extracting common classes to another project

res/drawable/timepicker_down_btn.xml

@@ -1,50 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright (c) 2009-2011. Created by serso aka se.solovyev.
-  ~ For more information, please, contact se.solovyev@gmail.com
-  ~ or visit http://se.solovyev.org
-  -->
-
-<!-- Copyright (C) 2008 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<selector xmlns:a="http://schemas.android.com/apk/res/android">
-
-    <item a:state_pressed="false"
-		  a:state_enabled="true"
-          a:state_focused="false"
-		  a:drawable="@drawable/timepicker_down_normal" />
-
-	<item a:state_pressed="true"
-		  a:state_enabled="true"
-          a:drawable="@drawable/timepicker_down_pressed" />
-
-	<item a:state_pressed="false"
-		  a:state_enabled="true"
-          a:state_focused="true"
-		  a:drawable="@drawable/timepicker_down_selected" />
-
-	<item a:state_pressed="false"
-		  a:state_enabled="false"
-          a:state_focused="false"
-		  a:drawable="@drawable/timepicker_down_disabled" />
-
-	<item a:state_pressed="false"
-		  a:state_enabled="false"
-          a:state_focused="true"
-		  a:drawable="@drawable/timepicker_down_disabled_focused" />
-
-</selector>

res/drawable/timepicker_input.xml

@@ -1,36 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (c) 2009-2011. Created by serso aka se.solovyev.
-  ~ For more information, please, contact se.solovyev@gmail.com
-  ~ or visit http://se.solovyev.org
-  -->
-
-<!-- Copyright (C) 2008 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <item android:state_pressed="false" android:state_enabled="true"
-          android:state_focused="false" android:drawable="@drawable/timepicker_input_normal" />
-    <item android:state_pressed="true" android:state_enabled="true"
-          android:drawable="@drawable/timepicker_input_pressed" />
-    <item android:state_pressed="false" android:state_enabled="true"
-          android:state_focused="true" android:drawable="@drawable/timepicker_input_selected" />
-    <item android:state_pressed="false" android:state_enabled="false"
-          android:state_focused="false" android:drawable="@drawable/timepicker_input_disabled" />
-    <item android:state_pressed="false" android:state_enabled="false"
-          android:state_focused="true" android:drawable="@drawable/timepicker_input_normal" />
-
-</selector>

res/drawable/timepicker_up_btn.xml

@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright (c) 2009-2011. Created by serso aka se.solovyev.
-  ~ For more information, please, contact se.solovyev@gmail.com
-  ~ or visit http://se.solovyev.org
-  -->
-
-<!-- Copyright (C) 2008 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-
-	<item android:state_pressed="false" android:state_enabled="true"
-		  android:state_focused="false" android:drawable="@drawable/timepicker_up_normal"/>
-	<item android:state_pressed="true" android:state_enabled="true"
-		  android:drawable="@drawable/timepicker_up_pressed"/>
-	<item android:state_pressed="false" android:state_enabled="true"
-		  android:state_focused="true" android:drawable="@drawable/timepicker_up_selected"/>
-	<item android:state_pressed="false" android:state_enabled="false"
-		  android:state_focused="false" android:drawable="@drawable/timepicker_up_disabled"/>
-	<item android:state_pressed="false" android:state_enabled="false"
-		  android:state_focused="true" android:drawable="@drawable/timepicker_up_disabled_focused"/>
-
-</selector>

res/values/attrs.xml

@@ -1,22 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-	<declare-styleable name="DirectionDragButton">
-		<attr name="textUp" format="string"/>
-		<attr name="textDown" format="string"/>
-		<attr name="textRight" format="string"/>
-		<attr name="textLeft" format="string"/>
-		<attr name="directionTextScale" format="string"/>
-		<attr name="directionTextAlpha" format="integer"/>
-	</declare-styleable>
-
-	<declare-styleable name="DragButton">
-		<attr name="hTextPosition" format="float"/>
-	</declare-styleable>
-
-	<declare-styleable name="NumberRangeSeekBar">
-		<attr name="boundaries" format="string"/>
-		<attr name="steps" format="integer"/>
-	</declare-styleable>
 
 	<attr name="digitButtonStyle" format="reference" />
 	<attr name="controlButtonStyle" format="reference" />

src/main/java/org/solovyev/android/AndroidUtils.java

@@ -1,207 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android;
-
-import android.app.Activity;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.os.Build;
-import android.util.Log;
-import android.view.Gravity;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TabHost;
-import android.widget.TextView;
-import com.google.ads.AdRequest;
-import com.google.ads.AdSize;
-import com.google.ads.AdView;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.List;
-
-/**
- * User: serso
- * Date: 12/21/11
- * Time: 11:54 PM
- */
-public final class AndroidUtils {
-
-	// not intended for instantiation
-	private AndroidUtils() {
-		throw new AssertionError();
-	}
-
-	public static void centerAndWrapTabsFor(@NotNull TabHost tabHost) {
-		if (allowCenterAndWrappingTabs()) {
-			int tabCount = tabHost.getTabWidget().getTabCount();
-			for (int i = 0; i < tabCount; i++) {
-				final View view = tabHost.getTabWidget().getChildTabViewAt(i);
-				if (view != null) {
-					if (view.getLayoutParams().height > 0) {
-						// reduce height of the tab
-						view.getLayoutParams().height *= 0.8;
-					}
-
-					//  get title text view
-					final View textView = view.findViewById(android.R.id.title);
-					if (textView instanceof TextView) {
-						// just in case check the type
-
-						// center text
-						((TextView) textView).setGravity(Gravity.CENTER);
-						// wrap text
-						((TextView) textView).setSingleLine(false);
-
-						// explicitly set layout parameters
-						textView.getLayoutParams().height = ViewGroup.LayoutParams.FILL_PARENT;
-						textView.getLayoutParams().width = ViewGroup.LayoutParams.WRAP_CONTENT;
-					}
-				}
-			}
-		}
-	}
-
-	private static boolean allowCenterAndWrappingTabs() {
-  		boolean result = true;
-
-		String deviceModel = Build.MODEL;
-		if (deviceModel != null) {
-			deviceModel = deviceModel.toUpperCase();
-			if (deviceModel.contains("M1") || deviceModel.contains("MIONE") || deviceModel.contains("MI-ONE")) {
-				// Xiaomi Phone MiOne => do not allow to center and wrap tabs
-				result = false;
-				Log.i(AndroidUtils.class.getName(), "Device model doesn't support center and wrap of tabs: " + Build.MODEL);
-			}
-		}
-
-		if (result) {
-			String buildId = Build.DISPLAY;
-			if (buildId != null) {
-				buildId = buildId.toUpperCase();
-				if (buildId.contains("MIUI")) {
-					// fix for MIUI ROM
-					result = false;
-					Log.i(AndroidUtils.class.getName(), "Device build doesn't support center and wrap of tabs: " + Build.DISPLAY);
-				}
-			}
-		}
-
-		return result;
-	}
-
-	public static void addTab(@NotNull Context context,
-							  @NotNull TabHost tabHost,
-							  @NotNull String tabId,
-							  int tabCaptionId,
-							  @NotNull Class<? extends Activity> activityClass) {
-
-		TabHost.TabSpec spec;
-
-		final Intent intent = new Intent().setClass(context, activityClass);
-
-		// Initialize a TabSpec for each tab and add it to the TabHost
-		spec = tabHost.newTabSpec(tabId).setIndicator(context.getString(tabCaptionId)).setContent(intent);
-
-		tabHost.addTab(spec);
-	}
-
-
-	/**
-	 * @param context		context
-	 * @param appPackageName - full name of the package of an app, 'com.example.app' for example.
-	 * @return version number we are currently in
-	 */
-	public static int getAppVersionCode(@NotNull Context context, @NotNull String appPackageName) {
-		try {
-			return context.getPackageManager().getPackageInfo(appPackageName, 0).versionCode;
-		} catch (PackageManager.NameNotFoundException e) {
-			// App not installed!
-		}
-		return -1;
-	}
-
-	@NotNull
-	public static AdView createAndInflateAdView(@NotNull Activity activity,
-												@NotNull String admobAccountId,
-												@Nullable ViewGroup parentView,
-												int layoutId,
-												@NotNull List<String> keywords) {
-		final ViewGroup layout = parentView != null ? parentView : (ViewGroup) activity.findViewById(layoutId);
-
-		// Create the adView
-		final AdView adView = new AdView(activity, AdSize.BANNER, admobAccountId);
-
-		// Add the adView to it
-		layout.addView(adView);
-
-		// Initiate a generic request to load it with an ad
-		final AdRequest adRequest = new AdRequest();
-
-		// todo serso: revert - only for tests
-		//adRequest.addTestDevice(AdRequest.TEST_EMULATOR);
-		//adRequest.addTestDevice("DB3C2F605A1296971898F0E60224A927");
-
-		for (String keyword : keywords) {
-			adRequest.addKeyword(keyword);
-		}
-		adView.loadAd(adRequest);
-
-		return adView;
-	}
-
-	public static <T> void processViewsOfType(@NotNull View view, @NotNull Class<T> clazz, @NotNull ViewProcessor<T> viewProcessor) {
-		processViewsOfType0(view, clazz, viewProcessor);
-	}
-
-	public static void processViews(@NotNull View view, @NotNull ViewProcessor<View> viewProcessor) {
-		processViewsOfType0(view, null, viewProcessor);
-	}
-
-	private static <T> void processViewsOfType0(@NotNull View view, @Nullable Class<T> clazz, @NotNull ViewProcessor<T> viewProcessor) {
-		if (view instanceof ViewGroup) {
-			final ViewGroup viewGroup = (ViewGroup) view;
-
-			if (clazz == null || ViewGroup.class.isAssignableFrom(clazz)) {
-				//noinspection unchecked
-				viewProcessor.process((T) viewGroup);
-			}
-
-			for (int index = 0; index < viewGroup.getChildCount(); index++) {
-				processViewsOfType0(viewGroup.getChildAt(index), clazz, viewProcessor);
-			}
-		} else if (clazz == null || view.getClass().isAssignableFrom(clazz)) {
-			//noinspection unchecked
-			viewProcessor.process((T) view);
-		}
-	}
-
-	public static interface ViewProcessor<V> {
-		void process(@NotNull V view);
-	}
-
-	public static void restartActivity(@NotNull Activity activity) {
-		final Intent intent = activity.getIntent();
-		/*
-		for compatibility with android_1.6_compatibility
-		overridePendingTransition(0, 0);
-		intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);*/
-
-		Log.d(activity.getClass().getName(), "Finishing current activity!");
-		activity.finish();
-
-		/*
-		for compatibility with android_1.6_compatibility
-
-		overridePendingTransition(0, 0);*/
-		Log.d(activity.getClass().getName(), "Starting new activity!");
-		activity.startActivity(intent);
-	}
-
-}
-

src/main/java/org/solovyev/android/ResourceCache.java

@@ -1,233 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android;
-
-import android.app.Activity;
-import android.content.Context;
-import android.content.res.Configuration;
-import android.content.res.Resources;
-import android.util.Log;
-import android.view.View;
-import android.widget.Button;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.android.view.widgets.DragButton;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.Modifier;
-import java.util.*;
-
-/**
- * User: serso
- * Date: 11/25/11
- * Time: 1:52 PM
- */
-public enum ResourceCache {
-
-	instance;
-
-	@NotNull
-	private static final Locale DEFAULT_LOCALE = Locale.ENGLISH;
-
-	// ids of drag buttons in R.class
-	private List<Integer> dragButtonIds = null;
-
-	// ids of buttons in R.class
-	private List<Integer> buttonIds = null;
-
-	// first map: key: language id, value: map of captions and translations
-	// second mal: key: caption id, value: translation
-	private final Map<String, Map<String, String>> captions = new HashMap<String, Map<String, String>>();
-
-	private Class<?> resourceClass;
-
-	private Context context;
-
-	@NotNull
-	private final NameToIdCache nameToIdCache = new NameToIdCache();
-
-	public List<Integer> getDragButtonIds() {
-		return dragButtonIds;
-	}
-
-	public List<Integer> getButtonIds() {
-		return buttonIds;
-	}
-
-	/**
-	 * Method load captions for default locale using android R class
-	 *
-	 * @param context	   STATIC CONTEXT
-	 * @param resourceClass class of captions in android (SUBCLASS of R class)
-	 */
-	public void initCaptions(@NotNull Context context, @NotNull Class<?> resourceClass) {
-		initCaptions(context, resourceClass, Locale.getDefault());
-	}
-
-	/**
-	 * Method load captions for specified locale using android R class
-	 *
-	 * @param context	   STATIC CONTEXT
-	 * @param resourceClass class of captions in android (SUBCLASS of R class)
-	 * @param locale		language to be used for translation
-	 */
-	public void initCaptions(@NotNull Context context, @NotNull Class<?> resourceClass, @NotNull Locale locale) {
-		assert this.resourceClass == null || this.resourceClass.equals(resourceClass);
-
-		this.context = context;
-		this.resourceClass = resourceClass;
-
-		if (!initialized(locale)) {
-			final Map<String, String> captionsByLanguage = new HashMap<String, String>();
-
-			final Locale defaultLocale = Locale.getDefault();
-
-			try {
-				if (!defaultLocale.getLanguage().equals(locale.getLanguage())) {
-					updateConfiguration(context, locale);
-				}
-
-				for (Field field : resourceClass.getDeclaredFields()) {
-					int modifiers = field.getModifiers();
-					if (Modifier.isFinal(modifiers) && Modifier.isStatic(modifiers)) {
-						try {
-							int captionId = field.getInt(resourceClass);
-							captionsByLanguage.put(field.getName(), context.getString(captionId));
-						} catch (IllegalAccessException e) {
-							Log.e(ResourceCache.class.getName(), e.getMessage());
-						} catch (Resources.NotFoundException e) {
-							Log.e(ResourceCache.class.getName(), "Caption with name " + field.getName() + " was not found for " + locale.getLanguage() + " language: " + e.getMessage());
-						}
-					}
-				}
-			} finally {
-				if (!defaultLocale.getLanguage().equals(locale.getLanguage())) {
-					updateConfiguration(context, defaultLocale);
-				}
-			}
-
-			captions.put(locale.getLanguage(), captionsByLanguage);
-		}
-	}
-
-	private static void updateConfiguration(@NotNull Context context, @NotNull Locale locale) {
-		Locale.setDefault(locale);
-		final Configuration config = new Configuration();
-		config.locale = locale;
-		context.getResources().updateConfiguration(config, context.getResources().getDisplayMetrics());
-	}
-
-	private boolean initialized(@NotNull Locale locale) {
-		return captions.containsKey(locale.getLanguage());
-	}
-
-	/**
-	 * @param captionId id of caption to be translated
-	 * @return translation by caption id in default language, null if no translation in default language present
-	 */
-	@Nullable
-	public String getCaption(@NotNull String captionId) {
-		return getCaption(captionId, Locale.getDefault());
-	}
-
-
-	/**
-	 * @param captionId id of caption to be translated
-	 * @param locale	language to be used for translation
-	 * @return translation by caption id in specified language, null if no translation in specified language present
-	 */
-	@Nullable
-	public String getCaption(@NotNull String captionId, @NotNull final Locale locale) {
-		Map<String, String> captionsByLanguage = captions.get(locale.getLanguage());
-		if (captionsByLanguage != null) {
-			return getCaption(captionsByLanguage, captionId, locale);
-		} else {
-			assert resourceClass != null && context != null;
-
-			initCaptions(context, resourceClass, locale);
-
-			captionsByLanguage = captions.get(locale.getLanguage());
-			if (captionsByLanguage != null) {
-				return getCaption(captionsByLanguage, captionId, locale);
-			}
-		}
-
-		return null;
-	}
-
-	@Nullable
-	private String getCaption(@NotNull Map<String, String> captionsByLanguage, @NotNull String captionId, @NotNull Locale locale) {
-		String result = captionsByLanguage.get(captionId);
-		if (result == null && !locale.getLanguage().equals(DEFAULT_LOCALE.getLanguage())) {
-			result = getCaption(captionId, DEFAULT_LOCALE);
-		}
-		return result;
-	}
-
-	public void init(@NotNull Class<?> resourceClass, @NotNull Activity activity) {
-		dragButtonIds = new ArrayList<Integer>();
-		buttonIds = new ArrayList<Integer>();
-
-		for (Field field : resourceClass.getDeclaredFields()) {
-			int modifiers = field.getModifiers();
-			if (Modifier.isFinal(modifiers) && Modifier.isStatic(modifiers)) {
-				try {
-					int viewId = field.getInt(resourceClass);
-					final View view = activity.findViewById(viewId);
-					if (view instanceof DragButton) {
-						dragButtonIds.add(viewId);
-					}
-					if (view instanceof Button) {
-						buttonIds.add(viewId);
-					}
-				} catch (IllegalAccessException e) {
-					Log.e(ResourceCache.class.getName(), e.getMessage());
-				}
-			}
-		}
-	}
-
-	@NotNull
-	public Map<String, Integer> getNameToIdCache(@NotNull Class<?> clazz) {
-		return this.nameToIdCache.getCache(clazz);
-	}
-
-	private static class NameToIdCache {
-
-		@NotNull
-		private final Map<Class<?>, Map<String, Integer>> caches = new HashMap<Class<?>, Map<String, Integer>>(3);
-
-		// not intended for instantiation
-		private NameToIdCache() {
-		}
-
-		@NotNull
-		public Map<String, Integer> getCache(@NotNull Class<?> clazz) {
-			Map<String, Integer> result = caches.get(clazz);
-
-			if (result == null) {
-				result = new HashMap<String, Integer>();
-
-				for (Field field : clazz.getDeclaredFields()) {
-					int modifiers = field.getModifiers();
-					if (Modifier.isFinal(modifiers) && Modifier.isStatic(modifiers)) {
-						try {
-							result.put(field.getName(), field.getInt(clazz));
-						} catch (IllegalAccessException e) {
-							Log.e(ResourceCache.class.getName(), e.getMessage());
-						}
-					}
-				}
-
-				caches.put(clazz, result);
-			}
-
-			return result;
-		}
-	}
-
-}

src/main/java/org/solovyev/android/calculator/CalculatorApplication.java

@@ -1,17 +1,8 @@
 package org.solovyev.android.calculator;
 
-import android.app.Activity;
-import android.content.Context;
-import android.util.Log;
-import android.view.ViewGroup;
-import com.google.ads.AdView;
 import net.robotmedia.billing.BillingController;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.android.AndroidUtils;
-
-import java.util.Collections;
-import java.util.List;
+import org.solovyev.android.ads.AdsController;
 
 /**
  * User: serso
@@ -37,53 +28,11 @@ public class CalculatorApplication extends android.app.Application {
 		return instance;
 	}
 
-	private static boolean isAdFreePurchased(@NotNull Context context) {
-		return BillingController.isPurchased(context.getApplicationContext(), AD_FREE_PRODUCT_ID);
-	}
-
-	private static boolean transactionsRestored = false;
-
-	public static boolean isAdFree(@NotNull Context context) {
-		// check if user already bought this product
-		boolean purchased = isAdFreePurchased(context);
-		if (!purchased && !transactionsRestored) {
-			// we must to restore all transactions done by user to guarantee that product was purchased or not
-			BillingController.restoreTransactions(context);
-
-			transactionsRestored = true;
-
-			// todo serso: may be call net.robotmedia.billing.BillingController.restoreTransactions() always before first check and get rid of second check
-			// check the billing one more time
-			purchased = isAdFreePurchased(context);
-		}
-		return purchased;
-	}
-
-	@Nullable
-	public static AdView inflateAd(@NotNull Activity activity) {
-		return inflateAd(activity, null, R.id.ad_parent_view);
-	}
-
-	@Nullable
-	public static AdView inflateAd(@NotNull Activity activity, @Nullable ViewGroup parentView, int parentViewId) {
-		AdView result = null;
-		if ( !isAdFree(activity) ) {
-			Log.d(activity.getClass().getName(), "Application is not ad free - inflating ad!");
-			final List<String> keywords = Collections.emptyList();
-			result = AndroidUtils.createAndInflateAdView(activity, ADMOB_USER_ID, parentView, parentViewId, keywords);
-		} else {
-			Log.d(activity.getClass().getName(), "Application is ad free - no ads!");
-		}
-
-		return result;
-	}
-
 	@Override
 	public void onCreate() {
 		super.onCreate();
 
-		//BillingController.setDebug(true);
-		BillingController.setConfiguration(new BillingController.IConfiguration() {
+		AdsController.getInstance().init(ADMOB_USER_ID, AD_FREE_PRODUCT_ID, new BillingController.IConfiguration() {
 
 			@Override
 			public byte[] getObfuscationSalt() {

src/main/java/org/solovyev/android/calculator/CalculatorDisplay.java

@@ -19,7 +19,6 @@ import org.solovyev.android.calculator.jscl.JsclOperation;
 import org.solovyev.android.calculator.model.CalculatorEngine;
 import org.solovyev.android.calculator.model.CalculatorParseException;
 import org.solovyev.android.calculator.model.TextProcessor;
-import org.solovyev.android.view.AMenuBuilder;
 import org.solovyev.android.view.AMenuItem;
 import org.solovyev.android.view.AutoResizeTextView;
 

src/main/java/org/solovyev/android/calculator/CalculatorPreferencesActivity.java

@@ -18,6 +18,7 @@ import net.robotmedia.billing.BillingRequest;
 import net.robotmedia.billing.IBillingObserver;
 import net.robotmedia.billing.model.Transaction;
 import org.solovyev.android.AndroidUtils;
+import org.solovyev.android.ads.AdsController;
 import org.solovyev.android.calculator.model.CalculatorEngine;
 import org.solovyev.android.view.widgets.VibratorContainer;
 
@@ -63,7 +64,7 @@ public class CalculatorPreferencesActivity extends PreferenceActivity implements
 	private void setAdFreeAction() {
 		final Preference adFreePreference = findPreference(CalculatorApplication.AD_FREE_P_KEY);
 
-		if (!CalculatorApplication.isAdFree(this)) {
+		if (!AdsController.getInstance().isAdFree(this)) {
 			Log.d(CalculatorPreferencesActivity.class.getName(), "Ad free is not purchased - enable preference!");
 
 			adFreePreference.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
@@ -76,7 +77,7 @@ public class CalculatorPreferencesActivity extends PreferenceActivity implements
 						new AlertDialog.Builder(CalculatorPreferencesActivity.this).setTitle(R.string.c_error).setMessage(R.string.c_billing_error).create().show();
 					} else {
 						Log.d(CalculatorPreferencesActivity.class.getName(), "Billing is supported - continue!");
-						if (!CalculatorApplication.isAdFree(CalculatorPreferencesActivity.this)) {
+						if (!AdsController.getInstance().isAdFree(CalculatorPreferencesActivity.this)) {
 							Log.d(CalculatorPreferencesActivity.class.getName(), "Item not purchased - try to purchase!");
 
 							// not purchased => purchasing

src/main/java/org/solovyev/android/calculator/CalculatorSecurity.java

@@ -20,6 +20,16 @@ public final class CalculatorSecurity {
 
 	@NotNull
 	public static String getPK() {
-		return "org.solovyev.android.calculator";
+		final StringBuilder result = new StringBuilder();
+
+		result.append("MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A");
+		result.append("MIIBCgKCAQEAquP2a7dEhTaJEQeXtSyreH5dCmTDOd");
+		result.append("dElCfg0ijOeB8JTxBiJTXLWnLA0kMaT/sRXswUaYI61YCQOoik82");
+		result.append("qrFH7W4+OFtiLb8WGX+YPEpQQ/IBZu9qm3xzS9Nolu79EBff0/CLa1FuT9RtjO");
+		result.append("iTW8Q0VP9meQdJEkfqJEyVCgHain+MGoQaRXI45EzkYmkz8TBx6X6aJF5NBAXnAWeyD0wPX1");
+		result.append("uedHH7+LgLcjnPVw82YjyJSzYnaaD2GX0Y7PGoFe6J5K4yJGGX5mih45pe2HWcG5lAkQhu1uX2hCcCBdF3");
+		result.append("W7paRq9mJvCsbn+BNTh9gq8QKui0ltmiWpa5U+/9L+FQIDAQAB");
+
+		return result.toString();
 	}
 }

src/main/java/org/solovyev/android/calculator/help/AbstractHelpActivity.java

@@ -10,7 +10,7 @@ import android.app.Activity;
 import android.os.Bundle;
 import com.google.ads.AdView;
 import org.jetbrains.annotations.Nullable;
-import org.solovyev.android.calculator.CalculatorApplication;
+import org.solovyev.android.ads.AdsController;
 
 /**
  * User: serso
@@ -35,7 +35,7 @@ public class AbstractHelpActivity extends Activity {
 		setContentView(layoutId);
 
 		// do not inflate ad in help (as some problems were encountered dut to ScrollView - no space for ad banner)
-		adView = CalculatorApplication.inflateAd(this);
+		adView = AdsController.getInstance().inflateAd(this);
 	}
 
 	@Override

src/main/java/org/solovyev/android/calculator/history/AbstractHistoryActivity.java

@@ -19,7 +19,7 @@ import android.widget.ListView;
 import com.google.ads.AdView;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.solovyev.android.calculator.CalculatorApplication;
+import org.solovyev.android.ads.AdsController;
 import org.solovyev.android.calculator.CalculatorModel;
 import org.solovyev.android.calculator.R;
 import org.solovyev.android.calculator.jscl.JsclOperation;
@@ -67,7 +67,7 @@ public abstract class AbstractHistoryActivity extends ListActivity {
 
 		setContentView(R.layout.history_activity);
 
-		adView = CalculatorApplication.inflateAd(this);
+		adView = AdsController.getInstance().inflateAd(this);
 
 		adapter = new HistoryArrayAdapter(this, getLayoutId(), R.id.history_item, new ArrayList<CalculatorHistoryState>());
 		setListAdapter(adapter);

src/main/java/org/solovyev/android/calculator/math/edit/AbstractMathEntityListActivity.java

@@ -18,7 +18,7 @@ import android.widget.*;
 import com.google.ads.AdView;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.solovyev.android.calculator.CalculatorApplication;
+import org.solovyev.android.ads.AdsController;
 import org.solovyev.android.calculator.CalculatorModel;
 import org.solovyev.android.calculator.R;
 import org.solovyev.android.calculator.model.AndroidMathRegistry;
@@ -90,7 +90,7 @@ public abstract class AbstractMathEntityListActivity<T extends MathEntity> exten
 
         setContentView(getLayoutId());
 
-		adView = CalculatorApplication.inflateAd(this);
+		adView = AdsController.getInstance().inflateAd(this);
 
 		final Intent intent = getIntent();
         if ( intent != null ) {

src/main/java/org/solovyev/android/msg/AndroidMessage.java

@@ -1,40 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.msg;
-
-import org.jetbrains.annotations.NotNull;
-import org.solovyev.android.ResourceCache;
-import org.solovyev.common.msg.AbstractMessage;
-import org.solovyev.common.msg.MessageType;
-
-import java.util.List;
-import java.util.Locale;
-
-/**
- * User: serso
- * Date: 10/18/11
- * Time: 11:57 PM
- */
-public class AndroidMessage extends AbstractMessage {
-
-	public AndroidMessage(@NotNull String messageCode,
-						  @NotNull MessageType messageType,
-						  @org.jetbrains.annotations.Nullable Object... arguments) {
-		super(messageCode, messageType, arguments);
-	}
-
-	public AndroidMessage(@NotNull String messageCode,
-						  @NotNull MessageType messageType,
-						  @NotNull List<?> arguments) {
-		super(messageCode, messageType, arguments);
-	}
-
-	@Override
-	protected String getMessagePattern(@NotNull Locale locale) {
-		return ResourceCache.instance.getCaption(getMessageCode());
-	}
-}

src/main/java/org/solovyev/android/view/AMenu.java

@@ -1,24 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view;
-
-import android.content.Context;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-/**
- * User: serso
- * Date: 12/18/11
- * Time: 1:30 PM
- */
-public interface AMenu<T extends AMenuItem<D>, D> {
-	@Nullable
-	T itemAt(int i);
-
-	@NotNull
-	CharSequence[] getMenuCaptions(@NotNull final Context context);
-}

src/main/java/org/solovyev/android/view/AMenuBuilder.java

@@ -1,60 +0,0 @@
-package org.solovyev.android.view;
-
-import android.app.AlertDialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * User: serso
- * Date: 12/19/11
- * Time: 10:54 AM
- */
-public class AMenuBuilder<T extends AMenuItem<D>, D>{
-
-	@NotNull
-	private final Context context;
-
-	@NotNull
-	private final AlertDialog.Builder menuBuilder;
-
-	@NotNull
-	private final AMenu<T, D> menu;
-
-	@NotNull
-	public static <T extends Enum & AMenuItem<D>, D> AMenuBuilder<T, D> newInstance(@NotNull Context context, @NotNull Class<T> enumClass) {
-		return new AMenuBuilder<T, D>(context, EnumMenu.<T, D>newInstance(enumClass));
-	}
-
-	@NotNull
-	public static <T extends AMenuItem<D>, D> AMenuBuilder<T, D> newInstance(@NotNull Context context, @NotNull AMenu<T, D> menu) {
-		return new AMenuBuilder<T, D>(context, menu);
-	}
-
-	private AMenuBuilder(@NotNull Context context, @NotNull AMenu<T, D> menu) {
-		this.context = context;
-		this.menuBuilder = new AlertDialog.Builder(context);
-		this.menu = menu;
-	}
-
-	@NotNull
-	public AlertDialog.Builder getMenuBuilder() {
-		return menuBuilder;
-	}
-
-	@NotNull
-	public AlertDialog create(@NotNull final D data) {
-		menuBuilder.setItems(menu.getMenuCaptions(context), new DialogInterface.OnClickListener() {
-			public void onClick(DialogInterface dialog, int item) {
-				final AMenuItem<D> menuItem = menu.itemAt(item);
-				if (menuItem != null) {
-					menuItem.doAction(data, context);
-				}
-			}
-		});
-
-		return menuBuilder.create();
-	}
-
-
-}

src/main/java/org/solovyev/android/view/AMenuItem.java

@@ -1,23 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view;
-
-import android.content.Context;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * User: serso
- * Date: 12/18/11
- * Time: 1:29 PM
- */
-public interface AMenuItem<T> {
-
-	@NotNull
-	String getCaption(@NotNull Context context);
-
-	void doAction(@NotNull T data, @NotNull Context context);
-}

src/main/java/org/solovyev/android/view/AutoResizeTextView.java

@@ -1,301 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view;
-
-import android.content.Context;
-import android.graphics.Canvas;
-import android.text.Editable;
-import android.text.Layout.Alignment;
-import android.text.StaticLayout;
-import android.text.TextPaint;
-import android.util.AttributeSet;
-import android.util.Log;
-import android.widget.TextView;
-
-/**
- * Text view that auto adjusts text size to fit within the view.
- * If the text size equals the minimum text size and still does not
- * fit, append with an ellipsis.
- *
- * @author Chase Colburn
- * @since Apr 4, 2011
- */
-public class AutoResizeTextView extends TextView {
-
-	// Minimum text size for this text view
-	public static final float MIN_TEXT_SIZE = 20;
-
-	private float initialTextSize = 100;
-
-	// Interface for resize notifications
-	public interface OnTextResizeListener {
-		public void onTextResize(TextView textView, float oldSize, float newSize);
-	}
-
-	// Off screen canvas for text size rendering
-	private static final Canvas textResizeCanvas = new Canvas();
-
-	// Our ellipse string
-	private static final String ellipsis = "...";
-
-	// Registered resize listener
-	private OnTextResizeListener textResizeListener;
-
-	// Flag for text and/or size changes to force a resize
-	private boolean needsResize = false;
-
-	// Lower bounds for text size
-	private float minTextSize = MIN_TEXT_SIZE;
-
-	// Text view line spacing multiplier
-	private float spacingMult = 1.0f;
-
-	// Text view additional line spacing
-	private float spacingAdd = 0.0f;
-
-	// Add ellipsis to text that overflows at the smallest text size
-	private boolean addEllipsis = true;
-
-	// Default constructor override
-	public AutoResizeTextView(Context context) {
-		this(context, null);
-	}
-
-	// Default constructor when inflating from XML file
-	public AutoResizeTextView(Context context, AttributeSet attrs) {
-		this(context, attrs, 0);
-	}
-
-	// Default constructor override
-	public AutoResizeTextView(Context context, AttributeSet attrs, int defStyle) {
-		super(context, attrs, defStyle);
-	}
-
-	/**
-	 * When text changes, set the force resize flag to true and resetInterpreter the text size.
-	 */
-	@Override
-	protected void onTextChanged(final CharSequence text, final int start, final int before, final int after) {
-		needsResize = true;
-		// Since this view may be reused, it is good to resetInterpreter the text size
-	}
-
-	/**
-	 * If the text view size changed, set the force resize flag to true
-	 */
-	@Override
-	protected void onSizeChanged(int w, int h, int oldw, int oldh) {
-		if (w != oldw || h != oldh) {
-			needsResize = true;
-		}
-	}
-
-	/**
-	 * Register listener to receive resize notifications
-	 *
-	 * @param listener
-	 */
-	public void setOnResizeListener(OnTextResizeListener listener) {
-		textResizeListener = listener;
-	}
-
-	/**
-	 * Override the set text size to update our internal reference values
-	 */
-	@Override
-	public void setTextSize(int unit, float size) {
-		super.setTextSize(unit, size);
-	}
-
-	/**
-	 * Override the set line spacing to update our internal reference values
-	 */
-	@Override
-	public void setLineSpacing(float add, float mult) {
-		super.setLineSpacing(add, mult);
-		spacingMult = mult;
-		spacingAdd = add;
-	}
-
-	/**
-	 * Set the lower text size limit and invalidate the view
-	 *
-	 * @param minTextSize
-	 */
-	public void setMinTextSize(float minTextSize) {
-		this.minTextSize = minTextSize;
-		requestLayout();
-		invalidate();
-	}
-
-	/**
-	 * Return lower text size limit
-	 *
-	 * @return
-	 */
-	public float getMinTextSize() {
-		return minTextSize;
-	}
-
-	/**
-	 * Set flag to add ellipsis to text that overflows at the smallest text size
-	 *
-	 * @param addEllipsis
-	 */
-	public void setAddEllipsis(boolean addEllipsis) {
-		this.addEllipsis = addEllipsis;
-	}
-
-	/**
-	 * Return flag to add ellipsis to text that overflows at the smallest text size
-	 *
-	 * @return
-	 */
-	public boolean getAddEllipsis() {
-		return addEllipsis;
-	}
-
-
-	/**
-	 * Resize text after measuring
-	 */
-	@Override
-	protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
-		if (changed || needsResize) {
-			int widthLimit = (right - left) - getCompoundPaddingLeft() - getCompoundPaddingRight();
-			int heightLimit = (bottom - top) - getCompoundPaddingBottom() - getCompoundPaddingTop();
-			resizeText(widthLimit, heightLimit, getText());
-		}
-		super.onLayout(changed, left, top, right, bottom);
-	}
-
-	/**
-	 * Resize the text size with default width and height
-	 */
-	public void resizeText() {
-		resizeText(getText());
-	}
-
-	private void resizeText(final CharSequence text) {
-		int heightLimit = getHeight() - getPaddingBottom() - getPaddingTop();
-		int widthLimit = getWidth() - getPaddingLeft() - getPaddingRight();
-		resizeText(widthLimit, heightLimit, text);
-	}
-
-	/**
-	 * Resize the text size with specified width and height
-	 *
-	 * @param width
-	 * @param height
-	 * @param text
-	 */
-	private void resizeText(int width, int height, CharSequence text) {
-		Log.d(this.getClass().getName(), "Resizing: w=" + width + ", h=" + height + ", text='" + text + "'");
-
-		// Do not resize if the view does not have dimensions or there is no text
-		if (text == null || text.length() == 0 || height <= 0 || width <= 0) {
-			return;
-		}
-
-		// Get the text view's paint object
-		TextPaint textPaint = getPaint();
-
-		// Store the current text size
-		float oldTextSize = textPaint.getTextSize();
-		Log.d(this.getClass().getName(), "Old text size: " + oldTextSize);
-
-		// If there is a max text size set, use the lesser of that and the default text size
-		// todo serso: +2 is a workaround => to be checked boundary constraints
-		float newTextSize = initialTextSize + 2;
-
-		int newTextHeight;
-
-		if (text instanceof Editable) {
-			((Editable) text).append("|");
-		}
-
-		try {
-
-			// Get the required text height
-			newTextHeight = getTextRect(text, textPaint, width, newTextSize);
-
-			logDimensions(newTextSize, newTextHeight);
-			if (newTextHeight > height) {
-				// Until we either fit within our text view or we had reached our min text size, incrementally try smaller sizes
-				while (newTextHeight > height) {
-					if (newTextSize <= minTextSize) {
-						break;
-					}
-					newTextSize = Math.max(newTextSize - 1, minTextSize);
-					newTextHeight = getTextRect(text, textPaint, width, newTextSize);
-					logDimensions(newTextSize, newTextHeight);
-				}
-			} else {
-				while (newTextHeight < height) {
-					if (newTextSize <= minTextSize) {
-						break;
-					}
-					newTextSize = Math.max(newTextSize + 1, minTextSize);
-					newTextHeight = getTextRect(text, textPaint, width, newTextSize);
-					logDimensions(newTextSize, newTextHeight);
-				}
-			}
-		} finally {
-			if (text instanceof Editable) {
-				((Editable) text).delete(text.length() - 1, text.length());
-			}
-		}
-
-		initialTextSize = newTextSize;
-
-		// If we had reached our minimum text size and still don't fit, append an ellipsis
-		if (addEllipsis && newTextSize == minTextSize && newTextHeight > height) {
-			// Draw using a static layout
-			StaticLayout layout = new StaticLayout(text, textPaint, width, Alignment.ALIGN_NORMAL, spacingMult, spacingAdd, false);
-			layout.draw(textResizeCanvas);
-			int lastLine = layout.getLineForVertical(height) - 1;
-			int start = layout.getLineStart(lastLine);
-			int end = layout.getLineEnd(lastLine);
-			float lineWidth = layout.getLineWidth(lastLine);
-			float ellipseWidth = textPaint.measureText(ellipsis);
-
-			// Trim characters off until we have enough room to draw the ellipsis
-			while (width < lineWidth + ellipseWidth) {
-				lineWidth = textPaint.measureText(text.subSequence(start, --end + 1).toString());
-			}
-			setText(text.subSequence(0, end) + ellipsis);
-
-		}
-
-		// Some devices try to auto adjust line spacing, so force default line spacing
-		// and invalidate the layout as a side effect
-		textPaint.setTextSize(newTextSize);
-		setLineSpacing(spacingAdd, spacingMult);
-
-		// Notify the listener if registered
-		if (textResizeListener != null) {
-			textResizeListener.onTextResize(this, oldTextSize, newTextSize);
-		}
-
-		// Reset force resize flag
-		needsResize = false;
-	}
-
-	private void logDimensions(float newTextSize, int newTextHeight) {
-		Log.d(this.getClass().getName(), "Nex text size: " + newTextSize + ", new text height: " + newTextHeight);
-	}
-
-	// Set the text size of the text paint object and use a static layout to render text off screen before measuring
-	private int getTextRect(CharSequence source, TextPaint paint, int width, float textSize) {
-		// Update the text paint object
-		paint.setTextSize(textSize);
-		// Draw using a static layout
-		StaticLayout layout = new StaticLayout(source, paint, width, Alignment.ALIGN_NORMAL, spacingMult, spacingAdd, false);
-		layout.draw(textResizeCanvas);
-		return layout.getHeight();
-	}
-}

src/main/java/org/solovyev/android/view/CursorControl.java

@@ -1,22 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- */
-
-package org.solovyev.android.view;
-
-/**
- * User: serso
- * Date: 9/13/11
- * Time: 12:08 AM
- */
-public interface CursorControl {
-
-	public void setCursorOnStart();
-
-	public void setCursorOnEnd();
-
-	public void moveCursorLeft();
-
-	public void moveCursorRight();
-}

src/main/java/org/solovyev/android/view/EnumMenu.java

@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view;
-
-import android.content.Context;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * User: serso
- * Date: 12/18/11
- * Time: 1:34 PM
- */
-public class EnumMenu<T extends Enum & AMenuItem<D>, D> implements AMenu<T, D> {
-
-	@NotNull
-	private final AMenu<T, D> menu;
-
-	@NotNull
-	public static <T extends Enum & AMenuItem<D>, D> AMenu<T, D> newInstance(@NotNull Class<T> enumClass) {
-		return new EnumMenu<T, D>(enumClass);
-	}
-
-	private EnumMenu(Class<T> enumClass) {
-		this.menu = MenuImpl.newInstance(enumClass.getEnumConstants());
-	}
-
-	@Override
-	public T itemAt(int i) {
-		return this.menu.itemAt(i);
-	}
-
-	@NotNull
-	@Override
-	public CharSequence[] getMenuCaptions(@NotNull final Context context) {
-		return this.menu.getMenuCaptions(context);
-	}
-}

src/main/java/org/solovyev/android/view/FontSizeAdjuster.java

@@ -1,19 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- */
-
-package org.solovyev.android.view;
-
-import android.widget.TextView;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * User: serso
- * Date: 9/10/11
- * Time: 7:21 PM
- */
-public interface FontSizeAdjuster {
-
-    void adjustFontSize(@NotNull TextView textView);
-}

src/main/java/org/solovyev/android/view/HistoryControl.java

@@ -1,24 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- */
-
-package org.solovyev.android.view;
-
-import org.jetbrains.annotations.NotNull;
-import org.solovyev.common.utils.history.HistoryAction;
-
-/**
- * User: serso
- * Date: 9/16/11
- * Time: 11:42 PM
- */
-public interface HistoryControl<T> {
-
-	void doHistoryAction(@NotNull HistoryAction historyAction);
-
-	void setCurrentHistoryState(@NotNull T editorHistoryState);
-
-	@NotNull
-	T getCurrentHistoryState();
-}

src/main/java/org/solovyev/android/view/LastTabSaver.java

@@ -1,58 +0,0 @@
-/*
- * Copyright (c) 2009-2012. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view;
-
-import android.app.TabActivity;
-import android.preference.PreferenceManager;
-import android.widget.TabHost;
-import org.jetbrains.annotations.NotNull;
-import org.solovyev.android.view.prefs.StringPreference;
-
-/**
- * User: serso
- * Date: 1/9/12
- * Time: 6:17 PM
- */
-public class LastTabSaver implements TabHost.OnTabChangeListener {
-
-	private static final String LAST_OPENED_TAB_P_KEY = "last_opened_tab_";
-
-	@NotNull
-	private final StringPreference<String> preference;
-
-	@NotNull
-	private final TabActivity tabActivity;
-
-	public LastTabSaver(@NotNull TabActivity tabActivity, @NotNull String defaultTabId) {
-		this.tabActivity = tabActivity;
-		this.preference = StringPreference.newInstance(getPreferenceKey(), defaultTabId);
-
-		final TabHost tabHost = tabActivity.getTabHost();
-		tabHost.setCurrentTabByTag(this.getLastOpenedTabId());
-		tabHost.setOnTabChangedListener(this);
-	}
-
-	public void destroy() {
-		final TabHost tabHost = tabActivity.getTabHost();
-		tabHost.setOnTabChangedListener(null);
-	}
-
-	@Override
-	public void onTabChanged(String tabId) {
-		preference.putPreference(PreferenceManager.getDefaultSharedPreferences(tabActivity), tabId);
-	}
-
-	@NotNull
-	public String getLastOpenedTabId() {
-		return preference.getPreference(PreferenceManager.getDefaultSharedPreferences(tabActivity));
-	}
-
-	@NotNull
-	private String getPreferenceKey() {
-		return LAST_OPENED_TAB_P_KEY + tabActivity.getClass().getName();
-	}
-}

src/main/java/org/solovyev/android/view/MenuImpl.java

@@ -1,63 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view;
-
-import android.content.Context;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.utils.CollectionsUtils;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
-* User: serso
-* Date: 12/18/11
-* Time: 1:31 PM
-*/
-public class MenuImpl<T extends AMenuItem<D>, D> implements AMenu<T, D> {
-
-	private final List<T> menuItems = new ArrayList<T>();
-
-	@NotNull
-	public static <T extends AMenuItem<D>, D> AMenu<T, D> newInstance(T... menuItems) {
-		return new MenuImpl<T, D>(menuItems);
-	}
-
-	@NotNull
-	public static <T extends AMenuItem<D>, D> AMenu<T, D> newInstance(@NotNull List<T> menuItems) {
-		return new MenuImpl<T, D>(menuItems);
-	}
-
-	private MenuImpl(T... menuItems) {
-		this(CollectionsUtils.asList(menuItems));
-	}
-
-	private MenuImpl(@NotNull List<T> menuItems) {
-		this.menuItems.addAll(menuItems);
-	}
-
-	@Override
-	@Nullable
-	public T itemAt(int i) {
-		if (i >= 0 && i < menuItems.size()) {
-			return menuItems.get(i);
-		} else {
-			return null;
-		}
-	}
-
-	@Override
-	@NotNull
-	public CharSequence[] getMenuCaptions(@NotNull final Context context) {
-		final CharSequence[] result = new CharSequence[this.menuItems.size()];
-		for (int i = 0; i < this.menuItems.size(); i++) {
-			result[i] = this.menuItems.get(i).getCaption(context);
-		}
-		return result;
-	}
-}

src/main/java/org/solovyev/android/view/prefs/AbstractDialogPreference.java

@@ -1,180 +0,0 @@
-package org.solovyev.android.view.prefs;
-
-import android.content.Context;
-import android.preference.DialogPreference;
-import android.util.AttributeSet;
-import android.util.Log;
-import android.view.Gravity;
-import android.view.View;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.utils.Mapper;
-
-/**
- * User: serso
- * Date: 9/19/11
- * Time: 3:17 PM
- */
-public abstract class AbstractDialogPreference<T> extends DialogPreference {
-
-	@NotNull
-	protected final static String localNameSpace = "http://schemas.android.com/apk/res/org.solovyev.android.calculator";
-
-	@NotNull
-	protected final static String androidns = "http://schemas.android.com/apk/res/android";
-
-	@Nullable
-	protected TextView valueTextView;
-
-	@Nullable
-	protected String valueText;
-
-	@NotNull
-	protected final Context context;
-
-	@Nullable
-	protected String description;
-
-	@Nullable
-	protected T value;
-
-	@Nullable
-	private T defaultValue;
-
-	@Nullable
-	private final String defaultStringValue;
-
-	private final boolean needValueText;
-
-	public AbstractDialogPreference(Context context, AttributeSet attrs, @Nullable String defaultStringValue, boolean needValueText) {
-		super(context, attrs);
-		this.context = context;
-		this.defaultStringValue = defaultStringValue;
-		this.needValueText = needValueText;
-
-		final String defaultValueFromAttrs = attrs.getAttributeValue(androidns, "defaultValue");
-		if ( defaultValueFromAttrs != null ) {
-			defaultValue = getMapper().parseValue(defaultValueFromAttrs);
-		} else if (defaultStringValue != null) {
-			defaultValue = getMapper().parseValue(defaultStringValue);
-		} else {
-			throw new IllegalArgumentException();
-		}
-
-		description = attrs.getAttributeValue(androidns, "dialogMessage");
-		valueText = attrs.getAttributeValue(androidns, "text");
-	}
-
-	@Override
-	@NotNull
-	protected final LinearLayout onCreateDialogView() {
-		if (shouldPersist()) {
-			value = getPersistedValue();
-		}
-
-		final LinearLayout result = new LinearLayout(context);
-		result.setOrientation(LinearLayout.VERTICAL);
-		result.setPadding(6, 6, 6, 6);
-
-		if (description != null) {
-			final TextView splashText = new TextView(context);
-			splashText.setText(description);
-			result.addView(splashText);
-		}
-
-		if (needValueText) {
-			valueTextView = new TextView(context);
-			valueTextView.setGravity(Gravity.CENTER_HORIZONTAL);
-			valueTextView.setTextSize(32);
-
-			final LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
-					LinearLayout.LayoutParams.FILL_PARENT,
-					LinearLayout.LayoutParams.WRAP_CONTENT);
-			result.addView(valueTextView, params);
-		}
-
-		final View v = createPreferenceView();
-		initPreferenceView(v);
-
-		final LinearLayout.LayoutParams params = getParams();
-		if (params != null) {
-			result.addView(v, params);
-		} else {
-			result.addView(v);
-		}
-
-		return result;
-	}
-
-	@Nullable
-	protected abstract LinearLayout.LayoutParams getParams();
-
-	@Override
-	protected void onSetInitialValue(boolean restore, Object defaultValue) {
-		super.onSetInitialValue(restore, defaultValue);
-
-		if (restore) {
-			if (shouldPersist()) {
-				value = getPersistedValue();
-			} else {
-				value = this.defaultValue;
-			}
-		} else {
-			value = (T) defaultValue;
-			if (shouldPersist()) {
-				persist(this.value);
-			}
-		}
-	}
-
-	@Override
-	protected void onBindDialogView(View v) {
-		super.onBindDialogView(v);
-		initPreferenceView(null);
-	}
-
-	@NotNull
-	protected abstract View createPreferenceView();
-
-	protected abstract void initPreferenceView(@Nullable View v);
-
-	@Nullable
-	private T getPersistedValue() {
-		String persistedString = getPersistedString(defaultStringValue);
-		if ( persistedString == defaultStringValue ) {
-			return defaultValue;
-		} else {
-			return getMapper().parseValue(persistedString);
-		}
-	}
-
-	protected void persistValue(@Nullable T value) {
-		Log.d(AbstractDialogPreference.class.getName(), "Trying to persist value: " + value);
-		this.value = value;
-
-		Log.d(AbstractDialogPreference.class.getName(), "android.preference.Preference.callChangeListener()");
-		if (callChangeListener(value)) {
-			Log.d(AbstractDialogPreference.class.getName(), "android.preference.Preference.shouldPersist()");
-			if (shouldPersist()) {
-				Log.d(AbstractDialogPreference.class.getName(), "org.solovyev.android.view.prefs.AbstractDialogPreference.persist()");
-				persist(value);
-			}
-		}
-	}
-
-	private void persist(@Nullable T value) {
-		if (value != null) {
-			final String toBePersistedString = getMapper().formatValue(value);
-			if (toBePersistedString != null) {
-				if ( callChangeListener(toBePersistedString) ) {
-					persistString(toBePersistedString);
-				}
-			}
-		}
-	}
-
-	@NotNull
-	protected abstract Mapper<T> getMapper();
-}

src/main/java/org/solovyev/android/view/prefs/AbstractPreference.java

@@ -1,66 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import android.content.SharedPreferences;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-/**
- * User: serso
- * Date: 12/25/11
- * Time: 12:23 PM
- */
-public abstract class AbstractPreference<T> implements Preference<T> {
-
-	@NotNull
-	private final String key;
-
-	private final T defaultValue;
-
-	protected AbstractPreference(@NotNull String key, @Nullable T defaultValue) {
-		this.key = key;
-		this.defaultValue = defaultValue;
-	}
-
-	@NotNull
-	public String getKey() {
-		return key;
-	}
-
-	public T getDefaultValue() {
-		return defaultValue;
-	}
-
-	@Override
-	public final T getPreference(@NotNull SharedPreferences preferences) {
-		if ( preferences.contains(this.key) ) {
-			return getPersistedValue(preferences);
-		} else {
-			return this.defaultValue;
-		}
-	}
-
-	@Nullable
-	protected abstract T getPersistedValue(@NotNull SharedPreferences preferences);
-
-	@Override
-	public void putDefault(@NotNull SharedPreferences preferences) {
-		putPreference(preferences, this.defaultValue);
-	}
-
-	@Override
-	public void putPreference(@NotNull SharedPreferences preferences, @Nullable T value) {
-		if (value != null) {
-			final SharedPreferences.Editor editor = preferences.edit();
-			putPersistedValue(editor, value);
-			editor.commit();
-		}
-	}
-
-	protected abstract void putPersistedValue(@NotNull SharedPreferences.Editor editor, @NotNull T value);
-}

src/main/java/org/solovyev/android/view/prefs/AdViewPreference.java

@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 2009-2012. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import android.app.Activity;
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.View;
-import android.view.ViewGroup;
-import com.google.ads.AdView;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.android.calculator.CalculatorApplication;
-
-/**
- * User: serso
- * Date: 1/14/12
- * Time: 6:47 PM
- */
-public class AdViewPreference extends android.preference.Preference {
-
-	@Nullable
-	private AdView adView;
-
-	public AdViewPreference(Context context) {
-		super(context, null);
-	}
-
-	public AdViewPreference(Context context, AttributeSet attrs) {
-		super(context, attrs);
-	}
-
-	@Override
-	protected View onCreateView(ViewGroup parent) {
-		// this will create the linear layout defined in ads_layout.xml
-		View view = super.onCreateView(parent);
-
-		if (view instanceof ViewGroup) {
-			adView = CalculatorApplication.inflateAd((Activity) getContext(), ((ViewGroup) view), 0);
-		}
-
-		return view;
-	}
-}

src/main/java/org/solovyev/android/view/prefs/BooleanPreference.java

@@ -1,33 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import android.content.SharedPreferences;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-/**
- * User: serso
- * Date: 12/25/11
- * Time: 1:06 PM
- */
-public class BooleanPreference extends AbstractPreference<Boolean>{
-
-	public BooleanPreference(@NotNull String key, @Nullable Boolean defaultValue) {
-		super(key, defaultValue);
-	}
-
-	@Override
-	protected Boolean getPersistedValue(@NotNull SharedPreferences preferences) {
-		return preferences.getBoolean(getKey(), false);
-	}
-
-	@Override
-	protected void putPersistedValue(@NotNull SharedPreferences.Editor editor, @NotNull Boolean value) {
-		editor.putBoolean(getKey(), value);
-	}
-}

src/main/java/org/solovyev/android/view/prefs/EnumMapper.java

@@ -1,40 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.utils.Mapper;
-
-/**
- * User: serso
- * Date: 12/25/11
- * Time: 1:17 PM
- */
-public class EnumMapper<T extends Enum> implements Mapper<T>{
-
-	@NotNull
-	private final Class<T> enumClass;
-
-	public EnumMapper(@NotNull Class<T> enumClass) {
-		this.enumClass = enumClass;
-	}
-
-	public static <T extends Enum> Mapper<T> newInstance(@NotNull Class<T> enumClass) {
-		return new EnumMapper<T>(enumClass);
-	}
-
-	@Override
-	public String formatValue(@Nullable T value) throws IllegalArgumentException {
-		return value == null ? null : value.name();
-	}
-
-	@Override
-	public T parseValue(@Nullable String value) throws IllegalArgumentException {
-		return value == null ? null : (T)Enum.valueOf(enumClass, value);
-	}
-}

src/main/java/org/solovyev/android/view/prefs/FloatPreference.java

@@ -1,33 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import android.content.SharedPreferences;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-/**
- * User: serso
- * Date: 12/25/11
- * Time: 1:08 PM
- */
-public class FloatPreference extends AbstractPreference<Float> {
-
-	protected FloatPreference(@NotNull String key, @Nullable Float defaultValue) {
-		super(key, defaultValue);
-	}
-
-	@Override
-	protected Float getPersistedValue(@NotNull SharedPreferences preferences) {
-		return preferences.getFloat(getKey(), -1f);
-	}
-
-	@Override
-	protected void putPersistedValue(@NotNull SharedPreferences.Editor editor, @NotNull Float value) {
-		editor.putFloat(getKey(), value);
-	}
-}

src/main/java/org/solovyev/android/view/prefs/FloatRangeSeekBarPreference.java

@@ -1,32 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import org.jetbrains.annotations.NotNull;
-import org.solovyev.common.NumberIntervalMapper;
-import org.solovyev.common.utils.Interval;
-import org.solovyev.common.utils.Mapper;
-
-/**
- * User: serso
- * Date: 9/21/11
- * Time: 11:41 PM
- */
-public class FloatRangeSeekBarPreference extends RangeSeekBarPreference<Float> {
-
-	public FloatRangeSeekBarPreference(@NotNull Context context, AttributeSet attrs) {
-		super(context, attrs);
-	}
-
-	@NotNull
-	@Override
-	protected Mapper<Interval<Float>> getMapper() {
-		return new NumberIntervalMapper<Float>(Float.class);
-	}
-}

src/main/java/org/solovyev/android/view/prefs/IntegerPreference.java

@@ -1,34 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import android.content.SharedPreferences;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-/**
- * User: serso
- * Date: 12/25/11
- * Time: 12:47 PM
- */
-public class IntegerPreference extends AbstractPreference<Integer> {
-
-	public IntegerPreference(@NotNull String key, @Nullable Integer defaultValue) {
-		super(key, defaultValue);
-	}
-
-	@Override
-	protected Integer getPersistedValue(@NotNull SharedPreferences preferences) {
-		return preferences.getInt(getKey(), -1);
-	}
-
-	@Override
-	protected void putPersistedValue(@NotNull SharedPreferences.Editor editor, @NotNull Integer value) {
-		editor.putInt(getKey(), value);
-	}
-
-}

src/main/java/org/solovyev/android/view/prefs/IntegerRangeSeekBarPreference.java

@@ -1,32 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import org.jetbrains.annotations.NotNull;
-import org.solovyev.common.NumberIntervalMapper;
-import org.solovyev.common.utils.*;
-
-/**
- * User: serso
- * Date: 9/19/11
- * Time: 10:04 PM
- */
-public class IntegerRangeSeekBarPreference extends RangeSeekBarPreference<Integer> {
-
-	public IntegerRangeSeekBarPreference(@NotNull Context context, AttributeSet attrs) {
-		super(context, attrs);
-	}
-
-	@NotNull
-	@Override
-	protected Mapper<Interval<Integer>> getMapper() {
-		return new NumberIntervalMapper<Integer>(Integer.class);
-	}
-
-}

src/main/java/org/solovyev/android/view/prefs/LongPreference.java

@@ -1,33 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import android.content.SharedPreferences;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-/**
- * User: serso
- * Date: 12/25/11
- * Time: 1:07 PM
- */
-public class LongPreference extends AbstractPreference<Long> {
-
-	protected LongPreference(@NotNull String key, @Nullable Long defaultValue) {
-		super(key, defaultValue);
-	}
-
-	@Override
-	protected Long getPersistedValue(@NotNull SharedPreferences preferences) {
-		return preferences.getLong(getKey(), -1);
-	}
-
-	@Override
-	protected void putPersistedValue(@NotNull SharedPreferences.Editor editor, @NotNull Long value) {
-		editor.putLong(getKey(), value);
-	}
-}

src/main/java/org/solovyev/android/view/prefs/NumberPickerDialogPreference.java

@@ -1,87 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.Gravity;
-import android.view.View;
-import android.widget.LinearLayout;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.android.view.widgets.NumberPicker;
-import org.solovyev.common.NumberIntervalMapper;
-import org.solovyev.common.utils.Interval;
-import org.solovyev.common.utils.Mapper;
-
-/**
- * User: serso
- * Date: 9/26/11
- * Time: 10:31 PM
- */
-public class NumberPickerDialogPreference extends AbstractDialogPreference<Integer> implements NumberPicker.OnChangedListener {
-
-	private static final NumberIntervalMapper<Integer> INTEGER_NUMBER_INTERVAL_MAPPER = new NumberIntervalMapper<Integer>(Integer.class);
-
-	@NotNull
-	private NumberPicker numberPicker;
-
-	@NotNull
-	private final Interval<Integer> boundaries;
-
-	public NumberPickerDialogPreference(Context context, AttributeSet attrs) {
-		super(context, attrs, null, false);
-
-		//noinspection ConstantConditions
-		boundaries = INTEGER_NUMBER_INTERVAL_MAPPER.parseValue(attrs.getAttributeValue(localNameSpace, "boundaries"));
-
-		createPreferenceView();
-	}
-
-	@Override
-	protected LinearLayout.LayoutParams getParams() {
-		final LinearLayout.LayoutParams result = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
-		result.gravity = Gravity.CENTER;
-
-		return result;
-	}
-
-	@NotNull
-	@Override
-	protected View createPreferenceView() {
-		this.numberPicker = new NumberPicker(context);
-		this.numberPicker.setOnChangeListener(this);
-
-		initPreferenceView(this.numberPicker);
-
-		return numberPicker;
-	}
-
-	@Override
-	protected void initPreferenceView(@Nullable View v) {
-
-		if ( v == null ) {
-			v = numberPicker;
-		}
-
-		if (value != null) {
-			((NumberPicker) v).setRange(boundaries.getLeftBorder(), boundaries.getRightBorder());
-			((NumberPicker) v).setCurrent(value);
-		}
-	}
-
-	@NotNull
-	@Override
-	protected Mapper<Integer> getMapper() {
-		return INTEGER_NUMBER_INTERVAL_MAPPER.getMapper();
-	}
-
-	@Override
-	public void onChanged(NumberPicker picker, int oldVal, int newVal) {
-		persistValue(newVal);
-	}
-}

src/main/java/org/solovyev/android/view/prefs/Preference.java

@@ -1,32 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import android.content.SharedPreferences;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-/**
- * User: serso
- * Date: 12/25/11
- * Time: 12:21 PM
- */
-
-public interface Preference<T> {
-
-	@NotNull
-	String getKey();
-
-	T getDefaultValue();
-
-	T getPreference(@NotNull SharedPreferences preferences);
-
-	 void putPreference(@NotNull SharedPreferences preferences, @Nullable T value);
-
-	void putDefault(@NotNull SharedPreferences preferences);
-
-}

src/main/java/org/solovyev/android/view/prefs/RangeSeekBarPreference.java

@@ -1,89 +0,0 @@
-package org.solovyev.android.view.prefs;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.View;
-import android.widget.LinearLayout;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.android.view.widgets.AbstractRangeSeekBar;
-import org.solovyev.android.view.widgets.NumberRangeSeekBar;
-import org.solovyev.common.utils.Interval;
-import org.solovyev.common.utils.NumberInterval;
-
-/**
- * User: serso
- * Date: 9/19/11
- * Time: 12:27 PM
- */
-public abstract class RangeSeekBarPreference<T extends Number> extends AbstractDialogPreference<Interval<T>> implements AbstractRangeSeekBar.OnRangeSeekBarChangeListener<T> {
-
-	@NotNull
-	private AbstractRangeSeekBar<T> rangeSeekBar;
-
-	@NotNull
-	private final Interval<T> boundaries;
-
-	private Integer steps;
-
-	public RangeSeekBarPreference(@NotNull Context context, AttributeSet attrs) {
-		super(context, attrs, null, true);
-
-		//noinspection ConstantConditions
-		boundaries = getMapper().parseValue(attrs.getAttributeValue(localNameSpace, "boundaries"));
-
-		steps = attrs.getAttributeIntValue(localNameSpace, "steps", -1);
-		if ( steps.equals(-1) ) {
-			steps = null;
-		}
-
-		assert steps == null || steps >= 2;
-
-		createPreferenceView();
-	}
-
-	@NotNull
-	protected View createPreferenceView() {
-		this.rangeSeekBar = new NumberRangeSeekBar<T>(boundaries, steps, context);
-		this.rangeSeekBar.setNotifyWhileDragging(true);
-		this.rangeSeekBar.setOnRangeSeekBarChangeListener(this);
-
-		initPreferenceView(this.rangeSeekBar);
-
-		return this.rangeSeekBar;
-	}
-
-	@Override
-	protected LinearLayout.LayoutParams getParams() {
-		return null;
-	}
-
-	@Override
-	protected void initPreferenceView(@Nullable View v) {
-		if ( v == null ) {
-			v = rangeSeekBar;
-		}
-
-		if (value != null) {
-			((AbstractRangeSeekBar<T>) v).setSelectedMinValue(value.getLeftBorder());
-			((AbstractRangeSeekBar<T>) v).setSelectedMaxValue(value.getRightBorder());
-			setValueText(value);
-		}
-	}
-
-	@Override
-	public void rangeSeekBarValuesChanged(T minValue, T maxValue, boolean changeComplete) {
-		final Interval<T> interval = new NumberInterval<T>(minValue, maxValue);
-
-		if (changeComplete) {
-			persistValue(interval);
-		}
-
-		setValueText(interval);
-	}
-
-	private void setValueText(@NotNull Interval<T> interval) {
-		final String t = String.valueOf(interval);
-		valueTextView.setText(valueText == null ? t : t.concat(valueText));
-	}
-}

src/main/java/org/solovyev/android/view/prefs/SeekBarPreference.java

@@ -1,106 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.View;
-import android.widget.LinearLayout;
-import android.widget.SeekBar;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.NumberMapper;
-import org.solovyev.common.utils.Mapper;
-
-
-/* The following code was written by Matthew Wiggins
- * and is released under the APACHE 2.0 license
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- */
-
-public class SeekBarPreference extends AbstractDialogPreference<Integer> implements SeekBar.OnSeekBarChangeListener {
-
-	@NotNull
-	private SeekBar seekBar;
-
-	private int max = 0;
-
-	public SeekBarPreference(Context context, AttributeSet attrs) {
-		super(context, attrs, "50", true);
-
-		max = attrs.getAttributeIntValue(androidns, "max", 100);
-	}
-
-	@Override
-	protected LinearLayout.LayoutParams getParams() {
-		return new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
-	}
-
-	@NotNull
-	@Override
-	protected View createPreferenceView() {
-		seekBar = new SeekBar(context);
-		seekBar.setOnSeekBarChangeListener(this);
-
-		return seekBar;
-	}
-
-	@Override
-	protected void initPreferenceView(@Nullable View v ) {
-		if ( v == null) {
-			v = seekBar;
-		}
-
-		((SeekBar) v).setMax(max);
-		if (value != null) {
-			((SeekBar) v).setProgress(value);
-			setValueText(value);
-		}
-	}
-
-	@NotNull
-	@Override
-	protected Mapper<Integer> getMapper() {
-		return new NumberMapper<Integer>(Integer.class);
-	}
-
-	public void onProgressChanged(SeekBar seek, int value, boolean fromTouch) {
-		setValueText(value);
-
-		persistValue(value);
-	}
-
-	private void setValueText(int value) {
-		String t = String.valueOf(value);
-		valueTextView.setText(valueText == null ? t : t.concat(valueText));
-	}
-
-	public void onStartTrackingTouch(SeekBar seek) {
-	}
-
-	public void onStopTrackingTouch(SeekBar seek) {
-	}
-
-	public void setMax(int max) {
-		this.max = max;
-	}
-
-	public int getMax() {
-		return max;
-	}
-
-	public void setProgress(int progress) {
-		value = progress;
-		seekBar.setProgress(progress);
-	}
-
-	public int getProgress() {
-		return value;
-	}
-}
-

src/main/java/org/solovyev/android/view/prefs/StringPreference.java

@@ -1,54 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.prefs;
-
-import android.content.SharedPreferences;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.utils.Mapper;
-import org.solovyev.common.utils.StringMapper;
-
-/**
- * User: serso
- * Date: 12/25/11
- * Time: 12:37 PM
- */
-public class StringPreference<T> extends AbstractPreference<T> {
-
-	@NotNull
-	private final Mapper<T> mapper;
-
-	public StringPreference(@NotNull String id, @Nullable T defaultValue, @NotNull Mapper<T> mapper) {
-		super(id, defaultValue);
-		this.mapper = mapper;
-	}
-
-	@NotNull
-	public static StringPreference<String> newInstance(@NotNull String id, @Nullable String defaultValue) {
-		return new StringPreference<String>(id, defaultValue, new StringMapper());
-	}
-
-	@NotNull
-	public static <T> StringPreference<T> newInstance(@NotNull String id, @Nullable String defaultValue, @NotNull Mapper<T> parser) {
-		return new StringPreference<T>(id, parser.parseValue(defaultValue), parser);
-	}
-
-	@NotNull
-	public static <T extends Enum> StringPreference<T> newInstance(@NotNull String id, @Nullable T defaultValue, @NotNull Class<T> enumType) {
-		return new StringPreference<T>(id, defaultValue, new EnumMapper<T>(enumType));
-	}
-
-	@Override
-	protected T getPersistedValue(@NotNull SharedPreferences preferences) {
-		return mapper.parseValue(preferences.getString(getKey(), null));
-	}
-
-	@Override
-	protected void putPersistedValue(@NotNull SharedPreferences.Editor editor, @NotNull T value) {
-		editor.putString(getKey(), mapper.formatValue(value));
-	}
-}

src/main/java/org/solovyev/android/view/widgets/AbstractRangeSeekBar.java

@@ -1,422 +0,0 @@
-package org.solovyev.android.view.widgets;
-
-/**
- * User: serso
- * Date: 9/19/11
- * Time: 3:30 PM
- */
-
-import android.content.Context;
-import android.graphics.*;
-import android.graphics.Paint.Style;
-import android.view.MotionEvent;
-import android.widget.ImageView;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.android.calculator.R;
-import org.solovyev.common.math.LinearNormalizer;
-import org.solovyev.common.math.Normalizer;
-import org.solovyev.common.utils.Converter;
-
-/**
- * Widget that lets users select a minimum and maximum value on a given numerical range.
- * The range value types can be one of Long, Double, Integer, Float, Short, Byte or BigDecimal.
- *
- * @param <T> The Number type of the range values. One of Long, Double, Integer, Float, Short, Byte or BigDecimal.
- * @author Stephan Tittel (stephan.tittel@kom.tu-darmstadt.de)
- */
-public abstract class AbstractRangeSeekBar<T> extends ImageView {
-
-	@NotNull
-	private final Paint paint = new Paint();
-
-	@NotNull
-	private final ThumbContainer tc;
-
-	@NotNull
-	private final Converter<T, Double> toDoubleConverter;
-
-	@NotNull
-	private final Converter<Double, T> toTConverter;
-
-	@NotNull
-	private final T minValue, maxValue;
-
-	@NotNull
-	private final Normalizer fromValueNormalizer;
-
-	@NotNull
-	private final Normalizer fromScreenNormalizer;
-
-	private double normalizedMinValue = 0d;
-
-	private double normalizedMaxValue = 1d;
-
-	private Thumb pressedThumb = null;
-
-	private boolean notifyWhileDragging = false;
-
-
-	@Nullable
-	private OnRangeSeekBarChangeListener<T> listener;
-
-	/**
-	 * Creates a new RangeSeekBar.
-	 *
-	 * @param minValue The minimum value of the selectable range.
-	 * @param maxValue The maximum value of the selectable range.
-	 * @param steps number of steps to be used in range seek bar
-	 * @param context parent context
-	 * @throws IllegalArgumentException Will be thrown if min/max value types are not one of Long, Double, Integer, Float, Short, Byte or BigDecimal.
-	 */
-	public AbstractRangeSeekBar(@NotNull T minValue, @NotNull T maxValue, @Nullable Integer steps, Context context) throws IllegalArgumentException {
-		super(context);
-
-		this.minValue = minValue;
-		this.maxValue = maxValue;
-
-		this.toDoubleConverter = getToDoubleConverter();
-		this.toTConverter = getToTConverter();
-
-		fromValueNormalizer = new LinearNormalizer(toDoubleConverter.convert(minValue), toDoubleConverter.convert(maxValue));
-
-		tc = new ThumbContainer();
-
-		fromScreenNormalizer = new Normalizer() {
-			@Override
-			public double normalize(double value) {
-				int width = getWidth();
-				if (width <= 2 * tc.padding) {
-					// prevent division by zero, simply return 0.
-					return 0d;
-				} else {
-					double result = (value - tc.padding) / (width - 2 * tc.padding);
-					return Math.min(1d, Math.max(0d, result));
-				}
-			}
-
-			@Override
-			public double denormalize(double value) {
-				return (float) (tc.padding + value * (getWidth() - 2 * tc.padding));
-			}
-		};
-	}
-
-	@NotNull
-	protected abstract Converter<Double,T> getToTConverter();
-
-	@NotNull
-	protected abstract Converter<T,Double> getToDoubleConverter();
-
-	public boolean isNotifyWhileDragging() {
-		return notifyWhileDragging;
-	}
-
-	/**
-	 * Should the widget notify the listener callback while the user is still dragging a thumb? Default is false.
-	 *
-	 * @param flag
-	 */
-	public void setNotifyWhileDragging(boolean flag) {
-		this.notifyWhileDragging = flag;
-	}
-
-	/**
-	 * Returns the absolute minimum value of the range that has been set at construction time.
-	 *
-	 * @return The absolute minimum value of the range.
-	 */
-	@NotNull
-	public T getMinValue() {
-		return minValue;
-	}
-
-	/**
-	 * Returns the absolute maximum value of the range that has been set at construction time.
-	 *
-	 * @return The absolute maximum value of the range.
-	 */
-	@NotNull
-	public T getMaxValue() {
-		return maxValue;
-	}
-
-	/**
-	 * Returns the currently selected min value.
-	 *
-	 * @return The currently selected min value.
-	 */
-	public T getSelectedMinValue() {
-		return denormalizeValue(normalizedMinValue);
-	}
-
-	/**
-	 * Sets the currently selected minimum value. The widget will be invalidated and redrawn.
-	 *
-	 * @param value The Number value to set the minimum value to. Will be clamped to given absolute minimum/maximum range.
-	 */
-	public void setSelectedMinValue(@NotNull T value) {
-		setNormalizedMinValue(normalizeValue(value));
-	}
-
-	/**
-	 * Returns the currently selected max value.
-	 *
-	 * @return The currently selected max value.
-	 */
-	public T getSelectedMaxValue() {
-		return denormalizeValue(normalizedMaxValue);
-	}
-
-	/**
-	 * Sets the currently selected maximum value. The widget will be invalidated and redrawn.
-	 *
-	 * @param value The Number value to set the maximum value to. Will be clamped to given absolute minimum/maximum range.
-	 */
-	public void setSelectedMaxValue(@NotNull T value) {
-		setNormalizedMaxValue(normalizeValue(value));
-	}
-
-	/**
-	 * Registers given listener callback to notify about changed selected values.
-	 *
-	 * @param listener The listener to notify about changed selected values.
-	 */
-	public void setOnRangeSeekBarChangeListener(OnRangeSeekBarChangeListener<T> listener) {
-		this.listener = listener;
-	}
-
-	/**
-	 * Handles thumb selection and movement. Notifies listener callback on certain events.
-	 */
-	@Override
-	public boolean onTouchEvent(MotionEvent event) {
-		switch (event.getAction()) {
-			case MotionEvent.ACTION_DOWN:
-				pressedThumb = evalPressedThumb(event.getX());
-				invalidate();
-				break;
-			case MotionEvent.ACTION_MOVE:
-				if (pressedThumb != null) {
-
-					double value = convertToNormalizedValue(event.getX());
-
-					if (Thumb.MIN.equals(pressedThumb)) {
-						setNormalizedMinValue(value);
-					} else if (Thumb.MAX.equals(pressedThumb)) {
-						setNormalizedMaxValue(value);
-					}
-
-					if (notifyWhileDragging && listener != null) {
-						listener.rangeSeekBarValuesChanged(getSelectedMinValue(), getSelectedMaxValue(), false);
-					}
-				}
-				break;
-			case MotionEvent.ACTION_UP:
-			case MotionEvent.ACTION_CANCEL:
-				pressedThumb = null;
-				invalidate();
-				if (listener != null) {
-					listener.rangeSeekBarValuesChanged(getSelectedMinValue(), getSelectedMaxValue(), true);
-				}
-				break;
-		}
-		return true;
-	}
-
-	/**
-	 * Ensures correct size of the widget.
-	 */
-	@Override
-	protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-		int width = 200;
-		if (MeasureSpec.UNSPECIFIED != MeasureSpec.getMode(widthMeasureSpec)) {
-			width = MeasureSpec.getSize(widthMeasureSpec);
-		}
-
-		int height = tc.thumbImage.getHeight();
-		if (MeasureSpec.UNSPECIFIED != MeasureSpec.getMode(heightMeasureSpec)) {
-			height = Math.min(height, MeasureSpec.getSize(heightMeasureSpec));
-		}
-		setMeasuredDimension(width, height);
-	}
-
-	/**
-	 * Draws the widget on the given canvas.
-	 */
-	@Override
-	protected void onDraw(Canvas canvas) {
-		super.onDraw(canvas);
-		// draw seek bar background line
-		final RectF rect = tc.getRect();
-		paint.setStyle(Style.FILL);
-		paint.setColor(Color.GRAY);
-		canvas.drawRect(rect, paint);
-		// draw seek bar active range line
-		rect.left = convertToScreenValue(normalizedMinValue);
-		rect.right = convertToScreenValue(normalizedMaxValue);
-		// orange color
-		paint.setColor(Color.rgb(255, 165, 0));
-		canvas.drawRect(rect, paint);
-
-		// draw minimum thumb
-		drawThumb(convertToScreenValue(normalizedMinValue), Thumb.MIN == pressedThumb, canvas);
-
-		// draw maximum thumb
-		drawThumb(convertToScreenValue(normalizedMaxValue), Thumb.MAX == pressedThumb, canvas);
-	}
-
-	/**
-	 * Draws the "normal" resp. "pressed" thumb image on specified x-coordinate.
-	 *
-	 * @param normalizedToScreenValue The x-coordinate in screen space where to draw the image.
-	 * @param pressed	 Is the thumb currently in "pressed" state?
-	 * @param canvas	  The canvas to draw upon.
-	 */
-	private void drawThumb(float normalizedToScreenValue, boolean pressed, Canvas canvas) {
-		canvas.drawBitmap(tc.getImage(pressed), normalizedToScreenValue - tc.thumbHalfWidth, (float) ((0.5f * getHeight()) - tc.thumbHalfHeight), paint);
-	}
-
-	/**
-	 * Decides which (if any) thumb is touched by the given x-coordinate.
-	 *
-	 * @param touchX The x-coordinate of a touch event in screen space.
-	 * @return The pressed thumb or null if none has been touched.
-	 */
-	private Thumb evalPressedThumb(float touchX) {
-		Thumb result = null;
-		boolean minThumbPressed = isInThumbRange(touchX, normalizedMinValue);
-		boolean maxThumbPressed = isInThumbRange(touchX, normalizedMaxValue);
-		if (minThumbPressed && maxThumbPressed) {
-			// if both thumbs are pressed (they lie on top of each other), choose the one with more room to drag. this avoids "stalling" the thumbs in a corner, not being able to drag them apart anymore.
-			result = (touchX / getWidth() > 0.5f) ? Thumb.MIN : Thumb.MAX;
-		} else if (minThumbPressed) {
-			result = Thumb.MIN;
-		} else if (maxThumbPressed) {
-			result = Thumb.MAX;
-		}
-		return result;
-	}
-
-	/**
-	 * Decides if given x-coordinate in screen space needs to be interpreted as "within" the normalized thumb x-coordinate.
-	 *
-	 * @param touchX			   The x-coordinate in screen space to check.
-	 * @param normalizedThumbValue The normalized x-coordinate of the thumb to check.
-	 * @return true if x-coordinate is in thumb range, false otherwise.
-	 */
-	private boolean isInThumbRange(float touchX, double normalizedThumbValue) {
-		return Math.abs(touchX - convertToScreenValue(normalizedThumbValue)) <= tc.thumbHalfWidth;
-	}
-
-	/**
-	 * Sets normalized min value to value so that 0 <= value <= normalized max value <= 1.
-	 * The View will get invalidated when calling this method.
-	 *
-	 * @param value The new normalized min value to set.
-	 */
-	private void setNormalizedMinValue(double value) {
-		normalizedMinValue = Math.max(0d, Math.min(1d, Math.min(value, normalizedMaxValue)));
-		invalidate();
-	}
-
-	/**
-	 * Sets normalized max value to value so that 0 <= normalized min value <= value <= 1.
-	 * The View will get invalidated when calling this method.
-	 *
-	 * @param value The new normalized max value to set.
-	 */
-	private void setNormalizedMaxValue(double value) {
-		normalizedMaxValue = Math.max(0d, Math.min(1d, Math.max(value, normalizedMinValue)));
-		invalidate();
-	}
-
-	/**
-	 * Converts a normalized value to a Number object in the value space between absolute minimum and maximum.
-	 *
-	 * @param normalized
-	 * @return
-	 */
-	@SuppressWarnings("unchecked")
-	private T denormalizeValue(double normalized) {
-		return toTConverter.convert(fromValueNormalizer.denormalize(normalized));
-	}
-
-	/**
-	 * Converts the given Number value to a normalized double.
-	 *
-	 * @param value The Number value to normalize.
-	 * @return The normalized double.
-	 */
-	private double normalizeValue(T value) {
-		return fromValueNormalizer.normalize(toDoubleConverter.convert(value));
-	}
-
-	/**
-	 * Converts a normalized value into screen space.
-	 *
-	 * @param normalizedValue The normalized value to convert.
-	 * @return The converted value in screen space.
-	 */
-	private float convertToScreenValue(double normalizedValue) {
-		return (float)this.fromScreenNormalizer.denormalize(normalizedValue);
-	}
-
-	/**
-	 * Converts screen space x-coordinates into normalized values.
-	 *
-	 * @param screenValue The x-coordinate in screen space to convert.
-	 * @return The normalized value.
-	 */
-	private double convertToNormalizedValue(float screenValue) {
-		return this.fromScreenNormalizer.normalize(screenValue);
-	}
-
-	/**
-	 * Callback listener interface to notify about changed range values.
-	 *
-	 * @param <T> The Number type the RangeSeekBar has been declared with.
-	 * @author Stephan Tittel (stephan.tittel@kom.tu-darmstadt.de)
-	 */
-	public interface OnRangeSeekBarChangeListener<T> {
-
-		void rangeSeekBarValuesChanged(T minValue, T maxValue, boolean changeComplete);
-
-	}
-
-	/**
-	 * Thumb constants (min and max).
-	 *
-	 * @author Stephan Tittel (stephan.tittel@kom.tu-darmstadt.de)
-	 */
-	private static enum Thumb {
-		MIN, MAX
-	}
-
-	private class ThumbContainer {
-		@NotNull
-		private final Bitmap thumbImage = BitmapFactory.decodeResource(getResources(), R.drawable.seek_thumb_normal);
-
-		@NotNull
-		private final Bitmap thumbPressedImage = BitmapFactory.decodeResource(getResources(), R.drawable.seek_thumb_pressed);
-
-		private final float thumbWidth = thumbImage.getWidth();
-
-		private final float thumbHalfWidth = 0.5f * thumbWidth;
-
-		private final float thumbHalfHeight = 0.5f * thumbImage.getHeight();
-
-		private final float lineHeight = 0.3f * thumbHalfHeight;
-
-		private final float padding = thumbHalfWidth;
-
-		public RectF getRect() {
-			return new RectF(padding, 0.5f * (getHeight() - lineHeight), getWidth() - padding, 0.5f * (getHeight() + lineHeight));
-		}
-
-		public Bitmap getImage(boolean pressed) {
-			return pressed ? thumbPressedImage : thumbImage;
-		}
-	}
-
-}

src/main/java/org/solovyev/android/view/widgets/ColorButton.java

@@ -1,254 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- */
-
-package org.solovyev.android.view.widgets;
-
-import android.content.Context;
-import android.content.res.Resources;
-import android.content.res.TypedArray;
-import android.graphics.Canvas;
-import android.graphics.Paint;
-import android.graphics.Paint.Style;
-import android.graphics.drawable.Drawable;
-import android.os.Vibrator;
-import android.preference.PreferenceManager;
-import android.util.AttributeSet;
-import android.view.MotionEvent;
-import android.widget.Button;
-import org.jetbrains.annotations.NotNull;
-import org.solovyev.android.calculator.R;
-import org.solovyev.android.view.FontSizeAdjuster;
-import org.solovyev.common.utils.CollectionsUtils;
-import org.solovyev.common.utils.Point2d;
-import org.solovyev.common.utils.StringUtils;
-
-import java.util.Arrays;
-
-/**
- * NOTE: copied from com.android.calculator2.ColorButton
- */
-
-/**
- * Button with click-animation effect.
- */
-public class ColorButton extends Button {
-
-	private int CLICK_FEEDBACK_COLOR;
-	private static final int CLICK_FEEDBACK_INTERVAL = 10;
-	private static final int CLICK_FEEDBACK_DURATION = 350;
-
-	@NotNull
-	private Point2d textPosition;
-	private long animationStart;
-	private Paint feedbackPaint;
-
-	@NotNull
-	private final OnClickListenerVibrator onClickListener;
-
-	private static final float H_TEXT_POSITION_DEFAULT_VALUE = 0.5f;
-
-	private float hTextPosition = H_TEXT_POSITION_DEFAULT_VALUE;
-
-	public ColorButton(Context context, AttributeSet attrs) {
-		this(context, attrs, true);
-	}
-
-	public ColorButton(Context context, AttributeSet attrs, boolean init) {
-		super(context, attrs);
-
-		TypedArray a = context.obtainStyledAttributes(attrs, org.solovyev.android.calculator.R.styleable.DragButton);
-		final int N = a.getIndexCount();
-		for (int i = 0; i < N; i++) {
-			int attr = a.getIndex(i);
-
-			final String attrValue = a.getString(attr);
-
-			if (!StringUtils.isEmpty(attrValue)) {
-				switch (attr) {
-					case R.styleable.DragButton_hTextPosition:
-						this.hTextPosition = Float.valueOf(attrValue);
-						break;
-				}
-			}
-		}
-		
-		if (init) {
-			init(context);
-		}
-
-		this.onClickListener = new OnClickListenerVibrator((Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE), PreferenceManager.getDefaultSharedPreferences(context));
-	}
-
-	protected void init(Context context) {
-		final Resources resources = getResources();
-
-		CLICK_FEEDBACK_COLOR = resources.getColor(org.solovyev.android.calculator.R.color.magic_flame);
-		feedbackPaint = new Paint();
-		feedbackPaint.setStyle(Style.STROKE);
-		feedbackPaint.setStrokeWidth(2);
-
-
-		if (CollectionsUtils.contains(getText().toString(), Arrays.asList("+", "-", "/", "×", "*", "∙"))) {
-			getPaint().setColor(resources.getColor(R.color.button_operator_text_color));
-		} else if (getText().toString().equals("C"))  {
-			getPaint().setColor(resources.getColor(R.color.button_ce_text_color));
-		} else {
-			getPaint().setColor(resources.getColor(R.color.button_text_color));
-		}
-
-		animationStart = -1;
-
-		if (context instanceof FontSizeAdjuster) {
-			((FontSizeAdjuster) context).adjustFontSize(this);
-		}
-	}
-
-
-	@Override
-	public void onSizeChanged(int w, int h, int oldW, int oldH) {
-		measureText();
-	}
-
-	protected void measureText() {
-		Paint paint = getPaint();
-
-		if (getText() != null) {
-			textPosition = getTextPosition(paint, getText());
-		}
-	}
-
-	private Point2d getTextPosition(@NotNull Paint paint, @NotNull CharSequence text) {
-		final Point2d result = new Point2d();
-
-		result.setX(hTextPosition * getWidth() - 0.5f * paint.measureText(text.toString()));
-
-		float height = getHeight() - paint.ascent() - paint.descent();
-
-		result.setY(height / 2);
-
-		return result;
-	}
-
-	@Override
-	protected void onTextChanged(CharSequence text, int start, int before, int after) {
-		measureText();
-	}
-
-	public void drawMagicFlame(int duration, Canvas canvas) {
-		int alpha = 255 - 255 * duration / CLICK_FEEDBACK_DURATION;
-		int color = CLICK_FEEDBACK_COLOR | (alpha << 24);
-
-		feedbackPaint.setColor(color);
-		canvas.drawRect(1, 1, getWidth() - 1, getHeight() - 1, feedbackPaint);
-	}
-
-	@Override
-	public void onDraw(Canvas canvas) {
-		if (animationStart != -1) {
-			int animDuration = (int) (System.currentTimeMillis() - animationStart);
-
-			if (animDuration >= CLICK_FEEDBACK_DURATION) {
-				animationStart = -1;
-			} else {
-				drawMagicFlame(animDuration, canvas);
-				postInvalidateDelayed(CLICK_FEEDBACK_INTERVAL);
-			}
-		}
-
-		CharSequence text = getText();
-		if (!StringUtils.isEmpty(text) && textPosition != null) {
-			canvas.drawText(text, 0, text.length(), textPosition.getX(), textPosition.getY(), getPaint());
-		} else {
-			drawDrawables(canvas);
-		}
-	}
-
-	private void drawDrawables(Canvas canvas) {
-		final int compoundPaddingLeft = getCompoundPaddingLeft();
-		final int compoundPaddingTop = getCompoundPaddingTop();
-		final int compoundPaddingRight = getCompoundPaddingRight();
-		final int compoundPaddingBottom = getCompoundPaddingBottom();
-
-		final int scrollX = getScrollX();
-		final int scrollY = getScrollY();
-
-		final int right = getRight();
-		final int left = getLeft();
-		final int bottom = getBottom();
-		final int top = getTop();
-
-		final Drawable[] drawables = getCompoundDrawables();
-		if (drawables != null) {
-
-			int vspace = bottom - top - compoundPaddingBottom - compoundPaddingTop;
-			int hspace = right - left - compoundPaddingRight - compoundPaddingLeft;
-
-			Drawable topDr = drawables[1];
-			// IMPORTANT: The coordinates computed are also used in invalidateDrawable()
-			// Make sure to update invalidateDrawable() when changing this code.
-			if (topDr != null) {
-				canvas.save();
-				canvas.translate(scrollX + compoundPaddingLeft + (hspace - topDr.getBounds().width()) / 2,
-						scrollY + getPaddingTop() + vspace / 2);
-				topDr.draw(canvas);
-				canvas.restore();
-			}
-		}
-	}
-
-	public void animateClickFeedback() {
-		animationStart = System.currentTimeMillis();
-		invalidate();
-	}
-
-	@Override
-	public boolean performClick() {
-		vibrate();
-		return super.performClick();
-	}
-
-	@Override
-	public boolean performLongClick() {
-		vibrate();
-		return super.performLongClick();
-	}
-
-	private void vibrate() {
-	 	this.onClickListener.onClick(this);
-	}
-
-	@Override
-	public boolean onTouchEvent(MotionEvent event) {
-		boolean result = super.onTouchEvent(event);
-
-		switch (event.getAction()) {
-			case MotionEvent.ACTION_UP:
-				animateClickFeedback();
-				break;
-			case MotionEvent.ACTION_DOWN:
-			case MotionEvent.ACTION_CANCEL:
-				invalidate();
-				break;
-		}
-
-		return result;
-	}
-}

src/main/java/org/solovyev/android/view/widgets/ColorPickerDialog.java

@@ -1,234 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.solovyev.android.view.widgets;
-
-import android.os.Bundle;
-import android.app.Dialog;
-import android.content.Context;
-import android.graphics.*;
-import android.view.MotionEvent;
-import android.view.View;
-
-public class ColorPickerDialog extends Dialog {
-
-	public interface OnColorChangedListener {
-		void colorChanged(int color);
-	}
-
-	private OnColorChangedListener mListener;
-	private int mInitialColor;
-
-	private static class ColorPickerView extends View {
-		private Paint mPaint;
-		private Paint mCenterPaint;
-		private final int[] mColors;
-		private OnColorChangedListener mListener;
-
-		ColorPickerView(Context c, OnColorChangedListener l, int color) {
-			super(c);
-			mListener = l;
-			mColors = new int[]{
-					0xFFFF0000, 0xFFFF00FF, 0xFF0000FF, 0xFF00FFFF, 0xFF00FF00,
-					0xFFFFFF00, 0xFFFF0000
-			};
-			Shader s = new SweepGradient(0, 0, mColors, null);
-
-			mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
-			mPaint.setShader(s);
-			mPaint.setStyle(Paint.Style.STROKE);
-			mPaint.setStrokeWidth(32);
-
-			mCenterPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
-			mCenterPaint.setColor(color);
-			mCenterPaint.setStrokeWidth(5);
-		}
-
-		private boolean mTrackingCenter;
-		private boolean mHighlightCenter;
-
-		@Override
-		protected void onDraw(Canvas canvas) {
-			float r = CENTER_X - mPaint.getStrokeWidth() * 0.5f;
-
-			canvas.translate(CENTER_X, CENTER_X);
-
-			canvas.drawOval(new RectF(-r, -r, r, r), mPaint);
-			canvas.drawCircle(0, 0, CENTER_RADIUS, mCenterPaint);
-
-			if (mTrackingCenter) {
-				int c = mCenterPaint.getColor();
-				mCenterPaint.setStyle(Paint.Style.STROKE);
-
-				if (mHighlightCenter) {
-					mCenterPaint.setAlpha(0xFF);
-				} else {
-					mCenterPaint.setAlpha(0x80);
-				}
-				canvas.drawCircle(0, 0,
-						CENTER_RADIUS + mCenterPaint.getStrokeWidth(),
-						mCenterPaint);
-
-				mCenterPaint.setStyle(Paint.Style.FILL);
-				mCenterPaint.setColor(c);
-			}
-		}
-
-		@Override
-		protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-			setMeasuredDimension(CENTER_X * 2, CENTER_Y * 2);
-		}
-
-		private static final int CENTER_X = 100;
-		private static final int CENTER_Y = 100;
-		private static final int CENTER_RADIUS = 32;
-
-		private int floatToByte(float x) {
-			int n = java.lang.Math.round(x);
-			return n;
-		}
-
-		private int pinToByte(int n) {
-			if (n < 0) {
-				n = 0;
-			} else if (n > 255) {
-				n = 255;
-			}
-			return n;
-		}
-
-		private int ave(int s, int d, float p) {
-			return s + java.lang.Math.round(p * (d - s));
-		}
-
-		private int interpColor(int colors[], float unit) {
-			if (unit <= 0) {
-				return colors[0];
-			}
-			if (unit >= 1) {
-				return colors[colors.length - 1];
-			}
-
-			float p = unit * (colors.length - 1);
-			int i = (int) p;
-			p -= i;
-
-			// now p is just the fractional part [0...1) and i is the index
-			int c0 = colors[i];
-			int c1 = colors[i + 1];
-			int a = ave(Color.alpha(c0), Color.alpha(c1), p);
-			int r = ave(Color.red(c0), Color.red(c1), p);
-			int g = ave(Color.green(c0), Color.green(c1), p);
-			int b = ave(Color.blue(c0), Color.blue(c1), p);
-
-			return Color.argb(a, r, g, b);
-		}
-
-		private int rotateColor(int color, float rad) {
-			float deg = rad * 180 / 3.1415927f;
-			int r = Color.red(color);
-			int g = Color.green(color);
-			int b = Color.blue(color);
-
-			ColorMatrix cm = new ColorMatrix();
-			ColorMatrix tmp = new ColorMatrix();
-
-			cm.setRGB2YUV();
-			tmp.setRotate(0, deg);
-			cm.postConcat(tmp);
-			tmp.setYUV2RGB();
-			cm.postConcat(tmp);
-
-			final float[] a = cm.getArray();
-
-			int ir = floatToByte(a[0] * r + a[1] * g + a[2] * b);
-			int ig = floatToByte(a[5] * r + a[6] * g + a[7] * b);
-			int ib = floatToByte(a[10] * r + a[11] * g + a[12] * b);
-
-			return Color.argb(Color.alpha(color), pinToByte(ir),
-					pinToByte(ig), pinToByte(ib));
-		}
-
-		private static final float PI = 3.1415926f;
-
-		@Override
-		public boolean onTouchEvent(MotionEvent event) {
-			float x = event.getX() - CENTER_X;
-			float y = event.getY() - CENTER_Y;
-			boolean inCenter = java.lang.Math.sqrt(x * x + y * y) <= CENTER_RADIUS;
-
-			switch (event.getAction()) {
-				case MotionEvent.ACTION_DOWN:
-					mTrackingCenter = inCenter;
-					if (inCenter) {
-						mHighlightCenter = true;
-						invalidate();
-						break;
-					}
-				case MotionEvent.ACTION_MOVE:
-					if (mTrackingCenter) {
-						if (mHighlightCenter != inCenter) {
-							mHighlightCenter = inCenter;
-							invalidate();
-						}
-					} else {
-						float angle = (float) java.lang.Math.atan2(y, x);
-						// need to turn angle [-PI ... PI] into unit [0....1]
-						float unit = angle / (2 * PI);
-						if (unit < 0) {
-							unit += 1;
-						}
-						mCenterPaint.setColor(interpColor(mColors, unit));
-						invalidate();
-					}
-					break;
-				case MotionEvent.ACTION_UP:
-					if (mTrackingCenter) {
-						if (inCenter) {
-							mListener.colorChanged(mCenterPaint.getColor());
-						}
-						mTrackingCenter = false;	// so we draw w/o halo
-						invalidate();
-					}
-					break;
-			}
-			return true;
-		}
-	}
-
-	public ColorPickerDialog(Context context,
-							 OnColorChangedListener listener,
-							 int initialColor) {
-		super(context);
-
-		mListener = listener;
-		mInitialColor = initialColor;
-	}
-
-	@Override
-	protected void onCreate(Bundle savedInstanceState) {
-		super.onCreate(savedInstanceState);
-		OnColorChangedListener l = new OnColorChangedListener() {
-			public void colorChanged(int color) {
-				mListener.colorChanged(color);
-				dismiss();
-			}
-		};
-
-		setContentView(new ColorPickerView(getContext(), l, mInitialColor));
-		setTitle("Pick a Color");
-	}
-}

src/main/java/org/solovyev/android/view/widgets/DirectionDragButton.java

@@ -1,395 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- */
-
-package org.solovyev.android.view.widgets;
-
-import android.content.Context;
-import android.content.res.Resources;
-import android.content.res.TypedArray;
-import android.graphics.Canvas;
-import android.graphics.Paint;
-import android.text.TextPaint;
-import android.util.AttributeSet;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.android.calculator.R;
-import org.solovyev.common.NumberParser;
-import org.solovyev.common.utils.CollectionsUtils;
-import org.solovyev.common.utils.Point2d;
-import org.solovyev.common.utils.StringUtils;
-
-import java.util.EnumMap;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-/**
- * User: serso
- * Date: 7/17/11
- * Time: 10:25 PM
- */
-public class DirectionDragButton extends DragButton {
-
-	@NotNull
-	private final static Float DEFAULT_DIRECTION_TEXT_SCALE_FLOAT = 0.33f;
-
-	@NotNull
-	private final static Integer DEFAULT_DIRECTION_TEXT_ALPHA = 140;
-
-	@NotNull
-	private final static String DEFAULT_DIRECTION_TEXT_SCALE = "0.33;0.33;0.33;0.33";
-
-	protected static class DirectionTextData {
-
-		@NotNull
-		private final GuiDragDirection guiDragDirection;
-
-		@NotNull
-		private String text;
-
-		@NotNull
-		private Point2d position;
-
-		@NotNull
-		private TextPaint paint;
-
-		@NotNull
-		private Float textScale;
-
-		private DirectionTextData(@NotNull GuiDragDirection guiDragDirection, @NotNull String text) {
-			this.guiDragDirection = guiDragDirection;
-			this.text = text;
-		}
-
-		@NotNull
-		public GuiDragDirection getGuiDragDirection() {
-			return guiDragDirection;
-		}
-
-		@NotNull
-		public String getText() {
-			return text;
-		}
-
-		public void setText(@NotNull String text) {
-			this.text = text;
-		}
-
-		@NotNull
-		public Point2d getPosition() {
-			return position;
-		}
-
-		public void setPosition(@NotNull Point2d position) {
-			this.position = position;
-		}
-
-		@NotNull
-		public TextPaint getPaint() {
-			return paint;
-		}
-
-		public void setPaint(@NotNull TextPaint paint) {
-			this.paint = paint;
-		}
-
-		@NotNull
-		public Float getTextScale() {
-			return textScale;
-		}
-
-		public void setTextScale(@NotNull Float textScale) {
-			this.textScale = textScale;
-		}
-	}
-
-	protected static enum GuiDragDirection {
-		up(DragDirection.up, 0) {
-			@Override
-			public int getAttributeId() {
-				return R.styleable.DirectionDragButton_textUp;
-			}
-
-			@NotNull
-			@Override
-			public Point2d getTextPosition(@NotNull Paint paint, @NotNull Paint basePaint, @NotNull CharSequence text, CharSequence baseText, int w, int h) {
-				return getUpDownTextPosition(paint, basePaint, text, baseText, 1, w, h);
-			}
-		},
-		down(DragDirection.down, 2) {
-			@Override
-			public int getAttributeId() {
-				return R.styleable.DirectionDragButton_textDown;
-			}
-
-			@NotNull
-			@Override
-			public Point2d getTextPosition(@NotNull Paint paint, @NotNull Paint basePaint, @NotNull CharSequence text, CharSequence baseText, int w, int h) {
-				return getUpDownTextPosition(paint, basePaint, text, baseText, -1, w, h);
-			}
-		},
-		left(DragDirection.left, 3) {
-			@Override
-			public int getAttributeId() {
-				return R.styleable.DirectionDragButton_textLeft;
-			}
-
-			@NotNull
-			@Override
-			public Point2d getTextPosition(@NotNull Paint paint, @NotNull Paint basePaint, @NotNull CharSequence text, CharSequence baseText, int w, int h) {
-				return getLeftRightTextPosition(paint, basePaint, text, baseText, w, h, true);
-			}
-		},
-
-		right(DragDirection.right, 1) {
-			@Override
-			public int getAttributeId() {
-				return R.styleable.DirectionDragButton_textRight;
-			}
-
-			@NotNull
-			@Override
-			public Point2d getTextPosition(@NotNull Paint paint, @NotNull Paint basePaint, @NotNull CharSequence text, CharSequence baseText, int w, int h) {
-				return getLeftRightTextPosition(paint, basePaint, text, baseText, w, h, false);
-			}
-		};
-
-		@NotNull
-		private final DragDirection dragDirection;
-
-		private final int attributePosition;
-
-		GuiDragDirection(@NotNull DragDirection dragDirection, int attributePosition) {
-			this.dragDirection = dragDirection;
-			this.attributePosition = attributePosition;
-		}
-
-		public abstract int getAttributeId();
-
-		public int getAttributePosition() {
-			return attributePosition;
-		}
-
-		@NotNull
-		public abstract Point2d getTextPosition(@NotNull Paint paint, @NotNull Paint basePaint, @NotNull CharSequence text, CharSequence baseText, int w, int h);
-
-		@NotNull
-		private static Point2d getLeftRightTextPosition(@NotNull Paint paint, @NotNull Paint basePaint, CharSequence text, @NotNull CharSequence baseText, int w, int h, boolean left) {
-			final Point2d result = new Point2d();
-
-			if (left) {
-				float width = paint.measureText(" ");
-				result.setX(width);
-			} else {
-				float width = paint.measureText(text.toString() + " ");
-				result.setX(w - width);
-			}
-
-			float selfHeight = paint.ascent() + paint.descent();
-
-			basePaint.measureText(StringUtils.getNotEmpty(baseText, "|"));
-
-			result.setY(h / 2 - selfHeight / 2);
-
-			return result;
-		}
-
-		@NotNull
-		private static Point2d getUpDownTextPosition(@NotNull Paint paint, @NotNull Paint basePaint, @NotNull CharSequence text, CharSequence baseText, float direction, int w, int h) {
-			final Point2d result = new Point2d();
-
-			float width = paint.measureText(text.toString() + " ");
-			result.setX(w - width);
-
-			float selfHeight = paint.ascent() + paint.descent();
-
-			basePaint.measureText(StringUtils.getNotEmpty(baseText, "|"));
-
-			if (direction < 0) {
-				result.setY(h / 2 + h / 3 - selfHeight / 2);
-			} else {
-				result.setY(h / 2 - h / 3 - selfHeight / 2);
-			}
-
-			return result;
-		}
-
-		@Nullable
-		public static GuiDragDirection valueOf(@NotNull DragDirection dragDirection) {
-			for (GuiDragDirection guiDragDirection : values()) {
-				if (guiDragDirection.dragDirection == dragDirection) {
-					return guiDragDirection;
-				}
-			}
-			return null;
-		}
-	}
-
-	@NotNull
-	private final Map<GuiDragDirection, DirectionTextData> directionTextDataMap = new EnumMap<GuiDragDirection, DirectionTextData>(GuiDragDirection.class);
-
-	@NotNull
-	private String directionTextScale = DEFAULT_DIRECTION_TEXT_SCALE;
-
-	@NotNull
-	private Integer directionTextAlpha = DEFAULT_DIRECTION_TEXT_ALPHA;
-
-	private boolean initialized = false;
-
-	public DirectionDragButton(Context context, @NotNull AttributeSet attrs) {
-		super(context, attrs, false);
-		init(context, attrs);
-	}
-
-	private void init(@NotNull Context context, @NotNull AttributeSet attrs) {
-
-		TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DirectionDragButton);
-
-		final int N = a.getIndexCount();
-		for (int i = 0; i < N; i++) {
-			int attr = a.getIndex(i);
-
-			final String attrValue = a.getString(attr);
-
-			if (!StringUtils.isEmpty(attrValue)) {
-				switch (attr) {
-					case R.styleable.DirectionDragButton_directionTextScale:
-						this.directionTextScale = attrValue;
-						break;
-					case R.styleable.DirectionDragButton_directionTextAlpha:
-						this.directionTextAlpha = Integer.valueOf(attrValue);
-						break;
-					default:
-						// try drag direction text
-						for (GuiDragDirection guiDragDirection : GuiDragDirection.values()) {
-							if (guiDragDirection.getAttributeId() == attr) {
-								this.directionTextDataMap.put(guiDragDirection, new DirectionTextData(guiDragDirection, attrValue));
-								break;
-							}
-						}
-						break;
-				}
-			}
-		}
-
-		for (Map.Entry<GuiDragDirection, Float> entry : getDirectionTextScales().entrySet()) {
-			final DirectionTextData dtd = directionTextDataMap.get(entry.getKey());
-			if (dtd != null) {
-				dtd.setTextScale(entry.getValue());
-			}
-		}
-
-		super.init(context);
-		initialized = true;
-	}
-
-	@Override
-	protected void measureText() {
-		super.measureText();
-
-		if (initialized) {
-			final Paint basePaint = getPaint();
-			final Resources resources = getResources();
-
-			for (DirectionTextData directionTextData : directionTextDataMap.values()) {
-				initDirectionTextPaint(basePaint, directionTextData, resources);
-
-				final GuiDragDirection guiDragDirection = directionTextData.getGuiDragDirection();
-				final String directionText = directionTextData.getText();
-				final Paint directionPaint = directionTextData.getPaint();
-
-				directionTextData.setPosition(guiDragDirection.getTextPosition(directionPaint, basePaint, directionText, getText(), getWidth(), getHeight()));
-			}
-		}
-	}
-
-
-	@Override
-	public void onDraw(Canvas canvas) {
-		super.onDraw(canvas);
-
-		final TextPaint paint = getPaint();
-		final Resources resources = getResources();
-
-		for (DirectionTextData directionTextData : directionTextDataMap.values()) {
-			initDirectionTextPaint(paint, directionTextData, resources);
-			final String text = directionTextData.getText();
-			final Point2d position = directionTextData.getPosition();
-			canvas.drawText(text, 0, text.length(), position.getX(), position.getY(), directionTextData.getPaint());
-		}
-	}
-
-	protected void initDirectionTextPaint(@NotNull Paint basePaint,
-										  @NotNull DirectionTextData directionTextData,
-										  @NotNull Resources resources) {
-		final TextPaint directionTextPaint = new TextPaint(basePaint);
-
-		directionTextPaint.setColor(resources.getColor(R.color.button_text_color));
-		directionTextPaint.setAlpha(getDirectionTextAlpha());
-		directionTextPaint.setTextSize(basePaint.getTextSize() * directionTextData.getTextScale());
-
-		directionTextData.setPaint(directionTextPaint);
-	}
-
-	protected int getDirectionTextAlpha() {
-		return directionTextAlpha;
-	}
-
-	@Nullable
-	public String getTextUp() {
-		return getText(GuiDragDirection.up);
-	}
-
-	@Nullable
-	public String getTextDown() {
-		return getText(GuiDragDirection.down);
-	}
-
-	@Nullable
-	public String getText(@NotNull DragDirection direction) {
-		final GuiDragDirection guiDragDirection = GuiDragDirection.valueOf(direction);
-		return guiDragDirection == null ? null : getText(guiDragDirection);
-	}
-
-	@Nullable
-	private String getText(@NotNull GuiDragDirection direction) {
-		DirectionTextData directionTextData = this.directionTextDataMap.get(direction);
-		return directionTextData == null ? null : directionTextData.getText();
-	}
-
-
-	@NotNull
-	public String getDirectionTextScale() {
-		return directionTextScale;
-	}
-
-	@NotNull
-	private Map<GuiDragDirection, Float> getDirectionTextScales() {
-		final List<Float> scales = CollectionsUtils.split(getDirectionTextScale(), ";", new NumberParser<Float>(Float.class));
-
-		final Map<GuiDragDirection, Float> result = new HashMap<GuiDragDirection, Float>();
-		for (GuiDragDirection guiDragDirection : GuiDragDirection.values()) {
-			result.put(guiDragDirection, DEFAULT_DIRECTION_TEXT_SCALE_FLOAT);
-		}
-
-		if (scales.size() == 1) {
-			final Float scale = scales.get(0);
-			for (Map.Entry<GuiDragDirection, Float> entry : result.entrySet()) {
-				entry.setValue(scale);
-			}
-		} else {
-			for (int i = 0; i < scales.size(); i++) {
-				for (GuiDragDirection guiDragDirection : GuiDragDirection.values()) {
-					if (guiDragDirection.getAttributePosition() == i) {
-						result.put(guiDragDirection, scales.get(i));
-					}
-				}
-			}
-		}
-
-		return result;
-	}
-
-}

src/main/java/org/solovyev/android/view/widgets/DragButton.java

@@ -1,108 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- */
-
-package org.solovyev.android.view.widgets;
-
-import android.content.Context;
-import android.os.Handler;
-import android.util.AttributeSet;
-import android.util.Log;
-import android.view.MotionEvent;
-import android.view.View;
-import android.widget.Button;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.utils.Point2d;
-
-public class DragButton extends ColorButton {
-
-	@Nullable
-	private Point2d startPoint = null;
-
-	@Nullable
-	private org.solovyev.android.view.widgets.OnDragListener onDragListener;
-
-	private final OnTouchListener onTouchListener = new OnTouchListenerImpl();
-
-	public DragButton(Context context, @NotNull AttributeSet attrs) {
-		this(context, attrs, true);
-	}
-
-	public DragButton(Context context, @NotNull AttributeSet attrs, boolean init) {
-		super(context, attrs, false);
-		setOnTouchListener(this.onTouchListener);
-		if ( init ) {
-			super.init(context);
-		}
-	}
-
-	public void setOnDragListener(@Nullable org.solovyev.android.view.widgets.OnDragListener onDragListener) {
-		this.onDragListener = onDragListener;
-	}
-
-	@Nullable
-	public org.solovyev.android.view.widgets.OnDragListener getOnDragListener() {
-		return onDragListener;
-	}
-
-	/**
-	 * OnTouchListener implementation that fires onDrag()
-	 * 
-	 * @author serso
-	 * 
-	 */
-	private final class OnTouchListenerImpl implements OnTouchListener {
-
-		@Override
-		public boolean onTouch(@NotNull View v, @NotNull MotionEvent event) {
-			// processing on touch event
-
-			// in order to avoid possible NPEs
-			final Point2d localStartPoint = startPoint;
-			final org.solovyev.android.view.widgets.OnDragListener localOnDragListener = onDragListener;
-
-			if (localOnDragListener != null) {
-				// only if onDrag() listener specified
-
-				Log.d(String.valueOf(getId()), "onTouch() for: " + getId() + " . Motion event: " + event);
-
-				switch (event.getAction()) {
-					case MotionEvent.ACTION_DOWN:
-						// start tracking: set start point
-						startPoint = new Point2d(event.getX(), event.getY());
-						break;
-
-					case MotionEvent.ACTION_UP:
-						// stop tracking
-
-						if (localStartPoint != null && localOnDragListener.onDrag(DragButton.this, new DragEvent(localStartPoint, event))) {
-							if (localOnDragListener.isSuppressOnClickEvent()) {
-								// prevent on click action
-								setPressed(false);
-
-								// sometimes setPressed(false); doesn't work so to prevent onClick action button disables
-								if (v instanceof Button) {
-									final Button button = (Button) v;
-
-									button.setEnabled(false);
-
-									new Handler().postDelayed(new Runnable() {
-										public void run() {
-											button.setEnabled(true);
-										}
-									}, 200);
-								}
-							}
-						}
-
-						startPoint = null;
-						break;
-				}
-			}
-
-			return false;
-		}
-	}
-}

src/main/java/org/solovyev/android/view/widgets/DragDirection.java

@@ -1,14 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- */
-
-package org.solovyev.android.view.widgets;
-
-public enum DragDirection {
-
-	up, 
-	down,
-	left,
-	right;
-}

src/main/java/org/solovyev/android/view/widgets/DragEvent.java

@@ -1,42 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- */
-
-package org.solovyev.android.view.widgets;
-
-import android.view.MotionEvent;
-import org.jetbrains.annotations.NotNull;
-import org.solovyev.common.utils.Point2d;
-
-public class DragEvent {
-
-	@NotNull
-	private final Point2d startPoint;
-
-	@NotNull
-	private final MotionEvent motionEvent;
-
-	public DragEvent(@NotNull Point2d startPoint, @NotNull MotionEvent motionEvent) {
-		this.startPoint = startPoint;
-		this.motionEvent = motionEvent;
-	}
-
-	/**
-	 * @return motion event started at start point
-	 */
-	@NotNull
-	public MotionEvent getMotionEvent() {
-		return motionEvent;
-	}
-
-	/**
-	 * @return start point of dragging
-	 */
-	@NotNull
-	public Point2d getStartPoint() {
-		return startPoint;
-	}
-
-
-}

src/main/java/org/solovyev/android/view/widgets/DragPreferencesChangeListener.java

@@ -1,20 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- */
-
-package org.solovyev.android.view.widgets;
-
-import org.jetbrains.annotations.NotNull;
-
-import java.util.EventListener;
-
-/**
- * User: serso
- * Date: 9/18/11
- * Time: 8:48 PM
- */
-public interface DragPreferencesChangeListener extends EventListener{
-
-	void onDragPreferencesChange(@NotNull SimpleOnDragListener.Preferences preferences );
-}

src/main/java/org/solovyev/android/view/widgets/HistoryDragProcessor.java

@@ -1,52 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- */
-
-package org.solovyev.android.view.widgets;
-
-import android.util.Log;
-import android.view.MotionEvent;
-import org.jetbrains.annotations.NotNull;
-import org.solovyev.android.view.HistoryControl;
-import org.solovyev.common.utils.Point2d;
-import org.solovyev.common.utils.StringUtils;
-import org.solovyev.common.utils.history.HistoryAction;
-
-/**
-* User: serso
-* Date: 9/16/11
-* Time: 11:36 PM
-*/
-public class HistoryDragProcessor<T> implements SimpleOnDragListener.DragProcessor {
-
-	@NotNull
-	private final HistoryControl<T> historyControl;
-
-	public HistoryDragProcessor(@NotNull HistoryControl<T> historyControl) {
-		this.historyControl = historyControl;
-	}
-
-	@Override
-	public boolean processDragEvent(@NotNull DragDirection dragDirection, @NotNull DragButton dragButton, @NotNull Point2d startPoint2d, @NotNull MotionEvent motionEvent) {
-		boolean result = false;
-
-		Log.d(String.valueOf(dragButton.getId()), "History on drag event start: " + dragDirection);
-
-		final HistoryAction historyAction;
-		if ( dragDirection == DragDirection.up ) {
-			historyAction = HistoryAction.undo;
-		} else if ( dragDirection == DragDirection.down ) {
-			historyAction = HistoryAction.redo;
-		} else {
-			historyAction = null;
-		}
-
-		if (historyAction != null) {
-			result = true;
-			historyControl.doHistoryAction(historyAction);
-		}
-
-		return result;
-	}
-}

src/main/java/org/solovyev/android/view/widgets/NumberPicker.java

@@ -1,538 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.widgets;
-
-/**
- * User: serso
- * Date: 9/18/11
- * Time: 10:03 PM
- */
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-import android.content.Context;
-import android.os.Handler;
-import android.text.InputFilter;
-import android.text.InputType;
-import android.text.Spanned;
-import android.text.method.NumberKeyListener;
-import android.util.AttributeSet;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.EditText;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-import org.solovyev.android.calculator.R;
-
-/**
- * A view for selecting a number
- *
- * For a dialog using this view, see {@link android.app.TimePickerDialog}.
- * @hide
- */
-public class NumberPicker extends LinearLayout {
-
-    /**
-     * The callback interface used to indicate the number value has been adjusted.
-     */
-    public interface OnChangedListener {
-        /**
-         * @param picker The NumberPicker associated with this listener.
-         * @param oldVal The previous value.
-         * @param newVal The new value.
-         */
-        void onChanged(NumberPicker picker, int oldVal, int newVal);
-    }
-
-    /**
-     * Interface used to format the number into a string for presentation
-     */
-    public interface Formatter {
-        String toString(int value);
-    }
-
-    /*
-     * Use a custom NumberPicker formatting callback to use two-digit
-     * minutes strings like "01".  Keeping a static formatter etc. is the
-     * most efficient way to do this; it avoids creating temporary objects
-     * on every call to format().
-     */
-    public static final NumberPicker.Formatter TWO_DIGIT_FORMATTER =
-            new NumberPicker.Formatter() {
-                final StringBuilder mBuilder = new StringBuilder();
-                final java.util.Formatter mFmt = new java.util.Formatter(
-                        mBuilder, java.util.Locale.US);
-                final Object[] mArgs = new Object[1];
-                public String toString(int value) {
-                    mArgs[0] = value;
-                    mBuilder.delete(0, mBuilder.length());
-                    mFmt.format("%02d", mArgs);
-                    return mFmt.toString();
-                }
-        };
-
-    private final Handler mHandler;
-    private final Runnable mRunnable = new Runnable() {
-        public void run() {
-            if (mIncrement) {
-                changeCurrent(mCurrent + 1);
-                mHandler.postDelayed(this, mSpeed);
-            } else if (mDecrement) {
-                changeCurrent(mCurrent - 1);
-                mHandler.postDelayed(this, mSpeed);
-            }
-        }
-    };
-
-    private final EditText mText;
-    private final InputFilter mNumberInputFilter;
-
-    private String[] mDisplayedValues;
-
-    /**
-     * Lower value of the range of numbers allowed for the NumberPicker
-     */
-    private int mStart;
-
-    /**
-     * Upper value of the range of numbers allowed for the NumberPicker
-     */
-    private int mEnd;
-
-    /**
-     * Current value of this NumberPicker
-     */
-    private int mCurrent;
-
-    /**
-     * Previous value of this NumberPicker.
-     */
-    private int mPrevious;
-    private OnChangedListener mListener;
-    private Formatter mFormatter;
-    private long mSpeed = 300;
-
-    private boolean mIncrement;
-    private boolean mDecrement;
-
-    /**
-     * Create a new number picker
-     * @param context the application environment
-     */
-    public NumberPicker(Context context) {
-        this(context, null);
-    }
-
-    /**
-     * Create a new number picker
-     * @param context the application environment
-     * @param attrs a collection of attributes
-     */
-    public NumberPicker(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        setOrientation(VERTICAL);
-        LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-        inflater.inflate(R.layout.number_picker, this, true);
-        mHandler = new Handler();
-
-        OnClickListener clickListener = new OnClickListener() {
-            public void onClick(View v) {
-                validateInput(mText);
-                if (!mText.hasFocus()) mText.requestFocus();
-
-                // now perform the increment/decrement
-                if (R.id.increment == v.getId()) {
-                    changeCurrent(mCurrent + 1);
-                } else if (R.id.decrement == v.getId()) {
-                    changeCurrent(mCurrent - 1);
-                }
-            }
-        };
-
-        OnFocusChangeListener focusListener = new OnFocusChangeListener() {
-            public void onFocusChange(View v, boolean hasFocus) {
-
-                /* When focus is lost check that the text field
-                 * has valid values.
-                 */
-                if (!hasFocus) {
-                    validateInput(v);
-                }
-            }
-        };
-
-        OnLongClickListener longClickListener = new OnLongClickListener() {
-            /**
-             * We start the long click here but rely on the {@link NumberPickerButton}
-             * to inform us when the long click has ended.
-             */
-            public boolean onLongClick(View v) {
-                /* The text view may still have focus so clear it's focus which will
-                 * trigger the on focus changed and any typed values to be pulled.
-                 */
-                mText.clearFocus();
-
-                if (R.id.increment == v.getId()) {
-                    mIncrement = true;
-                    mHandler.post(mRunnable);
-                } else if (R.id.decrement == v.getId()) {
-                    mDecrement = true;
-                    mHandler.post(mRunnable);
-                }
-                return true;
-            }
-        };
-
-        InputFilter inputFilter = new NumberPickerInputFilter();
-        mNumberInputFilter = new NumberRangeKeyListener();
-        mIncrementButton = (NumberPickerButton) findViewById(R.id.increment);
-        mIncrementButton.setOnClickListener(clickListener);
-        mIncrementButton.setOnLongClickListener(longClickListener);
-        mIncrementButton.setNumberPicker(this);
-
-        mDecrementButton = (NumberPickerButton) findViewById(R.id.decrement);
-        mDecrementButton.setOnClickListener(clickListener);
-        mDecrementButton.setOnLongClickListener(longClickListener);
-        mDecrementButton.setNumberPicker(this);
-
-        mText = (EditText) findViewById(R.id.timepicker_input);
-        mText.setOnFocusChangeListener(focusListener);
-        mText.setFilters(new InputFilter[] {inputFilter});
-        mText.setRawInputType(InputType.TYPE_CLASS_NUMBER);
-
-        if (!isEnabled()) {
-            setEnabled(false);
-        }
-    }
-
-    /**
-     * Set the enabled state of this view. The interpretation of the enabled
-     * state varies by subclass.
-     *
-     * @param enabled True if this view is enabled, false otherwise.
-     */
-    @Override
-    public void setEnabled(boolean enabled) {
-        super.setEnabled(enabled);
-        mIncrementButton.setEnabled(enabled);
-        mDecrementButton.setEnabled(enabled);
-        mText.setEnabled(enabled);
-    }
-
-    /**
-     * Set the callback that indicates the number has been adjusted by the user.
-     * @param listener the callback, should not be null.
-     */
-    public void setOnChangeListener(OnChangedListener listener) {
-        mListener = listener;
-    }
-
-    /**
-     * Set the formatter that will be used to format the number for presentation
-     * @param formatter the formatter object.  If formatter is null, String.valueOf()
-     * will be used
-     */
-    public void setFormatter(Formatter formatter) {
-        mFormatter = formatter;
-    }
-
-    /**
-     * Set the range of numbers allowed for the number picker. The current
-     * value will be automatically set to the start.
-     *
-     * @param start the start of the range (inclusive)
-     * @param end the end of the range (inclusive)
-     */
-    public void setRange(int start, int end) {
-        setRange(start, end, null/*displayedValues*/);
-    }
-
-    /**
-     * Set the range of numbers allowed for the number picker. The current
-     * value will be automatically set to the start. Also provide a mapping
-     * for values used to display to the user.
-     *
-     * @param start the start of the range (inclusive)
-     * @param end the end of the range (inclusive)
-     * @param displayedValues the values displayed to the user.
-     */
-    public void setRange(int start, int end, String[] displayedValues) {
-        mDisplayedValues = displayedValues;
-        mStart = start;
-        mEnd = end;
-        mCurrent = start;
-        updateView();
-
-        if (displayedValues != null) {
-            // Allow text entry rather than strictly numeric entry.
-            mText.setRawInputType(InputType.TYPE_CLASS_TEXT/* |
-                    InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS*/);
-        }
-    }
-
-    /**
-     * Set the current value for the number picker.
-     *
-     * @param current the current value the start of the range (inclusive)
-     * @throws IllegalArgumentException when current is not within the range
-     *         of of the number picker
-     */
-    public void setCurrent(int current) {
-        if (current < mStart || current > mEnd) {
-            throw new IllegalArgumentException(
-                    "current should be >= start and <= end");
-        }
-        mCurrent = current;
-        updateView();
-    }
-
-    /**
-     * Sets the speed at which the numbers will scroll when the +/-
-     * buttons are longpressed
-     *
-     * @param speed The speed (in milliseconds) at which the numbers will scroll
-     * default 300ms
-     */
-    public void setSpeed(long speed) {
-        mSpeed = speed;
-    }
-
-    private String formatNumber(int value) {
-        return (mFormatter != null)
-                ? mFormatter.toString(value)
-                : String.valueOf(value);
-    }
-
-    /**
-     * Sets the current value of this NumberPicker, and sets mPrevious to the previous
-     * value.  If current is greater than mEnd less than mStart, the value of mCurrent
-     * is wrapped around.
-     *
-     * Subclasses can override this to change the wrapping behavior
-     *
-     * @param current the new value of the NumberPicker
-     */
-    protected void changeCurrent(int current) {
-        // Wrap around the values if we go past the start or end
-        if (current > mEnd) {
-            current = mStart;
-        } else if (current < mStart) {
-            current = mEnd;
-        }
-        mPrevious = mCurrent;
-        mCurrent = current;
-        notifyChange();
-        updateView();
-    }
-
-    /**
-     * Notifies the listener, if registered, of a change of the value of this
-     * NumberPicker.
-     */
-    private void notifyChange() {
-        if (mListener != null) {
-            mListener.onChanged(this, mPrevious, mCurrent);
-        }
-    }
-
-    /**
-     * Updates the view of this NumberPicker.  If displayValues were specified
-     * in {@link #setRange}, the string corresponding to the index specified by
-     * the current value will be returned.  Otherwise, the formatter specified
-     * in will be used to format the number.
-     */
-    private void updateView() {
-        /* If we don't have displayed values then use the
-         * current number else find the correct value in the
-         * displayed values for the current number.
-         */
-        if (mDisplayedValues == null) {
-            mText.setText(formatNumber(mCurrent));
-        } else {
-            mText.setText(mDisplayedValues[mCurrent - mStart]);
-        }
-        mText.setSelection(mText.getText().length());
-    }
-
-    private void validateCurrentView(CharSequence str) {
-        int val = getSelectedPos(str.toString());
-        if ((val >= mStart) && (val <= mEnd)) {
-            if (mCurrent != val) {
-                mPrevious = mCurrent;
-                mCurrent = val;
-                notifyChange();
-            }
-        }
-        updateView();
-    }
-
-    private void validateInput(View v) {
-        String str = String.valueOf(((TextView) v).getText());
-        if ("".equals(str)) {
-
-            // Restore to the old value as we don't allow empty values
-            updateView();
-        } else {
-
-            // Check the new value and ensure it's in range
-            validateCurrentView(str);
-        }
-    }
-
-    /**
-     * @hide
-     */
-    public void cancelIncrement() {
-        mIncrement = false;
-    }
-
-    /**
-     * @hide
-     */
-    public void cancelDecrement() {
-        mDecrement = false;
-    }
-
-    private static final char[] DIGIT_CHARACTERS = new char[] {
-        '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'
-    };
-
-    private NumberPickerButton mIncrementButton;
-    private NumberPickerButton mDecrementButton;
-
-    private class NumberPickerInputFilter implements InputFilter {
-        public CharSequence filter(CharSequence source, int start, int end,
-                Spanned dest, int dstart, int dend) {
-            if (mDisplayedValues == null) {
-                return mNumberInputFilter.filter(source, start, end, dest, dstart, dend);
-            }
-            CharSequence filtered = String.valueOf(source.subSequence(start, end));
-            String result = String.valueOf(dest.subSequence(0, dstart))
-                    + filtered
-                    + dest.subSequence(dend, dest.length());
-            String str = String.valueOf(result).toLowerCase();
-            for (String val : mDisplayedValues) {
-                val = val.toLowerCase();
-                if (val.startsWith(str)) {
-                    return filtered;
-                }
-            }
-            return "";
-        }
-    }
-
-    private class NumberRangeKeyListener extends NumberKeyListener {
-
-        // XXX This doesn't allow for range limits when controlled by a
-        // soft input method!
-        public int getInputType() {
-            return InputType.TYPE_CLASS_NUMBER;
-        }
-
-        @Override
-        protected char[] getAcceptedChars() {
-            return DIGIT_CHARACTERS;
-        }
-
-        @Override
-        public CharSequence filter(CharSequence source, int start, int end,
-                Spanned dest, int dstart, int dend) {
-
-            CharSequence filtered = super.filter(source, start, end, dest, dstart, dend);
-            if (filtered == null) {
-                filtered = source.subSequence(start, end);
-            }
-
-            String result = String.valueOf(dest.subSequence(0, dstart))
-                    + filtered
-                    + dest.subSequence(dend, dest.length());
-
-            if ("".equals(result)) {
-                return result;
-            }
-            int val = getSelectedPos(result);
-
-            /* Ensure the user can't type in a value greater
-             * than the max allowed. We have to allow less than min
-             * as the user might want to delete some numbers
-             * and then type a new number.
-             */
-            if (val > mEnd) {
-                return "";
-            } else {
-                return filtered;
-            }
-        }
-    }
-
-    private int getSelectedPos(String str) {
-        if (mDisplayedValues == null) {
-            try {
-                return Integer.parseInt(str);
-            } catch (NumberFormatException e) {
-                /* Ignore as if it's not a number we don't care */
-            }
-        } else {
-            for (int i = 0; i < mDisplayedValues.length; i++) {
-                /* Don't force the user to type in jan when ja will do */
-                str = str.toLowerCase();
-                if (mDisplayedValues[i].toLowerCase().startsWith(str)) {
-                    return mStart + i;
-                }
-            }
-
-            /* The user might have typed in a number into the month field i.e.
-             * 10 instead of OCT so support that too.
-             */
-            try {
-                return Integer.parseInt(str);
-            } catch (NumberFormatException e) {
-
-                /* Ignore as if it's not a number we don't care */
-            }
-        }
-        return mStart;
-    }
-
-    /**
-     * Returns the current value of the NumberPicker
-     * @return the current value.
-     */
-    public int getCurrent() {
-        return mCurrent;
-    }
-
-    /**
-     * Returns the upper value of the range of the NumberPicker
-     * @return the uppper number of the range.
-     */
-    protected int getEndRange() {
-        return mEnd;
-    }
-
-    /**
-     * Returns the lower value of the range of the NumberPicker
-     * @return the lower number of the range.
-     */
-    protected int getBeginRange() {
-        return mStart;
-    }
-}

src/main/java/org/solovyev/android/view/widgets/NumberPickerButton.java

@@ -1,106 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.widgets;
-
-/**
- * User: serso
- * Date: 9/18/11
- * Time: 10:04 PM
- */
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.KeyEvent;
-import android.view.MotionEvent;
-import android.widget.ImageButton;
-import org.solovyev.android.calculator.R;
-
-/**
- * This class exists purely to cancel long click events, that got
- * started in NumberPicker
- */
-class NumberPickerButton extends ImageButton {
-
-    private NumberPicker mNumberPicker;
-
-    public NumberPickerButton(Context context, AttributeSet attrs,
-            int defStyle) {
-        super(context, attrs, defStyle);
-    }
-
-    public NumberPickerButton(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    public NumberPickerButton(Context context) {
-        super(context);
-    }
-
-    public void setNumberPicker(NumberPicker picker) {
-        mNumberPicker = picker;
-    }
-
-    @Override
-    public boolean onTouchEvent(MotionEvent event) {
-        cancelLongpressIfRequired(event);
-        return super.onTouchEvent(event);
-    }
-
-    @Override
-    public boolean onTrackballEvent(MotionEvent event) {
-        cancelLongpressIfRequired(event);
-        return super.onTrackballEvent(event);
-    }
-
-    @Override
-    public boolean onKeyUp(int keyCode, KeyEvent event) {
-        if ((keyCode == KeyEvent.KEYCODE_DPAD_CENTER)
-                || (keyCode == KeyEvent.KEYCODE_ENTER)) {
-            cancelLongpress();
-        }
-        return super.onKeyUp(keyCode, event);
-    }
-
-    private void cancelLongpressIfRequired(MotionEvent event) {
-        if ((event.getAction() == MotionEvent.ACTION_CANCEL)
-                || (event.getAction() == MotionEvent.ACTION_UP)) {
-            cancelLongpress();
-        }
-    }
-
-    private void cancelLongpress() {
-        if (R.id.increment == getId()) {
-            mNumberPicker.cancelIncrement();
-        } else if (R.id.decrement == getId()) {
-            mNumberPicker.cancelDecrement();
-        }
-    }
-
-    public void onWindowFocusChanged(boolean hasWindowFocus) {
-        super.onWindowFocusChanged(hasWindowFocus);
-        if (!hasWindowFocus) {
-            cancelLongpress();
-        }
-    }
-
-}

src/main/java/org/solovyev/android/view/widgets/NumberRangeSeekBar.java

@@ -1,60 +0,0 @@
-package org.solovyev.android.view.widgets;
-
-import android.content.Context;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.utils.Converter;
-import org.solovyev.common.utils.Interval;
-import org.solovyev.common.utils.NumberValuer;
-
-/**
- * User: serso
- * Date: 9/19/11
- * Time: 4:26 PM
- */
-public class NumberRangeSeekBar<T extends Number> extends AbstractRangeSeekBar<T> {
-
-	@NotNull
-	private final NumberType numberType;
-
-
-	public NumberRangeSeekBar(@NotNull Interval<T> boundaries, @Nullable Integer steps, Context context) throws IllegalArgumentException {
-		this(boundaries.getLeftBorder(), boundaries.getRightBorder(), steps, context);
-	}
-
-	/**
-	 * Creates a new RangeSeekBar.
-	 *
-	 * @param minValue The minimum value of the selectable range.
-	 * @param maxValue The maximum value of the selectable range.
-	 * @param steps	number of steps of range
-	 * @param context  parent context
-	 * @throws IllegalArgumentException Will be thrown if min/max value types are not one of Long, Double, Integer, Float, Short, Byte or BigDecimal.
-	 */
-	public NumberRangeSeekBar(@NotNull T minValue, @NotNull T maxValue, @Nullable Integer steps, Context context) throws IllegalArgumentException {
-		super(minValue, maxValue, steps, context);
-
-		numberType = NumberType.fromNumber(minValue);
-
-	}
-
-	@NotNull
-	@Override
-	protected Converter<Double, T> getToTConverter() {
-		return new Converter<Double, T>() {
-			@NotNull
-			@Override
-			public T convert(@NotNull Double value) {
-				return (T) numberType.toNumber(value);
-			}
-		};
-	}
-
-	@NotNull
-	@Override
-	protected Converter<T, Double> getToDoubleConverter() {
-		return new NumberValuer<T>();
-	}
-
-
-}

src/main/java/org/solovyev/android/view/widgets/NumberType.java

@@ -1,68 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.widgets;
-
-import org.jetbrains.annotations.NotNull;
-
-import java.math.BigDecimal;
-
-/**
- * Utility enumeration used to convert between Numbers and doubles.
- *
- * @author Stephan Tittel (stephan.tittel@kom.tu-darmstadt.de)
- */
-enum NumberType {
-
-	LONG(Long.class),
-	DOUBLE(Double.class),
-	INTEGER(Integer.class),
-	FLOAT(Float.class),
-	SHORT(Short.class),
-	BYTE(Byte.class),
-	BIG_DECIMAL(BigDecimal.class);
-
-	@NotNull
-	private final Class underlyingClass;
-
-	NumberType(@NotNull Class underlyingClass) {
-		this.underlyingClass = underlyingClass;
-	}
-
-	@NotNull
-	public static <E extends Number> NumberType fromNumber(E value) throws IllegalArgumentException {
-
-		for (NumberType numberType : NumberType.values()) {
-			if (numberType.underlyingClass.isInstance(value)) {
-				return numberType;
-			}
-		}
-
-		throw new IllegalArgumentException("Number class '" + value.getClass().getName() + "' is not supported");
-	}
-
-	public <T extends Number> T toNumber(double value) {
-
-		switch (this) {
-			case LONG:
-				return (T)new Long((long) value);
-			case DOUBLE:
-				return (T)new Double(value);
-			case INTEGER:
-				return (T)new Integer((int) value);
-			case FLOAT:
-				return (T)new Float((float) value);
-			case SHORT:
-				return (T)new Short((short) value);
-			case BYTE:
-				return (T)new Byte((byte) value);
-			case BIG_DECIMAL:
-				return (T)new BigDecimal(value);
-		}
-
-		throw new InstantiationError("can't convert " + this + " to a Number object");
-	}
-}

src/main/java/org/solovyev/android/view/widgets/OnClickListenerVibrator.java

@@ -1,36 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.widgets;
-
-import android.content.SharedPreferences;
-import android.os.Vibrator;
-import android.view.View;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-/**
-* User: serso
-* Date: 10/26/11
-* Time: 11:25 PM
-*/
-public class OnClickListenerVibrator implements View.OnClickListener {
-
-	private static final float VIBRATION_TIME_SCALE = 1.0f;
-
-	@NotNull
-   	private VibratorContainer vibrator;
-
-	public OnClickListenerVibrator(@Nullable Vibrator vibrator,
-								   @NotNull SharedPreferences preferences) {
-		this.vibrator = new VibratorContainer(vibrator, preferences, VIBRATION_TIME_SCALE);
-	}
-
-	@Override
-	public void onClick(View v) {
-		vibrator.vibrate();
-	}
-}

src/main/java/org/solovyev/android/view/widgets/OnClickListenerWrapper.java

@@ -1,30 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.widgets;
-
-import android.view.View;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * User: serso
- * Date: 10/26/11
- * Time: 10:55 PM
- */
-public class OnClickListenerWrapper implements View.OnClickListener{
-
-	@NotNull
-	private final View.OnClickListener onClickListener;
-
-	public OnClickListenerWrapper(@NotNull View.OnClickListener onClickListener) {
-		this.onClickListener = onClickListener;
-	}
-
-	@Override
-	public void onClick(View v) {
-		this.onClick(v);
-	}
-}

src/main/java/org/solovyev/android/view/widgets/OnDragListener.java

@@ -1,31 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- */
-
-package org.solovyev.android.view.widgets;
-
-import org.jetbrains.annotations.NotNull;
-import org.solovyev.android.view.widgets.DragButton;
-import org.solovyev.android.view.widgets.DragEvent;
-
-import java.util.EventListener;
-
-
-public interface OnDragListener extends EventListener{
-	
-	/**
-	 * 
-	 * @return 'true': if drag event has taken place (i.e. onDrag() method returned true) then click action will be suppresed
-	 */
-	boolean isSuppressOnClickEvent();
-	
-	/**
-	 * @param dragButton drag button object for which onDrag listener was set
-	 * @param event drag event
-	 *
-	 * @return 'true' if drag event occurred, 'false' otherwise
-	 */
-	boolean onDrag(@NotNull DragButton dragButton, @NotNull DragEvent event);
-
-}

src/main/java/org/solovyev/android/view/widgets/OnDragListenerWrapper.java

@@ -1,34 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.widgets;
-
-import org.jetbrains.annotations.NotNull;
-
-/**
-* User: serso
-* Date: 10/26/11
-* Time: 10:37 PM
-*/
-public class OnDragListenerWrapper implements OnDragListener {
-
-	@NotNull
-	private final OnDragListener onDragListener;
-
-	public OnDragListenerWrapper(@NotNull OnDragListener onDragListener) {
-		this.onDragListener = onDragListener;
-	}
-
-	@Override
-	public boolean isSuppressOnClickEvent() {
-		return this.onDragListener.isSuppressOnClickEvent();
-	}
-
-	@Override
-	public boolean onDrag(@NotNull DragButton dragButton, @NotNull DragEvent event) {
-		return this.onDragListener.onDrag(dragButton, event);
-	}
-}

src/main/java/org/solovyev/android/view/widgets/SimpleOnDragListener.java

@@ -1,305 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- */
-
-package org.solovyev.android.view.widgets;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.util.Log;
-import android.view.MotionEvent;
-import org.jetbrains.annotations.NotNull;
-import org.solovyev.android.calculator.R;
-import org.solovyev.common.NumberIntervalMapper;
-import org.solovyev.common.utils.*;
-
-import java.util.HashMap;
-import java.util.Map;
-
-public class SimpleOnDragListener implements OnDragListener, DragPreferencesChangeListener {
-
-	@NotNull
-	public static final Point2d axis = new Point2d(0, 1);
-
-	@NotNull
-	private DragProcessor dragProcessor;
-
-	@NotNull
-	private Preferences preferences;
-
-	public SimpleOnDragListener(@NotNull Preferences preferences) {
-		this.preferences = preferences;
-	}
-
-	public SimpleOnDragListener(@NotNull DragProcessor dragProcessor, @NotNull Preferences preferences) {
-		this.dragProcessor = dragProcessor;
-		this.preferences = preferences;
-	}
-
-	@Override
-	public boolean onDrag(@NotNull DragButton dragButton, @NotNull DragEvent event) {
-		boolean result = false;
-
-		logDragEvent(dragButton, event);
-
-		final Point2d startPoint = event.getStartPoint();
-		final MotionEvent motionEvent = event.getMotionEvent();
-
-		// init end point
-		final Point2d endPoint = new Point2d(motionEvent.getX(), motionEvent.getY());
-
-		final float distance = MathUtils.getDistance(startPoint, endPoint);
-
-		final MutableObject<Boolean> right = new MutableObject<Boolean>();
-		final double angle = Math.toDegrees(MathUtils.getAngle(startPoint, MathUtils.sum(startPoint, axis), endPoint, right));
-		Log.d(String.valueOf(dragButton.getId()), "Angle: " + angle);
-		Log.d(String.valueOf(dragButton.getId()), "Is right?: " + right.getObject());
-
-		final double duration = motionEvent.getEventTime() - motionEvent.getDownTime();
-
-		final Preference distancePreferences = preferences.getPreferencesMap().get(PreferenceType.distance);
-		final Preference anglePreferences = preferences.getPreferencesMap().get(PreferenceType.angle);
-
-		DragDirection direction = null;
-		for (Map.Entry<DragDirection, DragPreference> directionEntry : distancePreferences.getDirectionPreferences().entrySet()) {
-
-			Log.d(String.valueOf(dragButton.getId()), "Drag direction: " + directionEntry.getKey());
-			Log.d(String.valueOf(dragButton.getId()), "Trying direction interval: " + directionEntry.getValue().getInterval());
-
-			if (isInInterval(directionEntry.getValue().getInterval(), distance)) {
-				final DragPreference anglePreference = anglePreferences.getDirectionPreferences().get(directionEntry.getKey());
-
-				Log.d(String.valueOf(dragButton.getId()), "Trying angle interval: " + anglePreference.getInterval());
-
-				if (directionEntry.getKey() == DragDirection.left && right.getObject()) {
-				} else if (directionEntry.getKey() == DragDirection.right && !right.getObject()) {
-				} else {
-					if (isInInterval(anglePreference.getInterval(), (float) angle)) {
-						direction = directionEntry.getKey();
-						Log.d(String.valueOf(dragButton.getId()), "MATCH! Direction: " + direction);
-						break;
-					}
-				}
-			}
-
-		}
-
-		if (direction != null) {
-			final Preference durationPreferences = preferences.getPreferencesMap().get(PreferenceType.duration);
-
-			final DragPreference durationDragPreferences = durationPreferences.getDirectionPreferences().get(direction);
-
-			Log.d(String.valueOf(dragButton.getId()), "Trying time interval: " + durationDragPreferences.getInterval());
-			if (isInInterval(durationDragPreferences.getInterval(), (float) duration)) {
-				Log.d(String.valueOf(dragButton.getId()), "MATCH!");
-				result = dragProcessor.processDragEvent(direction, dragButton, startPoint, motionEvent);
-			}
-		}
-
-		return result;
-	}
-
-	private boolean isInInterval(@NotNull Interval<Float> interval, float value) {
-		return interval.getLeftBorder() - MathUtils.MIN_AMOUNT <= value && value <= interval.getRightBorder() + MathUtils.MIN_AMOUNT;
-	}
-
-	@Override
-	public boolean isSuppressOnClickEvent() {
-		return true;
-	}
-
-	private void logDragEvent(@NotNull DragButton dragButton, @NotNull DragEvent event) {
-		final Point2d startPoint = event.getStartPoint();
-		final MotionEvent motionEvent = event.getMotionEvent();
-		final Point2d endPoint = new Point2d(motionEvent.getX(), motionEvent.getY());
-
-		Log.d(String.valueOf(dragButton.getId()), "Start point: " + startPoint + ", End point: " + endPoint);
-		Log.d(String.valueOf(dragButton.getId()), "Distance: " + MathUtils.getDistance(startPoint, endPoint));
-		final MutableObject<Boolean> right = new MutableObject<Boolean>();
-		Log.d(String.valueOf(dragButton.getId()), "Angle: " + Math.toDegrees(MathUtils.getAngle(startPoint, MathUtils.sum(startPoint, axis), endPoint, right)));
-		Log.d(String.valueOf(dragButton.getId()), "Is right angle? " + right);
-		Log.d(String.valueOf(dragButton.getId()), "Axis: " + axis + " Vector: " + MathUtils.subtract(endPoint, startPoint));
-		Log.d(String.valueOf(dragButton.getId()), "Total time: " + (motionEvent.getEventTime() - motionEvent.getDownTime()) + " ms");
-	}
-
-	@NotNull
-	public DragProcessor getDragProcessor() {
-		return dragProcessor;
-	}
-
-	public void setDragProcessor(@NotNull DragProcessor dragProcessor) {
-		this.dragProcessor = dragProcessor;
-	}
-
-	@Override
-	public void onDragPreferencesChange(@NotNull Preferences preferences) {
-		this.preferences = preferences;
-	}
-
-	public interface DragProcessor {
-
-		boolean processDragEvent(@NotNull DragDirection dragDirection, @NotNull DragButton dragButton, @NotNull Point2d startPoint2d, @NotNull MotionEvent motionEvent);
-	}
-
-	// todo serso: currently we do not use direction
-	public static String getPreferenceId(@NotNull PreferenceType preferenceType, @NotNull DragDirection direction) {
-		return "org.solovyev.android.calculator.DragButtonCalibrationActivity" + "_" + preferenceType.name() /*+ "_" + direction.name()*/;
-	}
-
-	@NotNull
-	public static Preferences getPreferences(@NotNull final SharedPreferences preferences, @NotNull Context context) {
-
-		final Mapper<Interval<Float>> mapper = new NumberIntervalMapper<Float>(Float.class);
-
-		final Preferences result = new Preferences();
-
-		for (PreferenceType preferenceType : PreferenceType.values()) {
-			for (DragDirection dragDirection : DragDirection.values()) {
-
-				final String preferenceId = getPreferenceId(preferenceType, dragDirection);
-
-				final String defaultValue;
-				switch (preferenceType) {
-					case angle:
-						defaultValue = context.getResources().getString(R.string.p_drag_angle);
-						break;
-					case distance:
-						defaultValue = context.getResources().getString(R.string.p_drag_distance);
-						break;
-					case duration:
-						defaultValue = context.getResources().getString(R.string.p_drag_duration);
-						break;
-					default:
-						defaultValue = null;
-						Log.e(SimpleOnDragListener.class.getName(), "New preference type added: default preferences should be defined. Preference id: " + preferenceId);
-				}
-
-				final String value = preferences.getString(preferenceId, defaultValue);
-
-				if (defaultValue != null) {
-					final Interval<Float> intervalPref = mapper.parseValue(value);
-					assert intervalPref != null;
-
-					transformInterval(preferenceType, dragDirection, intervalPref);
-
-					Log.d(SimpleOnDragListener.class.getName(), "Preference loaded for " + dragDirection +". Id: " + preferenceId + ", value: " + intervalPref.toString());
-
-					final DragPreference directionPreference = new DragPreference(dragDirection, intervalPref);
-
-					Preference preference = result.getPreferencesMap().get(preferenceType);
-					if (preference == null) {
-						preference = new Preference(preferenceType);
-						result.getPreferencesMap().put(preferenceType, preference);
-					}
-
-					preference.getDirectionPreferences().put(dragDirection, directionPreference);
-				}
-			}
-		}
-
-		return result;
-	}
-
-	@NotNull
-	public static Interval<Float> transformInterval(@NotNull PreferenceType preferenceType, @NotNull DragDirection dragDirection, @NotNull Interval<Float> interval) {
-		if (preferenceType == PreferenceType.angle) {
-			final Float leftBorder = interval.getLeftBorder();
-			final Float rightBorder = interval.getRightBorder();
-
-			if (dragDirection == DragDirection.up) {
-				interval.setLeftBorder(180f - rightBorder);
-				interval.setRightBorder(180f - leftBorder);
-			} else if (dragDirection == DragDirection.left ) {
-				interval.setLeftBorder(90f - rightBorder);
-				interval.setRightBorder(90f + rightBorder);
-			} else if ( dragDirection == DragDirection.right ) {
-				interval.setLeftBorder(90f - rightBorder);
-				interval.setRightBorder(90f + rightBorder);
-			}
-		}
-
-		return interval;
-	}
-
-
-	public static enum PreferenceType {
-		angle,
-		distance,
-		duration
-	}
-
-	public static class DragPreference {
-
-		@NotNull
-		private DragDirection direction;
-
-		@NotNull
-		private Interval<Float> interval;
-
-
-		public DragPreference(@NotNull DragDirection direction, @NotNull Interval<Float> interval) {
-			this.direction = direction;
-			this.interval = interval;
-		}
-
-		@NotNull
-		public DragDirection getDirection() {
-			return direction;
-		}
-
-		public void setDirection(@NotNull DragDirection direction) {
-			this.direction = direction;
-		}
-
-		@NotNull
-		public Interval<Float> getInterval() {
-			return interval;
-		}
-
-		public void setInterval(@NotNull Interval<Float> interval) {
-			this.interval = interval;
-		}
-	}
-
-	public static class Preference {
-
-		@NotNull
-		private PreferenceType preferenceType;
-
-		@NotNull
-		private Map<DragDirection, DragPreference> directionPreferences = new HashMap<DragDirection, DragPreference>();
-
-
-		public Preference(@NotNull PreferenceType preferenceType) {
-			this.preferenceType = preferenceType;
-		}
-
-		@NotNull
-		public PreferenceType getPreferenceType() {
-			return preferenceType;
-		}
-
-		public void setPreferenceType(@NotNull PreferenceType preferenceType) {
-			this.preferenceType = preferenceType;
-		}
-
-		@NotNull
-		public Map<DragDirection, DragPreference> getDirectionPreferences() {
-			return directionPreferences;
-		}
-
-		public void setDirectionPreferences(@NotNull Map<DragDirection, DragPreference> directionPreferences) {
-			this.directionPreferences = directionPreferences;
-		}
-	}
-
-	public static class Preferences {
-
-		private final Map<PreferenceType, Preference> preferencesMap = new HashMap<PreferenceType, Preference>();
-
-		public Map<PreferenceType, Preference> getPreferencesMap() {
-			return preferencesMap;
-		}
-	}
-}

src/main/java/org/solovyev/android/view/widgets/VibratorContainer.java

@@ -1,65 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.android.view.widgets;
-
-import android.content.SharedPreferences;
-import android.os.Vibrator;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.NumberMapper;
-
-/**
- * User: serso
- * Date: 10/26/11
- * Time: 11:40 PM
- */
-public class VibratorContainer implements SharedPreferences.OnSharedPreferenceChangeListener {
-
-	public static final String HAPTIC_FEEDBACK_P_KEY = "org.solovyev.android.calculator.CalculatorModel_haptic_feedback";
-	public static final boolean HAPTIC_FEEDBACK_DEFAULT = false;
-	public static final String HAPTIC_FEEDBACK_DURATION_P_KEY = "org.solovyev.android.calculator.CalculatorActivity_calc_haptic_feedback_duration_key";
-
-	private final static NumberMapper<Long> mapper = new NumberMapper<Long>(Long.class);
-
-	private static final long defaultVibrationTime = 100;
-
-	private final float vibrationTimeScale;
-
-	@Nullable
-	private final Vibrator vibrator;
-
-	private long time = 0;
-
-	public VibratorContainer(@Nullable Vibrator vibrator, @NotNull SharedPreferences preferences, float vibrationTimeScale) {
-		this.vibrator = vibrator;
-		this.vibrationTimeScale = vibrationTimeScale;
-
-		preferences.registerOnSharedPreferenceChangeListener(this);
-		onSharedPreferenceChanged(preferences, null);
-
-	}
-
-	public void vibrate() {
-		if (time > 0 && vibrator != null) {
-			vibrator.vibrate(time);
-		}
-	}
-
-	@Override
-	public void onSharedPreferenceChanged(SharedPreferences preferences, @Nullable String key) {
-		if (preferences.getBoolean(HAPTIC_FEEDBACK_P_KEY, VibratorContainer.HAPTIC_FEEDBACK_DEFAULT)) {
-			//noinspection ConstantConditions
-			this.time = getScaledValue(mapper.parseValue(preferences.getString(HAPTIC_FEEDBACK_DURATION_P_KEY, mapper.formatValue(getScaledValue(defaultVibrationTime)))));
-		} else {
-			this.time = 0;
-		}
-	}
-
-	private long getScaledValue(long vibrationTime) {
-		return (long) (vibrationTime * vibrationTimeScale);
-	}
-}

src/main/java/org/solovyev/common/AbstractIntervalMapper.java

@@ -1,49 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.common;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.utils.*;
-
-import java.util.Arrays;
-import java.util.List;
-
-/**
- * User: serso
- * Date: 9/21/11
- * Time: 12:02 AM
- */
-public abstract class AbstractIntervalMapper<T> implements Mapper<Interval<T>> {
-
-	@Override
-	public String formatValue(@Nullable Interval<T> interval) throws IllegalArgumentException {
-		if (interval != null) {
-			return CollectionsUtils.formatValue(Arrays.asList(interval.getLeftBorder(), interval.getRightBorder()), ";", getFormatter());
-		} else {
-			return null;
-		}
-	}
-
-	@NotNull
-	protected abstract Formatter<T> getFormatter();
-
-	@Override
-	public Interval<T> parseValue(@Nullable String s) throws IllegalArgumentException {
-		//Log.d(AbstractIntervalMapper.class.getName(), "Parsing: " + s);
-		final List<T> list = CollectionsUtils.split(s, ";", getParser());
-
-		assert list.size() == 2;
-		return newInstance(list.get(0), list.get(1));
-	}
-
-	@NotNull
-	protected abstract Interval<T> newInstance(@Nullable T left, @Nullable T right);
-
-	@NotNull
-	protected abstract Parser<T> getParser();
-}

src/main/java/org/solovyev/common/BooleanMapper.java

@@ -1,34 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.common;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.math.ValueOfFormatter;
-import org.solovyev.common.utils.Formatter;
-import org.solovyev.common.utils.Mapper;
-
-/**
- * User: serso
- * Date: 9/26/11
- * Time: 11:27 PM
- */
-public class BooleanMapper implements Mapper<Boolean>{
-
-	@NotNull
-	private final Formatter<Boolean> formatter = new ValueOfFormatter<Boolean>();
-
-	@Override
-	public String formatValue(@Nullable Boolean value) throws IllegalArgumentException {
-		return formatter.formatValue(value);
-	}
-
-	@Override
-	public Boolean parseValue(@Nullable String value) throws IllegalArgumentException {
-		return value == null ? null : Boolean.valueOf(value);
-	}
-}

src/main/java/org/solovyev/common/GenericIntervalMapper.java

@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.common;
-
-import org.jetbrains.annotations.NotNull;
-import org.solovyev.common.utils.Formatter;
-import org.solovyev.common.utils.Mapper;
-import org.solovyev.common.utils.Parser;
-
-/**
- * User: serso
- * Date: 9/26/11
- * Time: 10:45 PM
- */
-public abstract class GenericIntervalMapper<T> extends AbstractIntervalMapper<T> {
-
-	@NotNull
-	private final Mapper<T> mapper;
-
-	public GenericIntervalMapper(@NotNull Mapper<T> mapper) {
-		this.mapper = mapper;
-	}
-
-	@NotNull
-	@Override
-	protected Formatter<T> getFormatter() {
-		return mapper;
-	}
-
-	@NotNull
-	@Override
-	protected Parser<T> getParser() {
-		return mapper;
-	}
-
-	@NotNull
-	public Mapper<T> getMapper() {
-		return mapper;
-	}
-}

src/main/java/org/solovyev/common/NumberIntervalMapper.java

@@ -1,30 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.common;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.utils.Interval;
-import org.solovyev.common.utils.NumberInterval;
-
-/**
-* User: serso
-* Date: 9/20/11
-* Time: 11:56 PM
-*/
-public class NumberIntervalMapper<T extends Number> extends GenericIntervalMapper<T> {
-
-	public NumberIntervalMapper(@NotNull Class<T> clazz) {
-		super(new NumberMapper<T>(clazz));
-	}
-
-	@NotNull
-	@Override
-	protected Interval<T> newInstance(@Nullable T left, @Nullable T right) {
-		return new NumberInterval<T>(left, right);
-	}
-}

src/main/java/org/solovyev/common/NumberMapper.java

@@ -1,42 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.common;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.math.ValueOfFormatter;
-import org.solovyev.common.utils.Formatter;
-import org.solovyev.common.utils.Mapper;
-import org.solovyev.common.utils.Parser;
-
-/**
- * User: serso
- * Date: 9/26/11
- * Time: 11:10 PM
- */
-public class NumberMapper<T extends Number> implements Mapper<T>{
-
-	@NotNull
-	private final Formatter<T> formatter = new ValueOfFormatter<T>();
-
-	@NotNull
-	private final Parser<T> parser;
-
-	public NumberMapper(@NotNull Class<T> clazz) {
-		this.parser = new NumberParser<T>(clazz);
-	}
-
-	@Override
-	public String formatValue(@Nullable T value) throws IllegalArgumentException {
-		return formatter.formatValue(value);
-	}
-
-	@Override
-	public T parseValue(@Nullable String value) throws IllegalArgumentException {
-		return this.parser.parseValue(value);
-	}
-}

src/main/java/org/solovyev/common/NumberParser.java

@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.common;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.utils.Parser;
-
-/**
- * User: serso
- * Date: 9/26/11
- * Time: 11:07 PM
- */
-public class NumberParser<T extends Number> implements Parser<T> {
-
-	@NotNull
-	private final Class<T> clazz;
-
-	public NumberParser(@NotNull Class<T> clazz) {
-		this.clazz = clazz;
-	}
-
-	@Override
-	public T parseValue(@Nullable String value) throws IllegalArgumentException {
-		T result;
-
-		if (value != null) {
-			if (this.clazz.equals(Integer.class)) {
-				result = (T) Integer.valueOf(value);
-			} else if (this.clazz.equals(Float.class)) {
-				result = (T) Float.valueOf(value);
-			} else if (this.clazz.equals(Long.class)) {
-				result = (T) Long.valueOf(value);
-			} else {
-				throw new UnsupportedOperationException(this.clazz + " is not supported!");
-			}
-		} else {
-			result = null;
-		}
-
-		return result;
-	}
-}

src/main/java/org/solovyev/common/SameEqualizer.java

@@ -1,29 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.common;
-
-
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.utils.Equalizer;
-
-/**
- * User: serso
- * Date: 12/17/11
- * Time: 11:11 PM
- */
-public enum SameEqualizer implements Equalizer {
-
-	instance;
-
-	private SameEqualizer() {
-	}
-
-	@Override
-	public boolean equals(@Nullable Object first, @Nullable Object second) {
-		return first == second;
-	}
-}

src/main/java/org/solovyev/common/math/DiscreteNormalizer.java

@@ -1,68 +0,0 @@
-package org.solovyev.common.math;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-/**
- * User: serso
- * Date: 9/20/11
- * Time: 5:42 PM
- */
-public class DiscreteNormalizer implements Normalizer {
-
-	@NotNull
-	private final Normalizer normalizer;
-
-	private final double min;
-
-	private final double step;
-
-	public DiscreteNormalizer(double min, double max, int steps) {
-		this(min, max, steps, null);
-	}
-
-	public DiscreteNormalizer(double min, double max, int steps, @Nullable Normalizer normalizer) {
-		assert min <= max;
-		assert steps > 1;
-
-		if (normalizer != null) {
-			this.normalizer = normalizer;
-		} else {
-			this.normalizer = new LinearNormalizer(min, max);
-		}
-
-		this.step = this.normalizer.normalize((max - min) / (steps - 1));
-		this.min = this.normalizer.normalize(min);
-	}
-
-	public DiscreteNormalizer(double min, double max, double step) {
-		assert min <= max;
-		assert step > 0;
-
-		this.normalizer = new LinearNormalizer(min, max);
-
-		this.step = normalizer.normalize(step);
-		this.min = normalizer.normalize(min);
-	}
-
-	@Override
-	public double normalize(double value) {
-		double normalizedValue = normalizer.normalize(value);
-
-		double result = min;
-		while (true) {
-			if ( result + step > normalizedValue ) {
-				break;
-			} else {
-				result += step;
-			}
-		}
-
-		return result;
-	}
-
-	@Override
-	public double denormalize(double value) {
-		return normalizer.denormalize(value);
-	}
-}

src/main/java/org/solovyev/common/math/LinearNormalizer.java

@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.common.math;
-
-/**
-* User: serso
-* Date: 9/19/11
-* Time: 9:31 PM
-*/
-public class LinearNormalizer implements Normalizer {
-
-	private final double min;
-	private final double max;
-
-	public LinearNormalizer(double min, double max) {
-		this.min = min;
-		this.max = max;
-	}
-
-	@Override
-	public double normalize(double value){
-		if ((max - min) != 0d) {
-			return (value - min) / (max - min);
-		} else {
-			return 1d;
-		}
-	}
-
-	@Override
-	public double denormalize(double value){
-		return min + value * (max - min);
-	}
-
-}

src/main/java/org/solovyev/common/math/Normalizer.java

@@ -1,13 +0,0 @@
-package org.solovyev.common.math;
-
-/**
- * User: serso
- * Date: 9/20/11
- * Time: 5:30 PM
- */
-public interface Normalizer {
-
-	double normalize(double value);
-
-	double denormalize(double value);
-}

src/main/java/org/solovyev/common/math/ValueOfFormatter.java

@@ -1,34 +0,0 @@
-/*
- * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
- * For more information, please, contact se.solovyev@gmail.com
- * or visit http://se.solovyev.org
- */
-
-package org.solovyev.common.math;
-
-import org.jetbrains.annotations.Nullable;
-import org.solovyev.common.utils.Formatter;
-
-/**
- * User: serso
- * Date: 9/20/11
- * Time: 10:52 PM
- */
-public class ValueOfFormatter<T> implements Formatter<T>{
-
-	private final boolean processNulls;
-
-	public ValueOfFormatter() {
-		this(false);
-	}
-
-	public ValueOfFormatter(boolean processNulls) {
-		this.processNulls = processNulls;
-	}
-
-
-	@Override
-	public String formatValue(@Nullable T t) throws IllegalArgumentException {
-		return t == null ? (processNulls ? String.valueOf(t) : null) : String.valueOf(t);
-	}
-}