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new widgets

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This commit is contained in:
serso 2011-09-19 22:50:01 +04:00
parent 7aec0d0c3e
commit 0e2a85ae9e
14 changed files with 361 additions and 187 deletions
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31
res/layout-land/number_picker.xml Normal file
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@ -0,0 +1,31 @@
<?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
-->
<merge xmlns:android="http://schemas.android.com/apk/res/android">
<org.solovyev.android.view.widgets.NumberPickerButton android:id="@+id/increment"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/timepicker_up_btn" />
<EditText android:id="@+id/timepicker_input"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:singleLine="true"
style="?android:attr/textAppearanceLargeInverse"
android:textColor="@android:color/primary_text_light"
android:textSize="30sp"
android:background="@drawable/timepicker_input" />
<org.solovyev.android.view.widgets.NumberPickerButton android:id="@+id/decrement"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/timepicker_down_btn" />
</merge>

9
res/values/attrs.xml
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@ -1,7 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="DragButton">
<attr name="textUp" format="string" />
<attr name="textDown" format="string" />
<attr name="textUp" format="string"/>
<attr name="textDown" format="string"/>
</declare-styleable>
<declare-styleable name="NumberRangeSeekBar">
<attr name="min" format="string"/>
<attr name="max" format="string"/>
</declare-styleable>
</resources>

18
res/xml/preferences.xml
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@ -1,15 +1,27 @@
<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:a="http://schemas.android.com/apk/res/android">
<PreferenceScreen xmlns:a="http://schemas.android.com/apk/res/android"
xmlns:range="http://schemas.android.com/apk/res/org.solovyev.android.calculator">
<PreferenceCategory a:title="@string/c_prefs_drag_button_category">
<!-- <org.solovyev.android.view.prefs.SeekBarPreference a:key="duration"
<org.solovyev.android.view.prefs.SeekBarPreference a:key="duration"
a:title="Duration of something"
a:summary="How long something will last"
a:dialogMessage="Something duration"
a:defaultValue="5"
a:text=" minutes"
a:max="60"/>-->
a:max="60"/>
<org.solovyev.android.view.prefs.IntegerRangeSeekBarPreference
a:key="touch.duration"
a:title="Duration of something"
a:summary="How long something will last"
a:dialogMessage="Something duration"
a:defaultValue="5"
a:text=" minutes"
range:min="10"
range:max="600"/>
</PreferenceCategory>
</PreferenceScreen>

11
src/main/java/org/solovyev/android/calculator/DragButtonCalibrationActivity.java
View File

@ -21,6 +21,7 @@ import org.solovyev.android.view.widgets.*;
import org.solovyev.common.collections.ManyValuedHashMap;
import org.solovyev.common.collections.ManyValuedMap;
import org.solovyev.common.utils.Interval;
import org.solovyev.common.utils.IntervalImpl;
import org.solovyev.common.utils.MathUtils;
import org.solovyev.common.utils.Point2d;
@ -237,7 +238,7 @@ public class DragButtonCalibrationActivity extends Activity {
final float max = preferences.getFloat(preferenceType.name() + "_" + dragDirection.name() + "_" + PREFERENCES_MAX, defaultMax);
if (min != DEFAULT_VALUE && max != DEFAULT_VALUE) {
final DragPreference directionPreference = new DragPreference(dragDirection, new Interval(min, max));
final DragPreference directionPreference = new DragPreference(dragDirection, new IntervalImpl<Float>(min, max));
Preference preference = result.getPreferencesMap().get(preferenceType);
if (preference == null) {
@ -262,10 +263,10 @@ public class DragButtonCalibrationActivity extends Activity {
private DragDirection direction;
@NotNull
private Interval interval;
private Interval<Float> interval;
public DragPreference(@NotNull DragDirection direction, @NotNull Interval interval) {
public DragPreference(@NotNull DragDirection direction, @NotNull Interval<Float> interval) {
this.direction = direction;
this.interval = interval;
}
@ -280,11 +281,11 @@ public class DragButtonCalibrationActivity extends Activity {
}
@NotNull
public Interval getInterval() {
public Interval<Float> getInterval() {
return interval;
}
public void setInterval(@NotNull Interval interval) {
public void setInterval(@NotNull Interval<Float> interval) {
this.interval = interval;
}
}

21
src/main/java/org/solovyev/android/view/prefs/AbstractDialogPreference.java
View File

@ -4,10 +4,10 @@ import android.content.Context;
import android.preference.DialogPreference;
import android.util.AttributeSet;
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;
/**
* User: serso
@ -20,19 +20,19 @@ public class AbstractDialogPreference extends DialogPreference {
protected static final String androidns = "http://schemas.android.com/apk/res/android";
@NotNull
protected TextView splashText, valueText;
protected TextView valueTextView;
@NotNull
protected final Context context;
protected String dialogMessage, suffix;
@Nullable
protected String dialogMessage;
public AbstractDialogPreference(Context context, AttributeSet attrs) {
super(context, attrs);
this.context = context;
dialogMessage = attrs.getAttributeValue(androidns, "dialogMessage");
suffix = attrs.getAttributeValue(androidns, "text");
}
@Override
@ -42,18 +42,19 @@ public class AbstractDialogPreference extends DialogPreference {
layout.setOrientation(LinearLayout.VERTICAL);
layout.setPadding(6, 6, 6, 6);
splashText = new TextView(context);
if (dialogMessage != null)
final TextView splashText = new TextView(context);
if (dialogMessage != null) {
splashText.setText(dialogMessage);
}
layout.addView(splashText);
valueText = new TextView(context);
valueText.setGravity(Gravity.CENTER_HORIZONTAL);
valueText.setTextSize(32);
valueTextView = new TextView(context);
valueTextView.setGravity(Gravity.CENTER_HORIZONTAL);
valueTextView.setTextSize(32);
params = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.FILL_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
layout.addView(valueText, params);
layout.addView(valueTextView, params);
return layout;
}

36
src/main/java/org/solovyev/android/view/prefs/IntegerRangeSeekBarPreference.java Normal file
View File

@ -0,0 +1,36 @@
/*
* 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.utils.Converter;
/**
* 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
Converter<String, Integer> getConverter() {
return new Converter<String, Integer>() {
@NotNull
@Override
public Integer convert(@NotNull String value) {
return Integer.valueOf(value);
}
};
}
}

117
src/main/java/org/solovyev/android/view/prefs/RangeSeekBarPreference.java Normal file
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@ -0,0 +1,117 @@
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.solovyev.android.view.widgets.AbstractRangeSeekBar;
import org.solovyev.android.view.widgets.NumberRangeSeekBar;
import org.solovyev.common.utils.CollectionsUtils;
import org.solovyev.common.utils.Converter;
import org.solovyev.common.utils.StringMapper;
import java.util.Arrays;
import java.util.List;
/**
* User: serso
* Date: 9/19/11
* Time: 12:27 PM
*/
public abstract class RangeSeekBarPreference<T extends Number> extends AbstractDialogPreference implements AbstractRangeSeekBar.OnRangeSeekBarChangeListener<T> {
public final static String localNameSpace = "http://schemas.android.com/apk/res/org.solovyev.android.calculator";
@NotNull
private AbstractRangeSeekBar<T> rangeSeekBar;
@NotNull
private T min;
@NotNull
private T max;
@NotNull
private T selectedMin;
@NotNull
private T selectedMax;
public RangeSeekBarPreference(@NotNull Context context, AttributeSet attrs) {
super(context, attrs);
final Converter<String, T> c = getConverter();
String minString = attrs.getAttributeValue(localNameSpace, "min");
min = c.convert(minString == null ? "0" : minString);
String maxString = attrs.getAttributeValue(localNameSpace, "max");
max = c.convert(maxString == null ? "100" : maxString);
this.rangeSeekBar = new NumberRangeSeekBar<T>(min, max, context);
rangeSeekBar.setOnRangeSeekBarChangeListener(this);
}
public void setMin(@NotNull String min) {
this.min = getConverter().convert(min);
}
public void setMax(@NotNull String max) {
this.max = getConverter().convert(max);
}
@NotNull
abstract Converter<String, T> getConverter();
@Override
protected LinearLayout onCreateDialogView() {
final LinearLayout result = super.onCreateDialogView();
this.rangeSeekBar = new NumberRangeSeekBar<T>(min, max, context);
rangeSeekBar.setOnRangeSeekBarChangeListener(this);
initRangeSeekBar();
result.addView(rangeSeekBar);
return result;
}
@Override
protected void onBindDialogView(View v) {
super.onBindDialogView(v);
initRangeSeekBar();
}
private void initRangeSeekBar() {
rangeSeekBar.setSelectedMinValue(selectedMin);
rangeSeekBar.setSelectedMaxValue(selectedMax);
}
@Override
protected void onSetInitialValue(boolean restore, Object defaultValue) {
super.onSetInitialValue(restore, defaultValue);
final List<String> values;
if (restore) {
values = CollectionsUtils.split(getPersistedString("0;100"), ";", new StringMapper());
} else {
values = CollectionsUtils.split(String.valueOf(defaultValue), ";", new StringMapper());
}
selectedMin = getConverter().convert(values.get(0));
selectedMax = getConverter().convert(values.get(1));
}
@Override
public void rangeSeekBarValuesChanged(T minValue, T maxValue) {
final String value = CollectionsUtils.formatValue(Arrays.asList(String.valueOf(minValue), String.valueOf(maxValue)), ";", new StringMapper());
if (shouldPersist()) {
persistString(value);
}
callChangeListener(value);
}
}

45
src/main/java/org/solovyev/android/view/prefs/RangeSeekPreference.java
View File

@ -1,45 +0,0 @@
package org.solovyev.android.view.prefs;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.LinearLayout;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.view.widgets.AbstractRangeSeekBar;
import org.solovyev.android.view.widgets.NumberRangeSeekBar;
/**
* User: serso
* Date: 9/19/11
* Time: 12:27 PM
*/
public abstract class RangeSeekPreference<T extends Number> extends AbstractDialogPreference implements AbstractRangeSeekBar.OnRangeSeekBarChangeListener<T> {
@NotNull
private final AbstractRangeSeekBar<T> rangeSeekBar;
public RangeSeekPreference(@NotNull Context context, AttributeSet attrs) {
super(context, attrs);
this.rangeSeekBar = new NumberRangeSeekBar<T>(getMinValue(), getMaxValue(), context);
rangeSeekBar.setOnRangeSeekBarChangeListener(this);
}
@NotNull
abstract T getMinValue();
@NotNull
abstract T getMaxValue();
@Override
protected LinearLayout onCreateDialogView() {
final LinearLayout result = super.onCreateDialogView();
result.addView(rangeSeekBar);
return result;
}
@Override
public void rangeSeekBarValuesChanged(T minValue, T maxValue) {
//To change body of implemented methods use File | Settings | File Templates.
}
}

24
src/main/java/org/solovyev/android/view/prefs/SeekBarPreference.java
View File

@ -6,15 +6,13 @@
package org.solovyev.android.view.prefs;
import android.preference.DialogPreference;
import android.content.Context;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.LinearLayout;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/* The following code was written by Matthew Wiggins
@ -30,17 +28,20 @@ public class SeekBarPreference extends AbstractDialogPreference implements SeekB
private int defaultValue, max, value = 0;
@Nullable
protected String valueText;
public SeekBarPreference(Context context, AttributeSet attrs) {
super(context, attrs);
defaultValue = attrs.getAttributeIntValue(androidns, "defaultValue", 0);
max = attrs.getAttributeIntValue(androidns, "max", 100);
valueText = attrs.getAttributeValue(androidns, "text");
}
@Override
protected LinearLayout onCreateDialogView() {
final LinearLayout layout = onCreateDialogView();
final LinearLayout layout = super.onCreateDialogView();
seekBar = new SeekBar(context);
seekBar.setOnSeekBarChangeListener(this);
@ -49,17 +50,20 @@ public class SeekBarPreference extends AbstractDialogPreference implements SeekB
if (shouldPersist())
value = getPersistedInt(defaultValue);
seekBar.setMax(max);
seekBar.setProgress(value);
initSeekBar();
return layout;
}
private void initSeekBar() {
seekBar.setMax(max);
seekBar.setProgress(value);
}
@Override
protected void onBindDialogView(View v) {
super.onBindDialogView(v);
seekBar.setMax(max);
seekBar.setProgress(value);
initSeekBar();
}
@Override
@ -73,7 +77,7 @@ public class SeekBarPreference extends AbstractDialogPreference implements SeekB
public void onProgressChanged(SeekBar seek, int value, boolean fromTouch) {
String t = String.valueOf(value);
valueText.setText(suffix == null ? t : t.concat(suffix));
valueTextView.setText(valueText == null ? t : t.concat(valueText));
if (shouldPersist())
persistInt(value);
callChangeListener(new Integer(value));

49
src/main/java/org/solovyev/android/view/widgets/AbstractRangeSeekBar.java
View File

@ -14,6 +14,7 @@ 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.utils.Converter;
/**
@ -53,7 +54,8 @@ public abstract class AbstractRangeSeekBar<T> extends ImageView {
@NotNull
private final T minValue, maxValue;
private final double dMinValue, dMaxValue;
@NotNull
private final LinearNormalizer normalizer;
private double normalizedMinValue = 0d;
@ -84,8 +86,7 @@ public abstract class AbstractRangeSeekBar<T> extends ImageView {
this.toDoubleConverter = getToDoubleConverter();
this.toTConverter = getToTConverter();
dMinValue = toDoubleConverter.convert(minValue);
dMaxValue = toDoubleConverter.convert(maxValue);
normalizer = new LinearNormalizer(toDoubleConverter.convert(minValue), toDoubleConverter.convert(maxValue));
}
@NotNull
@ -141,14 +142,9 @@ public abstract class AbstractRangeSeekBar<T> extends ImageView {
*
* @param value The Number value to set the minimum value to. Will be clamped to given absolute minimum/maximum range.
*/
public void setSelectedMinValue(T value) {
// in case absoluteMinValue == absoluteMaxValue, avoid division by zero when normalizing.
if (0 == (dMaxValue - dMinValue)) {
setNormalizedMinValue(0d);
} else {
public void setSelectedMinValue(@NotNull T value) {
setNormalizedMinValue(normalizeValue(value));
}
}
/**
* Returns the currently selected max value.
@ -164,14 +160,9 @@ public abstract class AbstractRangeSeekBar<T> extends ImageView {
*
* @param value The Number value to set the maximum value to. Will be clamped to given absolute minimum/maximum range.
*/
public void setSelectedMaxValue(T value) {
// in case absoluteMinValue == absoluteMaxValue, avoid division by zero when normalizing.
if (0 == (dMaxValue - dMinValue)) {
setNormalizedMaxValue(1d);
} else {
public void setSelectedMaxValue(@NotNull T value) {
setNormalizedMaxValue(normalizeValue(value));
}
}
/**
* Registers given listener callback to notify about changed selected values.
@ -330,7 +321,7 @@ public abstract class AbstractRangeSeekBar<T> extends ImageView {
*/
@SuppressWarnings("unchecked")
private T denormalizeValue(double normalized) {
return toTConverter.convert(dMinValue + normalized * (dMaxValue - dMinValue));
return toTConverter.convert(normalizer.denormalize(normalized));
}
/**
@ -340,8 +331,7 @@ public abstract class AbstractRangeSeekBar<T> extends ImageView {
* @return The normalized double.
*/
private double normalizeValue(T value) {
assert 0 != dMaxValue - dMinValue;
return (toDoubleConverter.convert(value) - dMinValue) / (dMaxValue - dMinValue);
return normalizer.normalize(toDoubleConverter.convert(value));
}
/**
@ -390,27 +380,4 @@ public abstract class AbstractRangeSeekBar<T> extends ImageView {
MIN, MAX
}
private class LinearNormalizer {
private final double minValue;
private final double maxValue;
private LinearNormalizer(double minValue, double maxValue) {
this.minValue = minValue;
this.maxValue = maxValue;
}
double normalize(double value){
if ((dMaxValue - dMinValue) != 0d) {
return (value - dMinValue) / (dMaxValue - dMinValue);
} else {
return 1d;
}
}
double denormalize(double value){
return dMinValue + value * (dMaxValue - dMinValue);
}
}
}

61
src/main/java/org/solovyev/android/view/widgets/NumberRangeSeekBar.java
View File

@ -2,13 +2,9 @@ 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.Mapper;
import org.solovyev.common.utils.NumberValuer;
import java.math.BigDecimal;
/**
* User: serso
* Date: 9/19/11
@ -38,6 +34,7 @@ public class NumberRangeSeekBar<T extends Number> extends AbstractRangeSeekBar<T
@Override
protected Converter<Double, T> getToTConverter() {
return new Converter<Double, T>() {
@NotNull
@Override
public T convert(@NotNull Double aDouble) {
return (T) numberType.toNumber(aDouble);
@ -52,60 +49,4 @@ public class NumberRangeSeekBar<T extends Number> extends AbstractRangeSeekBar<T
}
/**
* Utility enumeration used to convert between Numbers and doubles.
*
* @author Stephan Tittel (stephan.tittel@kom.tu-darmstadt.de)
*/
private static 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;
private 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");
}
}
}

68
src/main/java/org/solovyev/android/view/widgets/NumberType.java Normal file
View File

@ -0,0 +1,68 @@
/*
* 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");
}
}

4
src/main/java/org/solovyev/android/view/widgets/SimpleOnDragListener.java
View File

@ -85,8 +85,8 @@ public class SimpleOnDragListener implements OnDragListener, DragPreferencesChan
return result;
}
private boolean isInInterval(@NotNull Interval interval, float value) {
return interval.getStart() - MathUtils.MIN_AMOUNT <= value && value <= interval.getEnd() + MathUtils.MIN_AMOUNT;
private boolean isInInterval(@NotNull Interval<Float> interval, float value) {
return interval.getLeftBorder() - MathUtils.MIN_AMOUNT <= value && value <= interval.getRightBorder() + MathUtils.MIN_AMOUNT;
}
@Override

36
src/main/java/org/solovyev/common/math/LinearNormalizer.java Normal file
View File

@ -0,0 +1,36 @@
/*
* 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 {
private final double min;
private final double max;
public LinearNormalizer(double min, double max) {
this.min = min;
this.max = max;
}
public double normalize(double value){
if ((max - min) != 0d) {
return (value - min) / (max - min);
} else {
return 1d;
}
}
public double denormalize(double value){
return min + value * (max - min);
}
}