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This commit is contained in:
Sergey Solovyev 2012-10-06 00:16:05 +04:00
parent 31c5551b4e
commit d4cff84040
3 changed files with 362 additions and 320 deletions
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2
calculatorpp-core/src/main/java/org/solovyev/android/calculator/CalculatorEventType.java
View File

@ -91,6 +91,8 @@ public enum CalculatorEventType {
// @NotNull CalculatorHistoryState
use_history_state,
clear_history_requested,
/*
**********************************************************************
*

3
calculatorpp/res/menu/history_menu.xml
View File

@ -9,6 +9,7 @@
<menu xmlns:a="http://schemas.android.com/apk/res/android">
<item a:id="@+id/history_menu_clear_history"
a:title="@string/c_clear_history"/>
a:title="@string/c_clear_history"
a:showAsAction="always"/>
</menu>

677
calculatorpp/src/main/java/org/solovyev/android/calculator/history/AbstractCalculatorHistoryFragment.java
View File

@ -1,319 +1,358 @@
/*
* 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.calculator.history;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import com.actionbarsherlock.app.SherlockListFragment;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.*;
import org.solovyev.android.calculator.about.CalculatorFragmentType;
import org.solovyev.android.calculator.jscl.JsclOperation;
import org.solovyev.android.menu.AMenuBuilder;
import org.solovyev.android.menu.MenuImpl;
import org.solovyev.common.collections.CollectionsUtils;
import org.solovyev.common.equals.Equalizer;
import org.solovyev.common.filter.Filter;
import org.solovyev.common.filter.FilterRule;
import org.solovyev.common.filter.FilterRulesChain;
import org.solovyev.common.text.StringUtils;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
/**
* User: serso
* Date: 10/15/11
* Time: 1:13 PM
*/
public abstract class AbstractCalculatorHistoryFragment extends SherlockListFragment implements CalculatorEventListener {
/*
**********************************************************************
*
* CONSTANTS
*
**********************************************************************
*/
@NotNull
private static final String TAG = "CalculatorHistoryFragment";
public static final Comparator<CalculatorHistoryState> COMPARATOR = new Comparator<CalculatorHistoryState>() {
@Override
public int compare(CalculatorHistoryState state1, CalculatorHistoryState state2) {
if (state1.isSaved() == state2.isSaved()) {
long l = state2.getTime() - state1.getTime();
return l > 0l ? 1 : (l < 0l ? -1 : 0);
} else if (state1.isSaved()) {
return -1;
} else if (state2.isSaved()) {
return 1;
}
return 0;
}
};
/*
**********************************************************************
*
* FIELDS
*
**********************************************************************
*/
@NotNull
private ArrayAdapter<CalculatorHistoryState> adapter;
@NotNull
private CalculatorFragmentHelper fragmentHelper;
protected AbstractCalculatorHistoryFragment(@NotNull CalculatorFragmentType fragmentType) {
fragmentHelper = CalculatorApplication.getInstance().createFragmentHelper(fragmentType.getDefaultLayoutId(), fragmentType.getDefaultTitleResId(), false);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
fragmentHelper.onCreate(this);
logDebug("onCreate");
}
private int logDebug(@NotNull String msg) {
return Log.d(TAG + ": " + getTag(), msg);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return fragmentHelper.onCreateView(this, inflater, container);
}
@Override
public void onViewCreated(View root, Bundle savedInstanceState) {
super.onViewCreated(root, savedInstanceState);
logDebug("onViewCreated");
fragmentHelper.onViewCreated(this, root);
adapter = new HistoryArrayAdapter(this.getActivity(), getItemLayoutId(), R.id.history_item, new ArrayList<CalculatorHistoryState>());
setListAdapter(adapter);
final ListView lv = getListView();
lv.setTextFilterEnabled(true);
lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
public void onItemClick(final AdapterView<?> parent,
final View view,
final int position,
final long id) {
useHistoryItem((CalculatorHistoryState) parent.getItemAtPosition(position));
}
});
lv.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, final int position, long id) {
final CalculatorHistoryState historyState = (CalculatorHistoryState) parent.getItemAtPosition(position);
final Context context = getActivity();
final HistoryItemMenuData data = new HistoryItemMenuData(historyState, adapter);
final List<HistoryItemMenuItem> menuItems = CollectionsUtils.asList(HistoryItemMenuItem.values());
if (historyState.isSaved()) {
menuItems.remove(HistoryItemMenuItem.save);
} else {
if (isAlreadySaved(historyState)) {
menuItems.remove(HistoryItemMenuItem.save);
}
menuItems.remove(HistoryItemMenuItem.remove);
menuItems.remove(HistoryItemMenuItem.edit);
}
if (historyState.getDisplayState().isValid() && StringUtils.isEmpty(historyState.getDisplayState().getEditorState().getText())) {
menuItems.remove(HistoryItemMenuItem.copy_result);
}
final AMenuBuilder<HistoryItemMenuItem, HistoryItemMenuData> menuBuilder = AMenuBuilder.newInstance(context, MenuImpl.newInstance(menuItems));
menuBuilder.create(data).show();
return true;
}
});
}
@Override
public void onResume() {
super.onResume();
this.fragmentHelper.onResume(this);
updateAdapter();
}
@Override
public void onPause() {
this.fragmentHelper.onPause(this);
super.onPause();
}
@Override
public void onDestroy() {
logDebug("onDestroy");
fragmentHelper.onDestroy(this);
super.onDestroy();
}
protected abstract int getItemLayoutId();
private void updateAdapter() {
final List<CalculatorHistoryState> historyList = getHistoryList();
final ArrayAdapter<CalculatorHistoryState> adapter = getAdapter();
try {
adapter.setNotifyOnChange(false);
adapter.clear();
for (CalculatorHistoryState historyState : historyList) {
adapter.add(historyState);
}
} finally {
adapter.setNotifyOnChange(true);
}
adapter.notifyDataSetChanged();
}
public static boolean isAlreadySaved(@NotNull CalculatorHistoryState historyState) {
assert !historyState.isSaved();
boolean result = false;
try {
historyState.setSaved(true);
if ( CollectionsUtils.contains(historyState, CalculatorLocatorImpl.getInstance().getHistory().getSavedHistory(), new Equalizer<CalculatorHistoryState>() {
@Override
public boolean equals(@Nullable CalculatorHistoryState first, @Nullable CalculatorHistoryState second) {
return first != null && second != null &&
first.getTime() == second.getTime() &&
first.getDisplayState().equals(second.getDisplayState()) &&
first.getEditorState().equals(second.getEditorState());
}
}) ) {
result = true;
}
} finally {
historyState.setSaved(false);
}
return result;
}
public static void useHistoryItem(@NotNull final CalculatorHistoryState historyState) {
CalculatorLocatorImpl.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.use_history_state, historyState);
}
@NotNull
private List<CalculatorHistoryState> getHistoryList() {
final List<CalculatorHistoryState> calculatorHistoryStates = getHistoryItems();
Collections.sort(calculatorHistoryStates, COMPARATOR);
final FilterRulesChain<CalculatorHistoryState> filterRulesChain = new FilterRulesChain<CalculatorHistoryState>();
filterRulesChain.addFilterRule(new FilterRule<CalculatorHistoryState>() {
@Override
public boolean isFiltered(CalculatorHistoryState object) {
return object == null || StringUtils.isEmpty(object.getEditorState().getText());
}
});
new Filter<CalculatorHistoryState>(filterRulesChain).filter(calculatorHistoryStates.iterator());
return calculatorHistoryStates;
}
@NotNull
protected abstract List<CalculatorHistoryState> getHistoryItems();
@NotNull
public static String getHistoryText(@NotNull CalculatorHistoryState state) {
final StringBuilder result = new StringBuilder();
result.append(state.getEditorState().getText());
result.append(getIdentitySign(state.getDisplayState().getJsclOperation()));
final String expressionResult = state.getDisplayState().getEditorState().getText();
if (expressionResult != null) {
result.append(expressionResult);
}
return result.toString();
}
@NotNull
private static String getIdentitySign(@NotNull JsclOperation jsclOperation) {
return jsclOperation == JsclOperation.simplify ? "≡" : "=";
}
// todo serso: menu
/* @Override
public boolean onCreateOptionsMenu(android.view.Menu menu) {
final MenuInflater menuInflater = getMenuInflater();
menuInflater.inflate(R.menu.history_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
boolean result;
switch (item.getItemId()) {
case R.id.history_menu_clear_history:
clearHistory();
result = true;
break;
default:
result = super.onOptionsItemSelected(item);
}
return result;
}*/
protected abstract void clearHistory();
@NotNull
protected ArrayAdapter<CalculatorHistoryState> getAdapter() {
return adapter;
}
@Override
public void onCalculatorEvent(@NotNull CalculatorEventData calculatorEventData, @NotNull CalculatorEventType calculatorEventType, @Nullable Object data) {
if ( calculatorEventType == CalculatorEventType.history_state_added ) {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
logDebug("onCalculatorEvent");
updateAdapter();
}
});
}
}
}
/*
* 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.calculator.history;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import com.actionbarsherlock.app.SherlockListFragment;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.*;
import org.solovyev.android.calculator.about.CalculatorFragmentType;
import org.solovyev.android.calculator.jscl.JsclOperation;
import org.solovyev.android.menu.*;
import org.solovyev.android.sherlock.menu.SherlockMenuHelper;
import org.solovyev.common.collections.CollectionsUtils;
import org.solovyev.common.equals.Equalizer;
import org.solovyev.common.filter.Filter;
import org.solovyev.common.filter.FilterRule;
import org.solovyev.common.filter.FilterRulesChain;
import org.solovyev.common.text.StringUtils;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
/**
* User: serso
* Date: 10/15/11
* Time: 1:13 PM
*/
public abstract class AbstractCalculatorHistoryFragment extends SherlockListFragment implements CalculatorEventListener {
/*
**********************************************************************
*
* CONSTANTS
*
**********************************************************************
*/
@NotNull
private static final String TAG = "CalculatorHistoryFragment";
public static final Comparator<CalculatorHistoryState> COMPARATOR = new Comparator<CalculatorHistoryState>() {
@Override
public int compare(CalculatorHistoryState state1, CalculatorHistoryState state2) {
if (state1.isSaved() == state2.isSaved()) {
long l = state2.getTime() - state1.getTime();
return l > 0l ? 1 : (l < 0l ? -1 : 0);
} else if (state1.isSaved()) {
return -1;
} else if (state2.isSaved()) {
return 1;
}
return 0;
}
};
/*
**********************************************************************
*
* FIELDS
*
**********************************************************************
*/
@NotNull
private ArrayAdapter<CalculatorHistoryState> adapter;
@NotNull
private CalculatorFragmentHelper fragmentHelper;
private ActivityMenu<Menu, MenuItem> menu = ListActivityMenu.fromResource(org.solovyev.android.calculator.R.menu.history_menu, HistoryMenu.class, SherlockMenuHelper.getInstance());
protected AbstractCalculatorHistoryFragment(@NotNull CalculatorFragmentType fragmentType) {
fragmentHelper = CalculatorApplication.getInstance().createFragmentHelper(fragmentType.getDefaultLayoutId(), fragmentType.getDefaultTitleResId(), false);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
fragmentHelper.onCreate(this);
setHasOptionsMenu(true);
logDebug("onCreate");
}
private int logDebug(@NotNull String msg) {
return Log.d(TAG + ": " + getTag(), msg);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return fragmentHelper.onCreateView(this, inflater, container);
}
@Override
public void onViewCreated(View root, Bundle savedInstanceState) {
super.onViewCreated(root, savedInstanceState);
logDebug("onViewCreated");
fragmentHelper.onViewCreated(this, root);
adapter = new HistoryArrayAdapter(this.getActivity(), getItemLayoutId(), org.solovyev.android.calculator.R.id.history_item, new ArrayList<CalculatorHistoryState>());
setListAdapter(adapter);
final ListView lv = getListView();
lv.setTextFilterEnabled(true);
lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
public void onItemClick(final AdapterView<?> parent,
final View view,
final int position,
final long id) {
useHistoryItem((CalculatorHistoryState) parent.getItemAtPosition(position));
}
});
lv.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, final int position, long id) {
final CalculatorHistoryState historyState = (CalculatorHistoryState) parent.getItemAtPosition(position);
final Context context = getActivity();
final HistoryItemMenuData data = new HistoryItemMenuData(historyState, adapter);
final List<HistoryItemMenuItem> menuItems = CollectionsUtils.asList(HistoryItemMenuItem.values());
if (historyState.isSaved()) {
menuItems.remove(HistoryItemMenuItem.save);
} else {
if (isAlreadySaved(historyState)) {
menuItems.remove(HistoryItemMenuItem.save);
}
menuItems.remove(HistoryItemMenuItem.remove);
menuItems.remove(HistoryItemMenuItem.edit);
}
if (historyState.getDisplayState().isValid() && StringUtils.isEmpty(historyState.getDisplayState().getEditorState().getText())) {
menuItems.remove(HistoryItemMenuItem.copy_result);
}
final AMenuBuilder<HistoryItemMenuItem, HistoryItemMenuData> menuBuilder = AMenuBuilder.newInstance(context, MenuImpl.newInstance(menuItems));
menuBuilder.create(data).show();
return true;
}
});
}
@Override
public void onResume() {
super.onResume();
this.fragmentHelper.onResume(this);
updateAdapter();
}
@Override
public void onPause() {
this.fragmentHelper.onPause(this);
super.onPause();
}
@Override
public void onDestroy() {
logDebug("onDestroy");
fragmentHelper.onDestroy(this);
super.onDestroy();
}
protected abstract int getItemLayoutId();
private void updateAdapter() {
final List<CalculatorHistoryState> historyList = getHistoryList();
final ArrayAdapter<CalculatorHistoryState> adapter = getAdapter();
try {
adapter.setNotifyOnChange(false);
adapter.clear();
for (CalculatorHistoryState historyState : historyList) {
adapter.add(historyState);
}
} finally {
adapter.setNotifyOnChange(true);
}
adapter.notifyDataSetChanged();
}
public static boolean isAlreadySaved(@NotNull CalculatorHistoryState historyState) {
assert !historyState.isSaved();
boolean result = false;
try {
historyState.setSaved(true);
if ( CollectionsUtils.contains(historyState, CalculatorLocatorImpl.getInstance().getHistory().getSavedHistory(), new Equalizer<CalculatorHistoryState>() {
@Override
public boolean equals(@Nullable CalculatorHistoryState first, @Nullable CalculatorHistoryState second) {
return first != null && second != null &&
first.getTime() == second.getTime() &&
first.getDisplayState().equals(second.getDisplayState()) &&
first.getEditorState().equals(second.getEditorState());
}
}) ) {
result = true;
}
} finally {
historyState.setSaved(false);
}
return result;
}
public static void useHistoryItem(@NotNull final CalculatorHistoryState historyState) {
CalculatorLocatorImpl.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.use_history_state, historyState);
}
@NotNull
private List<CalculatorHistoryState> getHistoryList() {
final List<CalculatorHistoryState> calculatorHistoryStates = getHistoryItems();
Collections.sort(calculatorHistoryStates, COMPARATOR);
final FilterRulesChain<CalculatorHistoryState> filterRulesChain = new FilterRulesChain<CalculatorHistoryState>();
filterRulesChain.addFilterRule(new FilterRule<CalculatorHistoryState>() {
@Override
public boolean isFiltered(CalculatorHistoryState object) {
return object == null || StringUtils.isEmpty(object.getEditorState().getText());
}
});
new Filter<CalculatorHistoryState>(filterRulesChain).filter(calculatorHistoryStates.iterator());
return calculatorHistoryStates;
}
@NotNull
protected abstract List<CalculatorHistoryState> getHistoryItems();
@NotNull
public static String getHistoryText(@NotNull CalculatorHistoryState state) {
final StringBuilder result = new StringBuilder();
result.append(state.getEditorState().getText());
result.append(getIdentitySign(state.getDisplayState().getJsclOperation()));
final String expressionResult = state.getDisplayState().getEditorState().getText();
if (expressionResult != null) {
result.append(expressionResult);
}
return result.toString();
}
@NotNull
private static String getIdentitySign(@NotNull JsclOperation jsclOperation) {
return jsclOperation == JsclOperation.simplify ? "≡" : "=";
}
protected abstract void clearHistory();
@NotNull
protected ArrayAdapter<CalculatorHistoryState> getAdapter() {
return adapter;
}
@Override
public void onCalculatorEvent(@NotNull CalculatorEventData calculatorEventData, @NotNull CalculatorEventType calculatorEventType, @Nullable Object data) {
switch (calculatorEventType) {
case history_state_added:
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
logDebug("onCalculatorEvent");
updateAdapter();
}
});
break;
case clear_history_requested:
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
clearHistory();
}
});
break;
}
}
/*
**********************************************************************
*
* MENU
*
**********************************************************************
*/
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
this.menu.onCreateOptionsMenu(this.getActivity(), menu);
}
@Override
public void onPrepareOptionsMenu(Menu menu) {
this.menu.onPrepareOptionsMenu(this.getActivity(), menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
return this.menu.onOptionsItemSelected(this.getActivity(), item);
}
private static enum HistoryMenu implements IdentifiableMenuItem<MenuItem> {
clear_history(org.solovyev.android.calculator.R.id.history_menu_clear_history) {
@Override
public void onClick(@NotNull MenuItem data, @NotNull Context context) {
CalculatorLocatorImpl.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.clear_history_requested, null);
}
};
private final int itemId;
HistoryMenu(int itemId) {
this.itemId = itemId;
}
@NotNull
@Override
public Integer getItemId() {
return this.itemId;
}
}
}