src/com/android/settings/UserDictionarySettings.java - platform/packages/apps/Settings - Git at Google

 /**
  * Copyright (C) 2009 Google Inc.
  *
  * 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 com.android.settings;

 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.app.ListActivity;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.database.Cursor;
 import android.os.Bundle;
 import android.provider.UserDictionary;
 import android.text.InputType;
 import android.view.ContextMenu;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.WindowManager;
 import android.view.ContextMenu.ContextMenuInfo;
 import android.widget.AlphabetIndexer;
 import android.widget.EditText;
 import android.widget.ListAdapter;
 import android.widget.ListView;
 import android.widget.SectionIndexer;
 import android.widget.SimpleCursorAdapter;
 import android.widget.TextView;
 import android.widget.AdapterView.AdapterContextMenuInfo;

 import java.util.Locale;

 public class UserDictionarySettings extends ListActivity {

     private static final String INSTANCE_KEY_DIALOG_EDITING_WORD = "DIALOG_EDITING_WORD";
     private static final String INSTANCE_KEY_ADDED_WORD = "DIALOG_ADDED_WORD";

     private static final String[] QUERY_PROJECTION = {
         UserDictionary.Words._ID, UserDictionary.Words.WORD
     };

     // Either the locale is empty (means the word is applicable to all locales)
     // or the word equals our current locale
     private static final String QUERY_SELECTION = UserDictionary.Words.LOCALE + "=? OR "
             + UserDictionary.Words.LOCALE + " is null";

     private static final String DELETE_SELECTION = UserDictionary.Words.WORD + "=?";

     private static final String EXTRA_WORD = "word";

     private static final int CONTEXT_MENU_EDIT = Menu.FIRST;
     private static final int CONTEXT_MENU_DELETE = Menu.FIRST + 1;

     private static final int OPTIONS_MENU_ADD = Menu.FIRST;

     private static final int DIALOG_ADD_OR_EDIT = 0;

     /** The word being edited in the dialog (null means the user is adding a word). */
     private String mDialogEditingWord;

     private Cursor mCursor;

     private boolean mAddedWordAlready;
     private boolean mAutoReturn;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

         setContentView(R.layout.list_content_with_empty_view);

         mCursor = createCursor();
         setListAdapter(createAdapter());

         TextView emptyView = (TextView) findViewById(R.id.empty);
         emptyView.setText(R.string.user_dict_settings_empty_text);

         ListView listView = getListView();
         listView.setFastScrollEnabled(true);
         listView.setEmptyView(emptyView);

         registerForContextMenu(listView);
     }

     @Override
     protected void onResume() {
         super.onResume();
         if (!mAddedWordAlready
                 && getIntent().getAction().equals("com.android.settings.USER_DICTIONARY_INSERT")) {
             String word = getIntent().getStringExtra(EXTRA_WORD);
             mAutoReturn = true;
             if (word != null) {
                 showAddOrEditDialog(word);
             }
         }
     }
     @Override
     protected void onRestoreInstanceState(Bundle state) {
         super.onRestoreInstanceState(state);
         mDialogEditingWord = state.getString(INSTANCE_KEY_DIALOG_EDITING_WORD);
         mAddedWordAlready = state.getBoolean(INSTANCE_KEY_ADDED_WORD, false);
     }

     @Override
     protected void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
         outState.putString(INSTANCE_KEY_DIALOG_EDITING_WORD, mDialogEditingWord);
         outState.putBoolean(INSTANCE_KEY_ADDED_WORD, mAddedWordAlready);
     }

     private Cursor createCursor() {
         String currentLocale = Locale.getDefault().toString();
         // Case-insensitive sort
         return managedQuery(UserDictionary.Words.CONTENT_URI, QUERY_PROJECTION,
                 QUERY_SELECTION, new String[] { currentLocale },
                 "UPPER(" + UserDictionary.Words.WORD + ")");
     }

     private ListAdapter createAdapter() {
         return new MyAdapter(this,
                 android.R.layout.simple_list_item_1, mCursor,
                 new String[] { UserDictionary.Words.WORD },
                 new int[] { android.R.id.text1 });
     }

     @Override
     protected void onListItemClick(ListView l, View v, int position, long id) {
         openContextMenu(v);
     }

     @Override
     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
         if (!(menuInfo instanceof AdapterContextMenuInfo)) return;

         AdapterContextMenuInfo adapterMenuInfo = (AdapterContextMenuInfo) menuInfo;
         menu.setHeaderTitle(getWord(adapterMenuInfo.position));
         menu.add(0, CONTEXT_MENU_EDIT, 0,
                 R.string.user_dict_settings_context_menu_edit_title);
         menu.add(0, CONTEXT_MENU_DELETE, 0,
                 R.string.user_dict_settings_context_menu_delete_title);
     }

     @Override
     public boolean onContextItemSelected(MenuItem item) {
         ContextMenuInfo menuInfo = item.getMenuInfo();
         if (!(menuInfo instanceof AdapterContextMenuInfo)) return false;

         AdapterContextMenuInfo adapterMenuInfo = (AdapterContextMenuInfo) menuInfo;
         String word = getWord(adapterMenuInfo.position);
         if (word == null) return true;

         switch (item.getItemId()) {
             case CONTEXT_MENU_DELETE:
                 deleteWord(word);
                 return true;

             case CONTEXT_MENU_EDIT:
                 showAddOrEditDialog(word);
                 return true;
         }

         return false;
     }

     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         menu.add(0, OPTIONS_MENU_ADD, 0, R.string.user_dict_settings_add_menu_title)
                 .setIcon(R.drawable.ic_menu_add);
         return true;
     }

     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         showAddOrEditDialog(null);
         return true;
     }

     private void showAddOrEditDialog(String editingWord) {
         mDialogEditingWord = editingWord;
         showDialog(DIALOG_ADD_OR_EDIT);
     }

     private String getWord(int position) {
         mCursor.moveToPosition(position);
         // Handle a possible race-condition
         if (mCursor.isAfterLast()) return null;

         return mCursor.getString(
                 mCursor.getColumnIndexOrThrow(UserDictionary.Words.WORD));
     }

     @Override
     protected Dialog onCreateDialog(int id) {
         View content = getLayoutInflater().inflate(R.layout.dialog_edittext, null);
         final EditText editText = (EditText) content.findViewById(R.id.edittext);
         // No prediction in soft keyboard mode. TODO: Create a better way to disable prediction
         editText.setInputType(InputType.TYPE_CLASS_TEXT
                 | InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE);

         AlertDialog dialog =  new AlertDialog.Builder(this)
                 .setTitle(mDialogEditingWord != null
                         ? R.string.user_dict_settings_edit_dialog_title
                         : R.string.user_dict_settings_add_dialog_title)
                 .setView(content)
                 .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                     public void onClick(DialogInterface dialog, int which) {
                         onAddOrEditFinished(editText.getText().toString());
                         if (mAutoReturn) finish();
                     }})
                 .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
                     public void onClick(DialogInterface dialog, int which) {
                         if (mAutoReturn) finish();
                     }})
                 .create();
         dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE |
                 WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
         return dialog;
     }

     @Override
     protected void onPrepareDialog(int id, Dialog d) {
         AlertDialog dialog = (AlertDialog) d;
         d.setTitle(mDialogEditingWord != null
                         ? R.string.user_dict_settings_edit_dialog_title
                         : R.string.user_dict_settings_add_dialog_title);
         EditText editText = (EditText) dialog.findViewById(R.id.edittext);
         editText.setText(mDialogEditingWord);
     }

     private void onAddOrEditFinished(String word) {
         if (mDialogEditingWord != null) {
             // The user was editing a word, so do a delete/add
             deleteWord(mDialogEditingWord);
         }

         // Disallow duplicates
         deleteWord(word);

         // TODO: present UI for picking whether to add word to all locales, or current.
         UserDictionary.Words.addWord(this, word.toString(),
                 250, UserDictionary.Words.LOCALE_TYPE_ALL);
         mCursor.requery();
         mAddedWordAlready = true;
     }

     private void deleteWord(String word) {
         getContentResolver().delete(UserDictionary.Words.CONTENT_URI, DELETE_SELECTION,
                 new String[] { word });
     }

     private static class MyAdapter extends SimpleCursorAdapter implements SectionIndexer {
         private AlphabetIndexer mIndexer;

         public MyAdapter(Context context, int layout, Cursor c, String[] from, int[] to) {
             super(context, layout, c, from, to);

             int wordColIndex = c.getColumnIndexOrThrow(UserDictionary.Words.WORD);
             String alphabet = context.getString(com.android.internal.R.string.fast_scroll_alphabet);
             mIndexer = new AlphabetIndexer(c, wordColIndex, alphabet);
         }

         public int getPositionForSection(int section) {
             return mIndexer.getPositionForSection(section);
         }

         public int getSectionForPosition(int position) {
             return mIndexer.getSectionForPosition(position);
         }

         public Object[] getSections() {
             return mIndexer.getSections();
         }
     }
 }
	/**
	* Copyright (C) 2009 Google Inc.
	*
	* 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 com.android.settings;

	import android.app.AlertDialog;
	import android.app.Dialog;
	import android.app.ListActivity;
	import android.content.Context;
	import android.content.DialogInterface;
	import android.database.Cursor;
	import android.os.Bundle;
	import android.provider.UserDictionary;
	import android.text.InputType;
	import android.view.ContextMenu;
	import android.view.Menu;
	import android.view.MenuItem;
	import android.view.View;
	import android.view.WindowManager;
	import android.view.ContextMenu.ContextMenuInfo;
	import android.widget.AlphabetIndexer;
	import android.widget.EditText;
	import android.widget.ListAdapter;
	import android.widget.ListView;
	import android.widget.SectionIndexer;
	import android.widget.SimpleCursorAdapter;
	import android.widget.TextView;
	import android.widget.AdapterView.AdapterContextMenuInfo;

	import java.util.Locale;

	public class UserDictionarySettings extends ListActivity {

	private static final String INSTANCE_KEY_DIALOG_EDITING_WORD = "DIALOG_EDITING_WORD";
	private static final String INSTANCE_KEY_ADDED_WORD = "DIALOG_ADDED_WORD";

	private static final String[] QUERY_PROJECTION = {
	UserDictionary.Words._ID, UserDictionary.Words.WORD
	};

	// Either the locale is empty (means the word is applicable to all locales)
	// or the word equals our current locale
	private static final String QUERY_SELECTION = UserDictionary.Words.LOCALE + "=? OR "
	+ UserDictionary.Words.LOCALE + " is null";

	private static final String DELETE_SELECTION = UserDictionary.Words.WORD + "=?";

	private static final String EXTRA_WORD = "word";

	private static final int CONTEXT_MENU_EDIT = Menu.FIRST;
	private static final int CONTEXT_MENU_DELETE = Menu.FIRST + 1;

	private static final int OPTIONS_MENU_ADD = Menu.FIRST;

	private static final int DIALOG_ADD_OR_EDIT = 0;

	/** The word being edited in the dialog (null means the user is adding a word). */
	private String mDialogEditingWord;

	private Cursor mCursor;

	private boolean mAddedWordAlready;
	private boolean mAutoReturn;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);

	setContentView(R.layout.list_content_with_empty_view);

	mCursor = createCursor();
	setListAdapter(createAdapter());

	TextView emptyView = (TextView) findViewById(R.id.empty);
	emptyView.setText(R.string.user_dict_settings_empty_text);

	ListView listView = getListView();
	listView.setFastScrollEnabled(true);
	listView.setEmptyView(emptyView);

	registerForContextMenu(listView);
	}

	@Override
	protected void onResume() {
	super.onResume();
	if (!mAddedWordAlready
	&& getIntent().getAction().equals("com.android.settings.USER_DICTIONARY_INSERT")) {
	String word = getIntent().getStringExtra(EXTRA_WORD);
	mAutoReturn = true;
	if (word != null) {
	showAddOrEditDialog(word);
	}
	}
	}
	@Override
	protected void onRestoreInstanceState(Bundle state) {
	super.onRestoreInstanceState(state);
	mDialogEditingWord = state.getString(INSTANCE_KEY_DIALOG_EDITING_WORD);
	mAddedWordAlready = state.getBoolean(INSTANCE_KEY_ADDED_WORD, false);
	}

	@Override
	protected void onSaveInstanceState(Bundle outState) {
	super.onSaveInstanceState(outState);
	outState.putString(INSTANCE_KEY_DIALOG_EDITING_WORD, mDialogEditingWord);
	outState.putBoolean(INSTANCE_KEY_ADDED_WORD, mAddedWordAlready);
	}

	private Cursor createCursor() {
	String currentLocale = Locale.getDefault().toString();
	// Case-insensitive sort
	return managedQuery(UserDictionary.Words.CONTENT_URI, QUERY_PROJECTION,
	QUERY_SELECTION, new String[] { currentLocale },
	"UPPER(" + UserDictionary.Words.WORD + ")");
	}

	private ListAdapter createAdapter() {
	return new MyAdapter(this,
	android.R.layout.simple_list_item_1, mCursor,
	new String[] { UserDictionary.Words.WORD },
	new int[] { android.R.id.text1 });
	}

	@Override
	protected void onListItemClick(ListView l, View v, int position, long id) {
	openContextMenu(v);
	}

	@Override
	public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
	if (!(menuInfo instanceof AdapterContextMenuInfo)) return;

	AdapterContextMenuInfo adapterMenuInfo = (AdapterContextMenuInfo) menuInfo;
	menu.setHeaderTitle(getWord(adapterMenuInfo.position));
	menu.add(0, CONTEXT_MENU_EDIT, 0,
	R.string.user_dict_settings_context_menu_edit_title);
	menu.add(0, CONTEXT_MENU_DELETE, 0,
	R.string.user_dict_settings_context_menu_delete_title);
	}

	@Override
	public boolean onContextItemSelected(MenuItem item) {
	ContextMenuInfo menuInfo = item.getMenuInfo();
	if (!(menuInfo instanceof AdapterContextMenuInfo)) return false;

	AdapterContextMenuInfo adapterMenuInfo = (AdapterContextMenuInfo) menuInfo;
	String word = getWord(adapterMenuInfo.position);
	if (word == null) return true;

	switch (item.getItemId()) {
	case CONTEXT_MENU_DELETE:
	deleteWord(word);
	return true;

	case CONTEXT_MENU_EDIT:
	showAddOrEditDialog(word);
	return true;
	}

	return false;
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
	menu.add(0, OPTIONS_MENU_ADD, 0, R.string.user_dict_settings_add_menu_title)
	.setIcon(R.drawable.ic_menu_add);
	return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
	showAddOrEditDialog(null);
	return true;
	}

	private void showAddOrEditDialog(String editingWord) {
	mDialogEditingWord = editingWord;
	showDialog(DIALOG_ADD_OR_EDIT);
	}

	private String getWord(int position) {
	mCursor.moveToPosition(position);
	// Handle a possible race-condition
	if (mCursor.isAfterLast()) return null;

	return mCursor.getString(
	mCursor.getColumnIndexOrThrow(UserDictionary.Words.WORD));
	}

	@Override
	protected Dialog onCreateDialog(int id) {
	View content = getLayoutInflater().inflate(R.layout.dialog_edittext, null);
	final EditText editText = (EditText) content.findViewById(R.id.edittext);
	// No prediction in soft keyboard mode. TODO: Create a better way to disable prediction
	editText.setInputType(InputType.TYPE_CLASS_TEXT
	\| InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE);

	AlertDialog dialog = new AlertDialog.Builder(this)
	.setTitle(mDialogEditingWord != null
	? R.string.user_dict_settings_edit_dialog_title
	: R.string.user_dict_settings_add_dialog_title)
	.setView(content)
	.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
	public void onClick(DialogInterface dialog, int which) {
	onAddOrEditFinished(editText.getText().toString());
	if (mAutoReturn) finish();
	}})
	.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
	public void onClick(DialogInterface dialog, int which) {
	if (mAutoReturn) finish();
	}})
	.create();
	dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE \|
	WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
	return dialog;
	}

	@Override
	protected void onPrepareDialog(int id, Dialog d) {
	AlertDialog dialog = (AlertDialog) d;
	d.setTitle(mDialogEditingWord != null
	? R.string.user_dict_settings_edit_dialog_title
	: R.string.user_dict_settings_add_dialog_title);
	EditText editText = (EditText) dialog.findViewById(R.id.edittext);
	editText.setText(mDialogEditingWord);
	}

	private void onAddOrEditFinished(String word) {
	if (mDialogEditingWord != null) {
	// The user was editing a word, so do a delete/add
	deleteWord(mDialogEditingWord);
	}

	// Disallow duplicates
	deleteWord(word);

	// TODO: present UI for picking whether to add word to all locales, or current.
	UserDictionary.Words.addWord(this, word.toString(),
	250, UserDictionary.Words.LOCALE_TYPE_ALL);
	mCursor.requery();
	mAddedWordAlready = true;
	}

	private void deleteWord(String word) {
	getContentResolver().delete(UserDictionary.Words.CONTENT_URI, DELETE_SELECTION,
	new String[] { word });
	}

	private static class MyAdapter extends SimpleCursorAdapter implements SectionIndexer {
	private AlphabetIndexer mIndexer;

	public MyAdapter(Context context, int layout, Cursor c, String[] from, int[] to) {
	super(context, layout, c, from, to);

	int wordColIndex = c.getColumnIndexOrThrow(UserDictionary.Words.WORD);
	String alphabet = context.getString(com.android.internal.R.string.fast_scroll_alphabet);
	mIndexer = new AlphabetIndexer(c, wordColIndex, alphabet);
	}

	public int getPositionForSection(int section) {
	return mIndexer.getPositionForSection(section);
	}

	public int getSectionForPosition(int position) {
	return mIndexer.getSectionForPosition(position);
	}

	public Object[] getSections() {
	return mIndexer.getSections();
	}
	}
	}