src/com/hughes/android/dictionary/DictionaryActivity.java

   1 // Copyright 2011 Google Inc. All Rights Reserved.
   2 // Some Parts Copyright 2013 Dominik Köppl
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 package com.hughes.android.dictionary;
  16
  17 import android.annotation.SuppressLint;
  18 import android.app.Dialog;
  19 import android.app.SearchManager;
  20 import android.content.Context;
  21 import android.content.Intent;
  22 import android.content.SharedPreferences;
  23 import android.graphics.Color;
  24 import android.graphics.Typeface;
  25 import android.net.Uri;
  26 import android.os.Bundle;
  27 import android.os.Handler;
  28 import android.preference.PreferenceManager;
  29 import android.speech.tts.TextToSpeech;
  30 import android.speech.tts.TextToSpeech.OnInitListener;
  31 import android.support.design.widget.FloatingActionButton;
  32 import android.support.v4.view.MenuItemCompat;
  33 import android.support.v7.app.ActionBar;
  34 import android.support.v7.app.ActionBarActivity;
  35 import android.support.v7.widget.SearchView;
  36 import android.support.v7.widget.SearchView.OnQueryTextListener;
  37 import android.support.v7.widget.Toolbar;
  38 import android.text.ClipboardManager;
  39 import android.text.InputType;
  40 import android.text.Spannable;
  41 import android.text.method.LinkMovementMethod;
  42 import android.text.style.ClickableSpan;
  43 import android.text.style.StyleSpan;
  44 import android.util.Log;
  45 import android.util.TypedValue;
  46 import android.view.ContextMenu;
  47 import android.view.ContextMenu.ContextMenuInfo;
  48 import android.view.Gravity;
  49 import android.view.KeyEvent;
  50 import android.view.Menu;
  51 import android.view.MenuItem;
  52 import android.view.MenuItem.OnMenuItemClickListener;
  53 import android.view.MotionEvent;
  54 import android.view.View;
  55 import android.view.View.OnClickListener;
  56 import android.view.View.OnLongClickListener;
  57 import android.view.ViewGroup;
  58 import android.view.WindowManager;
  59 import android.view.inputmethod.EditorInfo;
  60 import android.view.inputmethod.InputMethodManager;
  61 import android.widget.AdapterView;
  62 import android.widget.AdapterView.AdapterContextMenuInfo;
  63 import android.widget.AdapterView.OnItemClickListener;
  64 import android.widget.BaseAdapter;
  65 import android.widget.Button;
  66 import android.widget.FrameLayout;
  67 import android.widget.ImageButton;
  68 import android.widget.ImageView;
  69 import android.widget.ImageView.ScaleType;
  70 import android.widget.LinearLayout;
  71 import android.widget.ListAdapter;
  72 import android.widget.ListView;
  73 import android.widget.TableLayout;
  74 import android.widget.TableRow;
  75 import android.widget.TextView;
  76 import android.widget.TextView.BufferType;
  77 import android.widget.Toast;
  78
  79 import com.hughes.android.dictionary.DictionaryInfo.IndexInfo;
  80 import com.hughes.android.dictionary.engine.Dictionary;
  81 import com.hughes.android.dictionary.engine.EntrySource;
  82 import com.hughes.android.dictionary.engine.HtmlEntry;
  83 import com.hughes.android.dictionary.engine.Index;
  84 import com.hughes.android.dictionary.engine.Index.IndexEntry;
  85 import com.hughes.android.dictionary.engine.Language.LanguageResources;
  86 import com.hughes.android.dictionary.engine.PairEntry;
  87 import com.hughes.android.dictionary.engine.PairEntry.Pair;
  88 import com.hughes.android.dictionary.engine.RowBase;
  89 import com.hughes.android.dictionary.engine.TokenRow;
  90 import com.hughes.android.dictionary.engine.TransliteratorManager;
  91 import com.hughes.android.util.IntentLauncher;
  92 import com.hughes.android.util.NonLinkClickableSpan;
  93 import com.hughes.util.StringUtil;
  94
  95 import java.io.File;
  96 import java.io.FileWriter;
  97 import java.io.IOException;
  98 import java.io.PrintWriter;
  99 import java.io.RandomAccessFile;
 100 import java.text.SimpleDateFormat;
 101 import java.util.Arrays;
 102 import java.util.Collections;
 103 import java.util.Date;
 104 import java.util.HashMap;
 105 import java.util.LinkedHashSet;
 106 import java.util.List;
 107 import java.util.Locale;
 108 import java.util.Random;
 109 import java.util.Set;
 110 import java.util.concurrent.Executor;
 111 import java.util.concurrent.ExecutorService;
 112 import java.util.concurrent.Executors;
 113 import java.util.concurrent.ThreadFactory;
 114 import java.util.concurrent.atomic.AtomicBoolean;
 115 import java.util.regex.Matcher;
 116 import java.util.regex.Pattern;
 117
 118 public class DictionaryActivity extends ActionBarActivity {
 119
 120     static final String LOG = "QuickDic";
 121
 122     DictionaryApplication application;
 123
 124     File dictFile = null;
 125     RandomAccessFile dictRaf = null;
 126
 127     Dictionary dictionary = null;
 128
 129     int indexIndex = 0;
 130
 131     Index index = null;
 132
 133     List<RowBase> rowsToShow = null; // if not null, just show these rows.
 134
 135     final Random rand = new Random();
 136
 137     final Handler uiHandler = new Handler();
 138
 139     private final ExecutorService searchExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
 140         @Override
 141         public Thread newThread(Runnable r) {
 142             return new Thread(r, "searchExecutor");
 143         }
 144     });
 145
 146     private SearchOperation currentSearchOperation = null;
 147
 148     TextToSpeech textToSpeech;
 149     volatile boolean ttsReady;
 150
 151     Typeface typeface;
 152     DictionaryApplication.Theme theme = DictionaryApplication.Theme.LIGHT;
 153     int textColorFg = Color.BLACK;
 154     int fontSizeSp;
 155
 156     private ListView listView;
 157     private ListView getListView() {
 158         if (listView == null) {
 159             listView = (ListView)findViewById(android.R.id.list);
 160         }
 161         return listView;
 162     }
 163
 164     private void setListAdapter(ListAdapter adapter) {
 165         getListView().setAdapter(adapter);
 166     }
 167
 168     private ListAdapter getListAdapter() {
 169         return getListView().getAdapter();
 170     }
 171
 172     SearchView searchView;
 173     ImageButton languageButton;
 174     SearchView.OnQueryTextListener onQueryTextListener;
 175
 176     MenuItem nextWordMenuItem, previousWordMenuItem, randomWordMenuItem;
 177
 178     // Never null.
 179     private File wordList = null;
 180     private boolean saveOnlyFirstSubentry = false;
 181     private boolean clickOpensContextMenu = false;
 182
 183     // Visible for testing.
 184     ListAdapter indexAdapter = null;
 185
 186     /**
 187      * For some languages, loading the transliterators used in this search takes
 188      * a long time, so we fire it up on a different thread, and don't invoke it
 189      * from the main thread until it's already finished once.
 190      */
 191     private volatile boolean indexPrepFinished = false;
 192
 193     public DictionaryActivity() {
 194     }
 195
 196     public static Intent getLaunchIntent(Context c, final File dictFile, final String indexShortName,
 197             final String searchToken) {
 198         final Intent intent = new Intent(c, DictionaryActivity.class);
 199         intent.putExtra(C.DICT_FILE, dictFile.getPath());
 200         intent.putExtra(C.INDEX_SHORT_NAME, indexShortName);
 201         intent.putExtra(C.SEARCH_TOKEN, searchToken);
 202         intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);
 203         return intent;
 204     }
 205
 206     @Override
 207     protected void onSaveInstanceState(final Bundle outState) {
 208         super.onSaveInstanceState(outState);
 209         Log.d(LOG, "onSaveInstanceState: " + searchView.getQuery().toString());
 210         outState.putString(C.INDEX_SHORT_NAME, index.shortName);
 211         outState.putString(C.SEARCH_TOKEN, searchView.getQuery().toString());
 212     }
 213
 214     private int getMatchLen(String search, Index.IndexEntry e)
 215     {
 216         if (e == null) return 0;
 217         for (int i = 0; i < search.length(); ++i)
 218         {
 219             String a = search.substring(0, i + 1);
 220             String b = e.token.substring(0, i + 1);
 221             if (!a.equalsIgnoreCase(b))
 222                 return i;
 223         }
 224         return search.length();
 225     }
 226
 227     @Override
 228     public void onCreate(Bundle savedInstanceState) {
 229         // This needs to be before super.onCreate, otherwise ActionbarSherlock
 230         // doesn't makes the background of the actionbar white when you're
 231         // in the dark theme.
 232         setTheme(((DictionaryApplication) getApplication()).getSelectedTheme().themeId);
 233
 234         Log.d(LOG, "onCreate:" + this);
 235         super.onCreate(savedInstanceState);
 236
 237         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 238
 239         // Don't auto-launch if this fails.
 240         prefs.edit().remove(C.DICT_FILE).commit();
 241
 242         setContentView(R.layout.dictionary_activity);
 243
 244         application = (DictionaryApplication) getApplication();
 245         theme = application.getSelectedTheme();
 246         textColorFg = getResources().getColor(theme.tokenRowFgColor);
 247
 248         final Intent intent = getIntent();
 249         String intentAction = intent.getAction();
 250         /**
 251          * @author Dominik Köppl Querying the Intent
 252          *         com.hughes.action.ACTION_SEARCH_DICT is the advanced query
 253          *         Arguments: SearchManager.QUERY -> the phrase to search from
 254          *         -> language in which the phrase is written to -> to which
 255          *         language shall be translated
 256          */
 257         if (intentAction != null && intentAction.equals("com.hughes.action.ACTION_SEARCH_DICT"))
 258         {
 259             String query = intent.getStringExtra(SearchManager.QUERY);
 260             String from = intent.getStringExtra("from");
 261             if (from != null)
 262                 from = from.toLowerCase(Locale.US);
 263             String to = intent.getStringExtra("to");
 264             if (to != null)
 265                 to = to.toLowerCase(Locale.US);
 266             if (query != null)
 267             {
 268                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 269             }
 270             if (intent.getStringExtra(C.DICT_FILE) == null && (from != null || to != null))
 271             {
 272                 Log.d(LOG, "DictSearch: from: " + from + " to " + to);
 273                 List<DictionaryInfo> dicts = application.getDictionariesOnDevice(null);
 274                 for (DictionaryInfo info : dicts)
 275                 {
 276                     boolean hasFrom = from == null;
 277                     boolean hasTo = to == null;
 278                     for (IndexInfo index : info.indexInfos)
 279                     {
 280                         if (!hasFrom && index.shortName.toLowerCase(Locale.US).equals(from))
 281                             hasFrom = true;
 282                         if (!hasTo && index.shortName.toLowerCase(Locale.US).equals(to))
 283                             hasTo = true;
 284                     }
 285                     if (hasFrom && hasTo)
 286                     {
 287                         if (from != null)
 288                         {
 289                             int which_index = 0;
 290                             for (; which_index < info.indexInfos.size(); ++which_index)
 291                             {
 292                                 if (info.indexInfos.get(which_index).shortName.toLowerCase(
 293                                         Locale.US).equals(from))
 294                                     break;
 295                             }
 296                             intent.putExtra(C.INDEX_SHORT_NAME,
 297                                     info.indexInfos.get(which_index).shortName);
 298
 299                         }
 300                         intent.putExtra(C.DICT_FILE, application.getPath(info.uncompressedFilename)
 301                                 .toString());
 302                         break;
 303                     }
 304                 }
 305
 306             }
 307         }
 308         /**
 309          * @author Dominik Köppl Querying the Intent Intent.ACTION_SEARCH is a
 310          *         simple query Arguments follow from android standard (see
 311          *         documentation)
 312          */
 313         if (intentAction != null && intentAction.equals(Intent.ACTION_SEARCH))
 314         {
 315             String query = intent.getStringExtra(SearchManager.QUERY);
 316             if (query != null)
 317                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 318         }
 319         if (intentAction != null && intentAction.equals(Intent.ACTION_SEND))
 320         {
 321             String query = intent.getStringExtra(Intent.EXTRA_TEXT);
 322             if (query != null)
 323                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 324         }
 325         /*
 326          * This processes text on M+ devices where QuickDic shows up in the context menu.
 327          */
 328         if (intentAction != null && intentAction.equals(Intent.ACTION_PROCESS_TEXT)) {
 329             String query = intent.getStringExtra(Intent.EXTRA_PROCESS_TEXT);
 330             if (query != null) {
 331                 getIntent().putExtra(C.SEARCH_TOKEN, query);
 332             }
 333         }
 334         /**
 335          * @author Dominik Köppl If no dictionary is chosen, use the default
 336          *         dictionary specified in the preferences If this step does
 337          *         fail (no default dictionary specified), show a toast and
 338          *         abort.
 339          */
 340         if (intent.getStringExtra(C.DICT_FILE) == null)
 341         {
 342             String dictfile = prefs.getString(getString(R.string.defaultDicKey), null);
 343             if (dictfile != null)
 344                 intent.putExtra(C.DICT_FILE, application.getPath(dictfile).toString());
 345         }
 346         String dictFilename = intent.getStringExtra(C.DICT_FILE);
 347         if (dictFilename == null && intent.getStringExtra(C.SEARCH_TOKEN) != null)
 348         {
 349             final List<DictionaryInfo> dics = application.getDictionariesOnDevice(null);
 350             final String search = intent.getStringExtra(C.SEARCH_TOKEN);
 351             String bestFname = null;
 352             String bestIndex = null;
 353             int bestMatchLen = 2; // ignore shorter matches
 354             AtomicBoolean dummy = new AtomicBoolean();
 355             for (int i = 0; dictFilename == null && i < dics.size(); ++i)
 356             {
 357                 try {
 358                     Log.d(LOG, "Checking dictionary " + dics.get(i).uncompressedFilename);
 359                     final File dictfile = application.getPath(dics.get(i).uncompressedFilename);
 360                     Dictionary dic = new Dictionary(new RandomAccessFile(dictfile, "r"));
 361                     for (int j = 0; j < dic.indices.size(); ++j) {
 362                         Index idx = dic.indices.get(j);
 363                         Log.d(LOG, "Checking index " + idx.shortName);
 364                         if (idx.findExact(search) != null)
 365                         {
 366                             Log.d(LOG, "Found exact match");
 367                             dictFilename = dictfile.toString();
 368                             intent.putExtra(C.INDEX_SHORT_NAME, idx.shortName);
 369                             break;
 370                         }
 371                         int matchLen = getMatchLen(search, idx.findInsertionPoint(search, dummy));
 372                         Log.d(LOG, "Found partial match length " + matchLen);
 373                         if (matchLen > bestMatchLen)
 374                         {
 375                             bestFname = dictfile.toString();
 376                             bestIndex = idx.shortName;
 377                             bestMatchLen = matchLen;
 378                         }
 379                     }
 380                 } catch (Exception e) {}
 381             }
 382             if (dictFilename == null && bestFname != null)
 383             {
 384                 dictFilename = bestFname;
 385                 intent.putExtra(C.INDEX_SHORT_NAME, bestIndex);
 386             }
 387         }
 388
 389         if (dictFilename == null)
 390         {
 391             Toast.makeText(this, getString(R.string.no_dict_file), Toast.LENGTH_LONG).show();
 392             startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 393             finish();
 394             return;
 395         }
 396         if (dictFilename != null)
 397             dictFile = new File(dictFilename);
 398
 399         ttsReady = false;
 400         textToSpeech = new TextToSpeech(getApplicationContext(), new OnInitListener() {
 401             @Override
 402             public void onInit(int status) {
 403                 ttsReady = true;
 404                 updateTTSLanguage(indexIndex);
 405             }
 406         });
 407
 408         try {
 409             final String name = application.getDictionaryName(dictFile.getName());
 410             this.setTitle("QuickDic: " + name);
 411             dictRaf = new RandomAccessFile(dictFile, "r");
 412             dictionary = new Dictionary(dictRaf);
 413         } catch (Exception e) {
 414             Log.e(LOG, "Unable to load dictionary.", e);
 415             if (dictRaf != null) {
 416                 try {
 417                     dictRaf.close();
 418                 } catch (IOException e1) {
 419                     Log.e(LOG, "Unable to close dictRaf.", e1);
 420                 }
 421                 dictRaf = null;
 422             }
 423             Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()),
 424                     Toast.LENGTH_LONG).show();
 425             startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 426             finish();
 427             return;
 428         }
 429         String targetIndex = intent.getStringExtra(C.INDEX_SHORT_NAME);
 430         if (savedInstanceState != null && savedInstanceState.getString(C.INDEX_SHORT_NAME) != null) {
 431             targetIndex = savedInstanceState.getString(C.INDEX_SHORT_NAME);
 432         }
 433         indexIndex = 0;
 434         for (int i = 0; i < dictionary.indices.size(); ++i) {
 435             if (dictionary.indices.get(i).shortName.equals(targetIndex)) {
 436                 indexIndex = i;
 437                 break;
 438             }
 439         }
 440         Log.d(LOG, "Loading index " + indexIndex);
 441         index = dictionary.indices.get(indexIndex);
 442         getListView().setEmptyView(findViewById(android.R.id.empty));
 443         setListAdapter(new IndexAdapter(index));
 444
 445         // Pre-load the collators.
 446         new Thread(new Runnable() {
 447             public void run() {
 448                 android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_BACKGROUND);
 449                 final long startMillis = System.currentTimeMillis();
 450                 try {
 451                     TransliteratorManager.init(new TransliteratorManager.Callback() {
 452                         @Override
 453                         public void onTransliteratorReady() {
 454                             uiHandler.post(new Runnable() {
 455                                 @Override
 456                                 public void run() {
 457                                     onSearchTextChange(searchView.getQuery().toString());
 458                                 }
 459                             });
 460                         }
 461                     });
 462
 463                     for (final Index index : dictionary.indices) {
 464                         final String searchToken = index.sortedIndexEntries.get(0).token;
 465                         final IndexEntry entry = index.findExact(searchToken);
 466                         if (entry == null || !searchToken.equals(entry.token)) {
 467                             Log.e(LOG, "Couldn't find token: " + searchToken + ", " + (entry == null ? "null" : entry.token));
 468                         }
 469                     }
 470                     indexPrepFinished = true;
 471                 } catch (Exception e) {
 472                     Log.w(LOG,
 473                             "Exception while prepping.  This can happen if dictionary is closed while search is happening.");
 474                 }
 475                 Log.d(LOG, "Prepping indices took:" + (System.currentTimeMillis() - startMillis));
 476             }
 477         }).start();
 478
 479         String fontName = prefs.getString(getString(R.string.fontKey), "FreeSerif.otf.jpg");
 480         if ("SYSTEM".equals(fontName)) {
 481             typeface = Typeface.DEFAULT;
 482         } else if ("SERIF".equals(fontName)) {
 483             typeface = Typeface.SERIF;
 484         } else if ("SANS_SERIF".equals(fontName)) {
 485             typeface = Typeface.SANS_SERIF;
 486         } else if ("MONOSPACE".equals(fontName)) {
 487             typeface = Typeface.MONOSPACE;
 488         } else {
 489             if ("FreeSerif.ttf.jpg".equals(fontName)) {
 490                 fontName = "FreeSerif.otf.jpg";
 491             }
 492             try {
 493                 typeface = Typeface.createFromAsset(getAssets(), fontName);
 494             } catch (Exception e) {
 495                 Log.w(LOG, "Exception trying to use typeface, using default.", e);
 496                 Toast.makeText(this, getString(R.string.fontFailure, e.getLocalizedMessage()),
 497                         Toast.LENGTH_LONG).show();
 498             }
 499         }
 500         if (typeface == null) {
 501             Log.w(LOG, "Unable to create typeface, using default.");
 502             typeface = Typeface.DEFAULT;
 503         }
 504         final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "14");
 505         try {
 506             fontSizeSp = Integer.parseInt(fontSize.trim());
 507         } catch (NumberFormatException e) {
 508             fontSizeSp = 14;
 509         }
 510
 511         // ContextMenu.
 512         registerForContextMenu(getListView());
 513
 514         // Cache some prefs.
 515         wordList = application.getWordListFile();
 516         saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey),
 517                 false);
 518         clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey),
 519                 false);
 520         Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
 521
 522         onCreateSetupActionBarAndSearchView();
 523
 524         View floatSwapButton = findViewById(R.id.floatSwapButton);
 525         floatSwapButton.setOnClickListener(new OnClickListener() {
 526             @Override
 527             public void onClick(View arg0) {
 528                 onLanguageButtonClick();
 529             }
 530         });
 531         floatSwapButton.setOnLongClickListener(new OnLongClickListener() {
 532             @Override
 533             public boolean onLongClick(View v) {
 534                 onLanguageButtonLongClick(v.getContext());
 535                 return true;
 536             }
 537         });
 538
 539         final FloatingActionButton floatSearchButton = (FloatingActionButton)findViewById(R.id.floatSearchButton);
 540         floatSearchButton.setOnClickListener(new OnClickListener() {
 541             @Override
 542             public void onClick(View arg0) {
 543                 if (!searchView.hasFocus()) {
 544                     searchView.requestFocus();
 545                 }
 546                 if (searchView.getQuery().toString().length() > 0) {
 547                     searchView.setQuery("", false);
 548                 }
 549                 showKeyboard();
 550                 searchView.setIconified(false);
 551             }
 552         });
 553
 554         // Set the search text from the intent, then the saved state.
 555         String text = getIntent().getStringExtra(C.SEARCH_TOKEN);
 556         if (savedInstanceState != null) {
 557             text = savedInstanceState.getString(C.SEARCH_TOKEN);
 558         }
 559         if (text == null) {
 560             text = "";
 561         }
 562         setSearchText(text, true);
 563         Log.d(LOG, "Trying to restore searchText=" + text);
 564
 565         setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
 566
 567         updateLangButton();
 568         searchView.requestFocus();
 569
 570         // http://stackoverflow.com/questions/2833057/background-listview-becomes-black-when-scrolling
 571 //        getListView().setCacheColorHint(0);
 572     }
 573
 574     private void onCreateSetupActionBarAndSearchView() {
 575         ActionBar actionBar = getSupportActionBar();
 576         actionBar.setDisplayShowTitleEnabled(false);
 577         actionBar.setDisplayShowHomeEnabled(false);
 578         actionBar.setDisplayHomeAsUpEnabled(false);
 579
 580         final LinearLayout customSearchView = new LinearLayout(getSupportActionBar().getThemedContext());
 581
 582         final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 583                 ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 584         customSearchView.setLayoutParams(layoutParams);
 585
 586         listView.setOnItemClickListener(new OnItemClickListener() {
 587             @Override
 588             public void onItemClick(AdapterView<?> parent, View view, int row, long id) {
 589                 onListItemClick(getListView(), view, row, id);
 590             }
 591         });
 592
 593         languageButton = new ImageButton(customSearchView.getContext());
 594         languageButton.setScaleType(ScaleType.FIT_CENTER);
 595         languageButton.setOnClickListener(new OnClickListener() {
 596             @Override
 597             public void onClick(View v) {
 598                 onLanguageButtonLongClick(v.getContext());
 599             }
 600         });
 601         languageButton.setAdjustViewBounds(true);
 602         LinearLayout.LayoutParams lpb = new LinearLayout.LayoutParams(application.languageButtonPixels, LinearLayout.LayoutParams.MATCH_PARENT);
 603         customSearchView.addView(languageButton, lpb);
 604
 605         searchView = new SearchView(getSupportActionBar().getThemedContext());
 606
 607         // Get rid of search icon, it takes up too much space.
 608         // There is still text saying "search" in the search field.
 609         searchView.setIconifiedByDefault(true);
 610         searchView.setIconified(false);
 611
 612         searchView.setQueryHint(getString(R.string.searchText));
 613         searchView.setSubmitButtonEnabled(false);
 614         searchView.setInputType(InputType.TYPE_CLASS_TEXT);
 615         searchView.setImeOptions(
 616                 EditorInfo.IME_ACTION_DONE |
 617                         EditorInfo.IME_FLAG_NO_EXTRACT_UI |
 618                         // EditorInfo.IME_FLAG_NO_FULLSCREEN | // Requires API
 619                         // 11
 620                         EditorInfo.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
 621         onQueryTextListener = new OnQueryTextListener() {
 622             @Override
 623             public boolean onQueryTextSubmit(String query) {
 624                 Log.d(LOG, "OnQueryTextListener: onQueryTextSubmit: " + searchView.getQuery());
 625                 hideKeyboard();
 626                 return true;
 627             }
 628
 629             @Override
 630             public boolean onQueryTextChange(String newText) {
 631                 Log.d(LOG, "OnQueryTextListener: onQueryTextChange: " + searchView.getQuery());
 632                 onSearchTextChange(searchView.getQuery().toString());
 633                 return true;
 634             }
 635         };
 636         searchView.setOnQueryTextListener(onQueryTextListener);
 637         searchView.setFocusable(true);
 638         LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(0,
 639                 FrameLayout.LayoutParams.WRAP_CONTENT, 1);
 640         customSearchView.addView(searchView, lp);
 641
 642         actionBar.setCustomView(customSearchView);
 643         actionBar.setDisplayShowCustomEnabled(true);
 644
 645         // Avoid wasting space on large left inset
 646         Toolbar tb = (Toolbar)customSearchView.getParent();
 647         tb.setContentInsetsRelative(0, 0);
 648     }
 649
 650     @Override
 651     protected void onResume() {
 652         Log.d(LOG, "onResume");
 653         super.onResume();
 654         if (PreferenceActivity.prefsMightHaveChanged) {
 655             PreferenceActivity.prefsMightHaveChanged = false;
 656             finish();
 657             startActivity(getIntent());
 658         }
 659         showKeyboard();
 660     }
 661
 662     @Override
 663     protected void onPause() {
 664         super.onPause();
 665     }
 666
 667     @Override
 668     /**
 669      * Invoked when MyWebView returns, since the user might have clicked some
 670      * hypertext in the MyWebView.
 671      */
 672     protected void onActivityResult(int requestCode, int resultCode, Intent result) {
 673         super.onActivityResult(requestCode, resultCode, result);
 674         if (result != null && result.hasExtra(C.SEARCH_TOKEN)) {
 675             Log.d(LOG, "onActivityResult: " + result.getStringExtra(C.SEARCH_TOKEN));
 676             jumpToTextFromHyperLink(result.getStringExtra(C.SEARCH_TOKEN), indexIndex);
 677         }
 678     }
 679
 680     private static void setDictionaryPrefs(final Context context, final File dictFile,
 681             final String indexShortName, final String searchToken) {
 682         final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(
 683                 context).edit();
 684         prefs.putString(C.DICT_FILE, dictFile.getPath());
 685         prefs.putString(C.INDEX_SHORT_NAME, indexShortName);
 686         prefs.putString(C.SEARCH_TOKEN, ""); // Don't need to save search token.
 687         prefs.commit();
 688     }
 689
 690     @Override
 691     protected void onDestroy() {
 692         super.onDestroy();
 693         if (dictRaf == null) {
 694             return;
 695         }
 696
 697         final SearchOperation searchOperation = currentSearchOperation;
 698         currentSearchOperation = null;
 699
 700         // Before we close the RAF, we have to wind the current search down.
 701         if (searchOperation != null) {
 702             Log.d(LOG, "Interrupting search to shut down.");
 703             currentSearchOperation = null;
 704             searchOperation.interrupted.set(true);
 705         }
 706         searchExecutor.shutdownNow();
 707
 708         try {
 709             Log.d(LOG, "Closing RAF.");
 710             dictRaf.close();
 711         } catch (IOException e) {
 712             Log.e(LOG, "Failed to close dictionary", e);
 713         }
 714         dictRaf = null;
 715     }
 716
 717     // --------------------------------------------------------------------------
 718     // Buttons
 719     // --------------------------------------------------------------------------
 720
 721     private void showKeyboard() {
 722         // For some reason, this doesn't always work the first time.
 723         // One way to replicate the problem:
 724         // Press the "task switch" button repeatedly to pause and resume
 725         for (int delay = 1; delay <= 101; delay += 100) {
 726             searchView.postDelayed(new Runnable() {
 727                 @Override
 728                 public void run() {
 729                     Log.d(LOG, "Trying to show soft keyboard.");
 730                     final boolean searchTextHadFocus = searchView.hasFocus();
 731                     searchView.requestFocusFromTouch();
 732                     final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 733                     manager.showSoftInput(searchView, InputMethodManager.SHOW_IMPLICIT);
 734                     if (!searchTextHadFocus) {
 735                         defocusSearchText();
 736                     }
 737                 }
 738             }, delay);
 739         }
 740     }
 741
 742     private void hideKeyboard() {
 743         Log.d(LOG, "Hide soft keyboard.");
 744         searchView.clearFocus();
 745         InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 746         manager.hideSoftInputFromWindow(searchView.getWindowToken(), 0);
 747     }
 748
 749     void updateLangButton() {
 750         final LanguageResources languageResources =
 751                 DictionaryApplication.isoCodeToResources.get(index.shortName);
 752         if (languageResources != null && languageResources.flagId != 0) {
 753             languageButton.setImageResource(languageResources.flagId);
 754         } else {
 755             if (indexIndex % 2 == 0) {
 756                 languageButton.setImageResource(android.R.drawable.ic_media_next);
 757             } else {
 758                 languageButton.setImageResource(android.R.drawable.ic_media_previous);
 759             }
 760         }
 761         updateTTSLanguage(indexIndex);
 762     }
 763
 764     private void updateTTSLanguage(int i) {
 765         if (!ttsReady || index == null || textToSpeech == null) {
 766             Log.d(LOG, "Can't updateTTSLanguage.");
 767             return;
 768         }
 769         final Locale locale = new Locale(dictionary.indices.get(i).sortLanguage.getIsoCode());
 770         Log.d(LOG, "Setting TTS locale to: " + locale);
 771         try {
 772         final int ttsResult = textToSpeech.setLanguage(locale);
 773         if (ttsResult != TextToSpeech.LANG_AVAILABLE &&
 774                 ttsResult != TextToSpeech.LANG_COUNTRY_AVAILABLE) {
 775             Log.e(LOG, "TTS not available in this language: ttsResult=" + ttsResult);
 776         }
 777         } catch (Exception e) {
 778             Toast.makeText(this, getString(R.string.TTSbroken), Toast.LENGTH_LONG).show();
 779         }
 780     }
 781
 782     void onLanguageButtonClick() {
 783         if (dictionary.indices.size() == 1) {
 784             // No need to work to switch indices.
 785             return;
 786         }
 787         if (currentSearchOperation != null) {
 788             currentSearchOperation.interrupted.set(true);
 789             currentSearchOperation = null;
 790         }
 791         setIndexAndSearchText((indexIndex + 1) % dictionary.indices.size(),
 792                 searchView.getQuery().toString(), false);
 793     }
 794
 795     void onLanguageButtonLongClick(final Context context) {
 796         final Dialog dialog = new Dialog(context);
 797         dialog.setContentView(R.layout.select_dictionary_dialog);
 798         dialog.setTitle(R.string.selectDictionary);
 799
 800         final List<DictionaryInfo> installedDicts = application.getDictionariesOnDevice(null);
 801
 802         ListView listView = (ListView) dialog.findViewById(android.R.id.list);
 803         final Button button = new Button(listView.getContext());
 804         final String name = getString(R.string.dictionaryManager);
 805         button.setText(name);
 806         final IntentLauncher intentLauncher = new IntentLauncher(listView.getContext(),
 807                 DictionaryManagerActivity.getLaunchIntent(getApplicationContext())) {
 808             @Override
 809             protected void onGo() {
 810                 dialog.dismiss();
 811                 DictionaryActivity.this.finish();
 812             }
 813         };
 814         button.setOnClickListener(intentLauncher);
 815         listView.addHeaderView(button);
 816
 817         listView.setAdapter(new BaseAdapter() {
 818             @Override
 819             public View getView(int position, View convertView, ViewGroup parent) {
 820                 final DictionaryInfo dictionaryInfo = getItem(position);
 821
 822                 final LinearLayout result = new LinearLayout(parent.getContext());
 823
 824                 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
 825                     final IndexInfo indexInfo = dictionaryInfo.indexInfos.get(i);
 826                     final View button = application.createButton(parent.getContext(),
 827                             dictionaryInfo, indexInfo);
 828                     final IntentLauncher intentLauncher = new IntentLauncher(parent.getContext(),
 829                             getLaunchIntent(getApplicationContext(),
 830                                     application.getPath(dictionaryInfo.uncompressedFilename),
 831                                     indexInfo.shortName, searchView.getQuery().toString())) {
 832                         @Override
 833                         protected void onGo() {
 834                             dialog.dismiss();
 835                             DictionaryActivity.this.finish();
 836                         }
 837                     };
 838                     button.setOnClickListener(intentLauncher);
 839                     if (i == indexIndex && dictFile != null &&
 840                         dictFile.getName().equals(dictionaryInfo.uncompressedFilename)) {
 841                         button.setPressed(true);
 842                     }
 843                     result.addView(button);
 844                 }
 845
 846                 final TextView nameView = new TextView(parent.getContext());
 847                 final String name = application
 848                         .getDictionaryName(dictionaryInfo.uncompressedFilename);
 849                 nameView.setText(name);
 850                 final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 851                         ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 852                 layoutParams.width = 0;
 853                 layoutParams.weight = 1.0f;
 854                 nameView.setLayoutParams(layoutParams);
 855                 nameView.setGravity(Gravity.CENTER_VERTICAL);
 856                 result.addView(nameView);
 857                 return result;
 858             }
 859
 860             @Override
 861             public long getItemId(int position) {
 862                 return position;
 863             }
 864
 865             @Override
 866             public DictionaryInfo getItem(int position) {
 867                 return installedDicts.get(position);
 868             }
 869
 870             @Override
 871             public int getCount() {
 872                 return installedDicts.size();
 873             }
 874         });
 875         dialog.show();
 876     }
 877
 878     void onUpDownButton(final boolean up) {
 879         if (isFiltered()) {
 880             return;
 881         }
 882         final int firstVisibleRow = getListView().getFirstVisiblePosition();
 883         final RowBase row = index.rows.get(firstVisibleRow);
 884         final TokenRow tokenRow = row.getTokenRow(true);
 885         final int destIndexEntry;
 886         if (up) {
 887             if (row != tokenRow) {
 888                 destIndexEntry = tokenRow.referenceIndex;
 889             } else {
 890                 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
 891             }
 892         } else {
 893             // Down
 894             destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size() - 1);
 895         }
 896         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 897         Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
 898         setSearchText(dest.token, false);
 899         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 900         defocusSearchText();
 901     }
 902
 903     void onRandomWordButton() {
 904         int destIndexEntry = rand.nextInt(index.sortedIndexEntries.size());
 905         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 906         setSearchText(dest.token, false);
 907         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 908         defocusSearchText();
 909     }
 910
 911     // --------------------------------------------------------------------------
 912     // Options Menu
 913     // --------------------------------------------------------------------------
 914
 915     final Random random = new Random();
 916
 917     @Override
 918     public boolean onCreateOptionsMenu(final Menu menu) {
 919
 920         if (PreferenceManager.getDefaultSharedPreferences(this)
 921                 .getBoolean(getString(R.string.showPrevNextButtonsKey), true)) {
 922             // Next word.
 923             nextWordMenuItem = menu.add(getString(R.string.nextWord))
 924                     .setIcon(R.drawable.arrow_down_float);
 925             MenuItemCompat.setShowAsAction(nextWordMenuItem, MenuItem.SHOW_AS_ACTION_IF_ROOM);
 926             nextWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 927                 @Override
 928                 public boolean onMenuItemClick(MenuItem item) {
 929                     onUpDownButton(false);
 930                     return true;
 931                 }
 932             });
 933
 934             // Previous word.
 935             previousWordMenuItem = menu.add(getString(R.string.previousWord))
 936                     .setIcon(R.drawable.arrow_up_float);
 937             MenuItemCompat.setShowAsAction(previousWordMenuItem, MenuItem.SHOW_AS_ACTION_IF_ROOM);
 938             previousWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 939                 @Override
 940                 public boolean onMenuItemClick(MenuItem item) {
 941                     onUpDownButton(true);
 942                     return true;
 943                 }
 944             });
 945         }
 946
 947         randomWordMenuItem = menu.add(getString(R.string.randomWord));
 948         randomWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 949             @Override
 950             public boolean onMenuItemClick(MenuItem item) {
 951                 onRandomWordButton();
 952                 return true;
 953             }
 954         });
 955
 956         application.onCreateGlobalOptionsMenu(this, menu);
 957
 958         {
 959             final MenuItem dictionaryManager = menu.add(getString(R.string.dictionaryManager));
 960             MenuItemCompat.setShowAsAction(dictionaryManager, MenuItem.SHOW_AS_ACTION_NEVER);
 961             dictionaryManager.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 962                 public boolean onMenuItemClick(final MenuItem menuItem) {
 963                     startActivity(DictionaryManagerActivity.getLaunchIntent(getApplicationContext()));
 964                     finish();
 965                     return false;
 966                 }
 967             });
 968         }
 969
 970         {
 971             final MenuItem aboutDictionary = menu.add(getString(R.string.aboutDictionary));
 972             MenuItemCompat.setShowAsAction(aboutDictionary, MenuItem.SHOW_AS_ACTION_NEVER);
 973             aboutDictionary.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 974                 public boolean onMenuItemClick(final MenuItem menuItem) {
 975                     final Context context = getListView().getContext();
 976                     final Dialog dialog = new Dialog(context);
 977                     dialog.setContentView(R.layout.about_dictionary_dialog);
 978                     final TextView textView = (TextView) dialog.findViewById(R.id.text);
 979
 980                     final String name = application.getDictionaryName(dictFile.getName());
 981                     dialog.setTitle(name);
 982
 983                     final StringBuilder builder = new StringBuilder();
 984                     final DictionaryInfo dictionaryInfo = dictionary.getDictionaryInfo();
 985                     dictionaryInfo.uncompressedBytes = dictFile.length();
 986                     if (dictionaryInfo != null) {
 987                         builder.append(dictionaryInfo.dictInfo).append("\n\n");
 988                         builder.append(getString(R.string.dictionaryPath, dictFile.getPath()))
 989                                 .append("\n");
 990                         builder.append(
 991                                 getString(R.string.dictionarySize, dictionaryInfo.uncompressedBytes))
 992                                 .append("\n");
 993                         builder.append(
 994                                 getString(R.string.dictionaryCreationTime,
 995                                         dictionaryInfo.creationMillis)).append("\n");
 996                         for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
 997                             builder.append("\n");
 998                             builder.append(getString(R.string.indexName, indexInfo.shortName))
 999                                     .append("\n");
1000                             builder.append(
1001                                     getString(R.string.mainTokenCount, indexInfo.mainTokenCount))
1002                                     .append("\n");
1003                         }
1004                         builder.append("\n");
1005                         builder.append(getString(R.string.sources)).append("\n");
1006                         for (final EntrySource source : dictionary.sources) {
1007                             builder.append(
1008                                     getString(R.string.sourceInfo, source.getName(),
1009                                             source.getNumEntries())).append("\n");
1010                         }
1011                     }
1012                     textView.setText(builder.toString());
1013
1014                     dialog.show();
1015                     final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
1016                     layoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;
1017                     layoutParams.height = WindowManager.LayoutParams.MATCH_PARENT;
1018                     dialog.getWindow().setAttributes(layoutParams);
1019                     return false;
1020                 }
1021             });
1022         }
1023
1024         return true;
1025     }
1026
1027     // --------------------------------------------------------------------------
1028     // Context Menu + clicks
1029     // --------------------------------------------------------------------------
1030
1031     @Override
1032     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1033         AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
1034         final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
1035
1036         final android.view.MenuItem addToWordlist = menu.add(getString(R.string.addToWordList,
1037                 wordList.getName()));
1038         addToWordlist
1039                 .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1040                     public boolean onMenuItemClick(android.view.MenuItem item) {
1041                         onAppendToWordList(row);
1042                         return false;
1043                     }
1044                 });
1045
1046         final android.view.MenuItem share = menu.add("Share");
1047         share.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1048             public boolean onMenuItemClick(android.view.MenuItem item) {
1049                 Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
1050                 shareIntent.setType("text/plain");
1051                 shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, row.getTokenRow(true)
1052                         .getToken());
1053                 shareIntent.putExtra(android.content.Intent.EXTRA_TEXT,
1054                         row.getRawText(saveOnlyFirstSubentry));
1055                 startActivity(shareIntent);
1056                 return false;
1057             }
1058         });
1059
1060         final android.view.MenuItem copy = menu.add(android.R.string.copy);
1061         copy.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1062             public boolean onMenuItemClick(android.view.MenuItem item) {
1063                 onCopy(row);
1064                 return false;
1065             }
1066         });
1067
1068         if (selectedSpannableText != null) {
1069             final String selectedText = selectedSpannableText;
1070             final android.view.MenuItem searchForSelection = menu.add(getString(
1071                     R.string.searchForSelection,
1072                     selectedSpannableText));
1073             searchForSelection
1074                     .setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1075                         public boolean onMenuItemClick(android.view.MenuItem item) {
1076                             jumpToTextFromHyperLink(selectedText, selectedSpannableIndex);
1077                             return false;
1078                         }
1079                     });
1080             // Rats, this won't be shown:
1081             //searchForSelection.setIcon(R.drawable.abs__ic_search);
1082         }
1083
1084         if ((row instanceof TokenRow || selectedSpannableText != null) && ttsReady) {
1085             final android.view.MenuItem speak = menu.add(R.string.speak);
1086             final String textToSpeak = row instanceof TokenRow ? ((TokenRow) row).getToken() : selectedSpannableText;
1087             updateTTSLanguage(row instanceof TokenRow ? indexIndex : selectedSpannableIndex);
1088             speak.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
1089                 @Override
1090                 public boolean onMenuItemClick(android.view.MenuItem item) {
1091                     textToSpeech.speak(textToSpeak, TextToSpeech.QUEUE_FLUSH,
1092                             new HashMap<String, String>());
1093                     return false;
1094                 }
1095             });
1096         }
1097     }
1098
1099     private void jumpToTextFromHyperLink(
1100             final String selectedText, final int defaultIndexToUse) {
1101         int indexToUse = -1;
1102         int numFound = 0;
1103         for (int i = 0; i < dictionary.indices.size(); ++i) {
1104             final Index index = dictionary.indices.get(i);
1105             if (indexPrepFinished) {
1106                 System.out.println("Doing index lookup: on " + selectedText);
1107                 final IndexEntry indexEntry = index.findExact(selectedText);
1108                 if (indexEntry != null) {
1109                     final TokenRow tokenRow = index.rows.get(indexEntry.startRow)
1110                             .getTokenRow(false);
1111                     if (tokenRow != null && tokenRow.hasMainEntry) {
1112                         indexToUse = i;
1113                         ++numFound;
1114                     }
1115                 }
1116             } else {
1117                 Log.w(LOG, "Skipping findExact on index " + index.shortName);
1118             }
1119         }
1120         if (numFound != 1 || indexToUse == -1) {
1121             indexToUse = defaultIndexToUse;
1122         }
1123         // Without this extra delay, the call to jumpToRow that this
1124         // invokes doesn't always actually have any effect.
1125         final int actualIndexToUse = indexToUse;
1126         getListView().postDelayed(new Runnable() {
1127             @Override
1128             public void run() {
1129                 setIndexAndSearchText(actualIndexToUse, selectedText, true);
1130             }
1131         }, 100);
1132     }
1133
1134     /**
1135      * Called when user clicks outside of search text, so that they can start
1136      * typing again immediately.
1137      */
1138     void defocusSearchText() {
1139         // Log.d(LOG, "defocusSearchText");
1140         // Request focus so that if we start typing again, it clears the text
1141         // input.
1142         getListView().requestFocus();
1143
1144         // Visual indication that a new keystroke will clear the search text.
1145         // Doesn't seem to work unless searchText has focus.
1146         // searchView.selectAll();
1147     }
1148
1149     protected void onListItemClick(ListView l, View v, int row, long id) {
1150         defocusSearchText();
1151         if (clickOpensContextMenu && dictRaf != null) {
1152             openContextMenu(v);
1153         }
1154     }
1155
1156     @SuppressLint("SimpleDateFormat")
1157     void onAppendToWordList(final RowBase row) {
1158         defocusSearchText();
1159
1160         final StringBuilder rawText = new StringBuilder();
1161         rawText.append(new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date())).append("\t");
1162         rawText.append(index.longName).append("\t");
1163         rawText.append(row.getTokenRow(true).getToken()).append("\t");
1164         rawText.append(row.getRawText(saveOnlyFirstSubentry));
1165         Log.d(LOG, "Writing : " + rawText);
1166
1167         try {
1168             wordList.getParentFile().mkdirs();
1169             final PrintWriter out = new PrintWriter(new FileWriter(wordList, true));
1170             out.println(rawText.toString());
1171             out.close();
1172         } catch (Exception e) {
1173             Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
1174             Toast.makeText(this,
1175                     getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()),
1176                     Toast.LENGTH_LONG).show();
1177         }
1178         return;
1179     }
1180
1181     @SuppressWarnings("deprecation")
1182     void onCopy(final RowBase row) {
1183         defocusSearchText();
1184
1185         Log.d(LOG, "Copy, row=" + row);
1186         final StringBuilder result = new StringBuilder();
1187         result.append(row.getRawText(false));
1188         final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
1189         clipboardManager.setText(result.toString());
1190         Log.d(LOG, "Copied: " + result);
1191     }
1192
1193     @Override
1194     public boolean onKeyDown(final int keyCode, final KeyEvent event) {
1195         if (event.getUnicodeChar() != 0) {
1196             if (!searchView.hasFocus()) {
1197                 setSearchText("" + (char) event.getUnicodeChar(), true);
1198                 searchView.requestFocus();
1199             }
1200             return true;
1201         }
1202         if (keyCode == KeyEvent.KEYCODE_BACK) {
1203             // Log.d(LOG, "Clearing dictionary prefs.");
1204             // Pretend that we just autolaunched so that we won't do it again.
1205             // DictionaryManagerActivity.lastAutoLaunchMillis =
1206             // System.currentTimeMillis();
1207         }
1208         if (keyCode == KeyEvent.KEYCODE_ENTER) {
1209             Log.d(LOG, "Trying to hide soft keyboard.");
1210             final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
1211             View focus = getCurrentFocus();
1212             if (focus != null) {
1213                 inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
1214                         InputMethodManager.HIDE_NOT_ALWAYS);
1215             }
1216             return true;
1217         }
1218         return super.onKeyDown(keyCode, event);
1219     }
1220
1221     private void setIndexAndSearchText(int newIndex, String newSearchText, boolean hideKeyboard) {
1222         Log.d(LOG, "Changing index to: " + newIndex);
1223         if (newIndex == -1) {
1224             Log.e(LOG, "Invalid index.");
1225             newIndex = 0;
1226         }
1227         if (newIndex != indexIndex) {
1228             indexIndex = newIndex;
1229             index = dictionary.indices.get(indexIndex);
1230             indexAdapter = new IndexAdapter(index);
1231             setListAdapter(indexAdapter);
1232             Log.d(LOG, "changingIndex, newLang=" + index.longName);
1233             setDictionaryPrefs(this, dictFile, index.shortName, searchView.getQuery().toString());
1234             updateLangButton();
1235         }
1236         setSearchText(newSearchText, true, hideKeyboard);
1237     }
1238
1239     private void setSearchText(final String text, final boolean triggerSearch, boolean hideKeyboard) {
1240         Log.d(LOG, "setSearchText, text=" + text + ", triggerSearch=" + triggerSearch);
1241         // Disable the listener, because sometimes it doesn't work.
1242         searchView.setOnQueryTextListener(null);
1243         searchView.setQuery(text, false);
1244         moveCursorToRight();
1245         searchView.setOnQueryTextListener(onQueryTextListener);
1246
1247         if (triggerSearch) {
1248             onSearchTextChange(text);
1249         }
1250
1251         // We don't want to show virtual keyboard when we're changing searchView text programatically:
1252         if (hideKeyboard) {
1253             hideKeyboard();
1254         }
1255     }
1256
1257     private void setSearchText(final String text, final boolean triggerSearch) {
1258         setSearchText(text, triggerSearch, true);
1259     }
1260
1261     // private long cursorDelayMillis = 100;
1262     private void moveCursorToRight() {
1263         // if (searchText.getLayout() != null) {
1264         // cursorDelayMillis = 100;
1265         // // Surprising, but this can crash when you rotate...
1266         // Selection.moveToRightEdge(searchView.getQuery(),
1267         // searchText.getLayout());
1268         // } else {
1269         // uiHandler.postDelayed(new Runnable() {
1270         // @Override
1271         // public void run() {
1272         // moveCursorToRight();
1273         // }
1274         // }, cursorDelayMillis);
1275         // cursorDelayMillis = Math.min(10 * 1000, 2 * cursorDelayMillis);
1276         // }
1277     }
1278
1279     // --------------------------------------------------------------------------
1280     // SearchOperation
1281     // --------------------------------------------------------------------------
1282
1283     private void searchFinished(final SearchOperation searchOperation) {
1284         if (searchOperation.interrupted.get()) {
1285             Log.d(LOG, "Search operation was interrupted: " + searchOperation);
1286             return;
1287         }
1288         if (searchOperation != this.currentSearchOperation) {
1289             Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
1290             return;
1291         }
1292
1293         final Index.IndexEntry searchResult = searchOperation.searchResult;
1294         Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
1295
1296         currentSearchOperation = null;
1297         uiHandler.postDelayed(new Runnable() {
1298             @Override
1299             public void run() {
1300                 if (currentSearchOperation == null) {
1301                     if (searchResult != null) {
1302                         if (isFiltered()) {
1303                             clearFiltered();
1304                         }
1305                         jumpToRow(searchResult.startRow);
1306                     } else if (searchOperation.multiWordSearchResult != null) {
1307                         // Multi-row search....
1308                         setFiltered(searchOperation);
1309                     } else {
1310                         throw new IllegalStateException("This should never happen.");
1311                     }
1312                 } else {
1313                     Log.d(LOG, "More coming, waiting for currentSearchOperation.");
1314                 }
1315             }
1316         }, 20);
1317     }
1318
1319     private final void jumpToRow(final int row) {
1320         Log.d(LOG, "jumpToRow: " + row + ", refocusSearchText=" + false);
1321         // getListView().requestFocusFromTouch();
1322         getListView().setSelectionFromTop(row, 0);
1323         getListView().setSelected(true);
1324     }
1325
1326     static final Pattern WHITESPACE = Pattern.compile("\\s+");
1327
1328     final class SearchOperation implements Runnable {
1329
1330         final AtomicBoolean interrupted = new AtomicBoolean(false);
1331
1332         final String searchText;
1333
1334         List<String> searchTokens; // filled in for multiWord.
1335
1336         final Index index;
1337
1338         long searchStartMillis;
1339
1340         Index.IndexEntry searchResult;
1341
1342         List<RowBase> multiWordSearchResult;
1343
1344         boolean done = false;
1345
1346         SearchOperation(final String searchText, final Index index) {
1347             this.searchText = StringUtil.normalizeWhitespace(searchText);
1348             this.index = index;
1349         }
1350
1351         public String toString() {
1352             return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
1353         }
1354
1355         @Override
1356         public void run() {
1357             try {
1358                 searchStartMillis = System.currentTimeMillis();
1359                 final String[] searchTokenArray = WHITESPACE.split(searchText);
1360                 if (searchTokenArray.length == 1) {
1361                     searchResult = index.findInsertionPoint(searchText, interrupted);
1362                 } else {
1363                     searchTokens = Arrays.asList(searchTokenArray);
1364                     multiWordSearchResult = index.multiWordSearch(searchText, searchTokens,
1365                             interrupted);
1366                 }
1367                 Log.d(LOG,
1368                         "searchText=" + searchText + ", searchDuration="
1369                                 + (System.currentTimeMillis() - searchStartMillis)
1370                                 + ", interrupted=" + interrupted.get());
1371                 if (!interrupted.get()) {
1372                     uiHandler.post(new Runnable() {
1373                         @Override
1374                         public void run() {
1375                             searchFinished(SearchOperation.this);
1376                         }
1377                     });
1378                 } else {
1379                     Log.d(LOG, "interrupted, skipping searchFinished.");
1380                 }
1381             } catch (Exception e) {
1382                 Log.e(LOG, "Failure during search (can happen during Activity close.");
1383             } finally {
1384                 synchronized (this) {
1385                     done = true;
1386                     this.notifyAll();
1387                 }
1388             }
1389         }
1390     }
1391
1392     // --------------------------------------------------------------------------
1393     // IndexAdapter
1394     // --------------------------------------------------------------------------
1395
1396     static ViewGroup.LayoutParams WEIGHT_1 = new LinearLayout.LayoutParams(
1397             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 1.0f);
1398
1399     static ViewGroup.LayoutParams WEIGHT_0 = new LinearLayout.LayoutParams(
1400             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 0.0f);
1401
1402     final class IndexAdapter extends BaseAdapter {
1403
1404         private static final float PADDING_DEFAULT_DP = 8;
1405
1406         private static final float PADDING_LARGE_DP = 16;
1407
1408         final Index index;
1409
1410         final List<RowBase> rows;
1411
1412         final Set<String> toHighlight;
1413
1414         private int mPaddingDefault;
1415
1416         private int mPaddingLarge;
1417
1418         IndexAdapter(final Index index) {
1419             this.index = index;
1420             rows = index.rows;
1421             this.toHighlight = null;
1422             getMetrics();
1423         }
1424
1425         IndexAdapter(final Index index, final List<RowBase> rows, final List<String> toHighlight) {
1426             this.index = index;
1427             this.rows = rows;
1428             this.toHighlight = new LinkedHashSet<String>(toHighlight);
1429             getMetrics();
1430         }
1431
1432         private void getMetrics() {
1433             // Get the screen's density scale
1434             final float scale = getResources().getDisplayMetrics().density;
1435             // Convert the dps to pixels, based on density scale
1436             mPaddingDefault = (int) (PADDING_DEFAULT_DP * scale + 0.5f);
1437             mPaddingLarge = (int) (PADDING_LARGE_DP * scale + 0.5f);
1438         }
1439
1440         @Override
1441         public int getCount() {
1442             return rows.size();
1443         }
1444
1445         @Override
1446         public RowBase getItem(int position) {
1447             return rows.get(position);
1448         }
1449
1450         @Override
1451         public long getItemId(int position) {
1452             return getItem(position).index();
1453         }
1454
1455         @Override
1456         public TableLayout getView(int position, View convertView, ViewGroup parent) {
1457             final TableLayout result;
1458             if (convertView instanceof TableLayout) {
1459                 result = (TableLayout) convertView;
1460                 result.removeAllViews();
1461             } else {
1462                 result = new TableLayout(parent.getContext());
1463             }
1464             final RowBase row = getItem(position);
1465             if (row instanceof PairEntry.Row) {
1466                 return getView(position, (PairEntry.Row) row, parent, result);
1467             } else if (row instanceof TokenRow) {
1468                 return getView((TokenRow) row, parent, result);
1469             } else if (row instanceof HtmlEntry.Row) {
1470                 return getView((HtmlEntry.Row) row, parent, result);
1471             } else {
1472                 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
1473             }
1474         }
1475
1476         private TableLayout getView(final int position, PairEntry.Row row, ViewGroup parent,
1477                 final TableLayout result) {
1478             final PairEntry entry = row.getEntry();
1479             final int rowCount = entry.pairs.size();
1480
1481             final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
1482             layoutParams.weight = 0.5f;
1483             layoutParams.leftMargin = mPaddingLarge;
1484
1485             for (int r = 0; r < rowCount; ++r) {
1486                 final TableRow tableRow = new TableRow(result.getContext());
1487
1488                 final TextView col1 = new TextView(tableRow.getContext());
1489                 final TextView col2 = new TextView(tableRow.getContext());
1490                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB)
1491                 {
1492                     col1.setTextIsSelectable(true);
1493                     col2.setTextIsSelectable(true);
1494                 }
1495
1496                 // Set the columns in the table.
1497                 if (r > 0) {
1498                     final TextView bullet = new TextView(tableRow.getContext());
1499                     bullet.setText(" • ");
1500                     tableRow.addView(bullet);
1501                 }
1502                 tableRow.addView(col1, layoutParams);
1503                 final TextView margin = new TextView(tableRow.getContext());
1504                 margin.setText(" ");
1505                 tableRow.addView(margin);
1506                 if (r > 0) {
1507                     final TextView bullet = new TextView(tableRow.getContext());
1508                     bullet.setText(" • ");
1509                     tableRow.addView(bullet);
1510                 }
1511                 tableRow.addView(col2, layoutParams);
1512                 col1.setWidth(1);
1513                 col2.setWidth(1);
1514
1515                 // Set what's in the columns.
1516
1517                 final Pair pair = entry.pairs.get(r);
1518                 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
1519                 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
1520
1521                 col1.setText(col1Text, TextView.BufferType.SPANNABLE);
1522                 col2.setText(col2Text, TextView.BufferType.SPANNABLE);
1523
1524                 // Bold the token instances in col1.
1525                 final Set<String> toBold = toHighlight != null ? this.toHighlight : Collections
1526                         .singleton(row.getTokenRow(true).getToken());
1527                 final Spannable col1Spannable = (Spannable) col1.getText();
1528                 for (final String token : toBold) {
1529                     int startPos = 0;
1530                     while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
1531                         col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos, startPos
1532                                 + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1533                         startPos += token.length();
1534                     }
1535                 }
1536
1537                 createTokenLinkSpans(col1, col1Spannable, col1Text);
1538                 createTokenLinkSpans(col2, (Spannable) col2.getText(), col2Text);
1539
1540                 col1.setTypeface(typeface);
1541                 col2.setTypeface(typeface);
1542                 col1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1543                 col2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1544                 // col2.setBackgroundResource(theme.otherLangBg);
1545
1546                 if (index.swapPairEntries) {
1547                     col2.setOnLongClickListener(textViewLongClickListenerIndex0);
1548                     col1.setOnLongClickListener(textViewLongClickListenerIndex1);
1549                 } else {
1550                     col1.setOnLongClickListener(textViewLongClickListenerIndex0);
1551                     col2.setOnLongClickListener(textViewLongClickListenerIndex1);
1552                 }
1553
1554                 result.addView(tableRow);
1555             }
1556
1557             // Because we have a Button inside a ListView row:
1558             // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
1559             result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
1560             result.setClickable(true);
1561             result.setFocusable(true);
1562             result.setLongClickable(true);
1563 //            result.setBackgroundResource(android.R.drawable.menuitem_background);
1564
1565             result.setBackgroundResource(theme.normalRowBg);
1566
1567             result.setOnClickListener(new TextView.OnClickListener() {
1568                 @Override
1569                 public void onClick(View v) {
1570                     DictionaryActivity.this.onListItemClick(getListView(), v, position, position);
1571                 }
1572             });
1573
1574             return result;
1575         }
1576
1577         private TableLayout getPossibleLinkToHtmlEntryView(final boolean isTokenRow,
1578                 final String text, final boolean hasMainEntry, final List<HtmlEntry> htmlEntries,
1579                 final String htmlTextToHighlight, ViewGroup parent, final TableLayout result) {
1580             final Context context = parent.getContext();
1581
1582             final TableRow tableRow = new TableRow(result.getContext());
1583             tableRow.setBackgroundResource(hasMainEntry ? theme.tokenRowMainBg
1584                     : theme.tokenRowOtherBg);
1585             if (isTokenRow) {
1586                 tableRow.setPadding(mPaddingDefault, mPaddingDefault, mPaddingDefault, 0);
1587             } else {
1588                 tableRow.setPadding(mPaddingLarge, mPaddingDefault, mPaddingDefault, 0);
1589             }
1590             result.addView(tableRow);
1591
1592             // Make it so we can long-click on these token rows, too:
1593             final TextView textView = new TextView(context);
1594             textView.setText(text, BufferType.SPANNABLE);
1595             createTokenLinkSpans(textView, (Spannable) textView.getText(), text);
1596             textView.setOnLongClickListener(indexIndex > 0 ? textViewLongClickListenerIndex1 : textViewLongClickListenerIndex0);
1597             result.setLongClickable(true);
1598
1599             // Doesn't work:
1600             // textView.setTextColor(android.R.color.secondary_text_light);
1601             textView.setTypeface(typeface);
1602             TableRow.LayoutParams lp = new TableRow.LayoutParams(0);
1603             if (isTokenRow) {
1604                 textView.setTextAppearance(context, theme.tokenRowFg);
1605                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 4 * fontSizeSp / 3);
1606             } else {
1607                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1608             }
1609             lp.weight = 1.0f;
1610
1611             textView.setLayoutParams(lp);
1612             tableRow.addView(textView);
1613
1614             if (!htmlEntries.isEmpty()) {
1615                 final ClickableSpan clickableSpan = new ClickableSpan() {
1616                     @Override
1617                     public void onClick(View widget) {
1618                     }
1619                 };
1620                 ((Spannable) textView.getText()).setSpan(clickableSpan, 0, text.length(),
1621                         Spannable.SPAN_INCLUSIVE_INCLUSIVE);
1622                 result.setClickable(true);
1623                 textView.setClickable(true);
1624                 textView.setMovementMethod(LinkMovementMethod.getInstance());
1625                 textView.setOnClickListener(new OnClickListener() {
1626                     @Override
1627                     public void onClick(View v) {
1628                         String html = HtmlEntry.htmlBody(htmlEntries, index.shortName);
1629                         // Log.d(LOG, "html=" + html);
1630                         startActivityForResult(
1631                                 HtmlDisplayActivity.getHtmlIntent(getApplicationContext(), String.format(
1632                                         "<html><head></head><body>%s</body></html>", html),
1633                                         htmlTextToHighlight, false),
1634                                 0);
1635                     }
1636                 });
1637             }
1638             return result;
1639         }
1640
1641         private TableLayout getView(TokenRow row, ViewGroup parent, final TableLayout result) {
1642             final IndexEntry indexEntry = row.getIndexEntry();
1643             return getPossibleLinkToHtmlEntryView(true, indexEntry.token, row.hasMainEntry,
1644                     indexEntry.htmlEntries, null, parent, result);
1645         }
1646
1647         private TableLayout getView(HtmlEntry.Row row, ViewGroup parent, final TableLayout result) {
1648             final HtmlEntry htmlEntry = row.getEntry();
1649             final TokenRow tokenRow = row.getTokenRow(true);
1650             return getPossibleLinkToHtmlEntryView(false,
1651                     getString(R.string.seeAlso, htmlEntry.title, htmlEntry.entrySource.getName()),
1652                     false, Collections.singletonList(htmlEntry), tokenRow.getToken(), parent,
1653                     result);
1654         }
1655
1656     }
1657
1658     static final Pattern CHAR_DASH = Pattern.compile("['\\p{L}\\p{M}\\p{N}]+");
1659
1660     private void createTokenLinkSpans(final TextView textView, final Spannable spannable,
1661             final String text) {
1662         // Saw from the source code that LinkMovementMethod sets the selection!
1663         // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.1_r1/android/text/method/LinkMovementMethod.java#LinkMovementMethod
1664         textView.setMovementMethod(LinkMovementMethod.getInstance());
1665         final Matcher matcher = CHAR_DASH.matcher(text);
1666         while (matcher.find()) {
1667             spannable.setSpan(new NonLinkClickableSpan(textColorFg), matcher.start(),
1668                     matcher.end(),
1669                     Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1670         }
1671     }
1672
1673     String selectedSpannableText = null;
1674
1675     int selectedSpannableIndex = -1;
1676
1677     @Override
1678     public boolean onTouchEvent(MotionEvent event) {
1679         selectedSpannableText = null;
1680         selectedSpannableIndex = -1;
1681         return super.onTouchEvent(event);
1682     }
1683
1684     private class TextViewLongClickListener implements OnLongClickListener {
1685         final int index;
1686
1687         private TextViewLongClickListener(final int index) {
1688             this.index = index;
1689         }
1690
1691         @Override
1692         public boolean onLongClick(final View v) {
1693             final TextView textView = (TextView) v;
1694             final int start = textView.getSelectionStart();
1695             final int end = textView.getSelectionEnd();
1696             if (start >= 0 && end >= 0) {
1697                 selectedSpannableText = textView.getText().subSequence(start, end).toString();
1698                 selectedSpannableIndex = index;
1699             }
1700             return false;
1701         }
1702     }
1703
1704     final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1705             0);
1706
1707     final TextViewLongClickListener textViewLongClickListenerIndex1 = new TextViewLongClickListener(
1708             1);
1709
1710     // --------------------------------------------------------------------------
1711     // SearchText
1712     // --------------------------------------------------------------------------
1713
1714     void onSearchTextChange(final String text) {
1715         if ("thadolina".equals(text)) {
1716             final Dialog dialog = new Dialog(getListView().getContext());
1717             dialog.setContentView(R.layout.thadolina_dialog);
1718             dialog.setTitle("Ti amo, amore mio!");
1719             final ImageView imageView = (ImageView) dialog.findViewById(R.id.thadolina_image);
1720             imageView.setOnClickListener(new OnClickListener() {
1721                 @Override
1722                 public void onClick(View v) {
1723                     final Intent intent = new Intent(Intent.ACTION_VIEW);
1724                     intent.setData(Uri.parse("https://sites.google.com/site/cfoxroxvday/vday2012"));
1725                     startActivity(intent);
1726                 }
1727             });
1728             dialog.show();
1729         }
1730         if (dictRaf == null) {
1731             Log.d(LOG, "searchText changed during shutdown, doing nothing.");
1732             return;
1733         }
1734
1735         // if (!searchView.hasFocus()) {
1736         // Log.d(LOG, "searchText changed without focus, doing nothing.");
1737         // return;
1738         // }
1739         Log.d(LOG, "onSearchTextChange: " + text);
1740         if (currentSearchOperation != null) {
1741             Log.d(LOG, "Interrupting currentSearchOperation.");
1742             currentSearchOperation.interrupted.set(true);
1743         }
1744         currentSearchOperation = new SearchOperation(text, index);
1745         searchExecutor.execute(currentSearchOperation);
1746         ((FloatingActionButton)findViewById(R.id.floatSearchButton)).setImageResource(text.length() > 0 ? R.drawable.ic_clear_black_24dp : R.drawable.ic_search_black_24dp);
1747     }
1748
1749     // --------------------------------------------------------------------------
1750     // Filtered results.
1751     // --------------------------------------------------------------------------
1752
1753     boolean isFiltered() {
1754         return rowsToShow != null;
1755     }
1756
1757     void setFiltered(final SearchOperation searchOperation) {
1758         if (nextWordMenuItem != null) {
1759             nextWordMenuItem.setEnabled(false);
1760             previousWordMenuItem.setEnabled(false);
1761         }
1762         rowsToShow = searchOperation.multiWordSearchResult;
1763         setListAdapter(new IndexAdapter(index, rowsToShow, searchOperation.searchTokens));
1764     }
1765
1766     void clearFiltered() {
1767         if (nextWordMenuItem != null) {
1768             nextWordMenuItem.setEnabled(true);
1769             previousWordMenuItem.setEnabled(true);
1770         }
1771         setListAdapter(new IndexAdapter(index));
1772         rowsToShow = null;
1773     }
1774
1775 }