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