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

   1 // Copyright 2011 Google Inc. All Rights Reserved.
   2 //
   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.content.Context;
  20 import android.content.Intent;
  21 import android.content.SharedPreferences;
  22 import android.graphics.Color;
  23 import android.graphics.Typeface;
  24 import android.net.Uri;
  25 import android.os.Bundle;
  26 import android.os.Handler;
  27 import android.preference.PreferenceManager;
  28 import android.speech.tts.TextToSpeech;
  29 import android.speech.tts.TextToSpeech.OnInitListener;
  30 import android.text.ClipboardManager;
  31 import android.text.Editable;
  32 import android.text.Selection;
  33 import android.text.Spannable;
  34 import android.text.TextWatcher;
  35 import android.text.method.LinkMovementMethod;
  36 import android.text.style.ClickableSpan;
  37 import android.text.style.StyleSpan;
  38 import android.util.Log;
  39 import android.util.TypedValue;
  40 import android.view.ContextMenu;
  41 import android.view.ContextMenu.ContextMenuInfo;
  42 import android.view.KeyEvent;
  43 import android.view.LayoutInflater;
  44 import android.view.MotionEvent;
  45 import android.view.View;
  46 import android.view.View.OnClickListener;
  47 import android.view.View.OnFocusChangeListener;
  48 import android.view.View.OnLongClickListener;
  49 import android.view.ViewGroup;
  50 import android.view.WindowManager;
  51 import android.view.inputmethod.EditorInfo;
  52 import android.view.inputmethod.InputMethodManager;
  53 import android.widget.AdapterView.AdapterContextMenuInfo;
  54 import android.widget.BaseAdapter;
  55 import android.widget.Button;
  56 import android.widget.EditText;
  57 import android.widget.FrameLayout;
  58 import android.widget.ImageButton;
  59 import android.widget.ImageView;
  60 import android.widget.LinearLayout;
  61 import android.widget.ListAdapter;
  62 import android.widget.ListView;
  63 import android.widget.TableLayout;
  64 import android.widget.TableRow;
  65 import android.widget.TextView;
  66 import android.widget.TextView.BufferType;
  67 import android.widget.Toast;
  68
  69 import com.actionbarsherlock.app.ActionBar;
  70 import com.actionbarsherlock.app.SherlockListActivity;
  71 import com.actionbarsherlock.view.Menu;
  72 import com.actionbarsherlock.view.MenuItem;
  73 import com.actionbarsherlock.view.MenuItem.OnMenuItemClickListener;
  74 import com.actionbarsherlock.widget.SearchView;
  75 import com.actionbarsherlock.widget.SearchView.OnQueryTextListener;
  76 import com.hughes.android.dictionary.DictionaryInfo.IndexInfo;
  77 import com.hughes.android.dictionary.engine.Dictionary;
  78 import com.hughes.android.dictionary.engine.EntrySource;
  79 import com.hughes.android.dictionary.engine.HtmlEntry;
  80 import com.hughes.android.dictionary.engine.Index;
  81 import com.hughes.android.dictionary.engine.Index.IndexEntry;
  82 import com.hughes.android.dictionary.engine.Language;
  83 import com.hughes.android.dictionary.engine.Language.LanguageResources;
  84 import com.hughes.android.dictionary.engine.PairEntry;
  85 import com.hughes.android.dictionary.engine.PairEntry.Pair;
  86 import com.hughes.android.dictionary.engine.RowBase;
  87 import com.hughes.android.dictionary.engine.TokenRow;
  88 import com.hughes.android.dictionary.engine.TransliteratorManager;
  89 import com.hughes.android.util.IntentLauncher;
  90 import com.hughes.android.util.NonLinkClickableSpan;
  91 import com.hughes.util.StringUtil;
  92
  93 import java.io.File;
  94 import java.io.FileWriter;
  95 import java.io.IOException;
  96 import java.io.PrintWriter;
  97 import java.io.RandomAccessFile;
  98 import java.text.SimpleDateFormat;
  99 import java.util.Arrays;
 100 import java.util.Collections;
 101 import java.util.Date;
 102 import java.util.HashMap;
 103 import java.util.LinkedHashSet;
 104 import java.util.List;
 105 import java.util.Locale;
 106 import java.util.Random;
 107 import java.util.Set;
 108 import java.util.concurrent.Executor;
 109 import java.util.concurrent.Executors;
 110 import java.util.concurrent.ThreadFactory;
 111 import java.util.concurrent.atomic.AtomicBoolean;
 112 import java.util.regex.Matcher;
 113 import java.util.regex.Pattern;
 114
 115 public class DictionaryActivity extends SherlockListActivity {
 116
 117     static final String LOG = "QuickDic";
 118
 119     DictionaryApplication application;
 120
 121     File dictFile = null;
 122     RandomAccessFile dictRaf = null;
 123
 124     Dictionary dictionary = null;
 125
 126     int indexIndex = 0;
 127
 128     Index index = null;
 129
 130     List<RowBase> rowsToShow = null; // if not null, just show these rows.
 131
 132     final Handler uiHandler = new Handler();
 133
 134     private final Executor searchExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
 135         @Override
 136         public Thread newThread(Runnable r) {
 137             return new Thread(r, "searchExecutor");
 138         }
 139     });
 140
 141     private SearchOperation currentSearchOperation = null;
 142
 143
 144     TextToSpeech textToSpeech;
 145     volatile boolean ttsReady;
 146
 147     Typeface typeface;
 148     C.Theme theme = C.Theme.LIGHT;
 149     int textColorFg = Color.BLACK;
 150     int fontSizeSp;
 151
 152     SearchView searchView;
 153     ImageView searchHintIcon;
 154     SearchView.OnQueryTextListener onQueryTextListener;
 155
 156     MenuItem nextWordMenuItem, previousWordMenuItem;
 157
 158     // Never null.
 159     private File wordList = null;
 160     private boolean saveOnlyFirstSubentry = false;
 161     private boolean clickOpensContextMenu = false;
 162
 163     // Visible for testing.
 164     ListAdapter indexAdapter = null;
 165
 166     /**
 167      * For some languages, loading the transliterators used in this search takes
 168      * a long time, so we fire it up on a different thread, and don't invoke it
 169      * from the main thread until it's already finished once.
 170      */
 171     private volatile boolean indexPrepFinished = false;
 172
 173     public DictionaryActivity() {
 174     }
 175
 176     public static Intent getLaunchIntent(final File dictFile, final int indexIndex,
 177             final String searchToken) {
 178         final Intent intent = new Intent();
 179         intent.setClassName(DictionaryActivity.class.getPackage().getName(),
 180                 DictionaryActivity.class.getName());
 181         intent.putExtra(C.DICT_FILE, dictFile.getPath());
 182         intent.putExtra(C.INDEX_INDEX, indexIndex);
 183         intent.putExtra(C.SEARCH_TOKEN, searchToken);
 184         return intent;
 185     }
 186
 187     @Override
 188     protected void onSaveInstanceState(final Bundle outState) {
 189         super.onSaveInstanceState(outState);
 190         Log.d(LOG, "onSaveInstanceState: " + searchView.getQuery().toString());
 191         outState.putInt(C.INDEX_INDEX, indexIndex);
 192         outState.putString(C.SEARCH_TOKEN, searchView.getQuery().toString());
 193     }
 194
 195     @Override
 196     protected void onRestoreInstanceState(final Bundle outState) {
 197         super.onRestoreInstanceState(outState);
 198         Log.d(LOG, "onRestoreInstanceState: " + outState.getString(C.SEARCH_TOKEN));
 199         onCreate(outState);
 200     }
 201
 202     @Override
 203     public void onCreate(Bundle savedInstanceState) {
 204         Log.d(LOG, "onCreate:" + this);
 205         super.onCreate(savedInstanceState);
 206
 207         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 208
 209         // Don't auto-launch if this fails.
 210         prefs.edit().remove(C.INDEX_INDEX).commit();
 211
 212         setTheme(((DictionaryApplication) getApplication()).getSelectedTheme().themeId);
 213
 214         application = (DictionaryApplication) getApplication();
 215         theme = application.getSelectedTheme();
 216         textColorFg = getResources().getColor(theme.tokenRowFgColor);
 217
 218         final Intent intent = getIntent();
 219         dictFile = new File(intent.getStringExtra(C.DICT_FILE));
 220
 221         ttsReady = false;
 222         textToSpeech = new TextToSpeech(getApplicationContext(), new OnInitListener() {
 223             @Override
 224             public void onInit(int status) {
 225                 ttsReady = true;
 226                 updateTTSLanuage();
 227             }
 228         });
 229
 230         try {
 231             final String name = application.getDictionaryName(dictFile.getName());
 232             this.setTitle("QuickDic: " + name);
 233             dictRaf = new RandomAccessFile(dictFile, "r");
 234             dictionary = new Dictionary(dictRaf);
 235         } catch (Exception e) {
 236             Log.e(LOG, "Unable to load dictionary.", e);
 237             if (dictRaf != null) {
 238                 try {
 239                     dictRaf.close();
 240                 } catch (IOException e1) {
 241                     Log.e(LOG, "Unable to close dictRaf.", e1);
 242                 }
 243                 dictRaf = null;
 244             }
 245             Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()),
 246                     Toast.LENGTH_LONG).show();
 247             startActivity(DictionaryManagerActivity.getLaunchIntent());
 248             finish();
 249             return;
 250         }
 251         indexIndex = intent.getIntExtra(C.INDEX_INDEX, 0);
 252         if (savedInstanceState != null) {
 253             indexIndex = savedInstanceState.getInt(C.INDEX_INDEX, indexIndex);
 254         }
 255         indexIndex %= dictionary.indices.size();
 256         Log.d(LOG, "Loading index " + indexIndex);
 257         index = dictionary.indices.get(indexIndex);
 258         setListAdapter(new IndexAdapter(index));
 259
 260         // Pre-load the collators.
 261         new Thread(new Runnable() {
 262             public void run() {
 263                 final long startMillis = System.currentTimeMillis();
 264                 try {
 265                     TransliteratorManager.init(new TransliteratorManager.Callback() {
 266                         @Override
 267                         public void onTransliteratorReady() {
 268                             uiHandler.post(new Runnable() {
 269                                 @Override
 270                                 public void run() {
 271                                     onSearchTextChange(searchView.getQuery().toString());
 272                                 }
 273                             });
 274                         }
 275                     });
 276
 277                     for (final Index index : dictionary.indices) {
 278                         final String searchToken = index.sortedIndexEntries.get(0).token;
 279                         final IndexEntry entry = index.findExact(searchToken);
 280                         if (!searchToken.equals(entry.token)) {
 281                             Log.e(LOG, "Couldn't find token: " + searchToken + ", " + entry.token);
 282                         }
 283                     }
 284                     indexPrepFinished = true;
 285                 } catch (Exception e) {
 286                     Log.w(LOG,
 287                             "Exception while prepping.  This can happen if dictionary is closed while search is happening.");
 288                 }
 289                 Log.d(LOG, "Prepping indices took:" + (System.currentTimeMillis() - startMillis));
 290             }
 291         }).start();
 292
 293         String fontName = prefs.getString(getString(R.string.fontKey), "FreeSerif.ttf.jpg");
 294         if ("SYSTEM".equals(fontName)) {
 295             typeface = Typeface.DEFAULT;
 296         } else {
 297             try {
 298                 typeface = Typeface.createFromAsset(getAssets(), fontName);
 299             } catch (Exception e) {
 300                 Log.w(LOG, "Exception trying to use typeface, using default.", e);
 301                 Toast.makeText(this, getString(R.string.fontFailure, e.getLocalizedMessage()),
 302                         Toast.LENGTH_LONG).show();
 303             }
 304         }
 305         if (typeface == null) {
 306             Log.w(LOG, "Unable to create typeface, using default.");
 307             typeface = Typeface.DEFAULT;
 308         }
 309         final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "14");
 310         try {
 311             fontSizeSp = Integer.parseInt(fontSize.trim());
 312         } catch (NumberFormatException e) {
 313             fontSizeSp = 14;
 314         }
 315
 316         setContentView(R.layout.dictionary_activity);
 317
 318         // ContextMenu.
 319         registerForContextMenu(getListView());
 320
 321         // Cache some prefs.
 322         wordList = new File(prefs.getString(getString(R.string.wordListFileKey),
 323                 getString(R.string.wordListFileDefault)));
 324         saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey),
 325                 false);
 326         clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey),
 327                 false);
 328         Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
 329
 330         onCreateSetupActionBarAndSearchView();
 331
 332         // Set the search text from the intent, then the saved state.
 333         String text = getIntent().getStringExtra(C.SEARCH_TOKEN);
 334         if (savedInstanceState != null) {
 335             text = savedInstanceState.getString(C.SEARCH_TOKEN);
 336         }
 337         if (text == null) {
 338             text = "";
 339         }
 340         setSearchText(text, true);
 341         Log.d(LOG, "Trying to restore searchText=" + text);
 342
 343         setDictionaryPrefs(this, dictFile, indexIndex, searchView.getQuery().toString());
 344
 345         updateLangButton();
 346     }
 347
 348     private void onCreateSetupActionBarAndSearchView() {
 349         ActionBar actionBar = getSupportActionBar();
 350         actionBar.setDisplayShowTitleEnabled(false);
 351
 352         searchView = new SearchView(getSupportActionBar().getThemedContext());
 353         searchView.setIconifiedByDefault(false);
 354         // searchView.setIconified(false); // puts the magifying glass in the
 355         // wrong place.
 356         searchView.setQueryHint(getString(R.string.searchText));
 357         searchView.setSubmitButtonEnabled(false);
 358         final int width = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 300,
 359                 getResources().getDisplayMetrics());
 360         FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(width,
 361                 FrameLayout.LayoutParams.WRAP_CONTENT);
 362         searchView.setLayoutParams(lp);
 363         searchView.setImeOptions(
 364                 EditorInfo.IME_ACTION_SEARCH |
 365                         EditorInfo.IME_FLAG_NO_EXTRACT_UI |
 366                         EditorInfo.IME_FLAG_NO_ENTER_ACTION |
 367                         // EditorInfo.IME_FLAG_NO_FULLSCREEN | // Requires API
 368                         // 11
 369                         EditorInfo.IME_MASK_ACTION |
 370                         EditorInfo.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
 371         onQueryTextListener = new OnQueryTextListener() {
 372             @Override
 373             public boolean onQueryTextSubmit(String query) {
 374                 Log.d(LOG, "OnQueryTextListener: onQueryTextSubmit: " + searchView.getQuery());
 375                 return true;
 376             }
 377
 378             @Override
 379             public boolean onQueryTextChange(String newText) {
 380                 Log.d(LOG, "OnQueryTextListener: onQueryTextChange: " + searchView.getQuery());
 381                 onSearchTextChange(searchView.getQuery().toString());
 382                 return true;
 383             }
 384         };
 385         searchView.setOnQueryTextListener(onQueryTextListener);
 386
 387         searchHintIcon = (ImageView) searchView.findViewById(R.id.abs__search_mag_icon);
 388         searchHintIcon.setOnClickListener(new OnClickListener() {
 389             @Override
 390             public void onClick(View arg0) {
 391                 onLanguageButtonClick();
 392             }
 393         });
 394         searchHintIcon.setOnLongClickListener(new OnLongClickListener() {
 395             @Override
 396             public boolean onLongClick(View v) {
 397                 onLanguageButtonLongClick(v.getContext());
 398                 return true;
 399             }
 400         });
 401         actionBar.setCustomView(searchView);
 402         actionBar.setDisplayShowCustomEnabled(true);
 403     }
 404
 405     @Override
 406     protected void onResume() {
 407         Log.d(LOG, "onResume");
 408         super.onResume();
 409         if (SettingsActivity.settingsMightHaveChanged) {
 410             SettingsActivity.settingsMightHaveChanged = false;
 411             finish();
 412             startActivity(getIntent());
 413         }
 414         showKeyboard();
 415     }
 416
 417     @Override
 418     protected void onPause() {
 419         super.onPause();
 420     }
 421
 422     @Override
 423     /**
 424      * Invoked when MyWebView returns, since the user might have clicked some
 425      * hypertext in the MyWebView.
 426      */
 427     protected void onActivityResult(int requestCode, int resultCode, Intent result) {
 428         super.onActivityResult(requestCode, resultCode, result);
 429         if (result != null && result.hasExtra(C.SEARCH_TOKEN)) {
 430             Log.d(LOG, "onActivityResult: " + result.getStringExtra(C.SEARCH_TOKEN));
 431             jumpToTextFromHyperLink(result.getStringExtra(C.SEARCH_TOKEN), indexIndex);
 432         }
 433     }
 434
 435     private static void setDictionaryPrefs(final Context context, final File dictFile,
 436             final int indexIndex, final String searchToken) {
 437         final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(
 438                 context).edit();
 439         prefs.putString(C.DICT_FILE, dictFile.getPath());
 440         prefs.putInt(C.INDEX_INDEX, indexIndex);
 441         prefs.putString(C.SEARCH_TOKEN, ""); // Don't need to save search token.
 442         prefs.commit();
 443     }
 444
 445     @Override
 446     protected void onDestroy() {
 447         super.onDestroy();
 448         if (dictRaf == null) {
 449             return;
 450         }
 451
 452         final SearchOperation searchOperation = currentSearchOperation;
 453         currentSearchOperation = null;
 454
 455         // Before we close the RAF, we have to wind the current search down.
 456         if (searchOperation != null) {
 457             Log.d(LOG, "Interrupting search to shut down.");
 458             currentSearchOperation = null;
 459             searchOperation.interrupted.set(true);
 460         }
 461
 462         try {
 463             Log.d(LOG, "Closing RAF.");
 464             dictRaf.close();
 465         } catch (IOException e) {
 466             Log.e(LOG, "Failed to close dictionary", e);
 467         }
 468         dictRaf = null;
 469     }
 470
 471     // --------------------------------------------------------------------------
 472     // Buttons
 473     // --------------------------------------------------------------------------
 474
 475     private void showKeyboard() {
 476 //        searchText.postDelayed(new Runnable() {
 477 //            @Override
 478 //            public void run() {
 479 //                Log.d(LOG, "Trying to show soft keyboard.");
 480 //                final boolean searchTextHadFocus = searchText.hasFocus();
 481 //                searchText.requestFocus();
 482 //                final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 483 //                manager.showSoftInput(searchText, InputMethodManager.SHOW_IMPLICIT);
 484 //                if (!searchTextHadFocus) {
 485 //                    defocusSearchText();
 486 //                }
 487 //            }}, 100);
 488     }
 489
 490     void updateLangButton() {
 491         final LanguageResources languageResources =
 492                 Language.isoCodeToResources.get(index.shortName);
 493         if (languageResources != null && languageResources.flagId != 0) {
 494             searchHintIcon.setImageResource(languageResources.flagId);
 495         } else {
 496             if (indexIndex % 2 == 0) {
 497                 searchHintIcon.setImageResource(android.R.drawable.ic_media_next);
 498             } else {
 499                 searchHintIcon.setImageResource(android.R.drawable.ic_media_previous);
 500             }
 501         }
 502         updateTTSLanuage();
 503      }
 504
 505     private void updateTTSLanuage() {
 506         if (!ttsReady || index == null || textToSpeech == null) {
 507             Log.d(LOG, "Can't updateTTSLanguage.");
 508             return;
 509         }
 510         final Locale locale = new Locale(index.sortLanguage.getIsoCode());
 511         Log.d(LOG, "Setting TTS locale to: " + locale);
 512         final int ttsResult = textToSpeech.setLanguage(locale);
 513         if (ttsResult != TextToSpeech.LANG_AVAILABLE ||
 514             ttsResult != TextToSpeech.LANG_COUNTRY_AVAILABLE) {
 515             Log.e(LOG, "TTS not available in this language: ttsResult=" + ttsResult);
 516         }
 517     }
 518
 519     void onLanguageButtonClick() {
 520         if (currentSearchOperation != null) {
 521             currentSearchOperation.interrupted.set(true);
 522             currentSearchOperation = null;
 523         }
 524         setIndexAndSearchText((indexIndex + 1) % dictionary.indices.size(), searchView.getQuery().toString());
 525     }
 526
 527     void onLanguageButtonLongClick(final Context context) {
 528         final Dialog dialog = new Dialog(context);
 529         dialog.setContentView(R.layout.select_dictionary_dialog);
 530         dialog.setTitle(R.string.selectDictionary);
 531
 532         final List<DictionaryInfo> installedDicts = ((DictionaryApplication) getApplication())
 533                 .getUsableDicts();
 534
 535         ListView listView = (ListView) dialog.findViewById(android.R.id.list);
 536
 537         final Button button = new Button(listView.getContext());
 538         final String name = getString(R.string.dictionaryManager);
 539         button.setText(name);
 540         final IntentLauncher intentLauncher = new IntentLauncher(listView.getContext(),
 541                 DictionaryManagerActivity.getLaunchIntent()) {
 542             @Override
 543             protected void onGo() {
 544                 dialog.dismiss();
 545                 DictionaryActivity.this.finish();
 546             };
 547         };
 548         button.setOnClickListener(intentLauncher);
 549         listView.addHeaderView(button);
 550
 551         listView.setAdapter(new BaseAdapter() {
 552             @Override
 553             public View getView(int position, View convertView, ViewGroup parent) {
 554                 final DictionaryInfo dictionaryInfo = getItem(position);
 555
 556                 final LinearLayout result = new LinearLayout(parent.getContext());
 557
 558                 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
 559                     if (i > 0) {
 560                         final TextView dash = new TextView(parent.getContext());
 561                         dash.setText("-");
 562                         result.addView(dash);
 563                     }
 564
 565                     final IndexInfo indexInfo = dictionaryInfo.indexInfos.get(i);
 566                     final Button button = new Button(parent.getContext());
 567                     button.setText(indexInfo.shortName);
 568                     final IntentLauncher intentLauncher = new IntentLauncher(parent.getContext(),
 569                             getLaunchIntent(
 570                                     application.getPath(dictionaryInfo.uncompressedFilename),
 571                                     i, searchView.getQuery().toString())) {
 572                         @Override
 573                         protected void onGo() {
 574                             dialog.dismiss();
 575                             DictionaryActivity.this.finish();
 576                         };
 577                     };
 578                     button.setOnClickListener(intentLauncher);
 579                     result.addView(button);
 580
 581                 }
 582
 583                 final TextView nameView = new TextView(parent.getContext());
 584                 final String name = application
 585                         .getDictionaryName(dictionaryInfo.uncompressedFilename);
 586                 nameView.setText(name);
 587                 final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 588                         ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 589                 layoutParams.width = 0;
 590                 layoutParams.weight = 1.0f;
 591                 nameView.setLayoutParams(layoutParams);
 592                 result.addView(nameView);
 593
 594                 return result;
 595             }
 596
 597             @Override
 598             public long getItemId(int position) {
 599                 return position;
 600             }
 601
 602             @Override
 603             public DictionaryInfo getItem(int position) {
 604                 return installedDicts.get(position);
 605             }
 606
 607             @Override
 608             public int getCount() {
 609                 return installedDicts.size();
 610             }
 611         });
 612
 613         dialog.show();
 614     }
 615
 616     void onUpDownButton(final boolean up) {
 617         if (isFiltered()) {
 618             return;
 619         }
 620         final int firstVisibleRow = getListView().getFirstVisiblePosition();
 621         final RowBase row = index.rows.get(firstVisibleRow);
 622         final TokenRow tokenRow = row.getTokenRow(true);
 623         final int destIndexEntry;
 624         if (up) {
 625             if (row != tokenRow) {
 626                 destIndexEntry = tokenRow.referenceIndex;
 627             } else {
 628                 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
 629             }
 630         } else {
 631             // Down
 632             destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size());
 633         }
 634         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 635         Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
 636         setSearchText(dest.token, false);
 637         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 638         defocusSearchText();
 639     }
 640
 641     // --------------------------------------------------------------------------
 642     // Options Menu
 643     // --------------------------------------------------------------------------
 644
 645     final Random random = new Random();
 646
 647     @Override
 648     public boolean onCreateOptionsMenu(final Menu menu) {
 649
 650         if (PreferenceManager.getDefaultSharedPreferences(this)
 651                 .getBoolean(getString(R.string.showPrevNextButtonsKey), true)) {
 652             // Next word.
 653             nextWordMenuItem = menu.add(getString(R.string.nextWord))
 654                 .setIcon(R.drawable.arrow_down_float);
 655             nextWordMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
 656             nextWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 657                     @Override
 658                     public boolean onMenuItemClick(MenuItem item) {
 659                         onUpDownButton(false);
 660                         return true;
 661                     }
 662                 });
 663
 664             // Previous word.
 665             previousWordMenuItem = menu.add(getString(R.string.previousWord))
 666                 .setIcon(R.drawable.arrow_up_float);
 667             previousWordMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
 668             previousWordMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 669                     @Override
 670                     public boolean onMenuItemClick(MenuItem item) {
 671                         onUpDownButton(true);
 672                         return true;
 673                     }
 674                 });
 675         }
 676
 677         application.onCreateGlobalOptionsMenu(this, menu);
 678
 679         {
 680             final MenuItem dictionaryList = menu.add(getString(R.string.dictionaryManager));
 681             dictionaryList.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
 682             dictionaryList.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 683                 public boolean onMenuItemClick(final MenuItem menuItem) {
 684                     startActivity(DictionaryManagerActivity.getLaunchIntent());
 685                     finish();
 686                     return false;
 687                 }
 688             });
 689         }
 690
 691         {
 692             final MenuItem aboutDictionary = menu.add(getString(R.string.aboutDictionary));
 693             aboutDictionary.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
 694             aboutDictionary.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 695                 public boolean onMenuItemClick(final MenuItem menuItem) {
 696                     final Context context = getListView().getContext();
 697                     final Dialog dialog = new Dialog(context);
 698                     dialog.setContentView(R.layout.about_dictionary_dialog);
 699                     final TextView textView = (TextView) dialog.findViewById(R.id.text);
 700
 701                     final String name = application.getDictionaryName(dictFile.getName());
 702                     dialog.setTitle(name);
 703
 704                     final StringBuilder builder = new StringBuilder();
 705                     final DictionaryInfo dictionaryInfo = dictionary.getDictionaryInfo();
 706                     dictionaryInfo.uncompressedBytes = dictFile.length();
 707                     if (dictionaryInfo != null) {
 708                         builder.append(dictionaryInfo.dictInfo).append("\n\n");
 709                         builder.append(getString(R.string.dictionaryPath, dictFile.getPath()))
 710                                 .append("\n");
 711                         builder.append(
 712                                 getString(R.string.dictionarySize, dictionaryInfo.uncompressedBytes))
 713                                 .append("\n");
 714                         builder.append(
 715                                 getString(R.string.dictionaryCreationTime,
 716                                         dictionaryInfo.creationMillis)).append("\n");
 717                         for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
 718                             builder.append("\n");
 719                             builder.append(getString(R.string.indexName, indexInfo.shortName))
 720                                     .append("\n");
 721                             builder.append(
 722                                     getString(R.string.mainTokenCount, indexInfo.mainTokenCount))
 723                                     .append("\n");
 724                         }
 725                         builder.append("\n");
 726                         builder.append(getString(R.string.sources)).append("\n");
 727                         for (final EntrySource source : dictionary.sources) {
 728                             builder.append(
 729                                     getString(R.string.sourceInfo, source.getName(),
 730                                             source.getNumEntries())).append("\n");
 731                         }
 732                     }
 733                     textView.setText(builder.toString());
 734
 735                     dialog.show();
 736                     final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
 737                     layoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;
 738                     layoutParams.height = WindowManager.LayoutParams.MATCH_PARENT;
 739                     dialog.getWindow().setAttributes(layoutParams);
 740                     return false;
 741                 }
 742             });
 743         }
 744
 745         return true;
 746     }
 747
 748     // --------------------------------------------------------------------------
 749     // Context Menu + clicks
 750     // --------------------------------------------------------------------------
 751
 752     @Override
 753     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
 754         AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
 755         final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
 756
 757         final android.view.MenuItem addToWordlist = menu.add(getString(R.string.addToWordList,
 758                 wordList.getName()));
 759         addToWordlist.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 760             public boolean onMenuItemClick(android.view.MenuItem item) {
 761                 onAppendToWordList(row);
 762                 return false;
 763             }
 764         });
 765
 766         final android.view.MenuItem share = menu.add("Share");
 767         share.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 768             public boolean onMenuItemClick(android.view.MenuItem item) {
 769                 Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
 770                 shareIntent.setType("text/plain");
 771                 shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, row.getTokenRow(true).getToken());
 772                 shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, row.getRawText(saveOnlyFirstSubentry));
 773                 startActivity(shareIntent);
 774                 return false;
 775             }
 776         });
 777
 778         final android.view.MenuItem copy = menu.add(android.R.string.copy);
 779         copy.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 780             public boolean onMenuItemClick(android.view.MenuItem item) {
 781                 onCopy(row);
 782                 return false;
 783             }
 784         });
 785
 786         if (selectedSpannableText != null) {
 787             final String selectedText = selectedSpannableText;
 788             final android.view.MenuItem searchForSelection = menu.add(getString(R.string.searchForSelection,
 789                     selectedSpannableText));
 790             searchForSelection.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 791                 public boolean onMenuItemClick(android.view.MenuItem item) {
 792                     jumpToTextFromHyperLink(selectedText, selectedSpannableIndex);
 793                     return false;
 794                 }
 795             });
 796         }
 797
 798         if (row instanceof TokenRow && ttsReady) {
 799             final android.view.MenuItem speak = menu.add(R.string.speak);
 800             speak.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 801                 @Override
 802                 public boolean onMenuItemClick(android.view.MenuItem item) {
 803                     textToSpeech.speak(((TokenRow) row).getToken(), TextToSpeech.QUEUE_FLUSH,
 804                             new HashMap<String, String>());
 805                     return false;
 806                 }
 807             });
 808         }
 809     }
 810
 811     private void jumpToTextFromHyperLink(
 812             final String selectedText, final int defaultIndexToUse) {
 813         int indexToUse = -1;
 814         for (int i = 0; i < dictionary.indices.size(); ++i) {
 815             final Index index = dictionary.indices.get(i);
 816             if (indexPrepFinished) {
 817                 System.out.println("Doing index lookup: on " + selectedText);
 818                 final IndexEntry indexEntry = index.findExact(selectedText);
 819                 if (indexEntry != null) {
 820                     final TokenRow tokenRow = index.rows.get(indexEntry.startRow)
 821                             .getTokenRow(false);
 822                     if (tokenRow != null && tokenRow.hasMainEntry) {
 823                         indexToUse = i;
 824                         break;
 825                     }
 826                 }
 827             } else {
 828                 Log.w(LOG, "Skipping findExact on index " + index.shortName);
 829             }
 830         }
 831         if (indexToUse == -1) {
 832             indexToUse = defaultIndexToUse;
 833         }
 834         setIndexAndSearchText(indexToUse, selectedText);
 835     }
 836
 837     /**
 838      * Called when user clicks outside of search text, so that they can start
 839      * typing again immediately.
 840      */
 841     void defocusSearchText() {
 842         // Log.d(LOG, "defocusSearchText");
 843         // Request focus so that if we start typing again, it clears the text
 844         // input.
 845         getListView().requestFocus();
 846
 847         // Visual indication that a new keystroke will clear the search text.
 848         // Doesn't seem to work unless earchText has focus.
 849 //        searchView.selectAll();
 850     }
 851
 852     @Override
 853     protected void onListItemClick(ListView l, View v, int row, long id) {
 854         defocusSearchText();
 855         if (clickOpensContextMenu && dictRaf != null) {
 856             openContextMenu(v);
 857         }
 858     }
 859
 860     @SuppressLint("SimpleDateFormat")
 861     void onAppendToWordList(final RowBase row) {
 862         defocusSearchText();
 863
 864         final StringBuilder rawText = new StringBuilder();
 865         rawText.append(new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date())).append("\t");
 866         rawText.append(index.longName).append("\t");
 867         rawText.append(row.getTokenRow(true).getToken()).append("\t");
 868         rawText.append(row.getRawText(saveOnlyFirstSubentry));
 869         Log.d(LOG, "Writing : " + rawText);
 870
 871         try {
 872             wordList.getParentFile().mkdirs();
 873             final PrintWriter out = new PrintWriter(new FileWriter(wordList, true));
 874             out.println(rawText.toString());
 875             out.close();
 876         } catch (IOException e) {
 877             Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
 878             Toast.makeText(this,
 879                     getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()),
 880                     Toast.LENGTH_LONG).show();
 881         }
 882         return;
 883     }
 884
 885     @SuppressWarnings("deprecation")
 886     void onCopy(final RowBase row) {
 887         defocusSearchText();
 888
 889         Log.d(LOG, "Copy, row=" + row);
 890         final StringBuilder result = new StringBuilder();
 891         result.append(row.getRawText(false));
 892         final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
 893         clipboardManager.setText(result.toString());
 894         Log.d(LOG, "Copied: " + result);
 895     }
 896
 897     @Override
 898     public boolean onKeyDown(final int keyCode, final KeyEvent event) {
 899         if (event.getUnicodeChar() != 0) {
 900             if (!searchView.hasFocus()) {
 901                 setSearchText("" + (char) event.getUnicodeChar(), true);
 902             }
 903             searchView.requestFocus();
 904             return true;
 905         }
 906         if (keyCode == KeyEvent.KEYCODE_BACK) {
 907             // Log.d(LOG, "Clearing dictionary prefs.");
 908             // Pretend that we just autolaunched so that we won't do it again.
 909             // DictionaryManagerActivity.lastAutoLaunchMillis =
 910             // System.currentTimeMillis();
 911         }
 912         if (keyCode == KeyEvent.KEYCODE_ENTER) {
 913             Log.d(LOG, "Trying to hide soft keyboard.");
 914             final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 915             inputManager.hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(),
 916                     InputMethodManager.HIDE_NOT_ALWAYS);
 917             return true;
 918         }
 919         return super.onKeyDown(keyCode, event);
 920     }
 921
 922     private void setIndexAndSearchText(int newIndex, String newSearchText) {
 923         Log.d(LOG, "Changing index to: " + newIndex);
 924         if (newIndex == -1) {
 925             Log.e(LOG, "Invalid index.");
 926             newIndex = 0;
 927         }
 928         if (newIndex != indexIndex) {
 929             indexIndex = newIndex;
 930             index = dictionary.indices.get(indexIndex);
 931             indexAdapter = new IndexAdapter(index);
 932             setListAdapter(indexAdapter);
 933             Log.d(LOG, "changingIndex, newLang=" + index.longName);
 934             setDictionaryPrefs(this, dictFile, indexIndex, searchView.getQuery().toString());
 935             updateLangButton();
 936         }
 937         setSearchText(newSearchText, true);
 938     }
 939
 940     private void setSearchText(final String text, final boolean triggerSearch) {
 941         if (!triggerSearch) {
 942             searchView.setOnQueryTextListener(null);
 943         }
 944         searchView.setQuery(text, false);
 945         moveCursorToRight();
 946         if (!triggerSearch) {
 947             searchView.setOnQueryTextListener(onQueryTextListener);
 948         } else {
 949             onQueryTextListener.onQueryTextChange(text);
 950         }
 951     }
 952
 953 //    private long cursorDelayMillis = 100;
 954     private void moveCursorToRight() {
 955 //        if (searchText.getLayout() != null) {
 956 //            cursorDelayMillis = 100;
 957 //            // Surprising, but this can crash when you rotate...
 958 //            Selection.moveToRightEdge(searchView.getQuery(), searchText.getLayout());
 959 //        } else {
 960 //            uiHandler.postDelayed(new Runnable() {
 961 //                @Override
 962 //                public void run() {
 963 //                    moveCursorToRight();
 964 //                }
 965 //            }, cursorDelayMillis);
 966 //            cursorDelayMillis = Math.min(10 * 1000, 2 * cursorDelayMillis);
 967 //        }
 968     }
 969
 970     // --------------------------------------------------------------------------
 971     // SearchOperation
 972     // --------------------------------------------------------------------------
 973
 974     private void searchFinished(final SearchOperation searchOperation) {
 975         if (searchOperation.interrupted.get()) {
 976             Log.d(LOG, "Search operation was interrupted: " + searchOperation);
 977             return;
 978         }
 979         if (searchOperation != this.currentSearchOperation) {
 980             Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
 981             return;
 982         }
 983
 984         final Index.IndexEntry searchResult = searchOperation.searchResult;
 985         Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
 986
 987         currentSearchOperation = null;
 988         uiHandler.postDelayed(new Runnable() {
 989             @Override
 990             public void run() {
 991                 if (currentSearchOperation == null) {
 992                     if (searchResult != null) {
 993                         if (isFiltered()) {
 994                             clearFiltered();
 995                         }
 996                         jumpToRow(searchResult.startRow);
 997                     } else if (searchOperation.multiWordSearchResult != null) {
 998                         // Multi-row search....
 999                         setFiltered(searchOperation);
1000                     } else {
1001                         throw new IllegalStateException("This should never happen.");
1002                     }
1003                 } else {
1004                     Log.d(LOG, "More coming, waiting for currentSearchOperation.");
1005                 }
1006             }
1007         }, 20);
1008     }
1009
1010     private final void jumpToRow(final int row) {
1011         Log.d(LOG, "jumpToRow: " + row + ", refocusSearchText=" + false);
1012 //        getListView().requestFocusFromTouch();
1013         getListView().setSelectionFromTop(row, 0);
1014         getListView().setSelected(true);
1015     }
1016
1017     static final Pattern WHITESPACE = Pattern.compile("\\s+");
1018
1019     final class SearchOperation implements Runnable {
1020
1021         final AtomicBoolean interrupted = new AtomicBoolean(false);
1022
1023         final String searchText;
1024
1025         List<String> searchTokens; // filled in for multiWord.
1026
1027         final Index index;
1028
1029         long searchStartMillis;
1030
1031         Index.IndexEntry searchResult;
1032
1033         List<RowBase> multiWordSearchResult;
1034
1035         boolean done = false;
1036
1037         SearchOperation(final String searchText, final Index index) {
1038             this.searchText = StringUtil.normalizeWhitespace(searchText);
1039             this.index = index;
1040         }
1041
1042         public String toString() {
1043             return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
1044         }
1045
1046         @Override
1047         public void run() {
1048             try {
1049                 searchStartMillis = System.currentTimeMillis();
1050                 final String[] searchTokenArray = WHITESPACE.split(searchText);
1051                 if (searchTokenArray.length == 1) {
1052                     searchResult = index.findInsertionPoint(searchText, interrupted);
1053                 } else {
1054                     searchTokens = Arrays.asList(searchTokenArray);
1055                     multiWordSearchResult = index.multiWordSearch(searchText, searchTokens, interrupted);
1056                 }
1057                 Log.d(LOG,
1058                         "searchText=" + searchText + ", searchDuration="
1059                                 + (System.currentTimeMillis() - searchStartMillis)
1060                                 + ", interrupted=" + interrupted.get());
1061                 if (!interrupted.get()) {
1062                     uiHandler.post(new Runnable() {
1063                         @Override
1064                         public void run() {
1065                             searchFinished(SearchOperation.this);
1066                         }
1067                     });
1068                 } else {
1069                     Log.d(LOG, "interrupted, skipping searchFinished.");
1070                 }
1071             } catch (Exception e) {
1072                 Log.e(LOG, "Failure during search (can happen during Activity close.");
1073             } finally {
1074                 synchronized (this) {
1075                     done = true;
1076                     this.notifyAll();
1077                 }
1078             }
1079         }
1080     }
1081
1082     // --------------------------------------------------------------------------
1083     // IndexAdapter
1084     // --------------------------------------------------------------------------
1085
1086     static ViewGroup.LayoutParams WEIGHT_1 = new LinearLayout.LayoutParams(
1087             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 1.0f);
1088
1089     static ViewGroup.LayoutParams WEIGHT_0 = new LinearLayout.LayoutParams(
1090             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 0.0f);
1091
1092     final class IndexAdapter extends BaseAdapter {
1093
1094         private static final float PADDING_DEFAULT_DP = 8;
1095
1096         private static final float PADDING_LARGE_DP = 16;
1097
1098         final Index index;
1099
1100         final List<RowBase> rows;
1101
1102         final Set<String> toHighlight;
1103
1104         private int mPaddingDefault;
1105
1106         private int mPaddingLarge;
1107
1108         IndexAdapter(final Index index) {
1109             this.index = index;
1110             rows = index.rows;
1111             this.toHighlight = null;
1112             getMetrics();
1113         }
1114
1115         IndexAdapter(final Index index, final List<RowBase> rows, final List<String> toHighlight) {
1116             this.index = index;
1117             this.rows = rows;
1118             this.toHighlight = new LinkedHashSet<String>(toHighlight);
1119             getMetrics();
1120         }
1121
1122         private void getMetrics() {
1123             // Get the screen's density scale
1124             final float scale = getResources().getDisplayMetrics().density;
1125             // Convert the dps to pixels, based on density scale
1126             mPaddingDefault = (int) (PADDING_DEFAULT_DP * scale + 0.5f);
1127             mPaddingLarge = (int) (PADDING_LARGE_DP * scale + 0.5f);
1128         }
1129
1130         @Override
1131         public int getCount() {
1132             return rows.size();
1133         }
1134
1135         @Override
1136         public RowBase getItem(int position) {
1137             return rows.get(position);
1138         }
1139
1140         @Override
1141         public long getItemId(int position) {
1142             return getItem(position).index();
1143         }
1144
1145         @Override
1146         public TableLayout getView(int position, View convertView, ViewGroup parent) {
1147             final TableLayout result;
1148             if (convertView instanceof TableLayout) {
1149                 result = (TableLayout) convertView;
1150                 result.removeAllViews();
1151             } else {
1152                 result = new TableLayout(parent.getContext());
1153             }
1154             final RowBase row = getItem(position);
1155             if (row instanceof PairEntry.Row) {
1156                 return getView(position, (PairEntry.Row) row, parent, result);
1157             } else if (row instanceof TokenRow) {
1158                 return getView((TokenRow) row, parent, result);
1159             } else if (row instanceof HtmlEntry.Row) {
1160                 return getView((HtmlEntry.Row) row, parent, result);
1161             } else {
1162                 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
1163             }
1164         }
1165
1166         private TableLayout getView(final int position, PairEntry.Row row, ViewGroup parent,
1167                 final TableLayout result) {
1168             final PairEntry entry = row.getEntry();
1169             final int rowCount = entry.pairs.size();
1170
1171             final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
1172             layoutParams.weight = 0.5f;
1173             layoutParams.leftMargin = mPaddingLarge;
1174
1175             for (int r = 0; r < rowCount; ++r) {
1176                 final TableRow tableRow = new TableRow(result.getContext());
1177
1178                 final TextView col1 = new TextView(tableRow.getContext());
1179                 final TextView col2 = new TextView(tableRow.getContext());
1180
1181                 // Set the columns in the table.
1182                 if (r > 0) {
1183                     final TextView bullet = new TextView(tableRow.getContext());
1184                     bullet.setText(" • ");
1185                     tableRow.addView(bullet);
1186                 }
1187                 tableRow.addView(col1, layoutParams);
1188                 final TextView margin = new TextView(tableRow.getContext());
1189                 margin.setText(" ");
1190                 tableRow.addView(margin);
1191                 if (r > 0) {
1192                     final TextView bullet = new TextView(tableRow.getContext());
1193                     bullet.setText(" • ");
1194                     tableRow.addView(bullet);
1195                 }
1196                 tableRow.addView(col2, layoutParams);
1197                 col1.setWidth(1);
1198                 col2.setWidth(1);
1199
1200                 // Set what's in the columns.
1201
1202                 final Pair pair = entry.pairs.get(r);
1203                 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
1204                 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
1205
1206                 col1.setText(col1Text, TextView.BufferType.SPANNABLE);
1207                 col2.setText(col2Text, TextView.BufferType.SPANNABLE);
1208
1209                 // Bold the token instances in col1.
1210                 final Set<String> toBold = toHighlight != null ? this.toHighlight : Collections
1211                         .singleton(row.getTokenRow(true).getToken());
1212                 final Spannable col1Spannable = (Spannable) col1.getText();
1213                 for (final String token : toBold) {
1214                     int startPos = 0;
1215                     while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
1216                         col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos, startPos
1217                                 + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1218                         startPos += token.length();
1219                     }
1220                 }
1221
1222                 createTokenLinkSpans(col1, col1Spannable, col1Text);
1223                 createTokenLinkSpans(col2, (Spannable) col2.getText(), col2Text);
1224
1225                 col1.setTypeface(typeface);
1226                 col2.setTypeface(typeface);
1227                 col1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1228                 col2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1229                 // col2.setBackgroundResource(theme.otherLangBg);
1230
1231                 if (index.swapPairEntries) {
1232                     col2.setOnLongClickListener(textViewLongClickListenerIndex0);
1233                     col1.setOnLongClickListener(textViewLongClickListenerIndex1);
1234                 } else {
1235                     col1.setOnLongClickListener(textViewLongClickListenerIndex0);
1236                     col2.setOnLongClickListener(textViewLongClickListenerIndex1);
1237                 }
1238
1239                 result.addView(tableRow);
1240             }
1241
1242             // Because we have a Button inside a ListView row:
1243             // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
1244             result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
1245             result.setClickable(true);
1246             result.setFocusable(true);
1247             result.setLongClickable(true);
1248             result.setBackgroundResource(android.R.drawable.menuitem_background);
1249             result.setOnClickListener(new TextView.OnClickListener() {
1250                 @Override
1251                 public void onClick(View v) {
1252                     DictionaryActivity.this.onListItemClick(getListView(), v, position, position);
1253                 }
1254             });
1255
1256             return result;
1257         }
1258
1259         private TableLayout getPossibleLinkToHtmlEntryView(final boolean isTokenRow,
1260                 final String text, final boolean hasMainEntry, final List<HtmlEntry> htmlEntries,
1261                 final String htmlTextToHighlight, ViewGroup parent, final TableLayout result) {
1262             final Context context = parent.getContext();
1263
1264             final TableRow tableRow = new TableRow(result.getContext());
1265             tableRow.setBackgroundResource(hasMainEntry ? theme.tokenRowMainBg
1266                     : theme.tokenRowOtherBg);
1267             if (isTokenRow) {
1268                 tableRow.setPadding(mPaddingDefault, mPaddingDefault, mPaddingDefault, 0);
1269             } else {
1270                 tableRow.setPadding(mPaddingLarge, mPaddingDefault, mPaddingDefault, 0);
1271             }
1272             result.addView(tableRow);
1273
1274             // Make it so we can long-click on these token rows, too:
1275             final TextView textView = new TextView(context);
1276             textView.setText(text, BufferType.SPANNABLE);
1277             createTokenLinkSpans(textView, (Spannable) textView.getText(), text);
1278             final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1279                     0);
1280             textView.setOnLongClickListener(textViewLongClickListenerIndex0);
1281             result.setLongClickable(true);
1282
1283             // Doesn't work:
1284             // textView.setTextColor(android.R.color.secondary_text_light);
1285             textView.setTypeface(typeface);
1286             TableRow.LayoutParams lp = new TableRow.LayoutParams(0);
1287             if (isTokenRow) {
1288                 textView.setTextAppearance(context, theme.tokenRowFg);
1289                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 4 * fontSizeSp / 3);
1290             } else {
1291                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1292             }
1293             lp.weight = 1.0f;
1294
1295             textView.setLayoutParams(lp);
1296             tableRow.addView(textView);
1297
1298             if (!htmlEntries.isEmpty()) {
1299                 final ClickableSpan clickableSpan = new ClickableSpan() {
1300                     @Override
1301                     public void onClick(View widget) {
1302                     }
1303                 };
1304                 ((Spannable) textView.getText()).setSpan(clickableSpan, 0, text.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);
1305                 result.setClickable(true);
1306                 textView.setClickable(true);
1307                 textView.setMovementMethod(LinkMovementMethod.getInstance());
1308                 textView.setOnClickListener(new OnClickListener() {
1309                     @Override
1310                     public void onClick(View v) {
1311                         String html = HtmlEntry.htmlBody(htmlEntries, index.shortName);
1312                         //Log.d(LOG, "html=" + html);
1313                         startActivityForResult(
1314                                 HtmlDisplayActivity.getHtmlIntent(String.format(
1315                                         "<html><head></head><body>%s</body></html>", html),
1316                                         htmlTextToHighlight, false),
1317                                 0);
1318                     }
1319                 });
1320             }
1321             return result;
1322         }
1323
1324         private TableLayout getView(TokenRow row, ViewGroup parent, final TableLayout result) {
1325             final IndexEntry indexEntry = row.getIndexEntry();
1326             return getPossibleLinkToHtmlEntryView(true, indexEntry.token, row.hasMainEntry,
1327                     indexEntry.htmlEntries, null, parent, result);
1328         }
1329
1330         private TableLayout getView(HtmlEntry.Row row, ViewGroup parent, final TableLayout result) {
1331             final HtmlEntry htmlEntry = row.getEntry();
1332             final TokenRow tokenRow = row.getTokenRow(true);
1333             return getPossibleLinkToHtmlEntryView(false,
1334                     getString(R.string.seeAlso, htmlEntry.title, htmlEntry.entrySource.getName()),
1335                     false, Collections.singletonList(htmlEntry), tokenRow.getToken(), parent,
1336                     result);
1337         }
1338
1339     }
1340
1341     static final Pattern CHAR_DASH = Pattern.compile("['\\p{L}\\p{M}\\p{N}]+");
1342
1343     private void createTokenLinkSpans(final TextView textView, final Spannable spannable,
1344             final String text) {
1345         // Saw from the source code that LinkMovementMethod sets the selection!
1346         // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.1_r1/android/text/method/LinkMovementMethod.java#LinkMovementMethod
1347         textView.setMovementMethod(LinkMovementMethod.getInstance());
1348         final Matcher matcher = CHAR_DASH.matcher(text);
1349         while (matcher.find()) {
1350             spannable.setSpan(new NonLinkClickableSpan(textColorFg), matcher.start(), matcher.end(),
1351                     Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1352         }
1353     }
1354
1355     String selectedSpannableText = null;
1356
1357     int selectedSpannableIndex = -1;
1358
1359     @Override
1360     public boolean onTouchEvent(MotionEvent event) {
1361         selectedSpannableText = null;
1362         selectedSpannableIndex = -1;
1363         return super.onTouchEvent(event);
1364     }
1365
1366     private class TextViewLongClickListener implements OnLongClickListener {
1367         final int index;
1368
1369         private TextViewLongClickListener(final int index) {
1370             this.index = index;
1371         }
1372
1373         @Override
1374         public boolean onLongClick(final View v) {
1375             final TextView textView = (TextView) v;
1376             final int start = textView.getSelectionStart();
1377             final int end = textView.getSelectionEnd();
1378             if (start >= 0 && end >= 0) {
1379                 selectedSpannableText = textView.getText().subSequence(start, end).toString();
1380                 selectedSpannableIndex = index;
1381             }
1382             return false;
1383         }
1384     }
1385
1386     final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1387             0);
1388
1389     final TextViewLongClickListener textViewLongClickListenerIndex1 = new TextViewLongClickListener(
1390             1);
1391
1392     // --------------------------------------------------------------------------
1393     // SearchText
1394     // --------------------------------------------------------------------------
1395
1396     void onSearchTextChange(final String text) {
1397         if ("thadolina".equals(text)) {
1398             final Dialog dialog = new Dialog(getListView().getContext());
1399             dialog.setContentView(R.layout.thadolina_dialog);
1400             dialog.setTitle("Ti amo, amore mio!");
1401             final ImageView imageView = (ImageView) dialog.findViewById(R.id.thadolina_image);
1402             imageView.setOnClickListener(new OnClickListener() {
1403                 @Override
1404                 public void onClick(View v) {
1405                     final Intent intent = new Intent(Intent.ACTION_VIEW);
1406                     intent.setData(Uri.parse("https://sites.google.com/site/cfoxroxvday/vday2012"));
1407                     startActivity(intent);
1408                 }
1409             });
1410             dialog.show();
1411         }
1412         if (dictRaf == null) {
1413             Log.d(LOG, "searchText changed during shutdown, doing nothing.");
1414             return;
1415         }
1416 //        if (!searchView.hasFocus()) {
1417 //            Log.d(LOG, "searchText changed without focus, doing nothing.");
1418 //            return;
1419 //        }
1420         Log.d(LOG, "onSearchTextChange: " + text);
1421         if (currentSearchOperation != null) {
1422             Log.d(LOG, "Interrupting currentSearchOperation.");
1423             currentSearchOperation.interrupted.set(true);
1424         }
1425         currentSearchOperation = new SearchOperation(text, index);
1426         searchExecutor.execute(currentSearchOperation);
1427     }
1428
1429     // --------------------------------------------------------------------------
1430     // Filtered results.
1431     // --------------------------------------------------------------------------
1432
1433     boolean isFiltered() {
1434         return rowsToShow != null;
1435     }
1436
1437     void setFiltered(final SearchOperation searchOperation) {
1438         if (nextWordMenuItem != null) {
1439             nextWordMenuItem.setEnabled(false);
1440             previousWordMenuItem.setEnabled(false);
1441         }
1442         rowsToShow = searchOperation.multiWordSearchResult;
1443         setListAdapter(new IndexAdapter(index, rowsToShow, searchOperation.searchTokens));
1444     }
1445
1446     void clearFiltered() {
1447         if (nextWordMenuItem != null) {
1448             nextWordMenuItem.setEnabled(true);
1449             previousWordMenuItem.setEnabled(true);
1450         }
1451         setListAdapter(new IndexAdapter(index));
1452         rowsToShow = null;
1453     }
1454
1455 }