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.app.Dialog;
  18 import android.app.ListActivity;
  19 import android.content.Context;
  20 import android.content.Intent;
  21 import android.content.SharedPreferences;
  22 import android.graphics.Typeface;
  23 import android.net.Uri;
  24 import android.os.Bundle;
  25 import android.os.Handler;
  26 import android.preference.PreferenceManager;
  27 import android.speech.tts.TextToSpeech;
  28 import android.speech.tts.TextToSpeech.OnInitListener;
  29 import android.text.ClipboardManager;
  30 import android.text.Editable;
  31 import android.text.Selection;
  32 import android.text.Spannable;
  33 import android.text.TextWatcher;
  34 import android.text.method.LinkMovementMethod;
  35 import android.text.style.StyleSpan;
  36 import android.util.Log;
  37 import android.util.TypedValue;
  38 import android.view.ContextMenu;
  39 import android.view.ContextMenu.ContextMenuInfo;
  40 import android.view.KeyEvent;
  41 import android.view.Menu;
  42 import android.view.MenuItem;
  43 import android.view.MenuItem.OnMenuItemClickListener;
  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.InputMethodManager;
  52 import android.widget.AdapterView;
  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.ImageButton;
  58 import android.widget.ImageView;
  59 import android.widget.LinearLayout;
  60 import android.widget.ListAdapter;
  61 import android.widget.ListView;
  62 import android.widget.TableLayout;
  63 import android.widget.TableRow;
  64 import android.widget.TextView;
  65 import android.widget.TextView.BufferType;
  66 import android.widget.Toast;
  67
  68 import com.hughes.android.dictionary.DictionaryInfo.IndexInfo;
  69 import com.hughes.android.dictionary.engine.Dictionary;
  70 import com.hughes.android.dictionary.engine.EntrySource;
  71 import com.hughes.android.dictionary.engine.HtmlEntry;
  72 import com.hughes.android.dictionary.engine.Index;
  73 import com.hughes.android.dictionary.engine.Index.IndexEntry;
  74 import com.hughes.android.dictionary.engine.PairEntry;
  75 import com.hughes.android.dictionary.engine.PairEntry.Pair;
  76 import com.hughes.android.dictionary.engine.RowBase;
  77 import com.hughes.android.dictionary.engine.TokenRow;
  78 import com.hughes.android.dictionary.engine.TransliteratorManager;
  79 import com.hughes.android.util.IntentLauncher;
  80 import com.hughes.android.util.NonLinkClickableSpan;
  81
  82 import java.io.File;
  83 import java.io.FileWriter;
  84 import java.io.IOException;
  85 import java.io.PrintWriter;
  86 import java.io.RandomAccessFile;
  87 import java.text.SimpleDateFormat;
  88 import java.util.Arrays;
  89 import java.util.Collections;
  90 import java.util.Date;
  91 import java.util.HashMap;
  92 import java.util.LinkedHashSet;
  93 import java.util.List;
  94 import java.util.Locale;
  95 import java.util.Random;
  96 import java.util.Set;
  97 import java.util.concurrent.Executor;
  98 import java.util.concurrent.Executors;
  99 import java.util.concurrent.ThreadFactory;
 100 import java.util.concurrent.atomic.AtomicBoolean;
 101 import java.util.regex.Matcher;
 102 import java.util.regex.Pattern;
 103
 104 public class DictionaryActivity extends ListActivity {
 105
 106     static final String LOG = "QuickDic";
 107
 108     DictionaryApplication application;
 109
 110     File dictFile = null;
 111
 112     RandomAccessFile dictRaf = null;
 113
 114     Dictionary dictionary = null;
 115
 116     int indexIndex = 0;
 117
 118     Index index = null;
 119
 120     List<RowBase> rowsToShow = null; // if not null, just show these rows.
 121
 122     // package for test.
 123     final Handler uiHandler = new Handler();
 124
 125     TextToSpeech textToSpeech;
 126     volatile boolean ttsReady;
 127
 128     private final Executor searchExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
 129         @Override
 130         public Thread newThread(Runnable r) {
 131             return new Thread(r, "searchExecutor");
 132         }
 133     });
 134
 135     private SearchOperation currentSearchOperation = null;
 136
 137     C.Theme theme = C.Theme.LIGHT;
 138
 139     Typeface typeface;
 140
 141     int fontSizeSp;
 142
 143     EditText searchText;
 144
 145     Button langButton;
 146
 147     // Never null.
 148     private File wordList = null;
 149
 150     private boolean saveOnlyFirstSubentry = false;
 151
 152     private boolean clickOpensContextMenu = false;
 153
 154     // Visible for testing.
 155     ListAdapter indexAdapter = null;
 156
 157     final SearchTextWatcher searchTextWatcher = new SearchTextWatcher();
 158
 159     /**
 160      * For some languages, loading the transliterators used in this search takes
 161      * a long time, so we fire it up on a different thread, and don't invoke it
 162      * from the main thread until it's already finished once.
 163      */
 164     private volatile boolean indexPrepFinished = false;
 165
 166     public DictionaryActivity() {
 167     }
 168
 169     public static Intent getLaunchIntent(final File dictFile, final int indexIndex,
 170             final String searchToken) {
 171         final Intent intent = new Intent();
 172         intent.setClassName(DictionaryActivity.class.getPackage().getName(),
 173                 DictionaryActivity.class.getName());
 174         intent.putExtra(C.DICT_FILE, dictFile.getPath());
 175         intent.putExtra(C.INDEX_INDEX, indexIndex);
 176         intent.putExtra(C.SEARCH_TOKEN, searchToken);
 177         return intent;
 178     }
 179
 180     @Override
 181     protected void onSaveInstanceState(final Bundle outState) {
 182         super.onSaveInstanceState(outState);
 183         Log.d(LOG, "onSaveInstanceState: " + searchText.getText().toString());
 184         outState.putInt(C.INDEX_INDEX, indexIndex);
 185         outState.putString(C.SEARCH_TOKEN, searchText.getText().toString());
 186     }
 187
 188     @Override
 189     protected void onRestoreInstanceState(final Bundle outState) {
 190         super.onRestoreInstanceState(outState);
 191         Log.d(LOG, "onRestoreInstanceState: " + outState.getString(C.SEARCH_TOKEN));
 192         onCreate(outState);
 193     }
 194
 195     @Override
 196     public void onCreate(Bundle savedInstanceState) {
 197         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 198         prefs.edit().remove(C.INDEX_INDEX).commit(); // Don't auto-launch if
 199                                                      // this fails.
 200
 201         setTheme(((DictionaryApplication) getApplication()).getSelectedTheme().themeId);
 202
 203         Log.d(LOG, "onCreate:" + this);
 204         super.onCreate(savedInstanceState);
 205
 206         application = (DictionaryApplication) getApplication();
 207         theme = application.getSelectedTheme();
 208
 209         final Intent intent = getIntent();
 210         dictFile = new File(intent.getStringExtra(C.DICT_FILE));
 211
 212         ttsReady = false;
 213         textToSpeech = new TextToSpeech(getApplicationContext(), new OnInitListener() {
 214             @Override
 215             public void onInit(int status) {
 216                 ttsReady = true;
 217                 updateTTSLanuage();
 218             }
 219         });
 220
 221         try {
 222             final String name = application.getDictionaryName(dictFile.getName());
 223             this.setTitle("QuickDic: " + name);
 224             dictRaf = new RandomAccessFile(dictFile, "r");
 225             dictionary = new Dictionary(dictRaf);
 226         } catch (Exception e) {
 227             Log.e(LOG, "Unable to load dictionary.", e);
 228             if (dictRaf != null) {
 229                 try {
 230                     dictRaf.close();
 231                 } catch (IOException e1) {
 232                     Log.e(LOG, "Unable to close dictRaf.", e1);
 233                 }
 234                 dictRaf = null;
 235             }
 236             Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()),
 237                     Toast.LENGTH_LONG).show();
 238             startActivity(DictionaryManagerActivity.getLaunchIntent());
 239             finish();
 240             return;
 241         }
 242         indexIndex = intent.getIntExtra(C.INDEX_INDEX, 0);
 243         if (savedInstanceState != null) {
 244             indexIndex = savedInstanceState.getInt(C.INDEX_INDEX, indexIndex);
 245         }
 246         indexIndex %= dictionary.indices.size();
 247         Log.d(LOG, "Loading index " + indexIndex);
 248         index = dictionary.indices.get(indexIndex);
 249         setListAdapter(new IndexAdapter(index));
 250
 251         // Pre-load the collators.
 252         new Thread(new Runnable() {
 253             public void run() {
 254                 final long startMillis = System.currentTimeMillis();
 255                 try {
 256                     TransliteratorManager.init(new TransliteratorManager.Callback() {
 257                         @Override
 258                         public void onTransliteratorReady() {
 259                             uiHandler.post(new Runnable() {
 260                                 @Override
 261                                 public void run() {
 262                                     onSearchTextChange(searchText.getText().toString());
 263                                 }
 264                             });
 265                         }
 266                     });
 267
 268                     for (final Index index : dictionary.indices) {
 269                         final String searchToken = index.sortedIndexEntries.get(0).token;
 270                         final IndexEntry entry = index.findExact(searchToken);
 271                         if (!searchToken.equals(entry.token)) {
 272                             Log.e(LOG, "Couldn't find token: " + searchToken + ", " + entry.token);
 273                         }
 274                     }
 275                     indexPrepFinished = true;
 276                 } catch (Exception e) {
 277                     Log.w(LOG,
 278                             "Exception while prepping.  This can happen if dictionary is closed while search is happening.");
 279                 }
 280                 Log.d(LOG, "Prepping indices took:" + (System.currentTimeMillis() - startMillis));
 281             }
 282         }).start();
 283
 284         String fontName = prefs.getString(getString(R.string.fontKey), "FreeSerif.ttf.jpg");
 285         if ("SYSTEM".equals(fontName)) {
 286             typeface = Typeface.DEFAULT;
 287         } else {
 288             try {
 289                 typeface = Typeface.createFromAsset(getAssets(), fontName);
 290             } catch (Exception e) {
 291                 Log.w(LOG, "Exception trying to use typeface, using default.", e);
 292                 Toast.makeText(this, getString(R.string.fontFailure, e.getLocalizedMessage()),
 293                         Toast.LENGTH_LONG).show();
 294             }
 295         }
 296         // if (!"SYSTEM".equals(fontName)) {
 297         // throw new RuntimeException("Test force using system font: " +
 298         // fontName);
 299         // }
 300         if (typeface == null) {
 301             Log.w(LOG, "Unable to create typeface, using default.");
 302             typeface = Typeface.DEFAULT;
 303         }
 304         final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "14");
 305         try {
 306             fontSizeSp = Integer.parseInt(fontSize.trim());
 307         } catch (NumberFormatException e) {
 308             fontSizeSp = 14;
 309         }
 310
 311         setContentView(R.layout.dictionary_activity);
 312         searchText = (EditText) findViewById(R.id.SearchText);
 313         searchText.requestFocus();
 314         searchText.addTextChangedListener(searchTextWatcher);
 315         searchText.setOnFocusChangeListener(new OnFocusChangeListener() {
 316             @Override
 317             public void onFocusChange(View v, boolean hasFocus) {
 318                 Log.d(LOG, "searchText onFocusChange hasFocus=" + hasFocus);
 319             }
 320         });
 321
 322         // Set the search text from the intent, then the saved state.
 323         String text = getIntent().getStringExtra(C.SEARCH_TOKEN);
 324         if (savedInstanceState != null) {
 325             text = savedInstanceState.getString(C.SEARCH_TOKEN);
 326         }
 327         if (text == null) {
 328             text = "";
 329         }
 330         setSearchText(text, true);
 331         Log.d(LOG, "Trying to restore searchText=" + text);
 332
 333         final View clearSearchTextButton = findViewById(R.id.ClearSearchTextButton);
 334         clearSearchTextButton.setOnClickListener(new OnClickListener() {
 335             public void onClick(View v) {
 336                 onClearSearchTextButton();
 337             }
 338         });
 339         clearSearchTextButton.setVisibility(PreferenceManager.getDefaultSharedPreferences(this)
 340                 .getBoolean(getString(R.string.showClearSearchTextButtonKey), true) ? View.VISIBLE
 341                 : View.GONE);
 342
 343         langButton = (Button) findViewById(R.id.LangButton);
 344         langButton.setOnClickListener(new OnClickListener() {
 345             public void onClick(View v) {
 346                 onLanguageButton();
 347             }
 348         });
 349         langButton.setOnLongClickListener(new OnLongClickListener() {
 350             @Override
 351             public boolean onLongClick(View v) {
 352                 onLanguageButtonLongClick(v.getContext());
 353                 return true;
 354             }
 355         });
 356         updateLangButton();
 357
 358         final View upButton = findViewById(R.id.UpButton);
 359         upButton.setOnClickListener(new OnClickListener() {
 360             public void onClick(View v) {
 361                 onUpDownButton(true);
 362             }
 363         });
 364         final View downButton = findViewById(R.id.DownButton);
 365         downButton.setOnClickListener(new OnClickListener() {
 366             public void onClick(View v) {
 367                 onUpDownButton(false);
 368             }
 369         });
 370
 371 //        getListView().setOnItemSelectedListener(new ListView.OnItemSelectedListener() {
 372 //            @Override
 373 //            public void onItemSelected(AdapterView<?> adapterView, View arg1, final int position,
 374 //                    long id) {
 375 //                if (!searchText.isFocused()) {
 376 //                    if (!isFiltered()) {
 377 //                        final RowBase row = (RowBase) getListAdapter().getItem(position);
 378 //                        Log.d(LOG, "onItemSelected: " + row.index());
 379 //                        final TokenRow tokenRow = row.getTokenRow(true);
 380 //                        searchText.setText(tokenRow.getToken());
 381 //                    }
 382 //                }
 383 //            }
 384 //
 385 //            @Override
 386 //            public void onNothingSelected(AdapterView<?> arg0) {
 387 //            }
 388 //        });
 389 //
 390         // ContextMenu.
 391         registerForContextMenu(getListView());
 392
 393         // Prefs.
 394         wordList = new File(prefs.getString(getString(R.string.wordListFileKey),
 395                 getString(R.string.wordListFileDefault)));
 396         saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey),
 397                 false);
 398         clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey),
 399                 false);
 400         // if (prefs.getBoolean(getString(R.string.vibrateOnFailedSearchKey),
 401         // true)) {
 402         // vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
 403         // }
 404         Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
 405
 406         setDictionaryPrefs(this, dictFile, indexIndex, searchText.getText().toString());
 407     }
 408
 409     @Override
 410     protected void onResume() {
 411         Log.d(LOG, "onResume");
 412         super.onResume();
 413         if (PreferenceActivity.prefsMightHaveChanged) {
 414             PreferenceActivity.prefsMightHaveChanged = false;
 415             finish();
 416             startActivity(getIntent());
 417         }
 418         showKeyboard();
 419     }
 420
 421     @Override
 422     protected void onPause() {
 423         super.onPause();
 424     }
 425
 426     @Override
 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 onClearSearchTextButton() {
 476         setSearchText("", true);
 477         showKeyboard();
 478     }
 479
 480     private void showKeyboard() {
 481         searchText.postDelayed(new Runnable() {
 482             @Override
 483             public void run() {
 484                 Log.d(LOG, "Trying to show soft keyboard.");
 485                 final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 486                 manager.showSoftInput(searchText, InputMethodManager.SHOW_IMPLICIT);
 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         // langButton.setCompoundDrawablesWithIntrinsicBounds(0, 0,
 495         // languageResources.flagId, 0);
 496         // } else {
 497         // langButton.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 498         langButton.setText(index.shortName);
 499         // }
 500         updateTTSLanuage();
 501     }
 502
 503     private void updateTTSLanuage() {
 504         if (!ttsReady) {
 505             return;
 506         }
 507         final Locale locale = new Locale(index.sortLanguage.getIsoCode());
 508         Log.d(LOG, "Setting TTS locale to: " + locale);
 509         final int ttsResult = textToSpeech.setLanguage(locale);
 510         if (ttsResult != TextToSpeech.LANG_AVAILABLE || ttsResult != TextToSpeech.LANG_COUNTRY_AVAILABLE) {
 511             Log.e(LOG, "TTS not available in this language: ttsResult=" + ttsResult);
 512         }
 513     }
 514
 515     void onLanguageButton() {
 516         if (currentSearchOperation != null) {
 517             currentSearchOperation.interrupted.set(true);
 518             currentSearchOperation = null;
 519         }
 520         changeIndexAndResearch((indexIndex + 1) % dictionary.indices.size());
 521     }
 522
 523     void onLanguageButtonLongClick(final Context context) {
 524         final Dialog dialog = new Dialog(context);
 525         dialog.setContentView(R.layout.select_dictionary_dialog);
 526         dialog.setTitle(R.string.selectDictionary);
 527
 528         final List<DictionaryInfo> installedDicts = ((DictionaryApplication) getApplication())
 529                 .getUsableDicts();
 530
 531         ListView listView = (ListView) dialog.findViewById(android.R.id.list);
 532
 533         // final LinearLayout.LayoutParams layoutParams = new
 534         // LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
 535         // ViewGroup.LayoutParams.WRAP_CONTENT);
 536         // layoutParams.width = 0;
 537         // layoutParams.weight = 1.0f;
 538
 539         final Button button = new Button(listView.getContext());
 540         final String name = getString(R.string.dictionaryManager);
 541         button.setText(name);
 542         final IntentLauncher intentLauncher = new IntentLauncher(listView.getContext(),
 543                 DictionaryManagerActivity.getLaunchIntent()) {
 544             @Override
 545             protected void onGo() {
 546                 dialog.dismiss();
 547                 DictionaryActivity.this.finish();
 548             };
 549         };
 550         button.setOnClickListener(intentLauncher);
 551         // button.setLayoutParams(layoutParams);
 552         listView.addHeaderView(button);
 553         // listView.setHeaderDividersEnabled(true);
 554
 555         listView.setAdapter(new BaseAdapter() {
 556             @Override
 557             public View getView(int position, View convertView, ViewGroup parent) {
 558                 final DictionaryInfo dictionaryInfo = getItem(position);
 559
 560                 final LinearLayout result = new LinearLayout(parent.getContext());
 561
 562                 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
 563                     if (i > 0) {
 564                         final TextView dash = new TextView(parent.getContext());
 565                         dash.setText("-");
 566                         result.addView(dash);
 567                     }
 568
 569                     final IndexInfo indexInfo = dictionaryInfo.indexInfos.get(i);
 570                     final Button button = new Button(parent.getContext());
 571                     button.setText(indexInfo.shortName);
 572                     final IntentLauncher intentLauncher = new IntentLauncher(parent.getContext(),
 573                             getLaunchIntent(
 574                                     application.getPath(dictionaryInfo.uncompressedFilename),
 575                                     i, searchText.getText().toString())) {
 576                         @Override
 577                         protected void onGo() {
 578                             dialog.dismiss();
 579                             DictionaryActivity.this.finish();
 580                         };
 581                     };
 582                     button.setOnClickListener(intentLauncher);
 583                     result.addView(button);
 584
 585                 }
 586
 587                 final TextView nameView = new TextView(parent.getContext());
 588                 final String name = application
 589                         .getDictionaryName(dictionaryInfo.uncompressedFilename);
 590                 nameView.setText(name);
 591                 final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 592                         ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 593                 layoutParams.width = 0;
 594                 layoutParams.weight = 1.0f;
 595                 nameView.setLayoutParams(layoutParams);
 596                 result.addView(nameView);
 597
 598                 return result;
 599             }
 600
 601             @Override
 602             public long getItemId(int position) {
 603                 return position;
 604             }
 605
 606             @Override
 607             public DictionaryInfo getItem(int position) {
 608                 return installedDicts.get(position);
 609             }
 610
 611             @Override
 612             public int getCount() {
 613                 return installedDicts.size();
 614             }
 615         });
 616
 617         dialog.show();
 618     }
 619
 620     private void changeIndexAndResearch(int newIndex) {
 621         Log.d(LOG, "Changing index to: " + newIndex);
 622         if (newIndex == -1) {
 623             Log.e(LOG, "Invalid index.");
 624             newIndex = 0;
 625         }
 626         indexIndex = newIndex;
 627         index = dictionary.indices.get(indexIndex);
 628         indexAdapter = new IndexAdapter(index);
 629         Log.d(LOG, "changingIndex, newLang=" + index.longName);
 630         setDictionaryPrefs(this, dictFile, indexIndex, searchText.getText().toString());
 631         setListAdapter(indexAdapter);
 632         updateLangButton();
 633         setSearchText(searchText.getText().toString(), true);
 634     }
 635
 636     void onUpDownButton(final boolean up) {
 637         if (isFiltered()) {
 638             return;
 639         }
 640         final int firstVisibleRow = getListView().getFirstVisiblePosition();
 641         final RowBase row = index.rows.get(firstVisibleRow);
 642         final TokenRow tokenRow = row.getTokenRow(true);
 643         final int destIndexEntry;
 644         if (up) {
 645             if (row != tokenRow) {
 646                 destIndexEntry = tokenRow.referenceIndex;
 647             } else {
 648                 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
 649             }
 650         } else {
 651             // Down
 652             destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size());
 653         }
 654         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 655         Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
 656         setSearchText(dest.token, false);
 657         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 658         defocusSearchText();
 659     }
 660
 661     // --------------------------------------------------------------------------
 662     // Options Menu
 663     // --------------------------------------------------------------------------
 664
 665     final Random random = new Random();
 666
 667     @Override
 668     public boolean onCreateOptionsMenu(final Menu menu) {
 669         application.onCreateGlobalOptionsMenu(this, menu);
 670
 671 //        {
 672 //            final MenuItem randomWord = menu.add(getString(R.string.randomWord));
 673 //            randomWord.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 674 //                public boolean onMenuItemClick(final MenuItem menuItem) {
 675 //                    final String word = index.sortedIndexEntries.get(random
 676 //                            .nextInt(index.sortedIndexEntries.size())).token;
 677 //                    setSearchText(word, true);
 678 //                    return false;
 679 //                }
 680 //            });
 681 //        }
 682
 683         {
 684             final MenuItem dictionaryList = menu.add(getString(R.string.dictionaryManager));
 685             dictionaryList.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 686                 public boolean onMenuItemClick(final MenuItem menuItem) {
 687                     startActivity(DictionaryManagerActivity.getLaunchIntent());
 688                     finish();
 689                     return false;
 690                 }
 691             });
 692         }
 693
 694         {
 695             final MenuItem aboutDictionary = menu.add(getString(R.string.aboutDictionary));
 696             aboutDictionary.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 697                 public boolean onMenuItemClick(final MenuItem menuItem) {
 698                     final Context context = getListView().getContext();
 699                     final Dialog dialog = new Dialog(context);
 700                     dialog.setContentView(R.layout.about_dictionary_dialog);
 701                     final TextView textView = (TextView) dialog.findViewById(R.id.text);
 702
 703                     final String name = application.getDictionaryName(dictFile.getName());
 704                     dialog.setTitle(name);
 705
 706                     final StringBuilder builder = new StringBuilder();
 707                     final DictionaryInfo dictionaryInfo = dictionary.getDictionaryInfo();
 708                     dictionaryInfo.uncompressedBytes = dictFile.length();
 709                     if (dictionaryInfo != null) {
 710                         builder.append(dictionaryInfo.dictInfo).append("\n\n");
 711                         builder.append(getString(R.string.dictionaryPath, dictFile.getPath()))
 712                                 .append("\n");
 713                         builder.append(
 714                                 getString(R.string.dictionarySize, dictionaryInfo.uncompressedBytes))
 715                                 .append("\n");
 716                         builder.append(
 717                                 getString(R.string.dictionaryCreationTime,
 718                                         dictionaryInfo.creationMillis)).append("\n");
 719                         for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
 720                             builder.append("\n");
 721                             builder.append(getString(R.string.indexName, indexInfo.shortName))
 722                                     .append("\n");
 723                             builder.append(
 724                                     getString(R.string.mainTokenCount, indexInfo.mainTokenCount))
 725                                     .append("\n");
 726                         }
 727                         builder.append("\n");
 728                         builder.append(getString(R.string.sources)).append("\n");
 729                         for (final EntrySource source : dictionary.sources) {
 730                             builder.append(
 731                                     getString(R.string.sourceInfo, source.getName(),
 732                                             source.getNumEntries())).append("\n");
 733                         }
 734                     }
 735                     // } else {
 736                     // builder.append(getString(R.string.invalidDictionary));
 737                     // }
 738                     textView.setText(builder.toString());
 739
 740                     dialog.show();
 741                     final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
 742                     layoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;
 743                     layoutParams.height = WindowManager.LayoutParams.MATCH_PARENT;
 744                     dialog.getWindow().setAttributes(layoutParams);
 745                     return false;
 746                 }
 747             });
 748         }
 749
 750         return true;
 751     }
 752
 753     // --------------------------------------------------------------------------
 754     // Context Menu + clicks
 755     // --------------------------------------------------------------------------
 756
 757     @Override
 758     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
 759         AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
 760         final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
 761
 762         final MenuItem addToWordlist = menu.add(getString(R.string.addToWordList,
 763                 wordList.getName()));
 764         addToWordlist.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 765             public boolean onMenuItemClick(MenuItem item) {
 766                 onAppendToWordList(row);
 767                 return false;
 768             }
 769         });
 770
 771         final MenuItem copy = menu.add(android.R.string.copy);
 772         copy.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 773             public boolean onMenuItemClick(MenuItem item) {
 774                 onCopy(row);
 775                 return false;
 776             }
 777         });
 778
 779         if (selectedSpannableText != null) {
 780             final String selectedText = selectedSpannableText;
 781             final MenuItem searchForSelection = menu.add(getString(R.string.searchForSelection,
 782                     selectedSpannableText));
 783             searchForSelection.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 784                 public boolean onMenuItemClick(MenuItem item) {
 785                     jumpToTextFromHyperLink(selectedText, selectedSpannableIndex);
 786                     return false;
 787                 }
 788             });
 789         }
 790
 791         if (row instanceof TokenRow && ttsReady) {
 792             final MenuItem speak = menu.add(R.string.speak);
 793             speak.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 794                 @Override
 795                 public boolean onMenuItemClick(MenuItem item) {
 796                     textToSpeech.speak(((TokenRow) row).getToken(), TextToSpeech.QUEUE_FLUSH,
 797                             new HashMap<String, String>());
 798                     return false;
 799                 }
 800             });
 801         }
 802     }
 803
 804     private void jumpToTextFromHyperLink(final String selectedText, final int defaultIndexToUse) {
 805         int indexToUse = -1;
 806         for (int i = 0; i < dictionary.indices.size(); ++i) {
 807             final Index index = dictionary.indices.get(i);
 808             if (indexPrepFinished) {
 809                 System.out.println("Doing index lookup: on " + selectedText);
 810                 final IndexEntry indexEntry = index.findExact(selectedText);
 811                 if (indexEntry != null) {
 812                     final TokenRow tokenRow = index.rows.get(indexEntry.startRow)
 813                             .getTokenRow(false);
 814                     if (tokenRow != null && tokenRow.hasMainEntry) {
 815                         indexToUse = i;
 816                         break;
 817                     }
 818                 }
 819             } else {
 820                 Log.w(LOG, "Skipping findExact on index " + index.shortName);
 821             }
 822         }
 823         if (indexToUse == -1) {
 824             indexToUse = defaultIndexToUse;
 825         }
 826         final boolean changeIndex = indexIndex != indexToUse;
 827         if (changeIndex) {
 828             setSearchText(selectedText, false);
 829             changeIndexAndResearch(indexToUse);
 830         } else {
 831             setSearchText(selectedText, true);
 832         }
 833     }
 834
 835     @Override
 836     protected void onListItemClick(ListView l, View v, int row, long id) {
 837         defocusSearchText();
 838         if (clickOpensContextMenu && dictRaf != null) {
 839             openContextMenu(v);
 840         }
 841     }
 842
 843     void onAppendToWordList(final RowBase row) {
 844         defocusSearchText();
 845
 846         final StringBuilder rawText = new StringBuilder();
 847         rawText.append(new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date())).append("\t");
 848         rawText.append(index.longName).append("\t");
 849         rawText.append(row.getTokenRow(true).getToken()).append("\t");
 850         rawText.append(row.getRawText(saveOnlyFirstSubentry));
 851         Log.d(LOG, "Writing : " + rawText);
 852
 853         try {
 854             wordList.getParentFile().mkdirs();
 855             final PrintWriter out = new PrintWriter(new FileWriter(wordList, true));
 856             out.println(rawText.toString());
 857             out.close();
 858         } catch (IOException e) {
 859             Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
 860             Toast.makeText(this,
 861                     getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()),
 862                     Toast.LENGTH_LONG).show();
 863         }
 864         return;
 865     }
 866
 867     /**
 868      * Called when user clicks outside of search text, so that they can start
 869      * typing again immediately.
 870      */
 871     void defocusSearchText() {
 872         // Log.d(LOG, "defocusSearchText");
 873         // Request focus so that if we start typing again, it clears the text
 874         // input.
 875         getListView().requestFocus();
 876
 877         // Visual indication that a new keystroke will clear the search text.
 878         // Doesn't seem to work unless earchText has focus.
 879         // searchText.selectAll();
 880     }
 881
 882     @SuppressWarnings("deprecation")
 883     void onCopy(final RowBase row) {
 884         defocusSearchText();
 885
 886         Log.d(LOG, "Copy, row=" + row);
 887         final StringBuilder result = new StringBuilder();
 888         result.append(row.getRawText(false));
 889         final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
 890         clipboardManager.setText(result.toString());
 891         Log.d(LOG, "Copied: " + result);
 892     }
 893
 894     @Override
 895     public boolean onKeyDown(final int keyCode, final KeyEvent event) {
 896         if (event.getUnicodeChar() != 0) {
 897             if (!searchText.hasFocus()) {
 898                 setSearchText("" + (char) event.getUnicodeChar(), true);
 899             }
 900             return true;
 901         }
 902         if (keyCode == KeyEvent.KEYCODE_BACK) {
 903             // Log.d(LOG, "Clearing dictionary prefs.");
 904             // Pretend that we just autolaunched so that we won't do it again.
 905             // DictionaryManagerActivity.lastAutoLaunchMillis =
 906             // System.currentTimeMillis();
 907         }
 908         if (keyCode == KeyEvent.KEYCODE_ENTER) {
 909             Log.d(LOG, "Trying to hide soft keyboard.");
 910             final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 911             inputManager.hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(),
 912                     InputMethodManager.HIDE_NOT_ALWAYS);
 913             return true;
 914         }
 915         return super.onKeyDown(keyCode, event);
 916     }
 917
 918     private void setSearchText(final String text, final boolean triggerSearch) {
 919         if (!triggerSearch) {
 920             getListView().requestFocus();
 921         }
 922         searchText.setText(text);
 923         searchText.requestFocus();
 924         moveCursorToRight();
 925         if (triggerSearch) {
 926             onSearchTextChange(text);
 927         }
 928     }
 929
 930     private long cursorDelayMillis = 100;
 931
 932     private void moveCursorToRight() {
 933         if (searchText.getLayout() != null) {
 934             cursorDelayMillis = 100;
 935             // Surprising, but this can crash when you rotate...
 936             Selection.moveToRightEdge(searchText.getText(), searchText.getLayout());
 937         } else {
 938             uiHandler.postDelayed(new Runnable() {
 939                 @Override
 940                 public void run() {
 941                     moveCursorToRight();
 942                 }
 943             }, cursorDelayMillis);
 944             cursorDelayMillis = Math.min(10 * 1000, 2 * cursorDelayMillis);
 945         }
 946     }
 947
 948     // --------------------------------------------------------------------------
 949     // SearchOperation
 950     // --------------------------------------------------------------------------
 951
 952     private void searchFinished(final SearchOperation searchOperation) {
 953         if (searchOperation.interrupted.get()) {
 954             Log.d(LOG, "Search operation was interrupted: " + searchOperation);
 955             return;
 956         }
 957         if (searchOperation != this.currentSearchOperation) {
 958             Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
 959             return;
 960         }
 961
 962         final Index.IndexEntry searchResult = searchOperation.searchResult;
 963         Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
 964
 965         currentSearchOperation = null;
 966         uiHandler.postDelayed(new Runnable() {
 967             @Override
 968             public void run() {
 969                 if (currentSearchOperation == null) {
 970                     if (searchResult != null) {
 971                         if (isFiltered()) {
 972                             clearFiltered();
 973                         }
 974                         jumpToRow(searchResult.startRow);
 975                     } else if (searchOperation.multiWordSearchResult != null) {
 976                         // Multi-row search....
 977                         setFiltered(searchOperation);
 978                     } else {
 979                         throw new IllegalStateException("This should never happen.");
 980                     }
 981                 } else {
 982                     Log.d(LOG, "More coming, waiting for currentSearchOperation.");
 983                 }
 984             }
 985         }, 20);
 986     }
 987
 988     private final void jumpToRow(final int row) {
 989         final boolean refocusSearchText = searchText.hasFocus();
 990         Log.d(LOG, "jumpToRow: " + row + ", refocusSearchText=" + refocusSearchText);
 991         getListView().requestFocusFromTouch();
 992         getListView().setSelectionFromTop(row, 0);
 993         getListView().setSelected(true);
 994         if (refocusSearchText) {
 995             searchText.requestFocus();
 996         }
 997         //Log.d(LOG, "getSelectedItemPosition():" + getSelectedItemPosition());
 998     }
 999
1000     static final Pattern WHITESPACE = Pattern.compile("\\s+");
1001
1002     final class SearchOperation implements Runnable {
1003
1004         final AtomicBoolean interrupted = new AtomicBoolean(false);
1005
1006         final String searchText;
1007
1008         List<String> searchTokens; // filled in for multiWord.
1009
1010         final Index index;
1011
1012         long searchStartMillis;
1013
1014         Index.IndexEntry searchResult;
1015
1016         List<RowBase> multiWordSearchResult;
1017
1018         boolean done = false;
1019
1020         SearchOperation(final String searchText, final Index index) {
1021             this.searchText = searchText.trim();
1022             this.index = index;
1023         }
1024
1025         public String toString() {
1026             return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
1027         }
1028
1029         @Override
1030         public void run() {
1031             try {
1032                 searchStartMillis = System.currentTimeMillis();
1033                 final String[] searchTokenArray = WHITESPACE.split(searchText);
1034                 if (searchTokenArray.length == 1) {
1035                     searchResult = index.findInsertionPoint(searchText, interrupted);
1036                 } else {
1037                     searchTokens = Arrays.asList(searchTokenArray);
1038                     multiWordSearchResult = index.multiWordSearch(searchTokens, interrupted);
1039                 }
1040                 Log.d(LOG,
1041                         "searchText=" + searchText + ", searchDuration="
1042                                 + (System.currentTimeMillis() - searchStartMillis)
1043                                 + ", interrupted=" + interrupted.get());
1044                 if (!interrupted.get()) {
1045                     uiHandler.post(new Runnable() {
1046                         @Override
1047                         public void run() {
1048                             searchFinished(SearchOperation.this);
1049                         }
1050                     });
1051                 } else {
1052                     Log.d(LOG, "interrupted, skipping searchFinished.");
1053                 }
1054             } catch (Exception e) {
1055                 Log.e(LOG, "Failure during search (can happen during Activity close.");
1056             } finally {
1057                 synchronized (this) {
1058                     done = true;
1059                     this.notifyAll();
1060                 }
1061             }
1062         }
1063     }
1064
1065     // --------------------------------------------------------------------------
1066     // IndexAdapter
1067     // --------------------------------------------------------------------------
1068
1069     static ViewGroup.LayoutParams WEIGHT_1 = new LinearLayout.LayoutParams(
1070             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 1.0f);
1071
1072     static ViewGroup.LayoutParams WEIGHT_0 = new LinearLayout.LayoutParams(
1073             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 0.0f);
1074
1075     final class IndexAdapter extends BaseAdapter {
1076
1077         private static final float PADDING_DEFAULT_DP = 8;
1078
1079         private static final float PADDING_LARGE_DP = 16;
1080
1081         final Index index;
1082
1083         final List<RowBase> rows;
1084
1085         final Set<String> toHighlight;
1086
1087         private int mPaddingDefault;
1088
1089         private int mPaddingLarge;
1090
1091         IndexAdapter(final Index index) {
1092             this.index = index;
1093             rows = index.rows;
1094             this.toHighlight = null;
1095             getMetrics();
1096         }
1097
1098         IndexAdapter(final Index index, final List<RowBase> rows, final List<String> toHighlight) {
1099             this.index = index;
1100             this.rows = rows;
1101             this.toHighlight = new LinkedHashSet<String>(toHighlight);
1102             getMetrics();
1103         }
1104
1105         private void getMetrics() {
1106             // Get the screen's density scale
1107             final float scale = getResources().getDisplayMetrics().density;
1108             // Convert the dps to pixels, based on density scale
1109             mPaddingDefault = (int) (PADDING_DEFAULT_DP * scale + 0.5f);
1110             mPaddingLarge = (int) (PADDING_LARGE_DP * scale + 0.5f);
1111         }
1112
1113         @Override
1114         public int getCount() {
1115             return rows.size();
1116         }
1117
1118         @Override
1119         public RowBase getItem(int position) {
1120             return rows.get(position);
1121         }
1122
1123         @Override
1124         public long getItemId(int position) {
1125             return getItem(position).index();
1126         }
1127
1128         @Override
1129         public TableLayout getView(int position, View convertView, ViewGroup parent) {
1130             final TableLayout result;
1131             if (convertView instanceof TableLayout) {
1132                 result = (TableLayout) convertView;
1133                 result.removeAllViews();
1134             } else {
1135                 result = new TableLayout(parent.getContext());
1136             }
1137             final RowBase row = getItem(position);
1138             if (row instanceof PairEntry.Row) {
1139                 return getView(position, (PairEntry.Row) row, parent, result);
1140             } else if (row instanceof TokenRow) {
1141                 return getView((TokenRow) row, parent, result);
1142             } else if (row instanceof HtmlEntry.Row) {
1143                 return getView((HtmlEntry.Row) row, parent, result);
1144             } else {
1145                 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
1146             }
1147         }
1148
1149         private TableLayout getView(final int position, PairEntry.Row row, ViewGroup parent,
1150                 final TableLayout result) {
1151             final PairEntry entry = row.getEntry();
1152             final int rowCount = entry.pairs.size();
1153
1154             final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
1155             layoutParams.weight = 0.5f;
1156             layoutParams.leftMargin = mPaddingLarge;
1157
1158             for (int r = 0; r < rowCount; ++r) {
1159                 final TableRow tableRow = new TableRow(result.getContext());
1160
1161                 final TextView col1 = new TextView(tableRow.getContext());
1162                 final TextView col2 = new TextView(tableRow.getContext());
1163
1164                 // Set the columns in the table.
1165                 if (r > 0) {
1166                     final TextView bullet = new TextView(tableRow.getContext());
1167                     bullet.setText(" • ");
1168                     tableRow.addView(bullet);
1169                 }
1170                 tableRow.addView(col1, layoutParams);
1171                 final TextView margin = new TextView(tableRow.getContext());
1172                 margin.setText(" ");
1173                 tableRow.addView(margin);
1174                 if (r > 0) {
1175                     final TextView bullet = new TextView(tableRow.getContext());
1176                     bullet.setText(" • ");
1177                     tableRow.addView(bullet);
1178                 }
1179                 tableRow.addView(col2, layoutParams);
1180                 col1.setWidth(1);
1181                 col2.setWidth(1);
1182
1183                 // Set what's in the columns.
1184
1185                 final Pair pair = entry.pairs.get(r);
1186                 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
1187                 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
1188
1189                 col1.setText(col1Text, TextView.BufferType.SPANNABLE);
1190                 col2.setText(col2Text, TextView.BufferType.SPANNABLE);
1191
1192                 // Bold the token instances in col1.
1193                 final Set<String> toBold = toHighlight != null ? this.toHighlight : Collections
1194                         .singleton(row.getTokenRow(true).getToken());
1195                 final Spannable col1Spannable = (Spannable) col1.getText();
1196                 for (final String token : toBold) {
1197                     int startPos = 0;
1198                     while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
1199                         col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos, startPos
1200                                 + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1201                         startPos += token.length();
1202                     }
1203                 }
1204
1205                 createTokenLinkSpans(col1, col1Spannable, col1Text);
1206                 createTokenLinkSpans(col2, (Spannable) col2.getText(), col2Text);
1207
1208                 col1.setTypeface(typeface);
1209                 col2.setTypeface(typeface);
1210                 col1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1211                 col2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1212                 // col2.setBackgroundResource(theme.otherLangBg);
1213
1214                 if (index.swapPairEntries) {
1215                     col2.setOnLongClickListener(textViewLongClickListenerIndex0);
1216                     col1.setOnLongClickListener(textViewLongClickListenerIndex1);
1217                 } else {
1218                     col1.setOnLongClickListener(textViewLongClickListenerIndex0);
1219                     col2.setOnLongClickListener(textViewLongClickListenerIndex1);
1220                 }
1221
1222                 result.addView(tableRow);
1223             }
1224
1225             // Because we have a Button inside a ListView row:
1226             // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
1227             result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
1228             result.setClickable(true);
1229             result.setFocusable(true);
1230             result.setLongClickable(true);
1231             result.setBackgroundResource(android.R.drawable.menuitem_background);
1232             result.setOnClickListener(new TextView.OnClickListener() {
1233                 @Override
1234                 public void onClick(View v) {
1235                     DictionaryActivity.this.onListItemClick(getListView(), v, position, position);
1236                 }
1237             });
1238
1239             return result;
1240         }
1241
1242         private TableLayout getPossibleLinkToHtmlEntryView(final boolean isTokenRow,
1243                 final String text, final boolean hasMainEntry, final List<HtmlEntry> htmlEntries,
1244                 final String htmlTextToHighlight, ViewGroup parent, final TableLayout result) {
1245             final Context context = parent.getContext();
1246
1247             final TableRow tableRow = new TableRow(result.getContext());
1248             tableRow.setBackgroundResource(hasMainEntry ? theme.tokenRowMainBg
1249                     : theme.tokenRowOtherBg);
1250             if (isTokenRow) {
1251                 tableRow.setPadding(mPaddingDefault, mPaddingDefault, mPaddingDefault, 0);
1252             } else {
1253                 tableRow.setPadding(mPaddingLarge, mPaddingDefault, mPaddingDefault, 0);
1254             }
1255             result.addView(tableRow);
1256
1257             // Make it so we can long-click on these token rows, too:
1258             final TextView textView = new TextView(context);
1259             textView.setText(text, BufferType.SPANNABLE);
1260             createTokenLinkSpans(textView, (Spannable) textView.getText(), text);
1261             final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1262                     0);
1263             textView.setOnLongClickListener(textViewLongClickListenerIndex0);
1264
1265             // Doesn't work:
1266             // textView.setTextColor(android.R.color.secondary_text_light);
1267             textView.setTypeface(typeface);
1268             TableRow.LayoutParams lp = new TableRow.LayoutParams(0);
1269             if (isTokenRow) {
1270                 textView.setTextAppearance(context, theme.tokenRowFg);
1271                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 4 * fontSizeSp / 3);
1272             } else {
1273                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1274             }
1275             lp.weight = 1.0f;
1276
1277             textView.setLayoutParams(lp);
1278             tableRow.addView(textView);
1279
1280             if (!htmlEntries.isEmpty()) {
1281                 final ImageButton button = new ImageButton(context);
1282                 button.setImageResource(R.drawable.ic_menu_forward);
1283                 button.setOnClickListener(new OnClickListener() {
1284                     @Override
1285                     public void onClick(View v) {
1286                         final String html = HtmlEntry.htmlBody(htmlEntries, index.shortName);
1287                         startActivityForResult(
1288                                 HtmlDisplayActivity.getHtmlIntent(String.format(
1289                                         "<html><head></head><body>%s</body></html>", html),
1290                                         htmlTextToHighlight, false),
1291                                 0);
1292                     }
1293                 });
1294                 tableRow.addView(button);
1295                 lp = new TableRow.LayoutParams(1);
1296                 lp.weight = 0.0f;
1297                 button.setLayoutParams(lp);
1298                 // result.setColumnStretchable(0, true);
1299                 // result.setColumnStretchable(1, false);
1300             }
1301             result.setLongClickable(true);
1302             return result;
1303         }
1304
1305         private TableLayout getView(TokenRow row, ViewGroup parent, final TableLayout result) {
1306             final IndexEntry indexEntry = row.getIndexEntry();
1307             return getPossibleLinkToHtmlEntryView(true, indexEntry.token, row.hasMainEntry,
1308                     indexEntry.htmlEntries, null, parent, result);
1309         }
1310
1311         private TableLayout getView(HtmlEntry.Row row, ViewGroup parent, final TableLayout result) {
1312             final HtmlEntry htmlEntry = row.getEntry();
1313             final TokenRow tokenRow = row.getTokenRow(true);
1314             return getPossibleLinkToHtmlEntryView(false,
1315                     getString(R.string.seeAlso, htmlEntry.title, htmlEntry.entrySource.getName()),
1316                     false, Collections.singletonList(htmlEntry), tokenRow.getToken(), parent,
1317                     result);
1318         }
1319
1320     }
1321
1322     static final Pattern CHAR_DASH = Pattern.compile("['\\p{L}\\p{M}\\p{N}]+");
1323
1324     private void createTokenLinkSpans(final TextView textView, final Spannable spannable,
1325             final String text) {
1326         // Saw from the source code that LinkMovementMethod sets the selection!
1327         // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.1_r1/android/text/method/LinkMovementMethod.java#LinkMovementMethod
1328         textView.setMovementMethod(LinkMovementMethod.getInstance());
1329         final Matcher matcher = CHAR_DASH.matcher(text);
1330         while (matcher.find()) {
1331             spannable.setSpan(new NonLinkClickableSpan(), matcher.start(), matcher.end(),
1332                     Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1333         }
1334     }
1335
1336     String selectedSpannableText = null;
1337
1338     int selectedSpannableIndex = -1;
1339
1340     @Override
1341     public boolean onTouchEvent(MotionEvent event) {
1342         selectedSpannableText = null;
1343         selectedSpannableIndex = -1;
1344         return super.onTouchEvent(event);
1345     }
1346
1347     private class TextViewLongClickListener implements OnLongClickListener {
1348         final int index;
1349
1350         private TextViewLongClickListener(final int index) {
1351             this.index = index;
1352         }
1353
1354         @Override
1355         public boolean onLongClick(final View v) {
1356             final TextView textView = (TextView) v;
1357             final int start = textView.getSelectionStart();
1358             final int end = textView.getSelectionEnd();
1359             if (start >= 0 && end >= 0) {
1360                 selectedSpannableText = textView.getText().subSequence(start, end).toString();
1361                 selectedSpannableIndex = index;
1362             }
1363             return false;
1364         }
1365     }
1366
1367     final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1368             0);
1369
1370     final TextViewLongClickListener textViewLongClickListenerIndex1 = new TextViewLongClickListener(
1371             1);
1372
1373     // --------------------------------------------------------------------------
1374     // SearchText
1375     // --------------------------------------------------------------------------
1376
1377     void onSearchTextChange(final String text) {
1378         if ("thadolina".equals(text)) {
1379             final Dialog dialog = new Dialog(getListView().getContext());
1380             dialog.setContentView(R.layout.thadolina_dialog);
1381             dialog.setTitle("Ti amo, amore mio!");
1382             final ImageView imageView = (ImageView) dialog.findViewById(R.id.thadolina_image);
1383             imageView.setOnClickListener(new OnClickListener() {
1384                 @Override
1385                 public void onClick(View v) {
1386                     final Intent intent = new Intent(Intent.ACTION_VIEW);
1387                     intent.setData(Uri.parse("https://sites.google.com/site/cfoxroxvday/vday2012"));
1388                     startActivity(intent);
1389                 }
1390             });
1391             dialog.show();
1392         }
1393         if (dictRaf == null) {
1394             Log.d(LOG, "searchText changed during shutdown, doing nothing.");
1395             return;
1396         }
1397         if (!searchText.isFocused()) {
1398             Log.d(LOG, "searchText changed without focus, doing nothing.");
1399             return;
1400         }
1401         Log.d(LOG, "onSearchTextChange: " + text);
1402         if (currentSearchOperation != null) {
1403             Log.d(LOG, "Interrupting currentSearchOperation.");
1404             currentSearchOperation.interrupted.set(true);
1405         }
1406         currentSearchOperation = new SearchOperation(text, index);
1407         searchExecutor.execute(currentSearchOperation);
1408     }
1409
1410     private class SearchTextWatcher implements TextWatcher {
1411         public void afterTextChanged(final Editable searchTextEditable) {
1412             if (searchText.hasFocus()) {
1413                 Log.d(LOG, "SearchTextWatcher: Search text changed with focus: " + searchText.getText());
1414                 // If they were typing to cause the change, update the UI.
1415                 onSearchTextChange(searchText.getText().toString());
1416             }
1417         }
1418
1419         public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
1420         }
1421
1422         public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
1423         }
1424     }
1425
1426     // --------------------------------------------------------------------------
1427     // Filtered results.
1428     // --------------------------------------------------------------------------
1429
1430     boolean isFiltered() {
1431         return rowsToShow != null;
1432     }
1433
1434     void setFiltered(final SearchOperation searchOperation) {
1435         ((ImageButton) findViewById(R.id.UpButton)).setEnabled(false);
1436         ((ImageButton) findViewById(R.id.DownButton)).setEnabled(false);
1437         rowsToShow = searchOperation.multiWordSearchResult;
1438         setListAdapter(new IndexAdapter(index, rowsToShow, searchOperation.searchTokens));
1439     }
1440
1441     void clearFiltered() {
1442         ((ImageButton) findViewById(R.id.UpButton)).setEnabled(true);
1443         ((ImageButton) findViewById(R.id.DownButton)).setEnabled(true);
1444         setListAdapter(new IndexAdapter(index));
1445         rowsToShow = null;
1446     }
1447
1448 }