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.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.Menu;
  44 import android.view.MenuItem;
  45 import android.view.MenuItem.OnMenuItemClickListener;
  46 import android.view.MotionEvent;
  47 import android.view.View;
  48 import android.view.View.OnClickListener;
  49 import android.view.View.OnFocusChangeListener;
  50 import android.view.View.OnLongClickListener;
  51 import android.view.ViewGroup;
  52 import android.view.WindowManager;
  53 import android.view.inputmethod.InputMethodManager;
  54 import android.widget.AdapterView.AdapterContextMenuInfo;
  55 import android.widget.BaseAdapter;
  56 import android.widget.Button;
  57 import android.widget.EditText;
  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.hughes.android.dictionary.DictionaryInfo.IndexInfo;
  70 import com.hughes.android.dictionary.engine.Dictionary;
  71 import com.hughes.android.dictionary.engine.EntrySource;
  72 import com.hughes.android.dictionary.engine.HtmlEntry;
  73 import com.hughes.android.dictionary.engine.Index;
  74 import com.hughes.android.dictionary.engine.Index.IndexEntry;
  75 import com.hughes.android.dictionary.engine.PairEntry;
  76 import com.hughes.android.dictionary.engine.PairEntry.Pair;
  77 import com.hughes.android.dictionary.engine.RowBase;
  78 import com.hughes.android.dictionary.engine.TokenRow;
  79 import com.hughes.android.dictionary.engine.TransliteratorManager;
  80 import com.hughes.android.util.IntentLauncher;
  81 import com.hughes.android.util.NonLinkClickableSpan;
  82 import com.hughes.util.StringUtil;
  83
  84 import java.io.File;
  85 import java.io.FileWriter;
  86 import java.io.IOException;
  87 import java.io.PrintWriter;
  88 import java.io.RandomAccessFile;
  89 import java.text.SimpleDateFormat;
  90 import java.util.Arrays;
  91 import java.util.Collections;
  92 import java.util.Date;
  93 import java.util.HashMap;
  94 import java.util.LinkedHashSet;
  95 import java.util.List;
  96 import java.util.Locale;
  97 import java.util.Random;
  98 import java.util.Set;
  99 import java.util.concurrent.Executor;
 100 import java.util.concurrent.Executors;
 101 import java.util.concurrent.ThreadFactory;
 102 import java.util.concurrent.atomic.AtomicBoolean;
 103 import java.util.regex.Matcher;
 104 import java.util.regex.Pattern;
 105
 106 public class DictionaryActivity extends ListActivity {
 107
 108     static final String LOG = "QuickDic";
 109
 110     DictionaryApplication application;
 111
 112     File dictFile = null;
 113
 114     RandomAccessFile dictRaf = null;
 115
 116     Dictionary dictionary = null;
 117
 118     int indexIndex = 0;
 119
 120     Index index = null;
 121
 122     List<RowBase> rowsToShow = null; // if not null, just show these rows.
 123
 124     // package for test.
 125     final Handler uiHandler = new Handler();
 126
 127     TextToSpeech textToSpeech;
 128     volatile boolean ttsReady;
 129
 130     int textColorFg = Color.BLACK;
 131
 132
 133     private final Executor searchExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
 134         @Override
 135         public Thread newThread(Runnable r) {
 136             return new Thread(r, "searchExecutor");
 137         }
 138     });
 139
 140     private SearchOperation currentSearchOperation = null;
 141
 142     C.Theme theme = C.Theme.LIGHT;
 143
 144     Typeface typeface;
 145
 146     int fontSizeSp;
 147
 148     EditText searchText;
 149
 150     Button langButton;
 151
 152     // Never null.
 153     private File wordList = null;
 154
 155     private boolean saveOnlyFirstSubentry = false;
 156
 157     private boolean clickOpensContextMenu = false;
 158
 159     // Visible for testing.
 160     ListAdapter indexAdapter = null;
 161
 162     final SearchTextWatcher searchTextWatcher = new SearchTextWatcher();
 163
 164     /**
 165      * For some languages, loading the transliterators used in this search takes
 166      * a long time, so we fire it up on a different thread, and don't invoke it
 167      * from the main thread until it's already finished once.
 168      */
 169     private volatile boolean indexPrepFinished = false;
 170
 171     public DictionaryActivity() {
 172     }
 173
 174     public static Intent getLaunchIntent(final File dictFile, final int indexIndex,
 175             final String searchToken) {
 176         final Intent intent = new Intent();
 177         intent.setClassName(DictionaryActivity.class.getPackage().getName(),
 178                 DictionaryActivity.class.getName());
 179         intent.putExtra(C.DICT_FILE, dictFile.getPath());
 180         intent.putExtra(C.INDEX_INDEX, indexIndex);
 181         intent.putExtra(C.SEARCH_TOKEN, searchToken);
 182         return intent;
 183     }
 184
 185     @Override
 186     protected void onSaveInstanceState(final Bundle outState) {
 187         super.onSaveInstanceState(outState);
 188         Log.d(LOG, "onSaveInstanceState: " + searchText.getText().toString());
 189         outState.putInt(C.INDEX_INDEX, indexIndex);
 190         outState.putString(C.SEARCH_TOKEN, searchText.getText().toString());
 191     }
 192
 193     @Override
 194     protected void onRestoreInstanceState(final Bundle outState) {
 195         super.onRestoreInstanceState(outState);
 196         Log.d(LOG, "onRestoreInstanceState: " + outState.getString(C.SEARCH_TOKEN));
 197         onCreate(outState);
 198     }
 199
 200     @Override
 201     public void onCreate(Bundle savedInstanceState) {
 202         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 203         prefs.edit().remove(C.INDEX_INDEX).commit(); // Don't auto-launch if
 204                                                      // this fails.
 205
 206         setTheme(((DictionaryApplication) getApplication()).getSelectedTheme().themeId);
 207
 208         Log.d(LOG, "onCreate:" + this);
 209         super.onCreate(savedInstanceState);
 210
 211         application = (DictionaryApplication) getApplication();
 212         theme = application.getSelectedTheme();
 213         textColorFg = getResources().getColor(theme.tokenRowFgColor);
 214
 215         final Intent intent = getIntent();
 216         dictFile = new File(intent.getStringExtra(C.DICT_FILE));
 217
 218         ttsReady = false;
 219         textToSpeech = new TextToSpeech(getApplicationContext(), new OnInitListener() {
 220             @Override
 221             public void onInit(int status) {
 222                 ttsReady = true;
 223                 updateTTSLanuage();
 224             }
 225         });
 226
 227         try {
 228             final String name = application.getDictionaryName(dictFile.getName());
 229             this.setTitle("QuickDic: " + name);
 230             dictRaf = new RandomAccessFile(dictFile, "r");
 231             dictionary = new Dictionary(dictRaf);
 232         } catch (Exception e) {
 233             Log.e(LOG, "Unable to load dictionary.", e);
 234             if (dictRaf != null) {
 235                 try {
 236                     dictRaf.close();
 237                 } catch (IOException e1) {
 238                     Log.e(LOG, "Unable to close dictRaf.", e1);
 239                 }
 240                 dictRaf = null;
 241             }
 242             Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()),
 243                     Toast.LENGTH_LONG).show();
 244             startActivity(DictionaryManagerActivity.getLaunchIntent());
 245             finish();
 246             return;
 247         }
 248         indexIndex = intent.getIntExtra(C.INDEX_INDEX, 0);
 249         if (savedInstanceState != null) {
 250             indexIndex = savedInstanceState.getInt(C.INDEX_INDEX, indexIndex);
 251         }
 252         indexIndex %= dictionary.indices.size();
 253         Log.d(LOG, "Loading index " + indexIndex);
 254         index = dictionary.indices.get(indexIndex);
 255         setListAdapter(new IndexAdapter(index));
 256
 257         // Pre-load the collators.
 258         new Thread(new Runnable() {
 259             public void run() {
 260                 final long startMillis = System.currentTimeMillis();
 261                 try {
 262                     TransliteratorManager.init(new TransliteratorManager.Callback() {
 263                         @Override
 264                         public void onTransliteratorReady() {
 265                             uiHandler.post(new Runnable() {
 266                                 @Override
 267                                 public void run() {
 268                                     onSearchTextChange(searchText.getText().toString());
 269                                 }
 270                             });
 271                         }
 272                     });
 273
 274                     for (final Index index : dictionary.indices) {
 275                         final String searchToken = index.sortedIndexEntries.get(0).token;
 276                         final IndexEntry entry = index.findExact(searchToken);
 277                         if (!searchToken.equals(entry.token)) {
 278                             Log.e(LOG, "Couldn't find token: " + searchToken + ", " + entry.token);
 279                         }
 280                     }
 281                     indexPrepFinished = true;
 282                 } catch (Exception e) {
 283                     Log.w(LOG,
 284                             "Exception while prepping.  This can happen if dictionary is closed while search is happening.");
 285                 }
 286                 Log.d(LOG, "Prepping indices took:" + (System.currentTimeMillis() - startMillis));
 287             }
 288         }).start();
 289
 290         String fontName = prefs.getString(getString(R.string.fontKey), "FreeSerif.ttf.jpg");
 291         if ("SYSTEM".equals(fontName)) {
 292             typeface = Typeface.DEFAULT;
 293         } else {
 294             try {
 295                 typeface = Typeface.createFromAsset(getAssets(), fontName);
 296             } catch (Exception e) {
 297                 Log.w(LOG, "Exception trying to use typeface, using default.", e);
 298                 Toast.makeText(this, getString(R.string.fontFailure, e.getLocalizedMessage()),
 299                         Toast.LENGTH_LONG).show();
 300             }
 301         }
 302         // if (!"SYSTEM".equals(fontName)) {
 303         // throw new RuntimeException("Test force using system font: " +
 304         // fontName);
 305         // }
 306         if (typeface == null) {
 307             Log.w(LOG, "Unable to create typeface, using default.");
 308             typeface = Typeface.DEFAULT;
 309         }
 310         final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "14");
 311         try {
 312             fontSizeSp = Integer.parseInt(fontSize.trim());
 313         } catch (NumberFormatException e) {
 314             fontSizeSp = 14;
 315         }
 316
 317         setContentView(R.layout.dictionary_activity);
 318         searchText = (EditText) findViewById(R.id.SearchText);
 319         searchText.requestFocus();
 320         searchText.addTextChangedListener(searchTextWatcher);
 321         searchText.setOnFocusChangeListener(new OnFocusChangeListener() {
 322             @Override
 323             public void onFocusChange(View v, boolean hasFocus) {
 324                 Log.d(LOG, "searchText onFocusChange hasFocus=" + hasFocus);
 325             }
 326         });
 327
 328         // Set the search text from the intent, then the saved state.
 329         String text = getIntent().getStringExtra(C.SEARCH_TOKEN);
 330         if (savedInstanceState != null) {
 331             text = savedInstanceState.getString(C.SEARCH_TOKEN);
 332         }
 333         if (text == null) {
 334             text = "";
 335         }
 336         setSearchText(text, true);
 337         Log.d(LOG, "Trying to restore searchText=" + text);
 338
 339         final View clearSearchTextButton = findViewById(R.id.ClearSearchTextButton);
 340         clearSearchTextButton.setOnClickListener(new OnClickListener() {
 341             public void onClick(View v) {
 342                 onClearSearchTextButton();
 343             }
 344         });
 345         clearSearchTextButton.setVisibility(PreferenceManager.getDefaultSharedPreferences(this)
 346                 .getBoolean(getString(R.string.showClearSearchTextButtonKey), true) ? View.VISIBLE
 347                 : View.GONE);
 348
 349         langButton = (Button) findViewById(R.id.LangButton);
 350         langButton.setOnClickListener(new OnClickListener() {
 351             public void onClick(View v) {
 352                 onLanguageButton();
 353             }
 354         });
 355         langButton.setOnLongClickListener(new OnLongClickListener() {
 356             @Override
 357             public boolean onLongClick(View v) {
 358                 onLanguageButtonLongClick(v.getContext());
 359                 return true;
 360             }
 361         });
 362         updateLangButton();
 363
 364         final View upButton = findViewById(R.id.UpButton);
 365         upButton.setOnClickListener(new OnClickListener() {
 366             public void onClick(View v) {
 367                 onUpDownButton(true);
 368             }
 369         });
 370         final View downButton = findViewById(R.id.DownButton);
 371         downButton.setOnClickListener(new OnClickListener() {
 372             public void onClick(View v) {
 373                 onUpDownButton(false);
 374             }
 375         });
 376         upButton.setVisibility(PreferenceManager.getDefaultSharedPreferences(this)
 377                 .getBoolean(getString(R.string.showPrevNextButtonsKey), true) ? View.VISIBLE
 378                 : View.GONE);
 379         downButton.setVisibility(PreferenceManager.getDefaultSharedPreferences(this)
 380                 .getBoolean(getString(R.string.showPrevNextButtonsKey), true) ? View.VISIBLE
 381                 : View.GONE);
 382
 383 //        getListView().setOnItemSelectedListener(new ListView.OnItemSelectedListener() {
 384 //            @Override
 385 //            public void onItemSelected(AdapterView<?> adapterView, View arg1, final int position,
 386 //                    long id) {
 387 //                if (!searchText.isFocused()) {
 388 //                    if (!isFiltered()) {
 389 //                        final RowBase row = (RowBase) getListAdapter().getItem(position);
 390 //                        Log.d(LOG, "onItemSelected: " + row.index());
 391 //                        final TokenRow tokenRow = row.getTokenRow(true);
 392 //                        searchText.setText(tokenRow.getToken());
 393 //                    }
 394 //                }
 395 //            }
 396 //
 397 //            @Override
 398 //            public void onNothingSelected(AdapterView<?> arg0) {
 399 //            }
 400 //        });
 401 //
 402         // ContextMenu.
 403         registerForContextMenu(getListView());
 404
 405         // Prefs.
 406         wordList = new File(prefs.getString(getString(R.string.wordListFileKey),
 407                 getString(R.string.wordListFileDefault)));
 408         saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey),
 409                 false);
 410         clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey),
 411                 false);
 412         // if (prefs.getBoolean(getString(R.string.vibrateOnFailedSearchKey),
 413         // true)) {
 414         // vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
 415         // }
 416         Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
 417
 418         setDictionaryPrefs(this, dictFile, indexIndex, searchText.getText().toString());
 419     }
 420
 421     @Override
 422     protected void onResume() {
 423         Log.d(LOG, "onResume");
 424         super.onResume();
 425         if (PreferenceActivity.prefsMightHaveChanged) {
 426             PreferenceActivity.prefsMightHaveChanged = false;
 427             finish();
 428             startActivity(getIntent());
 429         }
 430         showKeyboard();
 431     }
 432
 433     @Override
 434     protected void onPause() {
 435         super.onPause();
 436     }
 437
 438     @Override
 439     protected void onActivityResult(int requestCode, int resultCode, Intent result) {
 440         super.onActivityResult(requestCode, resultCode, result);
 441         if (result != null && result.hasExtra(C.SEARCH_TOKEN)) {
 442             Log.d(LOG, "onActivityResult: " + result.getStringExtra(C.SEARCH_TOKEN));
 443             jumpToTextFromHyperLink(result.getStringExtra(C.SEARCH_TOKEN), indexIndex);
 444         }
 445     }
 446
 447     private static void setDictionaryPrefs(final Context context, final File dictFile,
 448             final int indexIndex, final String searchToken) {
 449         final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(
 450                 context).edit();
 451         prefs.putString(C.DICT_FILE, dictFile.getPath());
 452         prefs.putInt(C.INDEX_INDEX, indexIndex);
 453         prefs.putString(C.SEARCH_TOKEN, ""); // Don't need to save search token.
 454         prefs.commit();
 455     }
 456
 457     @Override
 458     protected void onDestroy() {
 459         super.onDestroy();
 460         if (dictRaf == null) {
 461             return;
 462         }
 463
 464         final SearchOperation searchOperation = currentSearchOperation;
 465         currentSearchOperation = null;
 466
 467         // Before we close the RAF, we have to wind the current search down.
 468         if (searchOperation != null) {
 469             Log.d(LOG, "Interrupting search to shut down.");
 470             currentSearchOperation = null;
 471             searchOperation.interrupted.set(true);
 472         }
 473
 474         try {
 475             Log.d(LOG, "Closing RAF.");
 476             dictRaf.close();
 477         } catch (IOException e) {
 478             Log.e(LOG, "Failed to close dictionary", e);
 479         }
 480         dictRaf = null;
 481     }
 482
 483     // --------------------------------------------------------------------------
 484     // Buttons
 485     // --------------------------------------------------------------------------
 486
 487     private void onClearSearchTextButton() {
 488         setSearchText("", true);
 489         showKeyboard();
 490     }
 491
 492     private void showKeyboard() {
 493         searchText.postDelayed(new Runnable() {
 494             @Override
 495             public void run() {
 496                 Log.d(LOG, "Trying to show soft keyboard.");
 497                 final boolean searchTextHadFocus = searchText.hasFocus();
 498                 searchText.requestFocus();
 499                 final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 500                 manager.showSoftInput(searchText, InputMethodManager.SHOW_IMPLICIT);
 501                 if (!searchTextHadFocus) {
 502                     defocusSearchText();
 503                 }
 504             }}, 100);
 505     }
 506
 507     void updateLangButton() {
 508         // final LanguageResources languageResources =
 509         // Language.isoCodeToResources.get(index.shortName);
 510         // if (languageResources != null && languageResources.flagId != 0) {
 511         // langButton.setCompoundDrawablesWithIntrinsicBounds(0, 0,
 512         // languageResources.flagId, 0);
 513         // } else {
 514         // langButton.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 515         langButton.setText(index.shortName);
 516         // }
 517         updateTTSLanuage();
 518     }
 519
 520     private void updateTTSLanuage() {
 521         if (!ttsReady || index == null || textToSpeech == null) {
 522             Log.d(LOG, "Can't updateTTSLanguage.");
 523             return;
 524         }
 525         final Locale locale = new Locale(index.sortLanguage.getIsoCode());
 526         Log.d(LOG, "Setting TTS locale to: " + locale);
 527         final int ttsResult = textToSpeech.setLanguage(locale);
 528         if (ttsResult != TextToSpeech.LANG_AVAILABLE ||
 529             ttsResult != TextToSpeech.LANG_COUNTRY_AVAILABLE) {
 530             Log.e(LOG, "TTS not available in this language: ttsResult=" + ttsResult);
 531         }
 532     }
 533
 534     void onLanguageButton() {
 535         if (currentSearchOperation != null) {
 536             currentSearchOperation.interrupted.set(true);
 537             currentSearchOperation = null;
 538         }
 539         changeIndexAndResearch((indexIndex + 1) % dictionary.indices.size());
 540     }
 541
 542     void onLanguageButtonLongClick(final Context context) {
 543         final Dialog dialog = new Dialog(context);
 544         dialog.setContentView(R.layout.select_dictionary_dialog);
 545         dialog.setTitle(R.string.selectDictionary);
 546
 547         final List<DictionaryInfo> installedDicts = ((DictionaryApplication) getApplication())
 548                 .getUsableDicts();
 549
 550         ListView listView = (ListView) dialog.findViewById(android.R.id.list);
 551
 552         // final LinearLayout.LayoutParams layoutParams = new
 553         // LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
 554         // ViewGroup.LayoutParams.WRAP_CONTENT);
 555         // layoutParams.width = 0;
 556         // layoutParams.weight = 1.0f;
 557
 558         final Button button = new Button(listView.getContext());
 559         final String name = getString(R.string.dictionaryManager);
 560         button.setText(name);
 561         final IntentLauncher intentLauncher = new IntentLauncher(listView.getContext(),
 562                 DictionaryManagerActivity.getLaunchIntent()) {
 563             @Override
 564             protected void onGo() {
 565                 dialog.dismiss();
 566                 DictionaryActivity.this.finish();
 567             };
 568         };
 569         button.setOnClickListener(intentLauncher);
 570         // button.setLayoutParams(layoutParams);
 571         listView.addHeaderView(button);
 572         // listView.setHeaderDividersEnabled(true);
 573
 574         listView.setAdapter(new BaseAdapter() {
 575             @Override
 576             public View getView(int position, View convertView, ViewGroup parent) {
 577                 final DictionaryInfo dictionaryInfo = getItem(position);
 578
 579                 final LinearLayout result = new LinearLayout(parent.getContext());
 580
 581                 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
 582                     if (i > 0) {
 583                         final TextView dash = new TextView(parent.getContext());
 584                         dash.setText("-");
 585                         result.addView(dash);
 586                     }
 587
 588                     final IndexInfo indexInfo = dictionaryInfo.indexInfos.get(i);
 589                     final Button button = new Button(parent.getContext());
 590                     button.setText(indexInfo.shortName);
 591                     final IntentLauncher intentLauncher = new IntentLauncher(parent.getContext(),
 592                             getLaunchIntent(
 593                                     application.getPath(dictionaryInfo.uncompressedFilename),
 594                                     i, searchText.getText().toString())) {
 595                         @Override
 596                         protected void onGo() {
 597                             dialog.dismiss();
 598                             DictionaryActivity.this.finish();
 599                         };
 600                     };
 601                     button.setOnClickListener(intentLauncher);
 602                     result.addView(button);
 603
 604                 }
 605
 606                 final TextView nameView = new TextView(parent.getContext());
 607                 final String name = application
 608                         .getDictionaryName(dictionaryInfo.uncompressedFilename);
 609                 nameView.setText(name);
 610                 final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
 611                         ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
 612                 layoutParams.width = 0;
 613                 layoutParams.weight = 1.0f;
 614                 nameView.setLayoutParams(layoutParams);
 615                 result.addView(nameView);
 616
 617                 return result;
 618             }
 619
 620             @Override
 621             public long getItemId(int position) {
 622                 return position;
 623             }
 624
 625             @Override
 626             public DictionaryInfo getItem(int position) {
 627                 return installedDicts.get(position);
 628             }
 629
 630             @Override
 631             public int getCount() {
 632                 return installedDicts.size();
 633             }
 634         });
 635
 636         dialog.show();
 637     }
 638
 639     private void changeIndexAndResearch(int newIndex) {
 640         Log.d(LOG, "Changing index to: " + newIndex);
 641         if (newIndex == -1) {
 642             Log.e(LOG, "Invalid index.");
 643             newIndex = 0;
 644         }
 645         indexIndex = newIndex;
 646         index = dictionary.indices.get(indexIndex);
 647         indexAdapter = new IndexAdapter(index);
 648         Log.d(LOG, "changingIndex, newLang=" + index.longName);
 649         setDictionaryPrefs(this, dictFile, indexIndex, searchText.getText().toString());
 650         setListAdapter(indexAdapter);
 651         updateLangButton();
 652         setSearchText(searchText.getText().toString(), true);
 653     }
 654
 655     void onUpDownButton(final boolean up) {
 656         if (isFiltered()) {
 657             return;
 658         }
 659         final int firstVisibleRow = getListView().getFirstVisiblePosition();
 660         final RowBase row = index.rows.get(firstVisibleRow);
 661         final TokenRow tokenRow = row.getTokenRow(true);
 662         final int destIndexEntry;
 663         if (up) {
 664             if (row != tokenRow) {
 665                 destIndexEntry = tokenRow.referenceIndex;
 666             } else {
 667                 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
 668             }
 669         } else {
 670             // Down
 671             destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size());
 672         }
 673         final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
 674         Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
 675         setSearchText(dest.token, false);
 676         jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
 677         defocusSearchText();
 678     }
 679
 680     // --------------------------------------------------------------------------
 681     // Options Menu
 682     // --------------------------------------------------------------------------
 683
 684     final Random random = new Random();
 685
 686     @Override
 687     public boolean onCreateOptionsMenu(final Menu menu) {
 688         application.onCreateGlobalOptionsMenu(this, menu);
 689
 690 //        {
 691 //            final MenuItem randomWord = menu.add(getString(R.string.randomWord));
 692 //            randomWord.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 693 //                public boolean onMenuItemClick(final MenuItem menuItem) {
 694 //                    final String word = index.sortedIndexEntries.get(random
 695 //                            .nextInt(index.sortedIndexEntries.size())).token;
 696 //                    setSearchText(word, true);
 697 //                    return false;
 698 //                }
 699 //            });
 700 //        }
 701
 702         {
 703             final MenuItem dictionaryList = menu.add(getString(R.string.dictionaryManager));
 704             dictionaryList.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 705                 public boolean onMenuItemClick(final MenuItem menuItem) {
 706                     startActivity(DictionaryManagerActivity.getLaunchIntent());
 707                     finish();
 708                     return false;
 709                 }
 710             });
 711         }
 712
 713         {
 714             final MenuItem aboutDictionary = menu.add(getString(R.string.aboutDictionary));
 715             aboutDictionary.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 716                 public boolean onMenuItemClick(final MenuItem menuItem) {
 717                     final Context context = getListView().getContext();
 718                     final Dialog dialog = new Dialog(context);
 719                     dialog.setContentView(R.layout.about_dictionary_dialog);
 720                     final TextView textView = (TextView) dialog.findViewById(R.id.text);
 721
 722                     final String name = application.getDictionaryName(dictFile.getName());
 723                     dialog.setTitle(name);
 724
 725                     final StringBuilder builder = new StringBuilder();
 726                     final DictionaryInfo dictionaryInfo = dictionary.getDictionaryInfo();
 727                     dictionaryInfo.uncompressedBytes = dictFile.length();
 728                     if (dictionaryInfo != null) {
 729                         builder.append(dictionaryInfo.dictInfo).append("\n\n");
 730                         builder.append(getString(R.string.dictionaryPath, dictFile.getPath()))
 731                                 .append("\n");
 732                         builder.append(
 733                                 getString(R.string.dictionarySize, dictionaryInfo.uncompressedBytes))
 734                                 .append("\n");
 735                         builder.append(
 736                                 getString(R.string.dictionaryCreationTime,
 737                                         dictionaryInfo.creationMillis)).append("\n");
 738                         for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
 739                             builder.append("\n");
 740                             builder.append(getString(R.string.indexName, indexInfo.shortName))
 741                                     .append("\n");
 742                             builder.append(
 743                                     getString(R.string.mainTokenCount, indexInfo.mainTokenCount))
 744                                     .append("\n");
 745                         }
 746                         builder.append("\n");
 747                         builder.append(getString(R.string.sources)).append("\n");
 748                         for (final EntrySource source : dictionary.sources) {
 749                             builder.append(
 750                                     getString(R.string.sourceInfo, source.getName(),
 751                                             source.getNumEntries())).append("\n");
 752                         }
 753                     }
 754                     // } else {
 755                     // builder.append(getString(R.string.invalidDictionary));
 756                     // }
 757                     textView.setText(builder.toString());
 758
 759                     dialog.show();
 760                     final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
 761                     layoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;
 762                     layoutParams.height = WindowManager.LayoutParams.MATCH_PARENT;
 763                     dialog.getWindow().setAttributes(layoutParams);
 764                     return false;
 765                 }
 766             });
 767         }
 768
 769         return true;
 770     }
 771
 772     // --------------------------------------------------------------------------
 773     // Context Menu + clicks
 774     // --------------------------------------------------------------------------
 775
 776     @Override
 777     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
 778         AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
 779         final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
 780
 781         final MenuItem addToWordlist = menu.add(getString(R.string.addToWordList,
 782                 wordList.getName()));
 783         addToWordlist.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 784             public boolean onMenuItemClick(MenuItem item) {
 785                 onAppendToWordList(row);
 786                 return false;
 787             }
 788         });
 789
 790         final MenuItem copy = menu.add(android.R.string.copy);
 791         copy.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 792             public boolean onMenuItemClick(MenuItem item) {
 793                 onCopy(row);
 794                 return false;
 795             }
 796         });
 797
 798         if (selectedSpannableText != null) {
 799             final String selectedText = selectedSpannableText;
 800             final MenuItem searchForSelection = menu.add(getString(R.string.searchForSelection,
 801                     selectedSpannableText));
 802             searchForSelection.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 803                 public boolean onMenuItemClick(MenuItem item) {
 804                     jumpToTextFromHyperLink(selectedText, selectedSpannableIndex);
 805                     return false;
 806                 }
 807             });
 808         }
 809
 810         if (row instanceof TokenRow && ttsReady) {
 811             final MenuItem speak = menu.add(R.string.speak);
 812             speak.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 813                 @Override
 814                 public boolean onMenuItemClick(MenuItem item) {
 815                     textToSpeech.speak(((TokenRow) row).getToken(), TextToSpeech.QUEUE_FLUSH,
 816                             new HashMap<String, String>());
 817                     return false;
 818                 }
 819             });
 820         }
 821     }
 822
 823     private void jumpToTextFromHyperLink(final String selectedText, final int defaultIndexToUse) {
 824         int indexToUse = -1;
 825         for (int i = 0; i < dictionary.indices.size(); ++i) {
 826             final Index index = dictionary.indices.get(i);
 827             if (indexPrepFinished) {
 828                 System.out.println("Doing index lookup: on " + selectedText);
 829                 final IndexEntry indexEntry = index.findExact(selectedText);
 830                 if (indexEntry != null) {
 831                     final TokenRow tokenRow = index.rows.get(indexEntry.startRow)
 832                             .getTokenRow(false);
 833                     if (tokenRow != null && tokenRow.hasMainEntry) {
 834                         indexToUse = i;
 835                         break;
 836                     }
 837                 }
 838             } else {
 839                 Log.w(LOG, "Skipping findExact on index " + index.shortName);
 840             }
 841         }
 842         if (indexToUse == -1) {
 843             indexToUse = defaultIndexToUse;
 844         }
 845         final boolean changeIndex = indexIndex != indexToUse;
 846         if (changeIndex) {
 847             setSearchText(selectedText, false);
 848             changeIndexAndResearch(indexToUse);
 849         } else {
 850             setSearchText(selectedText, true);
 851         }
 852     }
 853
 854     @Override
 855     protected void onListItemClick(ListView l, View v, int row, long id) {
 856         defocusSearchText();
 857         if (clickOpensContextMenu && dictRaf != null) {
 858             openContextMenu(v);
 859         }
 860     }
 861
 862     void onAppendToWordList(final RowBase row) {
 863         defocusSearchText();
 864
 865         final StringBuilder rawText = new StringBuilder();
 866         rawText.append(new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date())).append("\t");
 867         rawText.append(index.longName).append("\t");
 868         rawText.append(row.getTokenRow(true).getToken()).append("\t");
 869         rawText.append(row.getRawText(saveOnlyFirstSubentry));
 870         Log.d(LOG, "Writing : " + rawText);
 871
 872         try {
 873             wordList.getParentFile().mkdirs();
 874             final PrintWriter out = new PrintWriter(new FileWriter(wordList, true));
 875             out.println(rawText.toString());
 876             out.close();
 877         } catch (IOException e) {
 878             Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
 879             Toast.makeText(this,
 880                     getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()),
 881                     Toast.LENGTH_LONG).show();
 882         }
 883         return;
 884     }
 885
 886     /**
 887      * Called when user clicks outside of search text, so that they can start
 888      * typing again immediately.
 889      */
 890     void defocusSearchText() {
 891         // Log.d(LOG, "defocusSearchText");
 892         // Request focus so that if we start typing again, it clears the text
 893         // input.
 894         getListView().requestFocus();
 895
 896         // Visual indication that a new keystroke will clear the search text.
 897         // Doesn't seem to work unless earchText has focus.
 898         // searchText.selectAll();
 899     }
 900
 901     @SuppressWarnings("deprecation")
 902     void onCopy(final RowBase row) {
 903         defocusSearchText();
 904
 905         Log.d(LOG, "Copy, row=" + row);
 906         final StringBuilder result = new StringBuilder();
 907         result.append(row.getRawText(false));
 908         final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
 909         clipboardManager.setText(result.toString());
 910         Log.d(LOG, "Copied: " + result);
 911     }
 912
 913     @Override
 914     public boolean onKeyDown(final int keyCode, final KeyEvent event) {
 915         if (event.getUnicodeChar() != 0) {
 916             if (!searchText.hasFocus()) {
 917                 setSearchText("" + (char) event.getUnicodeChar(), true);
 918             }
 919             return true;
 920         }
 921         if (keyCode == KeyEvent.KEYCODE_BACK) {
 922             // Log.d(LOG, "Clearing dictionary prefs.");
 923             // Pretend that we just autolaunched so that we won't do it again.
 924             // DictionaryManagerActivity.lastAutoLaunchMillis =
 925             // System.currentTimeMillis();
 926         }
 927         if (keyCode == KeyEvent.KEYCODE_ENTER) {
 928             Log.d(LOG, "Trying to hide soft keyboard.");
 929             final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 930             inputManager.hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(),
 931                     InputMethodManager.HIDE_NOT_ALWAYS);
 932             return true;
 933         }
 934         return super.onKeyDown(keyCode, event);
 935     }
 936
 937     private void setSearchText(final String text, final boolean triggerSearch) {
 938         if (!triggerSearch) {
 939             getListView().requestFocus();
 940         }
 941         searchText.setText(text);
 942         searchText.requestFocus();
 943         moveCursorToRight();
 944         if (triggerSearch) {
 945             onSearchTextChange(text);
 946         }
 947     }
 948
 949     private long cursorDelayMillis = 100;
 950
 951     private void moveCursorToRight() {
 952         if (searchText.getLayout() != null) {
 953             cursorDelayMillis = 100;
 954             // Surprising, but this can crash when you rotate...
 955             Selection.moveToRightEdge(searchText.getText(), searchText.getLayout());
 956         } else {
 957             uiHandler.postDelayed(new Runnable() {
 958                 @Override
 959                 public void run() {
 960                     moveCursorToRight();
 961                 }
 962             }, cursorDelayMillis);
 963             cursorDelayMillis = Math.min(10 * 1000, 2 * cursorDelayMillis);
 964         }
 965     }
 966
 967     // --------------------------------------------------------------------------
 968     // SearchOperation
 969     // --------------------------------------------------------------------------
 970
 971     private void searchFinished(final SearchOperation searchOperation) {
 972         if (searchOperation.interrupted.get()) {
 973             Log.d(LOG, "Search operation was interrupted: " + searchOperation);
 974             return;
 975         }
 976         if (searchOperation != this.currentSearchOperation) {
 977             Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
 978             return;
 979         }
 980
 981         final Index.IndexEntry searchResult = searchOperation.searchResult;
 982         Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
 983
 984         currentSearchOperation = null;
 985         uiHandler.postDelayed(new Runnable() {
 986             @Override
 987             public void run() {
 988                 if (currentSearchOperation == null) {
 989                     if (searchResult != null) {
 990                         if (isFiltered()) {
 991                             clearFiltered();
 992                         }
 993                         jumpToRow(searchResult.startRow);
 994                     } else if (searchOperation.multiWordSearchResult != null) {
 995                         // Multi-row search....
 996                         setFiltered(searchOperation);
 997                     } else {
 998                         throw new IllegalStateException("This should never happen.");
 999                     }
1000                 } else {
1001                     Log.d(LOG, "More coming, waiting for currentSearchOperation.");
1002                 }
1003             }
1004         }, 20);
1005     }
1006
1007     private final void jumpToRow(final int row) {
1008         final boolean refocusSearchText = searchText.hasFocus();
1009         Log.d(LOG, "jumpToRow: " + row + ", refocusSearchText=" + refocusSearchText);
1010         getListView().requestFocusFromTouch();
1011         getListView().setSelectionFromTop(row, 0);
1012         getListView().setSelected(true);
1013         if (refocusSearchText) {
1014             searchText.requestFocus();
1015         }
1016         //Log.d(LOG, "getSelectedItemPosition():" + getSelectedItemPosition());
1017     }
1018
1019     static final Pattern WHITESPACE = Pattern.compile("\\s+");
1020
1021     final class SearchOperation implements Runnable {
1022
1023         final AtomicBoolean interrupted = new AtomicBoolean(false);
1024
1025         final String searchText;
1026
1027         List<String> searchTokens; // filled in for multiWord.
1028
1029         final Index index;
1030
1031         long searchStartMillis;
1032
1033         Index.IndexEntry searchResult;
1034
1035         List<RowBase> multiWordSearchResult;
1036
1037         boolean done = false;
1038
1039         SearchOperation(final String searchText, final Index index) {
1040             this.searchText = StringUtil.normalizeWhitespace(searchText);
1041             this.index = index;
1042         }
1043
1044         public String toString() {
1045             return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
1046         }
1047
1048         @Override
1049         public void run() {
1050             try {
1051                 searchStartMillis = System.currentTimeMillis();
1052                 final String[] searchTokenArray = WHITESPACE.split(searchText);
1053                 if (searchTokenArray.length == 1) {
1054                     searchResult = index.findInsertionPoint(searchText, interrupted);
1055                 } else {
1056                     searchTokens = Arrays.asList(searchTokenArray);
1057                     multiWordSearchResult = index.multiWordSearch(searchText, searchTokens, interrupted);
1058                 }
1059                 Log.d(LOG,
1060                         "searchText=" + searchText + ", searchDuration="
1061                                 + (System.currentTimeMillis() - searchStartMillis)
1062                                 + ", interrupted=" + interrupted.get());
1063                 if (!interrupted.get()) {
1064                     uiHandler.post(new Runnable() {
1065                         @Override
1066                         public void run() {
1067                             searchFinished(SearchOperation.this);
1068                         }
1069                     });
1070                 } else {
1071                     Log.d(LOG, "interrupted, skipping searchFinished.");
1072                 }
1073             } catch (Exception e) {
1074                 Log.e(LOG, "Failure during search (can happen during Activity close.");
1075             } finally {
1076                 synchronized (this) {
1077                     done = true;
1078                     this.notifyAll();
1079                 }
1080             }
1081         }
1082     }
1083
1084     // --------------------------------------------------------------------------
1085     // IndexAdapter
1086     // --------------------------------------------------------------------------
1087
1088     static ViewGroup.LayoutParams WEIGHT_1 = new LinearLayout.LayoutParams(
1089             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 1.0f);
1090
1091     static ViewGroup.LayoutParams WEIGHT_0 = new LinearLayout.LayoutParams(
1092             ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT, 0.0f);
1093
1094     final class IndexAdapter extends BaseAdapter {
1095
1096         private static final float PADDING_DEFAULT_DP = 8;
1097
1098         private static final float PADDING_LARGE_DP = 16;
1099
1100         final Index index;
1101
1102         final List<RowBase> rows;
1103
1104         final Set<String> toHighlight;
1105
1106         private int mPaddingDefault;
1107
1108         private int mPaddingLarge;
1109
1110         IndexAdapter(final Index index) {
1111             this.index = index;
1112             rows = index.rows;
1113             this.toHighlight = null;
1114             getMetrics();
1115         }
1116
1117         IndexAdapter(final Index index, final List<RowBase> rows, final List<String> toHighlight) {
1118             this.index = index;
1119             this.rows = rows;
1120             this.toHighlight = new LinkedHashSet<String>(toHighlight);
1121             getMetrics();
1122         }
1123
1124         private void getMetrics() {
1125             // Get the screen's density scale
1126             final float scale = getResources().getDisplayMetrics().density;
1127             // Convert the dps to pixels, based on density scale
1128             mPaddingDefault = (int) (PADDING_DEFAULT_DP * scale + 0.5f);
1129             mPaddingLarge = (int) (PADDING_LARGE_DP * scale + 0.5f);
1130         }
1131
1132         @Override
1133         public int getCount() {
1134             return rows.size();
1135         }
1136
1137         @Override
1138         public RowBase getItem(int position) {
1139             return rows.get(position);
1140         }
1141
1142         @Override
1143         public long getItemId(int position) {
1144             return getItem(position).index();
1145         }
1146
1147         @Override
1148         public TableLayout getView(int position, View convertView, ViewGroup parent) {
1149             final TableLayout result;
1150             if (convertView instanceof TableLayout) {
1151                 result = (TableLayout) convertView;
1152                 result.removeAllViews();
1153             } else {
1154                 result = new TableLayout(parent.getContext());
1155             }
1156             final RowBase row = getItem(position);
1157             if (row instanceof PairEntry.Row) {
1158                 return getView(position, (PairEntry.Row) row, parent, result);
1159             } else if (row instanceof TokenRow) {
1160                 return getView((TokenRow) row, parent, result);
1161             } else if (row instanceof HtmlEntry.Row) {
1162                 return getView((HtmlEntry.Row) row, parent, result);
1163             } else {
1164                 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
1165             }
1166         }
1167
1168         private TableLayout getView(final int position, PairEntry.Row row, ViewGroup parent,
1169                 final TableLayout result) {
1170             final PairEntry entry = row.getEntry();
1171             final int rowCount = entry.pairs.size();
1172
1173             final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
1174             layoutParams.weight = 0.5f;
1175             layoutParams.leftMargin = mPaddingLarge;
1176
1177             for (int r = 0; r < rowCount; ++r) {
1178                 final TableRow tableRow = new TableRow(result.getContext());
1179
1180                 final TextView col1 = new TextView(tableRow.getContext());
1181                 final TextView col2 = new TextView(tableRow.getContext());
1182
1183                 // Set the columns in the table.
1184                 if (r > 0) {
1185                     final TextView bullet = new TextView(tableRow.getContext());
1186                     bullet.setText(" • ");
1187                     tableRow.addView(bullet);
1188                 }
1189                 tableRow.addView(col1, layoutParams);
1190                 final TextView margin = new TextView(tableRow.getContext());
1191                 margin.setText(" ");
1192                 tableRow.addView(margin);
1193                 if (r > 0) {
1194                     final TextView bullet = new TextView(tableRow.getContext());
1195                     bullet.setText(" • ");
1196                     tableRow.addView(bullet);
1197                 }
1198                 tableRow.addView(col2, layoutParams);
1199                 col1.setWidth(1);
1200                 col2.setWidth(1);
1201
1202                 // Set what's in the columns.
1203
1204                 final Pair pair = entry.pairs.get(r);
1205                 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
1206                 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
1207
1208                 col1.setText(col1Text, TextView.BufferType.SPANNABLE);
1209                 col2.setText(col2Text, TextView.BufferType.SPANNABLE);
1210
1211                 // Bold the token instances in col1.
1212                 final Set<String> toBold = toHighlight != null ? this.toHighlight : Collections
1213                         .singleton(row.getTokenRow(true).getToken());
1214                 final Spannable col1Spannable = (Spannable) col1.getText();
1215                 for (final String token : toBold) {
1216                     int startPos = 0;
1217                     while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
1218                         col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos, startPos
1219                                 + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1220                         startPos += token.length();
1221                     }
1222                 }
1223
1224                 createTokenLinkSpans(col1, col1Spannable, col1Text);
1225                 createTokenLinkSpans(col2, (Spannable) col2.getText(), col2Text);
1226
1227                 col1.setTypeface(typeface);
1228                 col2.setTypeface(typeface);
1229                 col1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1230                 col2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1231                 // col2.setBackgroundResource(theme.otherLangBg);
1232
1233                 if (index.swapPairEntries) {
1234                     col2.setOnLongClickListener(textViewLongClickListenerIndex0);
1235                     col1.setOnLongClickListener(textViewLongClickListenerIndex1);
1236                 } else {
1237                     col1.setOnLongClickListener(textViewLongClickListenerIndex0);
1238                     col2.setOnLongClickListener(textViewLongClickListenerIndex1);
1239                 }
1240
1241                 result.addView(tableRow);
1242             }
1243
1244             // Because we have a Button inside a ListView row:
1245             // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
1246             result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
1247             result.setClickable(true);
1248             result.setFocusable(true);
1249             result.setLongClickable(true);
1250             result.setBackgroundResource(android.R.drawable.menuitem_background);
1251             result.setOnClickListener(new TextView.OnClickListener() {
1252                 @Override
1253                 public void onClick(View v) {
1254                     DictionaryActivity.this.onListItemClick(getListView(), v, position, position);
1255                 }
1256             });
1257
1258             return result;
1259         }
1260
1261         private TableLayout getPossibleLinkToHtmlEntryView(final boolean isTokenRow,
1262                 final String text, final boolean hasMainEntry, final List<HtmlEntry> htmlEntries,
1263                 final String htmlTextToHighlight, ViewGroup parent, final TableLayout result) {
1264             final Context context = parent.getContext();
1265
1266             final TableRow tableRow = new TableRow(result.getContext());
1267             tableRow.setBackgroundResource(hasMainEntry ? theme.tokenRowMainBg
1268                     : theme.tokenRowOtherBg);
1269             if (isTokenRow) {
1270                 tableRow.setPadding(mPaddingDefault, mPaddingDefault, mPaddingDefault, 0);
1271             } else {
1272                 tableRow.setPadding(mPaddingLarge, mPaddingDefault, mPaddingDefault, 0);
1273             }
1274             result.addView(tableRow);
1275
1276             // Make it so we can long-click on these token rows, too:
1277             final TextView textView = new TextView(context);
1278             textView.setText(text, BufferType.SPANNABLE);
1279             createTokenLinkSpans(textView, (Spannable) textView.getText(), text);
1280             final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1281                     0);
1282             textView.setOnLongClickListener(textViewLongClickListenerIndex0);
1283             result.setLongClickable(true);
1284
1285             // Doesn't work:
1286             // textView.setTextColor(android.R.color.secondary_text_light);
1287             textView.setTypeface(typeface);
1288             TableRow.LayoutParams lp = new TableRow.LayoutParams(0);
1289             if (isTokenRow) {
1290                 textView.setTextAppearance(context, theme.tokenRowFg);
1291                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 4 * fontSizeSp / 3);
1292             } else {
1293                 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
1294             }
1295             lp.weight = 1.0f;
1296
1297             textView.setLayoutParams(lp);
1298             tableRow.addView(textView);
1299
1300             if (!htmlEntries.isEmpty()) {
1301                 final ClickableSpan clickableSpan = new ClickableSpan() {
1302                     @Override
1303                     public void onClick(View widget) {
1304                     }
1305                 };
1306                 ((Spannable) textView.getText()).setSpan(clickableSpan, 0, text.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);
1307                 result.setClickable(true);
1308                 textView.setClickable(true);
1309                 textView.setMovementMethod(LinkMovementMethod.getInstance());
1310                 textView.setOnClickListener(new OnClickListener() {
1311                     @Override
1312                     public void onClick(View v) {
1313                         String html = HtmlEntry.htmlBody(htmlEntries, index.shortName);
1314                         //Log.d(LOG, "html=" + html);
1315                         startActivityForResult(
1316                                 HtmlDisplayActivity.getHtmlIntent(String.format(
1317                                         "<html><head></head><body>%s</body></html>", html),
1318                                         htmlTextToHighlight, false),
1319                                 0);
1320                     }
1321                 });
1322             }
1323             return result;
1324         }
1325
1326         private TableLayout getView(TokenRow row, ViewGroup parent, final TableLayout result) {
1327             final IndexEntry indexEntry = row.getIndexEntry();
1328             return getPossibleLinkToHtmlEntryView(true, indexEntry.token, row.hasMainEntry,
1329                     indexEntry.htmlEntries, null, parent, result);
1330         }
1331
1332         private TableLayout getView(HtmlEntry.Row row, ViewGroup parent, final TableLayout result) {
1333             final HtmlEntry htmlEntry = row.getEntry();
1334             final TokenRow tokenRow = row.getTokenRow(true);
1335             return getPossibleLinkToHtmlEntryView(false,
1336                     getString(R.string.seeAlso, htmlEntry.title, htmlEntry.entrySource.getName()),
1337                     false, Collections.singletonList(htmlEntry), tokenRow.getToken(), parent,
1338                     result);
1339         }
1340
1341     }
1342
1343     static final Pattern CHAR_DASH = Pattern.compile("['\\p{L}\\p{M}\\p{N}]+");
1344
1345     private void createTokenLinkSpans(final TextView textView, final Spannable spannable,
1346             final String text) {
1347         // Saw from the source code that LinkMovementMethod sets the selection!
1348         // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.1_r1/android/text/method/LinkMovementMethod.java#LinkMovementMethod
1349         textView.setMovementMethod(LinkMovementMethod.getInstance());
1350         final Matcher matcher = CHAR_DASH.matcher(text);
1351         while (matcher.find()) {
1352             spannable.setSpan(new NonLinkClickableSpan(textColorFg), matcher.start(), matcher.end(),
1353                     Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
1354         }
1355     }
1356
1357     String selectedSpannableText = null;
1358
1359     int selectedSpannableIndex = -1;
1360
1361     @Override
1362     public boolean onTouchEvent(MotionEvent event) {
1363         selectedSpannableText = null;
1364         selectedSpannableIndex = -1;
1365         return super.onTouchEvent(event);
1366     }
1367
1368     private class TextViewLongClickListener implements OnLongClickListener {
1369         final int index;
1370
1371         private TextViewLongClickListener(final int index) {
1372             this.index = index;
1373         }
1374
1375         @Override
1376         public boolean onLongClick(final View v) {
1377             final TextView textView = (TextView) v;
1378             final int start = textView.getSelectionStart();
1379             final int end = textView.getSelectionEnd();
1380             if (start >= 0 && end >= 0) {
1381                 selectedSpannableText = textView.getText().subSequence(start, end).toString();
1382                 selectedSpannableIndex = index;
1383             }
1384             return false;
1385         }
1386     }
1387
1388     final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(
1389             0);
1390
1391     final TextViewLongClickListener textViewLongClickListenerIndex1 = new TextViewLongClickListener(
1392             1);
1393
1394     // --------------------------------------------------------------------------
1395     // SearchText
1396     // --------------------------------------------------------------------------
1397
1398     void onSearchTextChange(final String text) {
1399         if ("thadolina".equals(text)) {
1400             final Dialog dialog = new Dialog(getListView().getContext());
1401             dialog.setContentView(R.layout.thadolina_dialog);
1402             dialog.setTitle("Ti amo, amore mio!");
1403             final ImageView imageView = (ImageView) dialog.findViewById(R.id.thadolina_image);
1404             imageView.setOnClickListener(new OnClickListener() {
1405                 @Override
1406                 public void onClick(View v) {
1407                     final Intent intent = new Intent(Intent.ACTION_VIEW);
1408                     intent.setData(Uri.parse("https://sites.google.com/site/cfoxroxvday/vday2012"));
1409                     startActivity(intent);
1410                 }
1411             });
1412             dialog.show();
1413         }
1414         if (dictRaf == null) {
1415             Log.d(LOG, "searchText changed during shutdown, doing nothing.");
1416             return;
1417         }
1418         if (!searchText.isFocused()) {
1419             Log.d(LOG, "searchText changed without focus, doing nothing.");
1420             return;
1421         }
1422         Log.d(LOG, "onSearchTextChange: " + text);
1423         if (currentSearchOperation != null) {
1424             Log.d(LOG, "Interrupting currentSearchOperation.");
1425             currentSearchOperation.interrupted.set(true);
1426         }
1427         currentSearchOperation = new SearchOperation(text, index);
1428         searchExecutor.execute(currentSearchOperation);
1429     }
1430
1431     private class SearchTextWatcher implements TextWatcher {
1432         public void afterTextChanged(final Editable searchTextEditable) {
1433             if (searchText.hasFocus()) {
1434                 Log.d(LOG, "SearchTextWatcher: Search text changed with focus: " + searchText.getText());
1435                 // If they were typing to cause the change, update the UI.
1436                 onSearchTextChange(searchText.getText().toString());
1437             }
1438         }
1439
1440         public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
1441         }
1442
1443         public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
1444         }
1445     }
1446
1447     // --------------------------------------------------------------------------
1448     // Filtered results.
1449     // --------------------------------------------------------------------------
1450
1451     boolean isFiltered() {
1452         return rowsToShow != null;
1453     }
1454
1455     void setFiltered(final SearchOperation searchOperation) {
1456         ((ImageButton) findViewById(R.id.UpButton)).setEnabled(false);
1457         ((ImageButton) findViewById(R.id.DownButton)).setEnabled(false);
1458         rowsToShow = searchOperation.multiWordSearchResult;
1459         setListAdapter(new IndexAdapter(index, rowsToShow, searchOperation.searchTokens));
1460     }
1461
1462     void clearFiltered() {
1463         ((ImageButton) findViewById(R.id.UpButton)).setEnabled(true);
1464         ((ImageButton) findViewById(R.id.DownButton)).setEnabled(true);
1465         setListAdapter(new IndexAdapter(index));
1466         rowsToShow = null;
1467     }
1468
1469 }