1 package com.hughes.android.dictionary;
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4 import java.io.FileWriter;
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5 import java.io.IOException;
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6 import java.io.PrintWriter;
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7 import java.io.RandomAccessFile;
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8 import java.text.SimpleDateFormat;
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9 import java.util.Date;
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10 import java.util.concurrent.Executor;
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11 import java.util.concurrent.Executors;
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12 import java.util.concurrent.ThreadFactory;
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13 import java.util.concurrent.atomic.AtomicBoolean;
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15 import android.app.ListActivity;
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16 import android.content.Context;
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17 import android.content.Intent;
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18 import android.content.SharedPreferences;
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19 import android.graphics.Typeface;
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20 import android.os.Bundle;
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21 import android.os.Handler;
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22 import android.preference.PreferenceManager;
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23 import android.text.ClipboardManager;
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24 import android.text.Editable;
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25 import android.text.Spannable;
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26 import android.text.TextWatcher;
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27 import android.text.style.StyleSpan;
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28 import android.util.Log;
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29 import android.view.ContextMenu;
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30 import android.view.ContextMenu.ContextMenuInfo;
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31 import android.view.KeyEvent;
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32 import android.view.Menu;
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33 import android.view.MenuItem;
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34 import android.view.MenuItem.OnMenuItemClickListener;
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35 import android.view.View;
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36 import android.view.View.OnClickListener;
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37 import android.view.ViewGroup;
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38 import android.view.inputmethod.InputMethodManager;
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39 import android.widget.AdapterView;
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40 import android.widget.AdapterView.AdapterContextMenuInfo;
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41 import android.widget.BaseAdapter;
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42 import android.widget.Button;
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43 import android.widget.EditText;
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44 import android.widget.ListAdapter;
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45 import android.widget.ListView;
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46 import android.widget.TableLayout;
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47 import android.widget.TableRow;
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48 import android.widget.TextView;
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49 import android.widget.Toast;
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51 import com.hughes.android.dictionary.engine.Dictionary;
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52 import com.hughes.android.dictionary.engine.Index;
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53 import com.hughes.android.dictionary.engine.PairEntry;
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54 import com.hughes.android.dictionary.engine.PairEntry.Pair;
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55 import com.hughes.android.dictionary.engine.RowBase;
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56 import com.hughes.android.dictionary.engine.TokenRow;
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57 import com.hughes.android.dictionary.engine.TransliteratorManager;
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58 import com.hughes.android.util.PersistentObjectCache;
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60 public class DictionaryActivity extends ListActivity {
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62 static final String LOG = "QuickDic";
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64 static final int VIBRATE_MILLIS = 100;
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67 RandomAccessFile dictRaf = null;
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68 Dictionary dictionary = null;
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72 // package for test.
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73 final Handler uiHandler = new Handler();
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74 private final Executor searchExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
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76 public Thread newThread(Runnable r) {
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77 return new Thread(r, "searchExecutor");
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80 private SearchOperation currentSearchOperation = null;
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82 EditText searchText;
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86 private File wordList = null;
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87 private boolean saveOnlyFirstSubentry = false;
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89 // Visible for testing.
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90 ListAdapter indexAdapter = null;
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92 final SearchTextWatcher searchTextWatcher = new SearchTextWatcher();
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94 //private Vibrator vibrator = null;
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96 public DictionaryActivity() {
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99 public static Intent getIntent(final Context context, final int dictIndex, final int indexIndex, final String searchToken) {
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100 setDictionaryPrefs(context, dictIndex, indexIndex, searchToken);
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102 final Intent intent = new Intent();
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103 intent.setClassName(DictionaryActivity.class.getPackage().getName(), DictionaryActivity.class.getName());
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107 public static void setDictionaryPrefs(final Context context,
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108 final int dictIndex, final int indexIndex, final String searchToken) {
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109 final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(context).edit();
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110 prefs.putInt(C.DICT_INDEX, dictIndex);
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111 prefs.putInt(C.INDEX_INDEX, indexIndex);
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112 prefs.putString(C.SEARCH_TOKEN, searchToken);
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116 public static void clearDictionaryPrefs(final Context context) {
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117 final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(context).edit();
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118 prefs.remove(C.DICT_INDEX);
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119 prefs.remove(C.INDEX_INDEX);
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120 prefs.remove(C.SEARCH_TOKEN);
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125 public void onCreate(Bundle savedInstanceState) {
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126 super.onCreate(savedInstanceState);
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127 Log.d(LOG, "onCreate:" + this);
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129 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
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132 PersistentObjectCache.init(this);
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133 QuickDicConfig quickDicConfig = PersistentObjectCache.init(
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134 this).read(C.DICTIONARY_CONFIGS, QuickDicConfig.class);
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135 dictIndex = prefs.getInt(C.DICT_INDEX, 0) ;
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136 final DictionaryConfig dictionaryConfig = quickDicConfig.dictionaryConfigs.get(dictIndex);
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137 dictRaf = new RandomAccessFile(dictionaryConfig.localFile, "r");
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138 dictionary = new Dictionary(dictRaf);
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139 } catch (Exception e) {
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140 Log.e(LOG, "Unable to load dictionary.", e);
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141 if (dictRaf != null) {
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144 } catch (IOException e1) {
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145 Log.e(LOG, "Unable to close dictRaf.", e1);
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149 Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()), Toast.LENGTH_LONG);
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150 startActivity(DictionaryEditActivity.getIntent(dictIndex));
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155 indexIndex = prefs.getInt(C.INDEX_INDEX, 0) % dictionary.indices.size();
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156 Log.d(LOG, "Loading index.");
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157 index = dictionary.indices.get(indexIndex);
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158 setListAdapter(new IndexAdapter(index));
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160 // Pre-load the collators.
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161 searchExecutor.execute(new Runnable() {
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162 public void run() {
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163 final long startMillis = System.currentTimeMillis();
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165 TransliteratorManager.init(new TransliteratorManager.Callback() {
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167 public void onTransliteratorReady() {
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168 uiHandler.post(new Runnable() {
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170 public void run() {
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171 onSearchTextChange(searchText.getText().toString());
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177 for (final Index index : dictionary.indices) {
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178 Log.d(LOG, "Starting collator load for lang=" + index.sortLanguage.getSymbol());
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180 final com.ibm.icu.text.Collator c = index.sortLanguage.getCollator();
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181 if (c.compare("pre-print", "preppy") >= 0) {
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182 Log.e(LOG, c.getClass()
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183 + " is buggy, lookups may not work properly.");
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186 Log.d(LOG, "Loading collators took:"
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187 + (System.currentTimeMillis() - startMillis));
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192 setContentView(R.layout.dictionary_activity);
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193 searchText = (EditText) findViewById(R.id.SearchText);
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194 langButton = (Button) findViewById(R.id.LangButton);
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196 searchText.requestFocus();
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197 searchText.addTextChangedListener(searchTextWatcher);
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198 searchText.setText(prefs.getString(C.SEARCH_TOKEN, ""));
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199 Log.d(LOG, "Trying to restore searchText=" + searchText.getText());
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201 final Button clearSearchTextButton = (Button) findViewById(R.id.ClearSearchTextButton);
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202 clearSearchTextButton.setOnClickListener(new OnClickListener() {
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203 public void onClick(View v) {
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204 onClearSearchTextButton(clearSearchTextButton);
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207 clearSearchTextButton.setVisibility(PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
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208 getString(R.string.showClearSearchTextButtonKey), true) ? View.VISIBLE
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211 final Button langButton = (Button) findViewById(R.id.LangButton);
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212 langButton.setOnClickListener(new OnClickListener() {
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213 public void onClick(View v) {
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214 onLanguageButton();
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217 updateLangButton();
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219 final Button upButton = (Button) findViewById(R.id.UpButton);
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220 upButton.setOnClickListener(new OnClickListener() {
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221 public void onClick(View v) {
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222 onUpDownButton(true);
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225 final Button downButton = (Button) findViewById(R.id.DownButton);
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226 downButton.setOnClickListener(new OnClickListener() {
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227 public void onClick(View v) {
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228 onUpDownButton(false);
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232 getListView().setOnItemSelectedListener(new ListView.OnItemSelectedListener() {
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234 public void onItemSelected(AdapterView<?> adapterView, View arg1, final int position,
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236 if (!searchText.isFocused()) {
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237 // TODO: don't do this if multi words are entered.
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238 final RowBase row = (RowBase) getListAdapter().getItem(position);
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239 Log.d(LOG, "onItemSelected: " + row.index());
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240 final TokenRow tokenRow = row.getTokenRow(true);
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241 searchText.setText(tokenRow.getToken());
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246 public void onNothingSelected(AdapterView<?> arg0) {
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251 registerForContextMenu(getListView());
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254 wordList = new File(prefs.getString(getString(R.string.wordListFileKey),
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255 getString(R.string.wordListFileDefault)));
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256 saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey), false);
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257 if (prefs.getBoolean(getString(R.string.vibrateOnFailedSearchKey), true)) {
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258 // vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
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260 Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
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265 protected void onResume() {
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270 protected void onPause() {
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275 protected void onDestroy() {
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277 if (dictRaf == null) {
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280 setDictionaryPrefs(this, dictIndex, indexIndex, searchText.getText().toString());
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283 } catch (IOException e) {
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284 Log.e(LOG, "Failed to close dictionary", e);
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288 // --------------------------------------------------------------------------
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290 // --------------------------------------------------------------------------
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292 private void onClearSearchTextButton(final Button clearSearchTextButton) {
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293 clearSearchTextButton.requestFocus();
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294 searchText.setText("");
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295 searchText.requestFocus();
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296 Log.d(LOG, "Trying to show soft keyboard.");
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297 final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
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298 manager.showSoftInput(searchText, InputMethodManager.SHOW_IMPLICIT);
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301 void updateLangButton() {
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302 langButton.setText(index.shortName.toUpperCase());
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305 void onLanguageButton() {
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306 if (currentSearchOperation != null) {
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307 currentSearchOperation.interrupted.set(true);
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308 currentSearchOperation = null;
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311 indexIndex = (indexIndex + 1) % dictionary.indices.size();
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312 index = dictionary.indices.get(indexIndex);
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313 indexAdapter = new IndexAdapter(index);
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314 Log.d(LOG, "onLanguageButton, newLang=" + index.longName);
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315 setListAdapter(indexAdapter);
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316 updateLangButton();
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317 onSearchTextChange(searchText.getText().toString());
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320 void onUpDownButton(final boolean up) {
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321 final int firstVisibleRow = getListView().getFirstVisiblePosition();
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322 final RowBase row = index.rows.get(firstVisibleRow);
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323 final TokenRow tokenRow = row.getTokenRow(true);
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324 final int destIndexEntry;
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326 if (row != tokenRow) {
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327 destIndexEntry = tokenRow.referenceIndex;
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329 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
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333 destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size());
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335 final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
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336 Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
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337 searchText.removeTextChangedListener(searchTextWatcher);
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338 searchText.setText(dest.token);
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339 jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
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340 searchText.addTextChangedListener(searchTextWatcher);
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343 // --------------------------------------------------------------------------
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345 // --------------------------------------------------------------------------
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348 public boolean onCreateOptionsMenu(final Menu menu) {
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351 final MenuItem preferences = menu.add(getString(R.string.preferences));
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352 preferences.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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353 public boolean onMenuItemClick(final MenuItem menuItem) {
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354 startActivity(new Intent(DictionaryActivity.this,
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355 PreferenceActivity.class));
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362 final MenuItem dictionaryList = menu.add(getString(R.string.dictionaryList));
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363 dictionaryList.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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364 public boolean onMenuItemClick(final MenuItem menuItem) {
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365 startActivity(DictionaryListActivity.getIntent(DictionaryActivity.this));
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366 startActivity(DictionaryListActivity.getIntent(DictionaryActivity.this));
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373 final MenuItem dictionaryList = menu.add(getString(R.string.editDictionary));
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374 dictionaryList.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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375 public boolean onMenuItemClick(final MenuItem menuItem) {
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376 final Intent intent = DictionaryEditActivity.getIntent(dictIndex);
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377 startActivity(intent);
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387 // --------------------------------------------------------------------------
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388 // Context Menu + clicks
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389 // --------------------------------------------------------------------------
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392 public void onCreateContextMenu(ContextMenu menu, View v,
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393 ContextMenuInfo menuInfo) {
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394 AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
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395 final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
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397 final MenuItem addToWordlist = menu.add(getString(R.string.addToWordList, wordList.getName()));
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398 addToWordlist.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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399 public boolean onMenuItemClick(MenuItem item) {
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400 onAppendToWordList(row);
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405 final MenuItem copy = menu.add(android.R.string.copy);
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406 copy.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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407 public boolean onMenuItemClick(MenuItem item) {
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416 protected void onListItemClick(ListView l, View v, int row, long id) {
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417 openContextMenu(v);
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420 void onAppendToWordList(final RowBase row) {
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421 final StringBuilder rawText = new StringBuilder();
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423 new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date()))
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425 rawText.append(index.longName).append("\t");
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426 rawText.append(row.getTokenRow(true).getToken()).append("\t");
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427 rawText.append(row.getRawText(saveOnlyFirstSubentry));
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428 Log.d(LOG, "Writing : " + rawText);
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430 wordList.getParentFile().mkdirs();
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431 final PrintWriter out = new PrintWriter(
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432 new FileWriter(wordList, true));
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433 out.println(rawText.toString());
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435 } catch (IOException e) {
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436 Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
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437 Toast.makeText(this, getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()), Toast.LENGTH_LONG);
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442 void onCopy(final RowBase row) {
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443 Log.d(LOG, "Copy, row=" + row);
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444 final StringBuilder result = new StringBuilder();
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445 result.append(row.getRawText(false));
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446 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
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447 clipboardManager.setText(result.toString());
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448 Log.d(LOG, "Copied: " + result);
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452 public boolean onKeyDown(final int keyCode, final KeyEvent event) {
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453 if (event.getUnicodeChar() != 0) {
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454 if (!searchText.hasFocus()) {
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455 searchText.setText("" + (char) event.getUnicodeChar());
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456 onSearchTextChange(searchText.getText().toString());
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457 searchText.requestFocus();
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461 return super.onKeyDown(keyCode, event);
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465 // --------------------------------------------------------------------------
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467 // --------------------------------------------------------------------------
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469 private void searchFinished(final SearchOperation searchOperation) {
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470 if (searchOperation.interrupted.get()) {
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471 Log.d(LOG, "Search operation was interrupted: " + searchOperation);
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474 if (searchOperation != this.currentSearchOperation) {
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475 Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
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479 final Index.IndexEntry searchResult = searchOperation.searchResult;
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480 Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
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482 currentSearchOperation = null;
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484 uiHandler.postDelayed(new Runnable() {
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486 public void run() {
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487 if (currentSearchOperation == null) {
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488 jumpToRow(searchResult.startRow);
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490 Log.d(LOG, "More coming, waiting for currentSearchOperation.");
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495 // if (!searchResult.success) {
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496 // if (vibrator != null) {
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497 // vibrator.vibrate(VIBRATE_MILLIS);
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499 // searchText.setText(searchResult.longestPrefixString);
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500 // searchText.setSelection(searchResult.longestPrefixString.length());
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506 private final void jumpToRow(final int row) {
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508 getListView().setSelected(true);
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511 final class SearchOperation implements Runnable {
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513 final AtomicBoolean interrupted = new AtomicBoolean(false);
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514 final String searchText;
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517 long searchStartMillis;
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519 Index.IndexEntry searchResult;
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521 SearchOperation(final String searchText, final Index index) {
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522 this.searchText = searchText.trim();
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523 this.index = index;
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526 public String toString() {
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527 return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
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531 public void run() {
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532 searchStartMillis = System.currentTimeMillis();
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533 searchResult = index.findInsertionPoint(searchText, interrupted);
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534 Log.d(LOG, "searchText=" + searchText + ", searchDuration="
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535 + (System.currentTimeMillis() - searchStartMillis) + ", interrupted="
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536 + interrupted.get());
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537 if (!interrupted.get()) {
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538 uiHandler.post(new Runnable() {
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540 public void run() {
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541 searchFinished(SearchOperation.this);
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549 // --------------------------------------------------------------------------
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551 // --------------------------------------------------------------------------
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553 static final class IndexAdapter extends BaseAdapter {
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557 IndexAdapter(final Index index) {
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558 this.index = index;
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562 public int getCount() {
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563 return index.rows.size();
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567 public RowBase getItem(int position) {
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568 return index.rows.get(position);
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572 public long getItemId(int position) {
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573 return getItem(position).index();
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577 public View getView(int position, View convertView, ViewGroup parent) {
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578 final RowBase row = index.rows.get(position);
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579 if (row instanceof PairEntry.Row) {
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580 return getView((PairEntry.Row) row, parent);
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581 } else if (row instanceof TokenRow) {
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582 return getView((TokenRow) row, parent);
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584 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
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588 private View getView(PairEntry.Row row, ViewGroup parent) {
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589 final TableLayout result = new TableLayout(parent.getContext());
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590 final PairEntry entry = row.getEntry();
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591 final int rowCount = entry.pairs.size();
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592 for (int r = 0; r < rowCount; ++r) {
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593 final TableRow tableRow = new TableRow(result.getContext());
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595 TextView column1 = new TextView(tableRow.getContext());
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596 TextView column2 = new TextView(tableRow.getContext());
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597 final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
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598 layoutParams.weight = 0.5f;
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601 final TextView spacer = new TextView(tableRow.getContext());
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602 spacer.setText(" • ");
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603 tableRow.addView(spacer);
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605 tableRow.addView(column1, layoutParams);
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607 final TextView spacer = new TextView(tableRow.getContext());
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608 spacer.setText(" • ");
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609 tableRow.addView(spacer);
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611 tableRow.addView(column2, layoutParams);
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613 column1.setWidth(1);
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614 column2.setWidth(1);
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616 // TODO: color words by gender
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617 final Pair pair = entry.pairs.get(r);
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618 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
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619 column1.setText(col1Text, TextView.BufferType.SPANNABLE);
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620 final Spannable col1Spannable = (Spannable) column1.getText();
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623 final String token = row.getTokenRow(true).getToken();
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624 while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
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625 col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos,
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626 startPos + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
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627 startPos += token.length();
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630 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
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631 column2.setText(col2Text, TextView.BufferType.NORMAL);
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633 result.addView(tableRow);
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639 private View getView(TokenRow row, ViewGroup parent) {
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640 final TextView textView = new TextView(parent.getContext());
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641 textView.setText(row.getToken());
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642 textView.setTextSize(20);
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648 // --------------------------------------------------------------------------
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650 // --------------------------------------------------------------------------
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652 void onSearchTextChange(final String text) {
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653 if (!searchText.isFocused()) {
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654 Log.d(LOG, "searchText changed without focus, doing nothing.");
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657 Log.d(LOG, "onSearchTextChange: " + text);
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658 if (currentSearchOperation != null) {
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659 Log.d(LOG, "Interrupting currentSearchOperation.");
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660 currentSearchOperation.interrupted.set(true);
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662 currentSearchOperation = new SearchOperation(text, index);
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663 searchExecutor.execute(currentSearchOperation);
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666 private class SearchTextWatcher implements TextWatcher {
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667 public void afterTextChanged(final Editable searchTextEditable) {
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668 if (searchText.hasFocus()) {
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669 Log.d(LOG, "Search text changed with focus: " + searchText.getText());
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670 // If they were typing to cause the change, update the UI.
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671 onSearchTextChange(searchText.getText().toString());
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675 public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,
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679 public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
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