1 // Copyright 2011 Google Inc. All Rights Reserved.
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3 // Licensed under the Apache License, Version 2.0 (the "License");
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4 // you may not use this file except in compliance with the License.
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5 // You may obtain a copy of the License at
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7 // http://www.apache.org/licenses/LICENSE-2.0
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9 // Unless required by applicable law or agreed to in writing, software
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10 // distributed under the License is distributed on an "AS IS" BASIS,
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11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 // See the License for the specific language governing permissions and
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13 // limitations under the License.
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15 package com.hughes.android.dictionary;
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17 import java.io.File;
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18 import java.io.FileWriter;
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19 import java.io.IOException;
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20 import java.io.PrintWriter;
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21 import java.io.RandomAccessFile;
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22 import java.text.SimpleDateFormat;
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23 import java.util.Date;
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24 import java.util.concurrent.Executor;
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25 import java.util.concurrent.Executors;
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26 import java.util.concurrent.ThreadFactory;
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27 import java.util.concurrent.atomic.AtomicBoolean;
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29 import android.app.ListActivity;
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30 import android.content.Context;
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31 import android.content.Intent;
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32 import android.content.SharedPreferences;
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33 import android.graphics.Typeface;
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34 import android.os.Bundle;
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35 import android.os.Handler;
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36 import android.preference.PreferenceManager;
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37 import android.text.ClipboardManager;
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38 import android.text.Editable;
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39 import android.text.Spannable;
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40 import android.text.TextWatcher;
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41 import android.text.style.StyleSpan;
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42 import android.util.Log;
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43 import android.util.TypedValue;
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44 import android.view.ContextMenu;
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45 import android.view.ContextMenu.ContextMenuInfo;
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46 import android.view.KeyEvent;
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47 import android.view.Menu;
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48 import android.view.MenuItem;
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49 import android.view.MenuItem.OnMenuItemClickListener;
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50 import android.view.View;
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51 import android.view.View.OnClickListener;
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52 import android.view.ViewGroup;
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53 import android.view.inputmethod.InputMethodManager;
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54 import android.widget.AdapterView;
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55 import android.widget.AdapterView.AdapterContextMenuInfo;
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56 import android.widget.BaseAdapter;
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57 import android.widget.Button;
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58 import android.widget.EditText;
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59 import android.widget.ListAdapter;
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60 import android.widget.ListView;
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61 import android.widget.TableLayout;
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62 import android.widget.TableRow;
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63 import android.widget.TextView;
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64 import android.widget.Toast;
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66 import com.hughes.android.dictionary.engine.Dictionary;
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67 import com.hughes.android.dictionary.engine.Index;
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68 import com.hughes.android.dictionary.engine.PairEntry;
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69 import com.hughes.android.dictionary.engine.PairEntry.Pair;
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70 import com.hughes.android.dictionary.engine.RowBase;
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71 import com.hughes.android.dictionary.engine.TokenRow;
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72 import com.hughes.android.dictionary.engine.TransliteratorManager;
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73 import com.hughes.android.util.PersistentObjectCache;
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75 public class DictionaryActivity extends ListActivity {
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77 static final String LOG = "QuickDic";
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79 static final int VIBRATE_MILLIS = 100;
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82 RandomAccessFile dictRaf = null;
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83 Dictionary dictionary = null;
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87 // package for test.
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88 final Handler uiHandler = new Handler();
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89 private final Executor searchExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
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91 public Thread newThread(Runnable r) {
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92 return new Thread(r, "searchExecutor");
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95 private SearchOperation currentSearchOperation = null;
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98 EditText searchText;
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102 private File wordList = null;
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103 private boolean saveOnlyFirstSubentry = false;
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104 private boolean clickOpensContextMenu = false;
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106 // Visible for testing.
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107 ListAdapter indexAdapter = null;
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109 final SearchTextWatcher searchTextWatcher = new SearchTextWatcher();
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111 //private Vibrator vibrator = null;
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113 public DictionaryActivity() {
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116 public static Intent getIntent(final Context context, final int dictIndex, final int indexIndex, final String searchToken) {
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117 setDictionaryPrefs(context, dictIndex, indexIndex, searchToken);
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119 final Intent intent = new Intent();
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120 intent.setClassName(DictionaryActivity.class.getPackage().getName(), DictionaryActivity.class.getName());
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124 public static void setDictionaryPrefs(final Context context,
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125 final int dictIndex, final int indexIndex, final String searchToken) {
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126 final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(context).edit();
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127 prefs.putInt(C.DICT_INDEX, dictIndex);
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128 prefs.putInt(C.INDEX_INDEX, indexIndex);
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129 prefs.putString(C.SEARCH_TOKEN, searchToken);
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133 public static void clearDictionaryPrefs(final Context context) {
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134 final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(context).edit();
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135 prefs.remove(C.DICT_INDEX);
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136 prefs.remove(C.INDEX_INDEX);
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137 prefs.remove(C.SEARCH_TOKEN);
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139 Log.d(LOG, "Removed default dictionary prefs.");
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143 public void onCreate(Bundle savedInstanceState) {
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144 ((DictionaryApplication)getApplication()).applyTheme(this);
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146 super.onCreate(savedInstanceState);
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147 Log.d(LOG, "onCreate:" + this);
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149 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
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152 PersistentObjectCache.init(this);
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153 QuickDicConfig quickDicConfig = PersistentObjectCache.init(
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154 this).read(C.DICTIONARY_CONFIGS, QuickDicConfig.class);
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155 dictIndex = prefs.getInt(C.DICT_INDEX, 0) ;
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156 final DictionaryConfig dictionaryConfig = quickDicConfig.dictionaryConfigs.get(dictIndex);
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157 this.setTitle("QuickDic: " + dictionaryConfig.name);
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158 dictRaf = new RandomAccessFile(dictionaryConfig.localFile, "r");
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159 dictionary = new Dictionary(dictRaf);
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160 } catch (Exception e) {
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161 Log.e(LOG, "Unable to load dictionary.", e);
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162 if (dictRaf != null) {
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165 } catch (IOException e1) {
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166 Log.e(LOG, "Unable to close dictRaf.", e1);
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170 Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()), Toast.LENGTH_LONG);
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171 startActivity(DictionaryEditActivity.getIntent(dictIndex));
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176 indexIndex = prefs.getInt(C.INDEX_INDEX, 0) % dictionary.indices.size();
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177 Log.d(LOG, "Loading index.");
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178 index = dictionary.indices.get(indexIndex);
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179 setListAdapter(new IndexAdapter(index));
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181 // Pre-load the collators.
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182 searchExecutor.execute(new Runnable() {
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183 public void run() {
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184 final long startMillis = System.currentTimeMillis();
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186 TransliteratorManager.init(new TransliteratorManager.Callback() {
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188 public void onTransliteratorReady() {
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189 uiHandler.post(new Runnable() {
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191 public void run() {
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192 onSearchTextChange(searchText.getText().toString());
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198 for (final Index index : dictionary.indices) {
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199 Log.d(LOG, "Starting collator load for lang=" + index.sortLanguage.getSymbol());
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201 final com.ibm.icu.text.Collator c = index.sortLanguage.getCollator();
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202 if (c.compare("pre-print", "preppy") >= 0) {
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203 Log.e(LOG, c.getClass()
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204 + " is buggy, lookups may not work properly.");
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207 Log.d(LOG, "Loading collators took:"
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208 + (System.currentTimeMillis() - startMillis));
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212 final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "12");
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214 fontSizeSp = Integer.parseInt(fontSize);
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215 } catch (NumberFormatException e) {
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219 setContentView(R.layout.dictionary_activity);
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220 searchText = (EditText) findViewById(R.id.SearchText);
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221 searchText.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
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223 langButton = (Button) findViewById(R.id.LangButton);
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224 langButton.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
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226 searchText.requestFocus();
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227 searchText.addTextChangedListener(searchTextWatcher);
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228 final String search = prefs.getString(C.SEARCH_TOKEN, "");
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229 searchText.setText(search);
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230 searchText.setSelection(0, search.length());
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231 Log.d(LOG, "Trying to restore searchText=" + search);
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233 final Button clearSearchTextButton = (Button) findViewById(R.id.ClearSearchTextButton);
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234 clearSearchTextButton.setOnClickListener(new OnClickListener() {
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235 public void onClick(View v) {
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236 onClearSearchTextButton(clearSearchTextButton);
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239 clearSearchTextButton.setVisibility(PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
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240 getString(R.string.showClearSearchTextButtonKey), true) ? View.VISIBLE
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243 final Button langButton = (Button) findViewById(R.id.LangButton);
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244 langButton.setOnClickListener(new OnClickListener() {
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245 public void onClick(View v) {
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246 onLanguageButton();
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249 updateLangButton();
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251 final Button upButton = (Button) findViewById(R.id.UpButton);
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252 upButton.setOnClickListener(new OnClickListener() {
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253 public void onClick(View v) {
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254 onUpDownButton(true);
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257 final Button downButton = (Button) findViewById(R.id.DownButton);
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258 downButton.setOnClickListener(new OnClickListener() {
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259 public void onClick(View v) {
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260 onUpDownButton(false);
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264 getListView().setOnItemSelectedListener(new ListView.OnItemSelectedListener() {
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266 public void onItemSelected(AdapterView<?> adapterView, View arg1, final int position,
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268 if (!searchText.isFocused()) {
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269 // TODO: don't do this if multi words are entered.
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270 final RowBase row = (RowBase) getListAdapter().getItem(position);
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271 Log.d(LOG, "onItemSelected: " + row.index());
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272 final TokenRow tokenRow = row.getTokenRow(true);
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273 searchText.setText(tokenRow.getToken());
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278 public void onNothingSelected(AdapterView<?> arg0) {
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283 registerForContextMenu(getListView());
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286 wordList = new File(prefs.getString(getString(R.string.wordListFileKey),
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287 getString(R.string.wordListFileDefault)));
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288 saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey), false);
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289 clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey), false);
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290 //if (prefs.getBoolean(getString(R.string.vibrateOnFailedSearchKey), true)) {
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291 // vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
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293 Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
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297 protected void onResume() {
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302 protected void onPause() {
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307 protected void onDestroy() {
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309 if (dictRaf == null) {
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312 setDictionaryPrefs(this, dictIndex, indexIndex, searchText.getText().toString());
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314 // Before we close the RAF, we have to wind the current search down.
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315 if (currentSearchOperation != null) {
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316 Log.d(LOG, "Interrupting search to shut down.");
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317 final SearchOperation searchOperation = currentSearchOperation;
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318 currentSearchOperation = null;
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319 searchOperation.interrupted.set(true);
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320 synchronized (searchOperation) {
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321 while (!searchOperation.done) {
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323 searchOperation.wait();
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324 } catch (InterruptedException e) {
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325 Log.d(LOG, "Interrupted.", e);
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332 Log.d(LOG, "Closing RAF.");
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334 } catch (IOException e) {
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335 Log.e(LOG, "Failed to close dictionary", e);
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340 // --------------------------------------------------------------------------
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342 // --------------------------------------------------------------------------
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344 private void onClearSearchTextButton(final Button clearSearchTextButton) {
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345 clearSearchTextButton.requestFocus();
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346 searchText.setText("");
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347 searchText.requestFocus();
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348 Log.d(LOG, "Trying to show soft keyboard.");
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349 final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
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350 manager.showSoftInput(searchText, InputMethodManager.SHOW_FORCED);
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353 void updateLangButton() {
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354 langButton.setText(index.shortName.toUpperCase());
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357 void onLanguageButton() {
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358 if (currentSearchOperation != null) {
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359 currentSearchOperation.interrupted.set(true);
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360 currentSearchOperation = null;
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363 indexIndex = (indexIndex + 1) % dictionary.indices.size();
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364 index = dictionary.indices.get(indexIndex);
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365 indexAdapter = new IndexAdapter(index);
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366 Log.d(LOG, "onLanguageButton, newLang=" + index.longName);
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367 setListAdapter(indexAdapter);
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368 updateLangButton();
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369 onSearchTextChange(searchText.getText().toString());
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372 void onUpDownButton(final boolean up) {
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373 final int firstVisibleRow = getListView().getFirstVisiblePosition();
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374 final RowBase row = index.rows.get(firstVisibleRow);
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375 final TokenRow tokenRow = row.getTokenRow(true);
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376 final int destIndexEntry;
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378 if (row != tokenRow) {
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379 destIndexEntry = tokenRow.referenceIndex;
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381 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
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385 destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size());
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387 final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
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388 Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
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389 searchText.removeTextChangedListener(searchTextWatcher);
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390 searchText.setText(dest.token);
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391 jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
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392 searchText.addTextChangedListener(searchTextWatcher);
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395 // --------------------------------------------------------------------------
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397 // --------------------------------------------------------------------------
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400 public boolean onCreateOptionsMenu(final Menu menu) {
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403 final MenuItem preferences = menu.add(getString(R.string.preferences));
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404 preferences.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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405 public boolean onMenuItemClick(final MenuItem menuItem) {
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406 startActivity(new Intent(DictionaryActivity.this,
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407 PreferenceActivity.class));
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414 final MenuItem dictionaryList = menu.add(getString(R.string.dictionaryList));
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415 dictionaryList.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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416 public boolean onMenuItemClick(final MenuItem menuItem) {
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417 startActivity(DictionaryListActivity.getIntent(DictionaryActivity.this));
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425 final MenuItem dictionaryEdit = menu.add(getString(R.string.editDictionary));
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426 dictionaryEdit.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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427 public boolean onMenuItemClick(final MenuItem menuItem) {
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428 final Intent intent = DictionaryEditActivity.getIntent(dictIndex);
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429 startActivity(intent);
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436 final MenuItem about = menu.add(getString(R.string.about));
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437 about.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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438 public boolean onMenuItemClick(final MenuItem menuItem) {
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439 final Intent intent = new Intent().setClassName(AboutActivity.class
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440 .getPackage().getName(), AboutActivity.class.getCanonicalName());
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441 startActivity(intent);
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451 // --------------------------------------------------------------------------
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452 // Context Menu + clicks
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453 // --------------------------------------------------------------------------
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456 public void onCreateContextMenu(ContextMenu menu, View v,
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457 ContextMenuInfo menuInfo) {
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458 AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
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459 final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
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461 final MenuItem addToWordlist = menu.add(getString(R.string.addToWordList, wordList.getName()));
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462 addToWordlist.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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463 public boolean onMenuItemClick(MenuItem item) {
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464 onAppendToWordList(row);
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469 final MenuItem copy = menu.add(android.R.string.copy);
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470 copy.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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471 public boolean onMenuItemClick(MenuItem item) {
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480 protected void onListItemClick(ListView l, View v, int row, long id) {
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481 if (clickOpensContextMenu) {
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482 openContextMenu(v);
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486 void onAppendToWordList(final RowBase row) {
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487 final StringBuilder rawText = new StringBuilder();
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489 new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date()))
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491 rawText.append(index.longName).append("\t");
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492 rawText.append(row.getTokenRow(true).getToken()).append("\t");
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493 rawText.append(row.getRawText(saveOnlyFirstSubentry));
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494 Log.d(LOG, "Writing : " + rawText);
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496 // Request focus so that if we start typing again, it clears the text input.
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497 getListView().requestFocus();
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500 wordList.getParentFile().mkdirs();
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501 final PrintWriter out = new PrintWriter(
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502 new FileWriter(wordList, true));
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503 out.println(rawText.toString());
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505 } catch (IOException e) {
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506 Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
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507 Toast.makeText(this, getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()), Toast.LENGTH_LONG);
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512 void onCopy(final RowBase row) {
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513 // Request focus so that if we start typing again, it clears the text input.
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514 getListView().requestFocus();
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516 Log.d(LOG, "Copy, row=" + row);
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517 final StringBuilder result = new StringBuilder();
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518 result.append(row.getRawText(false));
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519 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
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520 clipboardManager.setText(result.toString());
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521 Log.d(LOG, "Copied: " + result);
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525 public boolean onKeyDown(final int keyCode, final KeyEvent event) {
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526 if (event.getUnicodeChar() != 0) {
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527 if (!searchText.hasFocus()) {
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528 searchText.setText("" + (char) event.getUnicodeChar());
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529 onSearchTextChange(searchText.getText().toString());
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530 searchText.requestFocus();
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534 if (keyCode == KeyEvent.KEYCODE_BACK) {
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535 Log.d(LOG, "Clearing dictionary prefs.");
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536 DictionaryActivity.clearDictionaryPrefs(this);
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538 if (keyCode == KeyEvent.KEYCODE_ENTER) {
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539 // Log.d(LOG, "Trying to hide soft keyboard.");
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540 // final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
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541 // manager.hideSoftInputFromWindow(searchText, InputMethodManager.SHOW_FORCED);
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544 return super.onKeyDown(keyCode, event);
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548 // --------------------------------------------------------------------------
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550 // --------------------------------------------------------------------------
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552 private void searchFinished(final SearchOperation searchOperation) {
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553 if (searchOperation.interrupted.get()) {
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554 Log.d(LOG, "Search operation was interrupted: " + searchOperation);
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557 if (searchOperation != this.currentSearchOperation) {
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558 Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
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562 final Index.IndexEntry searchResult = searchOperation.searchResult;
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563 Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
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565 currentSearchOperation = null;
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567 uiHandler.postDelayed(new Runnable() {
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569 public void run() {
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570 if (currentSearchOperation == null) {
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571 jumpToRow(searchResult.startRow);
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573 Log.d(LOG, "More coming, waiting for currentSearchOperation.");
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578 // if (!searchResult.success) {
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579 // if (vibrator != null) {
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580 // vibrator.vibrate(VIBRATE_MILLIS);
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582 // searchText.setText(searchResult.longestPrefixString);
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583 // searchText.setSelection(searchResult.longestPrefixString.length());
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589 private final void jumpToRow(final int row) {
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591 getListView().setSelected(true);
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594 final class SearchOperation implements Runnable {
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596 final AtomicBoolean interrupted = new AtomicBoolean(false);
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597 final String searchText;
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600 long searchStartMillis;
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602 Index.IndexEntry searchResult;
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604 boolean done = false;
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606 SearchOperation(final String searchText, final Index index) {
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607 this.searchText = searchText.trim();
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608 this.index = index;
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611 public String toString() {
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612 return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
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616 public void run() {
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618 searchStartMillis = System.currentTimeMillis();
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619 searchResult = index.findInsertionPoint(searchText, interrupted);
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620 Log.d(LOG, "searchText=" + searchText + ", searchDuration="
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621 + (System.currentTimeMillis() - searchStartMillis) + ", interrupted="
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622 + interrupted.get());
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623 if (!interrupted.get()) {
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624 uiHandler.post(new Runnable() {
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626 public void run() {
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627 searchFinished(SearchOperation.this);
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632 synchronized (this) {
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641 // --------------------------------------------------------------------------
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643 // --------------------------------------------------------------------------
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645 final class IndexAdapter extends BaseAdapter {
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649 IndexAdapter(final Index index) {
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650 this.index = index;
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654 public int getCount() {
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655 return index.rows.size();
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659 public RowBase getItem(int position) {
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660 return index.rows.get(position);
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664 public long getItemId(int position) {
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665 return getItem(position).index();
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669 public View getView(int position, View convertView, ViewGroup parent) {
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670 final RowBase row = index.rows.get(position);
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671 if (row instanceof PairEntry.Row) {
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672 return getView((PairEntry.Row) row, parent);
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673 } else if (row instanceof TokenRow) {
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674 return getView((TokenRow) row, parent);
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676 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
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680 private View getView(PairEntry.Row row, ViewGroup parent) {
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681 final TableLayout result = new TableLayout(parent.getContext());
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682 final PairEntry entry = row.getEntry();
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683 final int rowCount = entry.pairs.size();
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684 for (int r = 0; r < rowCount; ++r) {
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685 final TableRow tableRow = new TableRow(result.getContext());
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687 TextView column1 = new TextView(tableRow.getContext());
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688 TextView column2 = new TextView(tableRow.getContext());
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689 final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
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690 layoutParams.weight = 0.5f;
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693 final TextView spacer = new TextView(tableRow.getContext());
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694 spacer.setText(" • ");
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695 tableRow.addView(spacer);
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697 tableRow.addView(column1, layoutParams);
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699 final TextView spacer = new TextView(tableRow.getContext());
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700 spacer.setText(" • ");
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701 tableRow.addView(spacer);
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703 tableRow.addView(column2, layoutParams);
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705 column1.setWidth(1);
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706 column2.setWidth(1);
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708 // TODO: color words by gender
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709 final Pair pair = entry.pairs.get(r);
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710 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
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711 column1.setText(col1Text, TextView.BufferType.SPANNABLE);
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712 final Spannable col1Spannable = (Spannable) column1.getText();
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715 final String token = row.getTokenRow(true).getToken();
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716 while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
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717 col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos,
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718 startPos + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
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719 startPos += token.length();
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722 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
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723 column2.setText(col2Text, TextView.BufferType.NORMAL);
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725 column1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
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726 column2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
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728 result.addView(tableRow);
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734 private View getView(TokenRow row, ViewGroup parent) {
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735 final TextView textView = new TextView(parent.getContext());
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736 textView.setText(row.getToken());
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737 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 6 * fontSizeSp / 5);
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743 // --------------------------------------------------------------------------
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745 // --------------------------------------------------------------------------
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747 void onSearchTextChange(final String text) {
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748 if (dictRaf == null) {
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749 Log.d(LOG, "searchText changed during shutdown, doing nothing.");
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752 if (!searchText.isFocused()) {
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753 Log.d(LOG, "searchText changed without focus, doing nothing.");
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756 Log.d(LOG, "onSearchTextChange: " + text);
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757 if (currentSearchOperation != null) {
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758 Log.d(LOG, "Interrupting currentSearchOperation.");
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759 currentSearchOperation.interrupted.set(true);
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761 currentSearchOperation = new SearchOperation(text, index);
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762 searchExecutor.execute(currentSearchOperation);
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765 private class SearchTextWatcher implements TextWatcher {
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766 public void afterTextChanged(final Editable searchTextEditable) {
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767 if (searchText.hasFocus()) {
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768 Log.d(LOG, "Search text changed with focus: " + searchText.getText());
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769 // If they were typing to cause the change, update the UI.
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770 onSearchTextChange(searchText.getText().toString());
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774 public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,
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778 public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
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