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.Arrays;
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24 import java.util.Collections;
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25 import java.util.Date;
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26 import java.util.LinkedHashSet;
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27 import java.util.List;
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28 import java.util.Set;
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29 import java.util.concurrent.Executor;
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30 import java.util.concurrent.Executors;
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31 import java.util.concurrent.ThreadFactory;
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32 import java.util.concurrent.atomic.AtomicBoolean;
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33 import java.util.regex.Matcher;
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34 import java.util.regex.Pattern;
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36 import android.app.Dialog;
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37 import android.app.ListActivity;
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38 import android.content.Context;
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39 import android.content.Intent;
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40 import android.content.SharedPreferences;
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41 import android.graphics.Typeface;
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42 import android.net.Uri;
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43 import android.os.Bundle;
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44 import android.os.Handler;
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45 import android.preference.PreferenceManager;
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46 import android.text.ClipboardManager;
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47 import android.text.Editable;
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48 import android.text.Selection;
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49 import android.text.Spannable;
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50 import android.text.TextWatcher;
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51 import android.text.method.LinkMovementMethod;
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52 import android.text.style.StyleSpan;
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53 import android.util.Log;
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54 import android.util.TypedValue;
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55 import android.view.ContextMenu;
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56 import android.view.ContextMenu.ContextMenuInfo;
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57 import android.view.KeyEvent;
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58 import android.view.Menu;
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59 import android.view.MenuItem;
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60 import android.view.MenuItem.OnMenuItemClickListener;
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61 import android.view.MotionEvent;
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62 import android.view.View;
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63 import android.view.View.OnClickListener;
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64 import android.view.View.OnLongClickListener;
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65 import android.view.ViewGroup;
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66 import android.view.WindowManager;
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67 import android.view.inputmethod.InputMethodManager;
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68 import android.widget.AdapterView;
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69 import android.widget.AdapterView.AdapterContextMenuInfo;
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70 import android.widget.BaseAdapter;
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71 import android.widget.Button;
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72 import android.widget.EditText;
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73 import android.widget.ImageView;
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74 import android.widget.LinearLayout;
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75 import android.widget.ListAdapter;
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76 import android.widget.ListView;
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77 import android.widget.TableLayout;
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78 import android.widget.TableRow;
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79 import android.widget.TextView;
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80 import android.widget.Toast;
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82 import com.hughes.android.dictionary.DictionaryInfo.IndexInfo;
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83 import com.hughes.android.dictionary.engine.Dictionary;
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84 import com.hughes.android.dictionary.engine.EntrySource;
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85 import com.hughes.android.dictionary.engine.Index;
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86 import com.hughes.android.dictionary.engine.Index.IndexEntry;
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87 import com.hughes.android.dictionary.engine.PairEntry;
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88 import com.hughes.android.dictionary.engine.PairEntry.Pair;
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89 import com.hughes.android.dictionary.engine.RowBase;
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90 import com.hughes.android.dictionary.engine.TokenRow;
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91 import com.hughes.android.dictionary.engine.TransliteratorManager;
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92 import com.hughes.android.util.IntentLauncher;
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93 import com.hughes.android.util.NonLinkClickableSpan;
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95 public class DictionaryActivity extends ListActivity {
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97 static final String LOG = "QuickDic";
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99 private String initialSearchText;
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101 DictionaryApplication application;
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102 File dictFile = null;
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103 RandomAccessFile dictRaf = null;
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104 Dictionary dictionary = null;
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105 int indexIndex = 0;
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106 Index index = null;
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107 List<RowBase> rowsToShow = null; // if not null, just show these rows.
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109 // package for test.
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110 final Handler uiHandler = new Handler();
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111 private final Executor searchExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
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113 public Thread newThread(Runnable r) {
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114 return new Thread(r, "searchExecutor");
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117 private SearchOperation currentSearchOperation = null;
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119 C.Theme theme = C.Theme.LIGHT;
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121 EditText searchText;
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125 private File wordList = null;
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126 private boolean saveOnlyFirstSubentry = false;
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127 private boolean clickOpensContextMenu = false;
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129 // Visible for testing.
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130 ListAdapter indexAdapter = null;
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132 final SearchTextWatcher searchTextWatcher = new SearchTextWatcher();
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135 * For some languages, loading the transliterators used in this search takes
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136 * a long time, so we fire it up on a different thread, and don't invoke it
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137 * from the main thread until it's already finished once.
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139 private volatile boolean indexPrepFinished = false;
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143 public DictionaryActivity() {
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146 public static Intent getLaunchIntent(final File dictFile, final int indexIndex, final String searchToken) {
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147 final Intent intent = new Intent();
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148 intent.setClassName(DictionaryActivity.class.getPackage().getName(), DictionaryActivity.class.getName());
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149 intent.putExtra(C.DICT_FILE, dictFile.getPath());
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150 intent.putExtra(C.INDEX_INDEX, indexIndex);
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151 intent.putExtra(C.SEARCH_TOKEN, searchToken);
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156 protected void onSaveInstanceState(final Bundle outState) {
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157 super.onSaveInstanceState(outState);
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158 Log.d(LOG, "onSaveInstanceState: " + searchText.getText().toString());
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159 outState.putInt(C.INDEX_INDEX, indexIndex);
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160 outState.putString(C.SEARCH_TOKEN, searchText.getText().toString());
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164 protected void onRestoreInstanceState(final Bundle outState) {
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165 super.onRestoreInstanceState(outState);
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166 Log.d(LOG, "onRestoreInstanceState: " + outState.getString(C.SEARCH_TOKEN));
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167 onCreate(outState);
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171 public void onCreate(Bundle savedInstanceState) {
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172 setTheme(((DictionaryApplication)getApplication()).getSelectedTheme().themeId);
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174 Log.d(LOG, "onCreate:" + this);
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175 super.onCreate(savedInstanceState);
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177 application = (DictionaryApplication) getApplication();
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178 theme = application.getSelectedTheme();
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180 // Clear them so that if something goes wrong, we won't relaunch.
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181 clearDictionaryPrefs(this);
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183 final Intent intent = getIntent();
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184 dictFile = new File(intent.getStringExtra(C.DICT_FILE));
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187 final String name = application.getDictionaryName(dictFile.getName());
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188 this.setTitle("QuickDic: " + name);
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189 dictRaf = new RandomAccessFile(dictFile, "r");
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190 dictionary = new Dictionary(dictRaf);
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191 } catch (Exception e) {
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192 Log.e(LOG, "Unable to load dictionary.", e);
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193 if (dictRaf != null) {
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196 } catch (IOException e1) {
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197 Log.e(LOG, "Unable to close dictRaf.", e1);
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201 Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()), Toast.LENGTH_LONG).show();
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202 startActivity(DictionaryManagerActivity.getLaunchIntent());
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206 indexIndex = intent.getIntExtra(C.INDEX_INDEX, 0);
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207 if (savedInstanceState != null) {
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208 indexIndex = savedInstanceState.getInt(C.INDEX_INDEX, indexIndex);
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210 indexIndex %= dictionary.indices.size();
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211 Log.d(LOG, "Loading index " + indexIndex);
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212 index = dictionary.indices.get(indexIndex);
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213 setListAdapter(new IndexAdapter(index));
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215 // Pre-load the collators.
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216 new Thread(new Runnable() {
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217 public void run() {
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218 final long startMillis = System.currentTimeMillis();
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220 TransliteratorManager.init(new TransliteratorManager.Callback() {
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222 public void onTransliteratorReady() {
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223 uiHandler.post(new Runnable() {
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225 public void run() {
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226 onSearchTextChange(searchText.getText().toString());
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232 for (final Index index : dictionary.indices) {
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233 final String searchToken = index.sortedIndexEntries.get(0).token;
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234 final IndexEntry entry = index.findExact(searchToken);
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235 if (!searchToken.equals(entry.token)) {
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236 Log.e(LOG, "Couldn't find token: " + searchToken + ", " + entry.token);
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239 indexPrepFinished = true;
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240 } catch (Exception e) {
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241 Log.w(LOG, "Exception while prepping. This can happen if dictionary is closed while search is happening.");
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243 Log.d(LOG, "Prepping indices took:"
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244 + (System.currentTimeMillis() - startMillis));
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248 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
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250 final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "14");
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252 fontSizeSp = Integer.parseInt(fontSize.trim());
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253 } catch (NumberFormatException e) {
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257 setContentView(R.layout.dictionary_activity);
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258 searchText = (EditText) findViewById(R.id.SearchText);
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259 searchText.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
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261 langButton = (Button) findViewById(R.id.LangButton);
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263 searchText.requestFocus();
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264 searchText.addTextChangedListener(searchTextWatcher);
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266 if (savedInstanceState != null) {
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267 text = savedInstanceState.getString(C.SEARCH_TOKEN);
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268 if (text == null) {
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272 setSearchText(text, true);
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273 Log.d(LOG, "Trying to restore searchText=" + text);
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275 final Button clearSearchTextButton = (Button) findViewById(R.id.ClearSearchTextButton);
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276 clearSearchTextButton.setOnClickListener(new OnClickListener() {
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277 public void onClick(View v) {
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278 onClearSearchTextButton(clearSearchTextButton);
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281 clearSearchTextButton.setVisibility(PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
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282 getString(R.string.showClearSearchTextButtonKey), true) ? View.VISIBLE
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285 final Button langButton = (Button) findViewById(R.id.LangButton);
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286 langButton.setOnClickListener(new OnClickListener() {
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287 public void onClick(View v) {
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288 onLanguageButton();
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291 langButton.setOnLongClickListener(new OnLongClickListener() {
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293 public boolean onLongClick(View v) {
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294 onLanguageButtonLongClick(v.getContext());
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298 updateLangButton();
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300 final Button upButton = (Button) findViewById(R.id.UpButton);
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301 upButton.setOnClickListener(new OnClickListener() {
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302 public void onClick(View v) {
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303 onUpDownButton(true);
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306 final Button downButton = (Button) findViewById(R.id.DownButton);
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307 downButton.setOnClickListener(new OnClickListener() {
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308 public void onClick(View v) {
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309 onUpDownButton(false);
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313 getListView().setOnItemSelectedListener(new ListView.OnItemSelectedListener() {
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315 public void onItemSelected(AdapterView<?> adapterView, View arg1, final int position,
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317 if (!searchText.isFocused()) {
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318 if (!isFiltered()) {
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319 final RowBase row = (RowBase) getListAdapter().getItem(position);
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320 Log.d(LOG, "onItemSelected: " + row.index());
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321 final TokenRow tokenRow = row.getTokenRow(true);
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322 searchText.setText(tokenRow.getToken());
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328 public void onNothingSelected(AdapterView<?> arg0) {
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333 registerForContextMenu(getListView());
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336 wordList = new File(prefs.getString(getString(R.string.wordListFileKey),
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337 getString(R.string.wordListFileDefault)));
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338 saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey), false);
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339 clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey), false);
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340 //if (prefs.getBoolean(getString(R.string.vibrateOnFailedSearchKey), true)) {
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341 // vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
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343 Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
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345 setDictionaryPrefs(this, dictFile, indexIndex, searchText.getText().toString());
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349 protected void onResume() {
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351 if (PreferenceActivity.prefsMightHaveChanged) {
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352 PreferenceActivity.prefsMightHaveChanged = false;
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354 startActivity(getIntent());
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356 if (initialSearchText != null) {
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357 setSearchText(initialSearchText, true);
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362 protected void onPause() {
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366 private static void setDictionaryPrefs(final Context context,
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367 final File dictFile, final int indexIndex, final String searchToken) {
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368 final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(context).edit();
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369 prefs.putString(C.DICT_FILE, dictFile.getPath());
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370 prefs.putInt(C.INDEX_INDEX, indexIndex);
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371 prefs.putString(C.SEARCH_TOKEN, searchToken);
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375 private static void clearDictionaryPrefs(final Context context) {
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376 final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(context).edit();
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377 prefs.remove(C.DICT_FILE);
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378 prefs.remove(C.INDEX_INDEX);
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379 prefs.remove(C.SEARCH_TOKEN);
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385 protected void onDestroy() {
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387 if (dictRaf == null) {
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391 final SearchOperation searchOperation = currentSearchOperation;
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392 currentSearchOperation = null;
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394 // Before we close the RAF, we have to wind the current search down.
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395 if (searchOperation != null) {
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396 Log.d(LOG, "Interrupting search to shut down.");
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397 currentSearchOperation = null;
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398 searchOperation.interrupted.set(true);
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402 Log.d(LOG, "Closing RAF.");
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404 } catch (IOException e) {
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405 Log.e(LOG, "Failed to close dictionary", e);
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410 // --------------------------------------------------------------------------
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412 // --------------------------------------------------------------------------
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414 private void onClearSearchTextButton(final Button clearSearchTextButton) {
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415 setSearchText("", true);
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416 Log.d(LOG, "Trying to show soft keyboard.");
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417 final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
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418 manager.showSoftInput(searchText, InputMethodManager.SHOW_IMPLICIT);
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421 void updateLangButton() {
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422 // final LanguageResources languageResources = Language.isoCodeToResources.get(index.shortName);
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423 // if (languageResources != null && languageResources.flagId != 0) {
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424 // langButton.setCompoundDrawablesWithIntrinsicBounds(0, 0, languageResources.flagId, 0);
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426 // langButton.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
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427 langButton.setText(index.shortName);
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431 void onLanguageButton() {
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432 if (currentSearchOperation != null) {
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433 currentSearchOperation.interrupted.set(true);
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434 currentSearchOperation = null;
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436 changeIndexGetFocusAndResearch((indexIndex + 1)% dictionary.indices.size());
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439 void onLanguageButtonLongClick(final Context context) {
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440 final Dialog dialog = new Dialog(context);
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441 dialog.setContentView(R.layout.select_dictionary_dialog);
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442 dialog.setTitle(R.string.selectDictionary);
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444 final List<DictionaryInfo> installedDicts = ((DictionaryApplication)getApplication()).getUsableDicts();
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445 ListView listView = (ListView) dialog.findViewById(android.R.id.list);
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446 listView.setAdapter(new BaseAdapter() {
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448 public View getView(int position, View convertView, ViewGroup parent) {
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449 final LinearLayout result = new LinearLayout(parent.getContext());
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450 final DictionaryInfo dictionaryInfo = getItem(position);
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451 final Button button = new Button(parent.getContext());
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452 final String name = application.getDictionaryName(dictionaryInfo.uncompressedFilename);
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453 button.setText(name);
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454 final IntentLauncher intentLauncher = new IntentLauncher(parent.getContext(), getLaunchIntent(application.getPath(dictionaryInfo.uncompressedFilename), 0, "")) {
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456 protected void onGo() {
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458 DictionaryActivity.this.finish();
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461 button.setOnClickListener(intentLauncher);
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463 final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
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464 layoutParams.width = 0;
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465 layoutParams.weight = 1.0f;
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466 button.setLayoutParams(layoutParams);
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468 result.addView(button);
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473 public long getItemId(int position) {
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478 public DictionaryInfo getItem(int position) {
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479 return installedDicts.get(position);
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483 public int getCount() {
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484 return installedDicts.size();
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492 private void changeIndexGetFocusAndResearch(final int newIndex) {
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493 indexIndex = newIndex;
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494 index = dictionary.indices.get(indexIndex);
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495 indexAdapter = new IndexAdapter(index);
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496 Log.d(LOG, "changingIndex, newLang=" + index.longName);
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497 setListAdapter(indexAdapter);
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498 updateLangButton();
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499 searchText.requestFocus(); // Otherwise, nothing may happen.
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500 onSearchTextChange(searchText.getText().toString());
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501 setDictionaryPrefs(this, dictFile, indexIndex, searchText.getText().toString());
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504 void onUpDownButton(final boolean up) {
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505 if (isFiltered()) {
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508 final int firstVisibleRow = getListView().getFirstVisiblePosition();
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509 final RowBase row = index.rows.get(firstVisibleRow);
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510 final TokenRow tokenRow = row.getTokenRow(true);
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511 final int destIndexEntry;
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513 if (row != tokenRow) {
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514 destIndexEntry = tokenRow.referenceIndex;
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516 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
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520 destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size());
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522 final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
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523 Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
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524 searchText.removeTextChangedListener(searchTextWatcher);
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525 searchText.setText(dest.token);
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526 Selection.moveToRightEdge(searchText.getText(), searchText.getLayout());
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527 jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
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528 searchText.addTextChangedListener(searchTextWatcher);
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531 // --------------------------------------------------------------------------
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533 // --------------------------------------------------------------------------
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536 public boolean onCreateOptionsMenu(final Menu menu) {
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537 application.onCreateGlobalOptionsMenu(this, menu);
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540 final MenuItem dictionaryList = menu.add(getString(R.string.dictionaryManager));
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541 dictionaryList.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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542 public boolean onMenuItemClick(final MenuItem menuItem) {
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543 startActivity(DictionaryManagerActivity.getLaunchIntent());
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551 final MenuItem aboutDictionary = menu.add(getString(R.string.aboutDictionary));
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552 aboutDictionary.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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553 public boolean onMenuItemClick(final MenuItem menuItem) {
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554 final Context context = getListView().getContext();
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555 final Dialog dialog = new Dialog(context);
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556 dialog.setContentView(R.layout.about_dictionary_dialog);
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557 final TextView textView = (TextView) dialog.findViewById(R.id.text);
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559 final String name = application.getDictionaryName(dictFile.getName());
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560 dialog.setTitle(name);
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562 final StringBuilder builder = new StringBuilder();
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563 final DictionaryInfo dictionaryInfo = dictionary.getDictionaryInfo();
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564 dictionaryInfo.uncompressedBytes = dictFile.length();
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565 if (dictionaryInfo != null) {
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566 builder.append(dictionaryInfo.dictInfo).append("\n\n");
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567 builder.append(getString(R.string.dictionaryPath, dictFile.getPath())).append("\n");
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568 builder.append(getString(R.string.dictionarySize, dictionaryInfo.uncompressedBytes)).append("\n");
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569 builder.append(getString(R.string.dictionaryCreationTime, dictionaryInfo.creationMillis)).append("\n");
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570 for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
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571 builder.append("\n");
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572 builder.append(getString(R.string.indexName, indexInfo.shortName)).append("\n");
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573 builder.append(getString(R.string.mainTokenCount, indexInfo.mainTokenCount)).append("\n");
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575 builder.append("\n");
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576 builder.append(getString(R.string.sources)).append("\n");
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577 for (final EntrySource source : dictionary.sources) {
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578 builder.append(getString(R.string.sourceInfo, source.getName(), source.getNumEntries())).append("\n");
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582 // builder.append(getString(R.string.invalidDictionary));
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584 textView.setText(builder.toString());
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587 final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
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588 layoutParams.width = WindowManager.LayoutParams.FILL_PARENT;
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589 layoutParams.height = WindowManager.LayoutParams.FILL_PARENT;
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590 dialog.getWindow().setAttributes(layoutParams);
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600 // --------------------------------------------------------------------------
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601 // Context Menu + clicks
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602 // --------------------------------------------------------------------------
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605 public void onCreateContextMenu(ContextMenu menu, View v,
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606 ContextMenuInfo menuInfo) {
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607 AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
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608 final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
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610 final MenuItem addToWordlist = menu.add(getString(R.string.addToWordList, wordList.getName()));
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611 addToWordlist.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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612 public boolean onMenuItemClick(MenuItem item) {
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613 onAppendToWordList(row);
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618 final MenuItem copy = menu.add(android.R.string.copy);
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619 copy.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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620 public boolean onMenuItemClick(MenuItem item) {
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626 if (selectedSpannableText != null) {
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627 final String selectedText = selectedSpannableText;
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628 final MenuItem searchForSelection = menu.add(getString(R.string.searchForSelection, selectedSpannableText));
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629 searchForSelection.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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630 public boolean onMenuItemClick(MenuItem item) {
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631 int indexToUse = -1;
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632 for (int i = 0; i < dictionary.indices.size(); ++i) {
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633 final Index index = dictionary.indices.get(i);
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634 if (indexPrepFinished) {
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635 System.out.println("Doing index lookup: on " + selectedText);
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636 final IndexEntry indexEntry = index.findExact(selectedText);
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637 if (indexEntry != null) {
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638 final TokenRow tokenRow = index.rows.get(indexEntry.startRow).getTokenRow(false);
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639 if (tokenRow != null && tokenRow.hasMainEntry) {
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645 Log.w(LOG, "Skipping findExact on index " + index.shortName);
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648 if (indexToUse == -1) {
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649 indexToUse = selectedSpannableIndex;
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651 final boolean changeIndex = indexIndex != indexToUse;
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652 setSearchText(selectedText, !changeIndex); // If we're not changing index, we have to triggerSearch.
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654 changeIndexGetFocusAndResearch(indexToUse);
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656 // Give focus back to list view because typing is done.
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657 getListView().requestFocus();
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667 protected void onListItemClick(ListView l, View v, int row, long id) {
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668 defocusSearchText();
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669 if (clickOpensContextMenu && dictRaf != null) {
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670 openContextMenu(v);
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674 void onAppendToWordList(final RowBase row) {
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675 defocusSearchText();
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677 final StringBuilder rawText = new StringBuilder();
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679 new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date()))
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681 rawText.append(index.longName).append("\t");
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682 rawText.append(row.getTokenRow(true).getToken()).append("\t");
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683 rawText.append(row.getRawText(saveOnlyFirstSubentry));
\r
684 Log.d(LOG, "Writing : " + rawText);
\r
687 wordList.getParentFile().mkdirs();
\r
688 final PrintWriter out = new PrintWriter(
\r
689 new FileWriter(wordList, true));
\r
690 out.println(rawText.toString());
\r
692 } catch (IOException e) {
\r
693 Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
\r
694 Toast.makeText(this, getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()), Toast.LENGTH_LONG);
\r
700 * Called when user clicks outside of search text, so that they can start
\r
701 * typing again immediately.
\r
703 void defocusSearchText() {
\r
704 //Log.d(LOG, "defocusSearchText");
\r
705 // Request focus so that if we start typing again, it clears the text input.
\r
706 getListView().requestFocus();
\r
708 // Visual indication that a new keystroke will clear the search text.
\r
709 searchText.selectAll();
\r
712 void onCopy(final RowBase row) {
\r
713 defocusSearchText();
\r
715 Log.d(LOG, "Copy, row=" + row);
\r
716 final StringBuilder result = new StringBuilder();
\r
717 result.append(row.getRawText(false));
\r
718 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
\r
719 clipboardManager.setText(result.toString());
\r
720 Log.d(LOG, "Copied: " + result);
\r
724 public boolean onKeyDown(final int keyCode, final KeyEvent event) {
\r
725 if (event.getUnicodeChar() != 0) {
\r
726 if (!searchText.hasFocus()) {
\r
727 setSearchText("" + (char) event.getUnicodeChar(), true);
\r
731 if (keyCode == KeyEvent.KEYCODE_BACK) {
\r
732 Log.d(LOG, "Clearing dictionary prefs.");
\r
733 DictionaryActivity.clearDictionaryPrefs(this);
\r
735 if (keyCode == KeyEvent.KEYCODE_ENTER) {
\r
736 Log.d(LOG, "Trying to hide soft keyboard.");
\r
737 final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
\r
738 inputManager.hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
\r
741 return super.onKeyDown(keyCode, event);
\r
744 private void setSearchText(final String text, final boolean triggerSearch) {
\r
745 if (!triggerSearch) {
\r
746 getListView().requestFocus();
\r
748 searchText.setText(text);
\r
749 searchText.requestFocus();
\r
750 if (searchText.getLayout() != null) {
\r
751 // Surprising, but this can crash when you rotate...
\r
752 Selection.moveToRightEdge(searchText.getText(), searchText.getLayout());
\r
754 if (triggerSearch) {
\r
755 onSearchTextChange(text);
\r
760 // --------------------------------------------------------------------------
\r
762 // --------------------------------------------------------------------------
\r
764 private void searchFinished(final SearchOperation searchOperation) {
\r
765 if (searchOperation.interrupted.get()) {
\r
766 Log.d(LOG, "Search operation was interrupted: " + searchOperation);
\r
769 if (searchOperation != this.currentSearchOperation) {
\r
770 Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
\r
774 final Index.IndexEntry searchResult = searchOperation.searchResult;
\r
775 Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
\r
777 currentSearchOperation = null;
\r
778 uiHandler.postDelayed(new Runnable() {
\r
780 public void run() {
\r
781 if (currentSearchOperation == null) {
\r
782 if (searchResult != null) {
\r
783 if (isFiltered()) {
\r
786 jumpToRow(searchResult.startRow);
\r
787 } else if (searchOperation.multiWordSearchResult != null) {
\r
788 // Multi-row search....
\r
789 setFiltered(searchOperation);
\r
791 throw new IllegalStateException("This should never happen.");
\r
794 Log.d(LOG, "More coming, waiting for currentSearchOperation.");
\r
801 private final void jumpToRow(final int row) {
\r
803 getListView().setSelected(true);
\r
806 static final Pattern WHITESPACE = Pattern.compile("\\s+");
\r
807 final class SearchOperation implements Runnable {
\r
809 final AtomicBoolean interrupted = new AtomicBoolean(false);
\r
810 final String searchText;
\r
811 List<String> searchTokens; // filled in for multiWord.
\r
814 long searchStartMillis;
\r
816 Index.IndexEntry searchResult;
\r
817 List<RowBase> multiWordSearchResult;
\r
819 boolean done = false;
\r
821 SearchOperation(final String searchText, final Index index) {
\r
822 this.searchText = searchText.trim();
\r
823 this.index = index;
\r
826 public String toString() {
\r
827 return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
\r
831 public void run() {
\r
833 searchStartMillis = System.currentTimeMillis();
\r
834 final String[] searchTokenArray = WHITESPACE.split(searchText);
\r
835 if (searchTokenArray.length == 1) {
\r
836 searchResult = index.findInsertionPoint(searchText, interrupted);
\r
838 searchTokens = Arrays.asList(searchTokenArray);
\r
839 multiWordSearchResult = index.multiWordSearch(searchTokens, interrupted);
\r
841 Log.d(LOG, "searchText=" + searchText + ", searchDuration="
\r
842 + (System.currentTimeMillis() - searchStartMillis) + ", interrupted="
\r
843 + interrupted.get());
\r
844 if (!interrupted.get()) {
\r
845 uiHandler.post(new Runnable() {
\r
847 public void run() {
\r
848 searchFinished(SearchOperation.this);
\r
852 } catch (Exception e) {
\r
853 Log.e(LOG, "Failure during search (can happen during Activity close.");
\r
855 synchronized (this) {
\r
864 // --------------------------------------------------------------------------
\r
866 // --------------------------------------------------------------------------
\r
868 final class IndexAdapter extends BaseAdapter {
\r
871 final List<RowBase> rows;
\r
872 final Set<String> toHighlight;
\r
874 IndexAdapter(final Index index) {
\r
875 this.index = index;
\r
877 this.toHighlight = null;
\r
880 IndexAdapter(final Index index, final List<RowBase> rows, final List<String> toHighlight) {
\r
881 this.index = index;
\r
883 this.toHighlight = new LinkedHashSet<String>(toHighlight);
\r
887 public int getCount() {
\r
888 return rows.size();
\r
892 public RowBase getItem(int position) {
\r
893 return rows.get(position);
\r
897 public long getItemId(int position) {
\r
898 return getItem(position).index();
\r
902 public TableLayout getView(int position, View convertView, ViewGroup parent) {
\r
903 final TableLayout result;
\r
904 if (convertView instanceof TableLayout) {
\r
905 result = (TableLayout) convertView;
\r
906 result.removeAllViews();
\r
908 result = new TableLayout(parent.getContext());
\r
910 final RowBase row = getItem(position);
\r
911 if (row instanceof PairEntry.Row) {
\r
912 return getView(position, (PairEntry.Row) row, parent, result);
\r
913 } else if (row instanceof TokenRow) {
\r
914 return getView((TokenRow) row, parent, result);
\r
916 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
\r
920 private TableLayout getView(final int position, PairEntry.Row row, ViewGroup parent, final TableLayout result) {
\r
921 final PairEntry entry = row.getEntry();
\r
922 final int rowCount = entry.pairs.size();
\r
924 final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
\r
925 layoutParams.weight = 0.5f;
\r
927 for (int r = 0; r < rowCount; ++r) {
\r
928 final TableRow tableRow = new TableRow(result.getContext());
\r
930 final TextView col1 = new TextView(tableRow.getContext());
\r
931 final TextView col2 = new TextView(tableRow.getContext());
\r
933 // Set the columns in the table.
\r
935 final TextView bullet = new TextView(tableRow.getContext());
\r
936 bullet.setText(" • ");
\r
937 tableRow.addView(bullet);
\r
939 tableRow.addView(col1, layoutParams);
\r
940 final TextView margin = new TextView(tableRow.getContext());
\r
941 margin.setText(" ");
\r
942 tableRow.addView(margin);
\r
944 final TextView bullet = new TextView(tableRow.getContext());
\r
945 bullet.setText(" • ");
\r
946 tableRow.addView(bullet);
\r
948 tableRow.addView(col2, layoutParams);
\r
952 // Set what's in the columns.
\r
954 final Pair pair = entry.pairs.get(r);
\r
955 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
\r
956 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
\r
958 col1.setText(col1Text, TextView.BufferType.SPANNABLE);
\r
959 col2.setText(col2Text, TextView.BufferType.SPANNABLE);
\r
961 // Bold the token instances in col1.
\r
962 final Set<String> toBold = toHighlight != null ? this.toHighlight : Collections.singleton(row.getTokenRow(true).getToken());
\r
963 final Spannable col1Spannable = (Spannable) col1.getText();
\r
964 for (final String token : toBold) {
\r
966 while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
\r
967 col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos,
\r
968 startPos + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
\r
969 startPos += token.length();
\r
973 createTokenLinkSpans(col1, col1Spannable, col1Text);
\r
974 createTokenLinkSpans(col2, (Spannable) col2.getText(), col2Text);
\r
976 col1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
\r
977 col2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
\r
978 // col2.setBackgroundResource(theme.otherLangBg);
\r
980 if (index.swapPairEntries) {
\r
981 col2.setOnLongClickListener(textViewLongClickListenerIndex0);
\r
982 col1.setOnLongClickListener(textViewLongClickListenerIndex1);
\r
984 col1.setOnLongClickListener(textViewLongClickListenerIndex0);
\r
985 col2.setOnLongClickListener(textViewLongClickListenerIndex1);
\r
988 result.addView(tableRow);
\r
991 // Because we have a Button inside a ListView row:
\r
992 // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
\r
993 result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
\r
994 result.setClickable(true);
\r
995 result.setFocusable(true);
\r
996 result.setLongClickable(true);
\r
997 result.setBackgroundResource(android.R.drawable.menuitem_background);
\r
998 result.setOnClickListener(new TextView.OnClickListener() {
\r
1000 public void onClick(View v) {
\r
1001 DictionaryActivity.this.onListItemClick(getListView(), v, position, position);
\r
1008 private TableLayout getView(TokenRow row, ViewGroup parent, final TableLayout result) {
\r
1009 final Context context = parent.getContext();
\r
1010 final TextView textView = new TextView(context);
\r
1011 textView.setText(row.getToken());
\r
1013 //textView.setTextColor(android.R.color.secondary_text_light);
\r
1014 textView.setTextAppearance(context, theme.tokenRowFg);
\r
1015 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 5 * fontSizeSp / 4);
\r
1017 final TableRow tableRow = new TableRow(result.getContext());
\r
1018 tableRow.addView(textView);
\r
1019 tableRow.setBackgroundResource(row.hasMainEntry ? theme.tokenRowMainBg : theme.tokenRowOtherBg);
\r
1020 result.addView(tableRow);
\r
1026 static final Pattern CHAR_DASH = Pattern.compile("['\\p{L}0-9]+");
\r
1028 private void createTokenLinkSpans(final TextView textView, final Spannable spannable, final String text) {
\r
1029 // Saw from the source code that LinkMovementMethod sets the selection!
\r
1030 // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.1_r1/android/text/method/LinkMovementMethod.java#LinkMovementMethod
\r
1031 textView.setMovementMethod(LinkMovementMethod.getInstance());
\r
1032 final Matcher matcher = CHAR_DASH.matcher(text);
\r
1033 while (matcher.find()) {
\r
1034 spannable.setSpan(new NonLinkClickableSpan(), matcher.start(), matcher.end(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
\r
1039 String selectedSpannableText = null;
\r
1040 int selectedSpannableIndex = -1;
\r
1043 public boolean onTouchEvent(MotionEvent event) {
\r
1044 selectedSpannableText = null;
\r
1045 selectedSpannableIndex = -1;
\r
1046 return super.onTouchEvent(event);
\r
1049 private class TextViewLongClickListener implements OnLongClickListener {
\r
1052 private TextViewLongClickListener(final int index) {
\r
1053 this.index = index;
\r
1057 public boolean onLongClick(final View v) {
\r
1058 final TextView textView = (TextView) v;
\r
1059 final int start = textView.getSelectionStart();
\r
1060 final int end = textView.getSelectionEnd();
\r
1061 if (start >= 0 && end >= 0) {
\r
1062 selectedSpannableText = textView.getText().subSequence(start, end).toString();
\r
1063 selectedSpannableIndex = index;
\r
1068 final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(0);
\r
1069 final TextViewLongClickListener textViewLongClickListenerIndex1 = new TextViewLongClickListener(1);
\r
1072 // --------------------------------------------------------------------------
\r
1074 // --------------------------------------------------------------------------
\r
1076 void onSearchTextChange(final String text) {
\r
1077 if ("thadolina".equals(text)) {
\r
1078 final Dialog dialog = new Dialog(getListView().getContext());
\r
1079 dialog.setContentView(R.layout.thadolina_dialog);
\r
1080 dialog.setTitle("Ti amo, amore mio!");
\r
1081 final ImageView imageView = (ImageView) dialog.findViewById(R.id.thadolina_image);
\r
1082 imageView.setOnClickListener(new OnClickListener() {
\r
1084 public void onClick(View v) {
\r
1085 final Intent intent = new Intent(Intent.ACTION_VIEW);
\r
1086 intent.setData(Uri.parse("https://sites.google.com/site/cfoxroxvday/vday2012"));
\r
1087 startActivity(intent);
\r
1092 if (dictRaf == null) {
\r
1093 Log.d(LOG, "searchText changed during shutdown, doing nothing.");
\r
1096 if (!searchText.isFocused()) {
\r
1097 Log.d(LOG, "searchText changed without focus, doing nothing.");
\r
1100 Log.d(LOG, "onSearchTextChange: " + text);
\r
1101 if (currentSearchOperation != null) {
\r
1102 Log.d(LOG, "Interrupting currentSearchOperation.");
\r
1103 currentSearchOperation.interrupted.set(true);
\r
1105 currentSearchOperation = new SearchOperation(text, index);
\r
1106 searchExecutor.execute(currentSearchOperation);
\r
1109 private class SearchTextWatcher implements TextWatcher {
\r
1110 public void afterTextChanged(final Editable searchTextEditable) {
\r
1111 if (searchText.hasFocus()) {
\r
1112 Log.d(LOG, "Search text changed with focus: " + searchText.getText());
\r
1113 // If they were typing to cause the change, update the UI.
\r
1114 onSearchTextChange(searchText.getText().toString());
\r
1118 public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,
\r
1122 public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
\r
1126 // --------------------------------------------------------------------------
\r
1127 // Filtered results.
\r
1128 // --------------------------------------------------------------------------
\r
1130 boolean isFiltered() {
\r
1131 return rowsToShow != null;
\r
1134 void setFiltered(final SearchOperation searchOperation) {
\r
1135 ((Button) findViewById(R.id.UpButton)).setEnabled(false);
\r
1136 ((Button) findViewById(R.id.DownButton)).setEnabled(false);
\r
1137 rowsToShow = searchOperation.multiWordSearchResult;
\r
1138 setListAdapter(new IndexAdapter(index, rowsToShow, searchOperation.searchTokens));
\r
1141 void clearFiltered() {
\r
1142 ((Button) findViewById(R.id.UpButton)).setEnabled(true);
\r
1143 ((Button) findViewById(R.id.DownButton)).setEnabled(true);
\r
1144 setListAdapter(new IndexAdapter(index));
\r
1145 rowsToShow = null;
\r