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.os.Bundle;
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43 import android.os.Handler;
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44 import android.preference.PreferenceManager;
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45 import android.text.ClipboardManager;
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46 import android.text.Editable;
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47 import android.text.Selection;
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48 import android.text.Spannable;
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49 import android.text.TextWatcher;
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50 import android.text.method.LinkMovementMethod;
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51 import android.text.style.StyleSpan;
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52 import android.util.Log;
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53 import android.util.TypedValue;
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54 import android.view.ContextMenu;
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55 import android.view.ContextMenu.ContextMenuInfo;
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56 import android.view.KeyEvent;
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57 import android.view.Menu;
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58 import android.view.MenuItem;
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59 import android.view.WindowManager;
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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.inputmethod.InputMethodManager;
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67 import android.widget.AdapterView;
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68 import android.widget.AdapterView.AdapterContextMenuInfo;
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69 import android.widget.BaseAdapter;
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70 import android.widget.Button;
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71 import android.widget.EditText;
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72 import android.widget.LinearLayout;
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73 import android.widget.ListAdapter;
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74 import android.widget.ListView;
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75 import android.widget.TableLayout;
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76 import android.widget.TableRow;
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77 import android.widget.TextView;
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78 import android.widget.Toast;
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80 import com.hughes.android.dictionary.DictionaryInfo.IndexInfo;
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81 import com.hughes.android.dictionary.engine.Dictionary;
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82 import com.hughes.android.dictionary.engine.Index;
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83 import com.hughes.android.dictionary.engine.PairEntry;
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84 import com.hughes.android.dictionary.engine.PairEntry.Pair;
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85 import com.hughes.android.dictionary.engine.RowBase;
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86 import com.hughes.android.dictionary.engine.TokenRow;
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87 import com.hughes.android.dictionary.engine.TransliteratorManager;
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88 import com.hughes.android.util.IntentLauncher;
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89 import com.hughes.android.util.NonLinkClickableSpan;
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91 public class DictionaryActivity extends ListActivity {
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93 static final String LOG = "QuickDic";
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95 DictionaryApplication application;
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96 File dictFile = null;
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97 RandomAccessFile dictRaf = null;
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98 Dictionary dictionary = null;
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100 Index index = null;
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101 List<RowBase> rowsToShow = null; // if not null, just show these rows.
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103 // package for test.
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104 final Handler uiHandler = new Handler();
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105 private final Executor searchExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
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107 public Thread newThread(Runnable r) {
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108 return new Thread(r, "searchExecutor");
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111 private SearchOperation currentSearchOperation = null;
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113 C.Theme theme = C.Theme.LIGHT;
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115 EditText searchText;
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119 private File wordList = null;
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120 private boolean saveOnlyFirstSubentry = false;
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121 private boolean clickOpensContextMenu = false;
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123 // Visible for testing.
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124 ListAdapter indexAdapter = null;
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126 final SearchTextWatcher searchTextWatcher = new SearchTextWatcher();
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128 public DictionaryActivity() {
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131 public static Intent getLaunchIntent(final File dictFile, final int indexIndex, final String searchToken) {
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132 final Intent intent = new Intent();
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133 intent.setClassName(DictionaryActivity.class.getPackage().getName(), DictionaryActivity.class.getName());
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134 intent.putExtra(C.DICT_FILE, dictFile.getPath());
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135 intent.putExtra(C.INDEX_INDEX, indexIndex);
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136 intent.putExtra(C.SEARCH_TOKEN, searchToken);
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141 protected void onSaveInstanceState(final Bundle outState) {
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142 super.onSaveInstanceState(outState);
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143 outState.putString(C.SEARCH_TOKEN, searchText.getText().toString());
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147 protected void onRestoreInstanceState(final Bundle outState) {
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148 super.onRestoreInstanceState(outState);
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149 setSearchText(outState.getString(C.SEARCH_TOKEN));
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153 public void onCreate(Bundle savedInstanceState) {
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154 Log.d(LOG, "onCreate:" + this);
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155 super.onCreate(savedInstanceState);
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157 application = (DictionaryApplication) getApplication();
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158 theme = application.getSelectedTheme();
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160 // Clear them so that if something goes wrong, we won't relaunch.
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161 clearDictionaryPrefs(this);
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163 final Intent intent = getIntent();
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164 dictFile = new File(intent.getStringExtra(C.DICT_FILE));
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167 final String name = application.getDictionaryName(dictFile.getName());
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168 this.setTitle("QuickDic: " + name);
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169 dictRaf = new RandomAccessFile(dictFile, "r");
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170 dictionary = new Dictionary(dictRaf);
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171 } catch (Exception e) {
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172 Log.e(LOG, "Unable to load dictionary.", e);
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173 if (dictRaf != null) {
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176 } catch (IOException e1) {
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177 Log.e(LOG, "Unable to close dictRaf.", e1);
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181 Toast.makeText(this, getString(R.string.invalidDictionary, "", e.getMessage()), Toast.LENGTH_LONG);
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182 startActivity(DictionaryManagerActivity.getLaunchIntent());
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187 indexIndex = intent.getIntExtra(C.INDEX_INDEX, 0) % dictionary.indices.size();
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188 Log.d(LOG, "Loading index " + indexIndex);
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189 index = dictionary.indices.get(indexIndex);
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190 setListAdapter(new IndexAdapter(index));
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192 // Pre-load the collators.
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193 searchExecutor.execute(new Runnable() {
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194 public void run() {
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195 final long startMillis = System.currentTimeMillis();
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197 TransliteratorManager.init(new TransliteratorManager.Callback() {
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199 public void onTransliteratorReady() {
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200 uiHandler.post(new Runnable() {
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202 public void run() {
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203 onSearchTextChange(searchText.getText().toString());
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209 for (final Index index : dictionary.indices) {
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210 Log.d(LOG, "Starting collator load for lang=" + index.sortLanguage.getIsoCode());
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212 final com.ibm.icu.text.Collator c = index.sortLanguage.getCollator();
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213 if (c.compare("pre-print", "preppy") >= 0) {
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214 Log.e(LOG, c.getClass()
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215 + " is buggy, lookups may not work properly.");
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218 Log.d(LOG, "Loading collators took:"
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219 + (System.currentTimeMillis() - startMillis));
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223 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
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225 final String fontSize = prefs.getString(getString(R.string.fontSizeKey), "14");
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227 fontSizeSp = Integer.parseInt(fontSize.trim());
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228 } catch (NumberFormatException e) {
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232 setContentView(R.layout.dictionary_activity);
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233 searchText = (EditText) findViewById(R.id.SearchText);
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234 searchText.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
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236 langButton = (Button) findViewById(R.id.LangButton);
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238 searchText.requestFocus();
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239 searchText.addTextChangedListener(searchTextWatcher);
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240 final String search = prefs.getString(C.SEARCH_TOKEN, "");
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241 searchText.setText(search);
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242 searchText.setSelection(0, search.length());
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243 Log.d(LOG, "Trying to restore searchText=" + search);
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245 final Button clearSearchTextButton = (Button) findViewById(R.id.ClearSearchTextButton);
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246 clearSearchTextButton.setOnClickListener(new OnClickListener() {
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247 public void onClick(View v) {
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248 onClearSearchTextButton(clearSearchTextButton);
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251 clearSearchTextButton.setVisibility(PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
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252 getString(R.string.showClearSearchTextButtonKey), true) ? View.VISIBLE
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255 final Button langButton = (Button) findViewById(R.id.LangButton);
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256 langButton.setOnClickListener(new OnClickListener() {
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257 public void onClick(View v) {
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258 onLanguageButton();
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261 langButton.setOnLongClickListener(new OnLongClickListener() {
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263 public boolean onLongClick(View v) {
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264 onLanguageButtonLongClick(v.getContext());
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268 updateLangButton();
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270 final Button upButton = (Button) findViewById(R.id.UpButton);
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271 upButton.setOnClickListener(new OnClickListener() {
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272 public void onClick(View v) {
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273 onUpDownButton(true);
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276 final Button downButton = (Button) findViewById(R.id.DownButton);
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277 downButton.setOnClickListener(new OnClickListener() {
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278 public void onClick(View v) {
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279 onUpDownButton(false);
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283 getListView().setOnItemSelectedListener(new ListView.OnItemSelectedListener() {
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285 public void onItemSelected(AdapterView<?> adapterView, View arg1, final int position,
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287 if (!searchText.isFocused()) {
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288 if (!isFiltered()) {
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289 final RowBase row = (RowBase) getListAdapter().getItem(position);
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290 Log.d(LOG, "onItemSelected: " + row.index());
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291 final TokenRow tokenRow = row.getTokenRow(true);
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292 searchText.setText(tokenRow.getToken());
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298 public void onNothingSelected(AdapterView<?> arg0) {
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303 registerForContextMenu(getListView());
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306 wordList = new File(prefs.getString(getString(R.string.wordListFileKey),
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307 getString(R.string.wordListFileDefault)));
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308 saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey), false);
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309 clickOpensContextMenu = prefs.getBoolean(getString(R.string.clickOpensContextMenuKey), false);
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310 //if (prefs.getBoolean(getString(R.string.vibrateOnFailedSearchKey), true)) {
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311 // vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
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313 Log.d(LOG, "wordList=" + wordList + ", saveOnlyFirstSubentry=" + saveOnlyFirstSubentry);
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315 setDictionaryPrefs(this, dictFile, indexIndex, searchText.getText().toString());
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319 protected void onResume() {
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321 if (PreferenceActivity.prefsMightHaveChanged) {
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322 PreferenceActivity.prefsMightHaveChanged = false;
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324 startActivity(getIntent());
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329 protected void onPause() {
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333 private static void setDictionaryPrefs(final Context context,
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334 final File dictFile, final int indexIndex, final String searchToken) {
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335 final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(context).edit();
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336 prefs.putString(C.DICT_FILE, dictFile.getPath());
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337 prefs.putInt(C.INDEX_INDEX, indexIndex);
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338 prefs.putString(C.SEARCH_TOKEN, searchToken);
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342 private static void clearDictionaryPrefs(final Context context) {
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343 final SharedPreferences.Editor prefs = PreferenceManager.getDefaultSharedPreferences(context).edit();
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344 prefs.remove(C.DICT_FILE);
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345 prefs.remove(C.INDEX_INDEX);
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346 prefs.remove(C.SEARCH_TOKEN);
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352 protected void onDestroy() {
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354 if (dictRaf == null) {
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358 // Before we close the RAF, we have to wind the current search down.
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359 if (currentSearchOperation != null) {
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360 Log.d(LOG, "Interrupting search to shut down.");
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361 final SearchOperation searchOperation = currentSearchOperation;
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362 currentSearchOperation = null;
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363 searchOperation.interrupted.set(true);
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364 synchronized (searchOperation) {
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365 while (!searchOperation.done) {
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367 searchOperation.wait();
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368 } catch (InterruptedException e) {
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369 Log.d(LOG, "Interrupted.", e);
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376 Log.d(LOG, "Closing RAF.");
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378 } catch (IOException e) {
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379 Log.e(LOG, "Failed to close dictionary", e);
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384 // --------------------------------------------------------------------------
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386 // --------------------------------------------------------------------------
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388 private void onClearSearchTextButton(final Button clearSearchTextButton) {
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389 clearSearchTextButton.requestFocus();
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390 searchText.setText("");
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391 searchText.requestFocus();
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392 Log.d(LOG, "Trying to show soft keyboard.");
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393 final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
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394 manager.showSoftInput(searchText, InputMethodManager.SHOW_IMPLICIT);
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397 void updateLangButton() {
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398 langButton.setText(index.shortName);
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401 void onLanguageButton() {
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402 if (currentSearchOperation != null) {
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403 currentSearchOperation.interrupted.set(true);
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404 currentSearchOperation = null;
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406 changeIndex((indexIndex + 1)% dictionary.indices.size());
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409 void onLanguageButtonLongClick(final Context context) {
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410 final Dialog dialog = new Dialog(context);
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411 dialog.setContentView(R.layout.select_dictionary_dialog);
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412 dialog.setTitle(R.string.selectDictionary);
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414 final List<DictionaryInfo> installedDicts = ((DictionaryApplication)getApplication()).getUsableDicts();
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415 ListView listView = (ListView) dialog.findViewById(android.R.id.list);
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416 listView.setAdapter(new BaseAdapter() {
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418 public View getView(int position, View convertView, ViewGroup parent) {
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419 final LinearLayout result = new LinearLayout(parent.getContext());
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420 final DictionaryInfo dictionaryInfo = getItem(position);
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421 for (int i = 0; i < dictionaryInfo.indexInfos.size(); ++i) {
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422 final IndexInfo indexInfo = dictionaryInfo.indexInfos.get(i);
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423 final Button button = new Button(parent.getContext());
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424 String name = application.getLanguageName(indexInfo.shortName);
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425 if (name == null) {
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426 name = indexInfo.shortName;
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428 button.setText(name);
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429 final IntentLauncher intentLauncher = new IntentLauncher(parent.getContext(), getLaunchIntent(application.getPath(dictionaryInfo.uncompressedFilename), i, "")) {
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431 protected void onGo() {
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433 DictionaryActivity.this.finish();
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436 button.setOnClickListener(intentLauncher);
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438 final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
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439 layoutParams.width = 0;
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440 layoutParams.weight = 1.0f;
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441 button.setLayoutParams(layoutParams);
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443 result.addView(button);
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449 public long getItemId(int position) {
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454 public DictionaryInfo getItem(int position) {
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455 return installedDicts.get(position);
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459 public int getCount() {
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460 return installedDicts.size();
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468 private void changeIndex(final int newIndex) {
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469 indexIndex = newIndex;
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470 index = dictionary.indices.get(indexIndex);
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471 indexAdapter = new IndexAdapter(index);
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472 Log.d(LOG, "changingIndex, newLang=" + index.longName);
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473 setListAdapter(indexAdapter);
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474 updateLangButton();
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475 searchText.requestFocus(); // Otherwise, nothing may happen.
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476 onSearchTextChange(searchText.getText().toString());
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477 setDictionaryPrefs(this, dictFile, indexIndex, searchText.getText().toString());
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480 void onUpDownButton(final boolean up) {
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481 if (isFiltered()) {
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484 final int firstVisibleRow = getListView().getFirstVisiblePosition();
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485 final RowBase row = index.rows.get(firstVisibleRow);
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486 final TokenRow tokenRow = row.getTokenRow(true);
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487 final int destIndexEntry;
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489 if (row != tokenRow) {
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490 destIndexEntry = tokenRow.referenceIndex;
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492 destIndexEntry = Math.max(tokenRow.referenceIndex - 1, 0);
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496 destIndexEntry = Math.min(tokenRow.referenceIndex + 1, index.sortedIndexEntries.size());
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498 final Index.IndexEntry dest = index.sortedIndexEntries.get(destIndexEntry);
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499 Log.d(LOG, "onUpDownButton, destIndexEntry=" + dest.token);
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500 searchText.removeTextChangedListener(searchTextWatcher);
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501 searchText.setText(dest.token);
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502 Selection.moveToRightEdge(searchText.getText(), searchText.getLayout());
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503 jumpToRow(index.sortedIndexEntries.get(destIndexEntry).startRow);
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504 searchText.addTextChangedListener(searchTextWatcher);
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507 // --------------------------------------------------------------------------
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509 // --------------------------------------------------------------------------
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512 public boolean onCreateOptionsMenu(final Menu menu) {
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513 application.onCreateGlobalOptionsMenu(this, menu);
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516 final MenuItem dictionaryList = menu.add(getString(R.string.dictionaryManager));
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517 dictionaryList.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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518 public boolean onMenuItemClick(final MenuItem menuItem) {
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519 startActivity(DictionaryManagerActivity.getLaunchIntent());
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527 final MenuItem aboutDictionary = menu.add(getString(R.string.aboutDictionary));
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528 aboutDictionary.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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529 public boolean onMenuItemClick(final MenuItem menuItem) {
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530 final Context context = getListView().getContext();
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531 final Dialog dialog = new Dialog(context);
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532 dialog.setContentView(R.layout.about_dictionary_dialog);
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533 final TextView textView = (TextView) dialog.findViewById(R.id.text);
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535 final String name = application.getDictionaryName(dictFile.getName());
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536 dialog.setTitle(name);
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538 final StringBuilder builder = new StringBuilder();
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539 final DictionaryInfo dictionaryInfo = Dictionary.getDictionaryInfo(dictFile);
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540 if (dictionaryInfo != null) {
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541 builder.append(dictionaryInfo.dictInfo).append("\n\n");
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542 builder.append(getString(R.string.dictionaryPath, dictFile.getPath())).append("\n");
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543 builder.append(getString(R.string.dictionarySize, dictionaryInfo.uncompressedBytes)).append("\n");
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544 builder.append(getString(R.string.dictionaryCreationTime, dictionaryInfo.creationMillis)).append("\n");
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545 for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
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546 builder.append("\n");
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547 builder.append(getString(R.string.indexName, indexInfo.shortName)).append("\n");
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548 builder.append(getString(R.string.mainTokenCount, indexInfo.mainTokenCount)).append("\n");
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551 builder.append(getString(R.string.invalidDictionary));
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553 textView.setText(builder.toString());
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556 final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
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557 layoutParams.width = WindowManager.LayoutParams.FILL_PARENT;
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558 layoutParams.height = WindowManager.LayoutParams.FILL_PARENT;
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559 dialog.getWindow().setAttributes(layoutParams);
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569 // --------------------------------------------------------------------------
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570 // Context Menu + clicks
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571 // --------------------------------------------------------------------------
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574 public void onCreateContextMenu(ContextMenu menu, View v,
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575 ContextMenuInfo menuInfo) {
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576 AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
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577 final RowBase row = (RowBase) getListAdapter().getItem(adapterContextMenuInfo.position);
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579 final MenuItem addToWordlist = menu.add(getString(R.string.addToWordList, wordList.getName()));
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580 addToWordlist.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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581 public boolean onMenuItemClick(MenuItem item) {
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582 onAppendToWordList(row);
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587 final MenuItem copy = menu.add(android.R.string.copy);
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588 copy.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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589 public boolean onMenuItemClick(MenuItem item) {
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595 if (selectedSpannableText != null) {
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596 final String selectedText = selectedSpannableText;
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597 final MenuItem searchForSelection = menu.add(getString(R.string.searchForSelection, selectedSpannableText));
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598 searchForSelection.setOnMenuItemClickListener(new OnMenuItemClickListener() {
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599 public boolean onMenuItemClick(MenuItem item) {
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600 if (indexIndex != selectedSpannableIndex) {
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601 changeIndex(selectedSpannableIndex);
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603 setSearchText(selectedText);
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613 protected void onListItemClick(ListView l, View v, int row, long id) {
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614 defocusSearchText();
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615 if (clickOpensContextMenu && dictRaf != null) {
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616 openContextMenu(v);
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620 void onAppendToWordList(final RowBase row) {
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621 defocusSearchText();
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623 final StringBuilder rawText = new StringBuilder();
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625 new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date()))
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627 rawText.append(index.longName).append("\t");
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628 rawText.append(row.getTokenRow(true).getToken()).append("\t");
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629 rawText.append(row.getRawText(saveOnlyFirstSubentry));
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630 Log.d(LOG, "Writing : " + rawText);
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633 wordList.getParentFile().mkdirs();
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634 final PrintWriter out = new PrintWriter(
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635 new FileWriter(wordList, true));
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636 out.println(rawText.toString());
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638 } catch (IOException e) {
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639 Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
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640 Toast.makeText(this, getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()), Toast.LENGTH_LONG);
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646 * Called when user clicks outside of search text, so that they can start
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647 * typing again immediately.
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649 void defocusSearchText() {
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650 //Log.d(LOG, "defocusSearchText");
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651 // Request focus so that if we start typing again, it clears the text input.
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652 getListView().requestFocus();
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654 // Visual indication that a new keystroke will clear the search text.
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655 searchText.selectAll();
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658 void onCopy(final RowBase row) {
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659 defocusSearchText();
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661 Log.d(LOG, "Copy, row=" + row);
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662 final StringBuilder result = new StringBuilder();
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663 result.append(row.getRawText(false));
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664 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
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665 clipboardManager.setText(result.toString());
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666 Log.d(LOG, "Copied: " + result);
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670 public boolean onKeyDown(final int keyCode, final KeyEvent event) {
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671 if (event.getUnicodeChar() != 0) {
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672 if (!searchText.hasFocus()) {
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673 setSearchText("" + (char) event.getUnicodeChar());
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677 if (keyCode == KeyEvent.KEYCODE_BACK) {
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678 Log.d(LOG, "Clearing dictionary prefs.");
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679 DictionaryActivity.clearDictionaryPrefs(this);
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681 if (keyCode == KeyEvent.KEYCODE_ENTER) {
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682 Log.d(LOG, "Trying to hide soft keyboard.");
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683 final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
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684 inputManager.hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
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687 return super.onKeyDown(keyCode, event);
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690 private void setSearchText(final String text) {
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691 searchText.setText(text);
\r
692 searchText.requestFocus();
\r
693 onSearchTextChange(searchText.getText().toString());
\r
694 Selection.moveToRightEdge(searchText.getText(), searchText.getLayout());
\r
698 // --------------------------------------------------------------------------
\r
700 // --------------------------------------------------------------------------
\r
702 private void searchFinished(final SearchOperation searchOperation) {
\r
703 if (searchOperation.interrupted.get()) {
\r
704 Log.d(LOG, "Search operation was interrupted: " + searchOperation);
\r
707 if (searchOperation != this.currentSearchOperation) {
\r
708 Log.d(LOG, "Stale searchOperation finished: " + searchOperation);
\r
712 final Index.IndexEntry searchResult = searchOperation.searchResult;
\r
713 Log.d(LOG, "searchFinished: " + searchOperation + ", searchResult=" + searchResult);
\r
715 currentSearchOperation = null;
\r
716 uiHandler.postDelayed(new Runnable() {
\r
718 public void run() {
\r
719 if (currentSearchOperation == null) {
\r
720 if (searchResult != null) {
\r
721 if (isFiltered()) {
\r
724 jumpToRow(searchResult.startRow);
\r
725 } else if (searchOperation.multiWordSearchResult != null) {
\r
726 // Multi-row search....
\r
727 setFiltered(searchOperation);
\r
729 throw new IllegalStateException("This should never happen.");
\r
732 Log.d(LOG, "More coming, waiting for currentSearchOperation.");
\r
739 private final void jumpToRow(final int row) {
\r
741 getListView().setSelected(true);
\r
744 static final Pattern WHITESPACE = Pattern.compile("\\s+");
\r
745 final class SearchOperation implements Runnable {
\r
747 final AtomicBoolean interrupted = new AtomicBoolean(false);
\r
748 final String searchText;
\r
749 List<String> searchTokens; // filled in for multiWord.
\r
752 long searchStartMillis;
\r
754 Index.IndexEntry searchResult;
\r
755 List<RowBase> multiWordSearchResult;
\r
757 boolean done = false;
\r
759 SearchOperation(final String searchText, final Index index) {
\r
760 this.searchText = searchText.trim();
\r
761 this.index = index;
\r
764 public String toString() {
\r
765 return String.format("SearchOperation(%s,%s)", searchText, interrupted.toString());
\r
769 public void run() {
\r
771 searchStartMillis = System.currentTimeMillis();
\r
772 final String[] searchTokenArray = WHITESPACE.split(searchText);
\r
773 if (searchTokenArray.length == 1) {
\r
774 searchResult = index.findInsertionPoint(searchText, interrupted);
\r
776 searchTokens = Arrays.asList(searchTokenArray);
\r
777 multiWordSearchResult = index.multiWordSearch(searchTokens, interrupted);
\r
779 Log.d(LOG, "searchText=" + searchText + ", searchDuration="
\r
780 + (System.currentTimeMillis() - searchStartMillis) + ", interrupted="
\r
781 + interrupted.get());
\r
782 if (!interrupted.get()) {
\r
783 uiHandler.post(new Runnable() {
\r
785 public void run() {
\r
786 searchFinished(SearchOperation.this);
\r
791 synchronized (this) {
\r
800 // --------------------------------------------------------------------------
\r
802 // --------------------------------------------------------------------------
\r
804 final class IndexAdapter extends BaseAdapter {
\r
807 final List<RowBase> rows;
\r
808 final Set<String> toHighlight;
\r
810 IndexAdapter(final Index index) {
\r
811 this.index = index;
\r
813 this.toHighlight = null;
\r
816 IndexAdapter(final Index index, final List<RowBase> rows, final List<String> toHighlight) {
\r
817 this.index = index;
\r
819 this.toHighlight = new LinkedHashSet<String>(toHighlight);
\r
823 public int getCount() {
\r
824 return rows.size();
\r
828 public RowBase getItem(int position) {
\r
829 return rows.get(position);
\r
833 public long getItemId(int position) {
\r
834 return getItem(position).index();
\r
838 public View getView(int position, final View convertView, ViewGroup parent) {
\r
839 final RowBase row = getItem(position);
\r
840 if (row instanceof PairEntry.Row) {
\r
841 return getView(position, (PairEntry.Row) row, parent, convertView);
\r
842 } else if (row instanceof TokenRow) {
\r
843 return getView((TokenRow) row, parent, convertView);
\r
845 throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());
\r
849 private View getView(final int position, PairEntry.Row row, ViewGroup parent, final View convertView) {
\r
850 final TableLayout result = new TableLayout(parent.getContext());
\r
851 final PairEntry entry = row.getEntry();
\r
852 final int rowCount = entry.pairs.size();
\r
853 for (int r = 0; r < rowCount; ++r) {
\r
854 final TableRow tableRow = new TableRow(result.getContext());
\r
856 final TextView col1 = new TextView(tableRow.getContext());
\r
857 final TextView col2 = new TextView(tableRow.getContext());
\r
858 final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
\r
859 layoutParams.weight = 0.5f;
\r
861 // Set the columns in the table.
\r
863 final TextView bullet = new TextView(tableRow.getContext());
\r
864 bullet.setText(" • ");
\r
865 tableRow.addView(bullet);
\r
867 tableRow.addView(col1, layoutParams);
\r
868 final TextView margin = new TextView(tableRow.getContext());
\r
869 margin.setText(" ");
\r
870 tableRow.addView(margin);
\r
872 final TextView bullet = new TextView(tableRow.getContext());
\r
873 bullet.setText(" • ");
\r
874 tableRow.addView(bullet);
\r
876 tableRow.addView(col2, layoutParams);
\r
880 // Set what's in the columns.
\r
882 // TODO: color words by gender
\r
883 final Pair pair = entry.pairs.get(r);
\r
884 final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
\r
885 final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
\r
887 col1.setText(col1Text, TextView.BufferType.SPANNABLE);
\r
888 col2.setText(col2Text, TextView.BufferType.SPANNABLE);
\r
890 // Bold the token instances in col1.
\r
891 final Set<String> toBold = toHighlight != null ? this.toHighlight : Collections.singleton(row.getTokenRow(true).getToken());
\r
892 final Spannable col1Spannable = (Spannable) col1.getText();
\r
893 for (final String token : toBold) {
\r
895 while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
\r
896 col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos,
\r
897 startPos + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
\r
898 startPos += token.length();
\r
902 createTokenLinkSpans(col1, col1Spannable, col1Text);
\r
903 createTokenLinkSpans(col2, (Spannable) col2.getText(), col2Text);
\r
905 col1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
\r
906 col2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
\r
907 // col2.setBackgroundResource(theme.otherLangBg);
\r
909 if (index.swapPairEntries) {
\r
910 col2.setOnLongClickListener(textViewLongClickListenerIndex0);
\r
911 col1.setOnLongClickListener(textViewLongClickListenerIndex1);
\r
913 col1.setOnLongClickListener(textViewLongClickListenerIndex0);
\r
914 col2.setOnLongClickListener(textViewLongClickListenerIndex1);
\r
917 // Because we have a Button inside a ListView row:
\r
918 // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
\r
919 result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
\r
920 result.setClickable(true);
\r
921 result.setFocusable(true);
\r
922 result.setLongClickable(true);
\r
923 result.setBackgroundResource(android.R.drawable.menuitem_background);
\r
924 result.setOnClickListener(new TextView.OnClickListener() {
\r
926 public void onClick(View v) {
\r
927 DictionaryActivity.this.onListItemClick(null, v, position, position);
\r
931 result.addView(tableRow);
\r
937 // final WebView result = (WebView) (convertView instanceof WebView ? convertView : new WebView(parent.getContext()));
\r
939 // final PairEntry entry = row.getEntry();
\r
940 // final int rowCount = entry.pairs.size();
\r
941 // final StringBuilder html = new StringBuilder();
\r
942 // html.append("<html><body><table width=\"100%\">");
\r
943 // for (int r = 0; r < rowCount; ++r) {
\r
944 // html.append("<tr>");
\r
946 // final Pair pair = entry.pairs.get(r);
\r
947 // // TODO: escape both the token and the text.
\r
948 // final String token = row.getTokenRow(true).getToken();
\r
949 // final String col1Text = index.swapPairEntries ? pair.lang2 : pair.lang1;
\r
950 // final String col2Text = index.swapPairEntries ? pair.lang1 : pair.lang2;
\r
952 // col1Text.replaceAll(token, String.format("<b>%s</b>", token));
\r
955 // html.append("<td width=\"50%\">");
\r
957 // html.append("<li>");
\r
959 // html.append(col1Text);
\r
960 // html.append("</td>");
\r
963 // html.append("<td width=\"50%\">");
\r
965 // html.append("<li>");
\r
967 // html.append(col2Text);
\r
968 // html.append("</td>");
\r
970 //// column1.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
\r
971 //// column2.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSizeSp);
\r
973 // html.append("</tr>");
\r
975 // html.append("</table></body></html>");
\r
977 // Log.i(LOG, html.toString());
\r
979 // result.getSettings().setRenderPriority(RenderPriority.HIGH);
\r
980 // result.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
\r
982 // result.loadData("<html><body><table><tr><td>line (connected series of public conveyances, and hence, an established arrangement for forwarding merchandise, etc.) (noun)</td><td>verbinding</td></tr></table></body></html>", "text/html", "utf-8");
\r
987 private View getView(TokenRow row, ViewGroup parent, final View convertView) {
\r
988 final Context context = parent.getContext();
\r
989 final TextView textView = new TextView(context);
\r
990 textView.setText(row.getToken());
\r
991 textView.setBackgroundResource(row.hasMainEntry ? theme.tokenRowMainBg : theme.tokenRowOtherBg);
\r
993 //textView.setTextColor(android.R.color.secondary_text_light);
\r
994 textView.setTextAppearance(context, theme.tokenRowFg);
\r
995 textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 5 * fontSizeSp / 4);
\r
1001 static final Pattern CHAR_DASH = Pattern.compile("['\\p{L}0-9]+");
\r
1003 private void createTokenLinkSpans(final TextView textView, final Spannable spannable, final String text) {
\r
1004 // Saw from the source code that LinkMovementMethod sets the selection!
\r
1005 // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.1_r1/android/text/method/LinkMovementMethod.java#LinkMovementMethod
\r
1006 textView.setMovementMethod(LinkMovementMethod.getInstance());
\r
1007 final Matcher matcher = CHAR_DASH.matcher(text);
\r
1008 while (matcher.find()) {
\r
1009 spannable.setSpan(new NonLinkClickableSpan(), matcher.start(), matcher.end(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
\r
1014 String selectedSpannableText = null;
\r
1015 int selectedSpannableIndex = -1;
\r
1018 public boolean onTouchEvent(MotionEvent event) {
\r
1019 selectedSpannableText = null;
\r
1020 selectedSpannableIndex = -1;
\r
1021 return super.onTouchEvent(event);
\r
1024 private class TextViewLongClickListener implements OnLongClickListener {
\r
1027 private TextViewLongClickListener(final int index) {
\r
1028 this.index = index;
\r
1032 public boolean onLongClick(final View v) {
\r
1033 final TextView textView = (TextView) v;
\r
1034 final int start = textView.getSelectionStart();
\r
1035 final int end = textView.getSelectionEnd();
\r
1036 if (start >= 0 && end >= 0) {
\r
1037 selectedSpannableText = textView.getText().subSequence(start, end).toString();
\r
1038 selectedSpannableIndex = index;
\r
1043 final TextViewLongClickListener textViewLongClickListenerIndex0 = new TextViewLongClickListener(0);
\r
1044 final TextViewLongClickListener textViewLongClickListenerIndex1 = new TextViewLongClickListener(1);
\r
1047 // --------------------------------------------------------------------------
\r
1049 // --------------------------------------------------------------------------
\r
1051 void onSearchTextChange(final String text) {
\r
1052 if (dictRaf == null) {
\r
1053 Log.d(LOG, "searchText changed during shutdown, doing nothing.");
\r
1056 if (!searchText.isFocused()) {
\r
1057 Log.d(LOG, "searchText changed without focus, doing nothing.");
\r
1060 Log.d(LOG, "onSearchTextChange: " + text);
\r
1061 if (currentSearchOperation != null) {
\r
1062 Log.d(LOG, "Interrupting currentSearchOperation.");
\r
1063 currentSearchOperation.interrupted.set(true);
\r
1065 currentSearchOperation = new SearchOperation(text, index);
\r
1066 searchExecutor.execute(currentSearchOperation);
\r
1069 private class SearchTextWatcher implements TextWatcher {
\r
1070 public void afterTextChanged(final Editable searchTextEditable) {
\r
1071 if (searchText.hasFocus()) {
\r
1072 Log.d(LOG, "Search text changed with focus: " + searchText.getText());
\r
1073 // If they were typing to cause the change, update the UI.
\r
1074 onSearchTextChange(searchText.getText().toString());
\r
1078 public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,
\r
1082 public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
\r
1086 // --------------------------------------------------------------------------
\r
1087 // Filtered results.
\r
1088 // --------------------------------------------------------------------------
\r
1090 boolean isFiltered() {
\r
1091 return rowsToShow != null;
\r
1094 void setFiltered(final SearchOperation searchOperation) {
\r
1095 ((Button) findViewById(R.id.UpButton)).setEnabled(false);
\r
1096 ((Button) findViewById(R.id.DownButton)).setEnabled(false);
\r
1097 rowsToShow = searchOperation.multiWordSearchResult;
\r
1098 setListAdapter(new IndexAdapter(index, rowsToShow, searchOperation.searchTokens));
\r
1101 void clearFiltered() {
\r
1102 ((Button) findViewById(R.id.UpButton)).setEnabled(true);
\r
1103 ((Button) findViewById(R.id.DownButton)).setEnabled(true);
\r
1104 setListAdapter(new IndexAdapter(index));
\r
1105 rowsToShow = null;
\r