src/com/hughes/android/dictionary/DictionaryManagerActivity.java

   1 // Copyright 2011 Google Inc. All Rights Reserved.
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 package com.hughes.android.dictionary;
  16
  17 import android.content.Intent;
  18 import android.content.SharedPreferences;
  19 import android.content.SharedPreferences.Editor;
  20 import android.os.Bundle;
  21 import android.os.Handler;
  22 import android.preference.PreferenceManager;
  23 import android.text.Editable;
  24 import android.text.TextWatcher;
  25 import android.util.Log;
  26 import android.view.ContextMenu;
  27 import android.view.ContextMenu.ContextMenuInfo;
  28 import android.view.LayoutInflater;
  29 import android.view.View;
  30 import android.view.ViewGroup;
  31 import android.widget.AdapterView;
  32 import android.widget.AdapterView.AdapterContextMenuInfo;
  33 import android.widget.AdapterView.OnItemClickListener;
  34 import android.widget.BaseAdapter;
  35 import android.widget.Button;
  36 import android.widget.CompoundButton;
  37 import android.widget.CompoundButton.OnCheckedChangeListener;
  38 import android.widget.EditText;
  39 import android.widget.ImageButton;
  40 import android.widget.TextView;
  41 import android.widget.ToggleButton;
  42
  43 import com.actionbarsherlock.app.SherlockListActivity;
  44 import com.actionbarsherlock.view.Menu;
  45 import com.hughes.android.dictionary.DictionaryInfo.IndexInfo;
  46 import com.hughes.android.util.IntentLauncher;
  47
  48 import java.io.File;
  49 import java.util.ArrayList;
  50 import java.util.List;
  51
  52 public class DictionaryManagerActivity extends SherlockListActivity {
  53
  54   static final String LOG = "QuickDic";
  55   static boolean blockAutoLaunch = false;
  56
  57   DictionaryApplication application;
  58   Adapter adapter;
  59
  60   EditText filterText;
  61   ToggleButton showLocal;
  62
  63   Handler uiHandler;
  64
  65   public static Intent getLaunchIntent() {
  66     final Intent intent = new Intent();
  67     intent.setClassName(DictionaryManagerActivity.class.getPackage().getName(),
  68         DictionaryManagerActivity.class.getName());
  69     intent.putExtra(C.CAN_AUTO_LAUNCH_DICT, false);
  70     return intent;
  71   }
  72
  73   public void onCreate(Bundle savedInstanceState) {
  74     setTheme(((DictionaryApplication)getApplication()).getSelectedTheme().themeId);
  75
  76     super.onCreate(savedInstanceState);
  77     Log.d(LOG, "onCreate:" + this);
  78
  79     application = (DictionaryApplication) getApplication();
  80
  81     // UI init.
  82     setContentView(R.layout.dictionary_manager_activity);
  83
  84     filterText = (EditText) findViewById(R.id.filterText);
  85     showLocal = (ToggleButton) findViewById(R.id.showLocal);
  86
  87     filterText.addTextChangedListener(new TextWatcher() {
  88       @Override
  89       public void onTextChanged(CharSequence s, int start, int before, int count) {
  90       }
  91
  92       @Override
  93       public void beforeTextChanged(CharSequence s, int start, int count, int after) {
  94       }
  95
  96       @Override
  97       public void afterTextChanged(Editable s) {
  98         onFilterTextChanged();
  99       }
 100     });
 101
 102     final ImageButton clearSearchText = (ImageButton) findViewById(R.id.ClearSearchTextButton);
 103     clearSearchText.setOnClickListener(new View.OnClickListener() {
 104         @Override
 105         public void onClick(View arg0) {
 106             filterText.setText("");
 107             filterText.requestFocus();
 108         }
 109     });
 110
 111     showLocal.setOnCheckedChangeListener(new OnCheckedChangeListener() {
 112       @Override
 113       public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 114         onShowLocalChanged();
 115       }
 116     });
 117
 118     getListView().setOnItemClickListener(new OnItemClickListener() {
 119       @Override
 120       public void onItemClick(AdapterView<?> arg0, View arg1, int index,
 121           long id) {
 122         onClick(index);
 123       }
 124     });
 125
 126     getListView().setClickable(true);
 127
 128     // ContextMenu.
 129     registerForContextMenu(getListView());
 130
 131     blockAutoLaunch = false;
 132     final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 133     final String thanksForUpdatingLatestVersion = getString(R.string.thanksForUpdatingVersion);
 134     if (!prefs.getString(C.THANKS_FOR_UPDATING_VERSION, "").equals(thanksForUpdatingLatestVersion)) {
 135       blockAutoLaunch = true;
 136       startActivity(HtmlDisplayActivity.getWhatsNewLaunchIntent());
 137       prefs.edit().putString(C.THANKS_FOR_UPDATING_VERSION, thanksForUpdatingLatestVersion).commit();
 138     }
 139   }
 140
 141   @Override
 142   protected void onStart() {
 143     super.onStart();
 144     uiHandler = new Handler();
 145   }
 146
 147   @Override
 148   protected void onStop() {
 149     super.onStop();
 150     uiHandler = null;
 151   }
 152
 153   @Override
 154   protected void onResume() {
 155     super.onResume();
 156
 157     if (SettingsActivity.settingsMightHaveChanged) {
 158       SettingsActivity.settingsMightHaveChanged = false;
 159       finish();
 160       startActivity(getIntent());
 161     }
 162
 163     final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 164     showLocal.setChecked(prefs.getBoolean(C.SHOW_LOCAL, false));
 165
 166     if (!blockAutoLaunch &&
 167         getIntent().getBooleanExtra(C.CAN_AUTO_LAUNCH_DICT, true) &&
 168         prefs.contains(C.DICT_FILE) &&
 169         prefs.contains(C.INDEX_INDEX)) {
 170       Log.d(LOG, "Skipping Dictionary List, going straight to dictionary.");
 171       startActivity(DictionaryActivity.getLaunchIntent(new File(prefs.getString(C.DICT_FILE, "")), prefs.getInt(C.INDEX_INDEX, 0), prefs.getString(C.SEARCH_TOKEN, "")));
 172       finish();
 173       return;
 174     }
 175
 176     application.backgroundUpdateDictionaries(new Runnable() {
 177       @Override
 178       public void run() {
 179         if (uiHandler == null) {
 180           return;
 181         }
 182         uiHandler.post(new Runnable() {
 183           @Override
 184           public void run() {
 185             setListAdapter(adapter = new Adapter());
 186           }
 187         });
 188       }
 189     });
 190
 191     setListAdapter(adapter = new Adapter());
 192   }
 193
 194   public boolean onCreateOptionsMenu(final Menu menu) {
 195     application.onCreateGlobalOptionsMenu(this, menu);
 196     return true;
 197   }
 198
 199
 200   @Override
 201   public void onCreateContextMenu(final ContextMenu menu, final View view,
 202       final ContextMenuInfo menuInfo) {
 203     super.onCreateContextMenu(menu, view, menuInfo);
 204
 205     final AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
 206     final int position = adapterContextMenuInfo.position;
 207     final DictionaryInfo dictionaryInfo = adapter.getItem(position);
 208
 209     if (position > 0 && application.isDictionaryOnDevice(dictionaryInfo.uncompressedFilename)) {
 210       final android.view.MenuItem moveToTopMenuItem = menu.add(R.string.moveToTop);
 211       moveToTopMenuItem.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 212         @Override
 213         public boolean onMenuItemClick(android.view.MenuItem item) {
 214           application.moveDictionaryToTop(dictionaryInfo);
 215           setListAdapter(adapter = new Adapter());
 216           return true;
 217         }
 218       });
 219     }
 220
 221     final android.view.MenuItem deleteMenuItem = menu.add(R.string.deleteDictionary);
 222     deleteMenuItem.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 223       @Override
 224       public boolean onMenuItemClick(android.view.MenuItem item) {
 225         application.deleteDictionary(dictionaryInfo);
 226         setListAdapter(adapter = new Adapter());
 227         return true;
 228       }
 229     });
 230
 231     final DictionaryInfo downloadable = application.getDownloadable(dictionaryInfo.uncompressedFilename);
 232     if (downloadable != null) {
 233       final android.view.MenuItem downloadMenuItem = menu.add(getString(R.string.downloadButton, downloadable.zipBytes/1024.0/1024.0));
 234       downloadMenuItem.setOnMenuItemClickListener(new android.view.MenuItem.OnMenuItemClickListener() {
 235         @Override
 236         public boolean onMenuItemClick(android.view.MenuItem item) {
 237           final Intent intent = getDownloadIntent(downloadable);
 238           startActivity(intent);
 239           setListAdapter(adapter = new Adapter());
 240           return true;
 241         }
 242       });
 243     }
 244
 245   }
 246
 247   private Intent getDownloadIntent(final DictionaryInfo downloadable) {
 248 //      DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
 249 //      DownloadManager.Request request = new DownloadManager.Request(Uri.parse(""));
 250 //      long id = downloadManager.enqueue(request);
 251 //      DownloadManager.Query query;
 252       return null;
 253   }
 254
 255   private void onFilterTextChanged() {
 256     setListAdapter(adapter = new Adapter());
 257
 258   }
 259
 260   private void onShowLocalChanged() {
 261     setListAdapter(adapter = new Adapter());
 262     Editor prefs = PreferenceManager.getDefaultSharedPreferences(this).edit();
 263     prefs.putBoolean(C.SHOW_LOCAL, showLocal.isChecked());
 264     prefs.commit();
 265   }
 266
 267   private void onClick(int index) {
 268     final DictionaryInfo dictionaryInfo = adapter.getItem(index);
 269     final DictionaryInfo downloadable = application.getDownloadable(dictionaryInfo.uncompressedFilename);
 270     if (!application.isDictionaryOnDevice(dictionaryInfo.uncompressedFilename) && downloadable != null) {
 271       final Intent intent = getDownloadIntent(downloadable);
 272       startActivity(intent);
 273     } else {
 274       final Intent intent = DictionaryActivity.getLaunchIntent(application.getPath(dictionaryInfo.uncompressedFilename), 0, "");
 275       startActivity(intent);
 276     }
 277   }
 278
 279   class Adapter extends BaseAdapter {
 280
 281     final List<DictionaryInfo> dictionaryInfos = new ArrayList<DictionaryInfo>();
 282
 283     Adapter() {
 284       final String filter = filterText.getText().toString().trim().toLowerCase();
 285       for (final DictionaryInfo dictionaryInfo : application.getAllDictionaries()) {
 286         boolean canShow = true;
 287         if (showLocal.isChecked() && !application.isDictionaryOnDevice(dictionaryInfo.uncompressedFilename)) {
 288           canShow = false;
 289         }
 290         if (canShow && filter.length() > 0) {
 291           if (!application.getDictionaryName(dictionaryInfo.uncompressedFilename).toLowerCase().contains(filter)) {
 292             canShow = false;
 293           }
 294         }
 295         if (canShow) {
 296           dictionaryInfos.add(dictionaryInfo);
 297         }
 298       }
 299     }
 300
 301     @Override
 302     public int getCount() {
 303       return dictionaryInfos.size();
 304     }
 305
 306     @Override
 307     public DictionaryInfo getItem(int position) {
 308       return dictionaryInfos.get(position);
 309     }
 310
 311     @Override
 312     public long getItemId(int position) {
 313       return position;
 314     }
 315
 316     @Override
 317     public View getView(final int position, View convertView, final ViewGroup parent) {
 318        if (convertView == null) {
 319            convertView = LayoutInflater.from(parent.getContext()).inflate(
 320                    R.layout.dictionary_manager_row, parent, false);
 321        }
 322
 323       final DictionaryInfo dictionaryInfo = getItem(position);
 324
 325       final TextView textView = (TextView) convertView.findViewById(R.id.dictionaryName);
 326       final String name = application.getDictionaryName(dictionaryInfo.uncompressedFilename);
 327       textView.setText(name);
 328
 329       final Button downloadButton = (Button) convertView.findViewById(R.id.dictionaryDownloadButton);
 330       final boolean updateAvailable = application.updateAvailable(dictionaryInfo);
 331       final DictionaryInfo downloadable = application.getDownloadable(dictionaryInfo.uncompressedFilename);
 332       if (updateAvailable) {
 333           downloadButton.setCompoundDrawablesWithIntrinsicBounds(
 334                               android.R.drawable.ic_menu_add,
 335                           0, 0, 0);
 336           downloadButton.setText(getString(R.string.downloadButton, downloadable.zipBytes / 1024.0 / 1024.0));
 337       } else if (!application.isDictionaryOnDevice(dictionaryInfo.uncompressedFilename)) {
 338           downloadButton.setCompoundDrawablesWithIntrinsicBounds(
 339                   android.R.drawable.ic_menu_add,
 340               0, 0, 0);
 341           downloadButton.setText(getString(R.string.downloadButton, downloadable.zipBytes / 1024.0 / 1024.0));
 342       } else {
 343           downloadButton.setCompoundDrawablesWithIntrinsicBounds(
 344                   android.R.drawable.checkbox_on_background,
 345               0, 0, 0);
 346           downloadButton.setText("");
 347       }
 348       final Intent intent = getDownloadIntent(downloadable);
 349       downloadButton.setOnClickListener(new IntentLauncher(parent.getContext(), intent));
 350
 351       // Add the information about each index.
 352       final TextView dictionaryDetails = (TextView) convertView.findViewById(R.id.dictionaryDetails);
 353       final StringBuilder builder = new StringBuilder();
 354       for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
 355         if (builder.length() > 0) {
 356           builder.append(" | ");
 357         }
 358         builder.append(getString(R.string.indexInfo, indexInfo.shortName, indexInfo.mainTokenCount));
 359       }
 360       dictionaryDetails.setText(builder.toString());
 361
 362 //      // Because we have a Button inside a ListView row:
 363 //      // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
 364       //convertView.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
 365       convertView.setClickable(true);
 366       convertView.setFocusable(true);
 367       convertView.setLongClickable(true);
 368 //      result.setBackgroundResource(android.R.drawable.menuitem_background);
 369       convertView.setOnClickListener(new TextView.OnClickListener() {
 370         @Override
 371         public void onClick(View v) {
 372           DictionaryManagerActivity.this.onClick(position);
 373         }
 374       });
 375
 376       return convertView;
 377     }
 378   }
 379
 380 }