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

   1 package com.hughes.android.dictionary;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 import android.app.ListActivity;
   7 import android.content.Intent;
   8 import android.os.Bundle;
   9 import android.util.Log;
  10 import android.view.ContextMenu;
  11 import android.view.Menu;
  12 import android.view.MenuItem;
  13 import android.view.View;
  14 import android.view.ViewGroup;
  15 import android.view.ContextMenu.ContextMenuInfo;
  16 import android.view.MenuItem.OnMenuItemClickListener;
  17 import android.view.View.OnFocusChangeListener;
  18 import android.widget.AdapterView;
  19 import android.widget.BaseAdapter;
  20 import android.widget.EditText;
  21 import android.widget.ListView;
  22 import android.widget.TableLayout;
  23 import android.widget.TextView;
  24 import android.widget.AdapterView.AdapterContextMenuInfo;
  25
  26 import com.hughes.android.util.PersistentObjectCache;
  27
  28 public class DictionaryListActivity extends ListActivity {
  29
  30   static final String LOG = "QuickDic";
  31
  32   static final String DICTIONARY_CONFIGS = "dictionaryConfigs";
  33
  34   List<DictionaryConfig> dictionaries = new ArrayList<DictionaryConfig>();
  35
  36   public void onCreate(Bundle savedInstanceState) {
  37     super.onCreate(savedInstanceState);
  38     Log.d(LOG, "onCreate:" + this);
  39
  40     // UI init.
  41     setContentView(R.layout.list_activity);
  42
  43     getListView().setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
  44       public boolean onItemLongClick(AdapterView<?> arg0, View arg1, int row,
  45           long arg3) {
  46         return false;
  47       }
  48     });
  49
  50     // ContextMenu.
  51     registerForContextMenu(getListView());
  52
  53     getListView().setItemsCanFocus(true);
  54   }
  55
  56   @SuppressWarnings("unchecked")
  57   @Override
  58   protected void onResume() {
  59     super.onResume();
  60
  61     dictionaries = (List<DictionaryConfig>) PersistentObjectCache.init(this).read(DICTIONARY_CONFIGS);
  62     if (dictionaries == null) {
  63       dictionaries = new ArrayList<DictionaryConfig>();
  64     }
  65     if (dictionaries.size() == 0) {
  66       final DictionaryConfig dictionaryConfig = DictionaryConfig.defaultConfig();
  67       dictionaries.add(dictionaryConfig);
  68       PersistentObjectCache.getInstance().write(DICTIONARY_CONFIGS, dictionaries);
  69     }
  70
  71     setListAdapter(new Adapter());
  72   }
  73
  74   public boolean onCreateOptionsMenu(final Menu menu) {
  75     final MenuItem newDictionaryMenuItem = menu.add(R.string.addDictionary);
  76     newDictionaryMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
  77           public boolean onMenuItemClick(final MenuItem menuItem) {
  78             final DictionaryConfig dictionaryConfig = new DictionaryConfig();
  79             dictionaryConfig.name = getString(R.string.newDictionary);
  80             dictionaries.add(0, dictionaryConfig);
  81             dictionaryConfigsChanged();
  82             return false;
  83           }
  84         });
  85
  86     return true;
  87   }
  88
  89
  90   @Override
  91   public void onCreateContextMenu(final ContextMenu menu, final View view,
  92       final ContextMenuInfo menuInfo) {
  93     super.onCreateContextMenu(menu, view, menuInfo);
  94
  95     final AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
  96
  97     final MenuItem editMenuItem = menu.add(R.string.editDictionary);
  98     editMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
  99       @Override
 100       public boolean onMenuItemClick(MenuItem item) {
 101         final Intent intent = new Intent(DictionaryListActivity.this, DictionaryEditActivity.class);
 102         intent.putExtra(DictionaryEditActivity.DICT_INDEX, adapterContextMenuInfo.position);
 103         startActivity(intent);
 104         return true;
 105       }
 106     });
 107
 108     if (adapterContextMenuInfo.position > 0) {
 109       final MenuItem moveUpMenuItem = menu.add(R.string.moveUp);
 110       moveUpMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 111         @Override
 112         public boolean onMenuItemClick(MenuItem item) {
 113           final DictionaryConfig dictionaryConfig = dictionaries.remove(adapterContextMenuInfo.position);
 114           dictionaries.add(adapterContextMenuInfo.position - 1, dictionaryConfig);
 115           dictionaryConfigsChanged();
 116           return true;
 117         }
 118       });
 119     }
 120
 121     final MenuItem deleteMenuItem = menu.add(R.string.deleteDictionary);
 122     deleteMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 123       @Override
 124       public boolean onMenuItemClick(MenuItem item) {
 125         dictionaries.remove(adapterContextMenuInfo.position);
 126         dictionaryConfigsChanged();
 127         return true;
 128       }
 129     });
 130
 131   }
 132
 133   private void dictionaryConfigsChanged() {
 134     PersistentObjectCache.getInstance().write(DICTIONARY_CONFIGS, dictionaries);
 135     setListAdapter(getListAdapter());
 136   }
 137
 138   static final OnFocusChangeListener focusListener = new OnFocusChangeListener() {
 139     @Override
 140     public void onFocusChange(View v, boolean hasFocus) {
 141       final TextView textView = (TextView) v;
 142       if (hasFocus) {
 143         textView.setTextAppearance(v.getContext(), R.style.Theme_QuickDic);
 144       } else {
 145         //textView.setTextAppearance(v.getContext(), android.R.style.TextAppearance_Medium);
 146       }
 147     }
 148   };
 149
 150
 151   class Adapter extends BaseAdapter {
 152
 153     @Override
 154     public int getCount() {
 155       return dictionaries.size();
 156     }
 157
 158     @Override
 159     public DictionaryConfig getItem(int position) {
 160       return dictionaries.get(position);
 161     }
 162
 163     @Override
 164     public long getItemId(int position) {
 165       return position;
 166     }
 167
 168     @Override
 169     public View getView(int position, View convertView, ViewGroup parent) {
 170       final DictionaryConfig dictionaryConfig = getItem(position);
 171       final TableLayout tableLayout = new TableLayout(parent.getContext());
 172       final TextView view = new TextView(parent.getContext());
 173
 174       view.setText(dictionaryConfig.name);
 175       view.setTextSize(20);
 176       view.setFocusable(true);
 177       view.setOnFocusChangeListener(focusListener);
 178       tableLayout.addView(view);
 179
 180       final EditText view2 = new EditText(parent.getContext());
 181       view2.setText(dictionaryConfig.name + "2");
 182       view2.setFocusable(true);
 183       view2.setOnFocusChangeListener(focusListener);
 184       tableLayout.addView(view2);
 185
 186       return tableLayout;
 187     }
 188
 189   }
 190
 191
 192 }