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