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package juloo.keyboard2;
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Typeface;
import android.preference.PreferenceManager;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.TextView;
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Set;
import java.util.HashSet;
public class EmojiGridView extends GridView
implements GridView.OnItemClickListener
{
public static final int TYPE_LAST_USE = -1;
public static final int COLUMN_WIDTH = 192;
public static final float EMOJI_SIZE = 32.f;
private static final String LAST_USE_PREF = "emoji_last_use";
private Emoji[] _emojiArray;
private HashMap<Emoji, Integer> _lastUsed;
/*
** TODO: adapt column width and emoji size
** TODO: use ArraySet instead of Emoji[]
*/
public EmojiGridView(Context context, AttributeSet attrs)
{
super(context, attrs);
setOnItemClickListener(this);
setColumnWidth(COLUMN_WIDTH);
loadLastUsed();
setEmojiType((_lastUsed.size() == 0) ? Emoji.TYPE_EMOTICONS : TYPE_LAST_USE);
}
public void setEmojiType(int type)
{
_emojiArray = (type == TYPE_LAST_USE) ? getLastEmojis() : Emoji.getEmojisByType(type);
setAdapter(new EmojiViewAdpater((Keyboard2)getContext(), _emojiArray));
}
public void onItemClick(AdapterView<?> parent, View v, int pos, long id)
{
Keyboard2 main = (Keyboard2)getContext();
Integer used = _lastUsed.get(_emojiArray[pos]);
_lastUsed.put(_emojiArray[pos], (used == null) ? 1 : used.intValue() + 1);
main.handleKeyUp(_emojiArray[pos], 0);
saveLastUsed(); // TODO: opti
}
@Override
public void onMeasure(int wSpec, int hSpec)
{
super.onMeasure(wSpec, hSpec);
setNumColumns(getMeasuredWidth() / COLUMN_WIDTH);
}
private Emoji[] getLastEmojis()
{
final HashMap<Emoji, Integer> map = _lastUsed;
Emoji[] array = new Emoji[map.size()];
map.keySet().toArray(array);
Arrays.sort(array, 0, array.length, new Comparator<Emoji>()
{
public int compare(Emoji a, Emoji b)
{
return (map.get(b).intValue() - map.get(a).intValue());
}
});
return (array);
}
private void saveLastUsed()
{
SharedPreferences.Editor edit = PreferenceManager.getDefaultSharedPreferences(getContext()).edit();
HashSet<String> set = new HashSet<String>();
for (Emoji emoji : _lastUsed.keySet())
set.add(String.valueOf(_lastUsed.get(emoji)) + "-" + emoji.getName());
edit.putStringSet(LAST_USE_PREF, set);
edit.apply();
}
private void loadLastUsed()
{
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
Set<String> lastUseSet = prefs.getStringSet(LAST_USE_PREF, null);
_lastUsed = new HashMap<Emoji, Integer>();
if (lastUseSet != null)
for (String emojiData : lastUseSet)
{
String[] data = emojiData.split("-", 2);
Emoji emoji;
if (data.length != 2)
continue ;
emoji = Emoji.getEmojiByName(data[1]);
if (emoji == null)
continue ;
_lastUsed.put(emoji, Integer.valueOf(data[0]));
}
}
private static class EmojiView extends TextView
{
private static ViewGroup.LayoutParams _layoutParams = null;
public EmojiView(Keyboard2 context)
{
super(context);
setTextSize(EMOJI_SIZE);
setGravity(Gravity.CENTER);
setBackgroundColor(getResources().getColor(R.color.emoji_emoji_bg));
if (_layoutParams == null)
_layoutParams = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.FILL_PARENT);
setLayoutParams(_layoutParams);
}
public void setEmoji(Emoji emoji)
{
setText(emoji.getSymbol(0));
}
}
private static class EmojiViewAdpater extends BaseAdapter
{
private Keyboard2 _main;
private Emoji[] _emojiArray;
public EmojiViewAdpater(Keyboard2 main, Emoji[] emojiArray)
{
_main = main;
_emojiArray = emojiArray;
}
public int getCount()
{
if (_emojiArray == null)
return (0);
return (_emojiArray.length);
}
public Object getItem(int pos)
{
return (_emojiArray[pos]);
}
public long getItemId(int pos)
{
return (pos);
}
public View getView(int pos, View convertView, ViewGroup parent)
{
EmojiView view = (EmojiView)convertView;
if (view == null)
view = new EmojiView(_main);
view.setEmoji(_emojiArray[pos]);
return (view);
}
}
}
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