GlobalOptions.java

package aceim.app.preference;

import java.util.Map;

import aceim.app.Constants;
import aceim.app.Constants.OptionKey;
import aceim.app.R;
import aceim.app.dataentity.GlobalOptionKeys;
import aceim.app.utils.OptionsReceiver;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.os.Parcelable;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceScreen;
import android.support.v4.content.LocalBroadcastManager;

public class GlobalOptions extends OptionsPage  {
	
	public GlobalOptions() {
		super(R.xml.global_preferences, Constants.SHARED_PREFERENCES_GLOBAL);
	}

	@Override
	public Drawable getIcon(Context context) {
		return context.getResources().getDrawable(android.R.drawable.ic_menu_preferences);
	}

	@Override
	public String getTitle(Context context) {
		return context.getString(R.string.general_options);
	}

	@Override
	public void onPreferenceAttached(PreferenceScreen root, int xmlId) {
		onPreferenceAttached(root, xmlId, GlobalOptionKeys.values());
	}
	
	@Override
	protected void onPreferenceAttached(PreferenceScreen root, int xmlId, OptionKey[] keys) {
		for (OptionKey k : keys) {
			Preference p = findPreference(k.getStringKey());
			if (p != null) {
				if (p.getKey().equals(GlobalOptionKeys.THEME.name())) {						
					fillThemePreference((ListPreference) p);
				}
			}
		}
		super.onPreferenceAttached(root, xmlId, keys);
	}
	
	private void fillThemePreference(ListPreference listPref) {
		OptionsActivity activity = (OptionsActivity) getActivity();
		
		Map<String, String> themes = activity.getThemesManager().getInstalledThemes();
		
		String[] names = new String[themes.size() + 1];
		String[] values = new String[themes.size() + 1];
		names[0] = activity.getString(R.string.default_theme);
		values[0] = "";
		
		int i=1;
		for (String key : themes.keySet()) {
			names[i] = themes.get(key);
			values[i] = key;
			i++;
		}
		
		listPref.setEntries(names);
		listPref.setEntryValues(values);
	}
	
	@Override
	protected boolean onPreferenceChangeInternal(Preference p, Object newValue){
		Intent i = new Intent(getActivity(), OptionsReceiver.class);
		i.putExtra(Constants.INTENT_EXTRA_OPTION_VALUE, newValue.toString());
		i.putExtra(Constants.INTENT_EXTRA_OPTION_KEY, (Parcelable)GlobalOptionKeys.valueOf(p.getKey()));
		i.setAction(Constants.INTENT_ACTION_OPTION);
		
		LocalBroadcastManager.getInstance(getActivity()).sendBroadcast(i);
		
		return true;
	}
}