/*
* Copyright (C) 2013 The CyanogenMod Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.cyanogenmod.wallpapers.photophase.preferences;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.preference.PreferenceFragment;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import org.cyanogenmod.wallpapers.photophase.R;
import org.cyanogenmod.wallpapers.photophase.model.Disposition;
import org.cyanogenmod.wallpapers.photophase.widgets.DispositionView;
import org.cyanogenmod.wallpapers.photophase.widgets.DispositionView.OnFrameSelectedListener;
import org.cyanogenmod.wallpapers.photophase.widgets.ResizeFrame;
import java.util.List;
/**
* An abstract fragment class that allow to choose the layout disposition of the wallpaper.
*/
public abstract class DispositionFragment
extends PreferenceFragment implements OnFrameSelectedListener {
private Runnable mRedraw = new Runnable() {
@Override
public void run() {
if (getActivity() == null) return;
try {
mDispositionView.setDispositions(getUserDispositions(), getCols(), getRows());
} catch (Exception ex) {
// Ignored
}
}
};
/*package*/ DispositionView mDispositionView;
private MenuItem mDeleteMenu;
/**
* Constructor of DispositionFragment
*/
public DispositionFragment() {
super();
}
/**
* Method that returns the current user preference for the disposition
*
* @return List The current user preference dispositions
*/
public abstract List getUserDispositions();
/**
* Method that returns the default preference for the disposition
*
* @return List The default preference dispositions
*/
public abstract List getDefaultDispositions();
/**
* Method that request to save the dispositions
*
* @param dispositions The dispositions to save
*/
public abstract void saveDispositions(List dispositions);
/**
* Method that returns the number of rows to use
*
* @return int The number of rows
*/
public abstract int getRows();
/**
* Method that returns the number of cols to use
*
* @return int The number of cols
*/
public abstract int getCols();
/**
* {@inheritDoc}
*/
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Change the preference manager
getPreferenceManager().setSharedPreferencesName(PreferencesProvider.PREFERENCES_FILE);
getPreferenceManager().setSharedPreferencesMode(Context.MODE_PRIVATE);
setHasOptionsMenu(true);
}
/**
* {@inheritDoc}
*/
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
// Inflate the layout for this fragment
ViewGroup v = (ViewGroup)inflater.inflate(R.layout.choose_disposition_fragment, container, false);
mDispositionView = (DispositionView)v.findViewById(R.id.disposition_view);
mDispositionView.setResizeFrame((ResizeFrame)v.findViewById(R.id.resize_frame));
mDispositionView.setOnFrameSelectedListener(this);
mDispositionView.post(mRedraw);
return v;
}
/**
* {@inheritDoc}
*/
@Override
public void onDestroyView() {
super.onDestroyView();
if (mDispositionView != null) {
mDispositionView.removeCallbacks(mRedraw);
if (mDispositionView.isChanged()) {
saveDispositions(mDispositionView.getDispositions());
}
}
// Notify that the settings was changed
Intent intent = new Intent(PreferencesProvider.ACTION_SETTINGS_CHANGED);
if (mDispositionView.isChanged()) {
intent.putExtra(PreferencesProvider.EXTRA_FLAG_REDRAW, Boolean.TRUE);
intent.putExtra(PreferencesProvider.EXTRA_FLAG_RECREATE_WORLD, Boolean.TRUE);
}
getActivity().sendBroadcast(intent);
}
/**
* {@inheritDoc}
*/
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.dispositions, menu);
mDeleteMenu = menu.findItem(R.id.mnu_delete);
if (mDeleteMenu != null) {
mDeleteMenu.setVisible(false);
}
}
/**
* {@inheritDoc}
*/
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.mnu_ok:
getActivity().finish();
return true;
case R.id.mnu_restore:
restoreData();
return true;
case R.id.mnu_delete:
deleteFrame();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
/**
* Method that restores the disposition view to the default state
*/
private void restoreData() {
mDispositionView.setDispositions(getUserDispositions(), getCols(), getRows());
}
/**
* Method that restores the disposition view to the default state
*/
private void deleteFrame() {
mDispositionView.deleteCurrentFrame();
}
/**
* {@inheritDoc}
*/
@Override
public void onFrameSelectedListener(View v) {
if (mDeleteMenu != null) {
mDeleteMenu.setVisible(true);
}
}
/**
* {@inheritDoc}
*/
@Override
public void onFrameUnselectedListener() {
if (mDeleteMenu != null) {
mDeleteMenu.setVisible(false);
}
}
}