DrawerActivity.java

/*
 *PopBell Application for Android
 *Copyright (C) 2013 SimpleMinds Team
 *
 *This program is free software; you can redistribute it and/or
 *modify it under the terms of the GNU General Public License
 *as published by the Free Software Foundation; either version 2
 *of the License, or (at your option) any later version.
 *
 *This program is distributed in the hope that it will be useful,
 *but WITHOUT ANY WARRANTY; without even the implied warranty of
 *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *GNU General Public License for more details.
 *
 *You should have received a copy of the GNU General Public License
 *along with this program; if not, write to the Free Software
 *Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package com.simpleminds.popbell;

import android.app.AlertDialog;
import android.app.ListActivity;
import android.content.DialogInterface;
import android.database.Cursor;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.ImageView;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;

public class DrawerActivity extends ListActivity{
	private NotiListDBhelper mHelper = null;
	private Cursor mCursor = null;
	private static final int DELETE_ID = Menu.FIRST + 3;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_drawer);
		
		ImageView close = (ImageView) findViewById(R.id.imageView2);
		
		close.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				finish();
			}
		});
	
		mHelper = new NotiListDBhelper(this);
		mCursor = mHelper.getWritableDatabase().rawQuery("SELECT _ID, title, desc FROM notilist ORDER BY title", null);
		@SuppressWarnings("deprecation")
		ListAdapter adapter = new SimpleCursorAdapter(this, 
			R.layout.custom,
			mCursor,
			new String[] {NotiListDBhelper.TITLE, NotiListDBhelper.DESC},
			new int[] {R.id.bigtext, R.id.smalltext});
		ListView myList=(ListView)findViewById(android.R.id.list);
		myList.setAdapter(adapter);
		registerForContextMenu(myList);
	}


	@Override
	public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
		menu.add(Menu.NONE, DELETE_ID, Menu.NONE, getString(R.string.delete));
	}
	@Override
	public boolean onContextItemSelected(MenuItem item) {
		switch (item.getItemId()) {
			case DELETE_ID:
				AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo)item.getMenuInfo();
				delete(info.id);
				return(true);
		}
	
		return(super.onOptionsItemSelected(item));
	}
	private void delete(final long rowId) {
		if (rowId > 0) {
			new AlertDialog.Builder(this)
				.setTitle(R.string.removecheck)
				.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
					public void onClick(DialogInterface dialog, int whichButton) {
						processDelete(rowId);
					}
				})
				.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
					public void onClick(DialogInterface dialog, int whichButton) {
					// ignore, just dismiss
					}
				})
				.show();
		}
	}
	
	private void processDelete(long rowId) {
		String[] args = {String.valueOf(rowId)};
		
		mHelper.getWritableDatabase().delete("notilist", "_ID=?", args);
		mCursor.requery();
	}
	@Override
	public void onDestroy() {
		super.onDestroy();
		
		mCursor.close();
		mHelper.close();
	}
}