AIRS_DBAdmin.java

/*
Copyright (C) 2012, Dirk Trossen, airs@dirk-trossen.de

This program is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation as version 2.1 of the License.

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 Lesser General Public
License for more details.

You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
*/
package com.airs.database;

import com.airs.R;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Configuration;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

/**
 * Activity to administer the AIRS database, calling the index, backup and restore activities from a small UI
 *
 * @see AIRS_restore
 * @see AIRS_backup
 * @see AIRS_index
 */
public class AIRS_DBAdmin extends Activity implements OnClickListener
{
	// Layout Views
    private Button db_backup;
    private Button db_restore;
    private Button db_index;

    /** Called when the activity is first created. 
     * @param savedInstanceState a Bundle of the saved state, according to Android lifecycle model
     */
    @Override
    public void onCreate(Bundle savedInstanceState) 
    {
        // Set up the window layout
        super.onCreate(savedInstanceState);
        
        // set content of View
        setContentView(R.layout.db_admin);

        // get buttons and set onclick listener
        db_backup 		= (Button)findViewById(R.id.db_backup);
        db_backup.setOnClickListener(this);
        db_restore 		= (Button)findViewById(R.id.db_restore);
        db_restore.setOnClickListener(this);
        db_index 		= (Button)findViewById(R.id.db_index);
        db_index.setOnClickListener(this);             
    }
    
    /** Called when the activity is paused. 
     */
    @Override
    public synchronized void onPause() 
    {
        super.onPause();
    }

    /** Called when the activity is stopped. 
     */
    @Override
    public void onStop() 
    {
        super.onStop();
    }

    /** Called when the activity is destroyed. 
     */
    @Override
    public void onDestroy() 
    {
       super.onDestroy();
       
    }
    
    /** Called when the configuration of the activity has changed.
     * @param newConfig new configuration after change 
     */
    @Override
    public void onConfigurationChanged(Configuration newConfig) 
    {
    	super.onConfigurationChanged(newConfig);
    }
 
    /** Called when the Options menu is opened
     * @param menu Reference to the {@link android.view.Menu}
     */
    @Override
    public boolean onPrepareOptionsMenu(Menu menu) 
    {
    	MenuInflater inflater;
        menu.clear();    		
        inflater = getMenuInflater();
       	inflater.inflate(R.menu.options_about, menu);
        
        return true;
    }
    
    /** Called when an option menu item has been selected by the user
     * @param item Reference to the {@link android.view.MenuItem} clicked on
     */
    @Override
    public boolean onOptionsItemSelected(MenuItem item) 
    {
        switch (item.getItemId()) 
        {
        case R.id.main_about:
        	// call about dialogue
    		Toast.makeText(getApplicationContext(), R.string.DBadminAbout, Toast.LENGTH_LONG).show();
            return true;
        }
        return false;
    }

    /** Called when a button has been clicked on by the user
     * @param v Reference to the {@link android.view.View} of the button
     */
    @Override
    public void onClick(View v) 
    {
    	final Intent intent;
    	
        switch (v.getId()) 
        {
        case R.id.db_backup:
        	intent = new Intent(this,AIRS_backup.class);
        	startActivity(intent);
        	break;
        case R.id.db_restore:
        	intent = new Intent(this,AIRS_restore.class);
        	startActivity(intent);
        	break;
        case R.id.db_index:
           	intent = new Intent(this ,AIRS_index.class);
    		AlertDialog.Builder builder = new AlertDialog.Builder(this);
    		builder.setMessage(getString(R.string.Index_DB_message))
    			   .setTitle(getString(R.string.Index_DB))
    		       .setCancelable(false)
    		       .setPositiveButton(getString(R.string.Yes), new DialogInterface.OnClickListener() 
    		       {
    		           public void onClick(DialogInterface dialog, int id) 
    		           {
	    		        	startActivity(intent);
    		           }
    		       })
    		       .setNegativeButton(getString(R.string.No), new DialogInterface.OnClickListener() 
    		       {
    		           public void onClick(DialogInterface dialog, int id) 
    		           {
    		                dialog.cancel();
    		           }
    		       });
    		AlertDialog alert = builder.create();
    		alert.show();
        	break;
        }
    } 
}