/android/import-contacts

/*

 * WizardActivity.java

 *

 * Copyright (C) 2009 Tim Marston <edam@waxworlds.org>

 *

 * This file is part of the Import Contacts program (hereafter referred

 * to as "this program"). For more information, see

 * http://www.waxworlds.org/edam/software/android/import-contacts

 *

 * 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 3 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, see <http://www.gnu.org/licenses/>.

 */

package org.waxworlds.importcontacts;

import android.app.Activity;

import android.content.Intent;

import android.content.SharedPreferences;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

public class WizardActivity extends Activity

{

	private int _nextState;

	private boolean _backEnabled;

	@Override

	protected void onCreate(Bundle savedInstanceState)

	{

		super.onCreate(savedInstanceState);

		_nextState = 0;

		// deal with saved state vs. defaults

		if( savedInstanceState == null)

		{

			_backEnabled = false;

			Bundle extras = getIntent().getExtras();

			if( extras != null )

				_backEnabled = extras.getBoolean( "backstate" );

		}

		else

		{

			_backEnabled = savedInstanceState.getBoolean( "_backEnabled" );

		}

		// enable/disable back button

		( (Button)findViewById( R.id.back ) ).setEnabled( _backEnabled );

		// set up next button

		Button next = (Button)findViewById( R.id.next );

		next.setOnClickListener( new View.OnClickListener() {

			public void onClick( View view ) {

				onNext();

			}

		} );

		// set up back button

		Button back = (Button)findViewById( R.id.back );

		back.setOnClickListener( new View.OnClickListener() {

			public void onClick( View view ) {

				setResult( RESULT_OK );

				finish();

			}

		} );

	}

	@Override

	protected void onSaveInstanceState( Bundle outState ) {

		super.onSaveInstanceState(outState);

		outState.putBoolean( "_backEnabled", _backEnabled );

	}

/*

	@Override

	protected void onPause()

	{

		super.onPause();

	}

	@Override

	protected void onResume()

	{

		super.onResume();

	}

*/

	protected void onNext()

	{

		switchToState( _nextState );

	}

	protected void setNextState( int nextState )

	{

		// set next state and enable button

		_nextState = nextState;

		( (Button)findViewById( R.id.next ) ).setEnabled( true );

	}

	private void switchToState( int newState )

	{

		if( newState != 0 )

		{

			// create result data bundle

			Bundle bundle = new Bundle();

			bundle.putInt( "nextstate", newState );

			// create response intent and finish

			Intent i = new Intent();

			i.putExtras( bundle );

			setResult( RESULT_OK, i );

			finish();

		}

	}

	public SharedPreferences getSharedPreferences()

	{

		return super.getSharedPreferences( "ImportContacts", 0 );

	}

}