//Fire the selection event to set the messages in the wizard/dialog:

		listener.handleEvent(null);

/**********************************************************************

 * Copyright (c) 2006, 2007 IBM Corporation and others.

 * All rights reserved.   This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 * $Id: TPTPJUnitTestSuiteGenerationPane.java,v 1.5 2007/04/19 18:43:36 paules Exp $

 * 

 * Contributors: 

 * IBM - Initial API and implementation

 **********************************************************************/

package org.eclipse.tptp.test.tools.api.internal.ui.test.generation;

import java.util.Collections;

import org.eclipse.core.resources.IFile;

import org.eclipse.core.runtime.IPath;

import org.eclipse.core.runtime.Path;

import org.eclipse.emf.common.ui.dialogs.WorkspaceResourceDialog;

import org.eclipse.jface.layout.GridDataFactory;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.graphics.Color;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Combo;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Group;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Text;

/**

 * TPTP JUnit test suite generation pane.

 * <p>

 * 

 * 

 * @author  Paul E. Slauenwhite

 * @version November 15, 2006

 * @since   September 7, 2006

 * @provisional

 */

public class TPTPJUnitTestSuiteGenerationPaneAPI extends Composite {

	private Text testSuiteLocationText = null;

	private Combo testSuiteGeneratorCombo = null;

	private Button testSuiteLocationButton = null;

	public TPTPJUnitTestSuiteGenerationPaneAPI(Composite parent){		

		this(parent, SWT.SHADOW_NONE);		

	}

	public TPTPJUnitTestSuiteGenerationPaneAPI(Composite parent, int style){

		super(parent, style);

		buildPane();

	}

	public Combo getTestSuiteGeneratorCombo() {

		return testSuiteGeneratorCombo;

	}

	public Text getTestSuiteLocationText() {

		return testSuiteLocationText;

	}

	public void init(){

	    testSuiteGeneratorCombo.select(0);

		testSuiteLocationText.setEnabled(false);

		testSuiteLocationText.setText("");

		//Work-around: Set the text field's background color to gray since disabled/enabled un-editable text fields have a gray background, by default.

	    testSuiteLocationText.setBackground(((Color)(testSuiteGeneratorCombo.getData("Background"))));	    			

		testSuiteLocationButton.setEnabled(false);		

	}

	private void buildPane(){

		setLayout(new GridLayout());

		setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

		GridLayout layout = new GridLayout();

		layout.numColumns = 3;

		layout.horizontalSpacing = 5;

		layout.verticalSpacing = 10;

		Group testGroup = new Group(this, SWT.SHADOW_ETCHED_IN);

		testGroup.setLayout(layout);

		testGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

		testGroup.setText("Test suite generator and location");

	    Label testSuiteGeneratorLabel = new Label(testGroup, SWT.NONE);

	    testSuiteGeneratorLabel.setText("Generator: ");

	    testSuiteGeneratorCombo = new Combo(testGroup, SWT.READ_ONLY);

	    testSuiteGeneratorCombo.setLayoutData(GridDataFactory.fillDefaults().span(2, 1).grab(true, false).create());

	    testSuiteGeneratorCombo.add("Do not generate test suite");

	    testSuiteGeneratorCombo.add("TPTP JUnit Test Suite Generator");

	    testSuiteGeneratorCombo.addSelectionListener(new SelectionAdapter() {

	    	public void widgetSelected(SelectionEvent e) {	    		

	    		if(testSuiteGeneratorCombo.getSelectionIndex() != 0){

	    			testSuiteLocationButton.setEnabled(true);

	    			testSuiteLocationText.setEnabled(true);

	    			//Work-around: Set the text field's background color to white since disabled/enabled un-editable text fields have a gray background, by default.

	    		    testSuiteLocationText.setBackground(testSuiteGeneratorCombo.getBackground());	    			

	    		}	    		

	    		else{

	    			init();

	    		}

			}		

		});

	    //TODO: Create extension point for user-defined test suite generators:

//	    IConfigurationElement[] elements = 

//	    	Platform.getExtensionRegistry().getConfigurationElementsFor("org.eclipse.hyades.test.core.TestGenerator");

//	    for(int i = 0; i < elements.length; i++) {

//	    	String name = elements[i].getAttribute("name");

//	    	testSuiteGeneratorCombo.add(name);

//	    }	    

	    Label testSuiteLocationLabel = new Label(testGroup, SWT.NONE);

	    testSuiteLocationLabel.setText("Location: ");

	    testSuiteLocationText = new Text(testGroup, SWT.SINGLE | SWT.BORDER);

	    testSuiteLocationText.setEditable(false);

	    testSuiteLocationText.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).align(SWT.FILL, SWT.CENTER).create());

	    //Work-around: Persist the text field's background original color since disabled/enabled un-editable text fields have a gray background, by default.

	    testSuiteLocationText.setData("Background",testSuiteLocationText.getBackground());

	    testSuiteLocationButton = new Button(testGroup, SWT.PUSH);

	    testSuiteLocationButton.setText("Browse...");

	    testSuiteLocationButton.addSelectionListener(new SelectionAdapter() {

	    	public void widgetSelected(SelectionEvent e) {

	    		//TODO: Use standard Eclipse/TPTP dialog:

	    		//TODO: Only select Java and Pluign projects.

		    	//TODO: Use UIUtil.validateJavaFileName and UIUtil.validateOSFileName:

		    	//TODO: Check for existing file and do not allow user to overwrite:

		    	//TODO: Create new directory?:

	    		IPath path = null;

	    		String testSuiteLocationPath = testSuiteLocationText.getText().trim();

	    		if((testSuiteLocationPath.length() > 0) && (Path.EMPTY.isValidPath(testSuiteLocationPath))){

	    			path = new Path(testSuiteLocationPath);

	    		}

	    		//TODO: If project does not exist, only set file name:	    		

	    		//TODO: Set text field to "" if file is null and cancel is selected:

	    		IFile testSuiteLocationFile = WorkspaceResourceDialog.openNewFile(

	    				testSuiteLocationButton.getParent().getShell(), 

						"Test Suite", 

						"Select a test suite location under a Java project:", 

						path, 

						Collections.EMPTY_LIST);

	    		if(testSuiteLocationFile != null){

	    			testSuiteLocationPath = testSuiteLocationFile.getFullPath().toString();

	    			if(!testSuiteLocationPath.endsWith(".testsuite")){	    				

		    			testSuiteLocationText.setText(testSuiteLocationPath.concat(".testsuite"));

	    			}

	    			else{

	    				testSuiteLocationText.setText(testSuiteLocationPath);

	    			}

	    		}

			}

		});

	    init();

	    layout(false,true);

	}	

}