ScaDeviceProjectPropertiesWizardPage.java

/*******************************************************************************
 * This file is protected by Copyright. 
 * Please refer to the COPYRIGHT file distributed with this source distribution.
 *
 * This file is part of REDHAWK IDE.
 *
 * 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
 *******************************************************************************/
package gov.redhawk.ide.dcd.ui.wizard;

import gov.redhawk.ide.preferences.RedhawkIdePreferenceConstants;
import gov.redhawk.ide.spd.ui.wizard.ScaResourceProjectPropertiesWizardPage;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.beans.PojoProperties;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
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;

/**
 * The Class ScaDeviceProjectPropertiesWizardPage.
 * @since 1.1
 */
public class ScaDeviceProjectPropertiesWizardPage extends ScaResourceProjectPropertiesWizardPage {

	private DeviceProjectSettings deviceProjSettings = new DeviceProjectSettings();
	private Combo deviceTypeCombo;
	private Button aggregateButton;
	private Group deviceGroup;
	private DataBindingContext context;
	private boolean showDeviceGroup = true;

	/**
	 * Instantiates a new sca resource project properties wizard page.
	 * 
	 * @param pageName the page name
	 */
	protected ScaDeviceProjectPropertiesWizardPage(final String pageName, final String type) {
		super(pageName, type);
		this.setDescription("Choose to either create a new Device or import an existing one.");
		context = new DataBindingContext();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void customCreateControl(final Composite parent) {
		if (this.showDeviceGroup) {
			// Device Group
			deviceGroup = new Group(parent, SWT.NONE);
			deviceGroup.setText(getResourceType());
			deviceGroup.setLayout(new GridLayout(2, false));
			GridDataFactory.generate(deviceGroup, 2, 1);
			
			deviceTypeCombo = new Combo(deviceGroup, SWT.DROP_DOWN | SWT.BORDER | SWT.READ_ONLY);
			deviceTypeCombo.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).span(2, 1).create());
			deviceTypeCombo.setItems(RedhawkIdePreferenceConstants.DEVICE_TYPES);
			deviceTypeCombo.select(0);
			
			aggregateButton = new Button(deviceGroup, SWT.CHECK);
			aggregateButton.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).span(1, 1).create());
			aggregateButton.setText(RedhawkIdePreferenceConstants.AGGREGATE_DEVICE + " device");
			
			context.bindValue(WidgetProperties.text().observe(deviceTypeCombo), PojoProperties.value("deviceType").observe(this.deviceProjSettings));
			context.bindValue(WidgetProperties.selection().observe(aggregateButton), PojoProperties.value("aggregate").observe(this.deviceProjSettings));
			deviceTypeCombo.addDisposeListener(new DisposeListener() {
				
				@Override
				public void widgetDisposed(DisposeEvent e) {
					if (context != null) {
						context.dispose();
						context = null;
					}
				}
			});
		}
	}

	@Override
	public void dispose() {
		super.dispose();
		if (context != null) {
			context.dispose();
			context = null;
		}
	}

	@Override
	protected void createContentsGroup(Composite parent) {
		super.createContentsGroup(parent);
		getContentsGroup().getImportFileButton().addSelectionListener(new SelectionListener() {

			@Override
			public void widgetSelected(SelectionEvent e) {
				if (getContentsGroup().getImportFileButton().getSelection()) {
					deviceGroup.setEnabled(false);
					deviceTypeCombo.setEnabled(false);
					aggregateButton.setSelection(false);
					aggregateButton.setEnabled(false);
				} else {
					deviceGroup.setEnabled(true);
					deviceTypeCombo.setEnabled(true);
					deviceTypeCombo.select(0);
					aggregateButton.setEnabled(true);
				}
			}

			@Override
			public void widgetDefaultSelected(SelectionEvent e) {
				// TODO Auto-generated method stub

			}
		});
	}

	/**
	 * @return
	 */
	public String getDeviceType() {
		return deviceProjSettings.getDeviceType();
	}

	/**
	 * @return
	 */
	public boolean getAggregateDeviceType() {
		return deviceProjSettings.isAggregate();
	}

	public DeviceProjectSettings getProjectSettings() {
		return this.deviceProjSettings;
	}

	protected void setShowDeviceGroup(boolean showDeviceGroup) {
		this.showDeviceGroup = showDeviceGroup;
	}

}