bundles/core/org.eclipse.apogy.core.environment.surface.ui/src/org/eclipse/apogy/core/environment/surface/ui/wizards/TopologyTreeMapLayerWizardPage.java

/*******************************************************************************
 * Copyright (c) 2018 Agence spatiale canadienne / Canadian Space Agency 
 * 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
 *
 * Contributors:
 *     Pierre Allard,
 *     Regent L'Archeveque - initial API and implementation
 *
 * SPDX-License-Identifier: EPL-1.0
 *     
 *******************************************************************************/
package org.eclipse.apogy.core.environment.surface.ui.wizards;

import org.eclipse.apogy.common.topology.ui.composites.TopologyTreeEditingComposite;
import org.eclipse.apogy.core.environment.surface.TopologyTreeMapLayer;
import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;

public class TopologyTreeMapLayerWizardPage extends WizardPage {
	private final static String WIZARD_PAGE_ID = "org.eclipse.apogy.core.environment.surface.ui.wizards.TopologyTreeMapLayerWizardPage";

	private final TopologyTreeMapLayer topologyTreeMapLayer;

	private TopologyTreeEditingComposite topologyTreeEditingComposite;

	private DataBindingContext m_bindingContext;

	public TopologyTreeMapLayerWizardPage(TopologyTreeMapLayer topologyTreeMapLayer) {
		super(WIZARD_PAGE_ID);
		this.topologyTreeMapLayer = topologyTreeMapLayer;

		setTitle("Topology Tree.");
		setDescription("Create the topology tree under the layer.");

		validate();
	}

	@Override
	public void createControl(Composite parent) {
		Composite top = new Composite(parent, SWT.None);
		top.setLayout(new GridLayout(1, false));

		this.topologyTreeEditingComposite = new TopologyTreeEditingComposite(top, SWT.BORDER, true);
		this.topologyTreeEditingComposite.setRoot(this.topologyTreeMapLayer.getTopologyTreeRoot());

		// Bindings
		this.m_bindingContext = initDataBindingsCustom();

		setControl(top);

		// Dispose
		top.addDisposeListener(new DisposeListener() {
			@Override
			public void widgetDisposed(DisposeEvent e) {
				if (TopologyTreeMapLayerWizardPage.this.m_bindingContext != null)
					TopologyTreeMapLayerWizardPage.this.m_bindingContext.dispose();

			}
		});
	}

	protected void validate() {
		setErrorMessage(null);

		setPageComplete(getErrorMessage() == null);
	}

	private DataBindingContext initDataBindingsCustom() {
		DataBindingContext bindingContext = new DataBindingContext();

		return bindingContext;
	}
}