bundles/core/org.eclipse.apogy.core.ui/src/org/eclipse/apogy/core/ui/composites/ApogySystemConnectionPointsComposite.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.ui.composites;

import org.eclipse.apogy.core.ApogySystem;
import org.eclipse.apogy.core.ConnectionPoint;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.forms.widgets.ExpandableComposite;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.ScrolledForm;
import org.eclipse.ui.forms.widgets.Section;
import org.eclipse.ui.forms.widgets.TableWrapData;
import org.eclipse.ui.forms.widgets.TableWrapLayout;

public class ApogySystemConnectionPointsComposite extends Composite {
	private ApogySystem apogySystem;

	private final ApogySystemConnectionPointsListComposite apogySystemConnectionPointsListComposite;
	private final ConnectionPointOverviewComposite connectionPointOverviewComposite;

	private final FormToolkit formToolkit = new FormToolkit(Display.getDefault());

	public ApogySystemConnectionPointsComposite(Composite parent, int style) {
		super(parent, style);

		setLayout(new GridLayout(1, true));

		ScrolledForm scrolledForm = this.formToolkit.createScrolledForm(this);
		scrolledForm.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
		this.formToolkit.paintBordersFor(scrolledForm);
		{
			TableWrapLayout tableWrapLayout = new TableWrapLayout();
			tableWrapLayout.numColumns = 1;
			tableWrapLayout.makeColumnsEqualWidth = true;
			scrolledForm.getBody().setLayout(tableWrapLayout);
		}

		// Connections Points
		Section sctnConnectionPoints = this.formToolkit.createSection(scrolledForm.getBody(),
				ExpandableComposite.EXPANDED | ExpandableComposite.TWISTIE | ExpandableComposite.TITLE_BAR);
		TableWrapData twd_sctnDemlist = new TableWrapData(TableWrapData.FILL, TableWrapData.TOP, 3, 1);
		twd_sctnDemlist.valign = TableWrapData.FILL;
		twd_sctnDemlist.grabVertical = true;
		twd_sctnDemlist.grabHorizontal = true;
		sctnConnectionPoints.setLayoutData(twd_sctnDemlist);
		this.formToolkit.paintBordersFor(sctnConnectionPoints);
		sctnConnectionPoints.setText("Connection Points");

		this.apogySystemConnectionPointsListComposite = new ApogySystemConnectionPointsListComposite(
				sctnConnectionPoints, SWT.NONE) {
			@Override
			protected void newConnectionPointSelected(ConnectionPoint connectionPoint) {
				ApogySystemConnectionPointsComposite.this.connectionPointOverviewComposite
						.setConnectionPoint(connectionPoint);
			}
		};

		this.formToolkit.adapt(this.apogySystemConnectionPointsListComposite);
		this.formToolkit.paintBordersFor(this.apogySystemConnectionPointsListComposite);
		sctnConnectionPoints.setClient(this.apogySystemConnectionPointsListComposite);

		// Connections Points
		Section sctnConnectionPointOverview = this.formToolkit.createSection(scrolledForm.getBody(),
				ExpandableComposite.EXPANDED | ExpandableComposite.TWISTIE | ExpandableComposite.TITLE_BAR);
		TableWrapData twd_sctnOverview = new TableWrapData(TableWrapData.FILL, TableWrapData.TOP, 3, 1);
		twd_sctnOverview.valign = TableWrapData.FILL;
		twd_sctnOverview.grabVertical = true;
		twd_sctnOverview.grabHorizontal = true;
		sctnConnectionPointOverview.setLayoutData(twd_sctnOverview);
		this.formToolkit.paintBordersFor(sctnConnectionPointOverview);
		sctnConnectionPointOverview.setText("Connection Point Overview");

		this.connectionPointOverviewComposite = new ConnectionPointOverviewComposite(sctnConnectionPointOverview,
				SWT.NONE);
		this.formToolkit.adapt(this.connectionPointOverviewComposite);
		this.formToolkit.paintBordersFor(this.connectionPointOverviewComposite);
		sctnConnectionPointOverview.setClient(this.connectionPointOverviewComposite);

		// Do clean up upon dispose.
		addDisposeListener(new DisposeListener() {
			@Override
			public void widgetDisposed(DisposeEvent arg0) {
				ApogySystemConnectionPointsComposite.this.apogySystem = null;
			}
		});
	}

	public ApogySystem getApogySystem() {
		return this.apogySystem;
	}

	public void setApogySystem(ApogySystem apogySystem) {
		this.apogySystem = apogySystem;

		if (this.apogySystemConnectionPointsListComposite != null
				&& !this.apogySystemConnectionPointsListComposite.isDisposed()) {
			if (apogySystem != null) {
				this.apogySystemConnectionPointsListComposite
						.setConnectionPointsList(apogySystem.getConnectionPointsList());
			} else {
				this.apogySystemConnectionPointsListComposite.setConnectionPointsList(null);
			}
		}
	}
}