bundles/core/org.eclipse.apogy.core.environment.earth.ui/src/org/eclipse/apogy/core/environment/earth/ui/wizards/SurfacePolygonWorldWindLayerURLWizardPage.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:
<<<<<<< HEAD
 * 	 	 Pierre Allard - initial API and implementation
=======
 *     Pierre Allard - initial API and implementation
 *
>>>>>>> refs/heads/eclipse_pa
 * SPDX-License-Identifier: EPL-1.0
 *******************************************************************************/
/**
 * Wizard age used ton configure Geographic Coordinates.
 */
package org.eclipse.apogy.core.environment.earth.ui.wizards;

import org.eclipse.apogy.common.emf.transaction.ApogyCommonTransactionFacade;
import org.eclipse.apogy.common.ui.composites.URLSelectionComposite;
import org.eclipse.apogy.core.environment.earth.ui.ApogyEarthEnvironmentUIPackage;
import org.eclipse.apogy.core.environment.earth.ui.SurfacePolygonWorldWindLayer;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;

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

	private final SurfacePolygonWorldWindLayer surfacePolygonWorldWindLayer;
	private String urlString;

	private URLSelectionComposite urlSelectionComposite;

	public SurfacePolygonWorldWindLayerURLWizardPage(SurfacePolygonWorldWindLayer surfacePolygonWorldWindLayer) {
		super(WIZARD_PAGE_ID);
		this.surfacePolygonWorldWindLayer = surfacePolygonWorldWindLayer;

		setTitle("URL to file containing the Geographic Coordinates defining the polygon.");
		setDescription("Set the URL.");

		validate();
	}

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

		// URL Selection
		this.urlSelectionComposite = new URLSelectionComposite(top, SWT.None,
				new String[] { "*.csv", "*.kmz", "*.kml" }, true, true, true) {
			@Override
			protected void urlStringSelected(String newURLString) {
				SurfacePolygonWorldWindLayerURLWizardPage.this.urlString = newURLString;

				validate();

				ApogyCommonTransactionFacade.INSTANCE.basicSet(
						SurfacePolygonWorldWindLayerURLWizardPage.this.surfacePolygonWorldWindLayer,
						ApogyEarthEnvironmentUIPackage.Literals.SURFACE_POLYGON_WORLD_WIND_LAYER__URL, newURLString);
			}
		};
		this.urlSelectionComposite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

		if (this.surfacePolygonWorldWindLayer != null && this.surfacePolygonWorldWindLayer.getUrl() != null) {
			this.urlSelectionComposite.setUrlString(this.surfacePolygonWorldWindLayer.getUrl());
		}

		setControl(top);
		this.urlSelectionComposite.setFocus();
	}

	protected void validate() {
		setErrorMessage(null);

		// Checks the URL.
		boolean urlValid = (this.urlString != null) && (this.urlString.length() > 0);
		if (!urlValid) {
			setErrorMessage("Invalid URL specified !");
		}
		setPageComplete(getErrorMessage() == null);
	}
}