bundles/core/org.eclipse.apogy.core.invocator.ui/src/org/eclipse/apogy/core/invocator/ui/wizards/SetVariableTypeWizardPage.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,
 *     Olivier L. Larouche - initial API and implementation
 *
 * SPDX-License-Identifier: EPL-1.0
 *     
 *******************************************************************************/
package org.eclipse.apogy.core.invocator.ui.wizards;

import org.eclipse.apogy.core.invocator.Variable;
import org.eclipse.apogy.core.invocator.ui.composites.TypesRegistryComposite;
import org.eclipse.jface.dialogs.IDialogPage;
import org.eclipse.jface.viewers.ISelection;
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 SetVariableTypeWizardPage extends WizardPage {

	private final static String WIZARD_PAGE_ID = "org.eclipse.apogy.core.invocator.ui.wizards.SetVariableTypeWizardPage";

	private final Variable variable;

	public SetVariableTypeWizardPage(Variable variable) {
		super(WIZARD_PAGE_ID);
		setTitle("Variable");
		setDescription("Select the type.");
		this.variable = variable;
	}

	/**
	 * @see IDialogPage#createControl(Composite)
	 */
	@Override
	public void createControl(Composite parent) {
		Composite container = new Composite(parent, SWT.None);
		container.setLayout(new GridLayout(1, false));

		setControl(container);

		TypesRegistryComposite typesRegistryComposite = new TypesRegistryComposite(container, SWT.NONE) {
			@Override
			protected void newSelection(ISelection selection) {
				SetVariableTypeWizardPage.this.variable.setVariableType(getSelectedType());
				validate();
			}
		};
		typesRegistryComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));

		validate();
	}

	/**
	 * This method is invoked to validate the content.
	 */
	protected void validate() {
		String errorMessage = "";

		if (this.variable.getVariableType() == null) {
			errorMessage = "You must select the variable type.";
		}
		setPageComplete(errorMessage.isEmpty());
	}
}