/*******************************************************************************
 * <copyright>
 *
 * Copyright (c) 2005, 2010 SAP AG.
 * 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:
 *    SAP AG - initial API, implementation and documentation
 *
 * </copyright>
 *
 *******************************************************************************/
package org.activiti.designer.eclipse.ui;

import org.eclipse.jface.resource.ImageDescriptor;
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;

/**
 * The Class AbstractWizardPage.
 */
public abstract class AbstractWizardPage extends WizardPage implements ITextProvider {

	/**
	 * The Constructor.
	 * 
	 * @param pageName
	 *            the page name
	 * @param title
	 *            the title
	 * @param titleImage
	 *            the title image
	 */
	public AbstractWizardPage(String pageName, String title, ImageDescriptor titleImage) {
		super(pageName, title, titleImage);
	}

	/**
	 * Instantiates a new abstract wizard page.
	 * 
	 * @param pageName
	 *            the page name
	 */
	protected AbstractWizardPage(String pageName) {
		super(pageName);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets
	 * .Composite)
	 */
	public void createControl(Composite parent) {
		Composite composite = new Composite(parent, SWT.NULL);
		composite.setFont(parent.getFont());
		composite.setLayout(new GridLayout());
		composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

		createWizardContents(composite);

		setPageComplete(true);

		// Show description on opening
		setErrorMessage(null);
		setMessage(null);
		setControl(composite);
	}

	/**
	 * Creates the wizard contents.
	 * 
	 * @param parent
	 *            the parent
	 */
	abstract protected void createWizardContents(Composite parent);

}