//------------------------------------------------------------------------------
// Copyright (c) 2005, 2007 IBM Corporation and others.
// 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:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.diagram.wpdd.part;

import java.io.InputStream;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.common.util.URI;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.ide.wizards.EditorWizardPage;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.util.DiagramFileCreator;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchWindow;

import org.eclipse.ui.dialogs.WizardNewFileCreationPage;
import org.eclipse.epf.diagram.wpdd.edit.parts.WorkProductDependencyDiagramEditPart;

/**
 * @generated
 */
public class DiagramCreationWizardPage extends WizardNewFileCreationPage {

	/**
	 * @generated
	 */
	private final String fileExtension;

	/**
	 * @generated
	 */
	public DiagramCreationWizardPage(String pageName,
			IStructuredSelection selection, String fileExtension) {
		super(pageName, selection);
		this.fileExtension = fileExtension;
	}

	/**
	 * Override to create files with this extension.
	 * 
	 * @generated
	 */
	protected String getExtension() {
		return fileExtension;
	}

	/**
	 * @generated
	 */
	public URI getURI() {
		return URI.createPlatformResourceURI(getFilePath().toString(), false);
	}

	/**
	 * @generated
	 */
	protected IPath getFilePath() {
		IPath path = getContainerFullPath();
		if (path == null) {
			path = new Path(""); //$NON-NLS-1$
		}
		String fileName = getFileName();
		if (fileName != null) {
			path = path.append(fileName);
		}
		return path;
	}

	/**
	 * @generated
	 */
	public void createControl(Composite parent) {
		super.createControl(parent);
		setFileName(DiagramDiagramEditorUtil.getUniqueFileName(
				getContainerFullPath(), getFileName(), getExtension()));
		setPageComplete(validatePage());
	}

	/**
	 * @generated
	 */
	protected boolean validatePage() {
		if (!super.validatePage()) {
			return false;
		}
		String extension = getExtension();
		if (extension != null
				&& !getFilePath().toString().endsWith("." + extension)) {
			setErrorMessage(NLS.bind(
					"File name should have ''{0}'' extension.", extension));
			return false;
		}
		return true;
	}

}