//------------------------------------------------------------------------------
// 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.lang.reflect.InvocationTargetException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.ide.wizards.EditorCreationWizard;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.actions.WorkspaceModifyOperation;

/**
 * @generated
 */
public class DiagramCreationWizard extends Wizard implements INewWizard {

	/**
	 * @generated
	 */
	private IWorkbench workbench;
	/**
	 * @generated
	 */
	protected IStructuredSelection selection;
	/**
	 * @generated
	 */
	protected DiagramCreationWizardPage diagramModelFilePage;
	/**
	 * @generated
	 */
	protected Resource diagram;
	/**
	 * @generated
	 */
	private boolean openNewlyCreatedDiagramEditor = true;

	/**
	 * @generated
	 */
	public IWorkbench getWorkbench() {
		return workbench;
	}

	/**
	 * @generated
	 */
	public IStructuredSelection getSelection() {
		return selection;
	}

	/**
	 * @generated
	 */
	public final Resource getDiagram() {
		return diagram;
	}

	/**
	 * @generated
	 */
	public final boolean isOpenNewlyCreatedDiagramEditor() {
		return openNewlyCreatedDiagramEditor;
	}

	/**
	 * @generated
	 */
	public void setOpenNewlyCreatedDiagramEditor(
			boolean openNewlyCreatedDiagramEditor) {
		this.openNewlyCreatedDiagramEditor = openNewlyCreatedDiagramEditor;
	}

	/**
	 * @generated
	 */
	public void addPages() {
		diagramModelFilePage = new DiagramCreationWizardPage(
				"DiagramModelFile", getSelection(), "wpdd"); //$NON-NLS-1$ //$NON-NLS-2$
		diagramModelFilePage.setTitle("Create WPDD Diagram");
		diagramModelFilePage
				.setDescription("Select file that will contain diagram and domain models.");
		addPage(diagramModelFilePage);
	}

	/**
	 * @generated
	 */
	public boolean performFinish() {
		IRunnableWithProgress op = new WorkspaceModifyOperation(null) {

			protected void execute(IProgressMonitor monitor)
					throws CoreException, InterruptedException {
				diagram = DiagramDiagramEditorUtil.createDiagram(
						diagramModelFilePage.getURI(), monitor);
				if (isOpenNewlyCreatedDiagramEditor() && diagram != null) {
					try {
						DiagramDiagramEditorUtil.openDiagram(diagram);
					} catch (PartInitException e) {
						ErrorDialog.openError(getContainer().getShell(),
								"Error opening diagram editor", null, e
										.getStatus());
					}
				}
			}
		};
		try {
			getContainer().run(false, true, op);
		} catch (InterruptedException e) {
			return false;
		} catch (InvocationTargetException e) {
			if (e.getTargetException() instanceof CoreException) {
				ErrorDialog.openError(getContainer().getShell(),
						"Creation Problems", null, ((CoreException) e
								.getTargetException()).getStatus());
			} else {
				WPDDiagramEditorPlugin.getInstance().logError(
						"Error creating diagram", e.getTargetException()); //$NON-NLS-1$
			}
			return false;
		}
		return diagram != null;
	}

	/**
	 * @generated
	 */
	public void init(IWorkbench workbench, IStructuredSelection selection) {
		this.workbench = workbench;
		this.selection = selection;
		setWindowTitle("New WPDD Diagram");
		setDefaultPageImageDescriptor(WPDDiagramEditorPlugin
				.getBundledImageDescriptor("icons/wizban/NewModelWizard.gif")); //$NON-NLS-1$
		setNeedsProgressMonitor(true);
	}
}