org.eclipse.mylyn.context.ui/src/org/eclipse/mylyn/internal/context/ui/commands/AttachContextHandler.java

/*******************************************************************************
 * Copyright (c) 2004, 2007 Mylyn project committers 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
 *******************************************************************************/

package org.eclipse.mylyn.internal.context.ui.commands;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.mylyn.internal.context.ui.wizards.ContextAttachWizard;
import org.eclipse.mylyn.internal.tasks.core.deprecated.AbstractLegacyRepositoryConnector;
import org.eclipse.mylyn.internal.tasks.ui.commands.AbstractTaskHandler;
import org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector;
import org.eclipse.mylyn.tasks.core.ITask;
import org.eclipse.mylyn.tasks.core.ITask.SynchronizationState;
import org.eclipse.mylyn.tasks.ui.TasksUi;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;

/**
 * @author Steffen Pingel
 */
public class AttachContextHandler extends AbstractTaskHandler {

	@Override
	protected void execute(ExecutionEvent event, ITask task) throws ExecutionException {
		AbstractRepositoryConnector connector = TasksUi.getRepositoryManager().getRepositoryConnector(
				task.getConnectorKind());
		if (connector instanceof AbstractLegacyRepositoryConnector) {
			if (task.getSynchronizationState() != SynchronizationState.SYNCHRONIZED) {
				MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
						"Context Attachment", "Task must be synchronized before attaching context");
				return;
			}
		}

		ContextAttachWizard wizard = new ContextAttachWizard(task);
		Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
		if (shell != null && !shell.isDisposed()) {
			WizardDialog dialog = new WizardDialog(shell, wizard);
			dialog.create();
			dialog.setTitle("Attach Context");
			dialog.setBlockOnOpen(true);
			if (dialog.open() == Window.CANCEL) {
				dialog.close();
				return;
			}
		}
	}

}