/*******************************************************************************
* Copyright (c) 2010 Peter Stibrany 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:
* Peter Stibrany - initial API and implementation
* Tasktop Technologies - improvements
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.commands;
import java.util.List;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.mylyn.internal.tasks.ui.ITaskAttachmentViewer;
import org.eclipse.mylyn.internal.tasks.ui.TaskAttachmentViewerManager;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
import org.eclipse.mylyn.internal.tasks.ui.util.AttachmentUtil;
import org.eclipse.mylyn.internal.tasks.ui.util.TasksUiInternal;
import org.eclipse.mylyn.tasks.core.ITaskAttachment;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* @author Peter Stibrany
*/
public class OpenTaskAttachmentHandler extends AbstractHandler implements IHandler {
public Object execute(ExecutionEvent event) throws ExecutionException {
IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event);
if (window != null) {
IWorkbenchPage page = window.getActivePage();
if (page != null) {
List<ITaskAttachment> attachments = AttachmentUtil.getSelectedAttachments(event);
try {
openAttachments(page, attachments);
} catch (OperationCanceledException e) {
// canceled
}
}
}
return null;
}
public static void openAttachments(IWorkbenchPage page, List<ITaskAttachment> attachments) {
TaskAttachmentViewerManager manager = new TaskAttachmentViewerManager();
for (ITaskAttachment attachment : attachments) {
ITaskAttachmentViewer viewer = manager.getPreferredViewer(attachment);
if (viewer == null) {
TasksUiInternal.logAndDisplayStatus(Messages.OpenTaskAttachmentHandler_failedToOpenViewer, new Status(
IStatus.WARNING, TasksUiPlugin.ID_PLUGIN,
Messages.OpenTaskAttachmentHandler_noAttachmentViewerFound));
continue;
}
try {
viewer.openAttachment(page, attachment);
} catch (CoreException e) {
TasksUiInternal.logAndDisplayStatus(Messages.OpenTaskAttachmentHandler_failedToOpenViewer,
e.getStatus());
}
}
}
}