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/*******************************************************************************
* Copyright (c) 2004 - 2006 University Of British Columbia 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:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.internal.tasklist.ui.views;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.dnd.DragSourceEvent;
import org.eclipse.swt.dnd.DragSourceListener;
/**
* @author Mik Kersten
*/
class TaskListDragSourceListener implements DragSourceListener {
static final String DELIM = ", ";
private final TaskListView view;
/**
* @param view
*/
public TaskListDragSourceListener(TaskListView view) {
this.view = view;
}
public void dragStart(DragSourceEvent event) {
if (((StructuredSelection) this.view.getViewer().getSelection()).isEmpty()) {
event.doit = false;
}
}
public void dragSetData(DragSourceEvent event) {
event.data = "task-drag";
// StructuredSelection selection = (StructuredSelection)
// this.view.getViewer().getSelection();
// String data = "task-drag";
// for (Object selectedObject : ((IStructuredSelection)
// selection).toList()) {
// if (selectedObject instanceof ITaskListElement) {
// ITaskListElement element = (ITaskListElement) selectedObject;
// if (element.isDragAndDropEnabled()) {
// data += "task"
// data += element.getHandleIdentifier() + DELIM;
// }
// }
// }
// if (data != null) {
// event.data = data;
// } else {
// event.data = "null";
// }
}
public void dragFinished(DragSourceEvent event) {
// don't care if the drag is done
}
}
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