| /******************************************************************************* |
| * Copyright (c) 2006, 2008 Wind River Systems, Inc. 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: |
| * Markus Schorn - initial API and implementation |
| * IBM Corporation |
| *******************************************************************************/ |
| |
| /* -- ST-Origin -- |
| * Source folder: org.eclipse.cdt.ui/src |
| * Class: org.eclipse.cdt.internal.ui.includebrowser.IBDragSourceListener |
| * Version: 1.3 |
| */ |
| |
| package org.eclipse.ptp.internal.rdt.ui.includebrowser; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| import org.eclipse.cdt.core.index.IIndexFileLocation; |
| import org.eclipse.cdt.core.index.IndexLocationFactory; |
| import org.eclipse.cdt.internal.ui.includebrowser.IBNode; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.swt.dnd.DragSourceEvent; |
| import org.eclipse.swt.dnd.DragSourceListener; |
| import org.eclipse.swt.dnd.FileTransfer; |
| import org.eclipse.ui.part.ResourceTransfer; |
| |
| public class IBDragSourceListener implements DragSourceListener { |
| |
| private TreeViewer fTreeViewer; |
| private ArrayList<IBNode> fSelectedNodes= new ArrayList<IBNode>(); |
| private IBDropTargetListener fDropTargetListener; |
| |
| public IBDragSourceListener(TreeViewer viewer) { |
| fTreeViewer= viewer; |
| } |
| |
| public void dragStart(DragSourceEvent event) { |
| if (fDropTargetListener != null) { |
| fDropTargetListener.setEnabled(false); |
| } |
| fSelectedNodes.clear(); |
| if (event.doit) { |
| IStructuredSelection sel= (IStructuredSelection) fTreeViewer.getSelection(); |
| for (Iterator iter = sel.iterator(); iter.hasNext();) { |
| Object element = iter.next(); |
| if (element instanceof IBNode) { |
| fSelectedNodes.add((IBNode) element); |
| } |
| } |
| event.doit= !fSelectedNodes.isEmpty(); |
| } |
| } |
| |
| public void setDependentDropTargetListener(IBDropTargetListener dl) { |
| fDropTargetListener= dl; |
| } |
| |
| public void dragSetData(DragSourceEvent event) { |
| if (ResourceTransfer.getInstance().isSupportedType(event.dataType)) { |
| event.data= getResources(); |
| } |
| else if (FileTransfer.getInstance().isSupportedType(event.dataType)) { |
| event.data= getFiles(); |
| } |
| } |
| |
| private String[] getFiles() { |
| ArrayList<String> files= new ArrayList<String>(fSelectedNodes.size()); |
| for (Iterator<IBNode> iter = fSelectedNodes.iterator(); iter.hasNext();) { |
| IBNode node = iter.next(); |
| IIndexFileLocation ifl= (IIndexFileLocation) node.getAdapter(IIndexFileLocation.class); |
| if (ifl != null) { |
| IPath location= IndexLocationFactory.getAbsolutePath(ifl); |
| if (location != null) { |
| files.add(location.toOSString()); |
| } |
| } |
| } |
| return files.toArray(new String[files.size()]); |
| } |
| |
| private IFile[] getResources() { |
| ArrayList<IFile> files= new ArrayList<IFile>(fSelectedNodes.size()); |
| for (Iterator<IBNode> iter = fSelectedNodes.iterator(); iter.hasNext();) { |
| IBNode node = iter.next(); |
| IFile file= (IFile) node.getAdapter(IFile.class); |
| if (file != null) { |
| files.add(file); |
| } |
| } |
| return files.toArray(new IFile[files.size()]); |
| } |
| |
| public void dragFinished(DragSourceEvent event) { |
| if (fDropTargetListener != null) { |
| fDropTargetListener.setEnabled(true); |
| } |
| fSelectedNodes.clear(); |
| } |
| } |