Attachment 4887 Details for Bug 37691 – fix

fix

EditorAreaDropAdapter.java (text/plain), 3.78 KB, created by Knut Radloff

on 2003-05-15 11:16:36 EDT

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Creator: Knut Radloff

Created: 2003-05-15 11:16:36 EDT

Size: 3.78 KB

patch

obsolete

>/*******************************************************************************
> * Copyright (c) 2000, 2003 IBM Corporation and others.
> * All rights reserved. This program and the accompanying materials 
> * are made available under the terms of the Common Public License v1.0
> * which accompanies this distribution, and is available at
> * http://www.eclipse.org/legal/cpl-v10.html
> * 
> * Contributors:
> *     IBM Corporation - initial API and implementation
> *******************************************************************************/
>
>package org.eclipse.ui.internal;
>
>import org.eclipse.core.resources.IFile;
>import org.eclipse.core.resources.IMarker;
>import org.eclipse.core.resources.IResource;
>
>import org.eclipse.swt.dnd.DND;
>import org.eclipse.swt.dnd.DropTargetAdapter;
>import org.eclipse.swt.dnd.DropTargetEvent;
>import org.eclipse.swt.widgets.Display;
>
>import org.eclipse.ui.IEditorInput;
>import org.eclipse.ui.PartInitException;
>import org.eclipse.ui.internal.misc.Assert;
>import org.eclipse.ui.part.EditorInputTransfer;
>import org.eclipse.ui.part.MarkerTransfer;
>import org.eclipse.ui.part.ResourceTransfer;
>
>/* package */ class EditorAreaDropAdapter extends DropTargetAdapter {
>	
>	private WorkbenchPage page;
>	
>	/**
>	 * Constructs a new EditorAreaDropAdapter.
>	 * @param page the workbench page
>	 */
>	public EditorAreaDropAdapter(WorkbenchPage page) {
>		this.page = page;
>	}
>
>
>	public void drop(final DropTargetEvent event) {
>		Display d = page.getWorkbenchWindow().getShell().getDisplay();
>		d.asyncExec(new Runnable() {
>			public void run() {
>				asyncDrop(event);
>			}
>		});
>	}
>
>	private void asyncDrop(DropTargetEvent event) {
>
>		/* Open Editor for generic IEditorInput */
>		if (EditorInputTransfer.getInstance().isSupportedType(event.currentDataType)) {
>			/* event.data is an array of EditorInputData, which contains an IEditorInput and 
>			 * the corresponding editorId */
>			Assert.isTrue(event.data instanceof EditorInputTransfer.EditorInputData[]);
>			EditorInputTransfer.EditorInputData[] editorInputs = (EditorInputTransfer.EditorInputData []) event.data;
>
>			try { //open all the markers
>				for (int i = 0; i < editorInputs.length; i++) {
>					String editorId = editorInputs[i].editorId;
>					IEditorInput editorInput = editorInputs[i].input;
>					page.openInternalEditor(editorInput, editorId);	
>				}
>			} catch (PartInitException e) {
>				//do nothing, user may have been trying to drag a marker with no associated file
>			}
>		}
>			
>		/* Open Editor for Marker (e.g. Tasks, Bookmarks, etc) */
>		else if (MarkerTransfer.getInstance().isSupportedType(event.currentDataType)) {
>			Assert.isTrue(event.data instanceof IMarker[]);
>			IMarker[] markers = (IMarker[]) event.data;
>			try { //open all the markers
>				for (int i = 0; i < markers.length; i++) {
>					page.openInternalEditor(markers[i]);	
>				}
>			} catch (PartInitException e) {
>				//do nothing, user may have been trying to drag a marker with no associated file
>			}
>		}
>
>		/* Open Editor for resource */
>		else if (ResourceTransfer.getInstance().isSupportedType(event.currentDataType)) {
>			Assert.isTrue(event.data instanceof IResource[]);
>			IResource[] files = (IResource[]) event.data;
>			try { //open all the files
>				for (int i = 0; i < files.length; i++) {
>					if (files[i] instanceof IFile)
>						page.openInternalEditor((IFile)files[i]);	
>				}
>			} catch (PartInitException e) {
>				//do nothing, user may have been trying to drag a folder
>			}
>		}
>			
>	}
>	public void dragEnter(DropTargetEvent event) {				
>		//make sure the file is never moved; always do a copy
>		event.detail = DND.DROP_COPY;
>	}
>	public void dragOperationChanged(DropTargetEvent event) {				
>		//make sure the file is never moved; always do a copy
>		event.detail = DND.DROP_COPY;
>	}
>}
>

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Attachments on bug 37691: 4887