+++ /dev/null
-/*******************************************************************************
- * 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 net.sourceforge.phpdt.internal.ui.dnd;
-
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
-import net.sourceforge.phpdt.internal.ui.IJavaStatusConstants;
-import net.sourceforge.phpdt.internal.ui.PHPUIMessages;
-import net.sourceforge.phpdt.internal.ui.util.SWTUtil;
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-
-import org.eclipse.core.resources.IResource;
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IAdaptable;
-import org.eclipse.core.runtime.IStatus;
-import org.eclipse.core.runtime.MultiStatus;
-import org.eclipse.jface.dialogs.ErrorDialog;
-import org.eclipse.jface.util.Assert;
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.jface.viewers.ISelectionProvider;
-import org.eclipse.jface.viewers.IStructuredSelection;
-import org.eclipse.swt.dnd.DND;
-import org.eclipse.swt.dnd.DragSourceAdapter;
-import org.eclipse.swt.dnd.DragSourceEvent;
-import org.eclipse.swt.dnd.Transfer;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.ui.part.ResourceTransfer;
-
-
-/**
- * A drag adapter that transfers the current selection as </code>
- * IResource</code>. Only those elements in the selection are part
- * of the transfer which can be converted into an <code>IResource
- * </code>.
- */
-public class ResourceTransferDragAdapter extends DragSourceAdapter implements TransferDragSourceListener {
-
- private ISelectionProvider fProvider;
-
- private static final List EMPTY_LIST= new ArrayList(0);
-
- /**
- * Creates a new ResourceTransferDragAdapter for the given selection
- * provider.
- *
- * @param provider the selection provider to access the viewer's selection
- */
- public ResourceTransferDragAdapter(ISelectionProvider provider) {
- fProvider= provider;
- Assert.isNotNull(fProvider);
- }
-
- public Transfer getTransfer() {
- return ResourceTransfer.getInstance();
- }
-
- public void dragStart(DragSourceEvent event) {
- event.doit= convertSelection().size() > 0;
- }
-
- public void dragSetData(DragSourceEvent event) {
- List resources= convertSelection();
- event.data= (IResource[]) resources.toArray(new IResource[resources.size()]);
- }
-
- public void dragFinished(DragSourceEvent event) {
- if (!event.doit)
- return;
-
- if (event.detail == DND.DROP_MOVE) {
- handleFinishedDropMove(event);
- }
- }
-
- private List convertSelection() {
- ISelection s= fProvider.getSelection();
- if (!(s instanceof IStructuredSelection))
- return EMPTY_LIST;
- IStructuredSelection selection= (IStructuredSelection)s;
- List result= new ArrayList(selection.size());
- for (Iterator iter= selection.iterator(); iter.hasNext();) {
- Object element= iter.next();
- if (element instanceof IAdaptable) {
- IAdaptable adaptable= (IAdaptable)element;
- IResource resource= (IResource)adaptable.getAdapter(IResource.class);
- if (resource != null)
- result.add(resource);
- }
- }
- return result;
- }
-
- private void handleFinishedDropMove(DragSourceEvent event) {
- MultiStatus status= new MultiStatus(
- PHPeclipsePlugin.getPluginId(),
- IJavaStatusConstants.INTERNAL_ERROR,
- PHPUIMessages.getString("ResourceTransferDragAdapter.cannot_delete_resource"), //$NON-NLS-1$
- null);
- List resources= convertSelection();
- for (Iterator iter= resources.iterator(); iter.hasNext();) {
- IResource resource= (IResource) iter.next();
- try {
- resource.delete(true, null);
- } catch (CoreException e) {
- status.add(e.getStatus());
- }
- }
- if (status.getChildren().length > 0) {
- Shell parent= SWTUtil.getShell(event.widget);
- ErrorDialog error= new ErrorDialog(parent,
- PHPUIMessages.getString("ResourceTransferDragAdapter.moving_resource"), //$NON-NLS-1$
- PHPUIMessages.getString("ResourceTransferDragAdapter.cannot_delete_files"), //$NON-NLS-1$
- status, IStatus.ERROR);
- error.open();
- }
- }
-}
-