| /******************************************************************************* |
| * Copyright (c) 2001, 2006 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.xsd.ui.internal.adt.actions; |
| |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.GraphicalViewer; |
| import org.eclipse.gef.ui.actions.DirectEditAction; |
| import org.eclipse.gef.ui.parts.AbstractEditPartViewer; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.wst.xsd.ui.internal.adapters.XSDBaseAdapter; |
| |
| |
| public class BaseDirectEditAction extends DirectEditAction { |
| protected ISelectionProvider provider; |
| |
| /** |
| * Same as {@link #DirectEditAction(IWorkbenchPart)}. |
| * @param editor the editor |
| */ |
| public BaseDirectEditAction(IEditorPart editor) { |
| super((IWorkbenchPart)editor); |
| } |
| |
| /** |
| * Constructs a DirectEditAction using the specified part. |
| * @param part the workbench part |
| */ |
| public BaseDirectEditAction(IWorkbenchPart part) { |
| super(part); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gef.ui.actions.SelectionAction#getSelection() |
| */ |
| protected ISelection getSelection() |
| { |
| // always get selection from selection provider first |
| if (provider!=null) { |
| Object selection = provider.getSelection(); |
| if (selection instanceof StructuredSelection) { |
| Object object = ((StructuredSelection) selection).getFirstElement(); |
| if (object instanceof XSDBaseAdapter) { |
| // We need to return an EditPart as the selection. |
| IEditorPart editor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor(); |
| Object graphicalViewer = editor.getAdapter(GraphicalViewer.class); |
| if (graphicalViewer instanceof AbstractEditPartViewer) { |
| AbstractEditPartViewer viewer = (AbstractEditPartViewer) graphicalViewer; |
| EditPart editPart = (EditPart)viewer.getEditPartRegistry().get(object); |
| return new StructuredSelection(editPart); |
| } |
| } |
| } |
| } |
| |
| return super.getSelection(); |
| } |
| |
| protected boolean calculateEnabled() { |
| Object selection = ((IStructuredSelection) getSelection()).getFirstElement(); |
| |
| if (selection instanceof XSDBaseAdapter) { |
| return !((XSDBaseAdapter) selection).isReadOnly(); |
| } |
| |
| return true; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gef.ui.actions.SelectionAction#setSelectionProvider(org.eclipse.jface.viewers.ISelectionProvider) |
| */ |
| public void setSelectionProvider(ISelectionProvider provider) |
| { |
| super.setSelectionProvider(provider); |
| this.provider = provider; |
| } |
| } |