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/*******************************************************************************
* 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.wsdl.ui.internal.asd.actions;
import org.eclipse.gef.GraphicalViewer;
import org.eclipse.gef.ui.actions.DirectEditAction;
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.wsdl.ui.internal.asd.facade.IASDObject;
public class ASDDirectEditAction extends DirectEditAction {
protected ISelectionProvider provider;
/**
* Same as {@link #DirectEditAction(IWorkbenchPart)}.
* @param editor the editor
*/
public ASDDirectEditAction(IEditorPart editor) {
super((IWorkbenchPart)editor);
}
/**
* Constructs a DirectEditAction using the specified part.
* @param part the workbench part
*/
public ASDDirectEditAction(IWorkbenchPart part) {
super(part);
}
/* (non-Javadoc)
* @see org.eclipse.gef.ui.actions.SelectionAction#getSelection()
*/
protected ISelection getSelection()
{
// If we're in this action, we assume the action was initiated via the graphical viewer.
// We use the graphical view to obtain the selected edit part because for us, one model
// may drive more than one edit part. So we need to find the exact edit part we wish to
// direct edit. The preferred method of determining the edit part would have been to go
// through the selection manager, then through the edit part registry. However, the selection
// manager only returns the model object (not the edit part).... and since the model object
// may drive more than one edit part, the edit part registry may return the "wrong" edit
// part for direct editing. Thus we look call GraphicalViewer.getFocusEditPart().
IEditorPart editor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
Object object = editor.getAdapter(GraphicalViewer.class);
if (object instanceof GraphicalViewer) {
Object selection = ((GraphicalViewer) object).getFocusEditPart();
return new StructuredSelection(selection);
}
return super.getSelection();
}
/* (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;
}
protected boolean calculateEnabled() {
Object selection = ((IStructuredSelection) getSelection()).getFirstElement();
if (selection instanceof IASDObject) {
return !((IASDObject) selection).isReadOnly();
}
return true;
}
}
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