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/*******************************************************************************
* Copyright (c) 2008 Conselleria de Infraestructuras y Transporte, Generalitat
* de la Comunitat Valenciana . 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: Francisco Javier Cano Muñoz (Prodevelop) - Initial implementation
*
******************************************************************************/
package org.eclipse.papyrus.navigator.actions;
import java.util.Collection;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.domain.IEditingDomainProvider;
import org.eclipse.emf.edit.ui.action.CommandActionHandler;
import org.eclipse.emf.transaction.RecordingCommand;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.papyrus.navigator.internal.utils.NavigatorUtils;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.uml2.uml.NamedElement;
/**
* Action to rename a {@link NamedElement} in the Model Explorer. This action is binded to the "F2"
* key.
*
* @author <a href="mailto:fjcano@prodevelop.es">Francisco Javier Cano Muñoz</a>
* @see <a href="https://bugs.eclipse.org/bugs/show_bug.cgi?id=290514">Bug #290514</a>
*/
public class RenameNamedElementAction extends CommandActionHandler {
/**
* Constructor binds this action to the "F2" key.
*
* @param editingDomain
*/
public RenameNamedElementAction(EditingDomain editingDomain) {
super(editingDomain, "Rename...");
setAccelerator(SWT.F2);
}
/**
* The selected {@link NamedElement}.
*/
private NamedElement selectedNamedElement = null;
/**
* Get the selected {@link NamedElement}.
*
* @return
*/
protected NamedElement getSelectedNamedElement() {
return selectedNamedElement;
}
/**
* Set the selected {@link NamedElement}.
*
* @param selectedNamedElement
*/
// @notused
protected void setSelectedNamedElement(NamedElement selectedNamedElement) {
this.selectedNamedElement = selectedNamedElement;
}
/**
* Update the selection.
*
* @return true if this {@link Action} is still enabled after the new selection.
*/
@Override
public boolean updateSelection(IStructuredSelection selection) {
ISelection unwrappedselection = NavigatorUtils.unwrapSelection(selection);
if(unwrappedselection instanceof StructuredSelection) {
StructuredSelection structuredSelection = (StructuredSelection)unwrappedselection;
if(structuredSelection.size() == 1) {
Object selectedObject = structuredSelection.getFirstElement();
if(selectedObject instanceof NamedElement) {
setSelectedNamedElement((NamedElement)selectedObject);
return super.updateSelection(selection);
}
}
}
setSelectedNamedElement(null);
return super.updateSelection(selection);
}
/**
* Create the {@link Command} to execute when this {@link Action} is run.
*/
@Override
public Command createCommand(Collection<?> selection) {
TransactionalEditingDomain domain = getTransactionalEditingDomain();
if(domain == null) {
return null;
}
return new RecordingCommand(domain) {
@Override
protected void doExecute() {
InputDialog dialog = new InputDialog(Display.getCurrent().getActiveShell(), "Rename an existing diagram", "New name:", getSelectedNamedElement().getName(), null);
if(dialog.open() == Window.OK) {
final String name = dialog.getValue();
getSelectedNamedElement().setName(name);
}
}
};
}
/**
* Get the {@link EditingDomain} as a {@link TransactionalEditingDomain}.
*
* @return
*/
protected TransactionalEditingDomain getTransactionalEditingDomain() {
if(getEditingDomain() instanceof TransactionalEditingDomain) {
return (TransactionalEditingDomain)getEditingDomain();
}
return null;
}
/**
* Update the active {@link IWorkbenchPart} and the active {@link EditingDomain}.
*
* @param workbenchPart
*/
public void setActiveWorkbenchPart(IWorkbenchPart workbenchPart) {
if(workbenchPart instanceof IEditingDomainProvider) {
domain = ((IEditingDomainProvider)workbenchPart).getEditingDomain();
}
}
}
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