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/*******************************************************************************
* Copyright (c) 2013 CEA LIST.
* 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:
* Cedric Dumoulin - cedric.dumoulin@lifl.fr
******************************************************************************/
package org.eclipse.papyrus.layers3.ui.commands;
import java.util.List;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.expressions.IEvaluationContext;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.layers.stackmodel.LayersException;
import org.eclipse.papyrus.layers.stackmodel.layers.AbstractLayer;
import org.eclipse.papyrus.layers.stackmodel.layers.LayersStackApplication;
import org.eclipse.papyrus.layers.stackmodel.layers.Property;
import org.eclipse.swt.widgets.Display;
/**
* Attach a property to the selected Layer
*
* @author cedric dumoulin
*
*/
public class AttachPropertyToLayer extends AbstractLayersCommand {
/**
* Constructor.
*
*/
public AttachPropertyToLayer() {
}
/**
* @see org.eclipse.papyrus.layers3.ui.commands.AbstractLayersCommand#getCommandName()
*
* @return
*/
@Override
public String getCommandName() {
return "Attach a property";
}
/**
* @see org.eclipse.papyrus.layers3.ui.commands.AbstractLayersCommand#doExecute(org.eclipse.core.commands.ExecutionEvent, org.eclipse.core.expressions.IEvaluationContext, java.util.List)
*
* @param event
* @param context
* @param selections
*/
@Override
protected void doExecute(ExecutionEvent event, IEvaluationContext context, List<Object> selections) {
// check enable
if( ! isEnabled(context, selections)) {
return;
}
// Open the dialog to ask the new name
// TODO dialog should not be in the transaction !! put it outside !
String currentName = "";
String newName = null;
InputDialog dialog = new InputDialog(Display.getCurrent().getActiveShell(), "Attach a Property to Layer", "Enter the name of an existing property", currentName, null);
if(dialog.open() == Window.OK) {
newName = dialog.getValue();
if(newName == null || newName.length() <= 0) {
return;
}
} else {
// cancelled
return;
}
try {
LayersStackApplication application = lookupLayersStackApplicationChecked(context);
Property property = application.getPropertyRegistry().getProperty(newName);
// Get the layer
AbstractLayer layer = (AbstractLayer)getSelections(context).get(0);
layer.addPropertyInstance(property);
} catch (LayersException e) {
// silently fails
e.printStackTrace();
} catch (org.eclipse.papyrus.infra.core.resource.NotFoundException e) {
// silently fails
e.printStackTrace();
} catch (ServiceException e) {
// silently fails
e.printStackTrace();
}
}
/**
* Return true if it is possible to attach a property.
*/
@Override
public boolean isEnabled(IEvaluationContext context, List<Object> selections) {
return selectionFirstElementInstanceOf(selections, AbstractLayer.class);
}
}
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