/*******************************************************************************
* Copyright (c) 2010-2015 Henshin developers. 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:
* TU Berlin, University of Luxembourg, SES S.A.
*******************************************************************************/
/**
*
*/
package de.tub.tfs.henshin.editor.actions.condition;
import java.util.List;
import org.eclipse.emf.henshin.model.And;
import org.eclipse.emf.henshin.model.BinaryFormula;
import org.eclipse.emf.henshin.model.Or;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.ui.actions.SelectionAction;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IWorkbenchPart;
import de.tub.tfs.henshin.editor.commands.condition.SwapBinaryFormulaCommand;
import de.tub.tfs.henshin.editor.editparts.condition.tree.ConditionTreeEditPart;
import de.tub.tfs.henshin.editor.util.IconUtil;
/**
* Swap selected OR with AND or selected AND with OR.
*
* @author Angeline Warning
*/
public class SwapBinaryFormulaAction extends SelectionAction {
/** The Constant ID. */
public static final String ID = "henshineditor.actions.rule.condition.SwapBinaryFormulaAction";
private BinaryFormula binaryFormula;
/**
* @param part
*/
public SwapBinaryFormulaAction(IWorkbenchPart part) {
super(part);
setId(ID);
setDescription("Swap binary formula");
setToolTipText("Swap binary formula (OR -> AND or AND -> OR).");
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gef.ui.actions.WorkbenchPartAction#calculateEnabled()
*/
@Override
protected boolean calculateEnabled() {
final List<?> selectedObjects = getSelectedObjects();
if (selectedObjects.size() != 1) {
return false;
}
final Object selectedObject = selectedObjects.get(0);
if ((selectedObject instanceof EditPart)) {
final EditPart editPart = (EditPart) selectedObject;
if (editPart instanceof ConditionTreeEditPart
&& editPart.getModel() instanceof BinaryFormula) {
if (editPart.getModel() instanceof And) {
setText("Swap AND -> OR");
} else if (editPart.getModel() instanceof Or) {
setText("Swap OR -> AND");
}
binaryFormula = (BinaryFormula) editPart.getModel();
return true;
}
}
return false;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
final SwapBinaryFormulaCommand command = new SwapBinaryFormulaCommand(
binaryFormula);
execute(command);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.Action#getImageDescriptor()
*/
@Override
public ImageDescriptor getImageDescriptor() {
return IconUtil.getDescriptor("swap16x16.png");
}
}