/*
* Copyright 2005 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.eclipse.flow.common.editor.core.command;
import org.drools.eclipse.flow.common.editor.core.ElementWrapper;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.commands.Command;
/**
* A command for changing a constraint.
*/
public class ChangeConstraintCommand extends Command {
private ElementWrapper element;
private Rectangle constraint;
private Rectangle oldConstraint;
public void execute() {
element.setConstraint(constraint);
}
public void setConstraint(Rectangle rect) {
constraint = rect;
}
public void setElement(ElementWrapper element) {
this.element = element;
oldConstraint = element.getConstraint();
}
public void undo() {
element.setConstraint(oldConstraint);
}
}