/*******************************************************************************
* Copyright 2017 Capital One Services, LLC and Bitwise, Inc.
* 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 hydrograph.ui.graph.command;
import hydrograph.ui.graph.model.Component;
import hydrograph.ui.graph.model.Model;
import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.ui.actions.Clipboard;
// TODO: Auto-generated Javadoc
/**
* The Class ComponentCutCommand represents Cut command for Component.
*
* @author Bitwise
*/
public class SubJobCommand extends Command {
private ArrayList list = new ArrayList();
private boolean wasRemoved;
@Override
public boolean canUndo() {
return false;
}
/**
* Adds the element.
*
* @param node
* the node
* @return true, if successful
*/
public boolean addElement(Component node) {
if (!list.contains(node)) {
return list.add(node);
}
return false;
}
/* public boolean addElementLink(Link link) {
if (!links.contains(link)) {
return links.add(link);
}
return false;
}
*/
@Override
public void undo() {
Iterator<Component> it = list.iterator();
while (it.hasNext()) {
Component node = it.next();
node.getParent().addChild(node);
}
}
@Override
public boolean canExecute() {
if (list == null || list.isEmpty())
return false;
Iterator<Component> it = list.iterator();
while (it.hasNext()) {
if (!isCutNode(it.next()))
return false;
}
return true;
}
@Override
public void redo() {
Iterator it = list.iterator();
while (it.hasNext()) {
Model node = (Model) it.next();
if(node instanceof Component)
wasRemoved = ((Component)node).getParent().removeChild((Component)node);
}
}
@Override
public void execute() {
Clipboard.getDefault().setContents(list);
redo();
}
/**
* Checks if is copyable node.
*
* @param node the node
* @return true, if is copyable node
*/
public boolean isCutNode(Component node) {
if (node instanceof Component)
return true;
return false;
}
}