/*
* Copyright 2016 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.kie.workbench.common.stunner.core.client.canvas.command;
import org.kie.workbench.common.stunner.core.client.canvas.AbstractCanvasHandler;
import org.kie.workbench.common.stunner.core.client.command.CanvasViolation;
import org.kie.workbench.common.stunner.core.client.shape.MutationContext;
import org.kie.workbench.common.stunner.core.command.CommandResult;
import org.kie.workbench.common.stunner.core.graph.Node;
/**
* Registers the candidate node into the canvas and docks it into the parent node.
*/
public class AddCanvasDockedNodeCommand extends AbstractCanvasCommand {
private final Node parent;
private final Node candidate;
private final String ssid;
public AddCanvasDockedNodeCommand(final Node parent,
final Node candidate,
final String ssid) {
this.parent = parent;
this.candidate = candidate;
this.ssid = ssid;
}
@Override
@SuppressWarnings("unchecked")
public CommandResult<CanvasViolation> execute(final AbstractCanvasHandler context) {
context.register(ssid,
candidate);
context.addChild(parent,
candidate);
context.dock(parent,
candidate);
context.applyElementMutation(candidate,
MutationContext.STATIC);
context.applyElementMutation(parent,
MutationContext.STATIC);
return buildResult();
}
@Override
public CommandResult<CanvasViolation> undo(final AbstractCanvasHandler context) {
return new DeleteCanvasNodeCommand(candidate,
parent).execute(context);
}
}