AddConnectorCommand.java

/*
 * 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.command.Command;
import org.kie.workbench.common.stunner.core.graph.Edge;
import org.kie.workbench.common.stunner.core.graph.Node;
import org.kie.workbench.common.stunner.core.graph.command.GraphCommandExecutionContext;
import org.kie.workbench.common.stunner.core.rule.RuleViolation;

/**
 * Adds a connector shape into the canvas and sets its source node.
 */
public class AddConnectorCommand extends AbstractCanvasGraphCommand {

    private final Node source;
    private final Edge candidate;
    private final int magnetIndex;
    private final String shapeSetId;

    public AddConnectorCommand(final Node source,
                               final Edge candidate,
                               final int magnetIndex,
                               final String shapeSetId) {
        this.source = source;
        this.candidate = candidate;
        this.magnetIndex = magnetIndex;
        this.shapeSetId = shapeSetId;
    }

    @Override
    protected Command<GraphCommandExecutionContext, RuleViolation> newGraphCommand(final AbstractCanvasHandler context) {
        return new org.kie.workbench.common.stunner.core.graph.command.impl.AddConnectorCommand(source,
                                                                                                candidate,
                                                                                                magnetIndex);
    }

    @Override
    protected AbstractCanvasCommand newCanvasCommand(final AbstractCanvasHandler context) {
        return new AddCanvasConnectorCommand(candidate,
                                             shapeSetId);
    }
}