CaseManagementCanvasCommandFactory.java

/*
 * Copyright 2017 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.cm.client.command;

import java.util.Optional;
import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;

import org.kie.workbench.common.stunner.cm.qualifiers.CaseManagementEditor;
import org.kie.workbench.common.stunner.core.client.canvas.AbstractCanvasHandler;
import org.kie.workbench.common.stunner.core.client.canvas.command.DefaultCanvasCommandFactory;
import org.kie.workbench.common.stunner.core.client.command.CanvasCommand;
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.content.view.View;
import org.kie.workbench.common.stunner.core.graph.processing.traverse.tree.TreeWalkTraverseProcessor;

@ApplicationScoped
@CaseManagementEditor
public class CaseManagementCanvasCommandFactory extends DefaultCanvasCommandFactory {

    @Inject
    public CaseManagementCanvasCommandFactory(final TreeWalkTraverseProcessor treeWalkTraverseProcessor) {
        super(treeWalkTraverseProcessor);
    }

    @Override
    public CanvasCommand<AbstractCanvasHandler> draw() {
        return new CaseManagementDrawCommand();
    }

    @Override
    public CanvasCommand<AbstractCanvasHandler> addChildNode(final Node parent,
                                                             final Node child,
                                                             final String shapeSetId) {
        return new CaseManagementAddChildCommand(parent,
                                                 child,
                                                 shapeSetId);
    }

    @Override
    public CanvasCommand<AbstractCanvasHandler> setChildNode(final Node parent,
                                                             final Node child) {
        return new CaseManagementSetChildCommand(parent,
                                                 child);
    }

    public CanvasCommand<AbstractCanvasHandler> setChildNode(final Node parent,
                                                             final Node child,
                                                             final Optional<Integer> index,
                                                             final Optional<Node> originalParent,
                                                             final Optional<Integer> originalIndex) {
        return new CaseManagementSetChildCommand(parent,
                                                 child,
                                                 index,
                                                 originalParent,
                                                 originalIndex);
    }

    @Override
    public CanvasCommand<AbstractCanvasHandler> removeChild(final Node parent,
                                                            final Node candidate) {
        return new CaseManagementRemoveChildCommand(parent,
                                                    candidate);
    }

    @Override
    //This command is used to update a Node location following 'Drag', 'Resize' or 'Add from Palette' operations
    //Case Management does not update the location of any Nodes, preserving the layout information that may have
    //been set using the full BPMN2 editor. This command equates to a NOP for Case Management.
    public CanvasCommand<AbstractCanvasHandler> updatePosition(final Node<View<?>, Edge> element,
                                                               final Double x,
                                                               final Double y) {
        return new CaseManagementUpdatePositionCommand(element,
                                                       x,
                                                       y);
    }
}