/*******************************************************************************
* Copyright (c) 2011 Red Hat, Inc.
* All rights reserved.
* This program is made available under the terms of the
* Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.eclipse.bpmn2.modeler.ui.features.choreography;
import java.util.List;
import java.util.Map;
import org.eclipse.bpmn2.ChoreographyActivity;
import org.eclipse.bpmn2.di.BPMNShape;
import org.eclipse.bpmn2.modeler.core.features.BusinessObjectUtil;
import org.eclipse.bpmn2.modeler.core.features.DefaultBpmnDeleteFeature;
import org.eclipse.bpmn2.modeler.core.features.PropertyBasedFeatureContainer;
import org.eclipse.bpmn2.modeler.core.features.choreography.ChoreographyProperties;
import org.eclipse.bpmn2.modeler.core.utils.AnchorUtil;
import org.eclipse.bpmn2.modeler.core.utils.AnchorUtil.AnchorLocation;
import org.eclipse.bpmn2.modeler.core.utils.AnchorUtil.BoundaryAnchor;
import org.eclipse.bpmn2.modeler.core.utils.Tuple;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.graphiti.features.IAddFeature;
import org.eclipse.graphiti.features.ICreateFeature;
import org.eclipse.graphiti.features.IDeleteFeature;
import org.eclipse.graphiti.features.IDirectEditingFeature;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.ILayoutFeature;
import org.eclipse.graphiti.features.IMoveShapeFeature;
import org.eclipse.graphiti.features.IResizeShapeFeature;
import org.eclipse.graphiti.features.IUpdateFeature;
import org.eclipse.graphiti.features.context.IDeleteContext;
import org.eclipse.graphiti.features.context.IMoveShapeContext;
import org.eclipse.graphiti.features.context.IResizeShapeContext;
import org.eclipse.graphiti.features.impl.AbstractMoveShapeFeature;
import org.eclipse.graphiti.features.impl.DefaultResizeShapeFeature;
import org.eclipse.graphiti.mm.pictograms.Connection;
import org.eclipse.graphiti.mm.pictograms.ContainerShape;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
public class ChoreographyMessageLinkFeatureContainer extends PropertyBasedFeatureContainer {
@Override
protected String getPropertyKey() {
return ChoreographyProperties.MESSAGE_LINK;
}
@Override
protected boolean canApplyToProperty(String value) {
return new Boolean(value);
}
@Override
public ICreateFeature getCreateFeature(IFeatureProvider fp) {
return null;
}
@Override
public IAddFeature getAddFeature(IFeatureProvider fp) {
return null;
}
@Override
public IUpdateFeature getUpdateFeature(IFeatureProvider fp) {
return null;
}
@Override
public IDirectEditingFeature getDirectEditingFeature(IFeatureProvider fp) {
return null;
}
@Override
public ILayoutFeature getLayoutFeature(IFeatureProvider fp) {
return null;
}
@Override
public IMoveShapeFeature getMoveFeature(IFeatureProvider fp) {
return new AbstractMoveShapeFeature(fp) {
@Override
public void moveShape(IMoveShapeContext context) {
}
@Override
public boolean canMoveShape(IMoveShapeContext context) {
return false;
}
};
}
@Override
public IResizeShapeFeature getResizeFeature(IFeatureProvider fp) {
return new DefaultResizeShapeFeature(fp) {
@Override
public boolean canResizeShape(IResizeShapeContext context) {
return false;
}
};
}
@Override
public IDeleteFeature getDeleteFeature(IFeatureProvider fp) {
return new DefaultBpmnDeleteFeature(fp) {
@Override
public void delete(IDeleteContext context) {
ContainerShape envelope = (ContainerShape) context.getPictogramElement();
Map<AnchorLocation, BoundaryAnchor> boundaryAnchors = AnchorUtil.getBoundaryAnchors(envelope);
BoundaryAnchor topBoundaryAnchor = boundaryAnchors.get(AnchorLocation.TOP);
BoundaryAnchor bottomBoundaryAnchor = boundaryAnchors.get(AnchorLocation.BOTTOM);
modifyAffectedBands(topBoundaryAnchor);
modifyAffectedBands(bottomBoundaryAnchor);
super.delete(context);
}
private void modifyAffectedBands(BoundaryAnchor anchor) {
for (Connection connection : anchor.anchor.getIncomingConnections()) {
EObject start = connection.getStart().eContainer();
if (!(start instanceof ContainerShape)) {
continue;
}
if (!BusinessObjectUtil.containsElementOfType((PictogramElement) start, ChoreographyActivity.class)) {
continue;
}
List<ContainerShape> bands = ChoreographyUtil
.getParticipantBandContainerShapes((ContainerShape) start);
Tuple<List<ContainerShape>, List<ContainerShape>> topAndBottomBands = ChoreographyUtil
.getTopAndBottomBands(bands);
List<ContainerShape> affectedBands = anchor.locationType == AnchorLocation.BOTTOM ? topAndBottomBands
.getFirst() : topAndBottomBands.getSecond();
for (ContainerShape bottomBand : affectedBands) {
BPMNShape bpmnShape = BusinessObjectUtil.getFirstElementOfType(bottomBand, BPMNShape.class);
bpmnShape.setIsMessageVisible(false);
}
break;
}
}
};
}
}