@Override
public void execute(ICustomContext context) {
PictogramElement[] pes = context.getPictogramElements();
if (pes != null && pes.length == 1) {
PictogramElement pe0 = pes[0];
Object bo = getBusinessObjectForPictogramElement(pe0);
if (pe0 instanceof ContainerShape && bo instanceof FlowNode) {
ContainerShape containerShape = (ContainerShape) pe0;
FlowNode flowNode = (FlowNode) bo;
try {
BPMNShape bpmnShape = DIUtils.findBPMNShape(flowNode);
if (bpmnShape.isIsExpanded()) {
Bpmn2Preferences preferences = Bpmn2Preferences.getInstance(getDiagram());
ShapeStyle ss = preferences.getShapeStyle("TASKS");
// SubProcess is expanded - resize to standard Task size
// NOTE: children tasks will be set not-visible in LayoutExpandableActivityFeature
bpmnShape.setIsExpanded(false);
GraphicsAlgorithm ga = containerShape.getGraphicsAlgorithm();
ResizeShapeContext resizeContext = new ResizeShapeContext(containerShape);
IResizeShapeFeature resizeFeature =
getFeatureProvider().getResizeShapeFeature(resizeContext);
IDimension oldSize = FeatureSupport.getCollapsedSize(containerShape);
int oldWidth = ga.getWidth();
int oldHeight = ga.getHeight();
FeatureSupport.setExpandedSize(containerShape, oldWidth, oldHeight);
int newWidth = ss.getDefaultWidth();
int newHeight = ss.getDefaultHeight();
if (newWidth < oldSize.getWidth()) oldSize.setWidth(newWidth);
if (newHeight < oldSize.getHeight()) oldSize.setHeight(newHeight);
newWidth = oldSize.getWidth();
newHeight = oldSize.getHeight();
resizeContext.setX(ga.getX() + oldWidth / 2 - newWidth / 2);
resizeContext.setY(ga.getY() + oldHeight / 2 - newHeight / 2);
resizeContext.setWidth(newWidth);
resizeContext.setHeight(newHeight);
resizeFeature.resizeShape(resizeContext);
UpdateContext updateContext = new UpdateContext(containerShape);
IUpdateFeature updateFeature = getFeatureProvider().getUpdateFeature(updateContext);
if (updateFeature.updateNeeded(updateContext).toBoolean())
updateFeature.update(updateContext);
getDiagramEditor().selectPictogramElements(new PictogramElement[] {});
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
public static void setExpandedSize(PictogramElement pe, IDimension size) {
setExpandedSize(pe, size.getWidth(), size.getHeight());
}
public static void updateExpandedSize(PictogramElement pe) {
IDimension size = GraphicsUtil.calculateSize(pe);
FeatureSupport.setExpandedSize(pe, size);
}