/**
* Returns a composite command with the given initial command and the RegionContainer specific
* auto-size commands to propagate the auto-size to the regions.
*
* @param request the initial request
* @param autoSizeCommand the initial command
* @return a composite command with the initial command and the region container specific
* additional commands.
*/
protected Command getRegionContainerAutoSizeCommand(Request request, Command autoSizeCommand) {
IDiagramElementEditPart host = (IDiagramElementEditPart) getHost();
TransactionalEditingDomain domain = host.getEditingDomain();
CompositeTransactionalCommand ctc =
new CompositeTransactionalCommand(
domain,
Messages.RegionContainerResizableEditPolicy_regionContainerAutoSizeCommandLabel);
ctc.add(new CommandProxy(autoSizeCommand));
Command regionContainerAutoSizeCommand = new ICommandProxy(ctc);
// Propagate the auto-size request to the regions.
Request req = new Request();
req.setType(request.getType());
req.getExtendedData().put(REGION_AUTO_SIZE_PROPAGATOR, host);
Object object = request.getExtendedData().get(REGION_AUTO_SIZE_PROPAGATOR);
for (EditPart regionPart : getRegionParts()) {
if (object != regionPart) {
ctc.add(new CommandProxy(regionPart.getCommand(req)));
}
}
ctc.add(
CommandFactory.createICommand(
domain, new RegionContainerUpdateLayoutOperation((Node) host.getModel())));
return regionContainerAutoSizeCommand;
}
private boolean concernRegionContainer() {
boolean regionImpacted = false;
EditPart hostPart = getHost();
if (hostPart instanceof AbstractDiagramElementContainerEditPart) {
IDiagramElementEditPart ideep = (IDiagramElementEditPart) hostPart;
DDiagramElement dde = ideep.resolveDiagramElement();
regionImpacted =
dde instanceof DNodeContainer
&& new DNodeContainerExperimentalQuery((DNodeContainer) dde).isRegionContainer();
}
return regionImpacted;
}
private int getStackDirection() {
int direction = PositionConstants.NONE;
EditPart hostPart = getHost();
if (hostPart instanceof AbstractDiagramElementContainerEditPart) {
IDiagramElementEditPart ideep = (IDiagramElementEditPart) hostPart;
DDiagramElement dde = ideep.resolveDiagramElement();
if (dde instanceof DNodeContainer) {
DNodeContainerExperimentalQuery query =
new DNodeContainerExperimentalQuery((DNodeContainer) dde);
if (query.isVerticalStackContainer()) {
direction = PositionConstants.NORTH_SOUTH;
} else if (query.isHorizontaltackContainer()) {
direction = PositionConstants.EAST_WEST;
}
}
}
return direction;
}