@Override
protected EditPolicy createChildEditPolicy(EditPart child) {
BControl control = (BControl) child.getModel();
ResizableEditPolicy policy = new ResizableEditPolicy();
BAttributeWidth atrWidth =
(BAttributeWidth) control.getAttributes().get(AttributeConstants.ATTRIBUTE_WIDTH);
BAttributeHeight atrHeight =
(BAttributeHeight) control.getAttributes().get(AttributeConstants.ATTRIBUTE_HEIGHT);
if (atrWidth.isEditable() && atrHeight.isEditable()) return policy;
if (atrWidth.isEditable()) {
policy.setResizeDirections(PositionConstants.EAST_WEST);
return policy;
}
if (atrHeight.isEditable()) {
policy.setResizeDirections(PositionConstants.NORTH_SOUTH);
return policy;
}
policy.setResizeDirections(0);
return policy;
}
@Override
protected void initAttributes() {
BAttributeCoordinates aCoordinates = new BAttributeCoordinates(null);
aCoordinates.setGroup(AbstractAttribute.ROOT);
aCoordinates.setShow(false);
aCoordinates.setEditable(false);
initAttribute(aCoordinates);
BAttributeSize aSize = new BAttributeSize(null);
aSize.setGroup(AbstractAttribute.ROOT);
aSize.setShow(false);
aSize.setEditable(false);
initAttribute(aSize);
BAttributeHeight aHeight = new BAttributeHeight(12);
aHeight.setGroup(BAttributeSize.ID);
aHeight.setShow(false);
aHeight.setEditable(false);
initAttribute(aHeight);
BAttributeWidth aWidth = new BAttributeWidth(12);
aWidth.setGroup(BAttributeSize.ID);
aWidth.setShow(false);
aWidth.setEditable(false);
initAttribute(aWidth);
initAttribute(new BAttributeBackgroundColor(ColorConstants.lightGray.getRGB()));
}
@Override
protected Command getCreateCommand(CreateRequest request) {
if (request.getType() == REQ_CREATE && getHost() instanceof AppAbstractEditPart) {
if (((BControl) ((AppAbstractEditPart) getHost()).getModel()).canHaveChildren()) {
BControl newObj = (BControl) request.getNewObject();
CreateCommand createCmd = new CreateCommand(newObj, (BControl) getHost().getModel());
Rectangle constraint = (Rectangle) getConstraintFor(request);
constraint.x = (constraint.x < 0) ? 0 : constraint.x;
constraint.y = (constraint.y < 0) ? 0 : constraint.y;
BAttributeWidth atrWidth =
(BAttributeWidth) newObj.getAttributes().get(AttributeConstants.ATTRIBUTE_WIDTH);
BAttributeHeight atrHeight =
(BAttributeHeight) newObj.getAttributes().get(AttributeConstants.ATTRIBUTE_HEIGHT);
if (atrWidth != null) {
constraint.width = Integer.valueOf(atrWidth.getValue().toString());
} else {
constraint.width = (constraint.width <= 0) ? 100 : constraint.width;
}
if (atrHeight != null) {
constraint.height = Integer.valueOf(atrHeight.getValue().toString());
} else {
constraint.height = (constraint.height <= 0) ? 100 : constraint.height;
}
createCmd.setLayout(constraint);
Command cmd = chainGuideAttachmentCommand(request, newObj, createCmd, true);
return chainGuideAttachmentCommand(request, newObj, cmd, false);
}
}
return null;
}