@Override
protected EditPolicy createChildEditPolicy(EditPart child) {
EditPolicy result = child.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
if (result == null) {
result = new NonResizableEditPolicy();
}
return result;
}
// We override reveal to show the Handles of the selected EditPart when
// scrolling
public void reveal(EditPart part) {
// In some case, the editor control is not created, but get the sync selection event.
// Fix this problem temporary.
if (getFigureCanvas() == null || getFigureCanvas().isDisposed()) {
return;
}
Viewport port = getFigureCanvas().getViewport();
IFigure target = ((GraphicalEditPart) part).getFigure();
Rectangle exposeRegion = target.getBounds().getCopy();
// Get the primary editpolicy
EditPolicy policy = part.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
// If the policy let us access the handles, proceed, otherwise
// default to original behaviour
if (!(policy instanceof ISelectionHandlesEditPolicy)) {
super.reveal(part);
return;
}
// First translate exposeRegion to the root level
target = target.getParent();
while (target != null && target != port) {
target.translateToParent(exposeRegion);
target = target.getParent();
}
// Merge selection handles if any to the exposeRegion
List handles = ((ISelectionHandlesEditPolicy) policy).getHandles();
for (Iterator iter = handles.iterator(); iter.hasNext(); ) {
AbstractHandle handle = (AbstractHandle) iter.next();
Locator locator = handle.getLocator();
locator.relocate(handle);
exposeRegion.union(handle.getBounds().getCopy());
}
exposeRegion.getExpanded(5, 5);
Dimension viewportSize = port.getClientArea().getSize();
Point topLeft = exposeRegion.getTopLeft();
Point bottomRight = exposeRegion.getBottomRight().translate(viewportSize.getNegated());
Point finalLocation = new Point();
if (viewportSize.width < exposeRegion.width)
finalLocation.x = Math.min(bottomRight.x, Math.max(topLeft.x, port.getViewLocation().x));
else finalLocation.x = Math.min(topLeft.x, Math.max(bottomRight.x, port.getViewLocation().x));
if (viewportSize.height < exposeRegion.height)
finalLocation.y = Math.min(bottomRight.y, Math.max(topLeft.y, port.getViewLocation().y));
else finalLocation.y = Math.min(topLeft.y, Math.max(bottomRight.y, port.getViewLocation().y));
getFigureCanvas().scrollSmoothTo(finalLocation.x, finalLocation.y);
}
/**
* Returns the primary edit policy
*
* @return THe primary edit policy
*/
private MarkerEventListenerEditPolicy getPrimaryEditPolicy() {
EditPart current = getHost();
EditPart parent = current.getParent();
while (parent != null && semanticCompareEditParts(parent, getHost())) {
current = parent;
parent = parent.getParent();
}
return (MarkerEventListenerEditPolicy) current.getEditPolicy(ROLE);
}
@Override
protected EditPolicy createChildEditPolicy(final EditPart child) {
final View childView = (View) child.getModel();
if (UMLVisualIDRegistry.getVisualID(childView) == this.labelVisualId) {
return new ExternalLabelPrimaryDragRoleEditPolicy();
}
EditPolicy result = child.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
if (result == null) {
result = new NonResizableEditPolicy();
}
return result;
}
@Override
protected EditPolicy createChildEditPolicy(EditPart child) {
View childView = (View) child.getModel();
switch (UMLVisualIDRegistry.getVisualID(childView)) {
case PseudostateEntryPointEditPart.VISUAL_ID:
case PseudostateExitPointEditPart.VISUAL_ID:
case ConnectionPointReferenceEditPart.VISUAL_ID:
return new BorderItemResizableEditPolicy();
}
EditPolicy result = child.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
if (result == null) {
result = new NonResizableEditPolicy();
}
return result;
}
/**
* Tests if the compartment is a compartment list
*
* @param node the node on which we want add an Overlay
* @return <code>true</code> if the compartment is managed by an {@link XYLayoutEditPolicy}
*/
protected boolean isInCompartmentList(Node node) {
IGraphicalEditPart gep =
(IGraphicalEditPart) getDecoratorTarget().getAdapter(IGraphicalEditPart.class);
if (gep != null && gep.getRoot() != null) {
EObject container = node.eContainer();
if (container instanceof View) {
EditPart EP = DiagramEditPartsUtil.getEditPartFromView((View) container, gep);
EditPolicy editPolicy = EP.getEditPolicy(EditPolicy.LAYOUT_ROLE);
if (!(editPolicy instanceof XYLayoutEditPolicy)) { // we are in a
// compartment
// list
return true;
}
}
}
return false;
}
/**
* Set all part specify and its descendant to "Moving State"
*
* @param targetedEditPart
*/
protected void stopMovingParts(Iterable<IGraphicalEditPart> targetedEditPart) {
if (targetedEditPart != null) {
for (EditPart part : targetedEditPart) {
EditPolicy editPolicy =
part.getEditPolicy(IGroupEditPolicies.GROUP_FRAMEWORK_NOTIFYING_ON_MOVE_EDIT_POLICY);
if (editPolicy instanceof GroupNotifyingOnMoveEditPolicy) {
GroupNotifyingOnMoveEditPolicy editPolicy2 = (GroupNotifyingOnMoveEditPolicy) editPolicy;
if (DebugUtils.isDebugging()) {
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append(Utils.getCorrectLabel(editPolicy2.getEObject()));
stringBuilder.append(" is stoping to move");
DebugUtils.getLog().debug(stringBuilder.toString());
}
editPolicy2.stopMoving();
}
stopMovingParts(part.getChildren());
}
}
}
/** @param editPart */
public void setEditPart(EditPart editPart) {
this.editPart = editPart;
editPart.installEditPolicy(
EditPolicy.SELECTION_FEEDBACK_ROLE,
new FeedbackEditPolicy(this, editPart.getEditPolicy(EditPolicy.SELECTION_FEEDBACK_ROLE)));
}