/**
* Get all the hidden diagram element in the hierarchy of a given diagram element.
*
* @param diagramElement Diagram element
* @return List of all the hidden parent container element
*/
private List<DDiagramElement> getHiddenParentContainerViews(DDiagramElement diagramElement) {
final List<DDiagramElement> containerViews = Lists.newArrayList();
EObject containerView = diagramElement.eContainer();
while (!(containerView instanceof DDiagram) && containerView instanceof DDiagramElement) {
final DDiagramElementQuery query = new DDiagramElementQuery((DDiagramElement) containerView);
if (query.isHidden()) {
containerViews.add((DDiagramElement) containerView);
}
containerView = containerView.eContainer();
}
return containerViews;
}
/**
* Get all the hidden existing diagram elements related to a semantic element.
*
* @param semanticElement Semantic element
* @param containerView Container view
* @return List of all existing diagram elements for the given semantic element which are
* currently hidden in the diagram
*/
private List<DDiagramElement> getHiddenExistingDiagramElements(
EObject semanticElement, DSemanticDecorator containerView) {
final List<DDiagramElement> existingDiagramElements = Lists.newArrayList();
if (containerView instanceof DSemanticDiagram) {
for (final DDiagramElement element :
((DSemanticDiagram) containerView).getDiagramElements()) {
if (semanticElement.equals(element.getTarget())) {
final DDiagramElementQuery query = new DDiagramElementQuery(element);
if (query.isHidden()) {
existingDiagramElements.add(element);
}
// Get the hidden parent container of the element to reveal,
// in order to reveal all the
// hierarchy
existingDiagramElements.addAll(getHiddenParentContainerViews(element));
}
}
}
return existingDiagramElements;
}