/** Opens the diagram which contains the last selected element in the diagram viewer. */
private void openDiagram() {
Object object = null;
DocumentTreeNode documentTreeNode;
for (int i = documentTreeNodes.size() - 1; i >= 0; --i) {
documentTreeNode = documentTreeNodes.get(i);
if (documentTreeNode.getType() != DocumentTreeNodeType.DIAGRAM_CATEGORY) {
if (!(documentTreeNode.getNodeObject() instanceof Collaboration)
&& !(documentTreeNode.getNodeObject() instanceof ActivityGraph)) {
object = documentTreeNode.getNodeObject();
if ((object instanceof GraphElement)
|| (DeployHelper.getGraphElement((ModelElement) object) != null)) {
break;
}
object = null;
}
}
}
if (object == null) {
return;
}
Diagram diagram = null;
DiagramView view = DeployHelper.getDiagramView(mainFrame);
if (object instanceof Diagram) {
diagram = (Diagram) object;
} else {
if (object instanceof ModelElement) {
List<Diagram> diagrams = DeployHelper.getDiagram((ModelElement) object);
if ((view != null) && (diagrams.contains(view.getDiagram()))) {
diagram = view.getDiagram();
} else {
if (diagrams.size() > 0) {
diagram = diagrams.get(0);
}
}
} else {
diagram = DeployHelper.getDiagram((GraphElement) object);
}
}
if (diagram != null) {
if (view == null || view.getDiagram() != diagram) {
DiagramView openedView = mainFrame.getDiagramViewer().openDiagramView(diagram);
DeployHelper.updateZoomPane(openedView);
}
}
}
