private void create(final IBranchPart sourceBranch, boolean newTopic) {
topic = createDummyTopic(sourceBranch, newTopic);
if (sourceBranch != null || !newTopic) {
PartRegistry partRegistry = viewer.getPartRegistry();
if (viewer instanceof AbstractViewer) ((AbstractViewer) viewer).setPartRegistry(null);
BranchPart branchPart = new BranchPart();
if (sourceBranch != null) branchPart.setOverrideBranchType(sourceBranch.getBranchType());
branch = branchPart;
branch.setModel(topic);
branch.setParent(viewer.getRootPart());
addBranchView();
branch.addNotify();
branch.getStatus().activate();
removeShadow();
if (sourceBranch != null)
((BranchPart) branch).setGraphicalPolicy(new DummyBranchPolicy(sourceBranch));
if (viewer instanceof AbstractViewer) ((AbstractViewer) viewer).setPartRegistry(partRegistry);
} else {
IPart topicPart = viewer.findPart(topic);
branch = MindMapUtils.findBranch(topicPart);
branch.getFigure().setEnabled(false);
}
branch.refresh();
}
private Point calcInitialLocation(IGraphicalViewer viewer, Rectangle bounds) {
ZoomManager zoom = viewer.getZoomManager();
bounds =
bounds
.scale(zoom.getScale())
.expand(1, 1)
.translate(viewer.getScrollPosition().getNegated());
return viewer.getControl().toDisplay(bounds.x, bounds.y + bounds.height);
}
private ITopic createDummyTopic(IBranchPart sourceBranch, boolean newTopic) {
ITopic topic;
if (sourceBranch == null && newTopic) {
ITopic centralTopic = (ITopic) viewer.getAdapter(ITopic.class);
topic = centralTopic.getOwnedWorkbook().createTopic();
centralTopic.add(topic, ITopic.DETACHED);
} else if (sourceBranch != null) {
ITopic sourceTopic = sourceBranch.getTopic();
topic = sourceTopic.getOwnedWorkbook().createTopic();
topic.setTitleText(sourceTopic.getTitleText());
topic.setStyleId(sourceTopic.getStyleId());
topic.setTitleWidth(sourceTopic.getTitleWidth());
((TopicImpl) topic).setCoreEventSupport(new CoreEventSupport());
} else {
topic = Core.getWorkbookBuilder().createWorkbook().createTopic();
}
return topic;
}
private void addBranchView() {
Layer layer = viewer.getLayer(GEF.LAYER_PRESENTATION);
if (layer != null) {
layer.add(branch.getFigure());
}
}
private void removeShadow() {
IShadowService shadowService = (IShadowService) viewer.getService(IShadowService.class);
if (shadowService != null) {
shadowService.removeShadow(branch.getTopicPart().getFigure());
}
}