NodePresenter(VGraphExplorer parent, NodeProxy model) {
this.parent = parent;
this.model = model;
graph = parent.getGraph();
view.setTitle(model.getId());
Style style = view.getElement().getStyle();
style.setLeft(model.getX(), Unit.PX);
style.setTop(model.getY(), Unit.PX);
view.addDomHandler(this, MouseDownEvent.getType());
view.addDomHandler(this, MouseMoveEvent.getType());
view.addDomHandler(this, MouseUpEvent.getType());
parent.add(view);
}
private void limitToBoundingBox() {
Element element = view.getElement();
Style style = element.getStyle();
int width = element.getOffsetWidth();
model.setWidth(width);
int xRadius = width / 2;
int leftEdge = model.getX() - xRadius;
leftEdge = limit(0, leftEdge, parent.getOffsetWidth() - width);
model.setX(leftEdge + xRadius);
style.setLeft(leftEdge, Unit.PX);
int height = element.getOffsetHeight();
model.setHeight(height);
int yRadius = height / 2;
int topEdge = model.getY() - yRadius;
topEdge = limit(0, topEdge, parent.getOffsetHeight() - height);
model.setY(topEdge + yRadius);
style.setTop(topEdge, Unit.PX);
}