public void onMouseMove(MouseMoveEvent event) {
if (isMouseDown()) {
setDragging(true);
updateCSS();
model.setX(event.getX() + model.getX() - dragStartX);
model.setY(event.getY() + model.getY() - dragStartY);
onUpdateInModel();
int clientX = event.getClientX();
int clientY = event.getClientY();
boolean outsideWindow =
clientX < 0
|| clientY < 0
|| clientX > Window.getClientWidth()
|| clientY > Window.getClientHeight();
if (outsideWindow) {
parent.save(model, true);
setDragging(false);
}
}
event.preventDefault();
}
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);
}
public HandlerRegistration addMouseMoveHandler(MouseMoveHandler handler) {
return addDomHandler(handler, MouseMoveEvent.getType());
}