Ejemplo n.º 1
0
        /// <summary>
        /// Ensures that the parent is corret and that the child is not child of another container anymore.
        /// </summary>
        /// <param name="child"></param>
        protected void EnsureParent(IGuiElement child)
        {
            if (child.GetParent() != null)
            {
                child.GetParent().RemoveChild(child);
            }

            child.SetParent(this);
        }
        public void Grab()
        {
            var layout = _guiElement.GetLayout();

            // create the container where we will move the draggable inside and where we create highlight for drop targets
            DragAndDropStage = new Canvas();
            _guiElement.GetStage().AddChild(DragAndDropStage);

            // replace the guiElement with a spacer while it is draggeed
            Replacer = new Spacer(layout.GetCalculatedWidth(), layout.GetCalculatedHeight());
            _guiElement.GetParent().ReplaceChild(_guiElement, Replacer);

            OriginalPosition = new Vector2(layout.X, layout.Y);

            var absoluteGeometry = _guiElement.GetLayoutProcessingData().AbsoluteGeometry;

            layout.X = absoluteGeometry.X;
            layout.Y = absoluteGeometry.Y;
            // add the draggable on to the DragAndDropStage
            DragAndDropStage.AddChild(_guiElement);

            MousePosInComponent = new Point(
                GuiStage.MousePosition.X - layout.X,
                GuiStage.MousePosition.Y - layout.Y
                );
        }
Ejemplo n.º 3
0
        public static string GetGuiElementPath(IGuiElement element)
        {
            var path = "";

            while (element != null)
            {
                path    = element.GetType().Name + (path == "" ? "" : "." + path);
                element = element.GetParent();
            }
            return(path);
        }
Ejemplo n.º 4
0
        public void Dispatch(string eventName, IEvent e = null)
        {
            // setup the event
            if (e == null)
            {
                e = new Event {
                    Target = _component
                };
            }
            e.CurrentTarget = _component;

            if (Events.ContainsKey(eventName))
            {
                // todo: get all listeners and do them one by one. Watch if the event was stopped.
                Events[eventName].Dispatch(e);
            }

            // if the event was not stopped let it bubble
            if (_component.GetParent() != null && !e.IsStopped)
            {
                _component.GetParent().Dispatch(eventName, e);
            }
        }