Пример #1
0
        static void GetChildEventBridges(string strType, Container container, List <EventBridge> bridges)
        {
            EventBridge bridge = container.TryGetEventBridge(strType);

            if (bridge != null)
            {
                bridges.Add(bridge);
            }
            if (container.gOwner != null)
            {
                bridge = container.gOwner.TryGetEventBridge(strType);
                if (bridge != null && !bridge.isEmpty)
                {
                    bridges.Add(bridge);
                }
            }

            int count = container.numChildren;

            for (int i = 0; i < count; ++i)
            {
                DisplayObject obj = container.GetChildAt(i);
                if (obj is Container)
                {
                    GetChildEventBridges(strType, (Container)obj, bridges);
                }
                else
                {
                    bridge = obj.TryGetEventBridge(strType);
                    if (bridge != null && !bridge.isEmpty)
                    {
                        bridges.Add(bridge);
                    }

                    if (obj.gOwner != null)
                    {
                        bridge = obj.gOwner.TryGetEventBridge(strType);
                        if (bridge != null && !bridge.isEmpty)
                        {
                            bridges.Add(bridge);
                        }
                    }
                }
            }
        }
Пример #2
0
        public bool BubbleEvent(string strType, object data)
        {
            EventContext context = EventContext.Get();

            context.initiator         = this;
            context._stopsPropagation = false;
            context._defaultPrevented = false;
            context.type = strType;
            context.data = data;
            List <EventBridge> bubbleChain = context.callChain;

            EventBridge bridge = TryGetEventBridge(strType);

            if (bridge != null && !bridge.isEmpty)
            {
                bubbleChain.Add(bridge);
            }

            if ((this is DisplayObject) && ((DisplayObject)this).gOwner != null)
            {
                bridge = ((DisplayObject)this).gOwner.TryGetEventBridge(strType);
                if (bridge != null && !bridge.isEmpty)
                {
                    bubbleChain.Add(bridge);
                }
            }

            if (this is DisplayObject)
            {
                DisplayObject element = (DisplayObject)this;
                while ((element = element.parent) != null)
                {
                    bridge = element.TryGetEventBridge(strType);
                    if (bridge != null && !bridge.isEmpty)
                    {
                        bubbleChain.Add(bridge);
                    }

                    if (element.gOwner != null)
                    {
                        bridge = element.gOwner.TryGetEventBridge(strType);
                        if (bridge != null && !bridge.isEmpty)
                        {
                            bubbleChain.Add(bridge);
                        }
                    }
                }
            }
            else if (this is GObject)
            {
                GObject element = (GObject)this;
                while ((element = element.parent) != null)
                {
                    bridge = element.TryGetEventBridge(strType);
                    if (bridge != null && !bridge.isEmpty)
                    {
                        bubbleChain.Add(bridge);
                    }
                }
            }

            int length = bubbleChain.Count;

            for (int i = length - 1; i >= 0; i--)
            {
                bubbleChain[i].CallCaptureInternal(context);
            }

            for (int i = 0; i < length; ++i)
            {
                bubbleChain[i].CallInternal(context);
                if (context._stopsPropagation)
                {
                    break;
                }
            }

            bubbleChain.Clear();
            EventContext.Return(context);
            context.initiator = null;
            context.sender    = null;
            context.data      = null;
            return(context._defaultPrevented);
        }