protected override void OnGuestTalk(UIGuestTalkEventArgs e)
{
if (this.DragOver != null)
{
this.DragOver(this, e);
}
base.OnGuestTalk(e);
}
//protected override void Describe(UIVisitor visitor)
//{
// //describe base properties
// base.Describe(visitor);
// //describe child content
// if (uiList != null)
// {
// int j = this.uiList.Count;
// for (int i = 0; i < j; ++i)
// {
// uiList.GetElement(i).Walk(visitor);
// }
// }
//}
protected override void OnGuestTalk(UIGuestTalkEventArgs e)
{
if (this.GuestRequest != null)
{
this.GuestRequest(this, e);
}
base.OnGuestTalk(e);
}
protected virtual void OnGuestTalk(UIGuestTalkEventArgs e)
{
}
void IEventListener.ListenGuestTalk(UIGuestTalkEventArgs e)
{
}
void IEventListener.ListenGuestTalk(UIGuestTalkEventArgs e)
{
this.OnGuestTalk(e);
}
protected override void OnGuestTalk(UIGuestTalkEventArgs e)
{
//test ***
this.BackColor = Color.Green;
base.OnGuestTalk(e);
}
void SetupControllerBoxProperties(UIControllerBox controllerBox)
{
//for controller box
controllerBox.MouseUp += (s, e) =>
{
if (e.IsDragging)
{
//this is dropping
//find underlying element to drop into
var dragOverElements = FindUnderlyingElements(controllerBox);
if (dragOverElements.Count > 0)
{
//TODO: review here
//this version we select the first one
var listener = dragOverElements[0] as IEventListener;
if (listener != null)
{
var talkMsg = new UIGuestTalkEventArgs();
talkMsg.Sender = controllerBox;
talkMsg.UserMsgFlags = 3;//send drop notify
listener.ListenGuestTalk(talkMsg);
}
}
}
};
controllerBox.MouseDrag += (s, e) =>
{
MoveWithSnapToGrid(controllerBox, e.DiffCapturedX, e.DiffCapturedY);
e.MouseCursorStyle = MouseCursorStyle.Pointer;
e.CancelBubbling = true;
//test here -----------------------------------------------------
//find dragover element ***
var dragOverElements = FindUnderlyingElements(controllerBox);
if (dragOverElements.Count == 0)
{
Dictionary <UIElement, int> prevDragOverElements = controllerBox.LastestDragOverElements;
if (prevDragOverElements != null)
{
foreach (var leavingElement in prevDragOverElements.Keys)
{
var listener = leavingElement as IEventListener;
if (listener != null)
{
var talkMsg = new UIGuestTalkEventArgs();
talkMsg.Sender = controllerBox;
talkMsg.UserMsgFlags = 2;//leaving //sample only
listener.ListenGuestTalk(talkMsg);
}
}
}
controllerBox.LastestDragOverElements = null;
}
else
{
//send notification to another box
//use guest talk msg***
//check state of guest
Dictionary <UIElement, int> prevDragOverElements = controllerBox.LastestDragOverElements;
Dictionary <UIElement, int> latestDragOverElements = new Dictionary <UIElement, int>();
if (prevDragOverElements != null)
{
int j = dragOverElements.Count;
for (int i = 0; i < j; ++i)
{
var dragOverE = dragOverElements[i];
int state;
if (prevDragOverElements.TryGetValue(dragOverE, out state))
{
//found in latest drag overelement
//remove
prevDragOverElements.Remove(dragOverE);
}
latestDragOverElements.Add(dragOverE, ++state);
}
//remaining elements
foreach (var leavingElement in prevDragOverElements.Keys)
{
var listener = leavingElement as IEventListener;
if (listener != null)
{
var talkMsg = new UIGuestTalkEventArgs();
talkMsg.Sender = controllerBox;
talkMsg.UserMsgFlags = 2;//leaving //sample only
listener.ListenGuestTalk(talkMsg);
}
}
}
else
{
foreach (var drgElement in dragOverElements)
{
latestDragOverElements.Add(drgElement, 0);
}
}
controllerBox.LastestDragOverElements = latestDragOverElements;
foreach (var drgElement in latestDragOverElements.Keys)
{
var listener = drgElement as IEventListener;
if (listener != null)
{
var talkMsg = new UIGuestTalkEventArgs();
talkMsg.Sender = controllerBox;
talkMsg.UserMsgFlags = 1;//sample only
listener.ListenGuestTalk(talkMsg);
}
}
}
};
}
void IEventListener.ListenGuestTalk(UIGuestTalkEventArgs e)
{
this.OnGuestTalk(e);
}
public void ListenGuestTalk(UIGuestTalkEventArgs e)
{
}
protected virtual void OnGuestTalk(UIGuestTalkEventArgs e)
{
}
