private IObjectBase HandleObject; // 判断鼠标持有的对象
private void UpdateEvent()
{
RuleMouseEventBase ruleEvent = GetUpdateEvent(Event.current);
if (null == ruleEvent)
{
return;
}
if (ruleEvent is RuleMouseDownEvent)
{
RuleMouseDownEvent e = ruleEvent as RuleMouseDownEvent;
HandleObject = e.HandleTarget;
}
else if (ruleEvent is RuleMouseDragEvent)
{
RuleMouseDragEvent e = ruleEvent as RuleMouseDragEvent;
if (null != HandleObject)
{
HandleObject.SetPosition(e.CurrentPos);
}
}
else if (ruleEvent is RuleMouseUpEvent)
{
RuleMouseUpEvent e = ruleEvent as RuleMouseUpEvent;
HandleObject = e.HandleTarget;
}
}
private bool ___isMouseDown; // 判断鼠标是否是落下状态
public RuleMouseEventBase GetUpdateEvent(Event e)
{
if (null == SelectedRuleObject)
{
return(null);
}
if (null == e)
{
return(null);
}
if (e.button == 1 && e.type == EventType.ContextClick)
{
var pTarget = SelectedRuleObject.TryGetExecuterAtPos(e.mousePosition);
if (null == pTarget)
{
return(null);
}
RuleContextEvent ruleContextEvent = new RuleContextEvent(e.mousePosition, pTarget);
return(ruleContextEvent);
}
if (e.button != 0)
{
return(null);
}
if (mouseOverWindow != this)
{
RuleMouseEventBase eventClear = CheckOutWindow();
___isMouseDown = false;
___target = null;
return(eventClear);
}
switch (e.type)
{
case EventType.mouseDown:
{
___isMouseDown = true;
___mStartClickPosition = e.mousePosition;
___mLastPosition = e.mousePosition;
___target = SelectedRuleObject.TryGetExecuterAtPos(e.mousePosition);
if (null == ___target)
{
return(null);
}
RuleMouseDownEvent downEvent = new RuleMouseDownEvent(e.mousePosition, ___target);
return(downEvent);
}
case EventType.mouseUp:
{
___target = SelectedRuleObject.TryGetExecuterAtPos(e.mousePosition);
RuleMouseUpEvent upEvent = new RuleMouseUpEvent(___mStartClickPosition, e.mousePosition, ___target);
___isMouseDown = false;
return(upEvent);
}
case EventType.mouseDrag:
{
if (___isMouseDown && ___target != null)
{
RuleMouseDragEvent dragEvent = new RuleMouseDragEvent(___mLastPosition, e.mousePosition, ___target);
___mLastPosition = e.mousePosition;
return(dragEvent);
}
return(null);
}
}
return(null);
}