void AddEventaHandler(Selectable st)
{
UGUIEventListener listener = st.gameObject.GetComponent <UGUIEventListener>();
if (listener == null) //防止多次AttachListener
{
if ((st is Scrollbar) || (st is InputField) || (st is Slider))
{
listener = st.gameObject.AddComponent <UGUIDragEventListenner>();
}
else
{
//此处正常button是可以响应拖拽事件但有ScrollRect作为父组件的情况下会存在冲突
bool useDrag = false;
if (st is Button)
{
ScrollRect[] rect = st.gameObject.GetComponentsInParent <ScrollRect>(true);
useDrag = (rect == null || rect.Length == 0);
}
if (useDrag)
{
listener = st.gameObject.AddComponent <UGUIDragEventListenner>();
}
else
{
listener = st.gameObject.AddComponent <UGUIEventListener>();
}
}
listener.uiHandler = this;
}
else
{
if (this == listener.uiHandler) //如果当前的和原来的一样 就不用再Attach一次
{
listener.CurSelectable = st;
return;
}
else //如果想Attach一个新的对象 先清除掉原来的
{
IUGUIEventHandler prevHandler = listener.uiHandler;
if (null != prevHandler)
{
prevHandler.RemoveEventHandler(listener.gameObject);
}
listener.uiHandler = this;
}
}
//在listenner上面记录Selectable组件
listener.CurSelectable = st;
AddEventHandlerEx(listener);
}
static int set_uiHandler(IntPtr L)
{
object o = null;
try
{
o = ToLua.ToObject(L, 1);
UGUIEventListener obj = (UGUIEventListener)o;
IUGUIEventHandler arg0 = (IUGUIEventHandler)ToLua.CheckObject <IUGUIEventHandler>(L, 2);
obj.uiHandler = arg0;
return(0);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e, o, "attempt to index uiHandler on a nil value"));
}
}
static int get_uiHandler(IntPtr L)
{
object o = null;
try
{
o = ToLua.ToObject(L, 1);
UGUIEventListener obj = (UGUIEventListener)o;
IUGUIEventHandler ret = obj.uiHandler;
ToLua.PushObject(L, ret);
return(1);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e, o, "attempt to index uiHandler on a nil value"));
}
}