void Awake()
{
dragHandler = target as IDragHandler;
endDragHandler = target as IEndDragHandler;
beginDragHandler = target as IBeginDragHandler;
pointerClickHandler = target as IPointerClickHandler;
}
void OnBeginDragForParent(PointerEventData eventData, IBeginDragHandler parent)
{
if (null != parent)
{
parent.OnBeginDrag(eventData);
}
}
public void Setup()
{
if (Scroll == null)
{
Scroll = GetComponentInParent <ScrollRect>();
}
scrollviewParentIDragHandler = Scroll;
scrollviewParentIBeginDragHandler = Scroll;
scrollviewParentIEndDragHandler = Scroll;
}
public bool FindAndStoreNestedParent()
{
initializePotentialDragHandler = null;
beginDragHandler = null;
dragHandler = null;
endDragHandler = null;
var tr = _Adapter.transform;
// Find the first parent that implements all of the interfaces
while ((tr = tr.parent) && initializePotentialDragHandler == null)
{
initializePotentialDragHandler = tr.GetComponent(typeof(IInitializePotentialDragHandler)) as IInitializePotentialDragHandler;
if (initializePotentialDragHandler == null)
{
continue;
}
beginDragHandler = initializePotentialDragHandler as IBeginDragHandler;
if (beginDragHandler == null)
{
initializePotentialDragHandler = null;
continue;
}
dragHandler = initializePotentialDragHandler as IDragHandler;
if (dragHandler == null)
{
initializePotentialDragHandler = null;
beginDragHandler = null;
continue;
}
endDragHandler = initializePotentialDragHandler as IEndDragHandler;
if (endDragHandler == null)
{
initializePotentialDragHandler = null;
beginDragHandler = null;
dragHandler = null;
continue;
}
}
_SearchedAtLeastOnce = true;
return(initializePotentialDragHandler != null);
}
public static int OnBeginDrag(IntPtr l)
{
int result;
try
{
IBeginDragHandler beginDragHandler = (IBeginDragHandler)LuaObject.checkSelf(l);
PointerEventData eventData;
LuaObject.checkType <PointerEventData>(l, 2, out eventData);
beginDragHandler.OnBeginDrag(eventData);
LuaObject.pushValue(l, true);
result = 1;
}
catch (Exception e)
{
result = LuaObject.error(l, e);
}
return(result);
}
public virtual void OnBeginDrag(PointerEventData data)
{
this.m_DragMove = false;
this.m_Pos = data.get_position();
if (this.HasEvent((EventTriggerType)13))
{
this.Send((EventTriggerType)13, data.get_position());
}
if (!UnityEngine.Object.op_Inequality((UnityEngine.Object) this.syncEvent, (UnityEngine.Object)null))
{
return;
}
IBeginDragHandler component = (IBeginDragHandler)this.syncEvent.GetComponent <IBeginDragHandler>();
if (component == null)
{
return;
}
component.OnBeginDrag(data);
}
private static void Execute(IBeginDragHandler handler, BaseEventData eventData)
{
handler.OnBeginDrag(ValidateEventData <PointerEventData>(eventData));
}
public void FindAndStoreNestedParent()
{
parentInitializePotentialDragHandler = null;
parentBeginDragHandler = null;
parentDragHandler = null;
parentEndDragHandler = null;
parentScrollHandler = null;
var tr = _Adapter.transform;
// Find the first parent that implements all of the interfaces
while ((tr = tr.parent) && parentInitializePotentialDragHandler == null)
{
parentInitializePotentialDragHandler = tr.GetComponent(typeof(IInitializePotentialDragHandler)) as IInitializePotentialDragHandler;
if (parentInitializePotentialDragHandler == null)
{
continue;
}
parentBeginDragHandler = parentInitializePotentialDragHandler as IBeginDragHandler;
if (parentBeginDragHandler == null)
{
parentInitializePotentialDragHandler = null;
continue;
}
parentDragHandler = parentInitializePotentialDragHandler as IDragHandler;
if (parentDragHandler == null)
{
parentInitializePotentialDragHandler = null;
parentBeginDragHandler = null;
continue;
}
parentEndDragHandler = parentInitializePotentialDragHandler as IEndDragHandler;
if (parentEndDragHandler == null)
{
parentInitializePotentialDragHandler = null;
parentBeginDragHandler = null;
parentDragHandler = null;
continue;
}
}
if (parentInitializePotentialDragHandler == null)
{
// Search for the scroll handler separately, if no drag handlers present
tr = _Adapter.transform;
while ((tr = tr.parent) && parentScrollHandler == null)
{
parentScrollHandler = tr.GetComponent(typeof(IScrollHandler)) as IScrollHandler;
}
}
else
{
// Only allow the scroll handler to be taken from the drag handler, if any, so all handlers will come from the same object
parentScrollHandler = parentInitializePotentialDragHandler as IScrollHandler;
}
_SearchedAtLeastOnce = true;
}
