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Updated ScrollConflict Manager to handle multiple patent/dependant scrollrects 

https://bitbucket.org/UnityUIExtensions/unity-ui-extensions/issues/300/scrollconflictmanager-not-working-if
pull/413/head
Simon Jackson 2019-09-25 14:02:40 +01:00
parent 15f5ff7886
commit af4cb4428d
1 changed files with 28 additions and 10 deletions
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38
Scripts/Utilities/ScrollConflictManager.cs
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@ -1,5 +1,6 @@
/// Credit srinivas sunil
/// sourced from: https://bitbucket.org/ddreaper/unity-ui-extensions/pull-requests/21/develop_53/diff
/// Updated by Hiep Eldest : https://bitbucket.org/UnityUIExtensions/unity-ui-extensions/issues/300/scrollconflictmanager-not-working-if
using UnityEngine.EventSystems;
@ -14,8 +15,10 @@ namespace UnityEngine.UI.Extensions
public class ScrollConflictManager : MonoBehaviour, IBeginDragHandler, IEndDragHandler, IDragHandler
{
public ScrollRect ParentScrollRect;
public ScrollSnap ParentScrollSnap;
private ScrollRect _myScrollRect;
private IBeginDragHandler[] _beginDragHandlers;
private IEndDragHandler[] _endDragHandlers;
private IDragHandler[] _dragHandlers;
//This tracks if the other one should be scrolling instead of the current one.
private bool scrollOther;
//This tracks wether the other one should scroll horizontally or vertically.
@ -41,6 +44,13 @@ namespace UnityEngine.UI.Extensions
}
}
void Start()
{
_beginDragHandlers = ParentScrollRect.GetComponents<IBeginDragHandler>();
_dragHandlers = ParentScrollRect.GetComponents<IDragHandler>();
_endDragHandlers = ParentScrollRect.GetComponents<IEndDragHandler>();
}
//IBeginDragHandler
public void OnBeginDrag(PointerEventData eventData)
{
@ -54,8 +64,10 @@ namespace UnityEngine.UI.Extensions
scrollOther = true;
//disable the current scroll rect so it doesnt move.
_myScrollRect.enabled = false;
ParentScrollRect.OnBeginDrag(eventData);
ParentScrollSnap.OnBeginDrag(eventData);
for (int i = 0, length = _beginDragHandlers.Length; i < length; i++)
{
_beginDragHandlers[i].OnBeginDrag(eventData);
}
}
}
else if (vertical > horizontal)
@ -63,8 +75,10 @@ namespace UnityEngine.UI.Extensions
scrollOther = true;
//disable the current scroll rect so it doesnt move.
_myScrollRect.enabled = false;
ParentScrollRect.OnBeginDrag(eventData);
ParentScrollSnap.OnBeginDrag(eventData);
for (int i = 0, length = _beginDragHandlers.Length; i < length; i++)
{
_beginDragHandlers[i].OnBeginDrag(eventData);
}
}
}
@ -73,10 +87,12 @@ namespace UnityEngine.UI.Extensions
{
if (scrollOther)
{
scrollOther = false;
_myScrollRect.enabled = true;
ParentScrollRect.OnEndDrag(eventData);
ParentScrollSnap.OnEndDrag(eventData);
scrollOther = false;
for (int i = 0, length = _endDragHandlers.Length; i < length; i++)
{
_endDragHandlers[i].OnEndDrag(eventData);
}
}
}
@ -85,8 +101,10 @@ namespace UnityEngine.UI.Extensions
{
if (scrollOther)
{
ParentScrollRect.OnDrag(eventData);
ParentScrollSnap.OnDrag(eventData);
for (int i = 0, length = _endDragHandlers.Length; i < length; i++)
{
_dragHandlers[i].OnDrag(eventData);
}
}
}
}