pengtaihao
/
com.unity.uiextensions
mirror of https://github.com/Unity-UI-Extensions/com.unity.uiextensions
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Updated ScrollConflictManager with fix from Jared Turner #85

pull/413/head
Simon (Darkside) Jackson 2019-03-07 17:04:10 +00:00
parent e813cd70a9
commit 22b2ec2ec2
1 changed files with 92 additions and 87 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

179
Scripts/Utilities/ScrollConflictManager.cs
View File

@ -1,88 +1,93 @@
/// Credit srinivas sunil
/// sourced from: https://bitbucket.org/ddreaper/unity-ui-extensions/pull-requests/21/develop_53/diff
using UnityEngine.EventSystems;
/// <summary>
/// This is the most efficient way to handle scroll conflicts when there are multiple scroll rects, this is useful when there is a vertical scrollrect in/on a horizontal scrollrect or vice versa
/// Attach the script to the rect scroll and assign other rectscroll in the inspecter (one is verticle and other is horizontal) gathered and modified from unity answers(delta snipper)
/// </summary>
namespace UnityEngine.UI.Extensions
{
[RequireComponent(typeof(ScrollRect))]
[AddComponentMenu("UI/Extensions/Scrollrect Conflict Manager")]
public class ScrollConflictManager : MonoBehaviour, IBeginDragHandler, IEndDragHandler, IDragHandler
{
public ScrollRect ParentScrollRect;
private ScrollRect _myScrollRect;
//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.
private bool scrollOtherHorizontally;
void Awake()
{
//Get the current scroll rect so we can disable it if the other one is scrolling
_myScrollRect = this.GetComponent<ScrollRect>();
//If the current scroll Rect has the vertical checked then the other one will be scrolling horizontally.
scrollOtherHorizontally = _myScrollRect.vertical;
//Check some attributes to let the user know if this wont work as expected
if (scrollOtherHorizontally)
{
if (_myScrollRect.horizontal)
Debug.Log("You have added the SecondScrollRect to a scroll view that already has both directions selected");
if (!ParentScrollRect.horizontal)
Debug.Log("The other scroll rect doesnt support scrolling horizontally");
}
else if (!ParentScrollRect.vertical)
{
Debug.Log("The other scroll rect doesnt support scrolling vertically");
}
}
//IBeginDragHandler
public void OnBeginDrag(PointerEventData eventData)
{
//Get the absolute values of the x and y differences so we can see which one is bigger and scroll the other scroll rect accordingly
float horizontal = Mathf.Abs(eventData.position.x - eventData.pressPosition.x);
float vertical = Mathf.Abs(eventData.position.y - eventData.pressPosition.y);
if (scrollOtherHorizontally)
{
if (horizontal > vertical)
{
scrollOther = true;
//disable the current scroll rect so it doesnt move.
_myScrollRect.enabled = false;
ParentScrollRect.OnBeginDrag(eventData);
}
}
else if (vertical > horizontal)
{
scrollOther = true;
//disable the current scroll rect so it doesnt move.
_myScrollRect.enabled = false;
ParentScrollRect.OnBeginDrag(eventData);
}
}
//IEndDragHandler
public void OnEndDrag(PointerEventData eventData)
{
if (scrollOther)
{
scrollOther = false;
_myScrollRect.enabled = true;
ParentScrollRect.OnEndDrag(eventData);
}
}
//IDragHandler
public void OnDrag(PointerEventData eventData)
{
if (scrollOther)
{
ParentScrollRect.OnDrag(eventData);
}
}
}
/// Credit srinivas sunil
/// sourced from: https://bitbucket.org/ddreaper/unity-ui-extensions/pull-requests/21/develop_53/diff
using UnityEngine.EventSystems;
/// <summary>
/// This is the most efficient way to handle scroll conflicts when there are multiple scroll rects, this is useful when there is a vertical scrollrect in/on a horizontal scrollrect or vice versa
/// Attach the script to the rect scroll and assign other rectscroll in the inspecter (one is verticle and other is horizontal) gathered and modified from unity answers(delta snipper)
/// </summary>
namespace UnityEngine.UI.Extensions
{
[RequireComponent(typeof(ScrollRect))]
[AddComponentMenu("UI/Extensions/Scrollrect Conflict Manager")]
public class ScrollConflictManager : MonoBehaviour, IBeginDragHandler, IEndDragHandler, IDragHandler
{
public ScrollRect ParentScrollRect;
public ScrollSnap ParentScrollSnap;
private ScrollRect _myScrollRect;
//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.
private bool scrollOtherHorizontally;
void Awake()
{
//Get the current scroll rect so we can disable it if the other one is scrolling
_myScrollRect = this.GetComponent<ScrollRect>();
//If the current scroll Rect has the vertical checked then the other one will be scrolling horizontally.
scrollOtherHorizontally = _myScrollRect.vertical;
//Check some attributes to let the user know if this wont work as expected
if (scrollOtherHorizontally)
{
if (_myScrollRect.horizontal)
Debug.Log("You have added the SecondScrollRect to a scroll view that already has both directions selected");
if (!ParentScrollRect.horizontal)
Debug.Log("The other scroll rect doesnt support scrolling horizontally");
}
else if (!ParentScrollRect.vertical)
{
Debug.Log("The other scroll rect doesnt support scrolling vertically");
}
}
//IBeginDragHandler
public void OnBeginDrag(PointerEventData eventData)
{
//Get the absolute values of the x and y differences so we can see which one is bigger and scroll the other scroll rect accordingly
float horizontal = Mathf.Abs(eventData.position.x - eventData.pressPosition.x);
float vertical = Mathf.Abs(eventData.position.y - eventData.pressPosition.y);
if (scrollOtherHorizontally)
{
if (horizontal > vertical)
{
scrollOther = true;
//disable the current scroll rect so it doesnt move.
_myScrollRect.enabled = false;
ParentScrollRect.OnBeginDrag(eventData);
ParentScrollSnap.OnBeginDrag(eventData);
}
}
else if (vertical > horizontal)
{
scrollOther = true;
//disable the current scroll rect so it doesnt move.
_myScrollRect.enabled = false;
ParentScrollRect.OnBeginDrag(eventData);
ParentScrollSnap.OnBeginDrag(eventData);
}
}
//IEndDragHandler
public void OnEndDrag(PointerEventData eventData)
{
if (scrollOther)
{
scrollOther = false;
_myScrollRect.enabled = true;
ParentScrollRect.OnEndDrag(eventData);
ParentScrollSnap.OnEndDrag(eventData);
}
}
//IDragHandler
public void OnDrag(PointerEventData eventData)
{
if (scrollOther)
{
ParentScrollRect.OnDrag(eventData);
ParentScrollSnap.OnDrag(eventData);
}
}
}
}