103 lines
2.6 KiB
C#
103 lines
2.6 KiB
C#
|
/// Credit David Gileadi
|
||
|
|
/// Sourced from - https://bitbucket.org/UnityUIExtensions/unity-ui-extensions/pull-requests/11
|
||
|
|
|
||
|
|
using System;
|
||
|
|
using UnityEngine.Events;
|
||
|
|
using UnityEngine.EventSystems;
|
||
|
|
|
||
|
|
namespace UnityEngine.UI.Extensions
|
||
|
|
{
|
||
|
|
|
||
|
|
[RequireComponent(typeof(Selectable))]
|
||
|
|
public class StepperSide :
|
||
|
|
UIBehaviour,
|
||
|
|
IPointerClickHandler,
|
||
|
|
ISubmitHandler,
|
||
|
|
IPointerEnterHandler, IPointerExitHandler,
|
||
|
|
IPointerDownHandler, IPointerUpHandler,
|
||
|
|
ISelectHandler, IDeselectHandler
|
||
|
|
{
|
||
|
|
Selectable button { get { return GetComponent<Selectable>(); } }
|
||
|
|
|
||
|
|
Stepper stepper { get { return GetComponentInParent<Stepper>(); } }
|
||
|
|
|
||
|
|
bool leftmost { get { return button == stepper.sides[0]; } }
|
||
|
|
|
||
|
|
internal Sprite cutSprite;
|
||
|
|
|
||
|
|
protected StepperSide()
|
||
|
|
{ }
|
||
|
|
|
||
|
|
public virtual void OnPointerClick(PointerEventData eventData)
|
||
|
|
{
|
||
|
|
if (eventData.button != PointerEventData.InputButton.Left)
|
||
|
|
return;
|
||
|
|
|
||
|
|
Press();
|
||
|
|
AdjustSprite(false);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void OnSubmit(BaseEventData eventData)
|
||
|
|
{
|
||
|
|
Press();
|
||
|
|
AdjustSprite(true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void OnPointerEnter(PointerEventData eventData)
|
||
|
|
{
|
||
|
|
AdjustSprite(false);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void OnPointerExit(PointerEventData eventData)
|
||
|
|
{
|
||
|
|
AdjustSprite(true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void OnPointerDown(PointerEventData eventData)
|
||
|
|
{
|
||
|
|
AdjustSprite(false);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void OnPointerUp(PointerEventData eventData)
|
||
|
|
{
|
||
|
|
AdjustSprite(false);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void OnSelect(BaseEventData eventData)
|
||
|
|
{
|
||
|
|
AdjustSprite(false);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void OnDeselect(BaseEventData eventData)
|
||
|
|
{
|
||
|
|
AdjustSprite(true);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void Press()
|
||
|
|
{
|
||
|
|
if (!button.IsActive() || !button.IsInteractable())
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (leftmost)
|
||
|
|
{
|
||
|
|
stepper.StepDown();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
stepper.StepUp();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void AdjustSprite(bool restore)
|
||
|
|
{
|
||
|
|
var image = button.image;
|
||
|
|
if (!image || image.overrideSprite == cutSprite)
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (restore)
|
||
|
|
image.overrideSprite = cutSprite;
|
||
|
|
else
|
||
|
|
image.overrideSprite = Stepper.CutSprite(image.overrideSprite, leftmost);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|