/// <summary>
/// Init this instance.
/// </summary>
protected virtual void Init()
{
if (isInited)
{
return;
}
isInited = true;
//ScrollRect.horizontal = false;
//ScrollRect.vertical = false;
var resizeListener = Utilites.GetOrAddComponent <ResizeListener>(ScrollRect);
resizeListener.OnResize.AddListener(RecalculatePages);
var contentResizeListener = Utilites.GetOrAddComponent <ResizeListener>(ScrollRect.content);
contentResizeListener.OnResize.AddListener(RecalculatePages);
var dragListener = Utilites.GetOrAddComponent <OnDragListener>(ScrollRect);
dragListener.OnDragStartEvent.AddListener(OnScrollRectDragStart);
dragListener.OnDragEvent.AddListener(OnScrollRectDrag);
dragListener.OnDragEndEvent.AddListener(OnScrollRectDragEnd);
ScrollRect.onValueChanged.AddListener(OnScrollRectValueChanged);
var scroll_listener = Utilites.GetOrAddComponent <ScrollListener>(ScrollRect);
scroll_listener.ScrollEvent.AddListener(ContainerScroll);
if (DefaultPage != null)
{
SRDefaultPage = Utilites.GetOrAddComponent <ScrollRectPage>(DefaultPage);
SRDefaultPage.gameObject.SetActive(false);
}
if (ActivePage != null)
{
SRActivePage = Utilites.GetOrAddComponent <ScrollRectPage>(ActivePage);
}
if (PrevPage != null)
{
SRPrevPage = Utilites.GetOrAddComponent <ScrollRectPage>(PrevPage);
SRPrevPage.SetPage(0);
SRPrevPage.OnPageSelect.AddListener(Prev);
}
if (NextPage != null)
{
SRNextPage = Utilites.GetOrAddComponent <ScrollRectPage>(NextPage);
SRNextPage.OnPageSelect.AddListener(Next);
}
RecalculatePages();
var page = currentPage;
currentPage = -1;
GoToPage(page);
}
/// <summary>
/// Updates the page buttons.
/// </summary>
protected virtual void UpdatePageButtons()
{
if (SRDefaultPage == null)
{
return;
}
DefaultPages.RemoveAll(IsNullComponent);
if (DefaultPages.Count == Pages)
{
return;
}
if (DefaultPages.Count < Pages)
{
DefaultPagesCache.RemoveAll(IsNullComponent);
for (int i = DefaultPages.Count; i < Pages; i++)
{
AddComponent(i);
}
if (SRNextPage != null)
{
SRNextPage.SetPage(Pages - 1);
SRNextPage.transform.SetAsLastSibling();
}
}
else
{
for (int i = Pages; i < DefaultPages.Count; i++)
{
DefaultPages[i].gameObject.SetActive(false);
DefaultPagesCache.Add(DefaultPages[i]);
}
DefaultPages.RemoveRange(Pages, DefaultPages.Count - Pages);
if (SRNextPage != null)
{
SRNextPage.SetPage(Pages - 1);
}
}
LayoutUtilites.UpdateLayout(DefaultPage.parent.GetComponent <LayoutGroup>());
}
/// <summary>
/// Updates the page buttons.
/// </summary>
protected virtual void UpdatePageButtons()
{
if (SRDefaultPage == null)
{
return;
}
DefaultPages.RemoveAll(IsNullComponent);
if (DefaultPages.Count == Pages)
{
return;
}
if (DefaultPages.Count < Pages)
{
DefaultPagesCache.RemoveAll(IsNullComponent);
Enumerable.Range(DefaultPages.Count, Pages - DefaultPages.Count).ForEach(AddComponent);
if (SRNextPage != null)
{
SRNextPage.SetPage(Pages - 1);
SRNextPage.transform.SetAsLastSibling();
}
}
else
{
var to_cache = DefaultPages.GetRange(Pages, DefaultPages.Count - Pages); //.OrderByDescending<ScrollRectPage,int>(GetPageNumber);
to_cache.ForEach(x => x.gameObject.SetActive(false));
DefaultPagesCache.AddRange(to_cache);
DefaultPages.RemoveRange(Pages, DefaultPages.Count - Pages);
if (SRNextPage != null)
{
SRNextPage.SetPage(Pages - 1);
}
}
Utilites.UpdateLayout(DefaultPage.parent.GetComponent <LayoutGroup>());
}
/// <summary>
/// Update objects.
/// </summary>
/// <param name="page">Page.</param>
protected virtual void UpdateObjects(int page)
{
if (SRDefaultPage != null)
{
if ((currentPage >= 0) && (currentPage < DefaultPages.Count))
{
DefaultPages[currentPage].gameObject.SetActive(true);
}
DefaultPages[page].gameObject.SetActive(false);
SRActivePage.SetPage(page);
SRActivePage.transform.SetSiblingIndex(DefaultPages[page].transform.GetSiblingIndex());
}
if (SRPrevPage != null)
{
SRPrevPage.gameObject.SetActive(page != 0);
}
if (SRNextPage != null)
{
SRNextPage.gameObject.SetActive(page != (Pages - 1));
}
}
/// <summary>
/// Update objects.
/// </summary>
/// <param name="page">Page.</param>
protected virtual void UpdateObjects(int page)
{
if (SRDefaultPage != null)
{
foreach (var dp in DefaultPages)
{
dp.gameObject.SetActive(true);
}
DefaultPages[page].gameObject.SetActive(false);
SRActivePage.SetPage(page);
SRActivePage.transform.SetSiblingIndex(DefaultPages[page].transform.GetSiblingIndex());
}
if (SRPrevPage != null)
{
SRPrevPage.gameObject.SetActive(page != 0);
}
if (SRNextPage != null)
{
SRNextPage.gameObject.SetActive(page != (Pages - 1));
}
}
/// <summary>
/// Go to page.
/// </summary>
/// <param name="page">Page.</param>
/// <param name="forceUpdate">If set to <c>true</c> force update.</param>
protected virtual void GoToPage(int page, bool forceUpdate)
{
page = Mathf.Clamp(page, 0, Pages - 1);
if ((currentPage == page) && (!forceUpdate))
{
return;
}
if (isAnimationRunning)
{
isAnimationRunning = false;
if (currentAnimation != null)
{
StopCoroutine(currentAnimation);
}
}
var endPosition = GetPagePosition(page);
if (IsHorizontal())
{
endPosition *= -1;
}
if (Animation)
{
isAnimationRunning = true;
var startPosition = IsHorizontal() ? ScrollRect.content.anchoredPosition.x : ScrollRect.content.anchoredPosition.y;
currentAnimation = RunAnimation(IsHorizontal(), startPosition, endPosition, UnscaledTime);
StartCoroutine(currentAnimation);
}
else
{
if (IsHorizontal())
{
ScrollRect.content.anchoredPosition = new Vector2(endPosition, ScrollRect.content.anchoredPosition.y);
}
else
{
ScrollRect.content.anchoredPosition = new Vector2(ScrollRect.content.anchoredPosition.x, endPosition);
}
}
if ((SRDefaultPage != null) && (currentPage != page))
{
if (currentPage >= 0)
{
DefaultPages[currentPage].gameObject.SetActive(true);
}
DefaultPages[page].gameObject.SetActive(false);
SRActivePage.SetPage(page);
SRActivePage.transform.SetSiblingIndex(DefaultPages[page].transform.GetSiblingIndex());
}
if (SRPrevPage != null)
{
SRPrevPage.gameObject.SetActive(page != 0);
}
if (SRNextPage != null)
{
SRNextPage.gameObject.SetActive(page != (Pages - 1));
}
currentPage = page;
OnPageSelect.Invoke(currentPage);
}
/// <summary>
/// Start this instance.
/// </summary>
protected virtual void Start()
{
if (isStarted)
{
return;
}
isStarted = true;
var resizeListener = ScrollRect.GetComponent <ResizeListener>();
if (resizeListener == null)
{
resizeListener = ScrollRect.gameObject.AddComponent <ResizeListener>();
}
resizeListener.OnResize.AddListener(RecalculatePages);
var contentResizeListener = ScrollRect.content.GetComponent <ResizeListener>();
if (contentResizeListener == null)
{
contentResizeListener = ScrollRect.content.gameObject.AddComponent <ResizeListener>();
}
contentResizeListener.OnResize.AddListener(RecalculatePages);
var dragListener = ScrollRect.GetComponent <OnDragListener>();
if (dragListener == null)
{
dragListener = ScrollRect.gameObject.AddComponent <OnDragListener>();
}
dragListener.OnDragStartEvent.AddListener(OnScrollRectDragStart);
dragListener.OnDragEvent.AddListener(OnScrollRectDrag);
dragListener.OnDragEndEvent.AddListener(OnScrollRectDragEnd);
ScrollRect.onValueChanged.AddListener(OnScrollRectValueChanged);
if (DefaultPage != null)
{
SRDefaultPage = DefaultPage.GetComponent <ScrollRectPage>();
if (SRDefaultPage == null)
{
SRDefaultPage = DefaultPage.gameObject.AddComponent <ScrollRectPage>();
}
SRDefaultPage.gameObject.SetActive(false);
}
if (ActivePage != null)
{
SRActivePage = ActivePage.GetComponent <ScrollRectPage>();
if (SRActivePage == null)
{
SRActivePage = ActivePage.gameObject.AddComponent <ScrollRectPage>();
}
}
if (PrevPage != null)
{
SRPrevPage = PrevPage.GetComponent <ScrollRectPage>();
if (SRPrevPage == null)
{
SRPrevPage = PrevPage.gameObject.AddComponent <ScrollRectPage>();
}
SRPrevPage.SetPage(0);
SRPrevPage.OnPageSelect.AddListener(Prev);
}
if (NextPage != null)
{
SRNextPage = NextPage.GetComponent <ScrollRectPage>();
if (SRNextPage == null)
{
SRNextPage = NextPage.gameObject.AddComponent <ScrollRectPage>();
}
SRNextPage.OnPageSelect.AddListener(Next);
}
RecalculatePages();
var page = currentPage;
currentPage = -1;
GoToPage(page);
}