/// <summary>
/// Gets the height of the item.
/// </summary>
/// <returns>The item height.</returns>
/// <param name="item">Item.</param>
float CalculateItemHeight(TItem item)
{
if (defaultItemLayoutGroup == null)
{
defaultItemLayoutGroup = DefaultItemCopy.GetComponent <LayoutGroup>();
}
float height = 0f;
if (!IsCanCalculateHeight || ForceAutoHeightCalculation)
{
if (defaultItemLayoutGroup != null)
{
DefaultItemCopy.gameObject.SetActive(true);
SetData(DefaultItemCopy, item);
Utilites.UpdateLayout(defaultItemLayoutGroup);
height = LayoutUtility.GetPreferredHeight(DefaultItemCopyRect);
DefaultItemCopy.gameObject.SetActive(false);
}
}
else
{
SetData(DefaultItemCopy, item);
height = (DefaultItemCopy as IListViewItemHeight).Height;
}
return(height);
}
/// <summary>
/// Init this instance.
/// </summary>
public void Init()
{
canvas = Utilites.FindTopmostCanvas(transform).GetComponent <Canvas>();
Utilites.UpdateLayout(transform.parent.GetComponent <LayoutGroup>());
transform.parent.GetComponentsInChildren <Splitter>().ForEach(x => x.InitSizes());
}
/// <summary>
/// Updates the layout.
/// </summary>
public void UpdateLayout()
{
Utilites.UpdateLayout(Layout);
if (fitter != null)
{
fitter.SetLayoutHorizontal();
fitter.SetLayoutVertical();
}
}
void Start()
{
layout = GetComponent <LayoutGroup>();
if (layout != null)
{
Utilites.UpdateLayout(layout);
}
Init();
}
void Start()
{
var layout = GetComponent <HorizontalOrVerticalLayoutGroup>();
if (layout)
{
Utilites.UpdateLayout(layout);
}
Init();
}
/// <summary>
/// Initializes a new instance of the <see cref="UIWidgets.StandardLayoutBridge"/> class.
/// </summary>
/// <param name="layout">Layout.</param>
/// <param name="defaultItem">Default item.</param>
/// <param name="updateContentSizeFitter">Update ContentSizeFitter on direction change.</param>
public StandardLayoutBridge(HorizontalOrVerticalLayoutGroup layout, RectTransform defaultItem, bool updateContentSizeFitter = true)
{
Utilites.UpdateLayout(layout);
Layout = layout;
DefaultItem = defaultItem;
UpdateContentSizeFitter = updateContentSizeFitter;
isHorizontal = layout is HorizontalLayoutGroup;
var firstFillerGO = new GameObject("FirstFiller");
var firstFillerTransform = firstFillerGO.transform as RectTransform;
if (firstFillerTransform == null)
{
firstFillerTransform = firstFillerGO.AddComponent <RectTransform>();
}
firstFillerTransform.SetParent(Layout.transform, false);
firstFillerTransform.localScale = Vector3.one;
FirstFiller = firstFillerGO.AddComponent <LayoutElement>();
var lastFillerGO = new GameObject("LastFiller");
var lastFillerTransform = lastFillerGO.transform as RectTransform;
if (lastFillerTransform == null)
{
lastFillerTransform = lastFillerGO.AddComponent <RectTransform>();
}
lastFillerTransform.SetParent(Layout.transform, false);
lastFillerTransform.localScale = Vector3.one;
LastFiller = lastFillerGO.AddComponent <LayoutElement>();
var size = GetItemSize();
if (IsHorizontal)
{
firstFillerTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, size.y);
lastFillerTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, size.y);
}
else
{
firstFillerTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, size.x);
lastFillerTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, size.x);
}
fitter = Layout.GetComponent <ContentSizeFitter>();
}
/// <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>
/// Raises the drag event.
/// </summary>
/// <param name="eventData">Event data.</param>
public void OnDrag(PointerEventData eventData)
{
if (!processDrag)
{
return;
}
if (canvas == null)
{
throw new MissingComponentException(gameObject.name + " not in Canvas hierarchy.");
}
Cursor.SetCursor(CursorTexture, CursorHotSpot, Utilites.GetCursorMode());
Vector2 p1;
RectTransformUtility.ScreenPointToLocalPointInRectangle(RectTransform, eventData.position, CurrentCamera, out p1);
Vector2 p2;
RectTransformUtility.ScreenPointToLocalPointInRectangle(RectTransform, eventData.position - eventData.delta, CurrentCamera, out p2);
var delta = p1 - p2;
if (delta.x > 0)
{
leftTarget.preferredWidth = Mathf.Min(leftTarget.preferredWidth + delta.x, widthLimit - rightTarget.minWidth);
rightTarget.preferredWidth = widthLimit - leftTarget.preferredWidth;
}
else
{
rightTarget.preferredWidth = Mathf.Min(rightTarget.preferredWidth - delta.x, widthLimit - leftTarget.minWidth);
leftTarget.preferredWidth = widthLimit - rightTarget.preferredWidth;
}
if (layout != null)
{
Utilites.UpdateLayout(layout);
}
if (OnDragUpdate)
{
CalculateWidths();
Resize();
}
}
/// <summary>
/// Gets the height of the item.
/// </summary>
/// <returns>The item height.</returns>
/// <param name="item">Item.</param>
float CalculateItemHeight(string item)
{
if (defaultItemLayoutGroup == null)
{
defaultItemLayoutGroup = DefaultItemCopy.GetComponent <LayoutGroup>();
}
float height = 0f;
if (defaultItemLayoutGroup != null)
{
DefaultItemCopy.gameObject.SetActive(true);
DefaultItemCopy.SetData(item);
Utilites.UpdateLayout(defaultItemLayoutGroup);
height = LayoutUtility.GetPreferredHeight(DefaultItemCopyRect);
DefaultItemCopy.gameObject.SetActive(false);
}
return(height);
}
/// <summary>
/// Updates the layout.
/// </summary>
protected void UpdateLayout()
{
Utilites.UpdateLayout(GetComponent <LayoutGroup>());
}
/// <summary>
/// Updates the layout.
/// </summary>
public void UpdateLayout()
{
Utilites.UpdateLayout(Layout);
}