/// <summary>
/// 初始化此控件.
/// </summary>
public PageView Init(int page = 0)
{
if (horizontal)
{
content.pivot = new Vector2(0, 0.5f); //内容的原点在最左边.
}
else if (vertical)
{
content.pivot = new Vector2(0.5f, 1f); //内容的原点在最上边.
}
m_totalPage = content.childCount - 1;
// Vector2 itemPos = Vector2.one;
// Vector2 itemSize = Vector2.one;
// Vector2 itemAnchorMin = Vector2.one;
// Vector2 itemAnchorMax = Vector2.one;
// Vector2 itemPivot = Vector2.one;
// Vector2 itemOffsetMin = Vector2.one;
// Vector2 itemOffsetMax = Vector2.one;
// List<Vector2> pos = new List<Vector2>();
//
// if (content.childCount > 0) {
// RectTransform child = content.GetChild (0).transform as RectTransform;
// itemSize = child.sizeDelta;
// itemPos = child.anchoredPosition;
// itemAnchorMin = child.anchorMin;
// itemAnchorMax = child.anchorMax;
// itemPivot = child.pivot;
// itemOffsetMin = child.offsetMin;
// itemOffsetMax = child.offsetMax;
// foreach (RectTransform ch in content)
// {
// pos.Add(ch.anchoredPosition);
// }
// }
LayoutGroup group = transform.GetComponentInChildren <LayoutGroup>();
if (group && Application.isPlaying)
{
group.enabled = false;
}
int i = 0;
foreach (RectTransform child in content)
{
// itemPivot = child.pivot;
// child.offsetMin = itemOffsetMin;
// child.offsetMax = itemOffsetMax;
// child.anchorMin = itemAnchorMin;
// child.anchorMax = itemAnchorMax;
// child.sizeDelta = itemSize;
// child.anchoredPosition = pos[i];
PageItem item = child.GetComponent <PageItem>();
if (item == null)
{
item = child.gameObject.AddComponent <PageItem>();
}
item.index = i;
// LayoutGroup childGroup = item.GetComponent<LayoutGroup>();
// if(childGroup && childGroup.enabled){
// childGroup.enabled = false;
// childGroup.enabled = true;
// }
++i;
}
m_end = -((RectTransform)content.GetChild(0).transform).anchoredPosition;
SetContentAnchoredPosition(m_end);
if (pageIndicator)
{
pageIndicator.iPage = this;
pageIndicator.Build(totalPage + 1);
}
return(this);
}
/// <summary>
/// 切换到哪一页.
/// </summary>
/// <param name="pageIndex">从0开始.</param>
/// <param name="anim">是否显示翻页动画.默认为true.</param>
public void GotoPage(int pageIndex, bool anim = true)
{
m_drag = false;
if (m_currentPage != pageIndex)
{
if (isLoop)
{
if (pageIndex < 0)
{
pageIndex = m_totalPage;
}
else if (pageIndex > m_totalPage)
{
pageIndex = 0;
}
}
else
{
if (pageIndex < 0)
{
pageIndex = 0;
}
else if (pageIndex > m_totalPage)
{
pageIndex = m_totalPage;
}
}
m_currentPage = pageIndex;
RectTransform child = null;
foreach (Transform temp in content)
{
PageItem item = temp.gameObject.GetComponent <PageItem>();
if (item.index == pageIndex)
{
child = temp as RectTransform;
break;
}
}
if (child == null)
{
return;
}
Vector2 endPos = -child.anchoredPosition;
m_end = endPos;
_enableUpdate = true;
onPageChange.Invoke();
if (pageIndicator)
{
pageIndicator.ShowPage(child.GetComponent <PageItem>().index);
}
if (!anim)
{
_enableUpdate = false;
SetContentAnchoredPosition(m_end);
}
}
}
