protected bool IsRectInScrollArea(ref stRect rect)
{
Vector2 zero = Vector2.zero;
zero.x = m_contentRectTransform.anchoredPosition.x + (float)rect.m_left;
zero.y = m_contentRectTransform.anchoredPosition.y + (float)rect.m_top;
return(zero.x + (float)rect.m_width >= 0f && zero.x <= scrollAreaSize.x && zero.y - (float)rect.m_height <= 0f && zero.y >= -scrollAreaSize.y);
}
public bool IsElementInScrollArea(int index)
{
if (index < 0 || index >= elementAmount)
{
return(false);
}
stRect stRect = (!useOptimized) ? m_elementScripts[index].m_rect : m_elementsRect[index];
return(IsRectInScrollArea(ref stRect));
}
protected stRect LayoutElement(int index, ref Vector2 contentSize, ref Vector2 offset)
{
stRect result = default(stRect);
result.m_width = (int)((m_elementsSize != null && listType != enUIListType.Vertical && listType != enUIListType.VerticalGrid && listType != enUIListType.HorizontalGrid) ? m_elementsSize[index].x : m_elementDefaultSize.x);
result.m_height = (int)((m_elementsSize != null && listType != enUIListType.Horizontal && listType != enUIListType.VerticalGrid && listType != enUIListType.HorizontalGrid) ? m_elementsSize[index].y : m_elementDefaultSize.y);
result.m_left = (int)offset.x;
result.m_top = (int)offset.y;
result.m_right = result.m_left + result.m_width;
result.m_bottom = result.m_top - result.m_height;
result.m_center = new Vector2((float)result.m_left + (float)result.m_width * 0.5f, (float)result.m_top - (float)result.m_height * 0.5f);
if ((float)result.m_right > contentSize.x)
{
contentSize.x = (float)result.m_right;
}
if ((float)(-(float)result.m_bottom) > contentSize.y)
{
contentSize.y = (float)(-(float)result.m_bottom);
}
switch (listType)
{
case enUIListType.Vertical:
offset.y -= (float)result.m_height + elementSpacing.y;
break;
case enUIListType.Horizontal:
offset.x += (float)result.m_width + elementSpacing.x;
break;
case enUIListType.VerticalGrid:
offset.x += (float)result.m_width + elementSpacing.x;
if (offset.x + (float)result.m_width > scrollAreaSize.x)
{
offset.x = 0f;
offset.y -= (float)result.m_height + elementSpacing.y;
}
break;
case enUIListType.HorizontalGrid:
offset.y -= (float)result.m_height + elementSpacing.y;
if (-offset.y + (float)result.m_height > scrollAreaSize.y)
{
offset.y = 0f;
offset.x += (float)result.m_width + elementSpacing.x;
}
break;
}
return(result);
}
public void SetRect(ref stRect rect)
{
m_rect = rect;
RectTransform rectTransform = gameObject.transform as RectTransform;
rectTransform.sizeDelta = new Vector2((float)m_rect.m_width, (float)m_rect.m_height);
if (m_pivotType == enPivotType.Centre)
{
rectTransform.anchoredPosition = rect.m_center;
}
else
{
rectTransform.anchoredPosition = new Vector2((float)rect.m_left, (float)rect.m_top);
}
}
protected virtual void ProcessElements()
{
m_contentSize = Vector2.zero;
Vector2 zero = Vector2.zero;
if (listType == enUIListType.Vertical || listType == enUIListType.VerticalGrid)
{
zero.y += elementLayoutOffset;
}
else
{
zero.x += elementLayoutOffset;
}
for (int i = 0; i < elementAmount; i++)
{
stRect stRect = LayoutElement(i, ref m_contentSize, ref zero);
if (useOptimized)
{
if (i < m_elementsRect.Count)
{
m_elementsRect[i] = stRect;
}
else
{
m_elementsRect.Add(stRect);
}
}
if (!useOptimized || IsRectInScrollArea(ref stRect))
{
CreateElement(i, ref stRect);
}
}
if (extraContent != null)
{
if (elementAmount > 0 && m_isExtraContentEnabled)
{
ProcessExtraContent(ref m_contentSize, zero);
}
else
{
extraContent.SetActive(false);
}
}
ResizeContent(ref m_contentSize, false);
}
public void Enable(UIListScript belongedList, int index, string name, ref stRect rect, bool selected)
{
belongedListScript = belongedList;
m_index = index;
gameObject.name = name + "_" + index.ToString();
if (m_useSetActiveForDisplay)
{
base.gameObject.SetActive(true);
}
else
{
m_canvasGroup.alpha = 1f;
m_canvasGroup.blocksRaycasts = true;
}
SetComponentBelongedList(gameObject);
SetRect(ref rect);
ChangeDisplay(selected);
DispatchOnEnableEvent();
}
public void MoveElementInScrollArea(int index, bool moveImmediately)
{
if (index < 0 || index >= elementAmount)
{
return;
}
Vector2 zero = Vector2.zero;
Vector2 zero2 = Vector2.zero;
stRect stRect = (!useOptimized) ? m_elementScripts[index].m_rect : m_elementsRect[index];
zero2.x = m_contentRectTransform.anchoredPosition.x + (float)stRect.m_left;
zero2.y = m_contentRectTransform.anchoredPosition.y + (float)stRect.m_top;
if (zero2.x < 0f)
{
zero.x = -zero2.x;
}
else if (zero2.x + (float)stRect.m_width > scrollAreaSize.x)
{
zero.x = scrollAreaSize.x - (zero2.x + (float)stRect.m_width);
}
if (zero2.y > 0f)
{
zero.y = -zero2.y;
}
else if (zero2.y - (float)stRect.m_height < -scrollAreaSize.y)
{
zero.y = -scrollAreaSize.y - (zero2.y - (float)stRect.m_height);
}
if (moveImmediately)
{
m_contentRectTransform.anchoredPosition += zero;
}
else
{
//Vector2 to = m_contentRectTransform.anchoredPosition + zero;
//LeanTween.value(base.gameObject, delegate(Vector2 pos)
//{
// m_contentRectTransform.anchoredPosition = pos;
//}, m_contentRectTransform.anchoredPosition, to, fSpeed);
}
}
protected UIListElementScript CreateElement(int index, ref stRect rect)
{
UIListElementScript uiListElementScript = null;
if (m_unUsedElementScripts.Count > 0)
{
uiListElementScript = m_unUsedElementScripts[0];
m_unUsedElementScripts.RemoveAt(0);
}
else if (m_elementTemplate != null)
{
GameObject gameObject1 = GameObject.Instantiate(m_elementTemplate);
gameObject1.transform.SetParent(m_content.transform);
gameObject1.transform.localScale = Vector3.one;
base.InitializeComponent(gameObject1);
uiListElementScript = gameObject1.GetComponent <UIListElementScript>();
}
if (uiListElementScript != null)
{
uiListElementScript.Enable(this, index, m_elementName, ref rect, IsSelectedIndex(index));
m_elementScripts.Add(uiListElementScript);
}
return(uiListElementScript);
}
protected void UpdateElementsScroll()
{
int i = 0;
while (i < m_elementScripts.Count)
{
if (!IsRectInScrollArea(ref m_elementScripts[i].m_rect))
{
RecycleElement(m_elementScripts[i], true);
}
else
{
i++;
}
}
for (int j = 0; j < elementAmount; j++)
{
stRect stRect = m_elementsRect[j];
if (IsRectInScrollArea(ref stRect))
{
bool flag = false;
for (int k = 0; k < m_elementScripts.Count; k++)
{
if (m_elementScripts[k].m_index == j)
{
flag = true;
break;
}
}
if (!flag)
{
CreateElement(j, ref stRect);
}
}
}
}