private void addEndItem(int index)
{
ScrollItem item = getItem();
mCurItems.Add(item);
setItemDataByIndex(item, index);
}
private void addStartItem(int index)
{
ScrollItem item = getItem();
mCurItems.Insert(0, item);
setItemDataByIndex(item, index);
}
/// <summary>
/// 重新设置ScrollView的ItemSize
/// </summary>
private void resetItemSize()
{
GameObject obj = Instantiate(mTarget.ItemPrefab);
RectTransform rectTransform = obj.GetComponent <RectTransform>();
ScrollItem i = obj.GetComponent <ScrollItem>();
if (null == i)
{
LogFile.Error("ScrollView 的 Item 必须添加ScrollView组件！");
return;
}
if (null != rectTransform)
{
mTarget.ItemSize = rectTransform.rect.size;
if (!rectTransform.anchorMin.x.Equals(rectTransform.anchorMax.x))
{
mTarget.ItemSize.x = -1;
}
if (!rectTransform.anchorMin.y.Equals(rectTransform.anchorMax.y))
{
mTarget.ItemSize.y = -1;
}
}
DestroyImmediate(obj);
serializedObject.ApplyModifiedProperties();
}
private void setItemDataByIndex(ScrollItem item, int index)
{
UIItemData data = mData[index];
item.Index = index;
item.SetData(data);
item.transform.localPosition = getItemPosByIndex(index);
}
private void recoverAll()
{
for (int i = mCurItems.Count - 1; i > -1; --i)
{
ScrollItem item = mCurItems[i];
recoverItem(item);
mCurItems.RemoveAt(i);
}
}
private ScrollItem getItemByIndex(int index)
{
ScrollItem item = null;
//test
//TODO:根据content position 计算index对应的Item，没有在显示区域的返回bull
if (index >= mShowStart && index <= mShowEnd)
{
item = mCurItems[index - mShowStart];
}
return(item);
}
private void addEndLine(int line)
{
for (int i = 0; i < mNumPerLine; i++)
{
int index = line * mNumPerLine + i;
if (index < mItemDatas.Count)
{
ScrollItem item = getItem();
mCurItems.Add(item);
setItemDataByIndex(item, index);
}
}
}
private void changeSelectAll(bool selected)
{
for (int i = 0; i < mItemDatas.Count; i++)
{
mItemSelectStatus[i] = selected;
}
for (int i = 0; i < mCurItems.Count; i++)
{
ScrollItem item = mCurItems[i];
item.IsSelected = selected;
}
onSelectStatusChanges();
}
private void _addStartLine(int line)
{
for (int i = 0; i < mNumPerLine; i++)
{
int index = line * mNumPerLine + i;
if (index < mItemDatas.Count)
{
ScrollItem item = _getItem();
mCurItems.Insert(0, item);
_setItemDataByIndex(item, index);
}
}
}
private void recoverStartItem(int index)
{
if (index < 0 || index > mData.Count - 1)
{
return;
}
if (index < mData.Count)
{
ScrollItem item = mCurItems[0];
recoverItem(item);
mCurItems.RemoveAt(0);
}
}
bool onPoolGetDelegate(ref ScrollItem obj)
{
if (null == obj)
{
GameObject gobj = Instantiate(ItemPrefab, this.content, false);
gobj.name = "item" + mItemPool.TotalObjCount;
//LogFile.Warn(gobj.name);
obj = gobj.GetComponent <ScrollItem>();
if (null == obj)
{
LogFile.Error("ItemPrefab：{0} prefab没有添加ScrollItem组件", ItemPrefab.name);
return(false);
}
obj.OnItemClicked = onItemClicked;
obj.OnBtnClickedIndex = onItemBtnClickI;
obj.OnBtnClickedStr = onItemBtnClickS;
if (ItemSize.x.Equals(-1f))
{
//修改锚点
Vector2 vector = obj.rectTransform.anchorMax;
vector.x = 0.5f;
obj.rectTransform.anchorMax = vector;
vector = obj.rectTransform.anchorMin;
vector.x = 0.5f;
obj.rectTransform.anchorMin = vector;
obj.rectTransform.pivot = vector;
//修改 item 宽高
vector.x = mRealItemSize.x;
vector.y = obj.rectTransform.rect.height;
obj.rectTransform.sizeDelta = vector;
}
if (ItemSize.y.Equals(-1f))
{
//修改锚点
Vector2 vector = obj.rectTransform.anchorMax;
vector.y = 0.5f;
obj.rectTransform.anchorMax = vector;
vector = obj.rectTransform.anchorMin;
vector.y = 0.5f;
obj.rectTransform.anchorMin = vector;
obj.rectTransform.pivot = vector;
//修改 item 宽高
vector.x = obj.rectTransform.rect.width;
vector.y = mRealItemSize.y;
obj.rectTransform.sizeDelta = vector;
}
}
obj.gameObject.SetActive(true);
return(true);
}
private void recoverEndItem(int index)
{
if (index < 0 || index > mData.Count - 1)
{
return;
}
if (index < mData.Count)
{
int idx = mCurItems.Count - 1;
ScrollItem item = mCurItems[idx];
recoverItem(item);
mCurItems.RemoveAt(idx);
}
}
//进入时刷新部分参数
void OnEnable()
{
mTarget = target as ScrollItem;
if (null == mTarget)
{
return;
}
//mPrefab = mTarget.ItemPrefab;
//Debug.Log(mPrefab);
if (null == mTarget.UIHandler)
{
mTarget.UIHandler = mTarget.GetComponent <UIHandler>();
}
}
private void recoverAll()
{
if (null == mCurItems)
{
return;
}
//LogFile.Log("recoverAll 1 mCurItems.Count:{0}, objPool.count:{1}", mCurItems.Count, mItemPool.Count);
for (int i = mCurItems.Count - 1; i > -1; --i)
{
ScrollItem item = mCurItems[i];
recoverItem(item);
mCurItems.RemoveAt(i);
}
//LogFile.Warn("recoverAll 2 mCurItems.Count:{0}, objPool.count:{1}", mCurItems.Count, mItemPool.Count);
}
private void setItemSelected(int index, bool selected)
{
if (index >= 0 && index < mItemDatas.Count)
{
mItemSelectStatus[index] = selected;
for (int i = 0; i < mCurItems.Count; i++)
{
ScrollItem item = mCurItems[i];
if (index == item.Index)
{
item.IsSelected = selected;
return;
}
}
}
}
private void setItemDataByIndex(ScrollItem item, int index)
{
UIItemData data = mItemDatas[index];
item.Index = index;
item.SetData(data);
item.IsSelected = mItemSelectStatus[index];
RectTransform rect = item.rectTransform;
Vector3 offset = Vector3.zero;
if (!rect.pivot.Equals(Vector2.one * 0.5f))
{
offset.x = rect.rect.width * (rect.pivot.x - 0.5f);
offset.y = rect.rect.height * (rect.pivot.y - 0.5f);
}
item.transform.localPosition = getItemPosByIndex(index) + offset;
}
private void recoverStartLine(int line)
{
if (line < 0 || line > mTotalLines - 1)
{
return;
}
for (int i = 0; i < mNumPerLine; i++)
{
int index = line * mNumPerLine + i;
if (index < mItemDatas.Count)
{
ScrollItem item = mCurItems[0];
recoverItem(item);
mCurItems.RemoveAt(0);
}
}
}
/// <summary>
/// 重新设置ScrollView的ItemSize
/// </summary>
private void resetItemSize()
{
GameObject obj = Instantiate(mTarget.ItemPrefab);
RectTransform rectTransform = obj.GetComponent <RectTransform>();
ScrollItem i = obj.GetComponent <ScrollItem>();
if (null == i)
{
LogFile.Error("ScrollView 的 Item 必须添加ScrollView组件！");
return;
}
if (null != rectTransform)
{
mTarget.ItemSize = rectTransform.rect.size;
}
DestroyImmediate(obj);
}
private void sortItems(bool force = false)
{
int curIndex = getCurIndex();
if (mCurIndex != curIndex || force)
{
int count = mCurItems.Count;
//Debug.LogWarning("curIndex:" + curIndex);
mCurIndex = curIndex;
if (null != Toggles)
{
Toggles.SetCurIndex(mCurIndex);
}
List <ItemSortData> siblings = new List <ItemSortData>();
for (int i = 0; i < count; i++)
{
siblings.Add(new ItemSortData(i, mCurItems[i].Index));
//Debug.Log(siblings[i]);
}
siblings.Sort((ItemSortData left, ItemSortData right) =>
{
int dl = Math.Abs(left.Index - mCurIndex);
int dr = Math.Abs(right.Index - mCurIndex);
if (dl > dr)
{
return(-1);
}
if (dl < dr)
{
return(1);
}
return(0);
});
//string log = "";
for (int i = 0; i < siblings.Count; i++)
{
ScrollItem item = mCurItems[siblings[i].ListIndex];
item.transform.SetSiblingIndex(i);
item.transform.localScale = Vector3.one * (mCurIndex == item.Index ? CenterScale : OtherScale);
//log = log + "idx:" + item.Index + ",sib:" + i + ";";
}
//Debug.Log(log);
}
}
bool OnGetItemDelegate(ref ScrollItem obj)
{
if (null == obj)
{
GameObject gobj = Instantiate(ItemPrefab, Content, false);
gobj.name = "item" + mItemPool.TotalObjCount;
//LogFile.Warn(gobj.name);
obj = gobj.GetComponent <ScrollItem>();
if (null == obj)
{
LogFile.Error("ItemPrefab：{0} prefab没有添加ScrollItem组件", ItemPrefab.name);
return(false);
}
obj.OnItemClicked = onItemClicked;
}
obj.transform.SetSiblingIndex(0);
obj.gameObject.SetActive(true);
return(true);
}
private void recoverEndLine(int line)
{
if (line < 0 || line > mTotalLines - 1)
{
return;
}
int count = mCurItems.Count;
for (int i = 0; i < mNumPerLine; i++)
{
int index = line * mNumPerLine + i;
if (index < mItemDatas.Count)
{
int idx = count - 1 - i;
ScrollItem item = mCurItems[idx];
recoverItem(item);
mCurItems.RemoveAt(idx);
}
}
}
private IEnumerator _updateAllItem(int startLine, int endLine, bool forceUpdate = false)
{
//修复异步加载图片可能失败的问题
yield return(null);
if (mShowStart != startLine || mShowEnd != endLine || forceUpdate)
{
//只有首尾的行变动，只处理相应的行,只在一帧处理完
if (!forceUpdate && Math.Abs(mShowStart - startLine) <= 1 && Math.Abs(endLine - mShowEnd) <= 1)
{
//减少Item
//如果开始的行数比当前的大1，证明现在在开头少显示了一行
if (startLine - mShowStart == 1)
{
_recoverStartLine(mShowStart);
}
//如果结束的行数比当前的小1，证明现在在末尾少显示了一行
if (mShowEnd - endLine == 1)
{
_recoverEndLine(mShowEnd);
}
///添加新的Item
//如果开始的行数比当前的小1，证明现在在开头多显示了一行
if (mShowStart - startLine == 1)
{
_addStartLine(startLine);
}
//如果结束的行数比当前的大1，证明现在在末尾多显示了一行
if (endLine - mShowEnd == 1)
{
_addEndLine(endLine);
}
mShowStart = startLine;
mShowEnd = endLine;
}
else
{
//有多行变动，在协程中处理所有刷新，有新变动停止协程重新处理
//LogFile.Log("updateAllItem 滑动多行了，直接全部刷新 start:{0}, end{1}", startLine, endLine);
//滑动多行了，直接全部刷新
int startIndex = Mathf.Clamp(startLine * mNumPerLine, 0, mItemDatas.Count - 1);
int endIndex = Mathf.Clamp((endLine + 1) * mNumPerLine - 1, 0, mItemDatas.Count - 1);
int count = Mathf.Clamp(endIndex - startIndex + 1, 0, mItemDatas.Count);
//回收所有Item，在之后的协程中刷新
_recoverAll();
for (int i = 0; i < count; i++)
{
ScrollItem item = _getItem();
mCurItems.Add(item);
_setItemDataByIndex(item, startIndex + i);
if ((count + 1) % ItemNumPerStep == 0)
{
yield return(null);
}
}
if (mTargetIndex != -1)
{
_tweenToIndex(mTargetIndex);
mTargetIndex = -1;
mTargetPos = -1f;
}
else if (!mTargetPos.Equals(-1f))
{
_tweenToPos(mTargetPos);
mTargetPos = -1f;
}
}
mShowStart = startLine;
mShowEnd = endLine;
}
if (null != mUpCoroutine)
{
StopCoroutine(mUpCoroutine);
mUpCoroutine = null;
}
}
bool onPoolRecoverDelegate(ScrollItem obj)
{
obj.gameObject.SetActive(false);
return(true);
}
private IEnumerator updateAllItem(int startIndex, int endIndex, bool forceUpdate = false)
{
if (mShowStart != startIndex || mShowEnd != endIndex || forceUpdate)
{
//只有首尾的行变动，只处理相应的行,只在一帧处理完
if (Math.Abs(mShowStart - startIndex) <= 1 && Math.Abs(endIndex - mShowEnd) <= 1 && startIndex != endIndex && !forceUpdate)
{
//减少Item
//如果开始的行数比当前的大1，证明现在在开头少显示了一行
if (startIndex - mShowStart == 1)
{
recoverStartItem(mShowStart);
}
//如果结束的行数比当前的小1，证明现在在末尾少显示了一行
if (mShowEnd - endIndex == 1)
{
recoverEndItem(mShowEnd);
}
///添加新的Item
//如果开始的行数比当前的小1，证明现在在开头多显示了一行
if (mShowStart - startIndex == 1)
{
addStartItem(startIndex);
}
//如果结束的行数比当前的大1，证明现在在末尾多显示了一行
if (endIndex - mShowEnd == 1)
{
addEndItem(endIndex);
}
mShowStart = startIndex;
mShowEnd = endIndex;
}
else
{
//有多行变动，在协程中处理所有刷新，有新变动停止协程重新处理
//LogFile.Log("updateAllItem 滑动多行了，直接全部刷新 start:{0}, end{1}", startLine, endLine);
//滑动多行了，直接全部刷新
mShowStart = startIndex;
mShowEnd = endIndex;
int startIdx = Mathf.Clamp(startIndex, 0, mData.Count - 1);
int endIdx = Mathf.Clamp(endIndex, 0, mData.Count - 1);
int count = endIdx - startIdx + 1;
//回收所有Item，在之后的协程中刷新
recoverAll();
for (int i = 0; i < count; i++)
{
ScrollItem item = getItem();
mCurItems.Add(item);
setItemDataByIndex(item, startIdx + i);
if ((count + 1) % ItemNumPerStep == 0)
{
yield return(null);
}
}
}
if (mTargetIndex != -1)
{
tweenToIndex(mTargetIndex);
mTargetIndex = -1;
}
}
if (null != mUpCoroutine)
{
StopCoroutine(mUpCoroutine);
mUpCoroutine = null;
}
}
private void recoverItem(ScrollItem item)
{
mItemPool.Recover(item);
}
bool OnItemDisposeDelegate(ref ScrollItem obj)
{
Destroy(obj.gameObject);
obj = null;
return(true);
}
bool OnItemRecoverDelegate(ScrollItem obj)
{
obj.gameObject.SetActive(false);
obj.Index = mData.Count;
return(true);
}