public void Init(int dataCount)
{
if (scrollRect == null || content == null || goItemPrefab == null)
{
TTLoger.LogError("异常:请检测<" + gameObject.name + ">对象上UIWarpContent对应ScrollRect、Content、GoItemPrefab 是否存在值...." + scrollRect + " _" + content + "_" + goItemPrefab);
return;
}
if (dataCount < 0)
{
return;
}
setDataCount(dataCount);
if (arrangement == Arrangement.Page)
{
scrollRect.inertia = false;
}
//移除
for (int i = listItem.Count - 1; i >= 0; i--)
{
UIWarpContentItem item = listItem[i];
item.Index = -1;
unUseItem.Enqueue(item);
}
listItem.Clear();
setUpdateRectItem(getCurScrollPerLineIndex());
}
/// <summary>
/// 添加当前数据索引数据
/// </summary>
/// <param name="dataIndex"></param>
public void AddItem(int dataIndex)
{
print("dataIndex" + dataIndex + "datacount" + dataCount);
if (dataIndex < 0 || dataIndex > dataCount)
{
return;
}
//检测是否需添加gameObject
bool isNeedAdd = false;
for (int i = listItem.Count - 1; i >= 0; i--)
{
UIWarpContentItem item = listItem [i];
if (item.Index >= (dataCount - 1)) //已经显示的下标是最后一个数据或倒数第二个数据，就需要添加
{
isNeedAdd = true;
break;
}
}
setDataCount(dataCount + 1); //重新设置item总量
if (isNeedAdd)
{
for (int i = 0; i < listItem.Count; i++)
{
UIWarpContentItem item = listItem [i];
int oldIndex = item.Index;
if (oldIndex >= dataIndex) //如果已显示的item索引大于等于添加的索引就增加一个index
{
item.Index = oldIndex + 1;
}
item = null;
}
setUpdateRectItem(getCurScrollPerLineIndex()); //设置显示
}
else
{
//重新刷新数据
for (int i = 0; i < listItem.Count; i++)
{
UIWarpContentItem item = listItem [i];
int oldIndex = item.Index;
if (oldIndex >= dataIndex)
{
item.Index = oldIndex;
Debug.Log(item.gameObject.name + item.Index);
}
item = null;
}
}
}
/**
* @des:添加当前数据索引数据
*/
public void AddItem(int dataIndex)
{
if (dataIndex < 0 || dataIndex > dataCount)
{
return;
}
//检测是否需添加gameObject
bool isNeedAdd = false;
for (int i = listItem.Count - 1; i >= 0; i--)
{
UIWarpContentItem item = listItem [i];
if (item.Index >= (dataCount - 1))
{
isNeedAdd = true;
break;
}
}
setDataCount(dataCount + 1);
if (isNeedAdd)
{
for (int i = 0; i < listItem.Count; i++)
{
UIWarpContentItem item = listItem [i];
int oldIndex = item.Index;
if (oldIndex >= dataIndex)
{
item.Index = oldIndex + 1;
}
item = null;
}
setUpdateRectItem(getCurScrollPerLineIndex());
}
else
{
//重新刷新数据
for (int i = 0; i < listItem.Count; i++)
{
UIWarpContentItem item = listItem [i];
int oldIndex = item.Index;
if (oldIndex >= dataIndex)
{
item.Index = oldIndex;
}
item = null;
}
}
}
/**
* @des:设置更新区域内item
* 功能:
* 1.隐藏区域之外对象
* 2.更新区域内数据
* 3.Arrangement类型为page时，参数为当前页
*/
private void setUpdateRectItem(int scrollPerLineIndex)
{
if (scrollPerLineIndex < 0)
{
return;
}
curScrollPerLineIndex = scrollPerLineIndex;
int startDataIndex = curScrollPerLineIndex * maxPerLine;
int endDataIndex = (curScrollPerLineIndex + viewCount) * maxPerLine;
//分页显示时，显示区域加上后一页的内容
if (arrangement == Arrangement.Page)
{
curScrollPage = scrollPerLineIndex;
startDataIndex = curScrollPage * linePerPage * maxPerLine;
endDataIndex = (curScrollPage + 2) * linePerPage * maxPerLine;
}
//移除
for (int i = listItem.Count - 1; i >= 0; i--)
{
UIWarpContentItem item = listItem[i];
int index = item.Index;
if (index < startDataIndex || index >= endDataIndex || index >= dataCount)
{
item.Index = -1;
listItem.Remove(item);
unUseItem.Enqueue(item);
}
}
//显示
for (int dataIndex = startDataIndex; dataIndex < endDataIndex; dataIndex++)
{
if (dataIndex >= dataCount)
{
continue;
}
if (isExistDataByDataIndex(dataIndex))
{
continue;
}
createItem(dataIndex);
}
}
/**
* @des:删除当前数据索引下数据
*/
public void DelItem(int dataIndex)
{
if (dataIndex < 0 || dataIndex >= dataCount)
{
return;
}
//删除item逻辑三种情况
//1.只更新数据，不销毁gameObject,也不移除gameobject
//2.更新数据，且移除gameObject,不销毁gameObject
//3.更新数据，销毁gameObject
bool isNeedDestroyGameObject = (listItem.Count >= dataCount);
setDataCount(dataCount - 1);
for (int i = listItem.Count - 1; i >= 0; i--)
{
UIWarpContentItem item = listItem [i];
int oldIndex = item.Index;
if (oldIndex == dataIndex)
{
listItem.Remove(item);
if (isNeedDestroyGameObject)
{
GameObject.Destroy(item.gameObject);
}
else
{
item.Index = -1;
unUseItem.Enqueue(item);
}
}
if (oldIndex > dataIndex)
{
item.Index = oldIndex - 1;
}
}
setUpdateRectItem(getCurScrollPerLineIndex());
}
/// <summary>
/// 设置更新区域内item 功能:1.隐藏区域之外对象 2.更新区域内数据
/// </summary>
/// <param name="scrollPerLineIndex"></param>
private void setUpdateRectItem(int scrollPerLineIndex)
{
if (scrollPerLineIndex < 0)
{
return;
}
curScrollPerLineIndex = scrollPerLineIndex;
int startDataIndex = curScrollPerLineIndex * maxPerLine; //要显示区域的开始数据坐标
int endDataIndex = (curScrollPerLineIndex + viewCount) * maxPerLine; //要显示区域的结束数据坐标
//移除
for (int i = listItem.Count - 1; i >= 0; i--)
{
UIWarpContentItem item = listItem[i];
int index = item.Index;
if (index < startDataIndex || index >= endDataIndex)
{
item.Index = -1;
listItem.Remove(item); //从显示集合移除
unUseItem.Enqueue(item); //入没有使用队列
}
}
//显示
for (int dataIndex = startDataIndex; dataIndex < endDataIndex; dataIndex++)
{
if (dataIndex >= dataCount)
{
continue;
}
if (isExistDataByDataIndex(dataIndex)) //要显示的数据已经在显示列表中就跳过循环
{
continue;
}
createItem(dataIndex);
}
}
/**
* @des:设置更新区域内item
* 功能:
* 1.隐藏区域之外对象
* 2.更新区域内数据
*/
private void UpdateDataByIndex(int scrollPerLineIndex)
{
if (scrollPerLineIndex < 0)
{
return;
}
curScrollPerLineIndex = scrollPerLineIndex;
int startDataIndex = curScrollPerLineIndex * maxPerLine;
int endDataIndex = (curScrollPerLineIndex + viewCount) * maxPerLine;
//移除
for (int i = listItem.Count - 1; i >= 0; i--)
{
UIWarpContentItem item = listItem[i];
int index = item.Index;
if (index < startDataIndex || index >= endDataIndex)
{
item.Index = -1;
listItem.Remove(item);
unUseItem.Enqueue(item);
}
}
//显示
for (int dataIndex = startDataIndex; dataIndex < endDataIndex; dataIndex++)
{
if (dataIndex >= dataCount)
{
continue;
}
if (isExistDataByDataIndex(dataIndex))
{
continue;
}
createItem(dataIndex);
}
}
/**
* @des:创建元素
* @param:dataIndex
*/
private void createItem(int dataIndex)
{
UIWarpContentItem item = null;
if (unUseItem.Count > 0)
{
item = unUseItem.Dequeue();
}
else
{
//Debug.Log(goItemPrefab);
//Debug.Log(content);
if (goItemPrefab != null)
{
item = addChild(goItemPrefab, content).AddComponent <UIWarpContentItem>();
}
}
if (item != null)
{
item.WarpContent = this;
item.Index = dataIndex;
listItem.Add(item);
}
}
public void UpdateAll(int dataCount)
{
curScrollPerLineIndex = -1;
switch (arrangement)
{
case Arrangement.Horizontal:
scrollRect.horizontalNormalizedPosition = 0;
break;
case Arrangement.Vertical:
scrollRect.verticalNormalizedPosition = 1;
break;
}
for (int i = listItem.Count - 1; i >= 0; i--)
{
if (i >= dataCount)
{
UIWarpContentItem item = listItem[i];
item.Index = -1;
listItem.Remove(item);
unUseItem.Enqueue(item);
}
}
setDataCount(dataCount);
scrollRect.onValueChanged.RemoveAllListeners();
if (enableWrappable)
{
scrollRect.onValueChanged.AddListener(onValueChanged);
}
for (int i = listItem.Count - 1; i >= 0; i--)
{
UIWarpContentItem item = listItem[i];
item.Index = i;
}
setUpdateRectItem(0);
}
//得到当前选择城市
string GetSelectCity()
{
UIWarpContentItem items = ArrayHelper.Min <UIWarpContentItem, float>(rightChilds.ToArray(), p => Vector3.Distance(p.transform.position, kuang.position));
return(items.GetComponent <Text>().text);
}