void OnInitItem(LoopItemObject item, LoopItemData data)
{
chatItemData myData = data as chatItemData;
chatItem itemComp = item.widget.GetComponent <chatItem>();
itemComp.showItemByType(myData.ItemType);
switch (myData.ItemType)
{
case 1:
itemComp.selfContent.text = myData.content;
itemComp.selfUserNameLabel.text = myData.username;
break;
case 2:
itemComp.otherContent.text = myData.content;
itemComp.ohterUserNameLabel.text = myData.username;
GameObject go = itemComp.transform.FindChild("otherChatItem/headImgBg/headImg").gameObject;
//go.name = "headImg" + myData.uid;
UIEventListener.Get(go).onClick
= (g) => { print(myData.uid); };
break;
case 3:
itemComp.timeLable.text = myData.content;
break;
}
}
void OnItemInit(LoopItemObject item, LoopItemData data)
{
chatItemData myData = data as chatItemData;
chatItem itemComp = item.widget.GetComponent <chatItem>();
itemComp.showItemByType(myData.ItemType);
itemComp.otherContent.text = myData.content;
itemComp.selfContent.text = myData.content;
itemComp.timeLable.text = myData.content;
item.gameObject.name = "Item" + item.dataIndex;
//item.widget.gameObject.SetActive(false);
//print(myData.content +" " +item.widget.isVisible);
}
public void UpdateInBack(int uid, string username, string content, string time, int type)
{
//myLoopSV.datasList
LoopItemData data = new chatItemData(uid, username, content, time, type);
this.datasList.Insert(0, data);
//this.datasList.Add(data);
if (this.itemsList != null)
{
foreach (LoopItemObject lio in itemsList)
{
lio.dataIndex++;
}
if (firstItem != null && firstItem.dataIndex == 1)
{
//float distance = -panelHeight / 2 - (firstItem.transform.localPosition.y + scrollView.transform.localPosition.y)+gapDis;
//float distance = -scrollView.transform.localPosition.y; //-panelHeight/2 + gapDis - firstItem.transform.localPosition.y;//+scrollView.transform.localPosition.y; //第一个距离底部的高
//print("distance:" + distance);
//往上面顶
foreach (LoopItemObject lio in itemsList)
{
if (type == 3)
{
lio.transform.localPosition = new Vector3(0, lio.transform.localPosition.y + 30 + 10, 0);
}
else
{
lio.transform.localPosition = new Vector3(0, lio.transform.localPosition.y + 100 + 10, 0);
}
//scrollView.ResetPosition();
}
}
}
//UITable
}
public void UpdateInFront(int uid, string username, string content, string time, int type)
{
LoopItemData data = new chatItemData(uid, username, content, time, type);
this.datasList.Add(data);
}
/// <summary>
/// 检验items的两端是否要补上或删除
/// </summary>
void Validate()
{
if (datasList == null || datasList.Count == 0)
{
return;
}
// 如果itemsList还不存在
if (itemsList == null || itemsList.Count == 0)
{
itemsList = new List <LoopItemObject>();
LoopItemObject item = GetItemFromLoop();
Vector3 v3 = new Vector3(0, itemStartPos.y, 0);
chatItemData d = datasList[0] as chatItemData;
if (d.ItemType != 3)
{
itemStartPos = new Vector3(0, itemStartPos.y + 50, 0);
}
InitItem(item, 0, datasList[0]);
itemStartPos = v3;//还原
firstItem = lastItem = item;
itemsList.Add(item);
//Validate();
}
//
bool all_invisible = true;
foreach (LoopItemObject item in itemsList)
{
if (item.widget.isVisible == true)
{
all_invisible = false;
}
}
if (all_invisible == true)
{
return;
}
// 先判断前端是否要增减
if (firstItem.widget.isVisible)
{
// 判断要不要在它的前面补充一个item
if (firstItem.dataIndex > 0)
{
LoopItemObject item = GetItemFromLoop();
// 初化：数据索引、大小、位置、显示
int index = firstItem.dataIndex - 1;
//InitItem(item, index, datasList[index]);
AddToFront(firstItem, item, index, datasList[index]);
firstItem = item;
itemsList.Insert(0, item);
//Validate();
//SpringPanel.Begin
}
}
else
{
// 判断要不要将它移除
// 条件：自身是不可见的；且它后一个item也是不可见的（或被被裁剪过半的）.
// 这有个隐含条件是itemsList.Count>=2.
if (itemsList.Count >= 2 &&
itemsList[0].widget.isVisible == false &&
itemsList[1].widget.isVisible == false)
{
itemsList.Remove(firstItem);
PutItemToLoop(firstItem);
firstItem = itemsList[0];
//Validate();
}
}
// 再判断后端是否要增减
if (lastItem.widget.isVisible)
{
// 判断要不要在它的后面补充一个item
if (lastItem.dataIndex < datasList.Count - 1)
{
LoopItemObject item = GetItemFromLoop();
// 初化：数据索引、大小、位置、显示
int index = lastItem.dataIndex + 1;
AddToBack(lastItem, item, index, datasList[index]);
lastItem = item;
itemsList.Add(item);
//Validate();
}
}
else
{
// 判断要不要将它移除
// 条件：自身是不可见的；且它前一个item也是不可见的（或被被裁剪过半的）.
// 这有个隐含条件是itemsList.Count>=2.
if (itemsList.Count >= 2 &&
itemsList[itemsList.Count - 1].widget.isVisible == false &&
itemsList[itemsList.Count - 2].widget.isVisible == false)
{
itemsList.Remove(lastItem);
PutItemToLoop(lastItem);
lastItem = itemsList[itemsList.Count - 1];
//UIGrid ug =new UIGrid();
//Validate();
}
}
//防止还没到底的时候就回弹BUG（效果不好）
if (firstItem.dataIndex != 0 && lastItem.dataIndex != datasList.Count - 1)
{
SpringPanel sp = gameObject.GetComponent <SpringPanel>();
if (sp != null)
{
sp.enabled = false;
}
}
}
