/// <summary>
/// 获得子项列表中索引最小的子项
/// </summary>
/// <param name="isIncludeNotActive">是否包含不激活的子项</param>
/// <returns></returns>
protected UITool_ListItem GetMinIndexItem(bool isIncludeNotActive)
{
UITool_ListItem item = null;
int min = -1;
int count = GetListItemCount(true);
for (int i = 0; i < count; i++)
{
if (listItems[i].gameObject.activeSelf)
{
item = listItems[i];
min = item.itemIndex;
break;
}
}
for (int i = 1; i < count; i++)
{
//去除未激活的物体
if (!isIncludeNotActive && !listItems[i].gameObject.activeSelf)
{
continue;
}
if (listItems[i].itemIndex < min)
{
min = listItems[i].itemIndex;
item = listItems[i];
}
}
return(item);
}
public void OnCreateListViewItem(UITool_ListItem item)
{
ServerItemInfo info = new ServerItemInfo();
info.zoneName = item.GetComponentInItem <Text>("Text");
item.param = info;
}
public static UITool_ListItem FindItemByChildObj(GameObject childObj)
{
UITool_ListItem item = childObj.transform.parent.GetComponent<UITool_ListItem>();
if (!item)
FindItemByChildObj(childObj);
return item;
}
public void HandleClickItem(UITool_ListItem listItem)
{
UpdateSelectItemState(listItem);
if (onClickItem != null)
{
onClickItem(listItem);
}
}
/// <summary>
/// 更新指定索引子项的界面显示(但是不更新数据源)
/// </summary>
/// <param name="index">子项的索引</param>
private void UpdateItem(int index)
{
UITool_ListItem item = FindItem(index);
//adapter.OnUpdateListViewItem(item);
if (onUpdateItem != null)
{
onUpdateItem(item);
}
}
public void OnClickListViewItem(UITool_ListItem item)
{
uiServerList.SetActive(false);
mapIndex = item.itemIndex; //UnityEngine.Random.Range(0, lhConfigData.cdn.map.Count);
zoneIndex = item.itemIndex;
lhCacheData.SetHistoryValue("mapIndex", mapIndex.ToString());
lhCacheData.SetHistoryValue("zoneIndex", zoneIndex.ToString());
//更新界面显示
serverNameText.text = lhConfigData.cdn.zone[item.itemIndex].name;
}
/// <summary>
/// 设置被选中子项的状态，即ListPanelItem中的isSelected字段
/// </summary>
/// <param name="item">当前被选中的子项</param>
private void UpdateSelectItemState(UITool_ListItem item)
{
if (item)
{
for (int i = 0; i < GetListItemCount(true); i++)
{
listItems[i].isSelected = false;
}
item.isSelected = true;
selectIndex = item.itemIndex;
UpdateItems();
}
}
/// <summary>
/// 通过索引来找子项
/// </summary>
/// <param name="index">子项的索引</param>
public UITool_ListItem FindItem(int index)
{
UITool_ListItem item = null;
for (int i = 0; i < GetListItemCount(true); i++)
{
if (listItems[i].itemIndex == index)
{
item = listItems[i];
break;
}
}
return(item);
}
/// <summary>
/// 删除子项
/// </summary>
/// <param name="index">要删除子项的索引</param>
public override void DeleteItem(int index)
{
if (index < 0)
{
return;
}
UITool_ListItem item = FindItem(index);
DestroyImmediate(item.gameObject);
listItems.Remove(item);
UpdateItemsIndex();
//UpdateItemsUI();
CalculateContent();
layoutGroupInner.UpdatePosition();
}
/// <summary>
/// 获得被选中的子项，如果没有选中的，就返回null
/// </summary>
public UITool_ListItem GetSelectedItem()
{
UITool_ListItem item = null;
for (int i = 0; i < GetListItemCount(true); i++)
{
if (listItems[i].isSelected)
{
item = listItems[i];
break;
}
}
return(item);
}
/// <summary>
/// 更新所有的子项界面显示(但是不更新数据源)
/// </summary>
public void UpdateItems()
{
UITool_ListItem maxItem = GetMaxIndexItem(false);
//当，没有子项的时候，就找不到了
if (!maxItem)
{
return;
}
for (int i = 0; i <= maxItem.itemIndex; i++)
{
UpdateItem(i);
}
}
protected void WrapContent()
{
curContentPos = ContentPosSingle;
if (curContentPos - preContentPos >= CellSingle)
{
RectTransform rtItem1 = listItems[0].GetComponent <RectTransform>();
RectTransform rtItem2 = listItems[listItems.Count - 1].GetComponent <RectTransform>();
rtItem1.anchoredPosition = rtItem2.anchoredPosition - new Vector2(0, CellSingle);
layoutGroupInner.rectTransform.sizeDelta += new Vector2(0, CellSingle);
UITool_ListItem item = listItems[0];
listItems.RemoveAt(0);
listItems.Add(item);
preContentPos = curContentPos;
}
}
/// <summary>
/// 更新所有子项的索引，使得子项的索引重新连续排列(例如，如果删除子项时，使得索引不连续，可以调用此方法更新下)
/// </summary>
public void UpdateItemsIndex()
{
UITool_ListItem maxItem = GetMaxIndexItem(false);
if (!maxItem)
{
return;
}
for (int i = 0; i < maxItem.itemIndex; i++)
{
UITool_ListItem item = listItems[i];
item.itemIndex = i;
item.name = i.ToString();
}
}
/// <summary>
/// 创建一个子项
/// </summary>
///<param name="index">子项索引</param>
protected UITool_ListItem CreateItemOne(int index)
{
GameObject itemCopy = lhInstantiate(itemPrefab) as GameObject;
itemCopy.SetActive(true);
UITool_ListItem listItem = itemCopy.AddComponent <UITool_ListItem>();
itemCopy.transform.SetParent(layoutGroupInner.rectTransform);
RectTransform rtItemCopy = itemCopy.GetComponent <RectTransform>();
RectTransform rtItemPrefab = itemPrefab.GetComponent <RectTransform>();
if (!layoutGroupInner.IsIgnoreAdapter)
{
//将锚点设置成左上角对齐，因为这样可以当设置content大小时，不会是子项跟着拉伸，然后会在UITool_Grid中会重置锚点，重新排列
rtItemCopy.anchorMin = new Vector2(0, 1);
rtItemCopy.anchorMax = new Vector2(0, 1);
}
rtItemCopy.anchoredPosition = rtItemPrefab.anchoredPosition;
rtItemCopy.sizeDelta = new Vector2(rtItemPrefab.rect.width, rtItemPrefab.rect.height); //rtItemPrefab.sizeDelta;
itemCopy.transform.localScale = Vector3.one;
listItem.width = layoutGroupInner.CellWidth;
listItem.height = layoutGroupInner.CellHeight;
listItem.listView = this;
listItem.itemIndex = index;
listItem.gameObject.name = listItem.itemIndex.ToString();
//listItem.itemData = dataSource[listItem.itemIndex];
listItems.Insert(listItem.itemIndex, listItem);
//adapter.OnCreateListViewItem(listItem);
//adapter.OnUpdateListViewItem(listItem);
if (onCreateItem != null)
{
onCreateItem(listItem);
}
if (onUpdateItem != null)
{
onUpdateItem(listItem);
}
return(listItem);
}
public void OnUpdateListViewItem(UITool_ListItem item)
{
ServerItemInfo info = (ServerItemInfo)item.param;
info.zoneName.text = lhConfigData.cdn.zone[item.itemIndex].name;
}
