//设置Item数据和坐标, forceRefresh 为true 则强制刷新
private void SetItemData(UIScrollViewItemBase item, int index, bool forceRefresh)
{
Vector2 itemPos = CalculateItemFixPosByIndex(index);
if (index < completelyIndex)
{
item.transform.localPosition = new Vector3(itemPos.x, itemPos.y, 0);
item.Show();
if (forceRefresh || (!forceRefresh && (item.index != index)))
{
if (index < itemCount)
{
item.SetData(index);
}
else
{
if (fillMode)
{
item.ResetData(index);
}
else
{
item.Hide();
}
}
}
}
else
{
item.Hide();
}
}
static int set_onSelected(IntPtr L)
{
object o = null;
try
{
o = ToLua.ToObject(L, 1);
UIScrollViewItemBase obj = (UIScrollViewItemBase)o;
UIScrollViewItemBase.OnSelectedHandler arg0 = null;
LuaTypes funcType2 = LuaDLL.lua_type(L, 2);
if (funcType2 != LuaTypes.LUA_TFUNCTION)
{
arg0 = (UIScrollViewItemBase.OnSelectedHandler)ToLua.CheckObject(L, 2, typeof(UIScrollViewItemBase.OnSelectedHandler));
}
else
{
LuaFunction func = ToLua.ToLuaFunction(L, 2);
arg0 = DelegateFactory.CreateDelegate(typeof(UIScrollViewItemBase.OnSelectedHandler), func) as UIScrollViewItemBase.OnSelectedHandler;
}
obj.onSelected = arg0;
return(0);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e, o == null ? "attempt to index onSelected on a nil value" : e.Message));
}
}
public void ItemSelected(UIScrollViewItemBase item, bool clear = false)
{
if (onItemSelected != null)
{
onItemSelected(item);
if (clear)
{
onItemSelected = null;
}
}
}
static int Selected(IntPtr L)
{
try
{
ToLua.CheckArgsCount(L, 2);
UIScrollViewItemBase obj = (UIScrollViewItemBase)ToLua.CheckObject(L, 1, typeof(UIScrollViewItemBase));
bool arg0 = LuaDLL.luaL_checkboolean(L, 2);
obj.Selected(arg0);
return(0);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e));
}
}
static int Create(IntPtr L)
{
try
{
ToLua.CheckArgsCount(L, 3);
UIScrollViewAdapter obj = (UIScrollViewAdapter)ToLua.CheckObject(L, 1, typeof(UIScrollViewAdapter));
int arg0 = (int)LuaDLL.luaL_checknumber(L, 2);
UIScrollViewItemBase arg1 = (UIScrollViewItemBase)ToLua.CheckUnityObject(L, 3, typeof(UIScrollViewItemBase));
obj.Create(arg0, arg1);
return(0);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e));
}
}
static int ItemSelected(IntPtr L)
{
try
{
ToLua.CheckArgsCount(L, 3);
UIScrollViewAdapter obj = (UIScrollViewAdapter)ToLua.CheckObject(L, 1, typeof(UIScrollViewAdapter));
UIScrollViewItemBase arg0 = (UIScrollViewItemBase)ToLua.CheckUnityObject(L, 2, typeof(UIScrollViewItemBase));
bool arg1 = LuaDLL.luaL_checkboolean(L, 3);
obj.ItemSelected(arg0, arg1);
return(0);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e));
}
}
static int get_Index(IntPtr L)
{
object o = null;
try
{
o = ToLua.ToObject(L, 1);
UIScrollViewItemBase obj = (UIScrollViewItemBase)o;
int ret = obj.Index;
LuaDLL.lua_pushinteger(L, ret);
return(1);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e, o == null ? "attempt to index Index on a nil value" : e.Message));
}
}
static int get__widgetTransform(IntPtr L)
{
object o = null;
try
{
o = ToLua.ToObject(L, 1);
UIScrollViewItemBase obj = (UIScrollViewItemBase)o;
UIWidget ret = obj._widgetTransform;
ToLua.Push(L, ret);
return(1);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e, o == null ? "attempt to index _widgetTransform on a nil value" : e.Message));
}
}
static int get_onSelected(IntPtr L)
{
object o = null;
try
{
o = ToLua.ToObject(L, 1);
UIScrollViewItemBase obj = (UIScrollViewItemBase)o;
UIScrollViewItemBase.OnSelectedHandler ret = obj.onSelected;
ToLua.Push(L, ret);
return(1);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e, o == null ? "attempt to index onSelected on a nil value" : e.Message));
}
}
static int set_Position(IntPtr L)
{
object o = null;
try
{
o = ToLua.ToObject(L, 1);
UIScrollViewItemBase obj = (UIScrollViewItemBase)o;
UnityEngine.Vector2 arg0 = ToLua.ToVector2(L, 2);
obj.Position = arg0;
return(0);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e, o == null ? "attempt to index Position on a nil value" : e.Message));
}
}
static int set_Index(IntPtr L)
{
object o = null;
try
{
o = ToLua.ToObject(L, 1);
UIScrollViewItemBase obj = (UIScrollViewItemBase)o;
int arg0 = (int)LuaDLL.luaL_checknumber(L, 2);
obj.Index = arg0;
return(0);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e, o == null ? "attempt to index Index on a nil value" : e.Message));
}
}
static int set__widgetTransform(IntPtr L)
{
object o = null;
try
{
o = ToLua.ToObject(L, 1);
UIScrollViewItemBase obj = (UIScrollViewItemBase)o;
UIWidget arg0 = (UIWidget)ToLua.CheckUnityObject(L, 2, typeof(UIWidget));
obj._widgetTransform = arg0;
return(0);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e, o == null ? "attempt to index _widgetTransform on a nil value" : e.Message));
}
}
static int get_Size(IntPtr L)
{
object o = null;
try
{
o = ToLua.ToObject(L, 1);
UIScrollViewItemBase obj = (UIScrollViewItemBase)o;
UnityEngine.Vector2 ret = obj.Size;
ToLua.Push(L, ret);
return(1);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e, o == null ? "attempt to index Size on a nil value" : e.Message));
}
}
/// <summary>
/// 初始化方法
/// 步骤：
/// 1.AddComponent<此组件>()
/// 2.设置EnableMultiLine属性值
/// 例如：多行多列
/// EnableMultiLine = true
/// _spacing_row = 行间距
/// _spacing_line = 列间距
/// 3.预制继承自UIScrollViewItemBase的子类
/// 4.调用Create(列表项总数，预制体)方法
/// </summary>
/// <param name="items">实例化项目个数</param>
/// <param name="listItemPrefab">实例化的模板</param>
public void Create(int items, UIScrollViewItemBase listItemPrefab)
{
_itemsTotal = items;
p_prefab = listItemPrefab.gameObject;
switch (_scrollOrientation)
{
case ScrollOrientation.HORIZONTAL:
if (!EnableMultiLine)
{
_itemSize = listItemPrefab.Size.x;
_itemsVisible = Mathf.CeilToInt(GetViewportSize() / (_itemSize + _spacing));
}
else
{
_itemSize_ml = new Vector2(listItemPrefab.Size.x, listItemPrefab.Size.y);
_itemsVisible_row = Mathf.CeilToInt(_viewport.width / (_itemSize_ml.x + _spacing_line));
_itemsVisible_line = Mathf.FloorToInt(_viewport.height / (_itemSize_ml.y + _spacing_row));
}
break;
case ScrollOrientation.VERTICAL:
if (!EnableMultiLine)
{
_itemSize = listItemPrefab.Size.y;
_itemsVisible = Mathf.CeilToInt(GetViewportSize() / (_itemSize + _spacing));
}
else
{
_itemSize_ml = new Vector2(listItemPrefab.Size.x, listItemPrefab.Size.y);
//垂直方向时，row可显示item数量使用向下舍位取整
_itemsVisible_row = Mathf.FloorToInt(_viewport.width / (_itemSize_ml.x + _spacing_line));
_itemsVisible_line = Mathf.CeilToInt(_viewport.height / (_itemSize_ml.y + _spacing_row));
//print("_itemsVisible_row = " + _itemsVisible_row);
//print("_itemsVisible_line = " + _itemsVisible_line);
}
break;
}//end Switch
//Debug.LogWarning("GetViewportSize() "+ GetViewportSize()+" "+ _itemSize
// +" Mathf.CeilToInt()"+ Mathf.CeilToInt(GetViewportSize() / _itemSize)
// );
int itemsToInstantiate = EnableMultiLine ? _itemsVisible_row * _itemsVisible_line : _itemsVisible;
if (itemsToInstantiate > items || (items >= itemsToInstantiate && items <= 2 * itemsToInstantiate))
{
itemsToInstantiate = items;
//CHANGED: 2017-7-06 添加自动补齐行/列开关
if (WhetherAutomaticallyFill)
{
if (itemsToInstantiate % _itemsVisible_row != 0)//每行项目数不满的时候，补齐行
{
itemsToInstantiate += Mathf.CeilToInt((float)itemsToInstantiate / (float)_itemsVisible_row) * _itemsVisible_row - itemsToInstantiate;
}
}
//print("total:"+ items);
//print("gen:"+ itemsToInstantiate);
//print("itemsToInstantiate / _itemsVisible_row = " + (float)(itemsToInstantiate / _itemsVisible_row));
//print("itemsToInstantiate = " + itemsToInstantiate);
//print("_itemsVisible_row = " + _itemsVisible_row);
//print("Mathf.CeilToInt(itemsToInstantiate / _itemsVisible_row) = " + Mathf.CeilToInt(itemsToInstantiate / _itemsVisible_row));
}
else
{
itemsToInstantiate *= 2;
}
_itemsList = new List <UIScrollViewItemBase>();
for (int i = 0; i < itemsToInstantiate; i++)
{
UIScrollViewItemBase item = EnableMultiLine ?
CreateNewItem(i, _itemSize_ml) : CreateNewItem(i, _itemSize);
item.onSelected = HandleOnSelectedHandler;
item.Index = i;
_itemsList.Add(item);
ItemLoaded(item);//列表项加载完成Callback
}
_firstItemIndex = 0;
_lastItemIndex = _itemsList.Count - 1;
_itemsToRecycleAfter = EnableMultiLine ?
_itemsList.Count / _itemsVisible_row - _itemsVisible_line :
_itemsList.Count - _itemsVisible;
//Debug.LogWarning("_itemSize = " + _itemSize);
//Debug.LogWarning("_itemsVisible = " + _itemsVisible);
//Debug.LogWarning("_itemsVisibles = " + _itemsVisible_row + " " + _itemsVisible_line);
//Debug.LogWarning("itemsToInstantiate = " + itemsToInstantiate);
//Debug.LogWarning("_itemsTotal = " + _itemsTotal);
//Debug.LogWarning("_lastItemIndex = " + _lastItemIndex);
//注册事件
onListMoved += Recycle;//在列表向某方向移动了一整行后触发
//List<EventDelegate> events_OnChange = new List<EventDelegate>();
//events_OnChange.Add(new EventDelegate(HandleOnScrollBarValueChangedHandler));
//_scrollBar.onChange = events_OnChange;
isActived = true;
}//end Create()
void Awake()
{
mScrollView = GetComponent <UIScrollView> ();
if (mScrollView == null)
{
Debug.LogError("Put UIScrollViewRecycle and UIScrollView together , please !");
enabled = false;
return;
}
mScrollView.contentPivot = UIWidget.Pivot.TopLeft;
mScrollView.onDragStarted = new UIScrollView.OnDragNotification(onDragStarted);
mScrollView.onStoppedMoving = new UIScrollView.OnDragNotification(onStoppedMoving);
mScrollView.movement = (UIScrollView.Movement)Enum.Parse(typeof(UIScrollView.Movement), movement.ToString());
if (perLineCount == 0)
{
CalculatePerLineCount();
}
//check parent's pivot
UIWidget parentWidget = transform.parent.GetComponent <UIWidget>();
if (parentWidget != null)
{
if (parentWidget.pivot != UIWidget.Pivot.TopLeft)
{
Debug.LogError("hey man , set " + parentWidget.name + "'s pivot as TopLeft please");
}
}
else
{
Debug.LogError("oh my god , you ScrollView looks like shit ...");
}
GameObject itemContainerObj = new GameObject();
itemContainerObj.layer = (int)LayerEnum.UI; //Set To NGUI Layer
itemContainer = itemContainerObj.AddComponent <UIWidget> ();
itemContainer.name = "ItemContainer";
itemContainer.pivot = UIWidget.Pivot.TopLeft;
itemContainer.transform.parent = this.transform;
itemContainer.transform.localPosition = Vector3.zero;
itemContainer.transform.localEulerAngles = Vector3.zero;
itemContainer.transform.localScale = Vector3.one;
if (templateItem != null)
{
if (templateItem.transform.parent == transform)
{
templateItem.gameObject.SetActive(false);
}
}
else
{
Transform itemTrans = transform.Find("TemplateItem");
if (itemTrans != null)
{
templateItem = itemTrans.GetComponent <UIScrollViewItemBase> ();
if (templateItem != null)
{
templateItem.gameObject.SetActive(false);
}
else
{
Debug.LogError("TemplateItem without UIScrollViewItemBase's derived Class");
}
}
}
itemCount = itemCount; //为了刷新
}
void HandleOnSelectedHandler(UIScrollViewItemBase item)
{
ItemSelected(item);
}
}//end PreviousItem()
/// <summary>
/// 进行回收项目操作
/// </summary>
/// <param name="direction">回收方向(用于判断回收头/尾部)</param>
private void RecycleItem(ScrollDirection direction)
{
if (!EnableMultiLine)
{
#region SingleLine
UIScrollViewItemBase firstItem = _itemsList[0];
UIScrollViewItemBase lastItem = _itemsList[_itemsList.Count - 1];
float targetPosition = (_itemSize + _spacing);
switch (direction)
{
case ScrollDirection.NEXT:
//向后滚动时，将首元素移至队尾
switch (_scrollOrientation)
{
case ScrollOrientation.HORIZONTAL: //水平滚动方向，只改变x值
firstItem.Position = new Vector2(lastItem.Position.x + targetPosition, firstItem.Position.y);
break;
case ScrollOrientation.VERTICAL: //垂直滚动方向，只改变y值
/* y轴向下为负 */
//FIXED: 2017-07-21 修复了一个bug,该bug在单列模式下向下滚动时,列表项坐标计算错误,无法正常循环
firstItem.Position = new Vector2(firstItem.Position.x, lastItem.Position.y - targetPosition);
break;
}
//print(firstItem.gameObject.name + "移至队尾");
//print("参与运算变量_lastItemIndex = " + _lastItemIndex);
firstItem.Index = _lastItemIndex;
//print("预加载Index = " + firstItem.Index);
firstItem.transform.SetAsLastSibling();
_itemsList.RemoveAt(0);
_itemsList.Add(firstItem);
ItemLoaded(firstItem);
break;
case ScrollDirection.PREVIOUS:
//向前滚动时，将列表末元素移至队头
switch (_scrollOrientation)
{
case ScrollOrientation.HORIZONTAL:
lastItem.Position = new Vector2(firstItem.Position.x - targetPosition, lastItem.Position.y);
break;
case ScrollOrientation.VERTICAL:
/* y轴向上为正 */
//FIXED: 2017-07-21 修复了一个bug,该bug在单列模式下向上滚动时,列表项坐标计算错误,无法正常循环
lastItem.Position = new Vector2(lastItem.Position.x, firstItem.Position.y + targetPosition);
break;
}
//print(lastItem.gameObject.name + "移至队头");
//print("参与运算变量_lastItemIndex = " + _lastItemIndex + " _itemsList.Count = " + _itemsList.Count);
lastItem.Index = _lastItemIndex - _itemsList.Count;
//print("预加载Index = " + lastItem.Index);
lastItem.transform.SetAsFirstSibling();
_itemsList.RemoveAt(_itemsList.Count - 1);
_itemsList.Insert(0, lastItem);
ItemLoaded(lastItem);
break;
}//end switch
#endregion
}
else
{
UIScrollViewItemBase[] firstRowItems = new UIScrollViewItemBase[_itemsVisible_row];
UIScrollViewItemBase[] lastItems = new UIScrollViewItemBase[firstRowItems.Length];
for (int i = 0; i < _itemsVisible_row; ++i)
{
firstRowItems[i] = _itemsList[0 + i];
lastItems[i] = _itemsList[_itemsList.Count - 1 - i];
}
float targetPosition = firstRowItems[0].Size.y + _spacing_row;
switch (direction)
{
case ScrollDirection.NEXT:
//向后滚动时，将首元素移至队尾
switch (_scrollOrientation)
{
case ScrollOrientation.HORIZONTAL: //水平滚动方向，只改变x值
/* TODO: 水平滚动方向逻辑处理未完成 */
//firstItem.Position = new Vector2(lastItem.Position.x + targetPosition, firstItem.Position.y);
break;
case ScrollOrientation.VERTICAL: //垂直滚动方向，只改变y值
for (int i = 0; i < firstRowItems.Length; ++i)
{
firstRowItems[i].Position = new Vector2(firstRowItems[i].Position.x, lastItems[i].Position.y - targetPosition);
//print(firstRowItems[i].gameObject.name + "移至队尾");
//print(firstRowItems[i].gameObject.name + " y轴坐标-" + targetPosition);
}
break;
}
for (int i = 0; i < firstRowItems.Length; ++i)
{
//CHANGED: 2017-7-05 首行回收添加索引偏移 +1
firstRowItems[i].Index = _lastItemIndex + i + 1;
firstRowItems[i].transform.SetAsLastSibling();
_itemsList.RemoveAt(0);
_itemsList.Add(firstRowItems[i]);
ItemLoaded(firstRowItems[i]);
}
break;
case ScrollDirection.PREVIOUS:
//向前滚动时，将列表末元素移至队头
switch (_scrollOrientation)
{
case ScrollOrientation.HORIZONTAL:
//lastItem.Position = new Vector2(firstItem.Position.x - targetPosition, lastItem.Position.y);
break;
case ScrollOrientation.VERTICAL:
for (int i = 0; i < lastItems.Length; ++i)
{
lastItems[i].Position = new Vector2(lastItems[i].Position.x, firstRowItems[i].Position.y + targetPosition);
//print(lastItems[i].gameObject.name + "移至队头");
//print(firstRowItems[i].gameObject.name + " y轴坐标+" + targetPosition);
}
break;
}
for (int i = 0; i < lastItems.Length; i++)
{
//FIXED: 2017-7-05 尾行回收bug修复
lastItems[i].Index = _firstItemIndex + _itemsVisible_row - i - 1;
lastItems[i].transform.SetAsFirstSibling();
_itemsList.RemoveAt(_itemsList.Count - 1);
_itemsList.Insert(0, lastItems[i]);
ItemLoaded(lastItems[i]);
}
break;
}//end switch
}
_scrollView.InvalidateBounds();
}//end RecycleItem()
//private GameObject
//更新Item缓存数量,初始化和ScrollView尺寸更新时调用
private void UpdateItemCacheCount()
{
if (mScrollView == null)
{
Debug.LogError("mScrollView is null , check it !");
enabled = false;
return;
}
if (templateItem == null)
{
Debug.LogError("templateItem is null , check it !");
return;
}
int xItemCount = 0;
int yItemCount = 0;
int mWidth = Mathf.RoundToInt(mScrollView.panel.width);
int mHeight = Mathf.RoundToInt(mScrollView.panel.height);
if (perLineCount == 0)
{
CalculatePerLineCount();
}
switch (movement)
{
case Movement.Horizontal:
xItemCount = CalculateCountByQuotientAndRemainder(mWidth / cellWidth, mWidth % cellWidth) + 1;
yItemCount = perLineCount;
break;
case Movement.Vertical:
xItemCount = perLineCount;
yItemCount = CalculateCountByQuotientAndRemainder(mHeight / cellHeight, mHeight % cellHeight) + 1;
break;
default:
Debug.LogError("may be you should case a new type here");
xItemCount = 0;
yItemCount = 0;
break;
}
int maxCount = xItemCount * yItemCount;
//非填满模式截取处理
if (!fillMode)
{
maxCount = Mathf.Min(itemCount, maxCount);
}
if (maxCount > cacheItems.Count)
{
int count = maxCount - cacheItems.Count;
for (int i = 0; i < count; i++)
{
GameObject newItemObj = NGUITools.AddChild(itemContainer.gameObject, templateItem.gameObject);
UIScrollViewItemBase temp = newItemObj.GetComponent <UIScrollViewItemBase> ();
temp.OnInit();
if (onItemInstantiate != null)
{
onItemInstantiate(temp);
}
cacheItems.Add(temp);
}
}
}
