/// <summary>
///在执行PlayPannelEffect 时隐藏项执行的操作 可以为空
///用于特定条件下自定义了Item 操作而需要恢复
/// </summary>
/// <param name="_operateItemTrans">操作的项</param>
/// <param name="_isOpen"></param>
protected virtual void LayoutEffect_EffectOfHideItem(BaseLayoutButton _itemButton, bool _isOpen)
{
if (_isOpen) //需要考虑是否有必要执行
{ //由于创建时有缩放 在这里每次打开时恢复正常大小 避免无法显示
_itemButton.rectTransform.localScale = Vector3.one;
}
}
}//IF
/// <summary>
/// 生成面板时创建 ItemButton，后面不再重新创建 ,初始创建时列表项以及
/// 用于滚动的额外列表项已经排列整齐，并且不可见状态
/// </summary>
protected void LayoutInitial_CreateItemUIButton()
{
if (!IsFirstTimeShow)
{
return; //只有第一次展示才生成
}
IsFirstTimeShow = false;
if (m_HorizontalLayout)
{
AllViewItemBtnRefences = new List <BaseLayoutButton>(RowNumber * (ColumnNumber + m_ScrollSpeed)); //创建保存可视区域UI按钮的引用数组
}
else
{
AllViewItemBtnRefences = new List <BaseLayoutButton>(ColumnNumber * (RowNumber + m_ScrollSpeed));
}
#region 普通的一次全部创建列表项视图
RectTransform _newItemButton;
int _xIndex, _yIndex;
int itemBtnTotalCount = 0; //需要创建的ItemButton 数量
if (m_HorizontalLayout)
{
itemBtnTotalCount = RowNumber * (ColumnNumber + m_ScrollSpeed);
}
else
{
itemBtnTotalCount = ColumnNumber * (RowNumber + m_ScrollSpeed);
}
for (int _index = 0; _index < itemBtnTotalCount; ++_index)
{
_newItemButton = (Instantiate(m_ItemPrefab, m_ListPanelRectTrans) as GameObject).transform as RectTransform;
_newItemButton.gameObject.SetActive(true);
_newItemButton.gameObject.name = "Item" + _index;
_newItemButton.localScale = Vector3.one;
_newItemButton.localRotation = Quaternion.identity;
if (m_HorizontalLayout)
{ //从左向右 从上到下创建
_xIndex = _index / (ColumnNumber + m_ScrollSpeed); //显示的行索引
_yIndex = _index % (ColumnNumber + m_ScrollSpeed); //列索引
}
else
{ //从上到下 从左到右创建
_xIndex = _index % (RowNumber + m_ScrollSpeed); //显示行的索引
_yIndex = _index / (RowNumber + m_ScrollSpeed); //列索引
}
_newItemButton.anchoredPosition = new Vector2(_yIndex * (itemRect.x + m_ItemSpace.x) + itemRect.x * 0.5f, -1 * _xIndex * (itemRect.y + m_ItemSpace.y) - itemRect.y * 0.5f)
+ new Vector2(-1 * m_ListPanelRectTrans.sizeDelta.x / 2f, m_ListPanelRectTrans.sizeDelta.y / 2f);
BaseLayoutButton _itemButton = _newItemButton.GetComponent <BaseLayoutButton>();
LayoutInitial_AfterItemUIButtonCreate(_itemButton, _index, _xIndex, _yIndex);
_newItemButton.gameObject.SetActive(false);
AllViewItemBtnRefences.Add(_itemButton);
}
//Debug.Log("完成阶段 CreateItemButton " +gameObject.name);
#endregion
}
/// <summary>
/// 填充具体的Button的视图
/// </summary>
/// <param name="_operateTrans">操作对象</param>
/// <param name="_data">数据参数</param>
protected void FillItemButtonData(RectTransform _operateTrans, int _dateIndex, int _relativeIndexList, int _relativeIndexItem)
{
BaseLayoutButton button = _operateTrans.GetComponent <BaseLayoutButton>();
if (button == null)
{
return;
}
button.InitialButtonItem(this, _dateIndex, _relativeIndexList, _relativeIndexItem);
}
/// <summary>
/// 列表项被创建出来之后执行的操作 一般用于进行初始化设置和保存数据
/// </summary>
/// <typeparam name="TButton"></typeparam>
/// <param name="_operateButton"></param>
/// <param name="_index"></param>
/// <param name="_rowIndex"></param>
/// <param name="_columnIndex"></param>
protected virtual void LayoutInitial_AfterItemUIButtonCreate(BaseLayoutButton _itemButton, int _index, int _rowIndex, int _columnIndex)
{
if (_itemButton == null)
{
Debug.LogError("LayoutInitial_AfterItemUIButtonCreate Fail,No BaseLayoutButton ComPonent");
return;
}
_itemButton.StorePosition(_itemButton.rectTransform.anchoredPosition, _itemButton.rectTransform.TransformPoint(Vector3.zero), _index, _index);//获得要显示时的局部坐标和世界坐标
if (OnLayoutInitial_AfterItemUIButtonCreateAct != null)
{
OnLayoutInitial_AfterItemUIButtonCreateAct(_itemButton); //执行自定义初始化逻辑
}
}
/// <summary>
/// 数据层有一个对象改变时候
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="collEvent"></param>
/// <param name="newData"></param>
/// <param name="_dex"></param>
/// <param name="_data"></param>
/// <param name="sourceData"></param>
public virtual void DataModelChangeSignal <T>(CollectionEvent collEvent, T newData, int _dex, T _data, IList <T> sourceData)
{
int maxVaue = 0; //获得当前能显示的数据最大数量(在这个范围内的数据改变需要刷新，否则只需要更新数据源数据即可)
if (m_HorizontalLayout)
{
maxVaue = (m_InitialItemCount + RowNumber - 1) / RowNumber * RowNumber;
}
else
{
maxVaue = (m_InitialItemCount + ColumnNumber - 1) / ColumnNumber * ColumnNumber;
}
maxVaue = Mathf.Max(maxVaue, ColumnNumber * RowNumber); //最小的显示区域既是初始设置的显示区域
RectTransform item = null;
// Debug.Log(_dex+ " maxVaue= " +maxVaue + " " + m_InitialItemCount);
switch (collEvent)
{
case CollectionEvent.AddSignal:
#region AddSignal
if (m_LayoutState != LayoutState.Idle)
{
Scroll_ForceStopScroll();
DataModelChangeSignal <T>(collEvent, newData, _dex, _data, sourceData);
return;
}
#region AddSignal
if (_dex >= maxVaue)
{
//Debug.Log("新数据不再显示区域不需要重构" + _dex + " m_InitialItemCount=" + m_InitialItemCount);
SavaDataSource(sourceData.Count);
return;
} //新数据不再显示区域不需要重构
ReBuildView(sourceData.Count, true, true);
#endregion
#endregion
break;
case CollectionEvent.DeleteSignal:
#region DeleteSignal
if (m_LayoutState != LayoutState.Idle)
{
Scroll_ForceStopScroll();
DataModelChangeSignal <T>(collEvent, newData, _dex, _data, sourceData);
return;
}
if (_dex > maxVaue)
{
// Debug.Log("新数据不再显示区域不需要重构" + _dex + " m_InitialItemCount=" + m_InitialItemCount);
Reset_ClearData(true, true, false); //重构数据源
SavaDataSource(sourceData.Count);
return;
} //新数据不再显示区域不需要重构
ReBuildView(sourceData.Count, true, true);
#endregion
break;
case CollectionEvent.Update:
BaseLayoutButton button = GetItemBaseLayoutButtonComponent(_dex);
if (button == null)
{
Debug.LogError("Update Fail Miss " + _dex);
return;
}
if (button.gameObject.activeSelf)
{
button.UpdateData(collEvent, newData);
return;
}
#region 旧的处理方式
//#region Horizontal
//if (m_HorizontalLayout)
//{
// for (int row = 0; row < RowNumber; ++row)
// {
// for (int _column = 0; _column < ColumnNumber + m_ScrollSpeed; ++_column)
// {
// item = m_ListPanelRectTrans.Getchild_Ex(row * (ColumnNumber + m_ScrollSpeed) + _column);
// BaseLayoutButton button = GetItemBaseLayoutButtonComponent(item);
// if (button == null)
// {
// Debug.LogError("Miss " + _dex);
// continue;
// }
// if (button.m_DataIndex == _dex && item.gameObject.activeSelf)
// {
// button.UpdateData(collEvent, newData);
// // Debug.Log(_column + "更新数据 " + item.gameObject.name);
// return;
// }
// }
// }
// return;
//}
//#endregion
//#region Vertical
//for (int _column = 0; _column < ColumnNumber; ++_column)
//{
// for (int row = 0; row < RowNumber; ++row)
// {
// item = m_ListPanelRectTrans.Getchild_Ex(_column * (RowNumber + m_ScrollSpeed) + row);
// BaseLayoutButton button = GetItemBaseLayoutButtonComponent(item);
// if (button == null)
// {
// Debug.LogError("Miss " + _dex);
// continue;
// }
// if (button.m_DataIndex == _dex && item.gameObject.activeSelf)
// {
// // Debug.Log(_column + "更新数据 " + item.gameObject.name);
// button.UpdateData(collEvent, newData);
// return;
// }
// }
//}
//#endregion
#endregion
break;
}
}