/// <summary>
/// 汇总区带的汇总格子，按索引来查
/// </summary>
/// <param name="ColumnsIndex">索引是grid的column的index值</param>
/// <returns>汇总数据格子。有可能为空（如果grid该列没有汇总要求）</returns>
public DataGridViewFooterCell this[int ColumnsIndex]
{
get
{
DataGridViewFooterCell lvcell = null;
foreach (DataGridViewFooterCell lvc in Cells)
{
if (ColumnsIndex == lvc.pv_ColumnIndex)
{
lvcell = lvc;
}
}
return(lvcell);
}
}
/// <summary>
/// 汇总行 对应grid的列进行控件初始化。产生对象，且计算值。
/// </summary>
public void InitFooter()
{
DataGridViewFooterCell cellFooter = null;
this.Cells.Clear();
bool frozen = false;
foreach (DataGridViewFooterTag lvFTag in pv_DataGridViewCust.PV_FooterColTag)
{
cellFooter = null;
frozen = pv_DataGridViewCust.Columns[lvFTag.ColumnIndex_Footer].Frozen;
if (lvFTag.FooterStyle == DGVCFooterCellStyle.None)
{
cellFooter = new DataGridViewFooterCell(DGVCFooterCellStyle.None, lvFTag.ColumnIndex_Footer, frozen);
}
if (lvFTag.FooterStyle.ToLower() == DGVCFooterCellStyle.Sum.ToLower())
{
cellFooter = new DataGridViewFooterCell(DGVCFooterCellStyle.Sum, lvFTag.ColumnIndex_Footer, frozen);
}
if (cellFooter != null)
{
if (frozen)
{
this.pv_PanelFrozen.Controls.Add(cellFooter);
}
else
{
this.pv_PanelScroll.Controls.Add(cellFooter);
}
this.Cells.Add(cellFooter);
}
}
this.pt_ReCaculate();
//this.ResumeLayout(false);
}
/// <summary>
/// 等着外部OnLayout调用
/// </summary>
/// <param name="rect"></param>
public void LayoutControl(Rectangle rect)
{
DataGridViewFooterCell lvc = null;
pv_FrozenCount = 0;//冻结列数量
//最左边其实点
int MostLeft = pv_DataGridViewCust.RowHeadersVisible ? pv_DataGridViewCust.RowHeadersWidth : 0;
int leftw = MostLeft;
int sumr = 0;
for (int i = 0; i < this.pv_DataGridViewCust.Columns.Count; i++)
{
if (this.pv_DataGridViewCust.Columns[i].Frozen)//对应列冻结
{
pv_FrozenCount++;
leftw += this.pv_DataGridViewCust.Columns[i].Width;
}
else
{
sumr += this.pv_DataGridViewCust.Columns[i].Width;
}
lvc = this[i];
if (lvc == null)
{
continue;
}
lvc.Width = this.pv_DataGridViewCust.Columns[i].Width - 3;
if (this.pv_DataGridViewCust.Columns[i].Frozen)//对应列冻结
{
lvc.Left = this.pv_DataGridViewCust.GetCellDisplayRectangle(i, -1, false).Left - 2;
//leftw += this.pv_DataGridViewCust.Columns[lvib].Width;
}
else
{
lvc.Left = this.pv_DataGridViewCust.GetCellDisplayRectangle(i, -1, false).Left - leftw - 2;
}
}
//冻结列
////this.RowHeaderWidth = this.pv_DataGridViewCust.RowHeadersWidth - 3;
//int sumw = 0;
//for (int lvib = 0; lvib < this.pv_DataGridViewCust.Columns.Count; lvib++)
//{
// sumw += this.pv_DataGridViewCust.Columns[lvib].Width;
// lvc= this[lvib];
// if (lvc==null){continue;}
// lvc.Width = this.pv_DataGridViewCust.Columns[lvib].Width;
//}
////sumw += RowHeaderWidth;
////this._LeftView.Width = this._RightView.Width = sumw;
//for (int lvib = pv_DataGridViewCust.Columns.Count - 1; lvib >= 0; lvib--)
//{
// if (pv_DataGridViewCust.Columns[lvib].Frozen)
// {
// pv_FrozenCount = ++lvib;
// break;
// }
//}
////最左侧行标题列可见时，要注意
//if (pv_FrozenCount > 0)
//{
// for (int lvib = 0; lvib < pv_FrozenCount; lvib++)
// leftw += pv_DataGridViewCust.Columns[lvib].Width;
//}
pv_PanelFrozen.Width = leftw;
pv_PanelFrozen.Left = rect.Left;
pv_PanelScroll.Left = leftw + rect.Left;
pv_PanelScroll.Width = sumr;// rect.Width - leftw;
//_RightView.Left = -(pv_DataGridViewCust.RowHeadersVisible ? pv_DataGridViewCust.RowHeadersWidth : 0) + 1;
this.Width = rect.Width;
this.Top = rect.Top;
this.Left = rect.Left;
}
