/// <summary>
/// 显示统计信息
/// </summary>
private void ShowSummaryTextInfo()
{
int icnt = this._SummaryContainer.Controls.Count;
_FirstColSumTextType = SummaryTextType.None;
foreach (Control ctr in this._SummaryContainer.Controls)
{
SummaryTextBox sumTextBox = ctr as SummaryTextBox;
if (sumTextBox == null)
{
continue;
}
if (sumTextBox.Name == "RowsHeader_Label")
{
continue;
}
DataGridViewColumn currCell = this.GridViewColumns[sumTextBox.Name];
if (currCell == null)
{
continue;
}
sumTextBox.ForeColor = this._SummaryRowForeColor;
sumTextBox.BackColor = this._SummaryRowBackColor;
if (sumTextBox.IsHeaderLabel)
{//如果SummaryTextBox的IsHeaderLabel为true则显示统计标题文本
sumTextBox.Text = this._SummaryHeaderText;
sumTextBox.TextAlign = HorizontalAlignment.Center;
sumTextBox.Font = new Font(this.DefaultCellStyle.Font, this._SummaryHeaderBold ? FontStyle.Bold : FontStyle.Regular);
_FirstColSumTextType = SummaryTextType.Text;
sumTextBox.Invalidate();
continue;
}
if (sumTextBox.IsSummary)
{//如果是SummaryTextBox的IsSummary为true则计算对应列的合计
sumTextBox.Text = this.CalcSum(currCell);
sumTextBox.FormatString = currCell.DefaultCellStyle.Format;
sumTextBox.TextAlign = AligmentHelper.TranslateGridColumnAligment(currCell.DefaultCellStyle.Alignment);
sumTextBox.Invalidate();
continue;
}
if (!sumTextBox.IsHeaderLabel && !sumTextBox.IsSummary)
{
sumTextBox.Text = "";
sumTextBox.Invalidate();
}
}
this._SummaryRowHeaderLabel.Text = "√";
//如果第一列是文本,则将统计文本设置到_SummaryRowHeaderLabel
if (_FirstColSumTextType != SummaryTextType.Text)
{
this._SummaryRowHeaderLabel.Text = this._SummaryHeaderText;
}
this._SummaryRowHeaderLabel.TextAlign = HorizontalAlignment.Center;
this._SummaryRowHeaderLabel.Font = new Font(this.DefaultCellStyle.Font, this._SummaryHeaderBold ? FontStyle.Bold : FontStyle.Regular);
this._SummaryRowHeaderLabel.Invalidate();
}
private void RefreshSummaryTextBoxCache()
{
if (this._SummaryColumns == null || this._SummaryColumns.Length == 0)
{
this._SummaryContainer.Visible = false;
return;
}
this._SummaryContainer.Visible = this._SummaryRowVisible;
//统计列
for (int i = 0; i < this._SummaryColumns.Length; i++)
{
if (this.GridViewColumns.ContainsKey(_SummaryColumns[i]))
{
SummaryTextBox sumTextBox = new SummaryTextBox();
DataGridViewColumn currCol = this.GridViewColumns[_SummaryColumns[i]];
sumTextBox.Name = currCol.DataPropertyName.Trim() == "" ? currCol.Name : currCol.DataPropertyName;
sumTextBox.IsSummary = true;
sumTextBox.IsHeaderLabel = false;
if (!this._SummaryTextHashTable.ContainsKey(currCol))
{
this._SummaryTextHashTable.Add(currCol, sumTextBox);
}
if (currCol.DisplayIndex == 0)
{
_FirstColSumTextType = SummaryTextType.Number;
}
}
}
//非统计列
foreach (DataGridViewColumn currCol in this.GridViewColumns.Values)
{
if (!_SummaryTextHashTable.ContainsKey(currCol))
{
SummaryTextBox sumTextBox = new SummaryTextBox();
sumTextBox.Name = currCol.DataPropertyName.Trim() == "" ? currCol.Name : currCol.DataPropertyName;
sumTextBox.IsSummary = false;
sumTextBox.IsHeaderLabel = false;
this._SummaryTextHashTable.Add(currCol, sumTextBox);
}
}
foreach (DataGridViewColumn currCol in this.GridViewColumns.Values)
{
if (_FirstColSumTextType == SummaryTextType.None)
{
//取得当前列的下一列
DataGridViewColumn NextCol = this.Columns.GetNextColumn(currCol, DataGridViewElementStates.None, DataGridViewElementStates.None);
if (NextCol == null)
{
break;
}
if (NextCol.Name.Trim() == "")
{
continue;
}
SummaryTextBox nextSumTextBox = this._SummaryTextHashTable[NextCol] as SummaryTextBox;
SummaryTextBox currSumTextBox = this._SummaryTextHashTable[currCol] as SummaryTextBox;
currSumTextBox.Name = currCol.DataPropertyName.Trim() == "" ? currCol.Name : currCol.DataPropertyName;
//如果下一列对应是SummaryTextBox实例是合计，且第一列不是头列时设置第一列为头列类型
if (nextSumTextBox.IsSummary && _FirstColSumTextType != SummaryTextType.Text)
{
currSumTextBox.IsHeaderLabel = true;
currSumTextBox.IsSummary = false;
currSumTextBox.Visible = true;
_FirstColSumTextType = SummaryTextType.Text;
}
else
{
currSumTextBox.IsHeaderLabel = false;
currSumTextBox.IsSummary = false;
currSumTextBox.Visible = false;
}
}
}
}
