#region <<单元格合并配置>>
public struct MergeCellsParam
{
public int iStartCellColumn;
public int iStartCellRow;
public int iEndCellColumn;
public int iEndCellRow;
public string strText;
public MergeCellsParam(int _iStartColumn, int _iStartRow, int _iEndColumn, int _iEndRow)
{
iStartCellColumn = _iStartColumn;
iStartCellRow = _iStartRow;
iEndCellColumn = _iEndColumn;
iEndCellRow = _iEndRow;
strText = null;
}
}
public List mMergeCells = new List();
#endregion
#region 获取单元格合并所需的行列
public void UpdateMergeCells()
{
mMergeCells.Clear();
int Sum = 0;
for (int i = 0; i < sql.Upname.Count; i++)
{
if (sql.RootCount[i] > 1)
{
mMergeCells.Add(new MergeCellsParam(0, Sum, 0, Sum + sql.RootCount[i] - 1));
mMergeCells.Add(new MergeCellsParam(1, Sum, 1, Sum + sql.RootCount[i] - 1));
Sum += sql.RootCount[i];
}
else
Sum++;
}
}
#endregion
#region <<单元格合并>>
private void GridView_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
{
for (int i = 0; i < mMergeCells.Count; i++)
{
if (mMergeCells[i].iStartCellRow == mMergeCells[i].iEndCellRow
&& mMergeCells[i].iStartCellColumn == mMergeCells[i].iEndCellColumn)
{
return;
}
var _mergeParam = mMergeCells[i];
if (e.ColumnIndex >= _mergeParam.iStartCellColumn && e.ColumnIndex <= _mergeParam.iEndCellColumn
&& e.RowIndex >= _mergeParam.iStartCellRow && e.RowIndex <= _mergeParam.iEndCellRow)
{
FindRange(e, this.GridView);
}
}
}
#endregion
#region 找到上下行内容相同的行
private void FindRange(DataGridViewCellPaintingEventArgs e, DataGridView myGrid)
{
if (e.CellStyle.Alignment == DataGridViewContentAlignment.NotSet)
{
e.CellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
}
Brush gridBrush = new SolidBrush(GridView.GridColor);
SolidBrush backBrush = new SolidBrush(e.CellStyle.BackColor);
SolidBrush fontBrush = new SolidBrush(e.CellStyle.ForeColor);
int UpRows = 0;
int DownRows = 0;
int count = 0;
int cellwidth = e.CellBounds.Width;
Pen gridLinePen = new Pen(gridBrush);
if (e.Value != null)
{
string curValue = e.Value == null ? "" : e.Value.ToString().Trim();
//MessageBox.Show("curValue:" + curValue);
#region 获取下面的行数
for (int i = e.RowIndex; i < myGrid.Rows.Count; i++)
{
if (myGrid.Rows[i].Cells[e.ColumnIndex].Value != null)
{
if (myGrid.Rows[i].Cells[e.ColumnIndex].Value.ToString().Equals(curValue))
{
//this.Rows[i].Cells[e.ColumnIndex].Selected = this.Rows[e.RowIndex].Cells[e.ColumnIndex].Selected;
DownRows++;
if (e.RowIndex != i)
{
cellwidth = cellwidth < myGrid.Rows[i].Cells[e.ColumnIndex].Size.Width ? cellwidth : myGrid.Rows[i].Cells[e.ColumnIndex].Size.Width;
}
}
else
{
break;
}
}
}
#endregion
#region 获取上面的行数
for (int i = e.RowIndex; i > 0; i--)
{
if (myGrid.Rows[i].Cells[e.ColumnIndex].Value != null)
{
if (myGrid.Rows[i].Cells[e.ColumnIndex].Value.ToString().Equals(curValue))
{
//this.Rows[i].Cells[e.ColumnIndex].Selected = this.Rows[e.RowIndex].Cells[e.ColumnIndex].Selected;
UpRows++;
if (e.RowIndex != i)
{
cellwidth = cellwidth < myGrid.Rows[i].Cells[e.ColumnIndex].Size.Width ? cellwidth : myGrid.Rows[i].Cells[e.ColumnIndex].Size.Width;
}
}
else
{
break;
}
}
}
count = DownRows + UpRows - 1;
if (count < 1)
{
return;
}
}
//if (GridView.Rows[e.RowIndex].Selected)
// {
//backBrush.Color = e.CellStyle.SelectionBackColor;
backBrush.Color = Color.White;
fontBrush.Color = e.CellStyle.SelectionForeColor;
// }
//以背景色填充
e.Graphics.FillRectangle(backBrush, e.CellBounds);
//画字符串
if(e.RowIndex < sql.RootCount[0])
{
PaintingFont(e, cellwidth, UpRows, DownRows, count-1);
}
else
PaintingFont(e, cellwidth, UpRows, DownRows, count);
if (DownRows == 1)
{
e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left, e.CellBounds.Bottom - 1, e.CellBounds.Right - 1, e.CellBounds.Bottom - 1);
count = 0;
}
// 画右边线
e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right - 1, e.CellBounds.Top, e.CellBounds.Right - 1, e.CellBounds.Bottom);
e.Handled = true;
#endregion
}
#endregion
#region 画字符串
// cellwidth = e.CellBounds.Width;
// UpRows上面相同的行数
// DownRows下面相同的行数
// count 总行数
private void PaintingFont(System.Windows.Forms.DataGridViewCellPaintingEventArgs e, int cellwidth, int UpRows, int DownRows, int count)
{
SolidBrush fontBrush = new SolidBrush(e.CellStyle.ForeColor);
int fontheight = (int)e.Graphics.MeasureString(e.Value.ToString(), e.CellStyle.Font).Height;
int fontwidth = (int)e.Graphics.MeasureString(e.Value.ToString(), e.CellStyle.Font).Width;
int cellheight = e.CellBounds.Height;
if (e.CellStyle.Alignment == DataGridViewContentAlignment.MiddleCenter)
{
e.Graphics.DrawString((String)e.Value, e.CellStyle.Font, fontBrush, e.CellBounds.X + (cellwidth - fontwidth) / 2, e.CellBounds.Y - cellheight * (UpRows - 1) + (cellheight * count - fontheight) / 2);
}
}
#endregion
