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public class CheckBoxInColumnHeaderGridView
{
string strColumnName = string.Empty;
string strChackValue = string.Empty;
string strUnChackValue = string.Empty;
public CheckBoxInColumnHeaderGridView(GridView gv, string strColumnName = "CHECKBOX", string strChackValue = "1", string strUnChackValue = "0")
{
if (gv.GroupPanelText != "COLUMN EVENT")
{
gv.CustomDrawColumnHeader += gv_CustomDrawColumnHeader;
gv.MouseDown += gv_MouseDown;
gv.GroupPanelText = "COLUMN EVENT";
}
this.strColumnName = strColumnName;
this.strChackValue = strChackValue;
this.strUnChackValue = strUnChackValue;
}
public static RepositoryItem RepCheckEdit(string strCheckedValue = "1", string strUncheckedValue = "0", bool isUnique = false)
{
RepositoryItemCheckEdit repCheck = new RepositoryItemCheckEdit();
repCheck.CheckedChanged += repCheck_CheckedChanged;
repCheck.ValueChecked = strCheckedValue;
repCheck.ValueUnchecked = strUncheckedValue;
repCheck.Tag = isUnique;
return repCheck;
}
static void repCheck_CheckedChanged(object sender, EventArgs e)
{
CheckEdit repCheck = sender as CheckEdit;
PropertyInfo info = typeof(BaseEdit).GetProperty("EditorContainer", BindingFlags.NonPublic | BindingFlags.Instance);
GridControl gc = info.GetValue(repCheck, null) as GridControl;
if (gc == null) return;
GridView gv = gc.MainView as GridView;
bool? isUnique = repCheck.Properties.Tag as bool?;
if (isUnique != null && isUnique == true)
{
DataView dv = gc.DataSource as DataView;
DataTable dt = dv == null ? gc.DataSource as DataTable : dv.Table;
if (dt != null)
{
foreach (DataRow dr in dt.Rows)
{
if (dr[gv.FocusedColumn.FieldName].ToString() == "1") dr[gv.FocusedColumn.FieldName] = repCheck.Properties.ValueUnchecked;
}
}
}
gv.CloseEditor(); gv.UpdateCurrentRow();
gc.Refresh();
}
//컬럼의 헤더를 CheckEdit으로 그려줌.
void gv_CustomDrawColumnHeader(object sender, DevExpress.XtraGrid.Views.Grid.ColumnHeaderCustomDrawEventArgs e)
{
GridView gv = sender as GridView;
if (e.Column == null) return;
if (e.Column.FieldName == strColumnName)
{
e.Info.InnerElements.Clear();
e.Info.Appearance.ForeColor = Color.Blue;
e.Painter.DrawObject(e.Info);
int intCheckCnt = getCheckedCount(gv);
switch (intCheckCnt)
{
case 0:
DrawCheckBox(e.Graphics, e.Bounds, false);
break;
default:
if (intCheckCnt == gv.RowCount) DrawCheckBox(e.Graphics, e.Bounds, true);
else DrawCheckBox(e.Graphics, e.Bounds);
break;
}
e.Handled = true;
}
}
void gv_MouseDown(object sender, MouseEventArgs e)
{
GridView gv = sender as GridView;
if (e.Clicks == 1 && e.Button == MouseButtons.Left)
{
GridHitInfo info;
Point pt = gv.GridControl.PointToClient(Control.MousePosition);
info = gv.CalcHitInfo(pt);
if (info.InColumn && info.Column.FieldName == strColumnName)
{
//Console.WriteLine(string.Format("{0} :: {1}", getCheckedCount(gv), gv.DataRowCount));
if (getCheckedCount(gv) == gv.DataRowCount)
UnChekAll(gv);
else
CheckAll(gv);
} // 모두 체크 되어있을때만 체크를 해제하고 다른 경우에는 모두 체크 한다.
}
}
protected void DrawCheckBox(Graphics g, Rectangle r, bool? Checked = null)
{
RepositoryItemCheckEdit chkedit = new RepositoryItemCheckEdit();
DevExpress.XtraEditors.ViewInfo.CheckEditViewInfo info;
DevExpress.XtraEditors.Drawing.CheckEditPainter painter;
DevExpress.XtraEditors.Drawing.ControlGraphicsInfoArgs args;
info = chkedit.CreateViewInfo() as DevExpress.XtraEditors.ViewInfo.CheckEditViewInfo;
painter = chkedit.CreatePainter() as DevExpress.XtraEditors.Drawing.CheckEditPainter;
info.EditValue = Checked;
info.Bounds = r;
info.PaintAppearance.ForeColor = Color.Black;
info.CalcViewInfo(g);
args = new DevExpress.XtraEditors.Drawing.ControlGraphicsInfoArgs(info, new DevExpress.Utils.Drawing.GraphicsCache(g), r);
painter.Draw(args);
args.Cache.Dispose();
}
// 현재 체크된 곳의 갯수를 가져옴.
int getCheckedCount(GridView gv)
{
int count = 0;
for (int i = 0; i < gv.DataRowCount; i++)
{
if (gv.GetRowCellValue(i, gv.Columns[strColumnName]).ToString() == strChackValue)
count++;
}
return count;
}
// 모두 체크
void CheckAll(GridView gv)
{
for (int i = 0; i < gv.DataRowCount; i++)
{
gv.SetRowCellValue(i, gv.Columns[strColumnName], strChackValue);
}
}
// 모두 체크 해제
void UnChekAll(GridView gv)
{
for (int i = 0; i < gv.DataRowCount; i++)
{
gv.SetRowCellValue(i, gv.Columns[strColumnName], strUnChackValue);
}
}
} | 
