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@@ -1,15 +1,33 @@
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-using DevExpress.XtraGrid.Views.Grid;
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+using DevExpress.XtraEditors;
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+using DevExpress.XtraGrid.Columns;
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+using DevExpress.XtraGrid.Views.Grid;
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+using DevExpress.XtraGrid.Views.Grid.ViewInfo;
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+using System.Drawing;
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+using System.Windows.Forms;
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+using System.Windows.Forms.VisualStyles;
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namespace UAS_DeviceMonitor.CustomerControl.GridViewWithSerialNum
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{
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public partial class GridViewWithSerialNum : GridView
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{
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+
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+ string fieldName = "COLUMNCHECKED";
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+
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+ private Rectangle checkBoxColumnHeaderRect = Rectangle.Empty;
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+
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+ private GridColumn checkBoxColumn = null;
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+
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public GridViewWithSerialNum()
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{
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InitializeComponent();
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IndicatorWidth = 30;
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}
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+ /// <summary>
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+ /// 绘制行号
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+ /// </summary>
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+ /// <param name="sender"></param>
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+ /// <param name="e"></param>
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private void GridViewWithSerialNum_CustomDrawRowIndicator(object sender, RowIndicatorCustomDrawEventArgs e)
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{
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if (e.Info.IsRowIndicator && e.RowHandle >= 0)
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@@ -17,5 +35,138 @@ namespace UAS_DeviceMonitor.CustomerControl.GridViewWithSerialNum
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e.Info.DisplayText = (e.RowHandle + 1).ToString();
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}
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}
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+
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+ /// <summary>
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+ /// 绘制指定的列头的CheckBox
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+ /// </summary>
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+ /// <param name="sender"></param>
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+ /// <param name="e"></param>
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+ private void GridViewWithSerialNum_CustomDrawColumnHeader(object sender, ColumnHeaderCustomDrawEventArgs e)
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+ {
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+ if (e.Column != null && e.Column.FieldName == fieldName)
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+ {
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+ checkBoxColumnHeaderRect = e.Bounds;
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+ checkBoxColumn = e.Column;
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+ e.Column.Caption = " ";
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+ //须把列头标题设置为空
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+ e.Painter.DrawObject(e.Info);
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+ //在列头中心显示复选框
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+ int x = e.Bounds.X + (int)((e.Bounds.Width - CheckBoxRenderer.GetGlyphSize(e.Graphics, CheckBoxState.UncheckedNormal).Width) * 0.5);
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+ int y = e.Bounds.Y + (int)((e.Bounds.Height - CheckBoxRenderer.GetGlyphSize(e.Graphics, CheckBoxState.UncheckedNormal).Height) * 0.5);
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+ Point location = new Point(x, y);
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+ CheckBoxState checkBoxState;
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+ if (e.Column.Tag != null && e.Column.Tag.ToString() == "1")
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+ checkBoxState = CheckBoxState.CheckedPressed;
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+ else
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+ checkBoxState = CheckBoxState.UncheckedNormal;
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+ CheckBoxRenderer.DrawCheckBox(e.Graphics, location, checkBoxState);
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+ e.Handled = true;
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+ }
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+ }
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+
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+ /// <summary>
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+ /// 执行全部勾选或者全部不勾选
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+ /// </summary>
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+ /// <param name="sender"></param>
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+ /// <param name="e"></param>
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+ private void GridViewWithSerialNum_MouseDown(object sender, MouseEventArgs e)
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+ {
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+ SyncCheckStatus(this, fieldName, e);
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+ }
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+
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+ /// <summary>
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+ /// 绘制列头的CheckBox
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+ /// </summary>
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+ /// <param name="sender"></param>
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+ /// <param name="e"></param>
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+ private void GridViewWithSerialNum_MouseUp(object sender, MouseEventArgs e)
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+ {
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+ if (checkBoxColumnHeaderRect != Rectangle.Empty)
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+ {
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+ if (e.X > checkBoxColumnHeaderRect.X && e.X < (checkBoxColumnHeaderRect.X + checkBoxColumnHeaderRect.Width) && e.Y > checkBoxColumnHeaderRect.Y && e.Y < (checkBoxColumnHeaderRect.Y + checkBoxColumnHeaderRect.Height))
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+ {
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+ if (checkBoxColumn.Tag != null && checkBoxColumn.Tag.ToString() == "1" && CheckRowCount == RowCount)
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+ checkBoxColumn.Tag = "0";
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+ //在这写未全选逻辑
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+ else
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+ checkBoxColumn.Tag = "1";
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+ //在这写全选逻辑
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+ //InvalidateColumnHeader(checkBoxColumn);
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+ }
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+ }
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+ }
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+ /// <summary>
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+ /// GridViewWithSerialNum_MouseUp事件最后执行，提前记录勾选的行号，防止后面统计错误
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+ /// </summary>
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+ static int CheckRowCount;
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+ public static void SyncCheckStatus(GridView view, string fieldeName, MouseEventArgs e)
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+ {
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+ if (e.Button == MouseButtons.Left)
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+ {
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+ view.ClearSorting();
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+ view.PostEditor();
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+ GridHitInfo _info;
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+ Point _pt = view.GridControl.PointToClient(Control.MousePosition);
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+ _info = view.CalcHitInfo(_pt);
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+ if (_info.InColumn && _info.Column.FieldName.Equals(fieldeName))
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+ {
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+ CheckRowCount = getCheckedCount(view, fieldeName);
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+ if (CheckRowCount == view.DataRowCount)
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+ UnChekAll(view, fieldeName);
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+ else
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+ CheckAll(view, fieldeName);
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+ }
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+ }
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+ }
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+
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+ /// <summary>
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+ /// 通过勾选的行数和总行数来判断下一次点击是否全部勾选
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+ /// </summary>
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+ /// <param name="view"></param>
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+ /// <param name="filedName"></param>
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+ /// <returns></returns>
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+ private static int getCheckedCount(GridView view, string filedName)
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+ {
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+ int count = 0;
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+ for (int i = 0; i < view.DataRowCount; i++)
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+ {
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+ object _cellValue = view.GetRowCellValue(i, view.Columns[filedName]);
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+ if (_cellValue == null) continue;
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+ if (string.IsNullOrEmpty(_cellValue.ToString().Trim())) continue;
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+ bool _checkStatus = false;
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+ if (bool.TryParse(_cellValue.ToString() == "0" ? "false" : "true", out _checkStatus))
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+ {
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+ if (_checkStatus)
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+ count++;
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+ }
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+ }
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+ return count;
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+ }
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+
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+ /// <summary>
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+ /// 设置全选
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+ /// </summary>
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+ /// <param name="view"></param>
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+ /// <param name="fieldName"></param>
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+ private static void CheckAll(GridView view, string fieldName)
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+ {
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+ for (int i = 0; i < view.DataRowCount; i++)
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+ {
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+ view.SetRowCellValue(i, fieldName, true);
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+ }
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+ }
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+
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+ /// <summary>
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+ /// 设置全部不选
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+ /// </summary>
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+ /// <param name="view"></param>
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+ /// <param name="fieldName"></param>
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+ private static void UnChekAll(GridView view, string fieldName)
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+ {
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+ for (int i = 0; i < view.DataRowCount; i++)
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+ {
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+ view.SetRowCellValue(i, fieldName, false);
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+ }
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+ }
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}
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-}
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+}
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