private static void RowCheckBoxClick(DataGridViewCheckBoxCell RCheckBox)
{
if ((RCheckBox != null) && (RCheckBox.DataGridView is DataGridViewCust))
{
DataGridViewCust dgvC = RCheckBox.DataGridView as DataGridViewCust;
//Modifiy Counter;
foreach (CheckColumTag cct in dgvC.PV_checkColumnsTag)
{
if (cct.PV_ColumnIndex == RCheckBox.ColumnIndex)
{
if ((bool)(RCheckBox.Value.Equals(RCheckBox.TrueValue)) && (cct.PV_TotalCheckedCheckBoxes < dgvC.RowCount))
{
cct.PV_TotalCheckedCheckBoxes++;
}
else if (cct.PV_TotalCheckedCheckBoxes > 0)
{
cct.PV_TotalCheckedCheckBoxes--;
}
//Change state of the header CheckBox.
if (cct.PV_TotalCheckedCheckBoxes < dgvC.RowCount)
{
cct.HeaderCheckBox.Checked = false;
}
else if (cct.PV_TotalCheckedCheckBoxes == dgvC.RowCount)
{
cct.HeaderCheckBox.Checked = true;
}
break;
}
}
}
}
/// <summary>
/// 根据逻辑是否的值来设定值
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void dataGridView_ContactCustDetail_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
{
if (!(sender is DataGridViewCust))
{
return;
}
DataGridViewCheckBoxCell lvc = null;
DataGridViewCell lc = null;
DataGridViewCust dgvC = sender as DataGridViewCust;
foreach (CheckColumTag lvcct in dgvC.PV_checkColumnsTag)
{
if (e.ColumnIndex == lvcct.PV_ColumnIndex)
{
lc = dgvC.Rows[e.RowIndex].Cells[e.ColumnIndex];
if (lc is DataGridViewCheckBoxCell)
{
lvc = lc as DataGridViewCheckBoxCell;
if (lvc.Value != null)
{
if (lvc.ValueType != typeof(System.Boolean))
{
e.Value = (lvc.Value.ToString() == lvcct.TrueValue.ToString());
}
}
}
break;
}
}
}
private static void HeaderCheckBoxClick(CheckBox HCheckBox)
{
if (HCheckBox.Tag == null)
{
return;
}
DataGridViewCust dgvC = HCheckBox.Tag as DataGridViewCust;
dgvC.PV_IsHeaderCheckBoxClicked = true;
DataGridViewCheckBoxCell dgvcbc = null;
foreach (CheckColumTag cct in dgvC.PV_checkColumnsTag)
{
if (dgvC.Columns[cct.PV_ColumnIndex].ReadOnly)
{
continue;
}
if (Object.ReferenceEquals(cct.HeaderCheckBox, HCheckBox))
{
foreach (DataGridViewRow Row in dgvC.Rows)
{
dgvcbc = Row.Cells[cct.PV_ColumnIndex] as DataGridViewCheckBoxCell;
dgvcbc.Value = HCheckBox.Checked ? dgvcbc.TrueValue : dgvcbc.FalseValue;
}
cct.PV_TotalCheckedCheckBoxes = HCheckBox.Checked ? dgvC.RowCount : 0;
}
}
dgvC.EndEdit();
dgvC.PV_IsHeaderCheckBoxClicked = false;
}
void DataGridFooter_ParentChanged(object sender, EventArgs e)
{
if (this.Parent != null && !(this.Parent is DataGridViewCust))
{
throw new Exception("不能将DataGridView添加到非DataGridViewCust控件之中");
}
pv_DataGridViewCust = (DataGridViewCust)this.Parent;
}
/// <summary>
/// check值变化，需要自行提交
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void dgvSelectAll_CurrentCellDirtyStateChanged(object sender, EventArgs e)
{
if (!(sender is DataGridViewCust))
{
return;
}
DataGridViewCust dgvC = sender as DataGridViewCust;
if (dgvC.CurrentCell is DataGridViewCheckBoxCell)
{
DataGridViewCheckBoxCell cell = dgvC.CurrentCell as DataGridViewCheckBoxCell;
dgvC.CommitEdit(DataGridViewDataErrorContexts.Commit);
}
}
private static void dgvSelectAll_ColumnWidthChanged(object sender, DataGridViewColumnEventArgs e)
{
if (!(sender is DataGridViewCust))
{
return;
}
DataGridViewCust dgvC = sender as DataGridViewCust;
foreach (CheckColumTag lvcct in dgvC.PV_checkColumnsTag)
{
//if (e.Column.Index == lvcct.PV_ColumnIndex)
//{
ResetHeaderCheckBoxLocation(dgvC, lvcct.HeaderCheckBox, lvcct.PV_ColumnIndex);
//}
}
}
/// <summary>
/// 标题check位置
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void dgvSelectAll_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
{
if ((e.RowIndex == -1) && (e.ColumnIndex >= 0))
{
if (!(sender is DataGridViewCust))
{
return;
}
DataGridViewCust dgvC = sender as DataGridViewCust;
dgvC.SuspendLayout();
foreach (CheckColumTag lvcct in dgvC.PV_checkColumnsTag)
{
if (e.ColumnIndex == lvcct.PV_ColumnIndex)
{
ResetHeaderCheckBoxLocation(dgvC, lvcct.HeaderCheckBox, lvcct.PV_ColumnIndex);
}
}
dgvC.ResumeLayout();
}
}
//public string RowHeaderText
//{
// get { return this._LeftView.Items[0].SubItems[0].Text; }
// set
// {
// this._LeftView.Items[0].SubItems[0].Text = value;
// this._RightView.Items[0].SubItems[0].Text = value;
// }
//}
//public int RowHeaderWidth
//{
// get { return this._LeftView.Columns[0].Width; }
// set
// {
// this._LeftView.Columns[0].Width = value;
// this._RightView.Columns[0].Width = value;
// }
//}
/// <summary>
/// 构造汇总区时，要传入被汇总的gridview
/// </summary>
/// <param name="dgvGroup"></param>
public DataGridViewFooter(DataGridViewCust dgvGroup)
: base()
{
this.pv_DataGridViewCust = dgvGroup;
//this.Columns = new DataGridFooterColumnCollection();
//this.Visible = false;
//this._ImgList.ImageSize = new Size(1, 18);
//this.Columns = new DataGridFooterColumnCollection(this);
this.BorderStyle = BorderStyle.None;
this.pv_PanelFrozen.BorderStyle = BorderStyle.None;
this.pv_PanelFrozen.BackColor = SystemColors.GradientActiveCaption;
this.pv_PanelScroll.BorderStyle = BorderStyle.None;
this.pv_PanelScroll.BackColor = SystemColors.AppWorkspace;
//this._LeftView.BorderStyle = BorderStyle.None;
//this._RightView.BorderStyle = BorderStyle.None;
this.SuspendLayout();
Graphics g = this.CreateGraphics();
SizeF stringSize = new SizeF();
stringSize = g.MeasureString("合计", this.Font);
this.Height = (int)stringSize.Height + 2;
//
//pv_PanelFrozen
//
this.pv_PanelFrozen.Margin = new Padding(0);
this.pv_PanelFrozen.Height = this.Height;
//
//pv_PanelScroll
//
this.pv_PanelScroll.Margin = new Padding(0);
this.pv_PanelScroll.Height = this.Height;
this.Controls.Add(pv_PanelFrozen);
this.Controls.Add(pv_PanelScroll);
this.ResumeLayout(false);
this.ParentChanged += new EventHandler(DataGridFooter_ParentChanged);
}
/// <summary>
/// 选择一行check
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void dgvSelectAll_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
if (!(sender is DataGridViewCust))
{
return;
}
DataGridViewCust dgvC = sender as DataGridViewCust;
if (e.RowIndex < 0)
{
return;
}
if (!dgvC.PV_IsHeaderCheckBoxClicked)
{
if (dgvC[e.ColumnIndex, e.RowIndex] is DataGridViewCheckBoxCell)
{
RowCheckBoxClick((DataGridViewCheckBoxCell)dgvC[e.ColumnIndex, e.RowIndex]);
}
//dgvC.EndEdit();堆栈溢出 若要更新怎么办？ 溢出原因，因为true false对应的值跟数据源不匹配。导致点check无效，引起check值变化 又回来这个过程。所以，仅仅用标题栏的checkbox后
}
}
private static void ResetHeaderCheckBoxLocation(DataGridViewCust dgvC, CheckBox HeaderCheckBox, int ColumnIndex)
{
//Get the column header cell bounds
Rectangle oRectangle = dgvC.GetCellDisplayRectangle(ColumnIndex, -1, true);
HeaderCheckBox.Height = oRectangle.Height - 4;
if (oRectangle.Width > 4)
{
HeaderCheckBox.Visible = (dgvC.Columns[ColumnIndex].ReadOnly != true) && (dgvC.ReadOnly != true);;
HeaderCheckBox.Width = oRectangle.Width - 4;
}
else
{
HeaderCheckBox.Visible = false;
}
//HeaderCheckBox.Location = oRectangle.Location;
Point oPoint = new Point();
oPoint.X = oRectangle.Location.X + 2;
oPoint.Y = oRectangle.Location.Y + 1;
////Change the location of the CheckBox to make it stay on the header
HeaderCheckBox.Location = oPoint;
}