private void ColumnFilterAdding(object sender, ColumnFilterEventArgs e)
{
if (e.Column.Name == "Type")
{
e.ColumnFilter = new DgvComboBoxColumnFilter();
}
}
void fm_PopupShowing(object sender, ColumnFilterEventArgs e)
{
DgvFilterManager fm = ((DgvFilterManager)sender);
Rectangle HeaderRectangle = fm.DataGridView.GetCellDisplayRectangle(e.Column.Index, -1, true);
//Show the popup under the column header
fm.FilterHost.Popup.Show(fm.DataGridView, HeaderRectangle.Left, HeaderRectangle.Bottom);
e.Handled = true;
}
void fm_ColumnFilterAdding(object sender, ColumnFilterEventArgs e)
{
switch (e.Column.Name)
{
case "ShipVia":
case "OrderDate":
case "Freight":
e.ColumnFilter = new DgvComboBoxColumnFilter();
break;
}
}
void fm_ColumnFilterAdding(object sender, ColumnFilterEventArgs e)
{
switch (e.Column.Name)
{
case "ShipName":
case "ShipAdress":
e.ColumnFilter = new DgvMultiTextBoxColumnFilter();
break;
case "ShipVia":
case "OrderDate":
case "Freight":
e.ColumnFilter = new DgvMultiCheckBoxColumnFilter();
break;
}
}
void fm_ColumnFilterAdding(object sender, ColumnFilterEventArgs e)
{
switch (e.Column.Name)
{
case "ShipName":
case "ShipAdress":
e.ColumnFilter = new DgvMultiTextBoxColumnFilter();
break;
case "ShipVia":
case "OrderDate":
case "Freight":
e.ColumnFilter = new DgvMultiCheckBoxColumnFilter();
break;
}
}
void fm_ColumnFilterAdding(object sender, ColumnFilterEventArgs e)
{
e.ColumnFilter = new DgvComboBoxColumnFilter();
}
void fm_ColumnFilterAdding(object sender, ColumnFilterEventArgs e)
{
e.ColumnFilter = new DgvComboBoxColumnFilter();
}
void ColumnFilterAdding(object sender, ColumnFilterEventArgs e)
{
switch (e.Column.Name)
{
case "Type":
e.ColumnFilter = new DgvComboBoxColumnFilter();
break;
}
}
private void CreateColumnFilter(DataGridViewColumn c)
{
if (!mAutoCreateFilters) return;
//Raise the event about column filter creation
ColumnFilterEventArgs e = new ColumnFilterEventArgs(c,null);
if (ColumnFilterAdding != null) ColumnFilterAdding(this, e);
//if not provided, by an event handler, proceed with standard filter creation
if (e.ColumnFilter==null) {
Type DataType = null;
if (c.DataPropertyName != "") {
DataType = mBoundDataView.Table.Columns[c.DataPropertyName].DataType;
switch (c.GetType().Name) {
case "DataGridViewComboBoxColumn":
e.ColumnFilter = new DgvComboBoxColumnFilter();
break;
case "DataGridViewCheckBoxColumn":
e.ColumnFilter = new DgvCheckBoxColumnFilter();
break;
case "DataGridViewTextBoxColumn":
if (DataType == typeof(DateTime)) {
e.ColumnFilter = new DgvDateColumnFilter();
}
else
e.ColumnFilter = new DgvTextBoxColumnFilter();
break;
}
}
}
mColumnFilterList[c.Index] = e.ColumnFilter;
if (e.ColumnFilter != null) { // == null when non-data column
if (ColumnFilterAdded != null) ColumnFilterAdded(this, e);
e.ColumnFilter.Init(this, FilterHost, c, mBoundDataView);
}
}
/// <summary>
/// Shows the popup.
/// </summary>
/// <param name="ColumnIndex">Index of the column.</param>
public void ShowPopup(int ColumnIndex)
{
if (mColumnFilterList[ColumnIndex] == null) return; // non-data column
int OldColumnIndex = mCurrentColumnIndex;
mCurrentColumnIndex = ColumnIndex;
Rectangle r = mDataGridView.GetCellDisplayRectangle(ColumnIndex, -1, false); // get the header size info
FilterHost.CurrentColumnFilter = mColumnFilterList[ColumnIndex];
try {
//use "try" because old column could have been removed
mDataGridView.InvalidateCell(OldColumnIndex, -1);
} catch { }
ColumnFilterEventArgs e = new ColumnFilterEventArgs(mDataGridView.Columns[ColumnIndex], mColumnFilterList[ColumnIndex]);
if (PopupShowing != null) PopupShowing(this, e);
if (!e.Handled) FilterHost.Popup.Show(mDataGridView, r.X + r.Width - 4, r.Y - 10); // show the filterhost popup near the column
FilterHost.Popup.Focus();
mDataGridView.InvalidateCell(mCurrentColumnIndex, -1); // Force header repaint (to show a selection yellow frame)
}
