private void cell_FilterPopup(object sender, ColumnHeaderCellEventArgs e)
{
if (Columns.Contains(e.Column))
{
ColumnMenu filterMenu = e.FilterMenu;
DataGridViewColumn column = e.Column;
System.Drawing.Rectangle rect = GetCellDisplayRectangle(column.Index, -1, true);
if (filteredColumns.Contains(column.Name))
{
filterMenu.Show(this, rect.Left, rect.Bottom, false);
}
else
{
filteredColumns.Add(column.Name);
if (filterorderList.Count() > 0 && filterorderList.Last() == column.Name)
{
filterMenu.Show(this, rect.Left, rect.Bottom, true);
}
else
{
filterMenu.Show(this, rect.Left, rect.Bottom, ColumnMenu.GetValuesForFilter(this, column.Name));
}
}
}
}
private void cell_SortChanged(object sender, ColumnHeaderCellEventArgs e)
{
if (Columns.Contains(e.Column))
{
ColumnMenu filterMenu = e.FilterMenu;
DataGridViewColumn column = e.Column;
sortorderList.Remove(column.Name);
if (filterMenu.ActiveSortType != ColumnMenu.SortType.None)
{
sortorderList.Add(column.Name);
}
SortString = BuildSortString();
}
}
public ColumnHeader(DataGridViewColumnHeaderCell cell, bool filterEnabled)
{
Tag = cell.Tag;
ErrorText = cell.ErrorText;
ToolTipText = cell.ToolTipText;
Value = cell.Value;
ValueType = cell.ValueType;
ContextMenuStrip = cell.ContextMenuStrip;
Style = cell.Style;
_filterEnabled = filterEnabled;
ColumnHeader oldCellt = cell as ColumnHeader;
if (oldCellt != null && oldCellt.MenuStrip != null)
{
MenuStrip = oldCellt.MenuStrip;
_filterImage = oldCellt._filterImage;
_filterButtonPressed = oldCellt._filterButtonPressed;
_filterButtonOver = oldCellt._filterButtonOver;
_filterButtonOffsetBounds = oldCellt._filterButtonOffsetBounds;
_filterButtonImageBounds = oldCellt._filterButtonImageBounds;
MenuStrip.FilterChanged += new EventHandler(menuStrip_FilterChanged);
MenuStrip.SortChanged += new EventHandler(menuStrip_SortChanged);
MenuStrip.HexChanged += new EventHandler(menuStrip_HexChanged);
MenuStrip.HideChanged += new EventHandler(menuStrip_HideChanged);
}
else
{
MenuStrip = new ColumnMenu(cell.OwningColumn.ValueType);
MenuStrip.FilterChanged += new EventHandler(menuStrip_FilterChanged);
MenuStrip.SortChanged += new EventHandler(menuStrip_SortChanged);
MenuStrip.HexChanged += new EventHandler(menuStrip_HexChanged);
MenuStrip.HideChanged += new EventHandler(menuStrip_HideChanged);
MenuStrip.IsSortEnabled = true;
MenuStrip.IsFilterEnabled = true;
}
}
public ColumnHeaderCellEventArgs(ColumnMenu filterMenu, DataGridViewColumn column)
{
FilterMenu = filterMenu;
Column = column;
}
