private void OnCustomDrawColumnHeader(object sender, CustomDrawColumnHeaderEventArgs e)
{
if (e.Column == null)
{
return;
}
ColumnInfo info = (ColumnInfo)e.ObjectArgs;
for (int i = 0; i < info.InnerElements.Count; i++)
{
if (info.InnerElements[i].ElementInfo is GridFilterButtonInfoArgs)
{
return;
}
}
GridSmartSkinFilterButtonPainter painter = new GridSmartSkinFilterButtonPainter(UserLookAndFeel.Default);
GridFilterButtonInfoArgs filterButtonInfo = new GridFilterButtonInfoArgs();
filterButtonInfo.Cache = e.Cache;
filterButtonInfo.Graphics = e.Graphics;
DrawElementInfo elementInfo = info.InnerElements.Add(painter, filterButtonInfo);
elementInfo.RequireTotalBounds = true;
info.InnerElements.CalcBounds(e.ObjectArgs, e.Cache, e.Painter.GetObjectClientRectangle(e.ObjectArgs), e.Bounds);
Rectangle captionRect = e.CaptionRect;
captionRect.Width -= elementInfo.ElementInfo.Bounds.Width;
info.CaptionRect = captionRect;
}
private void OnMouseMove(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.None)
{
return;
}
TreeListHitInfo hitInfo = ((TreeList)sender).CalcHitInfo(e.Location);
if (hitInfo.HitInfoType == HitInfoType.Column)
{
ColumnInfo colInfo = ((TreeList)sender).ViewInfo.ColumnsInfo[hitInfo.Column];
GridFilterButtonInfoArgs filterButtonInfo = GetFilterButtonInfoArgs(colInfo);
if (filterButtonInfo != null)
{
if (filterButtonInfo.Bounds.Contains(e.Location))
{
filterButtonInfo.State = ObjectState.Hot;
}
else if (hitInfo.Column == columnFilterEngine.FilterShowingColumn)
{
filterButtonInfo.State = ObjectState.Pressed;
}
else
{
filterButtonInfo.State = ObjectState.Normal;
}
((TreeList)sender).InvalidateColumnHeader(hitInfo.Column);
}
}
else
{
foreach (TreeListColumn col in ((TreeList)sender).Columns)
{
ColumnInfo colInfo = ((TreeList)sender).ViewInfo.ColumnsInfo[col];
GridFilterButtonInfoArgs filterButtonInfo = GetFilterButtonInfoArgs(colInfo);
if (col != columnFilterEngine.FilterShowingColumn && filterButtonInfo != null)
{
if (columnFilterConditions.ContainsColumn(col))
{
filterButtonInfo.State = ObjectState.Selected;
}
else
{
filterButtonInfo.State = ObjectState.Normal;
}
((TreeList)sender).InvalidateColumnHeader(col);
}
}
}
}
private void gridView1_CustomDrawColumnHeader(object sender, DevExpress.XtraGrid.Views.Grid.ColumnHeaderCustomDrawEventArgs e)
{
GridFilterButtonInfoArgs args = null;
foreach (DrawElementInfo deInfo in e.Info.InnerElements)
{
if (deInfo.ElementInfo.GetType() == typeof(GridFilterButtonInfoArgs))
{
args = (GridFilterButtonInfoArgs)deInfo.ElementInfo;
break;
}
}
if (null == args)
{
return;
}
int x = e.Bounds.X + 5;
int y = e.Bounds.Y + e.Bounds.Height / 2 - args.Bounds.Height / 2;
args.Bounds = new Rectangle(new Point(x, y), args.Bounds.Size);
}
private void OnMouseDown(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.Left)
{
return;
}
TreeListHitInfo hitInfo = ((TreeList)sender).CalcHitInfo(e.Location);
if (hitInfo.HitInfoType == HitInfoType.Column)
{
ColumnInfo colInfo = ((TreeList)sender).ViewInfo.ColumnsInfo[hitInfo.Column];
GridFilterButtonInfoArgs filterButtonInfo = GetFilterButtonInfoArgs(colInfo);
if (filterButtonInfo != null && filterButtonInfo.Bounds.Contains(e.Location))
{
filterButtonInfo.State = ObjectState.Pressed;
((TreeList)sender).InvalidateColumnHeader(hitInfo.Column);
throw new HideException();
}
}
}
