private StyleState GetFilterImageState(GridGroupBox box, out bool inFilter)
{
inFilter = false;
StyleState state = StyleState.Default;
if (box.IsEqualTo(_HitGroupBox) == true)
{
state = StyleState.MouseOver;
if (_HitArea == HeaderArea.InFilterMenu)
inFilter = true;
}
if (string.IsNullOrEmpty(box.Column.FilterExpr) == false)
state |= StyleState.Selected;
return (state);
}
private StyleType GetGroupByStyleType(GridGroupBox box)
{
if (IsMouseDown == true)
{
Point pt = Control.MousePosition;
pt = SuperGrid.PointToClient(pt);
if (box.FilterImageBounds.Contains(pt) == false)
{
if (box.IsDragBox == true || box.IsEqualTo(_MouseDownHitBox))
{
if (box.IsEqualTo(_HitGroupBox) == true)
return (StyleType.SelectedMouseOver);
return (StyleType.Selected);
}
return (StyleType.Default);
}
}
if (box.IsEqualTo(_HitGroupBox) == true)
return (StyleType.MouseOver);
return (StyleType.Default);
}
private bool CanShowFilterImage(GridPanel panel, GridGroupBox box)
{
switch (_FilterImageVisibility)
{
case ImageVisibility.Auto:
if (box.Column.IsFilteringEnabled == true)
{
if (string.IsNullOrEmpty(box.Column.FilterExpr) == false)
return (true);
return (_Dragging == false && box.IsEqualTo(_HitGroupBox) == true);
}
break;
case ImageVisibility.Always:
if (box.Column.IsFilteringEnabled == true)
return (true);
break;
case ImageVisibility.NotSet:
switch (panel.ColumnHeader.FilterImageVisibility)
{
case ImageVisibility.Always:
return (true);
case ImageVisibility.Never:
return (false);
case ImageVisibility.Auto:
if (string.IsNullOrEmpty(box.Column.FilterExpr) == false)
return (true);
return (_Dragging == false && box.IsEqualTo(_HitGroupBox) == true);
}
break;
}
return (false);
}