public override void InternalRender(RenderContext context)
{
if (_rowInfosDirty)
{
UpdateRowInfos();
_rowInfosDirty = false;
}
if (Active && HoverRow != null && HoverRow != SelectedRow && SelectionHoverBackground != null)
{
SelectionHoverBackground.Draw(context, HoverRow.RowBounds);
}
if (SelectedRow != null && SelectedRow.RowVisible && SelectionBackground != null)
{
SelectionBackground.Draw(context, SelectedRow.RowBounds);
}
base.InternalRender(context);
}
private void RenderSelection(RenderContext context)
{
var bounds = ActualBounds;
switch (GridSelectionMode)
{
case GridSelectionMode.None:
break;
case GridSelectionMode.Row:
{
if (HoverRowIndex != null && HoverRowIndex != SelectedRowIndex && SelectionHoverBackground != null)
{
var rect = Rectangle.Intersect(new Rectangle(bounds.Left,
_cellLocationsY[HoverRowIndex.Value] + bounds.Top - RowSpacing / 2,
bounds.Width,
_rowHeights[HoverRowIndex.Value] + RowSpacing), context.View);
SelectionHoverBackground.Draw(context, rect);
}
if (SelectedRowIndex != null && SelectionBackground != null)
{
var rect = Rectangle.Intersect(new Rectangle(bounds.Left,
_cellLocationsY[SelectedRowIndex.Value] + bounds.Top - RowSpacing / 2,
bounds.Width,
_rowHeights[SelectedRowIndex.Value] + RowSpacing), context.View);
SelectionBackground.Draw(context, rect);
}
}
break;
case GridSelectionMode.Column:
{
if (HoverColumnIndex != null && HoverColumnIndex != SelectedColumnIndex && SelectionHoverBackground != null)
{
var rect = Rectangle.Intersect(new Rectangle(_cellLocationsX[HoverColumnIndex.Value] + bounds.Left - ColumnSpacing / 2,
bounds.Top,
_colWidths[HoverColumnIndex.Value] + ColumnSpacing,
bounds.Height), context.View);
SelectionHoverBackground.Draw(context, rect);
}
if (SelectedColumnIndex != null && SelectionBackground != null)
{
var rect = Rectangle.Intersect(new Rectangle(_cellLocationsX[SelectedColumnIndex.Value] + bounds.Left - ColumnSpacing / 2,
bounds.Top,
_colWidths[SelectedColumnIndex.Value] + ColumnSpacing,
bounds.Height), context.View);
SelectionBackground.Draw(context, rect);
}
}
break;
case GridSelectionMode.Cell:
{
if (HoverRowIndex != null && HoverColumnIndex != null &&
(HoverRowIndex != SelectedRowIndex || HoverColumnIndex != SelectedColumnIndex) &&
SelectionHoverBackground != null)
{
var rect = Rectangle.Intersect(new Rectangle(_cellLocationsX[HoverColumnIndex.Value] + bounds.Left - ColumnSpacing / 2,
_cellLocationsY[HoverRowIndex.Value] + bounds.Top - RowSpacing / 2,
_colWidths[HoverColumnIndex.Value] + ColumnSpacing,
_rowHeights[HoverRowIndex.Value] + RowSpacing), context.View);
SelectionHoverBackground.Draw(context, rect);
}
if (SelectedRowIndex != null && SelectedColumnIndex != null && SelectionBackground != null)
{
var rect = Rectangle.Intersect(new Rectangle(_cellLocationsX[SelectedColumnIndex.Value] + bounds.Left - ColumnSpacing / 2,
_cellLocationsY[SelectedRowIndex.Value] + bounds.Top - RowSpacing / 2,
_colWidths[SelectedColumnIndex.Value] + ColumnSpacing,
_rowHeights[SelectedRowIndex.Value] + RowSpacing), context.View);
SelectionBackground.Draw(context, rect);
}
}
break;
}
}
