public Column(string headerText, string footerText, Cell cell, double width, string sortKey)
{
HeaderText = headerText;
FooterText = footerText;
HeaderCell = new CellTextHeader();
FooterCell = new CellTextFooter();
ListCell = cell;
this.width = width;
this.sortKey = sortKey;
isSortable = !string.IsNullOrEmpty(sortKey);
}
private void PaintRows(Rectangle clip)
{
sort_column_index = -1;
for (int i = 0; i < column_cache.Length; i++)
{
if (!column_cache [i].Column.Visible)
{
continue;
}
Column column = column_cache [i].Column;
if (sortModel == null)
{
continue;
}
CellTextHeader column_cell = column.HeaderCell as CellTextHeader;
if (column_cell == null)
{
continue;
}
if (column.IsSortable && sortModel.SortColumn == column)
{
sort_column_index = i;
}
}
if (sort_column_index != -1 && (!pressed_column_is_dragging || pressed_column_index != sort_column_index))
{
CachedColumn col = column_cache [sort_column_index];
Theme.DrawRowRule(cairo_context,
list_rendering_alloc.X + col.X1 - (int)hadjustment.Value,
header_rendering_alloc.Bottom + Theme.BorderWidth,
col.Width, list_rendering_alloc.Height + Theme.InnerBorderWidth * 2);
}
clip.Intersect(list_rendering_alloc);
cairo_context.Rectangle(clip.X, clip.Y, clip.Width, clip.Height);
cairo_context.Clip();
cell_context.Clip = clip;
cell_context.TextAsForeground = false;
int vadjustment_value = (int)vadjustment.Value;
int first_row = vadjustment_value / RowHeight;
int last_row;
try {
last_row = Math.Min(model.Count, first_row + RowsInView);
} catch (DbConnectionLostException) {
last_row = first_row + RowsInView;
}
int offset = list_rendering_alloc.Y - vadjustment_value % RowHeight;
Rectangle selected_focus_alloc = Rectangle.Zero;
Rectangle single_list_alloc = new Rectangle();
single_list_alloc.X = list_rendering_alloc.X - (int)(hadjustment.Value);
single_list_alloc.Y = offset;
single_list_alloc.Width = list_rendering_alloc.Width;
single_list_alloc.Height = RowHeight;
int selection_height = 0;
int selection_y = 0;
selected_rows.Clear();
for (int ri = first_row; ri < last_row; ri++)
{
if (Selection != null && Selection.Contains(ri))
{
if (selection_height == 0)
{
selection_y = single_list_alloc.Y;
}
selection_height += single_list_alloc.Height;
selected_rows.Add(ri);
if (Selection.FocusedCell.Row == ri)
{
selected_focus_alloc = single_list_alloc;
}
}
else
{
if (rules_hint && ri % 2 != 0)
{
Theme.DrawRowRule(cairo_context, list_rendering_alloc.X, single_list_alloc.Y,
single_list_alloc.Width, single_list_alloc.Height);
}
if (ri == drag_reorder_row_index && Reorderable)
{
cairo_context.Save();
cairo_context.LineWidth = 1.0;
cairo_context.Antialias = Cairo.Antialias.None;
cairo_context.MoveTo(single_list_alloc.Left, single_list_alloc.Top);
cairo_context.LineTo(single_list_alloc.Right, single_list_alloc.Top);
cairo_context.Color = Theme.Colors.GetWidgetColor(GtkColorClass.Text, StateType.Normal);
cairo_context.Stroke();
cairo_context.Restore();
}
if (Selection != null && Selection.FocusedCell.Row == ri && !Selection.Contains(ri) && AllowSelect)
{
CairoCorners corners = CairoCorners.All;
if (Selection.Contains(ri - 1))
{
corners &= ~(CairoCorners.TopLeft | CairoCorners.TopRight);
}
if (Selection.Contains(ri + 1))
{
corners &= ~(CairoCorners.BottomLeft | CairoCorners.BottomRight);
}
Theme.DrawRowSelection(cairo_context, single_list_alloc.X, single_list_alloc.Y,
single_list_alloc.Width, single_list_alloc.Height, false, true,
Theme.Colors.GetWidgetColor(GtkColorClass.Background, StateType.Selected), corners);
}
if (selection_height > 0)
{
Theme.DrawRowSelection(cairo_context, list_rendering_alloc.X, selection_y, list_rendering_alloc.Width, selection_height);
selection_height = 0;
}
PaintRow(ri, single_list_alloc, StateType.Normal);
}
single_list_alloc.Y += single_list_alloc.Height;
}
if (selection_height > 0)
{
Theme.DrawRowSelection(cairo_context, list_rendering_alloc.X, selection_y,
list_rendering_alloc.Width, selection_height);
}
if (Selection != null && Selection.Count > 1 &&
!selected_focus_alloc.Equals(Rectangle.Zero) && HasFocus)
{
Theme.DrawRowSelection(cairo_context, selected_focus_alloc.X, selected_focus_alloc.Y,
selected_focus_alloc.Width, selected_focus_alloc.Height, false, true,
Theme.Colors.GetWidgetColor(GtkColorClass.Dark, StateType.Selected));
}
foreach (int ri in selected_rows)
{
single_list_alloc.Y = offset + ((ri - first_row) * single_list_alloc.Height);
PaintRow(ri, single_list_alloc, StateType.Selected);
}
cairo_context.ResetClip();
}
