public override void RenderGroupTableRow(KeyValuePair <string, IGridColumn <TModel> >[] groupColumns, IGroupingItem groupItem, bool alternate, int columnCount, IGridGroupOptions groupOptions, bool empty = false)
{
var groupKeys = groupItem != null
? HtmlHelper.AnonymousObjectToHtmlAttributes(groupItem.Key)
: new RouteValueDictionary();
Writer.Write(alternate ? "<tr class=\"alternate\">" : "<tr>");
if (empty)
{
Writer.Write("<td class=\"hierarchy-cell\"> ");
}
else
{
Writer.Write("<td class=\"hierarchy-cell\"><a class=\"grid-icon {0} plus lazy\"></a>", ExpandGroupClass);
}
Writer.Write("</td>");
Writer.Write("<td class=\"grid-group-row\" colspan=\"{0}\">", columnCount + 1);
if (empty)
{
Writer.Write(" ");
}
else
{
for (var i = 0; i < groupColumns.Length; i++)
{
var column = groupColumns[i];
var propertyName = String.Format("Key{0}", i);
var value = groupKeys[propertyName];
groupOptions.GroupKey[column.Key] = value != null?value.ToString() : null;
var columnTitle = column.Value.Title;
if (column.Value.GroupTitleRender != null && value != null)
{
value = column.Value.GroupTitleRender(value);
}
Writer.Write(GridModel.GridRenderOptions.GroupTitleTemplate, columnTitle, value ?? GridRenderOptions.EmptyGroupTitleText);
}
Writer.Write(GridModel.GridRenderOptions.GroupCountTemplate, groupItem != null ? (int?)groupItem.Count : null);
}
Writer.Write("</td>");
Writer.Write("</tr>");
Writer.Write("<tr style=\"display:none;\"><td class=\"hierarchy-cell\"></td>");
Writer.Write("<td class=\"grid-group-row\" colspan=\"{0}\">", columnCount);
RenderGroupGridState(groupOptions);
Writer.Write("</td>");
Writer.Write("<td class=\"hierarchy-cell-right\"></td></tr>");
}
public abstract void RenderGroupTableRow(KeyValuePair <string, IGridColumn <TModel> >[] groupColumns, IGroupingItem groupItem, bool alternate, int columnCount, IGridGroupOptions groupOptions, bool empty = false);