private RouteValueDictionary CreateRouteValuesForSortOptions(GridSortOptions sortOptions, string prefix)
{
if (string.IsNullOrEmpty(prefix))
{
return(new RouteValueDictionary(sortOptions));
}
//There must be a nice way to do this...
return(new RouteValueDictionary(new Dictionary <string, object>()
{
{ prefix + "." + "Column", sortOptions.Column },
{ prefix + "." + "Direction", sortOptions.Direction }
}));
}
protected override void RenderHeaderText(GridColumn <T> column)
{
if (IsSortingEnabled && column.Sortable)
{
string sortColumnName = GenerateSortColumnName(column);
bool isSortedByThisColumn = GridModel.SortOptions.Column == sortColumnName;
var sortOptions = new GridSortOptions
{
Column = sortColumnName
};
if (isSortedByThisColumn)
{
sortOptions.Direction = (GridModel.SortOptions.Direction == SortDirection.Ascending)
? SortDirection.Descending
: SortDirection.Ascending;
}
else //default sort order
{
sortOptions.Direction = column.InitialDirection ?? GridModel.SortOptions.Direction;
}
var routeValues = CreateRouteValuesForSortOptions(sortOptions, GridModel.SortPrefix);
//Re-add existing querystring
foreach (var key in Context.RequestContext.HttpContext.Request.QueryString.AllKeys.Where(key => key != null))
{
if (!routeValues.ContainsKey(key))
{
routeValues[key] = Context.RequestContext.HttpContext.Request.QueryString[key];
}
}
var link = HtmlHelper.GenerateLink(Context.RequestContext, RouteTable.Routes, column.DisplayName, null, null, null, routeValues, null);
RenderText(link);
}
else
{
base.RenderHeaderText(column);
}
}
/// <summary>
/// Specifies that the grid is currently being sorted by the specified column in a particular direction.
/// This overload allows you to specify a prefix.
/// </summary>
public void Sort(GridSortOptions sortOptions, string prefix)
{
_sortOptions = sortOptions;
_sortPrefix = prefix;
}
/// <summary>
/// Secifies that the grid is currently being sorted by the specified column in a particular direction.
/// </summary>
public void Sort(GridSortOptions sortOptions)
{
_sortOptions = sortOptions;
}
public IGridWithOptions <T> Sort(GridSortOptions sortOptions, string prefix)
{
_gridModel.SortOptions = sortOptions;
_gridModel.SortPrefix = prefix;
return(this);
}
public IGridWithOptions <T> Sort(GridSortOptions sortOptions)
{
_gridModel.SortOptions = sortOptions;
return(this);
}