/// <summary>
/// Returns collection of grid columns for the type of data underlying grid rows whose properties are supplied.
/// </summary>
/// <param name="propertyNames">Names of properties whose columns are returned.</param>
/// <returns>Grid column collection.</returns>
/// <typeparam name="TItem">The type of data underlying grid rows.</typeparam>
public IEnumerable <IGridColumn> GetGridColumns <TItem>(params string[] propertyNames)
{
Type itemType = typeof(TItem);
List <IGridColumn> columns = new List <IGridColumn>();
foreach (string propertyName in propertyNames)
{
PropertyInfo propertyInfo = itemType.GetProperty(propertyName);
columns.Add(new GridColumn
{
DisplayName = _dataAnnotationsService.GetPropertyDisplayName <TItem>(propertyName),
ItemPropertyName = propertyName
});
}
return(columns);
}
/// <summary>
/// Returns grid view model given search parameters and a search result.
/// </summary>
/// <typeparam name="TItem">The type of business model found in the search result.</typeparam>
/// <param name="searchParameters">Search parameters.</param>
/// <param name="searchResult">Search result.</param>
/// <param name="properties">Model properties that determine grid column headers.</param>
/// <param name="urlParameters">URL parameters determining hyperlinks found in first grid column.</param>
/// <param name="routePropertyPairs">Determines route values dynamically extracted from business models.</param>
/// <param name="noItemsMessage">String that is displayed when search result contains no items.</param>
/// <returns>Grid of items.</returns>
public Grid GetGrid <TItem>(ISearchParameters searchParameters, ISearchResult <TItem> searchResult, List <string> properties, UrlParameters urlParameters, List <RoutePropertyPair> routePropertyPairs, string noItemsMessage)
{
// Construct grid object
Grid grid = new Grid
{
EmptyMessage = searchResult.Items.Count() == 0 ? noItemsMessage : null,
Headers = new List <GridHeader>(),
Rows = new List <GridRow>(),
Search = searchParameters.Search,
};
// Grid pager
int pageCount = ((searchResult.Total - 1) / searchParameters.PageSize) + 1;
if (pageCount > 1)
{
grid.Pager = new Pager
{
FirstButtonLabel = PagerResource.FirstButtonLabel,
PreviousButtonLabel = PagerResource.PreviousButtonLabel,
NextButtonLabel = PagerResource.NextButtonLabel,
LastButtonLabel = PagerResource.LastButtonLabel,
PageCount = pageCount,
Summary = string.Format(PagerResource.PageAndCountText, searchParameters.PageIndex, pageCount),
Page = searchParameters.PageIndex + 1
};
}
// Populate headers
foreach (string property in properties)
{
grid.Headers.Add(new GridHeader {
Label = _dataAnnotationsService.GetPropertyDisplayName <TItem>(property)
});
}
// Populate rows
UrlHelper urlHelper = null;// new UrlHelper();
foreach (TItem item in searchResult.Items)
{
grid.Rows.Add(GetGridRow(item, properties, urlHelper, urlParameters, routePropertyPairs));
}
// Return the result
return(grid);
}