public static MvcHtmlString SortColumnFor <TModel, TSortName, TSortOrder>(this HtmlHelper <TModel> htmlHelper,
Expression <Func <TModel, TSortName> > sortNameExpression,
Expression <Func <TModel, TSortOrder> > sortOrderExpression,
BaseFilterViewModel model,
string formId,
//Func<int, string> sortingUrl,
// AjaxOptions ajaxOptions,
string title,
string sortColumn,
string ascendingStyleClass,
string descendingStyleClass)
{
var sortNameFieldId = htmlHelper.FieldIDFor(sortNameExpression);
var sortOrderFieldId = htmlHelper.FieldIDFor(sortOrderExpression);
var currentSortName = (string)ModelMetadata.FromLambdaExpression(sortNameExpression, htmlHelper.ViewData).Model;
var currentSortOrder = (bool)ModelMetadata.FromLambdaExpression(sortOrderExpression, htmlHelper.ViewData).Model;
var isCurrentSorted = currentSortName == sortColumn;
var sortOrder = isCurrentSorted ? !currentSortOrder : true;
model.SetPropertyValue(m => m.SortColumn, sortColumn);
var formSubmitScriptTemplate = "event.preventDefault();$('#{0}').val('{1}');$('#{2}').val('{3}');$('form#{4}').trigger('reset');$('form#{4}').trigger('submit');";
var builder = new TagBuilder("a");
builder.SetInnerText(title);
// builder.Attributes.Add("href", sortingUrl(1));
builder.Attributes.Add("href", "#");
builder.Attributes.Add("onclick", String.Format(formSubmitScriptTemplate, sortNameFieldId, sortColumn, sortOrderFieldId, sortOrder, formId));
//if (ajaxOptions != null)
//{
// foreach (var ajaxOption in ajaxOptions.ToUnobtrusiveHtmlAttributes())
// builder.Attributes.Add(ajaxOption.Key, ajaxOption.Value.ToString());
//}
if (isCurrentSorted)
{
builder.AddCssClass(currentSortOrder ? ascendingStyleClass : descendingStyleClass);
}
return(MvcHtmlString.Create(builder.ToString(TagRenderMode.Normal)));
}
//public static MvcHtmlString PageSizeFor<TModel, TValue>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, TValue>> pageSizeExpression, IDictionary<string, string> pageSizes, string formId, string styleClass)
//{
// var pageSizeFieldId = htmlHelper.FieldIDFor(pageSizeExpression);
// var selectedValue = (int)ModelMetadata.FromLambdaExpression(pageSizeExpression, htmlHelper.ViewData).Model;
// var formSubmitScriptTemplate = "var value = $('#{1}').val();$('form#{0}').trigger('reset');$('#{1}').val(value);$('form#{0}').trigger('submit');";
// return htmlHelper.DropDownListFor(pageSizeExpression, new SelectList(pageSizes, "Key", "Value", selectedValue), new { @class = styleClass, onchange = String.Format(formSubmitScriptTemplate, formId, pageSizeFieldId) });
//}
public static MvcHtmlString SortColumnFor1 <TModel, TSortName, TSortOrder>(this AjaxHelper <TModel> htmlHelper,
BaseFilterViewModel model,
Expression <Func <TModel, TSortName> > sortNameExpression,//m => m.Filter.SortColumn
Expression <Func <TModel, TSortOrder> > sortOrderExpression,
Func <BaseFilterViewModel, string> sortingUrl,
AjaxOptions ajaxOptions,
string sortColumnTitle,
string ascendingStyleClass,
string descendingStyleClass)
{
var currentSortName = (string)ModelMetadata.FromLambdaExpression(sortNameExpression, htmlHelper.ViewData).Model;
var currentSortOrder = (bool)ModelMetadata.FromLambdaExpression(sortOrderExpression, htmlHelper.ViewData).Model;
var isCurrentSorted = currentSortName == sortColumnTitle;
var sortOrder = isCurrentSorted ? !currentSortOrder : true;
model.SetPropertyValue(m => m.SortColumn, sortColumnTitle);
model.SetPropertyValue(m => m.PageNumber, model.PageNumber);
model.SetPropertyValue(m => m.IsAscending, sortOrder);
model.SetPropertyValue(m => m.IsApply, model.IsApply);
var builder = new TagBuilder("a");
builder.SetInnerText(sortColumnTitle);
builder.Attributes.Add("href", sortingUrl(null));
model.SetPropertyValue(m => m.SortColumn, currentSortName);
model.SetPropertyValue(m => m.IsAscending, currentSortOrder);
if (ajaxOptions != null)
{
foreach (var ajaxOption in ajaxOptions.ToUnobtrusiveHtmlAttributes())
{
builder.Attributes.Add(ajaxOption.Key, ajaxOption.Value.ToString());
}
}
if (isCurrentSorted)
{
builder.AddCssClass(currentSortOrder ? ascendingStyleClass : descendingStyleClass);
}
return(MvcHtmlString.Create(builder.ToString(TagRenderMode.Normal)));
}