//public static MvcHtmlString ThumbnailsFor<TModel, TItem>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, IEnumerable<TItem>>> expression)
//{
// return htmlHelper.ThumbnailsFor<TModel, TItem>(expression, null);
//}
//public static MvcHtmlString ThumbnailsFor<TModel, TItem>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, IEnumerable<TItem>>> expression, string templateName)
//{
// return htmlHelper.ThumbnailsFor<TModel, TItem>(expression, templateName, null);
//}
//public static MvcHtmlString ThumbnailsFor<TModel, TItem>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, IEnumerable<TItem>>> expression,
// string templateName, object listAttributes)
//{
// return htmlHelper.ThumbnailsFor<TModel, TItem>(expression, templateName, listAttributes, null);
//}
//public static MvcHtmlString ThumbnailsFor<TModel, TItem>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, IEnumerable<TItem>>> expression,
// string templateName, object listAttributes, object listItemAttributes)
//{
// return htmlHelper.ThumbnailsFor<TModel, TItem>(expression, templateName, listAttributes, listItemAttributes, -1, 0);
//}
//public static MvcHtmlString ThumbnailsFor<TModel, TItem>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, IEnumerable<TItem>>> expression,
// string templateName, object listItemAttributes)
//{
// var listHtmlAttributes = HtmlHelper.AnonymousObjectToHtmlAttributes(new { @class = "span" });
// var listItemHtmlAttibutes = HtmlHelper.AnonymousObjectToHtmlAttributes(listItemAttributes);
// return htmlHelper.ListForInternal_Normal(expression, templateName, listHtmlAttributes, listItemHtmlAttibutes, -1, 0);
//}
//public static MvcHtmlString ThumbnailsFor<TModel, TItem>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, IEnumerable<TItem>>> expression,
// string templateName, object listAttributes, object listItemAttributes, int page, int pageSize)
//{
// return htmlHelper.ThumbnailsFor(expression, templateName, null, listItemAttributes, page, pageSize);
//}
public static MvcHtmlString ThumbnailsFor <TModel, TItem>(this HtmlHelper <TModel> htmlHelper, Expression <Func <TModel, IEnumerable <TItem> > > expression,
string templateName = null, ItemDrawingMode drawingMode = ItemDrawingMode.List, object listAttributes = null, object listItemAttributes = null, int page = -1, int pageSize = 0)
{
//if (listAttributes == null) listAttributes = new { @class = "thumbnails" };
//if (listItemAttributes == null) listItemAttributes = new { @class = "thumbnail-item" };
var listHtmlAttributes = HtmlHelper.AnonymousObjectToHtmlAttributes(listAttributes);
var listItemHtmlAttibutes = HtmlHelper.AnonymousObjectToHtmlAttributes(listItemAttributes);
return(htmlHelper.ListForInternal(expression, templateName, listHtmlAttributes, listItemHtmlAttibutes, page, pageSize));
}
internal static MvcHtmlString ListForInternal <TModel, TItem>(this HtmlHelper <TModel> htmlHelper, Expression <Func <TModel, IEnumerable <TItem> > > expression,
string templateName, IDictionary <string, object> htmlAttributes, IDictionary <string, object> itemHtmlAttributes, int page, int pageSize, ItemDrawingMode drawingMode = ItemDrawingMode.List)
{
var metaData = ModelMetadata.FromLambdaExpression(expression, htmlHelper.ViewData);
var listItems = expression.Compile().Invoke(htmlHelper.ViewData.Model) as IEnumerable <TItem>;
// Paging items.
if (page > -1 && pageSize > 0)
{
listItems = listItems.Paginate(page, pageSize);
}
// Get view name of template.
templateName = templateName ?? metaData.TemplateHint;
var templatePath = "ListItemTemplates/" + templateName;
if (string.IsNullOrEmpty(templateName))
{
templatePath = string.Format("ListItemTemplates/{0}View", metaData.PropertyName);
}
var listItemBuilder = new StringBuilder();
TagBuilder ulBuilder, liBuilder;
if (drawingMode == ItemDrawingMode.List)
{
foreach (var item in listItems)
{
var innerHtml = htmlHelper.Partial(templatePath, item);
if (innerHtml.ToString().Length > 0)
{
liBuilder = new TagBuilder("li")
{
InnerHtml = innerHtml.ToHtmlString()
};
liBuilder.MergeAttributes(itemHtmlAttributes);
listItemBuilder.AppendLine(liBuilder.ToString(TagRenderMode.Normal));
}
}
ulBuilder = new TagBuilder("ul")
{
InnerHtml = listItemBuilder.ToString()
};
ulBuilder.MergeAttribute("name", metaData.PropertyName);
ulBuilder.MergeAttribute("id", metaData.PropertyName);
ulBuilder.MergeAttributes(htmlAttributes);
}
else
{
foreach (var item in listItems)
{
var innerHtml = htmlHelper.Partial(templatePath, item);
if (innerHtml.ToString().Length > 0)
{
liBuilder = new TagBuilder("div")
{
InnerHtml = innerHtml.ToHtmlString()
};
liBuilder.MergeAttributes(itemHtmlAttributes);
listItemBuilder.AppendLine(liBuilder.ToString(TagRenderMode.Normal));
}
}
ulBuilder = new TagBuilder("div")
{
InnerHtml = listItemBuilder.ToString()
};
ulBuilder.MergeAttribute("name", metaData.PropertyName);
ulBuilder.MergeAttribute("id", metaData.PropertyName);
ulBuilder.MergeAttributes(htmlAttributes);
}
return(MvcHtmlString.Create(ulBuilder.ToString(TagRenderMode.Normal)));
}
