public static MvcHtmlString BsUploadFor <TModel, TValue>(this HtmlHelper <TModel> html, Expression <Func <TModel, TValue> > expression, BsUploadSetting setting, string action = null, string controller = null, object routeValues = null, string urlImages = null)
{
var metadata = ModelMetadata.FromLambdaExpression(expression, html.ViewData);
var property = ExpressionHelper.GetExpressionText(expression);
var displayName = metadata.DisplayName ?? metadata.PropertyName ?? property.Split('.').Last();
var value = metadata.Model;
var id = html.ViewData.TemplateInfo.GetFullHtmlFieldId(property);
var name = html.ViewData.TemplateInfo.GetFullHtmlFieldName(property);
var label = html.LabelFor(expression, new { @class = "control-label" });
var input = new TagBuilder("input");
input.Attributes.Add("type", "file");
input.Attributes.Add("id", id);
input.Attributes.Add("name", "file");
input.Attributes.Add("multiple", "");
input.Attributes.Add("class", "file-loading");
var file = MvcHtmlString.Create(input.ToString());
var urlHelper = new UrlHelper(HttpContext.Current.Request.RequestContext);
if (action != null && controller != null)
{
var url = urlHelper.Action(action, controller, routeValues);
setting.UploadUrl(url);
if (urlImages.HasValue())
{
//compatible url: "/home/images" or queryString: "/home/images/?image_id="
if (!urlImages.Contains("{0}"))
{
urlImages = urlImages.Contains("?") ? urlImages : urlImages.TrimEnd('/') + '/';
}
var initialPreview = new BsUploadInitialPreview();
var initialPreviewConfig = new BsUploadInitialPreviewConfig();
foreach (var item in (value as IEnumerable <int>))
{
var imgSrc = urlImages.Contains("{0}") ? string.Format(urlImages, item) : (urlImages + item);
initialPreview.Add(imgSrc, new { key = item });
initialPreviewConfig.Add("", url, item);
}
setting.InitialPreview(initialPreview);
setting.InitialPreviewConfig(initialPreviewConfig);
}
}
var result = @"
<div id=""" + id + @"_fileuploader_container"">
" + label + @"
" + file + @"
<div id=""" + id + @"_hidden""></div>
</div>
" + html.StyleFileSingle(@"<link href=""" + ComponentUtility.GetWebResourceUrl(fileinput_css) + @""" rel=""stylesheet"" />") + @"
" + html.StyleFileSingle(@"<link href=""" + ComponentUtility.GetWebResourceUrl(custom_fileinput_css) + @""" rel=""stylesheet"" />") + @"
" + html.ScriptFileSingle(@"<script src=""" + ComponentUtility.GetWebResourceUrl(fileinput_js) + @"""></script>") + @"
" + html.ScriptFileSingle(@"<script src=""" + ComponentUtility.GetWebResourceUrl(fileinput_locale_fa_js) + @"""></script>") + @"
" + html.Script(@"
<script>
$(function () {
$(""#" + id + @""").fileinput(" + setting.RenderOptions() + ")"
+
(Convert.ToBoolean(setting.Attributes["uploadAsync"]) ?
@".on('filebatchselected', function (event, files) {
$(this).fileinput('upload');
}).on('filedeleted', function (event, key) {
$('#" + id + @"_fileuploader_hidden_' + key).remove();
}).on('fileuploaded', function (event, data, previewId, index) {
var key = data.response
$(""#" + id + @"_hidden"").append($('<input/>', { type: 'hidden', id: '" + id + "_fileuploader_hidden_' + key, value: key, name: '" + name + @"' }));
$(""#" + id + @"_fileuploader_container div.file-preview-thumbnails #"" + previewId + "" button.kv-file-remove"").attr(""data-key"", key);
}).on('filesuccessremove', function (event, id) {
var key = $('#' + id + ' button.kv-file-remove').attr(""data-key"")
$('#" + id + @"_fileuploader_hidden_' + key).remove();
});
$(""#" + id + @"_fileuploader_container .file-preview-frame.file-preview-initial img"").each(function () {
var previewkey = $(this).attr(""key"");
$(""#" + id + @"_hidden"").append($('<input/>', { type: 'hidden', id: '" + id + "_fileuploader_hidden_' + previewkey, value: previewkey, name: '" + name + @"' }))
});" : "")
+
@"})
</script>
");
return(MvcHtmlString.Create(result));
}
public BsUploadSetting InitialPreview(BsUploadInitialPreview initialPreview)
{
Attributes["initialPreview"] = "[" + string.Join(", ", initialPreview.Attributes.Values) + "]";
return(this);
}