internal static MvcHtmlString MinMaxBase <VM>(
this HtmlHelper <VM> htmlHelper,
string type,
string name,
object value,
ModelMetadata metaData = null,
IDictionary <string, object> htmlAttributes = null)
{
string partialName = name;
if (name == null)
{
throw new ArgumentNullException("name");
}
name = htmlHelper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(name);
TagBuilder tagBuilder = new TagBuilder("input");
tagBuilder.MergeAttributes(htmlAttributes);
tagBuilder.MergeAttribute("name", name, true /* replaceExisting */);
tagBuilder.MergeAttribute("type", type, true /* replaceExisting */);
tagBuilder.MergeAttribute("value", Convert.ToString(value), true /* replaceExisting */);
tagBuilder.GenerateId(name);
ModelState modelState;
if (htmlHelper.ViewData.ModelState.TryGetValue(name, out modelState))
{
if (modelState.Errors.Count > 0)
{
tagBuilder.AddCssClass(HtmlHelper.ValidationInputCssClassName);
}
}
IDictionary <String, object> validation = MvcEnvironment.GetUnobtrusiveValidation(htmlHelper, name, metaData);
if (validation != null)
{
if (validation.ContainsKey("data-val-dynamicrange-min"))
{
tagBuilder.MergeAttribute("min", Convert.ToString(validation["data-val-dynamicrange-min"]), false);
}
if (validation.ContainsKey("data-val-dynamicrange-max"))
{
tagBuilder.MergeAttribute("max", Convert.ToString(validation["data-val-dynamicrange-max"]), false);
}
}
return(MvcHtmlString.Create(tagBuilder.ToString()));
}
internal static MvcHtmlString DropDownbase <VM, TItem, TDisplay, TValue>(
this HtmlHelper <VM> htmlHelper, string name, object value, List <ExtendedSelectListItem> items, IDictionary <string, object> htmlAttributes, bool allowsMultipleValues, bool useGroups, ModelMetadata metaData = null)
{
string partialName = name;
if (name == null)
{
throw new ArgumentNullException("name");
}
name = htmlHelper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(name);
if (items == null)
{
throw new ArgumentNullException("items");
}
object defaultValue = (allowsMultipleValues) ? htmlHelper.GetModelStateValue(name, typeof(string[])) : htmlHelper.GetModelStateValue(name, typeof(string));
if (defaultValue == null)
{
defaultValue = value;
}
if (defaultValue != null)
{
IEnumerable defaultValues = (allowsMultipleValues) ? defaultValue as IEnumerable : new[] { defaultValue };
IEnumerable <string> values = (from object currValue in defaultValues select Convert.ToString(currValue, CultureInfo.CurrentCulture)).ToList();
HashSet <string> selectedValues = new HashSet <string>(values, StringComparer.OrdinalIgnoreCase);
foreach (ExtendedSelectListItem item in items)
{
item.Selected = (item.Value != null) ? selectedValues.Contains(item.Value) : selectedValues.Contains(item.Text);
}
}
StringBuilder listItemBuilder = new StringBuilder();
if (useGroups)
{
foreach (var group in items.GroupBy(i => i.GroupKey))
{
var groupProps = group.Select(it => new { Name = it.GroupName, Attrs = it.GroupAttributes }).FirstOrDefault();
IDictionary <string, object> dictionary = groupProps.Attrs as IDictionary <string, object>;
if (group.Key != null && groupProps.Name != null)
{
if (dictionary != null)
{
listItemBuilder.AppendLine(string.Format("<optgroup label=\"{0}\" value=\"{1}\" {2}>",
htmlHelper.Encode(groupProps.Name),
htmlHelper.Encode(group.Key),
BasicHtmlHelper.GetAttributesString(dictionary)));
}
else
{
listItemBuilder.AppendLine(string.Format("<optgroup label=\"{0}\" value=\"{1}\" {2}>",
htmlHelper.Encode(groupProps.Name),
htmlHelper.Encode(group.Key),
BasicHtmlHelper.GetAttributesString(groupProps.Attrs)));
}
}
foreach (ExtendedSelectListItem item in group)
{
listItemBuilder.AppendLine(ListItemToOption(item));
}
if (group.Key != null && groupProps.Name != null)
{
listItemBuilder.AppendLine("</optgroup>");
}
}
}
else
{
foreach (ExtendedSelectListItem item in items)
{
listItemBuilder.AppendLine(ListItemToOption(item));
}
}
TagBuilder tagBuilder = new TagBuilder("select")
{
InnerHtml = listItemBuilder.ToString()
};
tagBuilder.MergeAttributes(htmlAttributes);
tagBuilder.MergeAttribute("name", name, true /* replaceExisting */);
tagBuilder.GenerateId(name);
if (allowsMultipleValues)
{
tagBuilder.MergeAttribute("multiple", "multiple");
}
ModelState modelState;
if (htmlHelper.ViewData.ModelState.TryGetValue(name, out modelState))
{
if (modelState.Errors.Count > 0)
{
tagBuilder.AddCssClass(HtmlHelper.ValidationInputCssClassName);
}
}
tagBuilder.MergeAttributes(MvcEnvironment.GetUnobtrusiveValidation(htmlHelper, partialName, metaData));
return(MvcHtmlString.Create(tagBuilder.ToString()));
}
