private string GenerateSingleChoice <TModel>(ControlFormResult <TModel> controlForm, HtmlHelper htmlHelper) where TModel : class
{
var attributes = new RouteValueDictionary();
var valMsg = new MvcHtmlString(string.Format("<span data-valmsg-for=\"{0}\" data-valmsg-replace=\"true\"></span>", Name));
var selectedValue = Convert.ToString(Value);
IList <SelectListItem> selectItems;
if (PropertyType.IsEnum)
{
var values = Enum.GetValues(PropertyType);
selectItems = (from object value in values
select new SelectListItem
{
Text = GetEnumValueDescription(PropertyType, value),
Value = Convert.ToString(value),
}).ToList();
}
else
{
if (SelectListItems == null)
{
var tmpSelectItems = controlForm.GetExternalDataSource(Name);
if (tmpSelectItems == null && Name.Contains('['))
{
tmpSelectItems = controlForm.GetExternalDataSource(Name.RemoveBetween('[', ']'));
}
if (tmpSelectItems == null && Name.Contains('.'))
{
tmpSelectItems = controlForm.GetExternalDataSource((Name + ".").RemoveBetween('.', '.'));
}
if (tmpSelectItems == null)
{
throw new NotSupportedException("You need to register an external data source for " + Name);
}
selectItems = tmpSelectItems.ToList();
}
else
{
selectItems = SelectListItems.ToList();
}
}
var cssClass = (controlForm.FormProvider.ControlCssClass + " " + CssClass).Trim();
if (EnableChosen)
{
cssClass = CssClass;
}
if (!string.IsNullOrEmpty(cssClass))
{
attributes.Add("class", cssClass);
}
if (ReadOnly || controlForm.ReadOnly)
{
string selectedText = null;
var item = selectItems.FirstOrDefault(x => x.Value == selectedValue);
if (item != null)
{
selectedText = item.Text;
}
return(string.Format(
@"<input type=""hidden"" id=""{3}"" name=""{0}"" value=""{1}"" /><input type=""text"" class=""{4}"" readonly=""readonly"" value=""{2}"" />",
Name,
selectedValue,
selectedText,
htmlHelper.ViewData.TemplateInfo.GetFullHtmlFieldId(Name),
cssClass));
}
if (Required || !string.IsNullOrEmpty(RequiredIf))
{
attributes.Add("data-val", "true");
if (!string.IsNullOrEmpty(RequiredIf))
{
if (Name.Contains("."))
{
var dependency = RequiredIf.TrimStart('#').Split(':').First();
var requiredIf = RequiredIf.Replace(dependency, Name.Replace(Name.Split('.').Last(), dependency));
attributes.Add("data-val-requiredif", "#" + htmlHelper.ViewData.TemplateInfo.GetFullHtmlFieldId(requiredIf.TrimStart('#')));
}
else
{
attributes.Add("data-val-requiredif", "#" + RequiredIf.TrimStart('#'));
}
}
else
{
if (RequiredIfHaveItemsOnly == false || selectItems.Any())
{
attributes.Add("data-val-required", Constants.Messages.Validation.Required);
}
}
}
if (!string.IsNullOrEmpty(DataBind))
{
attributes["data-bind"] = DataBind;
}
if (type == ControlChoice.DropDownList)
{
var builder = new StringBuilder();
if (!string.IsNullOrEmpty(OnSelectedIndexChanged))
{
attributes["onchange"] = OnSelectedIndexChanged;
}
var selectedValues = new List <string>();
if (AllowMultiple)
{
attributes["multiple"] = "multiple";
var value = Value as IEnumerable;
if (value != null)
{
selectedValues.AddRange(from object item in value select Convert.ToString(item));
}
}
var selectTag = htmlHelper.DropDownList(Name, new SelectListItem[] { }, attributes);
if (!Required)
{
builder.AppendLine("<option>" + OptionLabel + "</option>");
}
if (GroupedByCategory && EnableChosen)
{
var items = selectItems.Cast <ExtendedSelectListItem>().ToList();
var groups = items.GroupBy(x => x.Category);
foreach (var @group in groups)
{
builder.AppendFormat("<optgroup label=\"{0}\">", group.Key);
foreach (var item in group)
{
var optionTag = new TagBuilder("option")
{
InnerHtml = HttpUtility.HtmlEncode(item.Text)
};
if (item.Value != null)
{
optionTag.Attributes["value"] = item.Value;
}
if (AllowMultiple)
{
if (selectedValues.Contains(item.Value))
{
optionTag.Attributes["selected"] = "selected";
}
}
else
{
if (item.Value == selectedValue)
{
optionTag.Attributes["selected"] = "selected";
}
}
if (item != null && item.HtmlAttributes != null)
{
var htmlAttributes = item.HtmlAttributes as IDictionary <string, object>;
optionTag.MergeAttributes(htmlAttributes ?? HtmlHelper.AnonymousObjectToHtmlAttributes(item.HtmlAttributes));
}
builder.AppendLine(optionTag.ToString(TagRenderMode.Normal));
}
builder.Append("</optgroup>");
}
}
else
{
foreach (var selectItem in selectItems)
{
var optionTag = new TagBuilder("option")
{
InnerHtml = HttpUtility.HtmlEncode(selectItem.Text)
};
if (selectItem.Value != null)
{
optionTag.Attributes["value"] = selectItem.Value;
}
if (AllowMultiple)
{
if (selectedValues.Contains(selectItem.Value))
{
optionTag.Attributes["selected"] = "selected";
}
}
else
{
if (selectItem.Value == selectedValue)
{
optionTag.Attributes["selected"] = "selected";
}
}
var extendedSelectListItem = selectItem as ExtendedSelectListItem;
if (extendedSelectListItem != null && extendedSelectListItem.HtmlAttributes != null)
{
var htmlAttributes = extendedSelectListItem.HtmlAttributes as IDictionary <string, object>;
optionTag.MergeAttributes(htmlAttributes ?? HtmlHelper.AnonymousObjectToHtmlAttributes(extendedSelectListItem.HtmlAttributes));
}
builder.AppendLine(optionTag.ToString(TagRenderMode.Normal));
}
}
var html = selectTag.ToHtmlString();
builder.Insert(0, html.Replace("</select>", ""));
builder.Append("</select>");
if (!string.IsNullOrEmpty(PrependText) && !string.IsNullOrEmpty(AppendText))
{
builder.Insert(0, string.Format("<div class=\"input-prepend input-append\"><span class=\"add-on\">{0}</span>", PrependText));
builder.AppendFormat("<span class=\"add-on\">{0}</span>", AppendText);
builder.Append("</div>");
}
else if (!string.IsNullOrEmpty(PrependText))
{
builder.Insert(0, string.Format("<div class=\"input-prepend\"><span class=\"add-on\">{0}</span>", PrependText));
builder.Append("</div>");
}
else if (!string.IsNullOrEmpty(AppendText))
{
builder.Insert(0, "<div class=\"input-append\">");
builder.AppendFormat("<span class=\"add-on\">{0}</span>", AppendText);
builder.Append("</div>");
}
builder.Append(valMsg);
if (!string.IsNullOrEmpty(HelpText))
{
builder.AppendFormat("<span class=\"help-block\">{0}</span>", HelpText);
}
#region Scripts
if (EnableChosen)
{
builder.Append("<script type=\"text/javascript\">");
builder.Append("$(document).ready(function(){");
builder.AppendFormat("$('#{0}').chosen({{ no_results_text: \"No results matched\", allow_single_deselect:true, inherit_select_classes: true, display_selected_options: true }});", htmlHelper.ViewData.TemplateInfo.GetFullHtmlFieldId(Name));
builder.Append("});");
builder.Append("</script>");
}
#endregion Scripts
return(builder.ToString());
}
#region Radio Buttons
cssClass = CssClass ?? "radio";
attributes.Remove("class");
var sb = new StringBuilder();
var index = 0;
foreach (var selectItem in selectItems)
{
string dataBind = null;
var extendedSelectListItem = selectItem as ExtendedSelectListItem;
if (extendedSelectListItem != null && extendedSelectListItem.HtmlAttributes != null)
{
attributes = attributes.Merge(extendedSelectListItem.HtmlAttributes);
if (attributes.ContainsKey("container-data-bind"))
{
dataBind = Convert.ToString(attributes["container-data-bind"]);
attributes.Remove("container-data-bind");
}
}
attributes["id"] = htmlHelper.ViewData.TemplateInfo.GetFullHtmlFieldId(Name + "_" + index);
var radioButton = htmlHelper.RadioButton(Name, selectItem.Value, selectItem.Value == selectedValue, attributes);
sb.AppendFormat("<div class=\"{2}\" data-bind=\"{3}\"><label>{1}{0}</label></div>", selectItem.Text, radioButton, cssClass, dataBind);
index++;
}
return(sb.ToString());
#endregion Radio Buttons
}
private string GenerateCheckBoxList <TModel>(ControlFormResult <TModel> controlForm, HtmlHelper htmlHelper) where TModel : class
{
if (!typeof(IEnumerable).IsAssignableFrom(PropertyType))
{
throw new NotSupportedException("Cannot apply control choice for non enumerable property as checkbox list.");
}
var value = Value as IEnumerable;
var values = new List <string>();
if (value != null)
{
values.AddRange(from object item in value select Convert.ToString(item));
}
IList <SelectListItem> selectItems;
if (SelectListItems == null)
{
selectItems = controlForm.GetExternalDataSource(Name.RemoveBetween('[', ']'));
if (selectItems == null)
{
throw new NotSupportedException("You need to register an external data source for " + Name);
}
}
else
{
selectItems = SelectListItems.ToList();
}
var cssClass = CssClass ?? "checkbox";
var index = 0;
var sb = new StringBuilder();
if (GroupedByCategory)
{
var items = selectItems.Cast <ExtendedSelectListItem>().ToList();
var groups = items.GroupBy(x => x.Category);
foreach (var @group in groups)
{
sb.AppendFormat("<strong>{0}</strong>", group.Key);
foreach (var item in group)
{
var isChecked = values.Contains(item.Value);
var checkbox = new TagBuilder("input");
string name = htmlHelper.ViewData.TemplateInfo.GetFullHtmlFieldName(Name);
checkbox.MergeAttribute("type", "checkbox");
checkbox.MergeAttribute("name", name);
checkbox.MergeAttribute("id", htmlHelper.ViewData.TemplateInfo.GetFullHtmlFieldId(Name) + "_" + index);
checkbox.MergeAttribute("value", item.Value);
if (isChecked)
{
checkbox.MergeAttribute("checked", "checked");
}
if (ReadOnly || controlForm.ReadOnly)
{
checkbox.MergeAttribute("disabled", "disabled");
}
sb.AppendFormat("<label for=\"{3}\" class=\"{2}\">{1}{0}</label>", item.Text, checkbox.ToString(TagRenderMode.SelfClosing), cssClass, name);
index++;
}
}
}
else
{
var columns = (Columns > 0) ? Columns : 1;
var rows = (int)Math.Ceiling((selectItems.Count() * 1d) / columns);
var columnWidth = (int)Math.Ceiling(12d / columns);
for (var i = 0; i < columns; i++)
{
var items = selectItems.Skip(i * rows).Take(rows);
sb.AppendFormat("<div class=\"span{0}\">", columnWidth);
foreach (var item in items)
{
var isChecked = values.Contains(item.Value);
var checkbox = new TagBuilder("input");
checkbox.MergeAttribute("type", "checkbox");
checkbox.MergeAttribute("name", htmlHelper.ViewData.TemplateInfo.GetFullHtmlFieldName(Name));
checkbox.MergeAttribute("id", htmlHelper.ViewData.TemplateInfo.GetFullHtmlFieldId(Name) + "_" + index);
checkbox.MergeAttribute("value", item.Value);
if (isChecked)
{
checkbox.MergeAttribute("checked", "checked");
}
if (ReadOnly || controlForm.ReadOnly)
{
checkbox.MergeAttribute("disabled", "disabled");
}
sb.AppendFormat("<label class=\"{2}\">{1}{0}</label>", item.Text, checkbox.ToString(TagRenderMode.SelfClosing), cssClass);
index++;
}
sb.Append("</div>");
}
}
return(sb.ToString());
}