public static string RenderFormGroupSelectElement(HtmlHelper html, SelectElementModel inputModel, LabelModel labelModel, InputType inputType)
{
HtmlString input = null;
if (inputType == InputType.DropDownList)
input = RenderControl.RenderSelectElement(html, inputModel, InputType.DropDownList);
if (inputType == InputType.ListBox)
input = RenderControl.RenderSelectElement(html, inputModel, InputType.ListBox);
var label = RenderControl.RenderLabel(html, labelModel ?? new LabelModel
{
htmlFieldName = inputModel.htmlFieldName,
metadata = inputModel.metadata,
htmlAttributes = new { @class = "control-label" }.ToDictionary()
});
bool fieldIsValid = true;
if (inputModel != null)
fieldIsValid = html.ViewData.ModelState.IsValidField(inputModel.htmlFieldName);
return new FormGroup(input, label, FormGroupType.TextBoxLike, fieldIsValid).ToHtmlString();
}
public static HtmlString RenderSelectElement(HtmlHelper html, SelectElementModel model, InputType inputType)
{
string combinedHtml = "{0}{1}{2}";
string input = string.Empty;
if (model.selectedValue != null)
{
foreach (var item in model.selectList)
{
if (item.Value == model.selectedValue.ToString())
item.Selected = true;
}
}
model.htmlAttributes.MergeHtmlAttributes(html.GetUnobtrusiveValidationAttributes(model.htmlFieldName, model.metadata));
if (!string.IsNullOrEmpty(model.id)) model.htmlAttributes.AddOrReplace("id", model.id);
if (model.size != Size._NotSet)
model.htmlAttributes.AddOrMergeCssClass("class", $"input-{model.size.ToName()}");
model.htmlAttributes.AddOrMergeCssClass("class", "form-control");
// build html for input
if (inputType == InputType.DropDownList)
input = html.DropDownList(model.htmlFieldName, model.selectList, model.optionLabel, model.htmlAttributes.FormatHtmlAttributes()).ToHtmlString();
if (inputType == InputType.ListBox)
input = html.ListBox(model.htmlFieldName, model.selectList, model.htmlAttributes.FormatHtmlAttributes()).ToHtmlString();
// account for appendString, prependString, and AppendButtons
if (!string.IsNullOrEmpty(model.prependString) || !string.IsNullOrEmpty(model.appendString))
{
var appendPrependContainer = new TagBuilder("div");
var addOn = new TagBuilder("span");
string addOnPrependString = "";
string addOnAppendString = "";
string addOnPrependButtons = "";
string addOnAppendButtons = "";
appendPrependContainer.AddOrMergeCssClass("input-group");
addOn.AddCssClass("input-group-addon");
if (!string.IsNullOrEmpty(model.prependString))
{
addOn.InnerHtml = model.prependString;
addOnPrependString = addOn.ToString();
}
if (!string.IsNullOrEmpty(model.appendString))
{
addOn.InnerHtml = model.appendString;
addOnAppendString = addOn.ToString();
}
appendPrependContainer.InnerHtml = addOnPrependButtons + addOnPrependString + "{0}" + addOnAppendString + addOnAppendButtons;
combinedHtml = appendPrependContainer.ToString(TagRenderMode.Normal) + "{1}{2}";
}
string helpText = model.helpText != null ? model.helpText.ToHtmlString() : string.Empty;
string validationMessage = "";
if (model.displayValidationMessage)
{
string validation = html.ValidationMessage((string)model.htmlFieldName).ToHtmlString();
validationMessage = new HelpText(validation, model.validationMessageStyle).ToHtmlString();
}
string inputElement = string.Format(combinedHtml, input, helpText, validationMessage);
TagBuilder inputWrapper = null;
if (!string.IsNullOrEmpty(model.inputElementWrapper))
{
inputWrapper = new TagBuilder(model.inputElementWrapper);
if (model.inputElementWrapperAttributes != null)
inputWrapper.MergeAttributes(HtmlHelper.AnonymousObjectToHtmlAttributes(model.inputElementWrapperAttributes));
inputWrapper.InnerHtml = inputElement;
}
string htmlString = inputWrapper != null
? inputWrapper.ToString(TagRenderMode.Normal)
: inputElement;
return new HtmlString(htmlString);
}