private static MvcHtmlString LabelHelper(HtmlHelper html,
ModelMetadata metadata, string htmlFieldName, string labelText)
{
if (string.IsNullOrEmpty(labelText))
{
labelText = metadata.DisplayName ?? metadata.PropertyName ?? htmlFieldName.Split('.').Last();
}
if (string.IsNullOrEmpty(labelText))
{
return(MvcHtmlString.Empty);
}
bool isRequired = false;
if (metadata.ContainerType != null)
{
isRequired = metadata.ContainerType.GetProperty(metadata.PropertyName)
.GetCustomAttributes(typeof(RequiredAttribute), false)
.Length == 1;
}
var tag = new TagBuilder("label");
tag.Attributes.Add(
"for",
TagBuilder.CreateSanitizedId(
html.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(htmlFieldName)
)
);
if (isRequired)
{
tag.Attributes.Add("class", "label-required");
}
tag.SetInnerText(labelText);
var output = tag.ToString(TagRenderMode.Normal);
if (isRequired)
{
var asteriskTag = new TagBuilder("span");
asteriskTag.Attributes.Add("class", "required");
asteriskTag.SetInnerText("*");
output += asteriskTag.ToString(TagRenderMode.Normal);
}
return(MvcHtmlString.Create(output));
}
public DynamicComponentBase(HtmlHelper <TModel> helper, string fieldId, string name, string type, object viewData = null, bool nullable = false, bool readOnly = false, bool disabled = false, bool visible = true)
{
FieldName = name;
FieldFullName = helper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(FieldName);
SanitizedId = TagBuilder.CreateSanitizedId(FieldFullName);
RouteValueDictionary viewDataObj = HtmlHelper.AnonymousObjectToHtmlAttributes(viewData);
HtmlAttributes = HtmlHelper.AnonymousObjectToHtmlAttributes(viewDataObj["htmlAttributes"]);
HtmlAttributes = (RouteValueDictionary)helper.MergeHtmlAttributes(HtmlAttributes, viewDataObj);
FieldIsNullable = nullable;
FieldIsReadOnly = readOnly;
FieldIsDisabled = disabled;
FieldIsVisible = visible;
}
static MvcHtmlString FormItemLabel(HtmlHelper html, ModelMetadata metadata, string htmlFieldName, string labelText)
{
string str = labelText ?? (metadata.DisplayName ?? (metadata.PropertyName ?? htmlFieldName.Split(new char[] { '.' }).Last <string>()));
if (string.IsNullOrEmpty(str))
{
return(MvcHtmlString.Empty);
}
TagBuilder tagBuilder = new TagBuilder("label");
tagBuilder.Attributes.Add("for", TagBuilder.CreateSanitizedId(html.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(htmlFieldName)));
tagBuilder.Attributes.Add("class", "ui-form-item-label");
tagBuilder.SetInnerText(str);
return(new MvcHtmlString(tagBuilder.ToString(TagRenderMode.Normal)));
}
private static BootstrapLabel BeginLabelHelper(HtmlHelper html, ModelMetadata metadata, string htmlFieldName, string className, string labelText = null)
{
string resolvedLabelText = labelText ?? metadata.DisplayName ?? metadata.PropertyName ?? htmlFieldName.Split('.').Last();
TagBuilder tag = new TagBuilder("label");
tag.Attributes.Add("for", TagBuilder.CreateSanitizedId(html.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(htmlFieldName)));
tag.Attributes.Add("class", className);
tag.SetInnerText(resolvedLabelText);
html.ViewContext.Writer.Write(tag.ToString(TagRenderMode.StartTag));
BootstrapLabel theLabel = new BootstrapLabel(html.ViewContext, resolvedLabelText);
return(theLabel);
}
internal static MvcHtmlString LabelHelper(HtmlHelper html, ModelMetadata metadata, string htmlFieldName, string labelText = null)
{
string resolvedLabelText = labelText ?? metadata.DisplayName ?? metadata.PropertyName ?? htmlFieldName.Split('.').Last();
if (String.IsNullOrEmpty(resolvedLabelText))
{
return(MvcHtmlString.Empty);
}
TagBuilder tag = new TagBuilder("label");
tag.Attributes.Add("for", TagBuilder.CreateSanitizedId(html.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(htmlFieldName)));
tag.Attributes.Add("class", "control-label");
tag.SetInnerText(resolvedLabelText);
return(new MvcHtmlString(tag.ToString(TagRenderMode.Normal)));
}
public static string GenerateIdFromName(string name, string idAttributeDotReplacement)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (idAttributeDotReplacement == null)
{
throw new ArgumentNullException("idAttributeDotReplacement");
}
// TagBuilder.CreateSanitizedId returns null for empty strings, return String.Empty instead to avoid breaking change
if (name.Length == 0)
{
return(String.Empty);
}
return(TagBuilder.CreateSanitizedId(name, idAttributeDotReplacement));
}
/// <summary>Replaces each invalid character in the tag ID with a valid HTML character.</summary>
/// <returns>The sanitized tag ID, or null if <paramref name="originalId" /> is null or empty, or if <paramref name="originalId" /> does not begin with a letter.</returns>
/// <param name="originalId">The ID that might contain characters to replace.</param>
public static string CreateSanitizedId(string originalId)
{
return(TagBuilder.CreateSanitizedId(originalId, HtmlHelper.IdAttributeDotReplacement));
}
