/// <summary>
/// 为 <see cref="HtmlHelper"/> 对象扩展 span 元素。
/// </summary>
/// <typeparam name="TModel">数据模型类型。</typeparam>
/// <typeparam name="TProperty">绑定的属性的类型。</typeparam>
/// <param name="htmlHelper"></param>
/// <param name="expression">指定绑定属性的表达式。</param>
/// <returns></returns>
public static HtmlHelper <TModel> Label <TModel, TProperty>(this HtmlHelper <TModel> htmlHelper, Expression <Func <TModel, TProperty> > expression)
{
var metadata = new ModelPropertyBinder(expression);
var propertyName = metadata.PropertyName;
htmlHelper.ResetBuilder("SPAN", "lbl" + propertyName, propertyName);
htmlHelper.Builder.TagClosed = true;
return(htmlHelper);
}
/// <summary>
/// 为 <see cref="HtmlHelper"/> 对象扩展 input 元素。
/// </summary>
/// <typeparam name="TModel">数据模型类型。</typeparam>
/// <typeparam name="TProperty">绑定的属性的类型。</typeparam>
/// <param name="htmlHelper"></param>
/// <param name="expression">指定绑定属性的表达式。</param>
/// <returns></returns>
public static HtmlHelper <TModel> Input <TModel, TProperty>(this HtmlHelper <TModel> htmlHelper, Expression <Func <TModel, TProperty> > expression)
{
var metadata = new ModelPropertyBinder(expression);
var propertyName = metadata.PropertyName;
htmlHelper.ResetBuilder("INPUT", "txt" + propertyName, propertyName);
htmlHelper.AddAttribute("type", "text");
return(htmlHelper);
}
public static HtmlHelper <TModel> RadioGroup <TModel, TProperty>(this HtmlHelper <TModel> htmlHelper, Expression <Func <TModel, TProperty> > expression, Type enumType, RadioGroupSettings settings = null)
{
var metadata = new ModelPropertyBinder(expression);
var propertyName = metadata.PropertyName;
htmlHelper.ResetBuilder("DIV", "rgp" + propertyName, propertyName);
htmlHelper.AddClass("radio-group");
htmlHelper.AddStyle("width", "160px");
htmlHelper.Builder.SetInnerHtml(BuildRadioOptions(propertyName, enumType, settings));
return(htmlHelper);
}
/// <summary>
/// 为 <see cref="HtmlHelper"/> 对象扩展 checkbox 元素。
/// </summary>
/// <typeparam name="TModel">数据模型类型。</typeparam>
/// <typeparam name="TProperty">绑定的属性的类型。</typeparam>
/// <param name="htmlHelper"></param>
/// <param name="expression">指定绑定属性的表达式。</param>
/// <param name="checked">默认是否选中。</param>
/// <returns></returns>
public static HtmlHelper <TModel> CheckBox <TModel, TProperty>(this HtmlHelper <TModel> htmlHelper, Expression <Func <TModel, TProperty> > expression, bool @checked = false)
{
var metadata = new ModelPropertyBinder(expression);
var propertyName = metadata.PropertyName;
htmlHelper.ResetBuilder("INPUT", "chk" + propertyName, propertyName);
htmlHelper.AddAttribute("type", "checkbox");
if (@checked)
{
htmlHelper.AddAttribute("checked", "checked");
}
return(htmlHelper);
}