public Displayable WrapIn(string tagName, object attributes)
{
Wrapper = new System.Web.Mvc.TagBuilder(tagName);
Wrapper.MergeAttributes(new RouteValueDictionary(attributes));
return(this);
}
public ZoneHelper WrapIn(string tagName, object attributes)
{
Wrapper = new System.Web.Mvc.TagBuilder(tagName);
Wrapper.MergeAttributes(new RouteValueDictionary(attributes));
return this;
}
public ZoneHelper WrapIn(string tagName, object attributes, string innerHtml = null)
{
Wrapper = (ci) =>
{
var w = new System.Web.Mvc.TagBuilder(tagName);
w.MergeAttributes(new RouteValueDictionary(attributes));
w.InnerHtml = innerHtml;
return(w);
};
return(this);
}
public ZoneHelper WrapIn(string tagName, object attributes, string innerHtml = null)
{
Wrapper = (ci) =>
{
var w = new System.Web.Mvc.TagBuilder(tagName);
w.MergeAttributes(new RouteValueDictionary(attributes));
w.InnerHtml = innerHtml;
return w;
};
return this;
}
/// <summary>
/// Returns the html for the date picker input, including validation attributes and message.
/// </summary>
/// <param name="helper">
/// The html helper.
/// </param>
/// <param name="metadata">
/// The meta data of the property to display the date for.
/// </param>
/// <param name="name">
/// The fully qualified name of the property.
/// </param>
/// <returns></returns>
private static string DatePickerInput(System.Web.Mvc.HtmlHelper helper, System.Web.Mvc.ModelMetadata metadata, string name)
{
// Construct the input
System.Web.Mvc.TagBuilder input = new System.Web.Mvc.TagBuilder("input");
input.AddCssClass("datepicker-input");
input.MergeAttribute("type", "text");
input.MergeAttribute("id", System.Web.Mvc.HtmlHelper.GenerateIdFromName(name));
input.MergeAttribute("autocomplete", "off");
input.MergeAttribute("name", name);
input.MergeAttributes(helper.GetUnobtrusiveValidationAttributes(name, metadata));
if (metadata.Model != null)
{
input.MergeAttribute("value", ((DateTime)metadata.Model).ToShortDateString());
}
// Return the html
return(input.ToString());
}
/// <summary>
/// 一个控件
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <typeparam name="TResult"></typeparam>
/// <param name="htmlHelper"></param>
/// <param name="expression"></param>
/// <param name="attrs"></param>
/// <returns></returns>
public static MvcHtmlString LayInputFor <TModel, TResult>(this HtmlHelper <TModel> htmlHelper, Expression <Func <TModel, TResult> > expression, object attrs = null) where TModel : new()
{
var model = htmlHelper.ViewData.Model == null ? new TModel() : htmlHelper.ViewData.Model;
var value = model == null ? default(TResult) : expression.Compile()(model);
var member = expression.Body as MemberExpression;
var proname = "";
if (member != null)
{
proname = member.Member.Name;
}
else
{
throw new ArgumentException(
"'" + expression + "': is not a valid expression for this method");
}
//字段类型
var propInfo = model.GetType().GetProperty(proname);
var inputModel = LayHtmlHelper.GetPropertyAttributte <InputAttribute>(propInfo) ?? new InputAttribute();
var des = LayHtmlHelper.GetPropertyAttributte <DescriptionAttribute>(propInfo);
var attrDic = LayHtmlHelper.GetAttributtes(inputModel);
if (attrs != null)
{
attrDic.Merge(attrs.ToDictionary(), true);
}
//判断是否有name属性
if (!attrDic.ContainsKey("name"))
{
attrDic.Add("name", proname);
}
//id 属性
if (!attrDic.ContainsKey("id"))
{
attrDic.Add("id", proname);
}
//LayFilter
if (!attrDic.ContainsKey("LayFilter"))
{
attrDic.Add("LayFilter", proname);
}
TagBuilder tagBuilder = new TagBuilder("input");
tagBuilder.MergeAttributes(attrDic);
var mainHtml = new TagBuilder("div");
mainHtml.AddCssClass("layui-form-item");
var lab = new TagBuilder("label");
lab.AddCssClass("layui-form-label");
lab.InnerHtml = des == null ? "" : des.Description;
var div2 = new TagBuilder("div");
if (inputModel.DisplayType == DisplayType.block)
{
div2.AddCssClass("layui-input-block");
}
if (inputModel.DisplayType == DisplayType.inline)
{
div2.AddCssClass("layui-input-inline");
}
div2.InnerHtml = tagBuilder.ToString();
mainHtml.InnerHtml = lab.ToString() + div2.ToString();
return(new MvcHtmlString(mainHtml.ToString()));
/*
* < div class="layui-form-item">
* <label class="layui-form-label">输入框</label>
* <div class="layui-input-block">
* <input type = "text" name="" placeholder="请输入" autocomplete="off" class="layui-input">
* </div>
* </div>
*/
}
private static MvcHtmlString CKEditorHelper(HtmlHelper htmlHelper, ModelMetadata modelMetadata, string name, IDictionary <string, object> rowsAndColumns, IDictionary <string, object> htmlAttributes, string ckEditorConfigOptions)
{
string fullName = htmlHelper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(name);
if (String.IsNullOrEmpty(fullName))
{
throw new ArgumentException("string parameter is null or empty", "name");
}
TagBuilder textAreaBuilder = new TagBuilder("textarea");
textAreaBuilder.GenerateId(fullName);
textAreaBuilder.MergeAttributes(htmlAttributes, true);
textAreaBuilder.MergeAttribute("name", fullName, true);
string style = "";
if (textAreaBuilder.Attributes.ContainsKey("style"))
{
style = textAreaBuilder.Attributes["style"];
}
if (string.IsNullOrWhiteSpace(style))
{
style = "";
}
style += string.Format("height:{0}em; width:{1}em;", rowsAndColumns["rows"], rowsAndColumns["cols"]);
textAreaBuilder.MergeAttribute("style", style, true);
// If there are any errors for a named field, we add the CSS attribute.
ModelState modelState;
if (htmlHelper.ViewData.ModelState.TryGetValue(fullName, out modelState) && modelState.Errors.Count > 0)
{
textAreaBuilder.AddCssClass(HtmlHelper.ValidationInputCssClassName);
}
textAreaBuilder.MergeAttributes(htmlHelper.GetUnobtrusiveValidationAttributes(name));
string value;
if (modelState != null && modelState.Value != null)
{
value = modelState.Value.AttemptedValue;
}
else if (modelMetadata.Model != null)
{
value = modelMetadata.Model.ToString();
}
else
{
value = String.Empty;
}
// The first newline is always trimmed when a TextArea is rendered, so we add an extra one
// in case the value being rendered is something like "\r\nHello".
textAreaBuilder.SetInnerText(Environment.NewLine + value);
TagBuilder scriptBuilder = new TagBuilder("script");
scriptBuilder.MergeAttribute("type", "text/javascript");
if (string.IsNullOrEmpty(ckEditorConfigOptions))
{
ckEditorConfigOptions = string.Format("{{ width:'{0}em', height:'{1}em', CKEDITOR.config.allowedContent : true }}", rowsAndColumns["cols"], rowsAndColumns["rows"]);
}
if (!ckEditorConfigOptions.Trim().StartsWith("{"))
{
ckEditorConfigOptions = "{" + ckEditorConfigOptions;
}
if (!ckEditorConfigOptions.Trim().EndsWith("}"))
{
ckEditorConfigOptions += "}";
}
scriptBuilder.InnerHtml = string.Format(" $('#{0}').ckeditor({1}).addClass('{2}'); ",
fullName,
ckEditorConfigOptions,
CK_Ed_Class
);
return(MvcHtmlString.Create(textAreaBuilder.ToString() + "\n" + scriptBuilder.ToString()));
}