/// <summary>
/// A <select> tag with >option< elements with validation enabled.
/// </summary>
/// <param name="markupname">The name/id of the select tag.</param>
/// <param name="name">The name of the property from the model.</param>
/// <param name="model">The model itself.</param>
/// <param name="selectList">The items in the select tag.</param>
/// <param name="optionlabel">The text for the default empty item. This parameter can be null.</param>
/// <param name="htmlProperties">An anonymous object whose properties are applied to the element.<br/>
/// ie: new { Class = "cssClass", onchange = "jsFunction()" } </param>
/// <returns>Returns a select tag with option children.</returns>
public string DropDownListFor(string markupname, string name, object model, IEnumerable <SelectListItem> selectList, string optionlabel, object htmlProperties)
{
HtmlTag sel = new HtmlTag("select", new { id = markupname, name = markupname });
HtmlTag optx = new HtmlTag("option", new { value = "" })
{
InnerText = optionlabel ?? ""
};
sel.Children.Add(optx);
foreach (SelectListItem si in selectList)
{
HtmlTag opt = new HtmlTag("option", new { value = si.Value ?? "" })
{
InnerText = si.Text ?? ""
};
if (si.Selected)
{
opt.Attr("selected", "selected");
}
sel.Children.Add(opt);
}
if (htmlProperties != null)
{
sel.MergeObjectProperties(htmlProperties);
}
sel = PreProcess(sel, _MetaData, TagTypes.Select, markupname, name, model);
return(sel.Render());
}
/// <summary>
/// A <select> tag with >option< elements without validation enabled.
/// </summary>
/// <param name="name">The name/id of the select tag.</param>
/// <param name="selectList">The items in the select tag.</param>
/// <param name="optionlabel">The text for the default empty item. This parameter can be null.</param>
/// <returns>Returns a select tag with option children.</returns>
public string DropDownList(string name, IEnumerable <SelectListItem> selectList, string optionlabel)
{
HtmlTag sel = new HtmlTag("select", new { id = name, name = name });
HtmlTag optx = new HtmlTag("option", new { value = "" })
{
InnerText = optionlabel ?? ""
};
sel.Children.Add(optx);
foreach (SelectListItem si in selectList)
{
HtmlTag opt = new HtmlTag("option", new { value = si.Value ?? "" })
{
InnerText = si.Text ?? ""
};
if (si.Selected)
{
opt.Attr("selected", "selected");
}
sel.Children.Add(opt);
}
sel = PreProcess(sel, _MetaData, TagTypes.Select, name, "", null);
return(sel.Render());
}
/// <summary>
/// A textbox with validation enabled.
/// </summary>
/// <param name="markupname">The name/id of the textbox in markup.</param>
/// <param name="name">The name of the property from the model.</param>
/// <param name="model">The model itself.</param>
/// <param name="value">The initial value of the textbox, usually from the model.</param>
/// <param name="htmlAttributes">An anonymous object whose properties are applied to the element.<br/>
/// ie: new { Class = "cssClass", onchange = "jsFunction()" } </param>
/// <returns>Returns an input control.</returns>
public string TextBoxFor(string markupname, string name, object model, object value, object htmlAttributes)
{
HtmlTag tb = new HtmlTag("input", new { type = "text", name = markupname, value = (value ?? "").ToString(), id = markupname }, true);
tb.MergeObjectProperties(htmlAttributes);
tb = PreProcess(tb, _MetaData, TagTypes.InputBox, markupname, name, model);
return(tb.Render());
}
/// <summary>
/// Creates a <span> tag with appropriate validation information used by client side AND server side code.<br/>
/// WFUtilities.FieldValidationErrorClass is applied if validation fails on a postback. This is used with an Html.<control>For() element.<br/>
/// The property whose validation state is checked is derived from a strongly-typed lambda.
/// </summary>
/// <param name="ErrorMessage">(Optional) Override any ErrorMessage provided by resources/xml/validators with this property.</param>
/// <param name="expression">An expression that identifies the property whose value will be rendered.<br/>
/// ie: m => m.FirstName will render the 'FirstName' property.</param>
/// <param name="htmlProperties">An anonymous object whose properties are applied to the element.<br/>
/// ie: new { Class = "cssClass", onchange = "jsFunction()" } </param>
/// <returns></returns>
public string ValidationMessageFor <TProperty>(Expression <Func <TModel, TProperty> > expression, string ErrorMessage, object htmlProperties)
{
WFModelMetaProperty metaprop = null;
ModelMetaData mmd = ModelMetaData.FromLambdaExpression(expression, _Model);
HtmlTag span = new HtmlTag("span", new { id = mmd.PropertyName + "_validationMessage", name = mmd.PropertyName + "_validationMessage" });
string lcName = mmd.PropertyName.ToLower();
for (int i = 0; i < _MetaData.Properties.Count; i++)
{
if (_MetaData.Properties[i].MarkupName.ToLower() == lcName)
{
metaprop = _MetaData.Properties[i];
break;
}
}
if (metaprop != null)
{
if (metaprop.HasError)
{
span.MergeObjectProperties(htmlProperties);
span.AddClass(WFUtilities.FieldValidationErrorClass);
if (String.IsNullOrEmpty(ErrorMessage))
{
span.InnerText = metaprop.Errors.FirstOrDefault() ?? "";
}
else
{
span.InnerText = ErrorMessage;
}
return(span.Render());
}
}
span.MergeObjectProperties(htmlProperties);
span.AddClass(WFUtilities.FieldValidationValidClass);
span = PreProcess(span, _MetaData, TagTypes.ValidationMessage,
metaprop != null ? metaprop.MarkupName : mmd.PropertyName,
metaprop != null ? metaprop.PropertyName : mmd.PropertyName,
_Model);
return(span.Render());
}
/// <summary>
/// Creates a <span> tag with appropriate validation information used by client side AND server side code.
/// WFUtilities.FieldValidationErrorClass is applied if validation fails on a postback. This is used with an Html.<control>For() element.
/// </summary>
/// <param name="model">The model itself.</param>
/// <param name="markupName">The markup name of the Html.<control>For() element.</param>
/// <param name="propertyName">Must be the property name on the model object.</param>
/// <param name="ErrorMessage">Override the error message (use with care)</param>
/// <param name="htmlProperties">An anonymous object whose properties are applied to the element.<br/>
/// ie: new { Class = "cssClass", onchange = "jsFunction()" } </param>
/// <returns>Returns a span with WFUtilities.FieldValidationErrorClass or WFUtilities.FieldValidationValidClass as the class.</returns>
public string ValidationMessageFor(object model, string markupName, string propertyName, string ErrorMessage, object htmlProperties)
{
WFModelMetaProperty metaprop = null;
HtmlTag span = new HtmlTag("span", new { id = markupName + "_validationMessage", name = markupName + "_validationMessage" });
string lcName = propertyName.ToLower();
for (int i = 0; i < _MetaData.Properties.Count; i++)
{
//if (_MetaData.Properties[i].ModelObject == model && _MetaData.Properties[i].PropertyName.ToLower() == lcName)
if (_MetaData.Properties[i].MarkupName.ToLower() == lcName)
{
metaprop = _MetaData.Properties[i];
break;
}
}
if (metaprop != null)
{
if (metaprop.HasError)
{
span.MergeObjectProperties(htmlProperties);
span.AddClass(WFUtilities.FieldValidationErrorClass);
if (String.IsNullOrEmpty(ErrorMessage))
{
span.InnerText = metaprop.Errors.FirstOrDefault() ?? "";
}
else
{
span.InnerText = ErrorMessage;
}
return(span.Render());
}
}
span.MergeObjectProperties(htmlProperties);
span.AddClass(WFUtilities.FieldValidationValidClass);
span = PreProcess(span, _MetaData, TagTypes.ValidationMessage, markupName, propertyName, model);
return(span.Render());
}
/// <summary>
/// A <textarea> element without validation enabled.
/// </summary>
/// <param name="name">The name/id of the textarea element.</param>
/// <param name="value">The innertext of the textarea element.</param>
/// <param name="htmlProperties">An anonymous object whose properties are applied to the element.<br/>
/// ie: new { Class = "cssClass", onchange = "jsFunction()" } </param>
/// <returns>Returns a textarea element.</returns>
public string TextArea(string name, object value, object htmlProperties)
{
HtmlTag txa = new HtmlTag("textarea", new { cols = "20", rows = "2", name = name, id = name })
{
InnerText = (value ?? "").ToString()
};
txa.MergeObjectProperties(htmlProperties);
txa = PreProcess(txa, _MetaData, TagTypes.TextArea, name, "", null);
return(txa.Render());
}
/// <summary>
/// A radio button with validation enabled.
/// </summary>
/// <param name="markupname">The name of the radio button. ID is not set automatically.</param>
/// <param name="name">The name of the property from the model.</param>
/// <param name="model">The model itself.</param>
/// <param name="value">The value property of the radio button.</param>
/// <param name="isChecked">Whether checked="checked" should be used.</param>
/// <param name="htmlAttributes">An anonymous object whose properties are applied to the element.<br/>
/// ie: new { Class = "cssClass", onchange = "jsFunction()" } </param>
/// <returns>Returns an input control.</returns>
public string RadioButtonFor(string markupname, string name, object model, object value, bool isChecked, object htmlAttributes)
{
HtmlTag rb = new HtmlTag("input", new { type = "radio", name = markupname, value = (value ?? "").ToString() });
if (isChecked)
{
rb.Attr("checked", "checked");
}
rb.MergeObjectProperties(htmlAttributes);
PreProcess(rb, _MetaData, TagTypes.RadioButton, markupname, name, model);
return(rb.Render());
}
/// <summary>
/// A checkbox control with validation enabled.
/// </summary>
/// <param name="markupname">The name/id of the checkbox.</param>
/// <param name="name">The name of the property from the model.</param>
/// <param name="model">The model itself.</param>
/// <param name="isChecked">Whether checked="checked" should be used.</param>
/// <param name="htmlProperties">An anonymous object whose properties are applied to the element.<br/>
/// ie: new { Class = "cssClass", onchange = "jsFunction()" } </param>
/// <returns></returns>
public string CheckboxFor(string markupname, string name, object model, bool?isChecked, object htmlProperties)
{
HtmlTag cb = new HtmlTag("input", new { type = "checkbox", id = markupname, name = markupname });
if (isChecked.HasValue && isChecked.Value)
{
cb.Attr("checked", "checked");
}
if (htmlProperties != null)
{
cb.MergeObjectProperties(htmlProperties);
}
cb = PreProcess(cb, _MetaData, TagTypes.Checkbox, markupname, name, model);
return(cb.Render());
}
/// <summary>
/// Renders a div tag with id 'validationSummary'. The class is WFUtilities.ValidationSummaryValidClass or WFUtilities.ValidationSummaryErrorsClass depending on server validation.<br/>
/// Errors are rendered in a <ul> child element with >li< children.
/// </summary>
/// <param name="model">The model object being validated.</param>
/// <param name="htmlProperties">An anonymous object whose properties are applied to the element.<br/>
/// ie: new { Class = "cssClass", onchange = "jsFunction()" } </param>
/// <returns>Returns a div tag for validation summary.</returns>
public string ValidationSummary(object model, object htmlProperties)
{
List <string> errors = new List <string>();
foreach (WFModelMetaProperty prop in _MetaData.Properties)
{
if (prop.HasError)
{
foreach (string err in prop.Errors)
{
errors.Add(err);
}
}
}
HtmlTag div = new HtmlTag("div", new { id = "validationSummary" });
if (errors.Count > 0)
{
div.AddClass(WFUtilities.ValidationSummaryErrorsClass);
HtmlTag ul = new HtmlTag("ul");
foreach (string err in errors)
{
HtmlTag li = new HtmlTag("li");
li.InnerText = err;
ul.Children.Add(li);
}
div.Children.Add(ul);
}
else
{
div.AddClass(WFUtilities.ValidationSummaryValidClass);
HtmlTag ul = new HtmlTag("ul");
HtmlTag li = new HtmlTag("li", new { style = "display: none;" });
li = PreProcess(li, _MetaData, TagTypes.ValidationItem, "", "", model);
ul.Children.Add(li);
div.Children.Add(ul);
}
//<div class="validation-summary-valid" id="validationSummary"><ul><li style="display:none"></li></ul></div>
div.MergeObjectProperties(htmlProperties);
div = PreProcess(div, _MetaData, TagTypes.ValidationSummary, "", "", model);
return(div.Render());
}
/// <summary>
/// Create a <label> tag for a validation-enabled control created from Html.<control>For()<br/>
/// The inner text is determined by the [DisplayName] attribute on the model property or an overload.
/// </summary>
/// <param name="markupName">Set as the 'For' property on the label element.</param>
/// <param name="name">Must be the property name on the Model object</param>
/// <param name="model">The model itself.</param>
/// <param name="htmlProperties">An anonymous object whose properties are applied to the element.<br/>
/// ie: new { Class = "cssClass", onchange = "jsFunction()" } </param>
/// <param name="displayName">Override the display name (inner text) of the label.</param>
/// <returns>Returns a label control.</returns>
public string LabelFor(string markupName, string name, object model, object htmlProperties, string displayName)
{
string dispName = "";
PropertyInfo pi = model.GetType().GetProperties().FirstOrDefault(p => p.Name == name);
if (pi == null)
{
throw new Exception("[" + name + "] public property not found on object [" + model.GetType().Name + "]");
}
if (String.IsNullOrEmpty(displayName))
{
DisplayNameAttribute datt = pi.GetCustomAttributes(false).OfType <DisplayNameAttribute>().FirstOrDefault();
if (datt != null)
{
dispName = datt.DisplayName ?? pi.Name;
}
else
{
dispName = pi.Name;
}
}
else
{
dispName = displayName;
}
HtmlTag lbl = new HtmlTag("label", new { For = markupName })
{
InnerText = dispName
};
lbl.MergeObjectProperties(htmlProperties);
lbl = PreProcess(lbl, _MetaData, TagTypes.Label, markupName, name, model);
return(lbl.Render());
}