/// <summary>
/// Renders the ScriptManager to the page.
/// </summary>
public void Render()
{
TextWriter writer = _context.Context.Response.Output;
HtmlElementBuilder builder = new HtmlElementBuilder("script",
new { Type = "text/javascript" }, String.Empty);
foreach (string path in _includes.Values)
{
builder.Attributes.Merge("src", path, true);
writer.WriteLine(builder.ToString());
}
if (_blocks.Values.Any(b => !b.IsEmpty))
{
builder.Attributes.Remove("src");
writer.WriteLine(builder.ToString(HtmlElementRenderMode.StartTag));
writer.WriteLine("//<![CDATA[");
foreach (ScriptBlock script in _blocks.Values)
{
script.Render(writer);
}
writer.WriteLine("//]]>");
writer.WriteLine(builder.ToString(HtmlElementRenderMode.EndTag));
}
_blocks.Clear();
_includes.Clear();
}
private static string InputBuilder(HtmlControlHelper helper,
string type, string name, object value,
IDictionary <string, object> attributes)
{
if (attributes == null)
{
attributes = new ValueDictionary();
}
if (value == null)
{
attributes.Remove("value");
}
HtmlElementBuilder htb = new HtmlElementBuilder("input");
htb.Attributes.Merge(attributes, true);
htb.Attributes.Merge("name", name, true);
htb.Attributes.Merge("type", type, true);
if (value != null)
{
htb.Attributes.Merge("value", value, true);
}
return(htb.ToString());
}
public string Tag(string tagName, object attributes, params string[] content)
{
HtmlElementBuilder builder = new HtmlElementBuilder(tagName, attributes,
(content == null) ? null : String.Join("", content));
return(builder.ToString());
}
protected virtual void Dispose(bool disposing)
{
if (disposing && !_disposed)
{
_disposed = true;
HtmlElementBuilder builder = new HtmlElementBuilder("form");
_response.Write(builder.ToString(HtmlElementRenderMode.EndTag));
}
}
/// <summary>
/// Returns the string for a hidden input containing a
/// token used to prevent CSRF attacks.
/// </summary>
/// <param name="value">An extended value to store in the token.</param>
public string Token(string value)
{
RequestValidationToken token = RequestValidationToken.Create(Context.Context);
HtmlElementBuilder builder = new HtmlElementBuilder("input");
builder.Attributes.Add("type", "hidden");
builder.Attributes.Add("name", ValidateRequestTokenAttribute.ValidationFieldName);
builder.Attributes.Add("value", token.Serialize());
return(builder.ToString());
}
private static string LinkBuilder(HtmlControlHelper helper,
string url, string text, IDictionary <string, object> attributes)
{
HtmlElementBuilder builder = new HtmlElementBuilder("a");
if (attributes == null)
{
attributes = new ValueDictionary();
}
builder.Attributes.Merge(attributes);
builder.Attributes.Merge("href", url, true);
builder.InnerHtml = text;
return(builder.ToString());
}
public static string Serialize(this HtmlHelper helper,
string name, object data, SerializationMode mode)
{
Precondition.Require(helper, () => Error.ArgumentNull("helper"));
Precondition.Defined(name, () => Error.ArgumentNull("name"));
ModelStateSerializer serializer = new ModelStateSerializer();
string elementName = helper.Context.ViewData.Template.GetHtmlElementName(name);
string value = serializer.Serialize(data ?? helper.Context.ViewData.Model, mode);
HtmlElementBuilder builder = new HtmlElementBuilder("input");
builder.Attributes["type"] = "hidden";
builder.Attributes["name"] = elementName;
builder.Attributes["value"] = value;
return(builder.ToString());
}
private static MvcForm FormBuilder(HtmlControlHelper helper,
FormMethod method, string action, IDictionary <string, object> attributes)
{
HtmlElementBuilder builder = new HtmlElementBuilder("form");
HttpResponseBase response = helper.Context.Context.Response;
if (attributes == null)
{
attributes = new ValueDictionary();
}
builder.Attributes.Merge(attributes);
builder.Attributes.Merge("action", action, true);
builder.Attributes.Merge("method", GetFormMethod(method), true);
response.Write(builder.ToString(HtmlElementRenderMode.StartTag));
return(new MvcForm(response));
}
private static string TextAreaBuilder(HtmlControlHelper helper,
string name, string value, int rows, int columns,
IDictionary <string, object> attributes)
{
if (attributes == null)
{
attributes = new ValueDictionary();
}
HtmlElementBuilder htb = new HtmlElementBuilder("textarea");
htb.Attributes.Merge(attributes, true);
htb.Attributes.Merge("name", name, true);
htb.Attributes.Merge("rows", rows, false);
htb.Attributes.Merge("cols", columns, false);
htb.InnerText = value ?? String.Empty;
return(htb.ToString());
}
private static string SelectBuilder(HtmlControlHelper helper,
string name, MultiSelectList dataSource, bool isMultiple,
IDictionary <string, object> attributes)
{
Precondition.Defined(name, () => Error.ArgumentNull("name"));
if (attributes == null)
{
attributes = new ValueDictionary();
}
if (isMultiple)
{
attributes["multiple"] = "multiple";
}
else
{
attributes.Remove("multiple");
}
HtmlElementBuilder outer = new HtmlElementBuilder("select");
outer.Attributes.Merge(attributes, true);
outer.Attributes.Merge("name", name, true);
if (dataSource != null)
{
StringBuilder builder = new StringBuilder();
IEnumerable <ListItem> listItems = dataSource.GetListItems();
string[] selectedValues = null;
if (helper.DataSource.Keys.Any(k => k.Equals(name, StringComparison.OrdinalIgnoreCase)))
{
selectedValues = helper.DataSource.GetValue <string>(name, String.Empty)
.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
}
builder.AppendLine();
foreach (ListItem item in listItems)
{
if (selectedValues != null)
{
item.Selected = selectedValues.Any(s =>
String.Equals(item.Value, s, StringComparison.OrdinalIgnoreCase));
}
HtmlElementBuilder inner = new HtmlElementBuilder("option");
inner.InnerText = item.Text;
if (item.Value != null)
{
inner.Attributes.Merge("value", item.Value, true);
}
if (item.Selected)
{
inner.Attributes.Merge("selected", "selected");
}
builder.AppendLine(inner.ToString());
}
outer.InnerHtml = builder.ToString();
}
return(outer.ToString());
}
public string Tag(string tagName, object attributes)
{
HtmlElementBuilder builder = new HtmlElementBuilder(tagName, attributes, null);
return(builder.ToString());
}