/// <summary>
/// Includes the js.
/// </summary>
///
/// <param name="path">The path.</param>
/// <param name="type">(Optional) The type.</param>
/// <param name="head">(Optional) if place into page head.</param>
/// <param name="placeholder">(Optional) The placeholder.</param>
/// <param name="id">(Optional) The identifier.</param>
public void IncludeJs(string path, Type type = null, bool head = false, string placeholder = null, string id = null)
{
Page page = _httpContext.GetCurrentHandler();
if (page == null)
{
return;
}
//GENERATE CONTROL ID IF APPLICABLE
if (string.IsNullOrWhiteSpace(id))
{
id = GenerateSafeName(path);
}
//RESOLVE URL IF APPLICABLE
if (type != null)
{
//USE EMBEDDED RESOURCE
path = page.ClientScript.GetWebResourceUrl(type, path);
}
else
{
//HANDLE ANY STRANGE CHARACTERS AND RESOLVE
path = WebUtility.HtmlEncode(path.StartsWith("~/") ? page.ResolveUrl(path) : path);
}
//ADD SCRIPT IF APPLICABLE
if (!head && string.IsNullOrWhiteSpace(placeholder))
{
page.ClientScript.RegisterStartupScript(page.GetType(), id, ToJsLink(path), false);
return;
}
Control control;
if (head)
{
//HANDLE PLACEMENT OF STYLESHEETS IF AVAILABLE
control = !string.IsNullOrWhiteSpace(placeholder)
? (page.Header.FindControl(placeholder) ?? page.Header)
: page.Header;
}
else
{
//GET PLACEMENT OF SCRIPTS IF AVAILABLE
control = page.FindControl(placeholder);
}
//DETERMINE IF CONTROL AVAILABLE AND SCRIPT NOT ADDED BEFORE
if (control != null && control.FindControl(id) == null)
{
var jslink = new HtmlGenericControl("script");
jslink.ID = id;
jslink.Attributes.Add("src", path);
//ADD STYLESHEET TO PAGE HEAD
control.Controls.Add(jslink);
}
}
/// <summary>
/// Adds the script reference.
/// </summary>
///
/// <param name="html">The HTML.</param>
/// <param name="reference">The reference.</param>
public static void AddScriptReference(this HtmlHelper html, ScriptRef reference)
{
Page page = _httpContext.GetCurrentHandler();
if (page != null)
{
PageManager.ConfigureScriptManager(page, reference);
}
}
/// <summary>
/// Gets the web resource URL.
/// </summary>
/// <param name="resourceName">Name of the resource.</param>
/// <param name="type">(Optional) The type.</param>
/// <returns>
/// The web resource URL.
/// </returns>
public static string GetWebResourceUrl(string resourceName, Type type = null)
{
Page page = _httpContext.GetCurrentHandler() ?? CachedPage;
//DETERMINE ASSEMBLY IF APPLICABLE
if (type == null)
{
//HANDLE IF COMING FROM TELERIK RESOURCE ASSEMBLY
if (resourceName.StartsWith("Telerik.Sitefinity.Resources."))
{
type = typeof(Reference);
}
else
{
//USE LOCAL RESOURCE BY DEFAULT
type = typeof(PageHelper);
}
}
return(page != null?page.ClientScript.GetWebResourceUrl(type, resourceName) : string.Empty);
}
