/// <summary>
/// Returns a fully qualified script tag for loading ww.jquery.js
/// </summary>
/// <param name="jQueryLoadMode"></param>
/// <param name="url"></param>
/// <returns></returns>
public static string wwJqueryLink(jQueryLoadModes jQueryLoadMode = jQueryLoadModes.Default, string url = null)
{
if (jQueryLoadMode == jQueryLoadModes.Default)
{
jQueryLoadMode = ScriptLoader.jQueryLoadMode;
}
if (jQueryLoadMode == jQueryLoadModes.None)
{
return(url ?? string.Empty);
}
string wwJQueryUrl = string.Empty;
string fallbackScript = string.Empty;
var script = ClientScriptProxy.Current;
if (!string.IsNullOrEmpty(url))
{
wwJQueryUrl = WebUtils.ResolveUrl(url);
}
else if (jQueryLoadMode == jQueryLoadModes.WebResource ||
jQueryLoadMode == jQueryLoadModes.ContentDeliveryNetwork)
{
wwJQueryUrl = script.GetClientScriptResourceUrl(typeof(WebResources),
WebResources.WWJQUERY_SCRIPT_RESOURCE);
}
if (string.IsNullOrEmpty(wwJQueryUrl))
{
wwJQueryUrl = WebUtils.ResolveUrl("~/scripts/ww.jquery.min.js");
}
return("<script src=\"" + wwJQueryUrl + "\" type=\"text/javascript\"></script>");
}
/// <summary>
/// Inserts a script link to load jQuery into the page based on the jQueryLoadModes settings
/// of this class. Default load is by CDN plus WebResource fallback
/// </summary>
/// <param name="url">
/// An optional explicit URL to load jQuery from. Url is resolved.
/// When specified no fallback is applied
/// </param>
/// <returns>full script tag and fallback script for jQuery to load</returns>
public static string jQueryLink(jQueryLoadModes jQueryLoadMode = jQueryLoadModes.Default, string url = null)
{
if (jQueryLoadMode == jQueryLoadModes.Default)
{
jQueryLoadMode = ScriptLoader.jQueryLoadMode;
}
if (jQueryLoadMode == jQueryLoadModes.None)
{
return(string.Empty);
}
string jQueryUrl = string.Empty;
string fallbackScript = string.Empty;
var script = ClientScriptProxy.Current;
if (!string.IsNullOrEmpty(url))
{
jQueryUrl = WebUtils.ResolveUrl(url);
}
// not available anymore
if (jQueryLoadMode == jQueryLoadModes.WebResource)
{
jQueryLoadMode = jQueryLoadModes.ContentDeliveryNetwork;
}
else if (jQueryLoadMode == jQueryLoadModes.WebResource)
{
jQueryUrl = script.GetClientScriptResourceUrl(typeof(WebResources),
WebResources.JQUERY_SCRIPT_RESOURCE);
}
else if (jQueryLoadMode == jQueryLoadModes.ContentDeliveryNetwork)
{
jQueryUrl = ScriptLoader.jQueryCdnUrl;
if (!string.IsNullOrEmpty(jQueryCdnUrl))
{
// check if jquery loaded - if it didn't we're not online and use WebResource
fallbackScript =
@"<script type=""text/javascript"">if (typeof(jQuery) == 'undefined')
document.write(unescape(""%3Cscript src='{0}' type='text/javascript'%3E%3C/script%3E""));
</script>";
fallbackScript = string.Format(fallbackScript, WebUtils.ResolveUrl(jQueryCdnFallbackUrl));
}
}
string output = "<script src=\"" + jQueryUrl + "\" type=\"text/javascript\"></script>";
// add in the CDN fallback script code
if (!string.IsNullOrEmpty(fallbackScript))
{
output += "\r\n" + fallbackScript + "\r\n";
}
return(output);
}
/// <summary>
/// Loads jQuery depending on configuration settings (CDN, WebResource or site url)
/// and injects the full script link into the page.
/// </summary>
/// <param name="control"></param>
/// <param name="jQueryUrl">Optional url to jQuery as a virtual or absolute server path</param>
public static void LoadjQuery(Control control, string jQueryUrl)
{
ClientScriptProxy p = ClientScriptProxy.Current;
// we no longer deliver jQuery in package
if (jQueryLoadMode == jQueryLoadModes.WebResource)
{
jQueryLoadMode = jQueryLoadModes.ContentDeliveryNetwork;
}
if (!string.IsNullOrEmpty(jQueryUrl))
{
p.RegisterClientScriptInclude(control, typeof(WebResources), jQueryUrl, ScriptRenderModes.HeaderTop);
}
else if (jQueryLoadMode == jQueryLoadModes.WebResource)
{
p.RegisterClientScriptResource(control, typeof(WebResources), WebResources.JQUERY_SCRIPT_RESOURCE, ScriptRenderModes.HeaderTop);
}
else if (jQueryLoadMode == jQueryLoadModes.ContentDeliveryNetwork)
{
// Load from CDN Url specified
p.RegisterClientScriptInclude(control, typeof(WebResources), jQueryCdnUrl, ScriptRenderModes.HeaderTop);
// check if jquery loaded - if it didn't we're not online and use WebResource
string scriptCheck =
@"if (typeof(jQuery) == 'undefined')
document.write(unescape(""%3Cscript src='{0}' type='text/javascript'%3E%3C/script%3E""));";
jQueryUrl = p.GetClientScriptResourceUrl(control, typeof(WebResources),
WebResources.JQUERY_SCRIPT_RESOURCE);
p.RegisterClientScriptBlock(control, typeof(WebResources),
"jquery_register", string.Format(scriptCheck, jQueryUrl), true,
ScriptRenderModes.HeaderTop);
}
return;
}
/// <summary>
/// Injects a full jQuery script link and CDN fallback (if using CDN) into the page.
/// Version information and CDN Urls are based on the static settings in the <see cref="System.Web.ControlResources"/> class.
/// </summary>
/// <param name="mode">Optional: Determines where jQuery is loaded from (CDN, WebResources, Script)</param>
/// <param name="url">Optional url from where to load jQuery</param>
public static string jQueryLink( jQueryLoadModes jQueryLoadMode = jQueryLoadModes.Default, string url = null )
{
return ScriptLoader.jQueryLink(jQueryLoadMode,url);
}
/// <summary>
/// Returns a fully qualified script tag for loading ww.jquery.js
/// </summary>
/// <param name="jQueryLoadMode"></param>
/// <param name="url"></param>
/// <returns></returns>
public static string wwJqueryLink(jQueryLoadModes jQueryLoadMode = jQueryLoadModes.Default, string url = null)
{
if (jQueryLoadMode == jQueryLoadModes.Default)
jQueryLoadMode = ScriptLoader.jQueryLoadMode;
if (jQueryLoadMode == jQueryLoadModes.None)
return url ?? string.Empty;
string wwJQueryUrl = string.Empty;
string fallbackScript = string.Empty;
var script = ClientScriptProxy.Current;
if (!string.IsNullOrEmpty(url))
wwJQueryUrl = WebUtils.ResolveUrl(url);
else if (jQueryLoadMode == jQueryLoadModes.WebResource ||
jQueryLoadMode == jQueryLoadModes.ContentDeliveryNetwork)
wwJQueryUrl = script.GetClientScriptResourceUrl(typeof(WebResources),
WebResources.WWJQUERY_SCRIPT_RESOURCE);
if (string.IsNullOrEmpty(wwJQueryUrl))
wwJQueryUrl = WebUtils.ResolveUrl("~/scripts/ww.jquery.min.js");
return "<script src=\"" + wwJQueryUrl + "\" type=\"text/javascript\"></script>";
}
/// <summary>
/// Inserts a script link to load jQuery into the page based on the jQueryLoadModes settings
/// of this class. Default load is by CDN plus WebResource fallback
/// </summary>
/// <param name="url">
/// An optional explicit URL to load jQuery from. Url is resolved.
/// When specified no fallback is applied
/// </param>
/// <returns>full script tag and fallback script for jQuery to load</returns>
public static string jQueryUiLink(jQueryLoadModes jQueryLoadMode = jQueryLoadModes.Default, string url = null)
{
if (jQueryLoadMode == jQueryLoadModes.Default)
jQueryLoadMode = ScriptLoader.jQueryLoadMode;
if (jQueryLoadMode == jQueryLoadModes.None)
return url ?? string.Empty;
string jQueryUiUrl = string.Empty;
string fallbackScript = string.Empty;
var script = ClientScriptProxy.Current;
if (!string.IsNullOrEmpty(url))
jQueryUiUrl = WebUtils.ResolveUrl(url);
else if (jQueryLoadMode == jQueryLoadModes.WebResource)
jQueryUiUrl = WebUtils.ResolveUrl(jQueryUiLocalFallbackUrl);
else if (jQueryLoadMode == jQueryLoadModes.ContentDeliveryNetwork)
{
jQueryUiUrl = ScriptLoader.jQueryUiCdnUrl;
if (!string.IsNullOrEmpty(jQueryCdnUrl))
{
// check if jquery loaded - if it didn't we're not online and use WebResource
fallbackScript =
@"<script type=""text/javascript"">if (typeof(jQuery) == 'undefined')
document.write(unescape(""%3Cscript src='{0}' type='text/javascript'%3E%3C/script%3E""));
</script>";
fallbackScript = string.Format(fallbackScript, WebUtils.ResolveUrl(jQueryUiLocalFallbackUrl));
}
}
string output = "<script src=\"" + jQueryUiUrl + "\" type=\"text/javascript\"></script>";
// add in the CDN fallback script code
if (!string.IsNullOrEmpty(fallbackScript))
output += "\r\n" + fallbackScript + "\r\n";
return output;
}
