public static MvcHtmlString JavaScript(this HtmlHelper helper, JavaScriptReference javascript)
{
// Check it has not already been added.
return(ShouldOutput(helper, javascript)
? MvcHtmlString.Create(javascript.ToString())
: MvcHtmlString.Empty);
}
private static string JavaScript(JavaScriptReference reference)
{
var builder = new TagBuilder("script");
builder.MergeAttribute("type", "text/javascript");
builder.MergeAttribute("src", reference.Url.ToString());
return(builder.ToString());
}
public void InsertJavaScriptReferenceBeforeAll(JavaScriptReference reference)
{
var masterPage = Master;
if (masterPage != null)
{
masterPage.InsertJavaScriptReferenceBeforeAll(reference);
}
}
void IMasterPage.AddJavaScriptReference(JavaScriptReference reference)
{
var masterPage = Master;
if (masterPage != null)
{
masterPage.AddJavaScriptReference(reference);
}
}
private static bool ShouldOutput(HtmlHelper helper, JavaScriptReference javascript)
{
var paths = helper.ViewData[Key] as IDictionary <string, JavaScriptReference>;
if (paths == null)
{
paths = new Dictionary <string, JavaScriptReference>();
helper.ViewData[Key] = paths;
paths[javascript.Path] = javascript;
return(true);
}
var shouldOutput = !paths.ContainsKey(javascript.Path);
paths[javascript.Path] = javascript;
return(shouldOutput);
}
public void InsertBeforeAll(JavaScriptReference reference)
{
// If reference exists anywhere, remove it
//
if (IsReferenceIncluded(StandardJavaScriptReferences, reference))
{
StandardJavaScriptReferences.Remove(reference);
}
if (_javaScriptReferences != null)
{
if (IsReferenceIncluded(_javaScriptReferences, reference))
{
_javaScriptReferences.Remove(reference);
}
}
// (Re-)add reference before all standard javascript references
//
StandardJavaScriptReferences.Insert(reference);
}
public void Add(JavaScriptReference reference)
{
if (IsReferenceIncluded(StandardJavaScriptReferences, reference))
{
return;
}
if (_javaScriptReferences == null)
{
_javaScriptReferences = new JavaScriptReferences {
reference
};
}
else
{
if (!IsReferenceIncluded(_javaScriptReferences, reference))
{
_javaScriptReferences.Add(reference);
}
}
}
public void InsertJavaScriptReferenceBeforeAll(JavaScriptReference reference)
{
}
public void AddJavaScriptReference(JavaScriptReference reference)
{
}
public static void AddStandard(JavaScriptReference reference)
{
StandardJavaScriptReferences.Add(reference);
}
