private static bool TryCreateExactNamespaceTexture(UpperString name, ResourceNamespace resourceNamespace,
out Texture texture)
{
if (loadedImages.TryGetValue(name, resourceNamespace, out RgbaImage loadedImage))
{
texture = CreateAndTrackTexture(name, resourceNamespace, loadedImage);
return(true);
}
if (TextureDefinitionManager.TryGetExact(name, resourceNamespace, out TextureDefinition definition))
{
RgbaImage compiledImage = TextureDefinitionToImage(definition);
loadedImages.Add(name, resourceNamespace, compiledImage);
texture = CreateAndTrackTexture(name, resourceNamespace, compiledImage);
return(true);
}
if (Data.TryFindExact(name, resourceNamespace, out IEntry entry))
{
if (TryReadImageEntry(entry, resourceNamespace, out RgbaImage newImage))
{
loadedImages.Add(name, resourceNamespace, newImage);
texture = CreateAndTrackTexture(name, resourceNamespace, newImage);
return(true);
}
}
texture = null;
return(false);
}
internal static void CompileAnyNewVanillaDefinitions()
{
foreach (TextureDefinition definition in vanillaTextureTracker.CompileDefinitions())
{
textureDefinitions.Add(definition.Name, definition.Namespace, definition);
}
}
public static bool TryGetTexture(UpperString name, ResourceNamespace priorityNamespace,
out Texture texture)
{
if (textures.TryGetValue(name, priorityNamespace, out texture))
{
return(true);
}
// This is a heuristic to make failed lookups less expensive, as
// there is a lot of work done to create the texture if it does
// not exist after this.
if (missingTextureNames.Contains(name))
{
texture = NullTexture;
return(false);
}
if (TryCreateExactNamespaceTexture(name, priorityNamespace, out texture))
{
textures.Add(name, priorityNamespace, texture);
return(true);
}
if (textures.TryGetAnyValue(name, out texture, out _))
{
return(true);
}
if (TryCreateAnyNamespaceTexture(name, out texture, out ResourceNamespace newNamespace))
{
textures.Add(name, newNamespace, texture);
return(true);
}
missingTextureNames.Add(name);
texture = NullTexture;
return(false);
}
public static string ScriptInclude(this AjaxHelper helper, params string[] url)
{
var tracker = new ResourceTracker(helper.ViewContext.HttpContext);
var sb = new StringBuilder();
foreach (var item in url)
{
if (!tracker.Contains(item))
{
tracker.Add(item);
sb.AppendFormat("<script type='text/javascript' src='{0}'></script>", item);
sb.AppendLine();
}
}
return sb.ToString();
}
