/// <summary>
/// Initializes a new instance of the <see cref="ScriptRegistrar"/> class.
/// </summary>
/// <param name="scripts">The scripts.</param>
/// <param name="scriptableComponents">The scriptable components.</param>
/// <param name="viewContext">The view context.</param>
/// <param name="assetItemMerger">The asset merger.</param>
/// <param name="scriptWrapper">The script wrapper.</param>
public ScriptRegistrar(WebAssetItemCollection scripts, IList <IScriptableComponent> scriptableComponents,
ViewContext viewContext, IWebAssetItemMerger assetItemMerger, ScriptWrapperBase scriptWrapper)
{
// If the instance object is null.
if (scripts == null)
{
throw new System.ArgumentNullException("scripts");
}
if (scriptableComponents == null)
{
throw new System.ArgumentNullException("scriptableComponents");
}
if (viewContext == null)
{
throw new System.ArgumentNullException("viewContext");
}
if (assetItemMerger == null)
{
throw new System.ArgumentNullException("assetItemMerger");
}
if (scriptWrapper == null)
{
throw new System.ArgumentNullException("scriptWrapper");
}
if (viewContext.HttpContext.Items[Key] != null)
{
throw new InvalidOperationException("Only one script registrar is allowed in a single request");
}
viewContext.HttpContext.Items[Key] = this;
DefaultGroup = new WebAssetItemGroup("default", false)
{
DefaultPath = WebAssetDefaultSettings.ScriptFilesPath
};
Scripts = scripts;
Scripts.Insert(0, DefaultGroup);
this.scriptableComponents = scriptableComponents;
ViewContext = viewContext;
AssetMerger = assetItemMerger;
ScriptWrapper = scriptWrapper;
AssetHandlerPath = WebAssetHttpHandler.DefaultPath;
OnDocumentReadyActions = new List <Action>();
OnDocumentReadyStatements = new List <string>();
OnWindowUnloadActions = new List <Action>();
OnWindowUnloadStatements = new List <string>();
}
/// <summary>
/// Gets the Component Factory for the extended UI.
/// </summary>
/// <param name="helper">The MVC html helper to extend.</param>
/// <returns>The compoent factory reference for each UI.</returns>
public static Extended.ComponentFactory NequeoUI(this HtmlHelper helper)
{
// If the instance object is null.
if (helper == null)
{
throw new System.ArgumentNullException("helper");
}
ViewContext viewContext = helper.ViewContext;
HttpContextBase httpContext = viewContext.HttpContext;
Extended.ComponentFactory factory = httpContext.Items[KeyExtended] as Extended.ComponentFactory;
if (factory == null)
{
// Get the current service locator singleton instance.
Nequeo.Runtime.IServiceLocator locator = Extended.Factory.Runtime.ServiceLocator.Current;
Extended.Factory.Runtime.ServiceLocator.Register(locator);
// Collect information on the current page
// including all style sheets and scripts
// that may already be added, do not add these
// style sheets or scripts if already present.
Extended.WebAsset.IWebAssetItemMerger assetItemMerger = locator.Resolve <Extended.WebAsset.IWebAssetItemMerger>();
Extended.UI.ScriptWrapperBase scriptWrapper = locator.Resolve <Extended.UI.ScriptWrapperBase>();
Extended.Factory.IClientSideObjectWriterFactory clientSideObjectWriterFactory =
locator.Resolve <Extended.Factory.IClientSideObjectWriterFactory>();
Extended.UI.StyleSheetRegistrar styleSheetRegistrar = new Extended.UI.StyleSheetRegistrar(
new Extended.WebAsset.WebAssetItemCollection(Extended.WebAsset.WebAssetDefaultSettings.StyleSheetFilesPath),
viewContext, assetItemMerger);
Extended.UI.ScriptRegistrar scriptRegistrar = new Extended.UI.ScriptRegistrar(
new Extended.WebAsset.WebAssetItemCollection(Extended.WebAsset.WebAssetDefaultSettings.ScriptFilesPath),
new List <Extended.Factory.IScriptableComponent>(), viewContext, assetItemMerger, scriptWrapper);
Extended.UI.StyleSheetRegistrarBuilder styleSheetRegistrarBuilder = new Extended.UI.StyleSheetRegistrarBuilder(styleSheetRegistrar);
Extended.UI.ScriptRegistrarBuilder scriptRegistrarBuilder = new Extended.UI.ScriptRegistrarBuilder(scriptRegistrar);
// Execute the component factory.
factory = new Extended.ComponentFactory(helper, clientSideObjectWriterFactory, styleSheetRegistrarBuilder, scriptRegistrarBuilder);
helper.ViewContext.HttpContext.Items[KeyExtended] = factory;
}
// Return the compoent factory instance.
return(factory);
}
