/// <summary>
/// Invokes a view component, and registeres section handlers
/// </summary>
/// <param name="componentName">The view component name</param>
/// <param name="bodyHandler">Delegate to render the component's body. null if the component does not have a body</param>
/// <param name="sectionHandlers">Delegates to render the component's sections, by the delegate names</param>
/// <param name="parameters">The parameters to be passed to the component</param>
protected void InvokeViewComponent(string componentName, ViewComponentSectionRendereDelegate bodyHandler,
IEnumerable <KeyValuePair <string, ViewComponentSectionRendereDelegate> >
sectionHandlers, params object[] parameters)
{
ViewComponentContext viewComponentContext = new ViewComponentContext(
this, bodyHandler,
componentName, parameters);
if (sectionHandlers != null)
{
foreach (KeyValuePair <string, ViewComponentSectionRendereDelegate> pair in sectionHandlers)
{
viewComponentContext.RegisterSection(pair.Key, pair.Value);
}
}
ViewComponent viewComponent =
((IViewComponentFactory)Context.GetService(typeof(IViewComponentFactory))).Create(componentName);
viewComponent.Init(Context, viewComponentContext);
viewComponent.Render();
if (viewComponentContext.ViewToRender != null)
{
OutputSubView("\\" + viewComponentContext.ViewToRender, viewComponentContext.ContextVars);
}
}
public override bool render(InternalContextAdapter context, TextWriter writer, INode node)
{
INode bodyNode = null;
IDictionary componentParams = CreateParametersAndFigureOutBlockNode(context, node);
if (bodyNodeIndex < node.jjtGetNumChildren())
{
bodyNode = node.jjtGetChild(bodyNodeIndex);
}
NVelocityViewContextAdapter contextAdapter =
new NVelocityViewContextAdapter(
componentName, context, writer, bodyNode, componentParams);
IRailsEngineContext railsContext = (IRailsEngineContext)context.Get("context");
component.Init(railsContext, contextAdapter);
component.Render();
if (contextAdapter.ViewToRender != null)
{
return(RenderComponentView(context, writer, contextAdapter));
}
return(true);
}
/// <summary>
/// Initialize the view component with mock services it needs to
/// be functional.
/// </summary>
/// <param name="component">The component instance.</param>
protected void PrepareViewComponent(ViewComponent component)
{
if (Context == null)
{
BuildEngineContext("", "Controller", "Action");
}
viewEngine = BuildViewEngine();
componentContext = BuildViewComponentContext(component.GetType().Name);
component.Init(Context, componentContext);
}
override public int Write(IStringTemplateWriter output)
{
SetPredefinedAttributes();
SetDefaultArgumentValues();
//IRailsEngineContext context = (IRailsEngineContext) GetAttribute(ConfigConstants.CONTEXT_ATTRIB_KEY);
IRailsEngineContext context = MonoRailHttpHandler.CurrentContext;
StringWriter writer = new StringWriter();
StringTemplateViewContextAdapter viewComponentContext = new StringTemplateViewContextAdapter(viewComponentName, this);
viewComponentContext.TextWriter = writer;
viewComponent.Init(context, viewComponentContext);
viewComponent.Render();
if (viewComponentContext.ViewToRender != null)
{
StringTemplate viewST = group.GetEmbeddedInstanceOf(this, viewComponentContext.ViewToRender);
writer.Write(viewST.ToString());
}
if (viewComponentName.Equals("CaptureFor"))
{
string keyToSet = (string)GetAttribute("id");
object valToSet = GetAttribute(keyToSet);
OutermostEnclosingInstance.RemoveAttribute(keyToSet);
OutermostEnclosingInstance.SetAttribute(keyToSet, valToSet);
}
output.Write(writer.ToString());
// if (LintMode)
// {
// CheckForTrouble();
// }
return(0);
}
