public static void Render(WidgetDefinition widget, HttpContextBase context, TextWriter writer)
{
Require.NotNull(widget, "widget");
Require.NotNull(context, "context");
Require.NotNull(writer, "writer");
var page = new WidgetRenderingHostPage();
var control = WidgetControlLoader.Load(widget, page, true);
page.Controls.Add(control);
var widgetControl = control as WidgetControlBase;
if (widgetControl == null)
{
var cachingControl = control as PartialCachingControl;
if (cachingControl != null)
{
widgetControl = cachingControl.CachedControl as WidgetControlBase;
}
}
if (widgetControl != null)
{
widgetControl.Widget = widget;
widgetControl.IsInDesignMode = true;
// TODO: Need also the current page info
}
context.Server.Execute(page, writer, true);
}
public static Control Load(WidgetDefinition widget, Page hostingPage, bool loadInDesignMode)
{
Require.NotNull(widget, "widget");
Require.NotNull(hostingPage, "hostingPage");
Control control = null;
if (loadInDesignMode)
{
if (File.Exists(HostingEnvironment.MapPath(widget.DesignerVirtualPath)))
{
control = hostingPage.LoadControl(widget.DesignerVirtualPath);
}
else
{
control = new DefaultWidgetControl();
}
}
else
{
control = hostingPage.LoadControl(widget.WidgetControlVirtualPath);
}
return control;
}
private LocatedWidget ProcessStateItem(LocatedWidgetViewModel locatedWidgetModel, WidgetDefinition widget)
{
var zone = CurrentPage.Layout.FindZone(locatedWidgetModel.ZoneName);
if (zone == null)
throw new InvalidOperationException("Zone \"" + locatedWidgetModel.ZoneName + "\" was not found.");
LocatedWidget locatedWidget = null;
if (locatedWidgetModel.State == WidgetState.Added)
{
locatedWidget = CurrentPage.AddWidgetToZone(zone, widget, locatedWidgetModel.Order);
}
else if (locatedWidgetModel.State == WidgetState.Removed)
{
locatedWidget = CurrentPage.LocatedWidgets.FirstOrDefault(it => it.Id == locatedWidgetModel.Id);
if (locatedWidget == null)
throw new InvalidOperationException("Cannot find located widget with id: " + locatedWidgetModel.Id + ".");
CurrentPage.LocatedWidgets.Remove(locatedWidget);
}
else if (locatedWidgetModel.State == WidgetState.Changed)
{
locatedWidget = CurrentPage.LocatedWidgets.FirstOrDefault(it => it.Id == locatedWidgetModel.Id);
if (locatedWidget == null)
throw new InvalidOperationException("Cannot find located widget with id: " + locatedWidgetModel.Id + ".");
locatedWidget.ZoneName = zone.Name;
locatedWidget.Order = locatedWidgetModel.Order;
}
if (locatedWidgetModel.State != WidgetState.Removed)
{
foreach (var attr in locatedWidgetModel.Attributes)
{
locatedWidget.Attributes.AddOrSet(attr.Key, attr.Value);
}
}
return locatedWidget;
}
public WidgetViewDefinition(WidgetDefinition widget)
{
Widget = widget;
}
