127 lines
4.3 KiB
C#
127 lines
4.3 KiB
C#
using System;
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using System.Collections.Concurrent;
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using System.Web.Mvc;
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using System.Web.Routing;
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using Umbraco.Core.Models;
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using Umbraco.Core;
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namespace Umbraco.Web.Mvc
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{
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/// <summary>
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/// The base controller that all Presentation Add-in controllers should inherit from
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/// </summary>
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[MergeModelStateToChildAction]
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[MergeParentContextViewData]
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public abstract class SurfaceController : PluginController
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{
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/// <summary>
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/// Default constructor
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/// </summary>
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/// <param name="umbracoContext"></param>
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protected SurfaceController(UmbracoContext umbracoContext)
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: base(umbracoContext)
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{
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}
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/// <summary>
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/// Empty constructor, uses Singleton to resolve the UmbracoContext
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/// </summary>
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protected SurfaceController()
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: base(UmbracoContext.Current)
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{
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}
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/// <summary>
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/// Redirects to the Umbraco page with the given id
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/// </summary>
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/// <param name="pageId"></param>
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/// <returns></returns>
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protected RedirectToUmbracoPageResult RedirectToUmbracoPage(int pageId)
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{
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return new RedirectToUmbracoPageResult(pageId, UmbracoContext);
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}
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/// <summary>
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/// Redirects to the Umbraco page with the given id
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/// </summary>
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/// <param name="publishedContent"></param>
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/// <returns></returns>
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protected RedirectToUmbracoPageResult RedirectToUmbracoPage(IPublishedContent publishedContent)
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{
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return new RedirectToUmbracoPageResult(publishedContent, UmbracoContext);
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}
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/// <summary>
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/// Redirects to the currently rendered Umbraco page
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/// </summary>
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/// <returns></returns>
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protected RedirectToUmbracoPageResult RedirectToCurrentUmbracoPage()
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{
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return new RedirectToUmbracoPageResult(CurrentPage, UmbracoContext);
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}
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/// <summary>
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/// Returns the currently rendered Umbraco page
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/// </summary>
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/// <returns></returns>
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protected UmbracoPageResult CurrentUmbracoPage()
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{
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return new UmbracoPageResult();
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}
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/// <summary>
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/// Gets the current page.
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/// </summary>
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protected IPublishedContent CurrentPage
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{
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get
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{
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var routeDefAttempt = TryGetRouteDefinitionFromAncestorViewContexts();
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if (!routeDefAttempt.Success)
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{
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throw routeDefAttempt.Exception;
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}
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var routeDef = routeDefAttempt.Result;
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return routeDef.PublishedContentRequest.PublishedContent;
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}
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}
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/// <summary>
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/// we need to recursively find the route definition based on the parent view context
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/// </summary>
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/// <returns></returns>
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/// <remarks>
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/// We may have Child Actions within Child actions so we need to recursively look this up.
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/// see: http://issues.umbraco.org/issue/U4-1844
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/// </remarks>
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private Attempt<RouteDefinition> TryGetRouteDefinitionFromAncestorViewContexts()
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{
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ControllerContext currentContext = ControllerContext;
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while (currentContext != null)
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{
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var currentRouteData = currentContext.RouteData;
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if (currentRouteData.DataTokens.ContainsKey("umbraco-route-def"))
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{
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return Attempt.Succeed((RouteDefinition) currentRouteData.DataTokens["umbraco-route-def"]);
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}
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if (currentContext.IsChildAction)
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{
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//assign current context to parent
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currentContext = currentContext.ParentActionViewContext;
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}
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else
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{
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//exit the loop
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currentContext = null;
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}
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}
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return Attempt<RouteDefinition>.Fail(
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new InvalidOperationException("Cannot find the Umbraco route definition in the route values, the request must be made in the context of an Umbraco request"));
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}
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}
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} |