Get Entity by Query WIP

src/Umbraco.Web.UI.Client/src/common/resources/entity.resource.js

@@ -99,6 +99,16 @@ function entityResource($q, $http, umbRequestHelper) {
                'Failed to retreive entity data for id ' + id);
         },
         
+        getByQuery: function (query, rootNodeId, type) {            
+            return umbRequestHelper.resourcePromise(
+               $http.get(
+                   umbRequestHelper.getApiUrl(
+                       "entityApiBaseUrl",
+                       "GetByQuery",
+                       [{query: query},{ rootNodeId: rootNodeId}, {type: type }])),
+               'Failed to retreive entity data for query ' + query);
+        },
+
         /**
          * @ngdoc method
          * @name umbraco.resources.entityResource#getByIds

src/Umbraco.Web.UI.Client/src/views/propertyeditors/contentpicker/contentpicker.controller.js

@@ -3,7 +3,7 @@
 angular.module('umbraco')
 .controller("Umbraco.PropertyEditors.ContentPickerController",
 	
-	function($scope, dialogService, entityResource, $log, iconHelper){
+	function($scope, dialogService, entityResource, editorState, $log, iconHelper){
 		$scope.renderModel = [];
 		$scope.ids = $scope.model.value ? $scope.model.value.split(',') : [];
         
@@ -11,6 +11,8 @@ angular.module('umbraco')
 		$scope.cfg = {
 			multiPicker: "0", 
 			entityType: "Document", 
+			filterCssClass: "not-allowed not-published",
+
 			startNode:{
 				type: "content",
 				id: -1
@@ -31,11 +33,23 @@ angular.module('umbraco')
 			$scope.cfg.entityType = "Media";
 		}
 
+		//if we have a query for the startnode, we will use that. 
+		if($scope.cfg.startNode.query){
+			var rootId = -1;
+			if($scope.cfg.startNode.scope === "current"){
+				rootId = editorState.current.id;
+			}
+
+			entityResource.getByQuery($scope.cfg.startNode.query, rootId, "Document").then(function(ent){
+				$scope.cfg.startNodeId = ent.id;	
+			});	
+		}else{
+			$scope.cfg.startNodeId = $scope.cfg.startNode.id;
+		}
+
 		$scope.cfg.callback = populate;
 		$scope.cfg.treeAlias = $scope.cfg.startNode.type;
-		$scope.cfg.section = $scope.cfg.startNode.type;
-		$scope.cfg.startNodeId = $scope.cfg.startNode.id;
-		$scope.cfg.filterCssClass = "not-allowed not-published";
+		$scope.cfg.section = $scope.cfg.startNode.type;		
 		
 		//load current data
 		entityResource.getByIds($scope.ids, $scope.cfg.entityType).then(function(data){

src/Umbraco.Web/Editors/EntityController.cs

@@ -25,6 +25,7 @@ using Examine;
 using Examine.LuceneEngine.SearchCriteria;
 using Examine.SearchCriteria;
 using Umbraco.Web.Dynamics;
+using umbraco;
 
 namespace Umbraco.Web.Editors
 {
@@ -128,6 +129,45 @@ namespace Umbraco.Web.Editors
             return GetResultForKey(id, type);
         }
 
+        /// <summary>
+        /// Gets an entity by a xpath or css-like query
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        public EntityBasic GetByQuery(string query, int rootNodeId, UmbracoEntityTypes type)
+        {
+            
+            //this is css (commented out for now, due to external dependency) 
+            //if (!query.Contains("::") && !query.Contains('/'))
+            //    query = css2xpath.Converter.CSSToXPath(query, "");
+
+                
+            if(rootNodeId < 0){
+                var nodes = global::umbraco.library.GetXmlNodeByXPath(query);
+                var node = uQuery.GetNodesByXPath(query).FirstOrDefault();
+
+                if(node == null)
+                    return null;
+                    
+                return GetById(node.Id, UmbracoEntityTypes.Document);
+            }else{
+                var node = global::umbraco.library.GetXmlNodeById(rootNodeId.ToString());
+                if (node.MoveNext())
+                {
+                    if (node.Current != null)
+                    {
+                        var result = node.Current.Select(query);
+                        //set it to the first node found (if there is one), otherwise to -1
+                        if (result.Current != null)
+                            return GetById(int.Parse(result.Current.GetAttribute("id", string.Empty)), UmbracoEntityTypes.Document);
+                    }
+                }
+            }
+
+            return null;
+        }
+
         public EntityBasic GetById(int id, UmbracoEntityTypes type)
         {
             return GetResultForId(id, type);