Refresh context sidebar tab based on selection

red/api/admin/context.js

@@ -0,0 +1,61 @@
+/**
+ * Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var log;
+var redNodes;
+var util;
+
+module.exports = {
+    init: function(runtime) {
+        redNodes = runtime.nodes;
+        log = runtime.log;
+        util = runtime.util;
+    },
+
+    get: function(req,res) {
+        var scope = req.params.scope;
+        var id = req.params.id;
+        var key = req.params[0];
+        var result = {};
+        var ctx;
+        if (scope === 'global') {
+            ctx = redNodes.getContext('global');
+        } else if (scope === 'flow') {
+            ctx = redNodes.getContext(id);
+        } else if (scope === 'node') {
+            var node = redNodes.getNode(id);
+            if (node) {
+                ctx = node.context();
+            }
+        }
+        if (ctx) {
+            if (key) {
+                result = util.encodeObject({msg:ctx.get(key)});
+            } else {
+                var keys = ctx.keys();
+
+                var i = 0;
+                var l = keys.length;
+                while(i < l) {
+                    var k = keys[i];
+                    result[k] = util.encodeObject({msg:ctx.get(k)});
+                    i++;
+                }
+            }
+        }
+        res.json(result);
+    }
+}

red/api/admin/index.js

@@ -19,6 +19,7 @@ var express = require("express");
 var nodes = require("./nodes");
 var flows = require("./flows");
 var flow = require("./flow");
+var context = require("./context");
 var auth = require("../auth");
 
 var apiUtil = require("../util");
@@ -28,6 +29,7 @@ module.exports = {
         flows.init(runtime);
         flow.init(runtime);
         nodes.init(runtime);
+        context.init(runtime);
 
         var needsPermission = auth.needsPermission;
 
@@ -52,6 +54,12 @@ module.exports = {
         adminApp.get(/\/nodes\/((@[^\/]+\/)?[^\/]+)\/([^\/]+)$/,needsPermission("nodes.read"),nodes.getSet,apiUtil.errorHandler);
         adminApp.put(/\/nodes\/((@[^\/]+\/)?[^\/]+)\/([^\/]+)$/,needsPermission("nodes.write"),nodes.putSet,apiUtil.errorHandler);
 
+        // Context
+        adminApp.get("/context/:scope(global)",needsPermission("context.read"),context.get,apiUtil.errorHandler);
+        adminApp.get("/context/:scope(global)/*",needsPermission("context.read"),context.get,apiUtil.errorHandler);
+        adminApp.get("/context/:scope(node|flow)/:id",needsPermission("context.read"),context.get,apiUtil.errorHandler);
+        adminApp.get("/context/:scope(node|flow)/:id/*",needsPermission("context.read"),context.get,apiUtil.errorHandler);
+
         return adminApp;
     }
 }

red/runtime/nodes/context.js

@@ -84,6 +84,7 @@ function clean(flowConfig) {
 module.exports = {
     init: function(settings) {
         globalContext = createContext("global",settings.functionGlobalContext || {});
+        contexts['global'] = globalContext;
     },
     get: getContext,
     delete: deleteContext,

red/runtime/nodes/index.js

@@ -167,6 +167,8 @@ module.exports = {
     createNode: createNode,
     getNode: flows.get,
     eachNode: flows.eachNode,
+    getContext: context.get,
+
 
     paletteEditorEnabled: registry.paletteEditorEnabled,
     installModule: installModule,