From fde77cec5dc3a0e8359e7be0743b1f1489be7808 Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Thu, 7 Aug 2014 13:46:03 +0100
Subject: [PATCH] Add rest endpoint for add/remove and send updates to editor

---
 public/red/main.js       | 21 ++++++++++++++++++++
 public/red/ui/palette.js | 42 ++++++++++++++++++++++++----------------
 red/server.js            | 31 +++++++++++++++++++++++++++++
 3 files changed, 77 insertions(+), 17 deletions(-)

diff --git a/public/red/main.js b/public/red/main.js
index c634e78c6..f2c387492 100644
--- a/public/red/main.js
+++ b/public/red/main.js
@@ -176,6 +176,27 @@ var RED = function() {
                     }
                 }
             });
+            RED.comms.subscribe("node/#",function(topic,msg) {
+                if (topic == "node/added") {
+                    for (var i=0;i<msg.length;i++) {
+                        var m = msg[i];
+                        var id = m.id;
+                        $.get('nodes/'+id, function(data) {
+                            $("body").append(data);
+                            var typeList = "<ul><li>"+m.types.join("</li><li>")+"</li></ul>";
+                            RED.notify("Node"+(m.types.length!=1 ? "s":"")+" added to palette:"+typeList,"success");
+                        });
+                    }
+                } else if (topic == "node/removed") {
+                    if (msg.types) {
+                        for (var i=0;i<msg.types.length;i++) {
+                            RED.palette.remove(msg.types[i]);
+                        }
+                        var typeList = "<ul><li>"+msg.types.join("</li><li>")+"</li></ul>";
+                        RED.notify("Node"+(msg.types.length!=1 ? "s":"")+" removed from palette:"+typeList,"success");
+                    }
+                }
+            });
         });
     }
 
diff --git a/public/red/ui/palette.js b/public/red/ui/palette.js
index a6754e2ec..28e4445d0 100644
--- a/public/red/ui/palette.js
+++ b/public/red/ui/palette.js
@@ -21,27 +21,31 @@ RED.palette = function() {
     
     function createCategoryContainer(category){
 
-        $("#palette-container").append('\
-            <div class="palette-category">\
-            <div id="header-'+category+'" class="palette-header"><i class="expanded icon-chevron-down"></i><span>'+category+'</span></div>\
-            <div class="palette-content" id="palette-base-category-'+category+'">\
-              <div id="palette-'+category+'-input"></div>\
-              <div id="palette-'+category+'-output"></div>\
-              <div id="palette-'+category+'-function"></div>\
-            </div>\
-            </div>');
+        $("#palette-container").append('<div class="palette-category">'+
+            '<div id="header-'+category+'" class="palette-header"><i class="expanded icon-chevron-down"></i><span>'+category+'</span></div>'+
+            '<div class="palette-content" id="palette-base-category-'+category+'">'+
+              '<div id="palette-'+category+'-input"></div>'+
+              '<div id="palette-'+category+'-output"></div>'+
+              '<div id="palette-'+category+'-function"></div>'+
+            '</div>'+
+            '</div>');
           
     }
     
     core.forEach(createCategoryContainer);
     
     function addNodeType(nt,def) {
+        
+        if ($("#palette_node_"+nt).length) {
+            return;
+        }
+        
         if (exclusion.indexOf(def.category)===-1) {
           
           var category = def.category.split("-");
           
           var d = document.createElement("div");
-          d.id = "pn_"+nt;
+          d.id = "palette_node_"+nt;
           d.type = nt;
           
           var label = /^(.*?)([ -]in|[ -]out)?$/.exec(nt)[1];
@@ -71,15 +75,14 @@ RED.palette = function() {
               d.appendChild(port);
           }
           
-          if($("#palette-base-category-"+category[0]).length == 0){
-            createCategoryContainer(category[0]);
+          if ($("#palette-base-category-"+category[0]).length == 0){
+              createCategoryContainer(category[0]);
           }
           
-          if($("#palette-"+def.category).length == 0){          
-            $("#palette-base-category-"+category[0]).append('\
-            <div id="palette-'+def.category+'"></div>');            
+          if ($("#palette-"+def.category).length == 0) {          
+              $("#palette-base-category-"+category[0]).append('<div id="palette-'+def.category+'"></div>');            
           }
-
+          
           $("#palette-"+def.category).append(d);
           d.onmousedown = function(e) { e.preventDefault(); }
           
@@ -111,6 +114,10 @@ RED.palette = function() {
         }
     }
     
+    function removeNodeType(type) {
+        $("#palette_node_"+type).remove();
+    }
+    
     function filterChange() {
         var val = $("#palette-search-input").val();
         if (val == "") {
@@ -155,6 +162,7 @@ RED.palette = function() {
     });
     
     return {
-        add:addNodeType
+        add:addNodeType,
+        remove:removeNodeType
     };
 }();
diff --git a/red/server.js b/red/server.js
index 2fa15bb07..5961b96ac 100644
--- a/red/server.js
+++ b/red/server.js
@@ -59,6 +59,37 @@ function createServer(_server,_settings) {
             res.send(400,"Invalid Flow");
         }
     );
+    
+    app.post("/nodes",
+        express.json(),
+        function(req,res) {
+            var node = req.body;
+            if (!node.file && !node.module) {
+                res.send(400,"Invalid request");
+                return;
+            }
+            redNodes.addNode(node).then(function(info) {
+                comms.publish("node/added",info,false);
+                res.json(info);
+            }).otherwise(function(err) {
+                res.send(400,err.toString());
+            });
+        },
+        function(err,req,res,next) {
+            res.send(400,err);
+        }
+    );
+    
+    app.get("/nodes/:id", function(req,res) {
+        var type = req.params.id;
+        var config = redNodes.getNodeConfig(id);
+        if (config) {
+            res.send(config);
+        } else {
+            res.send(404);
+        }
+    });
+    
 }
 
 function start() {