add msg.property option to rbe, randon, smooth and base64 nodes

parsers/base64/70-base64.html

@@ -1,5 +1,9 @@
 
 <script type="text/x-red" data-template-name="base64">
+    <div class="form-row">
+        <label for="node-input-property"><i class="fa fa-ellipsis-h"></i> <span data-i18n="node-red:common.label.property"></span></label>
+        <input type="text" id="node-input-property" style="width:70%;"/>
+    </div>
     <div class="form-row">
         <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="node-red:common.label.name"></span></label>
         <input type="text" id="node-input-name" data-i18n="[placeholder]node-red:common.label.name">
@@ -7,7 +11,7 @@
 </script>
 
 <script type="text/x-red" data-help-name="base64">
-    <p>A function that converts the <code>msg.payload</code> to and from base64 format.</p>
+    <p>A function that converts the chosen proerty (default <code>msg.payload</code>) to and from base64 format.</p>
     <p>If the input is a buffer it converts it to a Base64 encoded string.</p>
     <p>If the input is a Base64 string it converts it back to a binary buffer.</p>
 </script>
@@ -17,7 +21,8 @@
         category: 'function',
         color:"#DEBD5C",
         defaults: {
-            name: {value:""}
+            name: {value:""},
+            property: {value:"payload",required:true}
         },
         inputs:1,
         outputs:1,
@@ -27,6 +32,12 @@
         },
         labelStyle: function() {
             return this.name?"node_label_italic":"";
+        },
+        oneditprepare: function() {
+            if (this.property === undefined) {
+                $("#node-input-property").val("payload");
+            }
+            $("#node-input-property").typedInput({default:'msg',types:['msg']});
         }
     });
 </script>

parsers/base64/70-base64.js

@@ -1,28 +1,32 @@
 
 module.exports = function(RED) {
     "use strict";
-
     function Base64Node(n) {
         RED.nodes.createNode(this,n);
+        this.property = n.property||"payload";
         var node = this;
         this.on("input", function(msg) {
-            if (msg.hasOwnProperty("payload")) {
-                if (Buffer.isBuffer(msg.payload)) {
+            var value = RED.util.getMessageProperty(msg,node.property);
+            if (value !== undefined) {
+                if (Buffer.isBuffer(value)) {
                     // Take binary buffer and make into a base64 string
-                    msg.payload = msg.payload.toString('base64');
+                    value = value.toString('base64');
+                    RED.util.setMessageProperty(msg,node.property,value);
                     node.send(msg);
                 }
-                else if (typeof msg.payload === "string") {
+                else if (typeof value === "string") {
                     // Take base64 string and make into binary buffer
-                    var load = msg.payload.replace(/\s+/g,'');      // remove any whitespace
+                    var load = value.replace(/\s+/g,'');      // remove any whitespace
                     var regexp = new RegExp('^[A-Za-z0-9+\/=]*$');  // check it only contains valid characters
                     if ( regexp.test(load) && (load.length % 4 === 0) ) {
-                        msg.payload = new Buffer(load,'base64');
+                        value = new Buffer(load,'base64');
+                        RED.util.setMessageProperty(msg,node.property,value);
                         node.send(msg);
                     }
                     else {
                         //node.log("Not a Base64 string - maybe we should encode it...");
-                        msg.payload = (new Buffer(msg.payload,"binary")).toString('base64');
+                        value = (new Buffer(value,"binary")).toString('base64');
+                        RED.util.setMessageProperty(msg,node.property,value);
                         node.send(msg);
                     }
                 }
@@ -30,7 +34,7 @@ module.exports = function(RED) {
                     node.warn("This node only handles strings or buffers.");
                 }
             }
-            else { node.warn("No payload found to process"); }
+            else { node.warn("No property found to process"); }
         });
     }
     RED.nodes.registerType("base64",Base64Node);

parsers/base64/package.json

@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-base64",
-    "version"       : "0.0.8",
+    "version"       : "0.1.0",
     "description"   : "A Node-RED node to pack and unpack objects to base64 format",
     "dependencies"  : {
     },