Module info.json -based demo UI (WIP) (#219)

* initial work

* working with failing test

* now should pass test

src/AddStep.js

@@ -1,9 +1,13 @@
+// add steps to the sequencer 
 function AddStep(ref, image, name, o) {
 
   function addStep(image, name, o_) {
+    var moduleInfo = ref.modules[name][1];
+
     var o = ref.copy(o_);
-    o.number = ref.options.sequencerCounter++; //Gives a Unique ID to each step
-    o.name = o_.name || name;
+    o.number = ref.options.sequencerCounter++; // gives a unique ID to each step
+    o.name = o_.name || name || moduleInfo.name;
+    o.description = o_.description || moduleInfo.description;
     o.selector = o_.selector || 'ismod-' + name;
     o.container = o_.container || ref.options.selector;
     o.image = image;
@@ -11,6 +15,7 @@ function AddStep(ref, image, name, o) {
 
     o.step = {
       name: o.name,
+      description: o.description,
       ID: o.number,
       imageName: o.image,
       inBrowser: ref.options.inBrowser,

src/InsertStep.js

@@ -1,3 +1,4 @@
+// insert one or more steps at a given index in the sequencer
 function InsertStep(ref, image, index, name, o) {
 
   function insertStep(image, index, name, o_) {

src/modules/GreenChannel/Module.js

@@ -4,8 +4,6 @@
 module.exports = function GreenChannel(options,UI) {
 
   options = options || {};
-  options.title = "Green channel only";
-  options.description = "Displays only the green channel of an image";
 
   // Tell UI that a step has been set up
   UI.onSetup(options.step);

src/modules/GreenChannel/info.json

@@ -1,5 +1,6 @@
 {
   "name": "Green Channel",
+  "description": "Displays only the green channel of an image",
   "inputs": {
   }
 }

test/modules/image-sequencer.js

@@ -85,6 +85,7 @@ test('addSteps("image","name") adds a step', function (t) {
   sequencer.addSteps('test','green-channel');
   t.equal(sequencer.images.test.steps.length, 2, "Length of steps increased")
   t.equal(sequencer.images.test.steps[1].options.name, "green-channel", "Correct Step Added");
+  t.equal(sequencer.images.test.steps[1].options.description, "Displays only the green channel of an image", "Step description shown");
   t.end();
 });