cleanup, start to testing, docs, etc

src/ImageSequencer.js

@@ -0,0 +1,92 @@
+window.$ = window.jQuery = require('jquery');
+
+ImageSequencer = function ImageSequencer(options) {
+
+  options = options || {};
+  options.defaultSteps = options.defaultSteps || function defaultSteps() {
+    addStep('image-select');
+  }
+
+  var image,
+      steps = [],
+      modules = require('./Modules');
+
+  options.ui = options.ui || require('./UserInterface')();
+
+  options.defaultSteps();
+
+  function addStep(name, o) {
+    console.log('adding step "' + name + '"');
+
+    o = o || {};
+    o.container = o.container || options.selector;
+    o.createUserInterface = o.createUserInterface || options.ui.create;
+
+    var module = modules[name](o);
+
+    steps.push(module);
+
+    if (steps.length > 1) {
+ 
+      if (module.setup) module.setup();
+
+      var lastStep = steps[steps.length - 2];
+ 
+      // connect last step to input of this step
+      lastStep.options.onComplete = function onComplete(_image) {
+        log('running module "' + name + '"');
+        if (lastStep.options.ui) lastStep.options.ui.el.html(_image);
+        module.draw(_image);
+      }
+
+      module.options.onComplete = function onComplete(_image) {
+        if (module.options.ui) module.options.ui.el.html(_image);
+      }
+
+    } else {
+
+      module.setup(); // just set up initial ImageSelect
+
+    }
+  }
+
+  function log(msg) {
+    $('.log').append(msg + ' at ' + new Date());
+    console.log(msg);
+  }
+
+  function run() {
+
+    steps[0].draw();
+
+  }
+
+  // load default starting image
+  // i.e. from parameter
+  // this could send the image to ImageSelect, or something?
+// not currently working
+  function loadImage(src, callback) {
+
+    image = new Image();
+
+    image.onload = function() {
+      run();
+      if (callback) callback(image);
+    }
+
+    image.src = src;
+
+  }
+
+  return {
+    loadImage: loadImage,
+    addStep: addStep,
+    run: run,
+    modules: modules,
+    steps: steps,
+    ui: options.ui
+  }
+
+}
+
+module.exports = ImageSequencer;