slowly moving git command logic out of command model

src/js/level/inputWaterfall.js

@@ -0,0 +1,38 @@
+var _ = require('underscore');
+var Backbone = require('backbone');
+
+var Main = require('../app');
+
+/**
+  * This class supports a few things we need for levels:
+    ~ A disabled map (to prevent certain git commands from firing)
+    ~ A post-git command hook (to compare the git tree against the solution)
+    ~ Extra level-specific commands (like help, hint, etc) that are async
+**/
+
+function InputWaterfall(options) {
+  options = options || {};
+  this.listenEvent = options.listenEvent || 'processCommand';
+  this.disabledMap = options.disabledMap || {};
+
+  console.log('made');
+
+  this.listen();
+}
+
+InputWaterfall.prototype.listen = function() {
+  Main.getEvents().on(this.listenEvent, this.process, this);
+};
+
+InputWaterfall.prototype.mute = function() {
+  Main.getEvents().off(this.listenEvent, this.process, this);
+};
+
+InputWaterfall.prototype.process = function(command, callback) {
+  console.log('processing');
+  // for now, just immediately fire it
+  Main.getEvents().trigger('processGitCommand', command, callback);
+};
+
+exports.InputWaterfall = InputWaterfall;
+