move editorOnChange to editor

src/app.js

@@ -488,38 +488,6 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
 
   var txLogger = new TxLogger() // eslint-disable-line  
 
-  var previousInput = ''
-  var saveTimeout = null
-  function editorOnChange () {
-    var currentFile = self._components.config.get('currentFile')
-    if (!currentFile) {
-      return
-    }
-    var input = editor.get(currentFile)
-    if (!input) {
-      return
-    }
-    // if there's no change, don't do anything
-    if (input === previousInput) {
-      return
-    }
-    previousInput = input
-
-    // fire storage update
-    // NOTE: save at most once per 5 seconds
-    if (saveTimeout) {
-      window.clearTimeout(saveTimeout)
-    }
-    saveTimeout = window.setTimeout(() => {
-      fileManager.saveCurrentFile()
-    }, 5000)
-  }
-
-  // auto save the file when content changed
-  editor.event.register('contentChanged', editorOnChange)
-  // save the file when switching
-  editor.event.register('sessionSwitched', editorOnChange)
-
   executionContext.event.register('contextChanged', this, function (context) {
     self.runCompiler()
   })
@@ -533,7 +501,6 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
 
   // check init query parameters from the URL once the compiler is loaded
   self._components.compiler.event.register('compilerLoaded', this, function (version) {
-    previousInput = ''
     self.runCompiler()
 
     if (queryParams.get().context) {

src/app/editor/editor.js

@@ -7,6 +7,8 @@ var ace = require('brace')
 
 require('brace/theme/tomorrow_night_blue')
 
+var globalRegistry = require('../../global/registry')
+
 var Range = ace.acequire('ace/range').Range
 require('brace/ext/language_tools')
 require('brace/ext/searchbox')
@@ -63,13 +65,19 @@ document.head.appendChild(yo`
   </style>
 `)
 
-function Editor (opts = {}) {
+function Editor (opts = {}, localRegistry) {
   var self = this
   var el = yo`<div id="input"></div>`
   var editor = ace.edit(el)
   if (styles.appProperties.aceTheme) {
     editor.setTheme('ace/theme/' + styles.appProperties.aceTheme)
   }
+  self._components = {}
+  self._components.registry = localRegistry || globalRegistry
+  self._deps = {
+    fileManager: self._components.registry.get('filemanager').api,
+    config: self._components.registry.get('config').api
+  }
 
   ace.acequire('ace/ext/language_tools')
   editor.setOptions({
@@ -275,11 +283,15 @@ function Editor (opts = {}) {
 
   this.find = (string) => editor.find(string)
 
+  this.previousInput = ''
+  this.saveTimeout = null
   // Do setup on initialisation here
   editor.on('changeSession', function () {
+    editorOnChange(self)
     event.trigger('sessionSwitched', [])
 
     editor.getSession().on('change', function () {
+      editorOnChange(self)
       event.trigger('contentChanged', [])
     })
   })
@@ -290,4 +302,29 @@ function Editor (opts = {}) {
   editor.resize(true)
 }
 
+function editorOnChange (self) {
+  var currentFile = self._deps.config.get('currentFile')
+  if (!currentFile) {
+    return
+  }
+  var input = self.get(currentFile)
+  if (!input) {
+    return
+  }
+  // if there's no change, don't do anything
+  if (input === self.previousInput) {
+    return
+  }
+  self.previousInput = input
+
+  // fire storage update
+  // NOTE: save at most once per 5 seconds
+  if (self.saveTimeout) {
+    window.clearTimeout(self.saveTimeout)
+  }
+  self.saveTimeout = window.setTimeout(() => {
+    self._deps.fileManager.saveCurrentFile()
+  }, 5000)
+}
+
 module.exports = Editor