Merge pull request #292 from ethereum/periodic-save

Save file contents periodically

src/app.js

@@ -452,18 +452,32 @@ var run = function () {
 
   var previousInput = ''
   var compileTimeout = null
+  var saveTimeout = null
 
   function editorOnChange () {
     var input = editor.getValue()
-    if (input === '') {
-      editor.setCacheFileContent('')
-      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(function () {
+      var input = editor.getValue()
+      editor.setCacheFileContent(input)
+    }, 5000)
+
+    // special case: there's nothing else to do
+    if (input === '') {
+      return
+    }
+
     if (!autoCompile) {
       return
     }
@@ -508,6 +522,10 @@ var run = function () {
     }
   })
 
+  compiler.event.register('compilationStarted', this, function () {
+    editor.clearAnnotations()
+  })
+
   function startdebugging (txHash) {
     transactionDebugger.debug(txHash)
     selectTab($('ul#options li.debugView'))

src/app/compiler.js

@@ -37,15 +37,13 @@ function Compiler (editor, handleGithubCall) {
     })
   }
 
-  var compile = function (missingInputs) {
-    editor.clearAnnotations()
+  var compile = function () {
     self.event.trigger('compilationStarted', [])
     var input = editor.getValue()
-    editor.setCacheFileContent(input)
 
     var files = {}
     files[utils.fileNameFromKey(editor.getCacheFile())] = input
-    internalCompile(files, missingInputs)
+    internalCompile(files)
   }
   this.compile = compile