add wrap_with_abbreviation emmet command

lib/ace/ext/emmet.js

@@ -51,6 +51,8 @@ AceEmmetEditor.prototype = {
     setupContext: function(editor) {
         this.ace = editor;
         this.indentation = editor.session.getTabString();
+        if (!emmet)
+            emmet = window.emmet;
         emmet.require("resources").setVariable("indentation", this.indentation);
         this.$syntax = null;
         this.$syntax = this.getSyntax();
@@ -161,7 +163,7 @@ AceEmmetEditor.prototype = {
      */
     replaceContent: function(value, start, end, noIndent) {
         if (end == null)
-            end = start == null ? content.length : start;
+            end = start == null ? this.getContent().length : start;
         if (start == null)
             start = 0;
         var utils = emmet.require("utils");
@@ -228,7 +230,7 @@ AceEmmetEditor.prototype = {
                 if (state.length > 1)
                     syntax = state[0];
                 else if (syntax == "php")
-                    syntax = "html"
+                    syntax = "html";
             }
         }
         return syntax;
@@ -309,12 +311,13 @@ var keymap = {
     // update_image_size: {"mac": "shift+ctrl+i", "win": "ctrl+u"},
     // expand_as_you_type: "ctrl+alt+enter",
     // wrap_as_you_type: {"mac": "shift+ctrl+g", "win": "shift+ctrl+g"},
-    expand_abbreviation_with_tab: "Tab"
+    expand_abbreviation_with_tab: "Tab",
+    wrap_with_abbreviation: {"mac": "shift+ctrl+a", "win": "shift+ctrl+a"}
 };
 
 var editorProxy = new AceEmmetEditor();
 exports.commands = new HashHandler();
-function runEmmetCommand(editor) {
+exports.runEmmetCommand = function(editor) {
     editorProxy.setupContext(editor);
     if (editorProxy.getSyntax() == "php")
         return false;
@@ -325,6 +328,13 @@ function runEmmetCommand(editor) {
             return false;
     }
     
+    if (this.action == "wrap_with_abbreviation") {
+        // without setTimeout prompt doesn't work on firefox
+        return setTimeout(function() {
+            actions.run("wrap_with_abbreviation", editorProxy);
+        }, 0);
+    }
+    
     try {
         var result = actions.run(this.action, editorProxy);
     } catch(e) {
@@ -332,14 +342,14 @@ function runEmmetCommand(editor) {
         console.log(e);
     }
     return result;
-}
+};
 
 for (var command in keymap) {
     exports.commands.addCommand({
         name: "emmet:" + command,
         action: command,
         bindKey: keymap[command],
-        exec: runEmmetCommand,
+        exec: exports.runEmmetCommand,
         multiSelectAction: "forEach"
     });
 }
@@ -359,7 +369,7 @@ var onChangeMode = function(e, target) {
 };
 
 
-exports.AceEmmetEditor = AceEmmetEditor
+exports.AceEmmetEditor = AceEmmetEditor;
 require("ace/config").defineOptions(Editor.prototype, "editor", {
     enableEmmet: {
         set: function(val) {