add simple keyboard macros

lib/ace/commands/command_manager.js

@@ -107,6 +107,36 @@ var CommandManager = function(platform, commands) {
         return true;
     };
 
+    this.toggleRecording = function() {
+        if (this.recording) {
+            this.exec = this.normal_exec;
+            return this.recording = false;
+        }
+        this.macro = []
+        this.normal_exec = this.exec;
+        this.exec = function(command, editor, args) {
+            this.macro.push([command, args]);
+            return this.normal_exec(command, editor, args);
+        };
+        return this.recording = true;
+    };
+    
+    this.replay = function(editor){
+        if (!this.macro) {
+            this.toggleRecording();
+            return
+        }
+
+        if (this.recording) {
+            this.toggleRecording();
+            this.macro.pop()
+        }
+        
+        this.macro.forEach(function(x) {
+            this.exec(x[0], editor, x[1]);
+        }, this)
+    };
+
 }).call(CommandManager.prototype);
 
 exports.CommandManager = CommandManager;

lib/ace/commands/default_commands.js

@@ -252,6 +252,16 @@ exports.commands = [{
     bindKey: bindKey("Shift-End", "Shift-End"),
     exec: function(editor) { editor.getSelection().selectLineEnd(); },
     readOnly: true
+}, {
+    name: "togglerecording",
+    bindKey: bindKey("Ctrl-Shift-E", "Ctrl-Shift-E"),
+    exec: function(editor) { editor.commands.toggleRecording(); },
+    readOnly: true
+}, {
+    name: "replaymacro",
+    bindKey: bindKey("Ctrl-E", "Ctrl-E"),
+    exec: function(editor) { editor.commands.replay(editor); },
+    readOnly: true
 }, 
 
 // commands disabled in readOnly mode