add editor getSelectedText method

lib/ace/editor.js

@@ -739,25 +739,24 @@ var Editor = function(renderer, session) {
         this.renderer.updateFull();
     };
 
+    
+    /**
+     * Returns the string of text currently highlighted.
+     * @returns {String}
+     **/
+    this.getSelectedText = function() {
+        return this.session.getTextRange(this.getSelectionRange());
+    };
+    
     /**
      * Emitted when text is copied.
      * @event copy
      * @param {String} text The copied text
      *
-     *
      **/
-    /**
-     *
-     * Returns the string of text currently highlighted.
-     * @returns {String}
-     **/
-
     this.getCopyText = function() {
-        var text = "";
+        var text = this.getSelectedText();
-        if (!this.selection.isEmpty())
+        this._signal("copy", text);
-            text = this.session.getTextRange(this.getSelectionRange());
-
-        this._emit("copy", text);
         return text;
     };
 

lib/ace/multi_select.js

@@ -519,7 +519,7 @@ var Editor = require("./editor").Editor;
         this.multiSelect.toSingleRange();
     };
 
-    this.getCopyText = function() {
+    this.getSelectedText = function() {
         var text = "";
         if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {
             var ranges = this.multiSelect.rangeList.ranges;
@@ -534,7 +534,6 @@ var Editor = require("./editor").Editor;
         } else if (!this.selection.isEmpty()) {
             text = this.session.getTextRange(this.getSelectionRange());
         }
-        this._signal("copy", text);
         return text;
     };