code: function() {
  	    var toolbar = Dom.get('toolbar');
  	    // Buttons :
  	    var newButton = new widget.Button({ label:"New", id:"WiringEditor-newButton", container: toolbar });
  	    newButton.on("click", this.onNew, this, true);
  
  	    var loadButton = new widget.Button({ label:"Load", id:"WiringEditor-loadButton", container: toolbar });
  	    loadButton.on("click", this.load, this, true);
  
  	    var saveButton = new widget.Button({ label:"Save", id:"WiringEditor-saveButton", container: toolbar });
  	    saveButton.on("click", this.onSave, this, true);
  
  	    var deleteButton = new widget.Button({ label:"Delete", id:"WiringEditor-deleteButton", container: toolbar });
  	    deleteButton.on("click", this.onDelete, this, true);
  
  	    var helpButton = new widget.Button({ label:"Help", id:"WiringEditor-helpButton", container: toolbar });
  	    helpButton.on("click", this.onHelp, this, true);
  	 }
docs: Toolbar
  @method renderButtons