getTip: function() {
                                        var tip = this.tip;

                                        if (!tip) {
                                            tip = this.tip = Ext.widget('tooltip', {
                                                target: this.el,
                                                title: 'Error Details:',
                                                autoHide: false,
                                                anchor: 'bottom',
                                                mouseOffset: [-11, -2],
                                                closable: true,
                                                constrainPosition: false,
                                                cls: 'errors-tip'
                                            });
                                            console.log(tip)
                                            tip.show();
                                        }
                                        return tip;
                                    },