select - how to get a selectfield inside of a panel working (sencha touch) -

i try selectfield inside floating, modal centerd panel working when click select, "mother"-panel closes , selection-panel of selectfield stays.

if (!this.popup) {                 this.popup = new ext.panel({                     floating: true,                     modal: true,                     centered: true,                     width: 390,                     height: heightofpopup,                     stylehtmlcontent: true,                     scroll: 'vertical', items: [{                                 xtype: 'selectfield',                                 name: 'options',                                 options: [                                     {text: 'this big select',  value: '1'},                                     {text: 'another select item', value: '2'}                                 ]                           }]...  

what doing wrong?

thnx!

try adding panel options:

hideonmasktap: false,