javascript - How to mark required field with asterisk in Ext JS textfield labels -


i need add red asteriks multiple form fields allowblank property set false in screens extend screen below. i've tried solution here: extjs 4 - mark red asterisk on required field isn't working. there way can add functionality in initcomponent function?

ext.define('app.view.ux.visual.screen.uxclassicscreen', { extend: 'ext.form.panel', alias: 'widget.uxclassicscreen',  config: {     layout: 'vbox' },  initcomponent: function(){     var viewmodel = this.getviewmodel(),         controller = this.getcontroller();     if(viewmodel != null && controller != null){         viewmodel.set('iskiosk', controller.iskiosk());     }     this.callparent(); } });

for adding behavior fields, can override ext.form.field.base, example:

ext.define('myapp.overrides.form.field.base', {     override: 'ext.form.field.base',      initlabelable: function () {         this.callparent(arguments);          if (this.fieldlabel && this.alllowblank === false) {             this.labelseparator += '<span class="mandatory">*</span>';         }     } });

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