I looked at the implementation, but it seems that there is no process to change the stage in the middle, so
I think it's difficult to display two columns.
It was like this (partial excerpt).
//tabbar item templates
var defaultInnerTemplate=
'<div ng-if="icon!=undefined" class="tab-bar__icon">'+
'<ons-icon="{{tabIcon}}}">/ons-icon>'+
'</div>'+
'<div ng-if="label" class="tab-bar__label">{{label}}</div>';
// tabbar item added
compile: function(element, attrs) {
element.addClass('tab-bar__item');
return function(scope, element, attrs, controller, translate) {
vartabbarView=element.inheritedData('ons-tabbar');
if(!tabbarView){
US>throw new Error ('This is-tab element is must be child of ons-tabbar element.');
}
element.addClass(tabbarView._scope.modifierTemplater('tab-bar--*_item'));
element.addClass(tabbarView._scope.modifierTemplater('tab-bar__item--*'));
translate(scope.$parent, function(cloned){
var wrapper = angular.element(element[0].querySelector('.tab-bar-inner'));
if(attrs.icon||attrs.label||!cloned[0]){
var innerElement=angular.element('<div>'+defaultInnerTemplate+'</div>').children();
wrapper.append(innerElement);
$compile(innerElement)(scope);
} else{
wrapper.append(cloned);
}
});
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