json['min'] = $this->min;
$this->json['max'] = $this->max;
$this->json['step'] = $this->step;
$this->json['unit'] = $this->unit;
$this->json['value'] = $this->value();
}
/**
* Don't render any content for this control from PHP.
*
* @see Barter_A13_Customize_Button_Set_Control::content_template()
*/
public function render_content() {}
/**
* Render a JS template for the content of the button_set control.
*
*/
public function content_template() {
?>
<#
var id = data.settings.default,
using_unit = data.unit.length > 0;
#>
<# if ( data.label ) { #>
<# } #>
<# if ( data.description ) { #>
{{{ data.description }}}
<# } #>