system/controls/formcontroldropbutton.php

<?php

namespace Habari;

class FormControlDropbutton extends FormContainer
{
  static $outpre = false;

  public function _extend() {
    $this->properties['type'] = 'hidden';
    $this->add_template_class('div', 'dropbutton dropbutton_control');
  }

  public function pre_out()
  {
    $out = '';
    if ( !self::$outpre ) {
      self::$outpre = true;
      $out = <<<  CUSTOM_DROPBUTTON_JS
        <script type="text/javascript">
controls.init(function(){
  $('body').on('click', function(e){
    $('.dropbutton').removeClass('dropped');
  });
  $('.dropbutton_control').each(function(){
    var self = $(this);
    var needWidth = self.find('.primary').outerWidth()+self.find('.dropdown').outerWidth();
    var menu = self.find('.dropdown-menu');
    menu.css('margin-left', -200)
    toWidth = Math.max(needWidth, menu.width());
    marginleft = Math.min(0, needWidth - menu.width());
    if(marginleft < -2) {
      $('li:first-child input', menu).css('border-top-left-radius', '3px');
    }
    menu.width(toWidth).css('margin-left', marginleft);
    self.find('.dropdown').on('click', function(event){
      $('.dropbutton_control').not(self).removeClass('dropped');
      self.toggleClass('dropped');
      event.preventDefault();
      return false;
    });
  });
});
        </script>
CUSTOM_DROPBUTTON_JS;
    }
    return $this->controls_js($out);
  }


  public function do_success($form)
  {
    $actions = $this->get_setting('actions', array());
    if(isset($actions[$this->value])) {
      if(isset($actions[$this->value]['fn']) && is_callable($actions[$this->value]['fn'])) {
        $fn = $actions[$this->value]['fn'];
        call_user_func($fn, $form);
      }
      elseif(isset($actions[$this->value]['href']) && is_string(isset($actions[$this->value]['href']))) {
        Utils::redirect($actions[$this->value]['href'], true);
      }
    }
    return parent::do_success($form);
  }

  public function get(Theme $theme)
  {
    $primary = true;
    $controls = array();
    foreach ( $this->controls as $index => $control ) {
      if($control->is_enabled()) {
        $control->add_class('dropbutton_action');
        $control->add_class(Utils::slugify($control->input_name()));
        if($primary) {
          $control->add_class('primary');
          $primary = false;
        }
        $controls[$index] = $control;
      }
    }
    if(count($controls) == 0) {
      return '';
    }
    $this->vars['first'] = array_shift($controls);
    $this->vars['actions'] = $controls;
    $this->set_template_properties('div', array('id' => $this->get_visualizer()));
    $this->add_template_class('ul', 'dropdown-menu');
    if(count($controls) > 0) {  // Remember, these are in the dropmenu, doesn't include the first
      $this->add_template_class('div', 'has-drop');
    }
    else {
      $this->add_template_class('div', 'no-drop');
    }
    return parent::get($theme);
  }

  public function get_visualizer()
  {
    return $this->get_id() . '_visualizer';
  }


}


?>