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   1  var FORMATCHOOSER = function() {
   2      FORMATCHOOSER.superclass.constructor.apply(this, arguments);
   3  };
   4  
   5  Y.extend(FORMATCHOOSER, Y.Base, {
   6      initializer: function(params) {
   7          if (params && params.formid) {
   8              var updatebut = Y.one('#' + params.formid + ' #id_updatecourseformat');
   9              var formatselect = Y.one('#' + params.formid + ' #id_format');
  10              var ancestor = updatebut.ancestor('fieldset');
  11              var action = Y.one('form.mform').get('action');
  12              if (updatebut && formatselect) {
  13                  updatebut.setStyle('display', 'none');
  14                  formatselect.on('change', function() {
  15                      Y.one('form.mform').set('action', action + '#' + ancestor.get('id'));
  16                      updatebut.simulate('click');
  17                  });
  18              }
  19          }
  20      }
  21  });
  22  
  23  M.course = M.course || {};
  24  M.course.init_formatchooser = function(params) {
  25      return new FORMATCHOOSER(params);
  26  };