$(document).on('turbolinks:load', function() {
  if ($('body.admins-subjects-index-page').length > 0) {
    var $form = $('.subject-list-form');

    // ************** 学校选择 *************
    $form.find('.school-select').select2({
      theme: 'bootstrap4',
      placeholder: '请选择创建者单位',
      minimumInputLength: 1,
      ajax: {
        delay: 500,
        url: '/api/schools/for_option.json',
        dataType: 'json',
        data: function(params){
          return { keyword: params.term };
        },
        processResults: function(data){
          return { results: data.schools }
        }
      },
      templateResult: function (item) {
        if(!item.id || item.id === '') return item.text;
        return item.name;
      },
      templateSelection: function(item){
        if (item.id) {
        }
        return item.name || item.text;
      }
    });

    // 清空
    $form.on('click', '.clear-btn', function(){
      $form.find('select[name="status"]').val('');
      $form.find('.school-select').val('').trigger('change');
      $form.find('input[name="keyword"]').val('');
      $form.find('#homepage_show').attr('checked', false);
      $form.find('#excellent').attr('checked', false);
      $form.find('input[type="submit"]').trigger('click');
    })

    // 上传图片
    $('.modal.admin-upload-file-modal').on('upload:success', function(e, data){
      var $imageElement = $('.subject-image-' + data.source_id);
      $imageElement.attr('src', data.url);
      $imageElement.show();
      $imageElement.next().html('重新上传');
    })
  }
});