{I"
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  $(document).on('ready page:change', function() {
    jQuery.fn.extend({
      select2_single: function(params) {
        var default_params;
        this.each(function() {
          var child_field;
          if ($(this).data('child-field') && (child_field = $($(this).data('child-field')))) {
            return $(this).on('change', function() {
              var record_id, where_obj;
              record_id = this.value;
              where_obj = {};
              where_obj[child_field.data('foreign-key')] = record_id;
              return child_field.select2_single({
                ajax: {
                  data: function(term, page) {
                    return {
                      term: term,
                      page: page,
                      where: where_obj,
                      model: $(this).data('model'),
                      column: $(this).data('column')
                    };
                  }
                }
              });
            }).trigger('change');
          }
        });
        default_params = {
          width: '100%',
          initSelection: function(element, callback) {
            return callback({
              id: element.val(),
              text: element.data('init') || ''
            });
          },
          ajax: {
            url: '/select2/results',
            dataType: 'json',
            data: function(term, page) {
              return {
                term: term,
                page: page,
                model: $(this).data('model'),
                column: $(this).data('column')
              };
            },
            results: function(data, page) {
              return data;
            }
          }
        };
        return this.select2($.extend(true, default_params, params));
      },
      select2_multiple: function(params) {
        var default_params;
        default_params = {
          multiple: true,
          width: '100%',
          initSelection: function(element, callback) {
            $(element).val('');
            return callback($(element).data('init'));
          },
          ajax: {
            url: '/select2/results',
            dataType: 'json',
            data: function(term, page) {
              return {
                term: term,
                page: page,
                model: $(this).data('model'),
                column: $(this).data('column')
              };
            },
            results: function(data, page) {
              return data;
            }
          }
        };
        return this.select2($.extend(true, default_params, params));
      }
    });
    $('.select2').select2({
      width: '100%'
    });
    $('.select2-single').select2_single();
    $('.select2-multiple').select2_multiple();
    $('.select2-tags-array').select2({
      tags: [],
      width: '100%',
      initSelection: function(element, callback) {
        $(element).val('');
        return callback($(element).data('init').map(function(value) {
          return {
            id: value,
            text: value
          };
        }));
      },
      createSearchChoice: function(term) {
        return {
          id: term,
          text: term
        };
      }
    });
    $('.select2-tags').select2({
      multiple: true,
      width: '100%',
      initSelection: function(element, callback) {
        return callback($.map(element.val().split(/[ ,]+/), function(value) {
          return {
            id: value,
            text: value
          };
        }));
      },
      createSearchChoice: function(term) {
        return {
          id: term,
          text: term
        };
      },
      ajax: {
        url: '/select2/tags',
        dataType: 'json',
        data: function(term, page) {
          return {
            term: term,
            page: page,
            context: $(this).data('context')
          };
        },
        results: function(data, page) {
          return data;
        }
      }
    });
    $('.select2-polymorphic').change(function(e) {
      var column_name, model_name, target;
      model_name = $(this).val();
      column_name = $(this).data('models')[model_name];
      target = $(this).data('target') || '#' + this.id.replace('_type', '_id');
      return $(target).select2({
        width: '100%',
        initSelection: function(element, callback) {
          return callback({
            id: element.val(),
            text: element.data('text')
          });
        },
        ajax: {
          url: '/select2/results',
          dataType: 'json',
          data: function(term, page) {
            return {
              term: term,
              page: page,
              model: model_name,
              column: column_name
            };
          },
          results: function(data, page) {
            return data;
          }
        }
      });
    });
    return $('.select2-polymorphic').trigger('change');
  });

}).call(this);
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