Club Drupal

/**

 * @file

 */

(function ($) {

  Drupal.behaviors.fieldPermissionsSettings = {

    attach: function (context) {

      // For user fields, we want the "Create own value for field X" permission

      // row to only be displayed when it's meaningful (i.e., when the "Display

      // on user registration form" checkbox is checked).

      var $user_register_form_checkbox, $required_field_checkbox, $create_permission_row;

      $user_register_form_checkbox = $('.form-item-instance-settings-user-register-form .form-checkbox', context);

      if ($user_register_form_checkbox.length) {

        // The "Required field" checkbox can cause the user registration checkbox

        // to change, so we need it also.

        $required_field_checkbox = $('.form-item-instance-required .form-checkbox', context);

        if ($required_field_checkbox.length) {

          // Get the permissions table row corresponding to the "Create own value

          // for field X" permission. The theme_user_admin_permissions() function

          // does not give us a good way to directly detect which row contains

          // the create permissions, so we have rely on the fact that it will be

          // the first row.

          $create_permission_row = $('table#permissions tbody tr', context).filter(':first');

          new Drupal.fieldPermissions.HideCreatePermission($user_register_form_checkbox, $required_field_checkbox, $create_permission_row);

        }

      }

      // Show a warning if there's no available permissions matrix.

      $('#edit-field-field-permissions-permission-warning').toggle(!$('#permissions').length);

      $('[name="field[field_permissions][type]"]').bind('change', function(option) {

        $('#edit-field-field-permissions-permission-warning').toggle(!$('#permissions').length);

      });

    }

  };

  Drupal.fieldPermissions = {};

  /**

 * Constructor for the HideCreatePermission object.

 *

 * This object hides and shows the "Create own value for field X" permission

 * for user fields when it is appropriate to do so, depending on the state of

 * the "Display on user registration form" and "Required field" checkboxes.

 */

  Drupal.fieldPermissions.HideCreatePermission = function ($user_register_form_checkbox, $required_field_checkbox, $create_permission_row) {

    this.$user_register_form_checkbox = $user_register_form_checkbox;

    this.$create_permission_row = $create_permission_row;

    // Start off by making sure the create permission row has the correct

    // visibility.

    this.setCreatePermissionVisibility();

    // Set the row's visibility again whenever the user registration checkbox

    // changes, or when the required field checkbox (which controls it) changes.

    $user_register_form_checkbox.bind('change', $.proxy(this.setCreatePermissionVisibility, this));

    $required_field_checkbox.bind('change', $.proxy(this.setCreatePermissionVisibility, this));

  };

  /**

   * Set the correct visibility of the "Create own value for field X" permission.

   */

  Drupal.fieldPermissions.HideCreatePermission.prototype.setCreatePermissionVisibility = function () {

    // Granting permissions for "Create own value for field X" only makes sense

    // when the field is configured to appear on the user registration form, so

    // only show the row in the permissions table then.

    if (this.$user_register_form_checkbox.is(':checked')) {

      this.$create_permission_row.show();

    }

    else {

      this.$create_permission_row.hide();

    }

  };

})(jQuery);