(function ($) {

/**

 * Show/hide the 'Email site administrator when updates are available' checkbox

 * on the install page.

 */

Drupal.hideEmailAdministratorCheckbox = function () {

  // Make sure the secondary box is shown / hidden as necessary on page load.

  if ($('#edit-update-status-module-1').is(':checked')) {

    $('.form-item-update-status-module-2').show();

  }

  else {

    $('.form-item-update-status-module-2').hide();

  }

  // Toggle the display as necessary when the checkbox is clicked.

  $('#edit-update-status-module-1').change( function () {

    $('.form-item-update-status-module-2').toggle();

  });

};

/**

 * Internal function to check using Ajax if clean URLs can be enabled on the

 * settings page.

 *

 * This function is not used to verify whether or not clean URLs

 * are currently enabled.

 */

Drupal.behaviors.cleanURLsSettingsCheck = {

  attach: function (context, settings) {

    // This behavior attaches by ID, so is only valid once on a page.

    // Also skip if we are on an install page, as Drupal.cleanURLsInstallCheck will handle

    // the processing.

    if (!($('#edit-clean-url').length) || $('#edit-clean-url.install').once('clean-url').length) {

      return;

    }

    var url = settings.basePath + 'admin/config/search/clean-urls/check';

    $.ajax({

      url: location.protocol + '//' + location.host + url,

      dataType: 'json',

      success: function () {

        // Check was successful. Redirect using a "clean URL". This will force the form that allows enabling clean URLs.

        location = settings.basePath +"admin/config/search/clean-urls";

      }

    });

  }

};

/**

 * Internal function to check using Ajax if clean URLs can be enabled on the

 * install page.

 *

 * This function is not used to verify whether or not clean URLs

 * are currently enabled.

 */

Drupal.cleanURLsInstallCheck = function () {

  var url = location.protocol + '//' + location.host + Drupal.settings.basePath + 'admin/config/search/clean-urls/check';

  // Submit a synchronous request to avoid database errors associated with

  // concurrent requests during install.

  $.ajax({

    async: false,

    url: url,

    dataType: 'json',

    success: function () {

      // Check was successful.

      $('#edit-clean-url').attr('value', 1);

    }

  });

};

/**

 * When a field is filled out, apply its value to other fields that will likely

 * use the same value. In the installer this is used to populate the

 * administrator e-mail address with the same value as the site e-mail address.

 */

Drupal.behaviors.copyFieldValue = {

  attach: function (context, settings) {

    for (var sourceId in settings.copyFieldValue) {

      $('#' + sourceId, context).once('copy-field-values').bind('blur', function () {

        // Get the list of target fields.

        var targetIds = settings.copyFieldValue[sourceId];

        // Add the behavior to update target fields on blur of the primary field.

        for (var delta in targetIds) {

          var targetField = $('#' + targetIds[delta]);

          if (targetField.val() == '') {

            targetField.val(this.value);

          }

        }

      });

    }

  }

};

/**

 * Show/hide custom format sections on the regional settings page.

 */

Drupal.behaviors.dateTime = {

  attach: function (context, settings) {

    for (var fieldName in settings.dateTime) {

      if (settings.dateTime.hasOwnProperty(fieldName)) {

        (function (fieldSettings, fieldName) {

          var source = '#edit-' + fieldName;

          var suffix = source + '-suffix';

          // Attach keyup handler to custom format inputs.

          $('input' + source, context).once('date-time').keyup(function () {

            var input = $(this);

            var url = fieldSettings.lookup + (/\?/.test(fieldSettings.lookup) ? '&format=' : '?format=') + encodeURIComponent(input.val());

            $.getJSON(url, function (data) {

              $(suffix).empty().append(' ' + fieldSettings.text + ': <em>' + data + '</em>');

            });

          });

        })(settings.dateTime[fieldName], fieldName);

      }

    }

  }

};

 /**

 * Show/hide settings for page caching depending on whether page caching is

 * enabled or not.

 */

Drupal.behaviors.pageCache = {

  attach: function (context, settings) {

    $('#edit-cache-0', context).change(function () {

      $('#page-compression-wrapper').hide();

      $('#cache-error').hide();

    });

    $('#edit-cache-1', context).change(function () {

      $('#page-compression-wrapper').show();

      $('#cache-error').hide();

    });

    $('#edit-cache-2', context).change(function () {

      $('#page-compression-wrapper').show();

      $('#cache-error').show();

    });

  }

};

})(jQuery);