apostrophe/lib/modules/apostrophe-versions/public/js/editor.js

The Apostrophe Content Management System.

// A modal that displays a list of past versions and allows the user
// to explore changes and commit to rolling back to a particular previous
// version of a doc.

apos.define('apostrophe-versions-editor', {
  extend: 'apostrophe-modal',
  source: 'versions-editor',
  // Requires document id as the _id option
  construct: function(self, options) {
    self._id = options._id;

    self.body = {
      _id: self._id
    };

    self.beforeShow = function(callback) {
      self.$el.on('click', '[data-open-changes]', function() {
        var $toggle = $(this);
        var $version = $toggle.closest('[data-version]');
        var currentId = $version.attr('data-version');
        var oldId = $version.attr('data-previous');
        var $versionContent = $version.find('[data-changes]');
        var noChanges = self.$el.find('[data-no-changes]').attr('data-no-changes');
        if ($versionContent.html() !== '') {
          $versionContent.html('');
        } else {
          self.html('compare', { oldId: oldId, currentId: currentId }, function(html) {
            if (html && html.trim() === '') {
              html = noChanges;
            }
            $versionContent.html(html);
          });
        }
        return false;
      });
      self.$el.on('click', '[data-apos-revert]', function() {
        self.api('revert', {
          _id: $(this).closest('[data-version]').attr('data-version')
        },
        function(result) {
          if (result.status !== 'ok') {
            apos.notify('An error occurred.', { type: 'error', dismiss: true });
            return;
          }
          self.hide();
          return self.options.afterRevert();
        }
        );
        return false;
      });
      return callback(null);
    };
  }
});