text: export class Events {
  
    contentUrls = [undefined, undefined, undefined, 'http://kendo.jeroenvinke.nl/shared/web/panelbar/ajax/ajaxContent1.html', 'error.html'];
  
    onSelect(e) {
      this.logger.log('Select: ' + $(e.item).find('> .k-link').text());
    }
  
    onExpand(e) {
      this.logger.log('Expand: ' + $(e.item).find('> .k-link').text());
    }
  
    onCollapse(e) {
      this.logger.log('Collapse: ' + $(e.item).find('> .k-link').text());
    }
  
    onActivate(e) {
      this.logger.log('Activate: ' + $(e.item).find('> .k-link').text());
    }
  
    onContentLoad(e) {
      this.logger.log('Content loaded in <b>' + $(e.item).find('> .k-link').text() +
        '</b> and starts with <b>' + $(e.contentElement).text().substr(0, 20) + '...</b>');
    }
  
    onError(e) {
      this.logger.error('Loading failed with ' + e.xhr.statusText + ' ' + e.xhr.status);
    }
  }
  