Backend\Modules\Blog\Actions\Edit::loadRevisions PHP Method

    private function loadRevisions()
    {
        // create datagrid
        $this->dgRevisions = new BackendDataGridDB(BackendBlogModel::QRY_DATAGRID_BROWSE_REVISIONS, array('archived', $this->record['id'], BL::getWorkingLanguage()));
        // hide columns
        $this->dgRevisions->setColumnsHidden(array('id', 'revision_id'));
        // disable paging
        $this->dgRevisions->setPaging(false);
        // set headers
        $this->dgRevisions->setHeaderLabels(array('user_id' => \SpoonFilter::ucfirst(BL::lbl('By')), 'edited_on' => \SpoonFilter::ucfirst(BL::lbl('LastEditedOn'))));
        // set column-functions
        $this->dgRevisions->setColumnFunction(array(new BackendDataGridFunctions(), 'getUser'), array('[user_id]'), 'user_id');
        $this->dgRevisions->setColumnFunction(array(new BackendDataGridFunctions(), 'getTimeAgo'), array('[edited_on]'), 'edited_on');
        // check if this action is allowed
        if (BackendAuthentication::isAllowedAction('Edit')) {
            // set column URLs
            $this->dgRevisions->setColumnURL('title', BackendModel::createURLForAction('Edit') . '&id=[id]&revision=[revision_id]');
            // add use column
            $this->dgRevisions->addColumn('use_revision', null, BL::lbl('UseThisVersion'), BackendModel::createURLForAction('Edit') . '&id=[id]&revision=[revision_id]', BL::lbl('UseThisVersion'));
        }
    }