public function renderExample()
{
$request = $this->getRequest();
$offset = (int) $request->getInt('offset');
$page_size = 20;
$item_count = 173;
$rows = array();
for ($ii = $offset; $ii < min($item_count, $offset + $page_size); $ii++) {
$rows[] = array(pht('Item #%d', $ii + 1));
}
$table = new AphrontTableView($rows);
$table->setHeaders(array('Item'));
$panel = new PHUIObjectBoxView();
$panel->setHeaderText(pht('Example'));
$panel->appendChild($table);
$panel->appendChild(hsprintf('<p class="phabricator-ui-example-note">%s</p>', pht('Use %s to render a pager element.', phutil_tag('tt', array(), 'AphrontPagerView'))));
$pager = new AphrontPagerView();
$pager->setPageSize($page_size);
$pager->setOffset($offset);
$pager->setCount($item_count);
$pager->setURI($request->getRequestURI(), 'offset');
$panel->appendChild($pager);
$panel->appendChild(hsprintf('<p class="phabricator-ui-example-note">%s</p>', pht('You can show more or fewer pages of surrounding context.')));
$many_pages_pager = new AphrontPagerView();
$many_pages_pager->setPageSize($page_size);
$many_pages_pager->setOffset($offset);
$many_pages_pager->setCount($item_count);
$many_pages_pager->setURI($request->getRequestURI(), 'offset');
$many_pages_pager->setSurroundingPages(7);
$panel->appendChild($many_pages_pager);
$panel->appendChild(hsprintf('<p class="phabricator-ui-example-note">%s</p>', pht('When it is prohibitively expensive or complex to attain a complete ' . 'count of the items, you can select one extra item and set ' . '%s if it exists, creating an inexact pager.', phutil_tag('tt', array(), 'hasMorePages(true)'))));
$inexact_pager = new AphrontPagerView();
$inexact_pager->setPageSize($page_size);
$inexact_pager->setOffset($offset);
$inexact_pager->setHasMorePages($offset < $item_count - $page_size);
$inexact_pager->setURI($request->getRequestURI(), 'offset');
$panel->appendChild($inexact_pager);
return $panel;
}
