/**
* Display a page with results of plugin uninstallation and inform about the need to remove plugin files manually.
*
* @param plugin_manager $pluginman
* @param plugin_info $pluginfo
* @param progress_trace_buffer $progress
* @return string
*/
public function plugin_uninstall_results_page(plugin_manager $pluginman, plugininfo_base $pluginfo, progress_trace_buffer $progress)
{
$output = '';
$pluginname = $pluginman->plugin_name($pluginfo->component);
$output .= $this->output->header();
$output .= $this->output->heading(get_string('uninstalling', 'core_plugin', array('name' => $pluginname)));
$output .= $this->output->box($progress->get_buffer(), 'generalbox uninstallresultmessage');
$output .= $this->output->box(get_string('uninstalldelete', 'core_plugin', array('name' => $pluginname, 'rootdir' => $pluginfo->rootdir)), 'generalbox uninstalldelete');
$output .= $this->output->continue_button($this->page->url);
$output .= $this->output->footer();
return $output;
}