* @since 2.0
 */
class LogPanel extends Panel
{
	public function getName()
	{
		return 'Logs';
	}
	public function getSummary()
	{
		$output = array();
		$errorCount = count(Target::filterMessages($this->data['messages'], Logger::LEVEL_ERROR));
		if ($errorCount) {
			$output[] = '' . $errorCount . ' ' . ($errorCount > 1 ? 'errors' : 'error');
		}
		$warningCount = count(Target::filterMessages($this->data['messages'], Logger::LEVEL_WARNING));
		if ($warningCount) {
			$output[] = '' . $warningCount . ' ' . ($warningCount > 1 ? 'warnings' : 'warning');
		}
		if (!empty($output)) {
			$log = implode(', ', $output);
			$url = $this->getUrl();
			return <<
	$log
EOD;
		} else {
			return '';
		}
	}
	public function getDetail()
	{
		$rows = array();
		foreach ($this->data['messages'] as $log) {
			$time = date('H:i:s.', $log[3]) . sprintf('%03d', (int)(($log[3] - (int)$log[3]) * 1000));
			$level = Logger::getLevelName($log[1]);
			$message = Html::encode(wordwrap($log[0]));
			if ($log[1] == Logger::LEVEL_ERROR) {
				$class = ' class="error"';
			} elseif ($log[1] == Logger::LEVEL_WARNING) {
				$class = ' class="warning"';
			} elseif ($log[1] == Logger::LEVEL_INFO) {
				$class = ' class="info"';
			} else {
				$class = '';
			}
			$rows[] = "| $time | $level | {$log[2]} | $message | 
";
		}
		$rows = implode("\n", $rows);
		return <<Log Messages
	| Time | 
	Level | 
	Category | 
	Message | 
$rows
EOD;
	}
	public function save()
	{
		$target = $this->module->logTarget;
		$messages = $target->filterMessages($target->messages, Logger::LEVEL_ERROR | Logger::LEVEL_INFO | Logger::LEVEL_WARNING | Logger::LEVEL_TRACE);
		return array(
			'messages' => $messages,
		);
	}
}