* @since Log 1.7.0
* @package Log
*
* @example win.php Using the window handler.
*/
class Log_win extends Log
{
/**
* The name of the output window.
* @var string
* @access private
*/
var $_name = 'LogWindow';
/**
* The title of the output window.
* @var string
* @access private
*/
var $_title = 'Log Output Window';
/**
* Mapping of log priorities to styles.
* @var array
* @access private
*/
var $_styles = array(
PEAR_LOG_EMERG => 'color: red;',
PEAR_LOG_ALERT => 'color: orange;',
PEAR_LOG_CRIT => 'color: yellow;',
PEAR_LOG_ERR => 'color: green;',
PEAR_LOG_WARNING => 'color: blue;',
PEAR_LOG_NOTICE => 'color: indigo;',
PEAR_LOG_INFO => 'color: violet;',
PEAR_LOG_DEBUG => 'color: black;'
);
/**
* String buffer that holds line that are pending output.
* @var array
* @access private
*/
var $_buffer = array();
/**
* Constructs a new Log_win object.
*
* @param string $name Ignored.
* @param string $ident The identity string.
* @param array $conf The configuration array.
* @param int $level Log messages up to and including this level.
* @access public
*/
function Log_win($name, $ident = '', $conf = array(),
$level = PEAR_LOG_DEBUG)
{
$this->_id = md5(microtime());
$this->_name = $name;
$this->_ident = $ident;
$this->_mask = Log::UPTO($level);
if (isset($conf['title'])) {
$this->_title = $conf['title'];
}
if (isset($conf['styles']) && is_array($conf['styles'])) {
$this->_styles = $conf['styles'];
}
if (isset($conf['colors']) && is_array($conf['colors'])) {
foreach ($conf['colors'] as $level => $color) {
$this->_styles[$level] .= "color: $color;";
}
}
register_shutdown_function(array(&$this, '_Log_win'));
}
/**
* Destructor
*/
function _Log_win()
{
if ($this->_opened || (count($this->_buffer) > 0)) {
$this->close();
}
}
/**
* The first time open() is called, it will open a new browser window and
* prepare it for output.
*
* This is implicitly called by log(), if necessary.
*
* @access public
*/
function open()
{
if (!$this->_opened) {
$win = $this->_name;
$styles = $this->_styles;
if (!empty($this->_ident)) {
$identHeader = "$win.document.writeln('| Ident | ')";
} else {
$identHeader = '';
}
echo <<< EOT
EOT;
$this->_opened = true;
}
return $this->_opened;
}
/**
* Closes the output stream if it is open. If there are still pending
* lines in the output buffer, the output window will be opened so that
* the buffer can be drained.
*
* @access public
*/
function close()
{
/*
* If there are still lines waiting to be written, open the output
* window so that we can drain the buffer.
*/
if (!$this->_opened && (count($this->_buffer) > 0)) {
$this->open();
}
if ($this->_opened) {
$this->_writeln('');
$this->_writeln('