<?php /** * TJavascriptLogger class file. * * @author Wei Zhuo <weizhuo[at]gmail[dot]com> * @link http://www.pradosoft.com/ * @copyright Copyright © 2005-2013 PradoSoft * @license http://www.pradosoft.com/license/ * @version $Id: TJavascriptLogger.php 3245 2013-01-07 20:23:32Z ctrlaltca $ * @package System.Web.UI.WebControls */ /** * TJavascriptLogger class. * * Provides logging for client-side javascript. Example: template code * <code><com:TJavascriptLogger /></code> * * Client-side javascript code to log info, error, warn, debug * <code>Logger.warn('A warning'); * Logger.info('something happend'); * </code> * * To see the logger and console, press ALT-D (or CTRL-D on OS X). * More information on the logger can be found at * http://web.archive.org/web/20060512041505/gleepglop.com/javascripts/logger/ * * @author Wei Zhuo<weizhuo[at]gmail[dot]com> * @version $Id: TJavascriptLogger.php 3245 2013-01-07 20:23:32Z ctrlaltca $ * @package System.Web.UI.WebControls * @since 3.0 */ class TJavascriptLogger extends TWebControl { private static $_keyCodes = array( '0'=>48, '1'=>49, '2'=>50, '3'=>51, '4'=>52, '5'=>53, '6'=>54, '7'=>55, '8'=>56, '9'=>57, 'a'=>65, 'b'=>66, 'c'=>67, 'd'=>68, 'e'=>69, 'f'=>70, 'g'=>71, 'h'=>72, 'i'=>73, 'j'=>74, 'k'=>75, 'l'=>76, 'm'=>77, 'n'=>78, 'o'=>79, 'p'=>80, 'q'=>81, 'r'=>82, 's'=>83, 't'=>84, 'u'=>85, 'v'=>86, 'w'=>87, 'x'=>88, 'y'=>89, 'z'=>90); /** * @return string tag name of the panel */ protected function getTagName() { return 'div'; } /** * @param string keyboard key for toggling the console, default is J. */ public function setToggleKey($value) { $this->setViewState('ToggleKey', $value, 'j'); } /** * @return string keyboard key for toggling the console. */ public function getToggleKey() { return $this->getViewState('ToggleKey', 'j'); } /** * Registers the required logger javascript. * @param TEventParameter event parameter */ public function onPreRender($param) { $key = strtolower($this->getToggleKey()); $code = isset(self::$_keyCodes[$key]) ? self::$_keyCodes[$key] : 74; $js = "var logConsole; Event.OnLoad(function() { logConsole = new LogConsole($code)}); "; $cs = $this->getPage()->getClientScript(); $cs->registerBeginScript($this->getClientID(),$js); $cs->registerPradoScript('logger'); } /** * Register the required javascript libraries and * display some general usage information. * @param THtmlWriter the writer used for the rendering purpose */ public function renderContents($writer) { $code = strtoupper($this->getToggleKey()); $info = '(<a href="http://web.archive.org/web/20060512041505/gleepglop.com/javascripts/logger/" target="_blank">more info</a>).'; $link = '<a href="javascript:if(logConsole)logConsole.toggle()">toggle the javascript log console.</a>'; $usage = 'Press ALT-'.$code.' (Or CTRL-'.$code.' on OS X) to'; $writer->write("{$usage} {$link} {$info}"); } }