From aa2edcf52ee7438876d826283274bf7e271fad4a Mon Sep 17 00:00:00 2001
From: xue <>
Date: Thu, 17 Nov 2005 15:28:20 +0000
Subject: Modified how errors are handled.

---
 framework/Exceptions/TErrorHandler.php | 62 ++++++++++++++++++++++++++++------
 1 file changed, 51 insertions(+), 11 deletions(-)

(limited to 'framework/Exceptions/TErrorHandler.php')

diff --git a/framework/Exceptions/TErrorHandler.php b/framework/Exceptions/TErrorHandler.php
index f88396ce..47feb54c 100644
--- a/framework/Exceptions/TErrorHandler.php
+++ b/framework/Exceptions/TErrorHandler.php
@@ -1,26 +1,23 @@
 <?php
 
-class TErrorHandler extends TComponent implements IErrorHandler
+class TErrorHandler extends TComponent implements IModule
 {
 	/**
 	 * @var string module ID
 	 */
 	private $_id;
-	/**
-	 * @var boolean whether the module is initialized
-	 */
-	private $_initialized=false;
+	private $_application;
 
 	/**
 	 * Initializes the module.
 	 * This method is required by IModule and is invoked by application.
-	 * @param IApplication application
+	 * @param TApplication application
 	 * @param TXmlElement module configuration
 	 */
 	public function init($application,$config)
 	{
-		$application->attachEventHandler('Error',array($this,'handle'));
-		$this->_initialized=true;
+		$this->_application=$application;
+		$application->attachEventHandler('Error',array($this,'handleError'));
 		$application->setErrorHandler($this);
 	}
 
@@ -40,9 +37,52 @@ class TErrorHandler extends TComponent implements IErrorHandler
 		$this->_id=$value;
 	}
 
-	public function handle($sender,$param)
-	{ echo '...........................';
-		echo $param;
+	public function handleError($sender,$param)
+	{
+		$type='Unhandled Exception';
+		$this->displayException($param,$type);
+	}
+
+	protected function displayException($exception,$type)
+	{
+		$lines=file($exception->getFile());
+		$errorLine=$exception->getLine();
+		$beginLine=$errorLine-9>=0?$errorLine-9:0;
+		$endLine=$errorLine+8<=count($lines)?$errorLine+8:count($lines);
+		$source='';
+		for($i=$beginLine;$i<$endLine;++$i)
+		{
+			if($i===$errorLine-1)
+			{
+				$line=highlight_string(sprintf("Line %4d: %s",$i+1,$lines[$i]),true);
+				$source.="<div style=\"background-color: #ffeeee\">".$line."</div>";
+			}
+			else
+				$source.=highlight_string(sprintf("Line %4d: %s",$i+1,$lines[$i]),true);
+		}
+		$fields=array(
+			'%%ErrorType%%',
+			'%%ErrorMessage%%',
+			'%%SourceFile%%',
+			'%%SourceCode%%',
+			'%%StackTrace%%',
+			'%%Version%%'
+		);
+		$values=array(
+			get_class($exception),
+			htmlspecialchars($exception->getMessage()),
+			htmlspecialchars($exception->getFile()).' ('.$exception->getLine().')',
+			$source,
+			htmlspecialchars($exception->getTraceAsString()),
+			$_SERVER['SERVER_SOFTWARE'].' <a href="http://www.pradosoft.com/">PRADO</a>/'.Prado::getVersion()
+		);
+		$languages=Prado::getUserLanguages();
+		$errorFile=dirname(__FILE__).'/error.'.$languages[0];
+		if(!is_file($errorFile))
+			$errorFile=dirname(__FILE__).'/error.en';
+		if(($content=@file_get_contents($errorFile))===false)
+			die("Unable to open error template file '$errorFile'.");
+		echo str_replace($fields,$values,$content);
 	}
 }
 
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