Subversion Repositories Applications.papyrus

<?php

//=======================================================================

// File:	JPGRAPH_ERRHANDLER.PHP

// Description:	Error handler class together with handling of localized

//		error messages. All localized error messages are stored

//		in a separate file under the "lang/" subdirectory.

// Created: 	2006-09-24

// Ver:		$Id: jpgraph_errhandler.inc.php 770 2006-09-24 20:19:11Z ljp $

//

// Copyright 2006 (c) Aditus Consulting. All rights reserved.

//========================================================================

GLOBAL $__jpg_err_locale ;

$__jpg_err_locale = DEFAULT_ERR_LOCALE;

class ErrMsgText {

    private $lt=NULL;

    function ErrMsgText() {

	GLOBAL $__jpg_err_locale;

	$file = 'lang/'.$__jpg_err_locale.'.inc.php';

	// If the chosen locale doesn't exist try english

	if( !file_exists(dirname(__FILE__).'/'.$file) ) {

	    $__jpg_err_locale = 'en';

	}

	$file = 'lang/'.$__jpg_err_locale.'.inc.php';

	if( !file_exists(dirname(__FILE__).'/'.$file) ) {

	    die('Internal error: Chosen locale file for error messages does not exist.');

	}

	require_once($file);

	$this->lt = $_jpg_messages;

    }

    function Get($errnbr,$a1=null,$a2=null,$a3=null,$a4=null,$a5=null) {

	GLOBAL $__jpg_err_locale;

	if( !isset($this->lt[$errnbr]) ) {

	    return 'Internal error: The specified error message ('.$errnbr.') does not exist in the chosen locale ('.$__jpg_err_locale.')';

	}

	$ea = $this->lt[$errnbr];

	$j=0;

	if( $a1 !== null ) {

	    $argv[$j++] = $a1;

	    if( $a2 !== null ) {

		$argv[$j++] = $a2;

		if( $a3 !== null ) {

		    $argv[$j++] = $a3;

		    if( $a4 !== null ) {

			$argv[$j++] = $a4;

			if( $a5 !== null ) {

			    $argv[$j++] = $a5;

			}

		    }

		}

	    }

	}

	$numargs = $j;

	if( $ea[1] != $numargs ) {

	    // Error message argument count do not match.

	    // Just return the error message without arguments.

	    return $ea[0];

	}

	switch( $numargs ) {

	    case 1:

		$msg = sprintf($ea[0],$argv[0]);

		break;

	    case 2:

		$msg = sprintf($ea[0],$argv[0],$argv[1]);

		break;

	    case 3:

		$msg = sprintf($ea[0],$argv[0],$argv[1],$argv[2]);

		break;

	    case 4:

		$msg = sprintf($ea[0],$argv[0],$argv[1],$argv[2],$argv[3]);

		break;

	    case 5:

		$msg = sprintf($ea[0],$argv[0],$argv[1],$argv[2],$argv[3],$argv[4]);

		break;

	    case 0:

	    default:

		$msg = sprintf($ea[0]);

		break;

	}

	return $msg;

    }

}

//

// A wrapper class that is used to access the specified error object

// (to hide the global error parameter and avoid having a GLOBAL directive

// in all methods.

//

class JpGraphError {

    private static $__jpg_err;

    public static function Install($aErrObject) {

	self::$__jpg_err = new $aErrObject;

    }

    public static function Raise($aMsg,$aHalt=true){

	self::$__jpg_err->Raise($aMsg,$aHalt);

    }

    public static function SetErrLocale($aLoc) {

	GLOBAL $__jpg_err_locale ;

	$__jpg_err_locale = $aLoc;

    }

    public static function RaiseL($errnbr,$a1=null,$a2=null,$a3=null,$a4=null,$a5=null) {

	$t = new ErrMsgText();

	$msg = $t->Get($errnbr,$a1,$a2,$a3,$a4,$a5);

	self::$__jpg_err->Raise($msg);

    }

}

//

// First of all set up a default error handler

//

//=============================================================

// The default trivial text error handler.

//=============================================================

class JpGraphErrObject {

    protected $iTitle = "JpGraph Error";

    protected $iDest = false;

    function JpGraphErrObject() {

	// Empty. Reserved for future use

    }

    function SetTitle($aTitle) {

	$this->iTitle = $aTitle;

    }

    function SetStrokeDest($aDest) {

	$this->iDest = $aDest;

    }

    // If aHalt is true then execution can't continue. Typical used for fatal errors

    function Raise($aMsg,$aHalt=true) {

	$aMsg = $this->iTitle.' '.$aMsg;

	if ($this->iDest) {

	    $f = @fopen($this->iDest,'a');

	    if( $f ) {

		@fwrite($f,$aMsg);

		@fclose($f);

	    }

	}

	else {

	    echo $aMsg;

	}

	if( $aHalt )

	    die();

    }

}

//==============================================================

// An image based error handler

//==============================================================

class JpGraphErrObjectImg extends JpGraphErrObject {

    function Raise($aMsg,$aHalt=true) {

	$img_iconerror =

	    'iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAMAAAC7IEhfAAAAaV'.

	    'BMVEX//////2Xy8mLl5V/Z2VvMzFi/v1WyslKlpU+ZmUyMjEh/'.

	    'f0VyckJlZT9YWDxMTDjAwMDy8sLl5bnY2K/MzKW/v5yyspKlpY'.

	    'iYmH+MjHY/PzV/f2xycmJlZVlZWU9MTEXY2Ms/PzwyMjLFTjea'.

	    'AAAAAXRSTlMAQObYZgAAAAFiS0dEAIgFHUgAAAAJcEhZcwAACx'.

	    'IAAAsSAdLdfvwAAAAHdElNRQfTBgISOCqusfs5AAABLUlEQVR4'.

	    '2tWV3XKCMBBGWfkranCIVClKLd/7P2Q3QsgCxjDTq+6FE2cPH+'.

	    'xJ0Ogn2lQbsT+Wrs+buAZAV4W5T6Bs0YXBBwpKgEuIu+JERAX6'.

	    'wM2rHjmDdEITmsQEEmWADgZm6rAjhXsoMGY9B/NZBwJzBvn+e3'.

	    'wHntCAJdGu9SviwIwoZVDxPB9+Rc0TSEbQr0j3SA1gwdSn6Db0'.

	    '6Tm1KfV6yzWGQO7zdpvyKLKBDmRFjzeB3LYgK7r6A/noDAfjtS'.

	    'IXaIzbJSv6WgUebTMV4EoRB8a2mQiQjgtF91HdKDKZ1gtFtQjk'.

	    'YcWaR5OKOhkYt+ZsTFdJRfPAApOpQYJTNHvCRSJR6SJngQadfc'.

	    'vd69OLMddVOPCGVnmrFD8bVYd3JXfxXPtLR/+mtv59/ALWiiMx'.

	    'qL72fwAAAABJRU5ErkJggg==' ;

	if( function_exists("imagetypes") )

	    $supported = imagetypes();

	else

	    $supported = 0;

	if( !function_exists('imagecreatefromstring') )

	    $supported = 0;

	if( ob_get_length() || headers_sent() || !($supported & IMG_PNG) ) {

	    // Special case for headers already sent or that the installation doesn't support

	    // the PNG format (which the error icon is encoded in).

	    // Dont return an image since it can't be displayed

	    die($this->iTitle.' '.$aMsg);

	}

	$aMsg = wordwrap($aMsg,55);

	$lines = substr_count($aMsg,"\n");

	// Create the error icon GD

	$erricon = Image::CreateFromString(base64_decode($img_iconerror));

	// Create an image that contains the error text.

	$w=400;

	$h=100 + 15*max(0,$lines-3);

	$img = new Image($w,$h);

	// Drop shadow

	$img->SetColor("gray");

	$img->FilledRectangle(5,5,$w-1,$h-1,10);

	$img->SetColor("gray:0.7");

	$img->FilledRectangle(5,5,$w-3,$h-3,10);

	// Window background

	$img->SetColor("lightblue");

	$img->FilledRectangle(1,1,$w-5,$h-5);

	$img->CopyCanvasH($img->img,$erricon,5,30,0,0,40,40);

	// Window border

	$img->SetColor("black");

	$img->Rectangle(1,1,$w-5,$h-5);

	$img->Rectangle(0,0,$w-4,$h-4);

	// Window top row

	$img->SetColor("darkred");

	for($y=3; $y < 18; $y += 2 )

	    $img->Line(1,$y,$w-6,$y);

	// "White shadow"

	$img->SetColor("white");

	// Left window edge

	$img->Line(2,2,2,$h-5);

	$img->Line(2,2,$w-6,2);

	// "Gray button shadow"

	$img->SetColor("darkgray");

	// Gray window shadow

	$img->Line(2,$h-6,$w-5,$h-6);

	$img->Line(3,$h-7,$w-5,$h-7);

	// Window title

	$m = floor($w/2-5);

	$l = 100;

	$img->SetColor("lightgray:1.3");

	$img->FilledRectangle($m-$l,2,$m+$l,16);

	// Stroke text

	$img->SetColor("darkred");

	$img->SetFont(FF_FONT2,FS_BOLD);

	$img->StrokeText($m-50,15,$this->iTitle);

	$img->SetColor("black");

	$img->SetFont(FF_FONT1,FS_NORMAL);

	$txt = new Text($aMsg,52,25);

	$txt->Align("left","top");

	$txt->Stroke($img);

	if ($this->iDest) {

           $img->Stream($this->iDest);

	} else {

	    $img->Headers();

	    $img->Stream();

	}

	if( $aHalt )

	    die();

    }

}

// Install the default error handler

if( USE_IMAGE_ERROR_HANDLER ) {

    JpGraphError::Install("JpGraphErrObjectImg");

}

else {

    JpGraphError::Install("JpGraphErrObject");

}

?>