Create PDF certificates. More...

Collaboration diagram for ilCertificate:

Public Member Functions
	__construct (ilCertificateAdapter $adapter)
	ilCertificate constructor More...

	formatNumberString ($a_number)

	getBackgroundImagePath ($asRelative=false)
	Returns the filesystem path of the background image. More...

	getBackgroundImageName ()
	Returns the filename of the background image. More...

	getBackgroundImageThumbPath ()
	Returns the filesystem path of the background image thumbnail. More...

	getBackgroundImageTempfilePath ()
	Returns the filesystem path of the background image temp file during upload. More...

	getXSLPath ()
	Returns the filesystem path of the XSL-FO file. More...

	getXSLName ()
	Returns the filename of the XSL-FO file. More...

	getBackgroundImagePathWeb ()
	Returns the web path of the background image. More...

	getBackgroundImageThumbPathWeb ()
	Returns the web path of the background image thumbnail. More...

	deleteBackgroundImage ()
	Deletes the background image of a certificate. More...

	cloneCertificate ($newObject)
	Clone the certificate for another test object. More...

	deleteCertificate ()
	Deletes the certificate and all it's data. More...

	getFormFieldsFromFO ()
	Convert the XSL-FO to the certificate text and the form settings using XSL transformation. More...

	processXHTML2FO ($form_data, $for_export=FALSE)
	Convert the certificate text to XSL-FO using XSL transformation. More...

	outCertificate ($params, $deliver=TRUE)
	Creates a PDF certificate. More...

	createPreview ()
	Creates a PDF preview of the XSL-FO certificate. More...

	saveCertificate ($xslfo, $filename="")
	Saves the XSL-FO code to a file. More...

	uploadBackgroundImage ($image_tempfilename)
	Uploads a background image for the certificate. More...

	hasBackgroundImage ()
	Checks for the background image of the certificate. More...

	isComplete ()
	Checks the status of the certificate. More...

	getPageFormats ()
	Retrieves predefined page formats. More...

	deliverExportFileXML ()
	Builds an export file in ZIP format and delivers it. More...

	importCertificate ($zipfile, $filename)
	Reads an import ZIP file and creates a certificate of it. More...

	getAdapter ()
	Gets the adapter. More...

	setAdapter ($adapter)
	Sets the adapter. More...

	createArchiveDirectory ()

	addPDFtoArchiveDirectory ($pdfdata, $dir, $filename)
	Adds PDF data as a file to a given directory. More...

	zipCertificatesInArchiveDirectory ($dir, $deliver=TRUE)
	Create a ZIP file from a directory with certificates. More...

	readActive ()

	writeActive ($a_value)

	getExchangeContent ()

	outCertificateWithGivenContentAndVariables ($content, array $insert_tags)

Static Public Member Functions
static	_getXSLName ()
	Returns the filename of the XSL-FO file. More...

static	_isComplete ($adapter)
	Checks the status of the certificate. More...

static	isActive ()

static	isObjectActive ($a_obj_id)

static	getCustomCertificateFields ()
	Get custom certificate fields. More...

Protected Attributes
	$ctrl

	$tree

	$ilias

	$lng

	$adapter

	$settings

	$log

	$db

Static Protected Attributes
static	$is_active

Private Member Functions
	exchangeCertificateVariables ($certificate_text, $insert_tags=array())
	Exchanges the variables in the certificate text with given values. More...

Detailed Description

Create PDF certificates.

Base class to create PDF certificates using XML-FO XML transformations

Author: Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m

Version: $Id$

Definition at line 15 of file class.ilCertificate.php.

Constructor & Destructor Documentation

◆ __construct()

ilCertificate::__construct ( ilCertificateAdapter $adapter )

ilCertificate constructor

Parameters

ilCertificateAdapter $adapter The certificate adapter needed to construct the certificate

Definition at line 76 of file class.ilCertificate.php.

        {
                global $DIC;
 
                $this->lng      = $DIC['lng'];
                $this->ctrl     = $DIC['ilCtrl'];
                $this->ilias    = $DIC['ilias'];
                $this->tree     = $DIC['tree'];
                $this->settings = $DIC['ilSetting'];
                $this->log      = $DIC['ilLog'];
                $this->db       = $DIC['ilDB'];
 
                $this->adapter = $adapter;
        }

References $adapter, $DIC, and settings().

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Member Function Documentation

◆ _getXSLName()

static ilCertificate::_getXSLName ( )

static

Returns the filename of the XSL-FO file.

Returns: string The filename of the XSL-FO file

Definition at line 174 of file class.ilCertificate.php.

        {
                return "certificate.xml";
        }

Referenced by _isComplete().

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◆ _isComplete()

static ilCertificate::_isComplete ( $adapter )

static

Checks the status of the certificate.

Parameters

object $adapter The certificate adapter

Returns: boolean Returns TRUE if the certificate is complete, FALSE otherwise

Definition at line 678 of file class.ilCertificate.php.

        {
                if (is_object($adapter) && method_exists($adapter, "getCertificatePath"))
                {
                        if(self::isActive())
                        {
                                $obj_id = $adapter->getCertificateID();
                                if($obj_id && !self::isObjectActive($obj_id))
                                {
                                        return FALSE;
                                }
                        
                                $certificatepath = $adapter->getCertificatePath();
                                if (file_exists($certificatepath))
                                {
                                        $xslpath = $adapter->getCertificatePath() . ilCertificate::_getXSLName();
                                        if (file_exists($xslpath) && (filesize($xslpath) > 0))
                                        {
                                                return TRUE;
                                        }
                                }
                        }
                }
                return FALSE;
        }

References $adapter, and _getXSLName().

Referenced by ilCourseVerificationTableGUI\getItems(), ilExerciseVerificationTableGUI\getItems(), ilSCORMVerificationTableGUI\getItems(), and ilObjExerciseGUI\showOverviewObject().

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◆ addPDFtoArchiveDirectory()

ilCertificate::addPDFtoArchiveDirectory	(	$pdfdata,
		$dir,
		$filename
	)

Adds PDF data as a file to a given directory.

Parameters

binary	$pdfdata	Binary PDF data
string	$dir	Directory to contain the PDF data
string	$filename	The filename to save the PDF data

Definition at line 917 of file class.ilCertificate.php.

        {
                $fh = fopen($dir . $filename, "wb");
                fwrite($fh, $pdfdata);
                fclose($fh);
        }

◆ cloneCertificate()

ilCertificate::cloneCertificate ( $newObject )

Clone the certificate for another test object.

Parameters

$newObject The new certificate object

Definition at line 232 of file class.ilCertificate.php.

        {
                $xsl = $this->getXSLPath();
                $bgimage = $this->getBackgroundImagePath();
                $bgimagethumb = $this->getBackgroundImageThumbPath();
                $certificatepath = $this->getAdapter()->getCertificatePath();
                
                $new_xsl = $newObject->getXSLPath();
                $new_bgimage = $newObject->getBackgroundImagePath();
                $new_bgimagethumb = $newObject->getBackgroundImageThumbPath();
                $new_certificatepath = $newObject->getAdapter()->getCertificatePath();
                
                if (@file_exists($xsl))
                {
                        ilUtil::makeDirParents($new_certificatepath);
                        @copy($xsl, $new_xsl);
                        if (@file_exists($bgimage)) @copy($bgimage, $new_bgimage);
                        if (@file_exists($bgimagethumb)) @copy($bgimagethumb, $new_bgimagethumb);
                }
                
                // #10271
                if($this->readActive())
                {
                        $newObject->writeActive(true);
                }
        }

References getAdapter(), getBackgroundImagePath(), getBackgroundImageThumbPath(), getXSLPath(), ilUtil\makeDirParents(), and readActive().

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◆ createArchiveDirectory()

ilCertificate::createArchiveDirectory ( )

Definition at line 902 of file class.ilCertificate.php.

        {
                $dir = $this->getAdapter()->getCertificatePath() . time() . "__" . IL_INST_ID . "__" . $this->getAdapter()->getAdapterType() . "__" . $this->getAdapter()->getCertificateId() . "__certificate/";
                include_once "./Services/Utilities/classes/class.ilUtil.php";
                ilUtil::makeDirParents($dir);
                return $dir;
        }

Referenced by deliverExportFileXML(), and importCertificate().

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◆ createPreview()

ilCertificate::createPreview ( )

Creates a PDF preview of the XSL-FO certificate.

Definition at line 534 of file class.ilCertificate.php.

        {
                ilDatePresentation::setUseRelativeDates(false);
 
                $xslfo = file_get_contents($this->getXSLPath());
 
        // render tex as fo graphics
                require_once('Services/MathJax/classes/class.ilMathJax.php');
                $xslfo = ilMathJax::getInstance()
                        ->init(ilMathJax::PURPOSE_PDF)
                        ->setRendering(ilMathJax::RENDER_PNG_AS_FO_FILE)
                        ->insertLatexImages($xslfo);
 
                include_once './Services/WebServices/RPC/classes/class.ilRpcClientFactory.php';
                try
                {
                        $pdf_base64 = ilRpcClientFactory::factory('RPCTransformationHandler')->ilFO2PDF(
                                $this->exchangeCertificateVariables($xslfo));
                        ilUtil::deliverData($pdf_base64->scalar, $this->getAdapter()->getCertificateFilename(), "application/pdf");
 
                }
                catch(Exception $e)
                {
                        $this->log->write(__METHOD__.': '.$e->getMessage());
                        return false;
                }
 
                ilDatePresentation::setUseRelativeDates(true);
                
        }

References ilUtil\deliverData(), exchangeCertificateVariables(), ilRpcClientFactory\factory(), ilMathJax\getInstance(), getXSLPath(), ilMathJax\PURPOSE_PDF, ilMathJax\RENDER_PNG_AS_FO_FILE, and ilDatePresentation\setUseRelativeDates().

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◆ deleteBackgroundImage()

ilCertificate::deleteBackgroundImage ( )

Deletes the background image of a certificate.

Returns: boolean TRUE if the process succeeds

Definition at line 209 of file class.ilCertificate.php.

        {
                $result = TRUE;
                if (file_exists($this->getBackgroundImageThumbPath()))
                {
                        $result = $result & unlink($this->getBackgroundImageThumbPath());
                }
                if (file_exists($this->getBackgroundImagePath()))
                {
                        $result = $result & unlink($this->getBackgroundImagePath());
                }
                if (file_exists($this->getBackgroundImageTempfilePath()))
                {
                        $result = $result & unlink($this->getBackgroundImageTempfilePath());
                }
                return $result;
        }

References $result, getBackgroundImagePath(), getBackgroundImageTempfilePath(), and getBackgroundImageThumbPath().

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◆ deleteCertificate()

ilCertificate::deleteCertificate ( )

Deletes the certificate and all it's data.

@access public

Definition at line 264 of file class.ilCertificate.php.

        {
                if (@file_exists($this->getAdapter()->getCertificatePath()))
                {
                        include_once "./Services/Utilities/classes/class.ilUtil.php";
                        ilUtil::delDir($this->getAdapter()->getCertificatePath());
                        $this->getAdapter()->deleteCertificate();
                }
                $this->writeActive(false);
        }

References ilUtil\delDir(), getAdapter(), and writeActive().

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◆ deliverExportFileXML()

ilCertificate::deliverExportFileXML ( )

Builds an export file in ZIP format and delivers it.

Definition at line 760 of file class.ilCertificate.php.

        {
                include_once "./Services/Utilities/classes/class.ilUtil.php";
                $exportpath = $this->createArchiveDirectory();
                ilUtil::makeDir($exportpath);
                $xsl = file_get_contents($this->getXSLPath());
                $xslexport = str_replace($this->getAdapter()->getCertificatePath(), "", $xsl);
                // save export xsl file
                $this->saveCertificate($xslexport, $exportpath . $this->getXSLName());
                // save background image
                if ($this->hasBackgroundImage())
                {
                        copy($this->getBackgroundImagePath(), $exportpath . $this->getBackgroundImageName());
                }
                else
                {
                        include_once "./Services/Certificate/classes/class.ilObjCertificateSettingsAccess.php";
                        if (ilObjCertificateSettingsAccess::hasBackgroundImage())
                        {
                                copy(ilObjCertificateSettingsAccess::getBackgroundImagePath(), $exportpath . ilObjCertificateSettingsAccess::getBackgroundImageName());
                        }
                }
                $zipfile = time() . "__" . IL_INST_ID . "__" . $this->getAdapter()->getAdapterType() . "__" . $this->getAdapter()->getCertificateId() . "__certificate.zip";
                ilUtil::zip($exportpath, $this->getAdapter()->getCertificatePath() . $zipfile);
                ilUtil::delDir($exportpath);
                ilUtil::deliverFile($this->getAdapter()->getCertificatePath() . $zipfile, $zipfile, "application/zip");
        }

References createArchiveDirectory(), ilUtil\delDir(), ilUtil\deliverFile(), getAdapter(), getBackgroundImageName(), ilObjCertificateSettingsAccess\getBackgroundImageName(), getBackgroundImagePath(), ilObjCertificateSettingsAccess\getBackgroundImagePath(), getXSLName(), getXSLPath(), hasBackgroundImage(), ilObjCertificateSettingsAccess\hasBackgroundImage(), ilUtil\makeDir(), saveCertificate(), and ilUtil\zip().

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◆ exchangeCertificateVariables()

ilCertificate::exchangeCertificateVariables	(	$certificate_text,
		$insert_tags = `array()`
	)

private

Exchanges the variables in the certificate text with given values.

Parameters

string	$certificate_text	The XSL-FO certificate text
array	$insert_tags	An associative array containing the variables and the values to replace

Returns: string XSL-FO code

Definition at line 458 of file class.ilCertificate.php.

        {
                if (count($insert_tags) == 0)
                {
                        $insert_tags = $this->getAdapter()->getCertificateVariablesForPreview();
                        foreach (self::getCustomCertificateFields() as $k => $f)
                        {
                                $insert_tags[$f["ph"]] = ilUtil::prepareFormOutput($f["name"]);
                        }
                }
                foreach ($insert_tags as $var => $value)
                {
                        $certificate_text = str_replace($var, $value, $certificate_text);
                }
 
                $certificate_text = str_replace('[CLIENT_WEB_DIR]', CLIENT_WEB_DIR, $certificate_text);
 
                return $certificate_text;
        }

References getAdapter(), and ilUtil\prepareFormOutput().

Referenced by createPreview(), and outCertificate().

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◆ formatNumberString()

ilCertificate::formatNumberString ( $a_number )

Parameters

string $a_number

Returns: float

Definition at line 95 of file class.ilCertificate.php.

        {
                return str_replace(',', '.', $a_number);
        }

◆ getAdapter()

ilCertificate::getAdapter ( )

Gets the adapter.

Returns: object Adapter

Definition at line 878 of file class.ilCertificate.php.

        {
                return $this->adapter;
        }

References $adapter.

Referenced by cloneCertificate(), deleteCertificate(), deliverExportFileXML(), exchangeCertificateVariables(), getBackgroundImagePath(), getBackgroundImagePathWeb(), getBackgroundImageTempfilePath(), getBackgroundImageThumbPath(), getFormFieldsFromFO(), getXSLPath(), importCertificate(), isComplete(), outCertificate(), saveCertificate(), and uploadBackgroundImage().

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◆ getBackgroundImageName()

ilCertificate::getBackgroundImageName ( )

Returns the filename of the background image.

Returns: string The filename of the background image

Definition at line 124 of file class.ilCertificate.php.

        {
                return "background.jpg";
        }

Referenced by deliverExportFileXML(), getBackgroundImagePath(), getBackgroundImagePathWeb(), getBackgroundImageThumbPath(), and uploadBackgroundImage().

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◆ getBackgroundImagePath()

ilCertificate::getBackgroundImagePath ( $asRelative = false )

Returns the filesystem path of the background image.

Parameters

bool $asRelative

Returns: string The filesystem path of the background image

Definition at line 105 of file class.ilCertificate.php.

        {
                if($asRelative)
                {
                        return str_replace(
                                array(CLIENT_WEB_DIR, '//'),
                                array('[CLIENT_WEB_DIR]', '/'),
                                $this->getAdapter()->getCertificatePath() . $this->getBackgroundImageName()
                        );
                }
 
                return $this->getAdapter()->getCertificatePath() . $this->getBackgroundImageName();
        }

References getAdapter(), and getBackgroundImageName().

Referenced by cloneCertificate(), deleteBackgroundImage(), deliverExportFileXML(), hasBackgroundImage(), importCertificate(), processXHTML2FO(), and uploadBackgroundImage().

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◆ getBackgroundImagePathWeb()

ilCertificate::getBackgroundImagePathWeb ( )

Returns the web path of the background image.

Returns: string The web path of the background image

Definition at line 184 of file class.ilCertificate.php.

        {
                // TODO: this is generic now -> provide better solution
                include_once "./Services/Utilities/classes/class.ilUtil.php";
                $webdir = $this->getAdapter()->getCertificatePath() . $this->getBackgroundImageName();
                return str_replace(ilUtil::removeTrailingPathSeparators(ILIAS_ABSOLUTE_PATH), ilUtil::removeTrailingPathSeparators(ILIAS_HTTP_PATH), $webdir);
        }

References getAdapter(), getBackgroundImageName(), and ilUtil\removeTrailingPathSeparators().

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◆ getBackgroundImageTempfilePath()

ilCertificate::getBackgroundImageTempfilePath ( )

Returns the filesystem path of the background image temp file during upload.

Returns: string The filesystem path of the background image temp file

Definition at line 144 of file class.ilCertificate.php.

        {
                return $this->getAdapter()->getCertificatePath() . "background_upload.tmp";
        }

References getAdapter().

Referenced by deleteBackgroundImage(), and uploadBackgroundImage().

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◆ getBackgroundImageThumbPath()

ilCertificate::getBackgroundImageThumbPath ( )

Returns the filesystem path of the background image thumbnail.

Returns: string The filesystem path of the background image thumbnail

Definition at line 134 of file class.ilCertificate.php.

        {
                return $this->getAdapter()->getCertificatePath() . $this->getBackgroundImageName() . ".thumb.jpg";
        }

References getAdapter(), and getBackgroundImageName().

Referenced by cloneCertificate(), deleteBackgroundImage(), getBackgroundImageThumbPathWeb(), importCertificate(), and uploadBackgroundImage().

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◆ getBackgroundImageThumbPathWeb()

ilCertificate::getBackgroundImageThumbPathWeb ( )

Returns the web path of the background image thumbnail.

Returns: string The web path of the background image thumbnail

Definition at line 197 of file class.ilCertificate.php.

        {
                // TODO: this is generic now -> provide better solution
                include_once "./Services/Utilities/classes/class.ilUtil.php";
                return str_replace(ilUtil::removeTrailingPathSeparators(ILIAS_ABSOLUTE_PATH), ilUtil::removeTrailingPathSeparators(ILIAS_HTTP_PATH), $this->getBackgroundImageThumbPath());
        }

References getBackgroundImageThumbPath(), and ilUtil\removeTrailingPathSeparators().

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◆ getCustomCertificateFields()

static ilCertificate::getCustomCertificateFields ( )

static

Get custom certificate fields.

Definition at line 1061 of file class.ilCertificate.php.

        {
                include_once("./Services/User/classes/class.ilUserDefinedFields.php");
                $user_field_definitions = ilUserDefinedFields::_getInstance();
                $fds = $user_field_definitions->getDefinitions();
                $fields = array();
                foreach ($fds as $f)
                {
                        if ($f["certificate"])
                        {
                                $fields[$f["field_id"]] = array("name" => $f["field_name"],
                                        "ph" => "[#".str_replace(" ", "_", strtoupper($f["field_name"]))."]");
                        }
                }
                
                return $fields;
        }

Referenced by ilCertificateGUI\certificateEditor().

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◆ getExchangeContent()

ilCertificate::getExchangeContent ( )

Returns: string

Definition at line 1082 of file class.ilCertificate.php.

        {
                if(!file_exists($this->getXSLPath()))
                {
                        return '';
                }
 
                $output           = '';
                $xsl_file_content = file_get_contents($this->getXSLPath());
                $xsl              = file_get_contents("./Services/Certificate/xml/fo2xhtml.xsl");
 
                if((strlen($xsl_file_content)) && (strlen($xsl)))
                {
                        $args   = array('/_xml' => $xsl_file_content, '/_xsl' => $xsl);
                        $xh     = xslt_create();
                        $output = xslt_process($xh, "arg:/_xml", "arg:/_xsl", NULL, $args, NULL);
                        xslt_error($xh);
                        xslt_free($xh);
                }
 
                $output = preg_replace("/<\?xml[^>]+?>/", "", $output);
                // dirty hack: the php xslt processing seems not to recognize the following
                // replacements, so we do it in the code as well
                $output = str_replace("&#xA0;", "<br />", $output);
                $output = str_replace("&#160;", "<br />", $output);
 
                return $output;
        }

◆ getFormFieldsFromFO()

ilCertificate::getFormFieldsFromFO ( )

Convert the XSL-FO to the certificate text and the form settings using XSL transformation.

Definition at line 278 of file class.ilCertificate.php.

        {
                if (@file_exists($this->getXSLPath()))
                {
                        $xslfo = file_get_contents($this->getXSLPath());
                }
                // retrieve form information (using a dirty way with regular expressions)
                $pagewidth = "21cm";
                if (preg_match("/page-width\=\"([^\"]+)\"/", $xslfo, $matches))
                {
                        $pagewidth = $matches[1];
                }
                $pageheight = "29.7cm";
                if (preg_match("/page-height\=\"([^\"]+)\"/", $xslfo, $matches))
                {
                        $pageheight = $matches[1];
                }
                $certificatesettings = new ilSetting("certificate");
                $pagesize = $certificatesettings->get("pageformat");;
                if (((strcmp($pageheight, "29.7cm") == 0) || (strcmp($pageheight, "297mm") == 0)) && ((strcmp($pagewidth, "21cm") == 0) || (strcmp($pagewidth, "210mm") == 0)))
                {
                        $pagesize = "a4";
                }
                else if (((strcmp($pagewidth, "29.7cm") == 0) || (strcmp($pagewidth, "297mm") == 0)) && ((strcmp($pageheight, "21cm") == 0) || (strcmp($pageheight, "210mm") == 0)))
                {
                        $pagesize = "a4landscape";
                }
                else if (((strcmp($pageheight, "21cm") == 0) || (strcmp($pageheight, "210mm") == 0)) && ((strcmp($pagewidth, "14.8cm") == 0) || (strcmp($pagewidth, "148mm") == 0)))
                {
                        $pagesize = "a5";
                }
                else if (((strcmp($pagewidth, "21cm") == 0) || (strcmp($pagewidth, "210mm") == 0)) && ((strcmp($pageheight, "14.8cm") == 0) || (strcmp($pageheight, "148mm") == 0)))
                {
                        $pagesize = "a5landscape";
                }
                else if (((strcmp($pageheight, "11in") == 0)) && ((strcmp($pagewidth, "8.5in") == 0)))
                {
                        $pagesize = "letter";
                }
                else if (((strcmp($pagewidth, "11in") == 0)) && ((strcmp($pageheight, "8.5in") == 0)))
                {
                        $pagesize = "letterlandscape";
                }
                else
                {
                        $pagesize = "custom";
                }
                if (!strlen($xslfo)) $pagesize = $certificatesettings->get("pageformat");;
                
                $marginbody_top = "0cm";
                $marginbody_right = "2cm";
                $marginbody_bottom = "0cm";
                $marginbody_left = "2cm";
                if(preg_match("/fo:flow[^>]*margin\=\"([^\"]+)\"/", $xslfo, $matches))
                {
                        // Backwards compatibility
                        $marginbody = $matches[1];
                        if (preg_match_all("/([^\s]+)/", $marginbody, $matches))
                        {
                                $marginbody_top = $matches[1][0];
                                $marginbody_right = $matches[1][1];
                                $marginbody_bottom = $matches[1][2];
                                $marginbody_left = $matches[1][3];
                        }
                }
                else if(preg_match("/fo:region-body[^>]*margin\=\"([^\"]+)\"/", $xslfo, $matches))
                {
                        $marginbody = $matches[1];
                        if (preg_match_all("/([^\s]+)/", $marginbody, $matches))
                        {
                                $marginbody_top = $matches[1][0];
                                $marginbody_right = $matches[1][1];
                                $marginbody_bottom = $matches[1][2];
                                $marginbody_left = $matches[1][3];
                        }
                }
 
                $xsl = file_get_contents("./Services/Certificate/xml/fo2xhtml.xsl");
                if ((strlen($xslfo)) && (strlen($xsl)))
                {
                        $args = array( '/_xml' => $xslfo, '/_xsl' => $xsl );
                        $xh = xslt_create();
                        $output = xslt_process($xh, "arg:/_xml", "arg:/_xsl", NULL, $args, NULL);
                        xslt_error($xh);
                        xslt_free($xh);
                }
 
                $output = preg_replace("/<\?xml[^>]+?>/", "", $output);
                // dirty hack: the php xslt processing seems not to recognize the following
                // replacements, so we do it in the code as well
                $output = str_replace("&#xA0;", "<br />", $output);
                $output = str_replace("&#160;", "<br />", $output);
                $form_fields = array(
                        "pageformat" => $pagesize,
                        "pagewidth" => $pagewidth,
                        "pageheight" => $pageheight,
                        "margin_body_top" => $marginbody_top,
                        "margin_body_right" => $marginbody_right,
                        "margin_body_bottom" => $marginbody_bottom,
                        "margin_body_left" => $marginbody_left,
                        "certificate_text" => $output
                );
                $this->getAdapter()->addFormFieldsFromObject($form_fields);
                return $form_fields;
        }

References $output, getAdapter(), getXSLPath(), xslt_create(), xslt_error(), and xslt_free().

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◆ getPageFormats()

ilCertificate::getPageFormats ( )

Retrieves predefined page formats.

Returns: array Associative array containing available page formats

Definition at line 709 of file class.ilCertificate.php.

        {
                return array(
                        "a4" => array(
                                "name" => $this->lng->txt("certificate_a4"), // (297 mm x 210 mm)
                                "value" => "a4",
                                "width" => "210mm",
                                "height" => "297mm"
                        ),
                        "a4landscape" => array(
                                "name" => $this->lng->txt("certificate_a4_landscape"), // (210 mm x 297 mm)",
                                "value" => "a4landscape",
                                "width" => "297mm",
                                "height" => "210mm"
                        ),
                        "a5" => array(
                                "name" => $this->lng->txt("certificate_a5"), // (210 mm x 148.5 mm)
                                "value" => "a5",
                                "width" => "148mm",
                                "height" => "210mm"
                        ),
                        "a5landscape" => array(
                                "name" => $this->lng->txt("certificate_a5_landscape"), // (148.5 mm x 210 mm)
                                "value" => "a5landscape",
                                "width" => "210mm",
                                "height" => "148mm"
                        ),
                        "letter" => array(
                                "name" => $this->lng->txt("certificate_letter"), // (11 inch x 8.5 inch)
                                "value" => "letter",
                                "width" => "8.5in",
                                "height" => "11in"
                        ),
                        "letterlandscape" => array(
                                "name" => $this->lng->txt("certificate_letter_landscape"), // (8.5 inch x 11 inch)
                                "value" => "letterlandscape",
                                "width" => "11in",
                                "height" => "8.5in"
                        ),
                        "custom" => array(
                                "name" => $this->lng->txt("certificate_custom"),
                                "value" => "custom",
                                "width" => "",
                                "height" => ""
                        )
                );
        }

Referenced by processXHTML2FO().

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◆ getXSLName()

ilCertificate::getXSLName ( )

Returns the filename of the XSL-FO file.

Returns: string The filename of the XSL-FO file

Definition at line 164 of file class.ilCertificate.php.

        {
                return "certificate.xml";
        }

Referenced by deliverExportFileXML(), and getXSLPath().

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◆ getXSLPath()

ilCertificate::getXSLPath ( )

Returns the filesystem path of the XSL-FO file.

Returns: string The filesystem path of the XSL-FO file

Definition at line 154 of file class.ilCertificate.php.

        {
                return $this->getAdapter()->getCertificatePath() . $this->getXSLName();
        }

References getAdapter(), and getXSLName().

Referenced by cloneCertificate(), createPreview(), deliverExportFileXML(), getFormFieldsFromFO(), isComplete(), outCertificate(), and saveCertificate().

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◆ hasBackgroundImage()

ilCertificate::hasBackgroundImage ( )

Checks for the background image of the certificate.

Returns: boolean Returns TRUE if the certificate has a background image, FALSE otherwise

Definition at line 635 of file class.ilCertificate.php.

        {
                if (file_exists($this->getBackgroundImagePath()) && (filesize($this->getBackgroundImagePath()) > 0))
                {
                        return TRUE;
                }
                else
                {
                        return FALSE;
                }
        }

References getBackgroundImagePath().

Referenced by deliverExportFileXML(), and processXHTML2FO().

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◆ importCertificate()

ilCertificate::importCertificate	(	$zipfile,
		$filename
	)

Reads an import ZIP file and creates a certificate of it.

Returns: boolean TRUE if the import succeeds, FALSE otherwise

Definition at line 793 of file class.ilCertificate.php.

        {
                include_once "./Services/Utilities/classes/class.ilUtil.php";
                $importpath = $this->createArchiveDirectory();
                if (!ilUtil::moveUploadedFile($zipfile, $filename, $importpath . $filename))
                {
                        ilUtil::delDir($importpath);
                        return FALSE;
                }
                ilUtil::unzip($importpath . $filename, TRUE);
                $subdir = str_replace(".zip", "", strtolower($filename)) . "/";
                $copydir = "";
                if (is_dir($importpath . $subdir))
                {
                        $dirinfo = ilUtil::getDir($importpath . $subdir);
                        $copydir = $importpath . $subdir;
                }
                else
                {
                        $dirinfo = ilUtil::getDir($importpath);
                        $copydir = $importpath;
                }
                $xmlfiles = 0;
                $otherfiles = 0;
                foreach ($dirinfo as $file)
                {
                        if (strcmp($file["type"], "file") == 0)
                        {
                                if (strpos($file["entry"], ".xml") !== FALSE) 
                                {
                                        $xmlfiles++;
                                }
                                else if (strpos($file["entry"], ".zip") !== FALSE)
                                {
                                }
                                else
                                {
                                        $otherfiles++;
                                }
                        }
                }
                // if one XML file is in the archive, we try to import it
                if ($xmlfiles == 1)
                {
                        foreach ($dirinfo as $file)
                        {
                                if (strcmp($file["type"], "file") == 0)
                                {
                                        if (strpos($file["entry"], ".xml") !== FALSE) 
                                        {
                                                $xsl = file_get_contents($copydir . $file["entry"]);
                                                // as long as we cannot make RPC calls in a given directory, we have
                                                // to add the complete path to every url
                                                $xsl = preg_replace("/url\‍([']{0,1}(.*?)[']{0,1}\‍)/", "url(" . $this->getAdapter()->getCertificatePath() . "\${1})", $xsl);
                                                $this->saveCertificate($xsl);
                                        }
                                        else if (strpos($file["entry"], ".zip") !== FALSE)
                                        {
                                        }
                                        else
                                        {
                                                @copy($copydir . $file["entry"], $this->getAdapter()->getCertificatePath() . $file["entry"]);
                                                if (strcmp($this->getBackgroundImagePath(), $this->getAdapter()->getCertificatePath() . $file["entry"]) == 0)
                                                {
                                                        // upload of the background image, create a preview
                                                        ilUtil::convertImage($this->getBackgroundImagePath(), $this->getBackgroundImageThumbPath(), "JPEG", 100);
                                                }
                                        }
                                }
                        }
                }
                else
                {
                        ilUtil::delDir($importpath);
                        return FALSE;
                }
                ilUtil::delDir($importpath);
                return TRUE;
        }

References $file, $filename, ilUtil\convertImage(), createArchiveDirectory(), ilUtil\delDir(), getAdapter(), getBackgroundImagePath(), getBackgroundImageThumbPath(), ilUtil\getDir(), ilUtil\moveUploadedFile(), saveCertificate(), and ilUtil\unzip().

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◆ isActive()

static ilCertificate::isActive ( )

static

Definition at line 943 of file class.ilCertificate.php.

        {                               
                if(self::$is_active === null)
                {
                        // basic admin setting active?
                        $certificate_active = new ilSetting("certificate");
                        $certificate_active = (bool)$certificate_active->get("active");
 
                        // java/rtpc-server active?
                        if($certificate_active)
                        {
                                include_once './Services/WebServices/RPC/classes/class.ilRPCServerSettings.php';
                                $certificate_active = ilRPCServerSettings::getInstance()->isEnabled();
                        }
                        
                        self::$is_active = (bool)$certificate_active;
                }
                return self::$is_active;
        }

Referenced by ilCourseParticipantsTableGUI\__construct(), ilObjSAHSLearningModuleAccess\_lookupUserCertificate(), ilCourseCertificateAdapter\_preloadListData(), ilObjCourseGUI\deliverCertificateObject(), ilPCPlaceHolderGUI\getAvailableTypes(), ilSCORMVerificationTableGUI\getItems(), ilObjExercise\hasUserCertificate(), ilObjCourseGUI\initHeaderAction(), ilObjExerciseGUI\setSettingsSubTabs(), ilObjSAHSLearningModuleGUI\setSettingsSubTabs(), and ilObjCourseGUI\setSubTabs().

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◆ isComplete()

ilCertificate::isComplete ( )

Checks the status of the certificate.

Returns: boolean Returns TRUE if the certificate is complete, FALSE otherwise

Definition at line 652 of file class.ilCertificate.php.

        {
                if(self::isActive())
                {
                        $obj_id = $this->getAdapter()->getCertificateID();
                        if($obj_id && !self::isObjectActive($obj_id))
                        {
                                return FALSE;
                        }
                        if (file_exists($this->getAdapter()->getCertificatePath()))
                        {
                                if (file_exists($this->getXSLPath()) && (filesize($this->getXSLPath()) > 0))
                                {
                                        return TRUE;
                                }
                        }
                }
                return FALSE;
        }

References getAdapter(), and getXSLPath().

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◆ isObjectActive()

static ilCertificate::isObjectActive ( $a_obj_id )

static

Parameters

int $a_obj_id

Returns: bool

Definition at line 967 of file class.ilCertificate.php.

        {
                $chk = self::areObjectsActive(array($a_obj_id));
                return $chk[$a_obj_id];
        }

Referenced by ilCourseParticipantsTableGUI\__construct(), ilObjSAHSLearningModuleAccess\_lookupUserCertificate(), ilObjCourseGUI\deliverCertificateObject(), ilObjExercise\hasUserCertificate(), and ilObjCourseGUI\initHeaderAction().

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◆ outCertificate()

ilCertificate::outCertificate	(	$params,
		$deliver = `TRUE`
	)

Creates a PDF certificate.

Parameters

array	$params	An array of parameters which is needed to create the certificate
bool	$deliver

Returns: void|string

Definition at line 484 of file class.ilCertificate.php.

        {
                ilDatePresentation::setUseRelativeDates(false);
                $insert_tags = $this->getAdapter()->getCertificateVariablesForPresentation($params);
                
                include_once("./Services/User/classes/class.ilUserDefinedData.php");
                $cust_data = new ilUserDefinedData($this->getAdapter()->getUserIdForParams($params));
                $cust_data = $cust_data->getAll();
                foreach (self::getCustomCertificateFields() as $k => $f)
                {
                        $insert_tags[$f["ph"]] = ilUtil::prepareFormOutput($cust_data["f_".$k]);
                }
 
                $xslfo = file_get_contents($this->getXSLPath());
 
        // render tex as fo graphics
                require_once('Services/MathJax/classes/class.ilMathJax.php');
                $xslfo = ilMathJax::getInstance()
                        ->init(ilMathJax::PURPOSE_PDF)
                        ->setRendering(ilMathJax::RENDER_PNG_AS_FO_FILE)
                        ->insertLatexImages($xslfo);
 
                include_once './Services/WebServices/RPC/classes/class.ilRpcClientFactory.php';
                try
                {
                        $pdf_base64 = ilRpcClientFactory::factory('RPCTransformationHandler')->ilFO2PDF(
                                $this->exchangeCertificateVariables($xslfo, $insert_tags));
                        if ($deliver)
                        {
                                include_once "./Services/Utilities/classes/class.ilUtil.php";
                                ilUtil::deliverData($pdf_base64->scalar, $this->getAdapter()->getCertificateFilename($params), "application/pdf");
                        }
                        else
                        {
                                return $pdf_base64->scalar;
                        }
                }
                catch(Exception $e)
                {
                        $this->log->write(__METHOD__.': '.$e->getMessage());
                        return false;
                }
 
                ilDatePresentation::setUseRelativeDates(true);
                
        }

References $params, ilUtil\deliverData(), exchangeCertificateVariables(), ilRpcClientFactory\factory(), getAdapter(), ilMathJax\getInstance(), getXSLPath(), ilUtil\prepareFormOutput(), ilMathJax\PURPOSE_PDF, ilMathJax\RENDER_PNG_AS_FO_FILE, and ilDatePresentation\setUseRelativeDates().

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◆ outCertificateWithGivenContentAndVariables()

ilCertificate::outCertificateWithGivenContentAndVariables	(		$content,
		array	$insert_tags
	)

Parameters

string	$content
array	$insert_tags

Returns: bool

Exceptions

Exception

Definition at line 1117 of file class.ilCertificate.php.

        {
                ilDatePresentation::setUseRelativeDates(false);
 
                $form_fields = $this->getFormFieldsFromFO();
                $form_fields['certificate_text'] = $content;
                $xslfo = $this->processXHTML2FO($form_fields);
 
                $content = $this->exchangeCertificateVariables($xslfo, $insert_tags);
                $content = str_replace('[BR]', "<fo:block/>", $content);
 
                include_once './Services/WebServices/RPC/classes/class.ilRpcClientFactory.php';
                try
                {
                        $pdf_base64 = ilRpcClientFactory::factory('RPCTransformationHandler')->ilFO2PDF($content);
                        include_once "./Services/Utilities/classes/class.ilUtil.php";
                        ilUtil::deliverData($pdf_base64->scalar, $this->getAdapter()->getCertificateFilename(array()), "application/pdf");
                }
                catch(Exception $e)
                {
                        $this->log->write(__METHOD__.': '.$e->getMessage());
                        return false;
                }
 
                ilDatePresentation::setUseRelativeDates(true);
        }

◆ processXHTML2FO()

ilCertificate::processXHTML2FO	(	$form_data,
		$for_export = `FALSE`
	)

Convert the certificate text to XSL-FO using XSL transformation.

Parameters

array $form_data The form data

Returns: string XSL-FO code

Definition at line 390 of file class.ilCertificate.php.

        {
                $content = "<html><body>".$form_data["certificate_text"]."</body></html>";
                $content = preg_replace("/<p>(&nbsp;){1,}<\\/p>/", "<p></p>", $content);
                $content = preg_replace("/<p>(\\s)*?<\\/p>/", "<p></p>", $content);
//              $content = str_replace("<p>&nbsp;</p>", "<p><br /></p>", $content);
//              $content = str_replace("<p> </p>", "<p><br /></p>", $content);
                $content = str_replace("<p></p>", "<p class=\"emptyrow\"></p>", $content);
                $content = str_replace("&nbsp;", "&#160;", $content);
                $content = preg_replace("//", "", $content);
 
                include_once "./Services/Certificate/classes/class.ilXmlChecker.php";
                $check = new ilXMLChecker();
                $check->setXMLContent($content);
                $check->startParsing();
                if ($check->hasError())
                {
                        throw new Exception($this->lng->txt("certificate_not_well_formed"));
                }
 
                $xsl = file_get_contents("./Services/Certificate/xml/xhtml2fo.xsl");
                
                // additional font support
                $xsl = str_replace(
                                'font-family="Helvetica, unifont"',
                                'font-family="'.$this->settings->get('rpc_pdf_font','Helvetica, unifont').'"',
                                $xsl
                );
                
                $args = array( '/_xml' => $content, '/_xsl' => $xsl );
                $xh = xslt_create();
                if (strcmp($form_data["pageformat"], "custom") == 0)
                {
                        $pageheight = $form_data["pageheight"];
                        $pagewidth = $form_data["pagewidth"];
                }
                else
                {
                        $pageformats = $this->getPageFormats();
                        $pageheight = $pageformats[$form_data["pageformat"]]["height"];
                        $pagewidth = $pageformats[$form_data["pageformat"]]["width"];
                }
                include_once "./Services/Certificate/classes/class.ilObjCertificateSettingsAccess.php";
                $backgroundimage = $this->hasBackgroundImage() ? $this->getBackgroundImagePath(true) : ((ilObjCertificateSettingsAccess::hasBackgroundImage()) ? ilObjCertificateSettingsAccess::getBackgroundImagePath(true) : "");
                $params = array(
                        "pageheight"      => $pageheight,
                        "pagewidth"       => $pagewidth,
                        "backgroundimage" => $backgroundimage,
                        "marginbody"      => implode(' ', array(
                                $form_data["margin_body_top"],
                                $form_data["margin_body_right"],
                                $form_data["margin_body_bottom"],
                                $form_data["margin_body_left"]
                        ))
                );
                $output = xslt_process($xh, "arg:/_xml", "arg:/_xsl", NULL, $args, $params);
                xslt_error($xh);
                xslt_free($xh);
                return $output;
        }

References $output, $params, getBackgroundImagePath(), ilObjCertificateSettingsAccess\getBackgroundImagePath(), getPageFormats(), hasBackgroundImage(), ilObjCertificateSettingsAccess\hasBackgroundImage(), settings(), xslt_create(), xslt_error(), and xslt_free().

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◆ readActive()

ilCertificate::readActive ( )

Returns: int

Definition at line 1004 of file class.ilCertificate.php.

        {
                $obj_id = $this->adapter->getCertificateID();
                $set    = $this->db->query("SELECT obj_id FROM il_certificate WHERE obj_id = " . $this->db->quote($obj_id, "integer"));
                return $this->db->numRows($set);
        }

Referenced by cloneCertificate().

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◆ saveCertificate()

ilCertificate::saveCertificate	(	$xslfo,
		$filename = `""`
	)

Saves the XSL-FO code to a file.

Parameters

string $xslfo XSL-FO code

Definition at line 570 of file class.ilCertificate.php.

        {
                if (!file_exists($this->getAdapter()->getCertificatePath()))
                {
                        ilUtil::makeDirParents($this->getAdapter()->getCertificatePath());
                }
                if (strlen($filename) == 0)
                {
                        $filename = $this->getXSLPath();
                }
                $fh = fopen($filename, "w");
                fwrite($fh, $xslfo);
                fclose($fh);
        }

References $fh, $filename, getAdapter(), getXSLPath(), and ilUtil\makeDirParents().

Referenced by deliverExportFileXML(), and importCertificate().

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◆ setAdapter()

ilCertificate::setAdapter ( $adapter )

Sets the adapter.

Parameters

object $adapter Adapter

Definition at line 888 of file class.ilCertificate.php.

        {
                $this->adapter =& $adapter;
        }

References $adapter.

◆ uploadBackgroundImage()

ilCertificate::uploadBackgroundImage ( $image_tempfilename )

Uploads a background image for the certificate.

Creates a new directory for the certificate if needed. Removes an existing certificate image if necessary

Parameters

string $image_tempfilename Name of the temporary uploaded image file

Returns: integer An errorcode if the image upload fails, 0 otherwise

Definition at line 592 of file class.ilCertificate.php.

        {
                if (!empty($image_tempfilename))
                {
                        $convert_filename = $this->getBackgroundImageName();
                        $imagepath = $this->getAdapter()->getCertificatePath();
                        if (!file_exists($imagepath))
                        {
                                ilUtil::makeDirParents($imagepath);
                        }
                        // upload the file
                        if (!ilUtil::moveUploadedFile(
                                        $image_tempfilename,
                                        basename($this->getBackgroundImageTempfilePath()),
                                        $this->getBackgroundImageTempfilePath()
                        )) {
                                return FALSE;
                        }
                        // convert the uploaded file to JPEG
                        ilUtil::convertImage($this->getBackgroundImageTempfilePath(), $this->getBackgroundImagePath(), "JPEG");
                        ilUtil::convertImage($this->getBackgroundImageTempfilePath(), $this->getBackgroundImageThumbPath(), "JPEG", 100);
                        if (!file_exists($this->getBackgroundImagePath()))
                        {
                                // something went wrong converting the file. use the original file and hope, that PDF can work with it
                                if (!ilUtil::moveUploadedFile($this->getBackgroundImageTempfilePath(), $convert_filename, $this->getBackgroundImagePath()))
                                {
                                        return FALSE;
                                }
                        }
                        unlink($this->getBackgroundImageTempfilePath());
                        if (file_exists($this->getBackgroundImagePath()) && (filesize($this->getBackgroundImagePath()) > 0))
                        {
                                return TRUE;
                        }
                }
                return FALSE;
        }

References ilUtil\convertImage(), getAdapter(), getBackgroundImageName(), getBackgroundImagePath(), getBackgroundImageTempfilePath(), getBackgroundImageThumbPath(), ilUtil\makeDirParents(), and ilUtil\moveUploadedFile().

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◆ writeActive()

ilCertificate::writeActive ( $a_value )

Parameters

$a_value bool

Definition at line 1014 of file class.ilCertificate.php.

        {
                $obj_id = $this->adapter->getCertificateID();
 
                if((bool)$a_value)
                {
                        $this->db->replace("il_certificate", array("obj_id" => array("integer", $obj_id)), array());
                }
                else
                {
                        $this->db->manipulate("DELETE FROM il_certificate WHERE obj_id = " . $this->db->quote($obj_id, "integer"));
                }
        }

Referenced by deleteCertificate().

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◆ zipCertificatesInArchiveDirectory()

ilCertificate::zipCertificatesInArchiveDirectory	(	$dir,
		$deliver = `TRUE`
	)

Create a ZIP file from a directory with certificates.

Parameters

string	$dir	Directory containing the certificates
boolean	$deliver	TRUE to deliver the ZIP file, FALSE to return the filename only

Returns: string The created ZIP archive path

Definition at line 931 of file class.ilCertificate.php.

        {
                $zipfile = time() . "__" . IL_INST_ID . "__" . $this->getAdapter()->getAdapterType() . "__" . $this->getAdapter()->getCertificateId() . "__certificates.zip";
                ilUtil::zip($dir, $this->getAdapter()->getCertificatePath() . $zipfile);
                ilUtil::delDir($dir);
                if ($deliver)
                {
                        ilUtil::deliverFile($this->getAdapter()->getCertificatePath() . $zipfile, $zipfile, "application/zip");
                }
                return $this->getAdapter()->getCertificatePath() . $zipfile;
        }

Field Documentation

◆ $adapter

ilCertificate::$adapter

protected

Definition at line 50 of file class.ilCertificate.php.

Referenced by __construct(), _isComplete(), getAdapter(), and setAdapter().

◆ $ctrl

ilCertificate::$ctrl

protected

Definition at line 22 of file class.ilCertificate.php.

◆ $db

ilCertificate::$db

protected

Definition at line 65 of file class.ilCertificate.php.

◆ $ilias

ilCertificate::$ilias

protected

Definition at line 36 of file class.ilCertificate.php.

◆ $is_active

ilCertificate::$is_active

staticprotected

Definition at line 70 of file class.ilCertificate.php.

◆ $lng

ilCertificate::$lng

protected

Definition at line 43 of file class.ilCertificate.php.

◆ $log

ilCertificate::$log

protected

Definition at line 60 of file class.ilCertificate.php.

◆ $settings

ilCertificate::$settings

protected

Definition at line 55 of file class.ilCertificate.php.

◆ $tree

ilCertificate::$tree

protected

Definition at line 29 of file class.ilCertificate.php.

The documentation for this class was generated from the following file:

Services/Certificate/classes/class.ilCertificate.php

Public Member Functions

Static Public Member Functions

Protected Attributes

Static Protected Attributes

Private Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ _getXSLName()

◆ _isComplete()

◆ addPDFtoArchiveDirectory()

◆ cloneCertificate()

◆ createArchiveDirectory()

◆ createPreview()

◆ deleteBackgroundImage()

◆ deleteCertificate()

◆ deliverExportFileXML()

◆ exchangeCertificateVariables()

◆ formatNumberString()

◆ getAdapter()

◆ getBackgroundImageName()

◆ getBackgroundImagePath()

◆ getBackgroundImagePathWeb()

◆ getBackgroundImageTempfilePath()

◆ getBackgroundImageThumbPath()

◆ getBackgroundImageThumbPathWeb()

◆ getCustomCertificateFields()

◆ getExchangeContent()

◆ getFormFieldsFromFO()

◆ getPageFormats()

◆ getXSLName()

◆ getXSLPath()

◆ hasBackgroundImage()

◆ importCertificate()

◆ isActive()

◆ isComplete()

◆ isObjectActive()

◆ outCertificate()

◆ outCertificateWithGivenContentAndVariables()

◆ processXHTML2FO()

◆ readActive()

◆ saveCertificate()

◆ setAdapter()

◆ uploadBackgroundImage()

◆ writeActive()

◆ zipCertificatesInArchiveDirectory()

Field Documentation

◆ $adapter

◆ $ctrl

◆ $db

◆ $ilias

◆ $is_active

◆ $lng

◆ $log

◆ $settings

◆ $tree