LDAPAccountManager/lam/lib/pdf.inc

383 lines
10 KiB
PHP

<?php
namespace LAM\PDF;
/*
This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
Copyright (C) 2003 - 2004 Michael Duergner
2003 - 2017 Roland Gruber
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* LDAP Account Manager PDF printing library. It consists of lamPDF class,
* the createModulePDF() function that may be called by other pages
* and furthermore some helper functions.
*
* @author Michael Duergner
* @author Roland Gruber
* @package PDF
*/
/** line width */
define('LAMPDF_LINEWIDTH', 190);
/** line height */
define('LAMPDF_LINEHEIGHT', 5);
/** width of a label */
define('LAMPDF_LABELWIDTH', 50);
/** font size */
define('LAMPDF_FONT_SIZE', 7);
/** font size for bigger text */
define('LAMPDF_FONT_SIZE_BIG', 10);
/** access to PDF configuration files */
include_once('pdfstruct.inc');
/**
* This function creates the PDF output of one or more accounts.
*
* @param array $accounts A numbered array containing all accounts the PDF page should
* be created for. The entries of the array must be AccountContainer objects.
* @param string $pdf_structure The filename of the structure definition that should be used
* to create the PDF page. If not submitted the 'default.user' structure definition
* for the appropriate account type.
* @param string $font font to use (e.g. DejaVu)
* @param $returnAsString returns the PDF output as String value instead of writing it to a file
* @return String PDF file name
*/
function createModulePDF($accounts, $pdf_structure="default", $font, $returnAsString = false) {
$account_type = $accounts[0]->get_type();
// Get PDF structure from xml file
$reader = new PDFStructureReader();
$structure = $reader->read($account_type->getId(), $pdf_structure);
// get list of PDF keys
$pdfKeys = array();
foreach($structure->getSections() as $section) {
if (!$section instanceof PDFEntrySection) {
continue;
}
if ($section->isAttributeTitle()) {
$pdfKeys[] = $section->getPdfKey();
}
foreach ($section->getEntries() as $entry) {
$pdfKeys[] = $entry->getKey();
}
}
$pdfKeys = array_unique($pdfKeys);
return createPdf($structure, $accounts, $pdfKeys, $account_type, $font, $returnAsString);
}
/**
* This function creates the PDF output of one or more accounts using TCPDF.
*
* @param PDFstructure $structure PDF structure
* @param array $accounts A numbered array containing all accounts the PDF page should
* be created for. The entries of the array must be AccountContainer objects.
* @param string $pdf_structure The filename of the structure definition that should be used
* to create the PDF page. If not submitted the 'default.user' structure definition
* for the appropriate account type.
* @param string $font font to use
* @param $returnAsString returns the PDF output as String value instead of writing it to a file
* @return String PDF file name
*/
function createPdf($structure, $accounts, $pdfKeys, $account_type, $font, $returnAsString) {
/** PDF generator class */
include_once("lamtcpdf.inc");
$pdf = new LAMTCPDF($structure, $font);
// Loop over each account and add a new page in the PDF file for it
foreach($accounts as $account) {
// Start a new page for each account
$pdf->AddPage();
// Get PDF entries for the current account
$entries = $account->get_pdfEntries($pdfKeys, $account_type->getId());
// Now create the PDF file acording to the structure with the submitted values
foreach ($structure->getSections() as $section) {
if ($section instanceof PDFTextSection) {
$pdf->setFont($font, "", LAMPDF_FONT_SIZE);
$info_string = str_replace("\r", "", $section->getText());
$info_string = explode("\n", $info_string);
foreach ($info_string as $text) {
$pdf->MultiCell(0, LAMPDF_LINEHEIGHT, trim($text), 0, "L", 0);
$pdf->Ln(0);
}
$pdf->Ln(LAMPDF_LINEHEIGHT * 2);
}
elseif ($section instanceof PDFEntrySection) {
// section headline
if($section->isAttributeTitle()) {
$section_headline = getSectionHeadline($entries[$section->getPdfKey()][0]);
}
else {
$section_headline = $section->getTitle();
}
$pdf->setFont($font, "B", LAMPDF_FONT_SIZE_BIG);
$pdf->Write(0, $section_headline, '', false, 'L', true);
$pdf->Ln(LAMPDF_LINEHEIGHT);
// entries
foreach ($section->getEntries() as $entry) {
// skip non-existent entries
if (isset($entries[$entry->getKey()])) {
// Get current entry
$valueEntries = $entries[$entry->getKey()];
// Print entry only when module sumitted values for it
if(is_array($valueEntries)) {
// Loop over all rows of this entry (most of the time this will be just one)
foreach($valueEntries as $valueEntry) {
if ($valueEntry instanceof PDFLabelValue) {
printLabelValue($pdf, $valueEntry, $font);
}
else if ($valueEntry instanceof PDFTable) {
printTable($pdf, $valueEntry, $font);
}
}
}
}
}
// section end
$pdf->Ln(LAMPDF_LINEHEIGHT * 2);
}
}
}
$out = $pdf->Output('out.pdf', 'S');
if (!$returnAsString) {
// use timestamp and random number from ldap.inc as filename so it should be unique.
$filename = '../../tmp/' . getRandomNumber() . time() .'.pdf';
// Save PDF
$handle = fopen($filename, 'w');
chmod($filename, 0640);
fwrite($handle, $out);
fclose($handle);
// return PDF file name
return $filename;
}
else {
return $out;
}
}
/**
* Creates a section headline.
*
* @param PDFEntry $entry content entry
*
* @return string headline
*/
function getSectionHeadline($entry) {
return $entry->getHeadline();
}
/**
* Prints a PDFLabelValue entry.
*
* @param LAMTCPDF $pdf PDF
* @param PDFLabelValue $valueEntry entry
* @param string $fontName font name
*/
function printLabelValue(&$pdf, $valueEntry, $fontName) {
$pdf->SetFont($fontName, 'B', LAMPDF_FONT_SIZE);
$pdf->MultiCell(LAMPDF_LABELWIDTH, LAMPDF_LINEHEIGHT, $valueEntry->getLabel() . ':', 0, 'R', false, 0, '', '', true, 0, false, true, 0, 'T');
$pdf->SetFont($fontName, '', LAMPDF_FONT_SIZE);
$pdf->MultiCell(0, LAMPDF_LINEHEIGHT, $valueEntry->getValue(), 0, 'L', false, 1, '', '', true, 0, false, true, 0, 'M');
$pdf->Ln(0);
}
/**
* Prints a PDFTable entry.
*
* @param LAMTCPDF $pdf PDF
* @param PDFTable $table entry
* @param string $fontName font name
*/
function printTable(&$pdf, $table, $fontName) {
$headline = $table->getHeadline();
if (!empty($headline)) {
$pdf->SetFont($fontName, 'B', LAMPDF_FONT_SIZE);
$pdf->Cell(LAMPDF_LABELWIDTH, LAMPDF_LINEHEIGHT, $headline . ':', 0 , 0, 'L', 0);
$pdf->Ln(LAMPDF_LINEHEIGHT);
}
foreach ($table->rows as $row) {
foreach ($row->cells as $cell) {
$width = $cell->width;
if (!empty($width) && (strpos($width, '%') !== false)) {
$width = ceil(LAMPDF_LINEWIDTH * substr($width, 0, -1) / 100);
}
if ($cell->bold) {
$pdf->SetFont($fontName, 'B', LAMPDF_FONT_SIZE);
}
$pdf->Cell($width, LAMPDF_LINEHEIGHT, $cell->content, 0, 0, $cell->align, 0, '', 1);
if ($cell->bold) {
$pdf->SetFont($fontName, '', LAMPDF_FONT_SIZE);
}
}
$pdf->Ln(LAMPDF_LINEHEIGHT);
}
$pdf->Ln(LAMPDF_LINEHEIGHT);
}
/**
* Common interface for all PDF entries.
*
* @package PDF
* @author Roland Gruber
*/
interface PDFEntry {
/**
* Returns the head line of the entry.
*
* @return string label
*/
public function getHeadline();
}
/**
* Represents a table for PDF export.
*
* @package PDF
* @author Roland Gruber
*/
class PDFTable implements PDFEntry {
/** optional label of table */
private $label = '';
/** list of PDFTableRow elements */
public $rows = array();
/**
* Constructor
*
* @param String $label label
*/
public function __construct($label = null) {
$this->label = $label;
}
/**
* {@inheritDoc}
* @see PDFEntry::getHeadline()
*/
public function getHeadline() {
return $this->label;
}
}
/**
* Represents a table row for PDF export.
*
* @package PDF
* @author Roland Gruber
*/
class PDFTableRow {
/** list of PDFTableCell */
public $cells = array();
}
/**
* Represents a table cell for PDF export.
*
* @package PDF
* @author Roland Gruber
*/
class PDFTableCell {
const ALIGN_LEFT = 'L';
const ALIGN_RIGHT = 'R';
const ALIGN_CENTER = 'C';
/** content text of cell */
public $content = '';
/** text alignment */
public $align = self::ALIGN_LEFT;
/** cell width (e.g. "20%") */
public $width = null;
/** bold text */
public $bold = false;
/**
* Constructor.
*
* @param String $content cell content
* @param String $width width (e.g. "20%")
* @param String $align cell alignment (default: left)
* @param boolean $bold print in bold
*/
public function __construct($content, $width = null, $align = null, $bold = false) {
$this->content = empty($content) ? ' ' : $content;
$this->align = ($align == null) ? self::ALIGN_LEFT : $align;
$this->width = $width;
$this->bold = $bold;
}
}
/**
* Simple PDF object to print label value entries.
*
* @package PDF
* @author Roland Gruber
*/
class PDFLabelValue implements PDFEntry {
private $label = '';
private $value = '';
/**
* Constructor
*
* @param string $label label
* @param string $value value
*/
public function __construct($label, $value) {
$this->label = $label;
$this->value = $value;
}
/**
* Returns the label.
*
* @return string $label label
*/
public function getLabel() {
return $this->label;
}
/**
* Returns the value.
*
* @return string $value value
*/
public function getValue() {
return $this->value;
}
/**
* {@inheritDoc}
* @see PDFEntry::getHeadline()
*/
public function getHeadline() {
return $this->value;
}
}