File: //home/slfopp7cb1df/public_html/sitepacket.com/system/app/Libraries/Pdf.php
<?php
namespace App\Libraries;
require_once APPPATH . "ThirdParty/tcpdf/tcpdf.php";
class Pdf extends \TCPDF {
private $pdf_type;
public function __construct($pdf_type = '') {
parent::__construct(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
$this->pdf_type = $pdf_type;
$this->SetFontSize(10);
$this->setListIndentWidth(7);
$this->setImageScale(1.42);
}
public function Header() {
if ($this->pdf_type == 'invoice') {
$break_margin = $this->getBreakMargin();
$auto_page_break = $this->AutoPageBreak;
$this->SetAutoPageBreak(false, 0);
//if setting is desable then don't show header
if (!get_setting("enable_background_image_for_invoice_pdf")) {
$this->setPrintHeader(false);
}
$img_file = get_file_from_setting("invoice_pdf_background_image", false, get_setting("timeline_file_path"));
$img_file = $this->_convert_image_links($img_file);
$this->Image($img_file, 0, 0, 210, 297, '', '', '', false, 500, '', false, false, 0);
// restore auto-page-break status
$this->SetAutoPageBreak($auto_page_break, $break_margin);
} else {
parent::Header();
}
}
public function PreparePDF($content, $pdf_file_name, $mode = "download", $is_mobiel_preview = false) {
if (!$content) {
return;
}
if ($this->pdf_type != 'invoice') {
$this->setPrintHeader(false);
$this->setPrintFooter(false);
}
//show background image on first page. Disable on other pages
if ($this->pdf_type == 'invoice' && !get_setting("enable_background_image_for_invoice_pdf")) {
$this->setPrintHeader(false);
}
$this->AddPage();
if ($this->pdf_type == 'invoice' && get_setting("set_invoice_pdf_background_only_on_first_page")) {
$this->setPrintHeader(false);
}
$this->writeHTML($content, true, false, true, false, '');
$pdf_file_name = get_hyphenated_string($pdf_file_name) . ".pdf";
if ($mode === "download") {
$this->Output($pdf_file_name, "D");
} else if ($mode === "send_email") {
$temp_download_path = getcwd() . "/" . get_setting("temp_file_path") . $pdf_file_name;
$this->Output($temp_download_path, "F");
return $temp_download_path;
} else if ($mode === "view") {
if ($is_mobiel_preview) {
$this->SetTitle($pdf_file_name);
$pdf_content = $this->Output($pdf_file_name, "S"); // Get PDF content as a variable
echo '<div class="app-modal">';
echo '<div class="app-modal-content">';
echo '<iframe id="iframe-file-viewer" src="data:application/pdf;base64,' . base64_encode($pdf_content) . '" width="100%" height="100%" style="border: none;"></iframe>';
echo '</div>';
echo '</div>';
} else {
$this->SetTitle($pdf_file_name);
$this->Output($pdf_file_name, "I");
exit;
}
}
}
public function writeHTML($html, $ln = true, $fill = false, $reseth = false, $cell = false, $align = '') {
$html = $this->_convert_image_links($html);
$html = $this->_rebuild_html($html);
parent::writeHTML($html, $ln, $fill, $reseth, $cell, $align);
}
private function _convert_image_links($content) {
//if (get_setting('only_file_path')) {
$base_url = base_url();
$assets_path = $base_url . "assets";
$files_path = $base_url . "files";
$content = str_replace([$assets_path, $files_path], ["assets/", "files/"], $content);
//}
return $content;
}
private function _rebuild_html($content) {
// Add cellpadding to <table> tags
$cellpadding = 10;
$content = preg_replace_callback('/<table(.*?)>/i', function ($matches) use ($cellpadding) {
$attributes = $matches[1];
// Check if cellpadding is already set
if (!preg_match('/\bcellpadding\s*=\s*["\']?\d+["\']?/i', $attributes)) {
$attributes .= ' cellpadding="' . $cellpadding . '"';
}
return '<table' . $attributes . '>';
}, $content);
// Add line-height to <li>
$li_line_height = 1.5;
$content = preg_replace_callback('/<li(.*?)>/i', function ($matches) use ($li_line_height) {
$attributes = $matches[1];
if (preg_match('/\bstyle\s*=\s*["\'](.*?)["\']/i', $attributes, $style_match)) {
// Extract existing styles
$existing_styles = $style_match[1];
// Add line-height if not already present
if (!preg_match('/\bline-height\s*:\s*[\d.]+(px|em|rem|%)?\b/i', $existing_styles)) {
$newStyles = rtrim($existing_styles, ';') . '; line-height:' . $li_line_height . ';';
$attributes = str_replace($style_match[0], 'style="' . $newStyles . '"', $attributes);
}
} else {
// No style attribute, add it
$attributes .= ' style="line-height:' . $li_line_height . ';"';
}
return '<li' . $attributes . '>';
}, $content);
$ul_line_height = 0.2;
$content = preg_replace_callback('/<ul(.*?)>/i', function ($matches) use ($ul_line_height) {
$attributes = $matches[1];
if (preg_match('/\bstyle\s*=\s*["\'](.*?)["\']/i', $attributes, $style_match)) {
// Extract existing styles
$existing_styles = $style_match[1];
// Add line-height if not already present
if (!preg_match('/\bline-height\s*:\s*[\d.]+(px|em|rem|%)?\b/i', $existing_styles)) {
$newStyles = rtrim($existing_styles, ';') . '; line-height:' . $ul_line_height . ';';
$attributes = str_replace($style_match[0], 'style="' . $newStyles . '"', $attributes);
}
} else {
// No style attribute, add it
$attributes .= ' style="line-height:' . $ul_line_height . '; padding-bottom: 0px;"';
}
return '<ul' . $attributes . '>';
}, $content);
//change paragraph line height
$content = preg_replace_callback('/<p\b([^>]*)>/i', function ($matches) {
$tag = $matches[0];
if (strpos($tag, 'style=') !== false) {
// Append line-height to existing style
return preg_replace('/style="([^"]*)"/i', 'style="$1; line-height: 20px;"', $tag);
} else {
// Add a new style attribute
return str_replace('<p', '<p style="line-height: 20px;"', $tag);
}
}, $content);
//change p line height inside table
$content = preg_replace_callback('/<table\b[^>]*>.*?<\/table>/is', function ($matches) {
$tableContent = $matches[0];
$tableContent = preg_replace('/<\s*p\b([^>]*)>/i', '<span$1>', $tableContent);
$tableContent = preg_replace('/<\s*\/\s*p\s*>/i', '</span><br style="line-height: 23px;" />', $tableContent);
return $tableContent;
}, $content);
// Wrap <hr> inside <p> while preserving attributes
$content = preg_replace_callback('/<hr(.*?)>/i', function () {
return '<p><hr style="color:#f2f4f6;"></p>';
}, $content);
$page_width = $this->getPageWidth();
$page_width_in_px = ($page_width / 25.4) * 92;
// Replace percentage-based styles with pixel-based styles
$content = preg_replace_callback('/style=["\'](.*?)["\']/i', function ($matches) use ($page_width_in_px) {
$style = $matches[1];
// Replace percentage-based width with pixel-based width
$style = preg_replace_callback('/width\s*:\s*(\d+%)/i', function ($width_matches) use ($page_width_in_px) {
$percentage_width = $width_matches[1];
$pixelWidth = $page_width_in_px * (floatval($percentage_width) / 100);
return 'width: ' . $pixelWidth . 'px';
}, $style);
return 'style="' . $style . '"';
}, $content);
$rem_base = 14; // 1rem = 14px for pdf
$content = preg_replace_callback('/font-size\s*:\s*([\d.]+)\s*rem/i', function ($matches) use ($rem_base) {
$rem_value = (float) $matches[1];
$px_value = $rem_value * $rem_base;
return 'font-size: ' . $px_value . 'px';
}, $content);
$default_style = "<style>
h1 { font-size: 32px; font-weight: normal; }
h2 { font-size: 28px; font-weight: normal; }
h3 { font-size: 24px; font-weight: normal; }
h4 { font-size: 18px; font-weight: normal; }
h5 { font-size: 17px; }
h6 { font-size: 14px; font-weight: normal; }
</style>";
$content = $default_style . $content;
return $content;
}
}