mirror of
https://github.com/invoiceninja/invoiceninja.git
synced 2025-11-03 21:07:30 -05:00
335 lines
10 KiB
PHP
335 lines
10 KiB
PHP
<?php
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/**
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* Invoice Ninja (https://invoiceninja.com).
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*
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* @link https://github.com/invoiceninja/invoiceninja source repository
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*
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* @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
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*
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* @license https://www.elastic.co/licensing/elastic-license
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*/
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namespace App\Services\PdfMaker;
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use DOMDocument;
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use DOMXPath;
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trait PdfMakerUtilities
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{
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private function initializeDomDocument()
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{
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$document = new DOMDocument();
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$document->validateOnParse = true;
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@$document->loadHTML(mb_convert_encoding($this->design->html(), 'HTML-ENTITIES', 'UTF-8'));
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$this->document = $document;
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$this->xpath = new DOMXPath($document);
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}
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public function getSection(string $selector, string $section = null)
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{
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$element = $this->document->getElementById($selector);
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if ($section) {
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return $element->getAttribute($section);
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}
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return $element->nodeValue;
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}
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public function getSectionNode(string $selector)
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{
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return $this->document->getElementById($selector);
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}
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public function updateElementProperties(array $elements)
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{
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foreach ($elements as $element) {
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if (isset($element['tag'])) {
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$node = $this->document->getElementsByTagName($element['tag'])->item(0);
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} elseif (!is_null($this->document->getElementById($element['id']))) {
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$node = $this->document->getElementById($element['id']);
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} else {
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continue;
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}
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if (isset($element['properties'])) {
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foreach ($element['properties'] as $property => $value) {
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$this->updateElementProperty($node, $property, $value);
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}
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}
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if (isset($element['elements'])) {
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$this->createElementContent($node, $element['elements']);
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}
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}
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}
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public function updateElementProperty($element, string $attribute, ?string $value)
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{
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// We have exception for "hidden" property.
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// hidden="true" or hidden="false" will both hide the element,
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// that's why we have to create an exception here for this rule.
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if ($attribute == 'hidden' && ($value == false || $value == 'false')) {
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return $element;
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}
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$element->setAttribute($attribute, $value);
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if ($element->getAttribute($attribute) === $value) {
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return $element;
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}
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return $element;
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}
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public function createElementContent($element, $children)
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{
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foreach ($children as $child) {
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$contains_html = false;
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if (isset($child['content'])) {
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// Commented cause it keeps adding <br> at the end, if markdown parsing is turned on.
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// Should update with 'parse_markdown_on_pdfs' setting.
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$child['content'] = nl2br($child['content']);
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}
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// "/\/[a-z]*>/i" -> checks for HTML-like tags:
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// <my-tag></my-tag> => true
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// <my-tag /> => true
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// <my-tag> => false
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if (isset($child['content'])) {
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if (isset($child['is_empty']) && $child['is_empty'] === true) {
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continue;
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}
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$contains_html = preg_match("/\/[a-z]*>/i", $child['content'], $m) != 0;
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}
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if ($contains_html) {
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// If the element contains the HTML, we gonna display it as is. DOMDocument, is going to
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// encode it for us, preventing any errors on the backend due processing stage.
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// Later, we decode this using Javascript so it looks like it's normal HTML being injected.
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// To get all elements that need frontend decoding, we use 'data-ref' property.
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$_child = $this->document->createElement($child['element'], '');
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$_child->setAttribute('data-state', 'encoded-html');
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$_child->nodeValue = htmlspecialchars($child['content']);
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} else {
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// .. in case string doesn't contain any HTML, we'll just return
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// raw $content.
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$_child = $this->document->createElement($child['element'], isset($child['content']) ? htmlspecialchars($child['content']) : '');
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}
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$element->appendChild($_child);
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if (isset($child['properties'])) {
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foreach ($child['properties'] as $property => $value) {
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$this->updateElementProperty($_child, $property, $value);
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}
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}
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if (isset($child['elements'])) {
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$this->createElementContent($_child, $child['elements']);
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}
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}
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}
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public function updateVariables(array $variables)
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{
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$html = strtr($this->getCompiledHTML(), $variables['labels']);
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$html = strtr($html, $variables['values']);
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@$this->document->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'));
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$this->document->saveHTML();
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}
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public function updateVariable(string $element, string $variable, string $value)
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{
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$element = $this->document->getElementById($element);
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$original = $element->nodeValue;
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$element->nodeValue = '';
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$replaced = strtr($original, [$variable => $value]);
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$element->appendChild(
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$this->document->createTextNode($replaced)
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);
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return $element;
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}
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public function processOptions()
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{
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if (!isset($this->options['all_pages_header']) || $this->options['all_pages_header'] == false) {
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return;
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}
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if (!isset($this->options['all_pages_footer']) || $this->options['all_pages_footer'] == false) {
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return;
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}
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$this->insertPrintCSS();
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$this->wrapIntoTable();
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}
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public function insertPrintCSS()
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{
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$css = <<<'EOT'
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table.page-container {
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page-break-after: always;
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min-width: 100%;
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}
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thead.page-header {
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display: table-header-group;
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}
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tfoot.page-footer {
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display: table-footer-group;
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}
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EOT;
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$css_node = $this->document->createTextNode($css);
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$style = $this->document->getElementsByTagName('style')->item(0);
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if ($style) {
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return $style->appendChild($css_node);
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}
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$head = $this->document->getElementsByTagName('head')->item(0);
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if ($head) {
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$style_node = $this->document->createElement('style', $css);
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return $head->appendChild($style_node);
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}
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return $this;
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}
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public function wrapIntoTable()
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{
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$markup = <<<'EOT'
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<table class="page-container" id="page-container">
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<thead class="page-report">
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<tr>
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<th class="page-report-cell" id="repeat-header">
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<!-- Repeating header goes here.. -->
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</th>
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</tr>
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</thead>
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<tfoot class="report-footer">
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<tr>
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<td class="report-footer-cell" id="repeat-footer">
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<!-- Repeating footer goes here -->
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</td>
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</tr>
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</tfoot>
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<tbody class="report-content">
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<tr>
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<td class="report-content-cell" id="repeat-content">
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<!-- Rest of the content goes here -->
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</td>
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</tr>
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</tbody>
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</table>
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EOT;
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$document = new DOMDocument();
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$document->loadHTML($markup);
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$table = $document->getElementById('page-container');
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$body = $this->document->getElementsByTagName('body')
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->item(0);
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$body->appendChild(
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$this->document->importNode($table, true)
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);
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for ($i = 0; $i < $body->childNodes->length; $i++) {
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$element = $body->childNodes->item($i);
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if ($element->nodeType !== 1) {
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continue;
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}
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if (
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$element->getAttribute('id') == 'header' ||
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$element->getAttribute('id') == 'footer' ||
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$element->getAttribute('id') === 'page-container'
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) {
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continue;
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}
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$clone = $element->cloneNode(true);
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$element->parentNode->removeChild($element);
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$this->document->getElementById('repeat-content')->appendChild($clone);
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}
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// info($this->data['options']);
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if (
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$header = $this->document->getElementById('header') &&
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isset($this->data['options']['all_pages_header']) &&
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$this->data['options']['all_pages_header']
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) {
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$header = $this->document->getElementById('header');
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$clone = $header->cloneNode(true);
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$header->parentNode->removeChild($header);
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$this->document->getElementById('repeat-header')->appendChild($clone);
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}
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if (
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$footer = $this->document->getElementById('footer') &&
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isset($this->data['options']['all_pages_footer']) &&
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$this->data['options']['all_pages_footer']
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) {
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$footer = $this->document->getElementById('footer');
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$clone = $footer->cloneNode(true);
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$footer->parentNode->removeChild($footer);
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$this->document->getElementById('repeat-footer')->appendChild($clone);
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}
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}
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public function getEmptyElements(array &$elements, array $variables)
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{
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foreach ($elements as &$element) {
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if (isset($element['elements'])) {
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$this->getEmptyChildrens($element['elements'], $variables);
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}
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}
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}
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public function getEmptyChildrens(array &$children, array $variables)
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{
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foreach ($children as $key => &$child) {
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if (isset($child['content']) && isset($child['show_empty']) && $child['show_empty'] === false) {
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$value = strtr($child['content'], $variables['values']);
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if ($value === '' || $value === ' ') {
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$child['is_empty'] = true;
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}
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}
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if (isset($child['elements'])) {
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$this->getEmptyChildrens($child['elements'], $variables);
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}
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}
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}
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}
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