343 lines
12 KiB
PHP
343 lines
12 KiB
PHP
<?php
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// Making sure the file is included.
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if(basename(__FILE__) == basename($_SERVER["SCRIPT_FILENAME"])) {
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header('HTTP/1.1 403 Forbidden');
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die();
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}
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// Importing required scripts
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include_once 'langs.php';
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// This helper requires PHP 8 or newer !
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$SHOW_CONTENT_DEBUG_CARD = false;
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$PRINT_CONTENT_DEBUG_INFO_TEXT_ELEMENTS = true;
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$PRINT_CONTENT_DEBUG_ERROR_TEXT_ELEMENTS = true;
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// Defining constants and enums.
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abstract class ContentDisplayType {
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const NONE = 0;
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const SEARCH = 1;
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const CONTENT = 2;
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}
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// Preparing default variables.
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$requested_content_display_type = ContentDisplayType::NONE;
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$content_has_error = false;
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$content_error_message_key = "error.content.none";
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$content_error_message = "";
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$requested_tags = array();
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$raw_additional_tags = "";
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$filtered_content_index_data = NULL;
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$requested_item_data = NULL;
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// Detecting content display type requested.
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$content_requested_url_part = explode("?", explode("#", preg_replace("^\/(content)^", "", l10n_url_switch(NULL)))[0])[0];
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if(strcmp($content_requested_url_part, "/") == 0) {
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$requested_content_display_type = ContentDisplayType::SEARCH;
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} else {
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$requested_content_display_type = ContentDisplayType::CONTENT;
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$content_requested_url_part = ltrim($content_requested_url_part, "/");
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}
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if($requested_content_display_type == ContentDisplayType::SEARCH) {
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// Checking if more tags were given
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if(isset($_GET['tags'])) {
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$raw_additional_tags = htmlspecialchars($_GET['tags']);
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// Checking the length to prevent bad requests
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if(strlen($raw_additional_tags) > 256) {
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$content_has_error = true;
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$content_error_message_key = "error.content.tags.length";
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goto content_end;
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}
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// Extracting the additional tags safely
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$raw_additional_tags_exploded = explode(";", $raw_additional_tags);
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for($i = 0; $i < count($raw_additional_tags_exploded); $i++) {
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if(strlen($raw_additional_tags_exploded[$i]) > 0) {
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if(ctype_alnum($raw_additional_tags_exploded[$i])) {
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$requested_tags[] = $raw_additional_tags_exploded[$i];
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} else {
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$content_has_error = true;
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$content_error_message_key = "error.content.tags.alphanumeric";
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goto content_end;
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}
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}
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}
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unset($raw_additional_tags_exploded);
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}
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// Loading the content index.
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$content_json = file_get_contents(realpath($dir_content . "/index.json"));
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$content_index_data = json_decode($content_json, true);
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unset($content_json);
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// Filtering out unwanted entries.
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$filtered_content_index_data = array();
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for($i = 0; $i < count($content_index_data); $i++) {
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if(count(array_intersect($content_index_data[$i]["tags"], $requested_tags)) == count($requested_tags)) {
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$filtered_content_index_data[] = $content_index_data[$i];
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}
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}
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// Cleaning some variables.
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unset($content_index_data);
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unset($content_json);
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// Checking if we found content for the user.
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if(count($filtered_content_index_data) == 0) {
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// No relevant article/page were found for the given tags.
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$content_has_error = true;
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$content_error_message_key = "error.content.detect.empty";
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goto content_end;
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}
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} elseif($requested_content_display_type == ContentDisplayType::CONTENT) {
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// Sanitizing the requested ID.
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if(!ctype_alnum(str_replace("-", "", $content_requested_url_part))) {
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$content_has_error = true;
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$content_error_message_key = "error.content.id.alphanumeric";
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goto content_end;
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}
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// Loading the content's data.
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$content_file_path = realpath($dir_content . "/items/".$content_requested_url_part.".json");
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if($content_file_path) {
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// FIXME: Handle JSON errors cleanly
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$content_json = file_get_contents($content_file_path);
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$requested_item_data = json_decode($content_json, true);
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unset($content_json);
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} else {
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$content_has_error = true;
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$content_error_message_key = "error.content.data.not.exist";
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goto content_end;
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}
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unset($content_file_path);
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}
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content_end:
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$content_error_message = localize($content_error_message_key);
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// These functions are placed here to prevent the main file from becoming impossible to read.
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function startMainCard($iconClasses, $title, $subTitle) {
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echo('<div class="card p-0 mx-0"><div class="px-card py-10 border-bottom px-20"><div class="container-fluid">');
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echo('<div class="row"><div class="col-8"><h2 class="card-title font-size-18 m-0">');
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echo('<i class="'.$iconClasses.'"></i> '.localize($title).'</h2></div>');
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echo('<div class="col-4 text-right font-italic"><h2 class="card-title font-size-18 m-0 text-super-muted">'.$subTitle.'</h2>');
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echo('</div></div></div></div>');
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}
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function endMainCard() {
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echo('</div>');
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}
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function getContentItemText(array $contentNode, bool $italicOnError = true, bool $returnMissingAsEmpty = false) : string {
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global $user_language, $default_language;
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if(array_key_exists("key", $contentNode)) {
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return localize($contentNode["key"]);
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} elseif(array_key_exists($user_language, $contentNode)) {
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return $contentNode[$user_language];
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} elseif(array_key_exists($default_language, $contentNode)) {
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return $contentNode[$default_language];
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} else {
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if($returnMissingAsEmpty) {
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return "";
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}
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if($italicOnError) {
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return '<i>'.localize("error.content.data.no.title").'</i>';
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} else {
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return localize("error.content.data.no.title");
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}
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}
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}
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function printInfoTextElement(string $text) : void {
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global $PRINT_CONTENT_DEBUG_INFO_TEXT_ELEMENTS;
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if($PRINT_CONTENT_DEBUG_INFO_TEXT_ELEMENTS) {
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echo('<h3 class="m-0 font-size-20 text-primary font-weight-semi-bold">'.$text.'</h3>');
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}
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}
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function printErrorTextElement(string $text) : void {
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global $PRINT_CONTENT_DEBUG_ERROR_TEXT_ELEMENTS;
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if($PRINT_CONTENT_DEBUG_ERROR_TEXT_ELEMENTS) {
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echo('<h3 class="m-0 font-size-20 text-center text-danger font-weight-semi-bold">'.$text.'</h3>');
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}
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}
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function createElementNode(mixed $elementNode) : void {
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// Checking if we actually have a JSON object.
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if(!is_array($elementNode)) {
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echo('<p>Not array node !</p>');
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return;
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}
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if(!array_key_exists("type", $elementNode)) {
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echo('<p>No "type" member found in node !</p>');
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return;
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}
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switch($elementNode["type"]) {
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case "table":
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//printInfoTextElement('table item type');
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// Reading and processing the modifiers
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$_modNoOuterPadding = false;
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$_modStriped = false;
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$_modHover = false;
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$_modInnerBordered = false;
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if(array_key_exists("modifiers", $elementNode)) {
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for ($i = 0; $i < count($elementNode["modifiers"]); $i++) {
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//printInfoTextElement('>> Modifier: '.$elementNode["modifiers"][$i]);
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switch($elementNode["modifiers"][$i]) {
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case "no-outer-padding":
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// Removes the rounding on the external edges.
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$_modNoOuterPadding = true;
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break;
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case "striped":
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// Removes the internal padding and adds 0.01em to the top to prevent gaps from margins.
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$_modStriped = true;
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break;
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case "hover":
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// Removes the standard top margin.
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$_modHover = true;
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break;
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case "inner-bordered":
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// Removes the standard top margin.
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$_modInnerBordered = true;
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break;
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}
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}
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}
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// Preparing table
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echo('<table class="table'.($_modNoOuterPadding?" table-no-outer-padding":"").($_modStriped?" table-striped":"").
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($_modHover?" table-hover":"").($_modInnerBordered?" table-inner-bordered":"").'">');
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// Creating "thead"
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if(array_key_exists("head", $elementNode)) {
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echo('<thead><tr>');
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for ($iTableHead = 0; $iTableHead < count($elementNode["head"]); $iTableHead++) {
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echo('<th>');
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if(array_key_exists("parts", $elementNode["head"][$iTableHead])) {
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for ($iPart = 0; $iPart < count($elementNode["head"][$iTableHead]["parts"]); $iPart++) {
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createElementNode($elementNode["head"][$iTableHead]["parts"][$iPart]);
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}
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} else {
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echo(getContentItemText($elementNode["head"][$iTableHead], false, true));
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}
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echo('</th>');
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}
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echo('</tr></thead>');
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}
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// Creating "tbody"
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if(array_key_exists("body", $elementNode)) {
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echo('<tbody>');
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for ($iTableBodyRow = 0; $iTableBodyRow < count($elementNode["body"]); $iTableBodyRow++) {
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echo('<tr>');
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for ($iTableBodyCell = 0; $iTableBodyCell < count($elementNode["body"][$iTableBodyRow]); $iTableBodyCell++) {
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$_cellColSpan = 1;
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$_cellRowSpan = 1;
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if(array_key_exists("colspan", $elementNode["body"][$iTableBodyRow][$iTableBodyCell])) {
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$_cellColSpan = $elementNode["body"][$iTableBodyRow][$iTableBodyCell]["colspan"];
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}
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if(array_key_exists("rowspan", $elementNode["body"][$iTableBodyRow][$iTableBodyCell])) {
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$_cellRowSpan = $elementNode["body"][$iTableBodyRow][$iTableBodyCell]["rowspan"];
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}
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echo('<td'.($_cellColSpan>1?' colspan="'.$_cellColSpan.'"':'').($_cellRowSpan>1?' rowspan="'.$_cellRowSpan.'"':'').'>');
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if(array_key_exists("parts", $elementNode["body"][$iTableBodyRow][$iTableBodyCell])) {
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for ($iPart = 0; $iPart < count($elementNode["body"][$iTableBodyRow][$iTableBodyCell]["parts"]); $iPart++) {
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createElementNode($elementNode["body"][$iTableBodyRow][$iTableBodyCell]["parts"][$iPart]);
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}
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} else {
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echo(getContentItemText($elementNode["body"][$iTableBodyRow][$iTableBodyCell], false, true));
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}
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echo('</td>');
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}
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echo('</tr>');
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}
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echo('</tbody>');
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}
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// Ending table
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echo('</table>');
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break;
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case "collapse":
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//printInfoTextElement('collapse item type');
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// Preparing some stuff
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$_title = '<i>'.localize("error.content.data.no.title").'</i>';
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$_subtitle = '';
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if(array_key_exists("title", $elementNode)) {
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$_title = getContentItemText($elementNode["title"], true, true);
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}
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if(array_key_exists("subtitle", $elementNode)) {
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$_subtitle = getContentItemText($elementNode["subtitle"], true, true);
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}
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//printInfoTextElement('> title: "'.$_title);
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//printInfoTextElement('> subtitle: "'.$_subtitle);
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// Reading and processing the modifiers
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$_modNoRounding = false;
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$_modNoContentPadding = false;
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$_modNoTopMargin = false;
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$_modIsClosed = false;
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if(array_key_exists("modifiers", $elementNode)) {
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for ($i = 0; $i < count($elementNode["modifiers"]); $i++) {
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//printInfoTextElement('>> Modifier: '.$elementNode["modifiers"][$i]);
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switch($elementNode["modifiers"][$i]) {
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case "no-rounding":
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// Removes the rounding on the external edges.
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$_modNoRounding = true;
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break;
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case "no-padding-content":
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// Removes the internal padding and adds 0.01em to the top to prevent gaps from margins.
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$_modNoContentPadding = true;
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break;
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case "no-top-margin":
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// Removes the standard top margin.
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$_modNoTopMargin = true;
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break;
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case "closed":
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// Close the collapse by default.
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$_modIsClosed = true;
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break;
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}
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}
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}
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// Starting the collapse
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echo('<details class="collapse-panel w-full'.($_modNoTopMargin?"":" mt-20").'" '.($_modIsClosed?"closed":"open").'>');
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echo('<summary class="collapse-header p-10 px-15 text-truncate without-arrow'.($_modNoRounding?" rounded-0":"").' border-left-0 border-right-0">');
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echo('<h4 class="font-size-16 m-0 align-middle no-select"><i class="fad fa-angle-down hidden-collapse-open font-size-24"></i>');
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echo('<i class="fad fa-angle-up hidden-collapse-closed font-size-24"></i>');
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echo('<span class="font-weight-semi-bold align-top"> '.$_title.'<span class="ml-20 text-muted">'.$_subtitle.'</span></span>');
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echo('</h4></summary><div class="collapse-content'.($_modNoContentPadding?" p-0 py-01":"").($_modNoRounding?" rounded-0":"").' border-0 border-bottom">');
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// Rendering sub-elements
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if(array_key_exists("parts", $elementNode)) {
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//printInfoTextElement('> Processing sub-parts');
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for ($i = 0; $i < count($elementNode["parts"]); $i++) {
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createElementNode($elementNode["parts"][$i]);
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}
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//printInfoTextElement('> Done processing sub-parts');
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} else {
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printErrorTextElement(localize("error.content.data.no.subpart"));
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}
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// Ending the collapse
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echo('</div></details>');
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//printInfoTextElement('end of collapse');
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break;
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default:
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printErrorTextElement(sprintf(localize("error.content.data.part.unknown"), $elementNode["type"]));
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break;
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}
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}
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?>
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