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<?php
/*
** Zabbix
** Copyright (C) 2001-2022 Zabbix SIA
**
** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
/**
* Class for rendering html page head part.
*/
class CPageHeader {
/**
* @var string page title
*/
protected $title;
/**
* @var string Language attribute.
*/
protected $lang;
/**
* @var array of css file paths
*/
protected $cssFiles = [];
/**
* @var array of css styles
*/
protected $styles = [];
/**
* @var array of js file paths
*/
protected $jsFiles = [];
/**
* @var array of js scripts to render before js files
*/
protected $jsBefore = [];
/**
* @var array of js scripts to render after js files
*/
protected $js = [];
/**
* @var {string} sid
*/
protected $sid;
/**
* @param string $title
* @param string $lang
*/
public function __construct(string $title, string $lang) {
$this->title = CHtml::encode($title);
$this->lang = $lang;
$this->sid = substr(CSessionHelper::getId(), 16, 16);
}
/**
* Add path to css file to render in page head.
*
* @param string $path
*/
public function addCssFile($path) {
$this->cssFiles[$path] = $path;
return $this;
}
/**
* Add css style to render in page head.
*
* @param string $style
*/
public function addStyle($style) {
$this->styles[] = $style;
return $this;
}
/**
* Add path to js file to render in page head.
*
* @param string $path
*/
public function addJsFile($path) {
$this->jsFiles[$path] = $path;
return $this;
}
/**
* Add js script to render in page head after js file includes are rendered.
*
* @param string $js
*/
public function addJs($js) {
$this->js[] = $js;
return $this;
}
/**
* Add js script to render in page head before js file includes are rendered.
*
* @param string $js
*/
public function addJsBeforeScripts($js) {
$this->jsBefore[] = $js;
return $this;
}
/**
* Display page head html.
*/
public function display() {
echo '<!DOCTYPE html>'."\n";
echo '<html lang="'.$this->lang.'">'."\n";
echo <<<HTML
<head>
<meta http-equiv="X-UA-Compatible" content="IE=Edge"/>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="Author" content="Zabbix SIA" />
<title>$this->title</title>
<link rel="icon" href="favicon.ico">
<link rel="apple-touch-icon-precomposed" sizes="76x76" href="assets/img/apple-touch-icon-76x76-precomposed.png">
<link rel="apple-touch-icon-precomposed" sizes="120x120" href="assets/img/apple-touch-icon-120x120-precomposed.png">
<link rel="apple-touch-icon-precomposed" sizes="152x152" href="assets/img/apple-touch-icon-152x152-precomposed.png">
<link rel="apple-touch-icon-precomposed" sizes="180x180" href="assets/img/apple-touch-icon-180x180-precomposed.png">
<link rel="icon" sizes="192x192" href="assets/img/touch-icon-192x192.png">
<meta name="csrf-token" content="$this->sid"/>
<meta name="msapplication-TileImage" content="assets/img/ms-tile-144x144.png">
<meta name="msapplication-TileColor" content="#d40000">
<meta name="msapplication-config" content="none"/>
HTML;
foreach ($this->cssFiles as $path) {
if (parse_url($path, PHP_URL_QUERY) === null) {
$path .= '?'.(int) filemtime($path);
}
echo '<link rel="stylesheet" type="text/css" href="'.htmlspecialchars($path).'" />'."\n";
}
if ($this->styles) {
echo '<style type="text/css">';
echo implode("\n", $this->styles);
echo '</style>';
}
if ($this->jsBefore) {
echo '<script>';
echo implode("\n", $this->jsBefore);
echo '</script>';
}
foreach ($this->jsFiles as $path) {
if (parse_url($path, PHP_URL_QUERY) === null) {
$path .= '?'.(int) filemtime($path);
}
echo '<script src="'.htmlspecialchars($path).'"></script>'."\n";
}
if ($this->js) {
echo '<script>';
echo implode("\n", $this->js);
echo '</script>';
}
echo '</head>'."\n";
return $this;
}
}
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