miteruzo
98 lines
2.5 KiB
PHP
98 lines
2.5 KiB
PHP
<?php
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/**
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* SVG PHP Helper
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*
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* Based on https://github.com/chteuchteu/MaterialDesignIcons-PHP
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*
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* @author Giuseppe Di Terlizzi <giuseppe.diterlizzi@gmail.com>
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* @license MIT, GPLv2
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*/
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namespace dokuwiki\template\bootstrap3;
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class SVG
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{
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public static $iconsPath;
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public static $defaultAttributes = array();
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/**
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* Add icon
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*
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* @param string $icon Icon name or full path
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* @param string $class Icon Class
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* @param int $size Icon size
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* @param array $attrs Icon attributes
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*
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* @return string
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*/
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public static function icon($icon, $class = null, $size = 24, $attrs = array())
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{
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// Find the icon, ensure it exists
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if (file_exists($icon)) {
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$file_path = $icon;
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} else {
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$file_path = self::$iconsPath . $icon . '.svg';
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}
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if (!is_file($file_path)) {
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msg(sprintf('Unrecognized icon "%s" (svg file "%s" does not exist).', $icon, $file_path), -1);
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return false;
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}
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// Read the file
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$svg = file_get_contents($file_path);
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// Only keep the <path d="..." /> part
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// Old REGEX: (<path d=".+" \/>)
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if (preg_match('/((<path\b([\s\S]*?)\/>)|(<path\b([\s\S]*?)><\/path>))/', $svg, $matches) !== 1) {
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msg(sprintf('"%s" could not be recognized as an icon file', $file_path), -1);
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return false;
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}
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$svg = $matches[1];
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// Add some (clean) attributes
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$attributes = array_merge(
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array(
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'viewBox' => '0 0 24 24',
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'xmlns' => 'http://www.w3.org/2000/svg',
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'width' => $size,
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'height' => $size,
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'role' => 'presentation',
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),
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self::$defaultAttributes,
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$attrs
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);
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if ($class !== null) {
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$attributes['class'] = $class;
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}
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// Remove possibly empty-ish attributes (self::$defaultAttributes or $attrs may contain null values)
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$attributes = array_filter($attributes);
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return sprintf(
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'<svg %s>%s</svg>',
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self::attributes($attributes),
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$svg
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);
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}
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/**
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* Turns a 1-dimension array into an HTML-ready attributes set.
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*/
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private static function attributes($attrs = array())
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{
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return implode(' ', array_map(
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function ($val, $key) {
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return $key . '="' . htmlspecialchars($val) . '"';
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},
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$attrs,
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array_keys($attrs)
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));
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}
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}
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