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2 years ago
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2 years ago
Icon_Directory.php
58 lines
| 1 | <?php |
| 2 | |
| 3 | namespace IAWP; |
| 4 | |
| 5 | /** |
| 6 | * Reads a list of icons from a directory allowing them to be searched. Supports defaults. |
| 7 | * @internal |
| 8 | */ |
| 9 | class Icon_Directory |
| 10 | { |
| 11 | private $directory; |
| 12 | private $alt_text; |
| 13 | private $files; |
| 14 | public function __construct(string $directory, string $alt_text) |
| 15 | { |
| 16 | $this->directory = $directory; |
| 17 | $this->alt_text = $alt_text; |
| 18 | $this->files = $this->get_files_in_directory($directory); |
| 19 | } |
| 20 | public function find(string $icon) : string |
| 21 | { |
| 22 | $icon_url = $this->find_icon_url($icon); |
| 23 | if (\is_null($icon_url)) { |
| 24 | return ''; |
| 25 | } |
| 26 | return '<img class="flag" alt="' . \esc_attr($this->alt_text) . '" src="' . $icon_url . '"/>'; |
| 27 | } |
| 28 | private function find_icon_url(string $icon) : ?string |
| 29 | { |
| 30 | $file_name = $this->convert_icon_name_to_file_name($icon); |
| 31 | if (\in_array($file_name, $this->files)) { |
| 32 | return $this->get_url_for_file($file_name); |
| 33 | } |
| 34 | if (\in_array('default.svg', $this->files)) { |
| 35 | return $this->get_url_for_file('default.svg'); |
| 36 | } |
| 37 | return null; |
| 38 | } |
| 39 | private function convert_icon_name_to_file_name(string $string) : string |
| 40 | { |
| 41 | return \str_replace([' ', '/'], '-', \strtolower($string)) . '.svg'; |
| 42 | } |
| 43 | private function get_url_for_file(string $file_name) : string |
| 44 | { |
| 45 | return \IAWPSCOPED\iawp_url_to($this->directory . $file_name) . '?version=' . \IAWP_VERSION; |
| 46 | } |
| 47 | private function get_files_in_directory(string $directory) : array |
| 48 | { |
| 49 | $files = \scandir(\IAWPSCOPED\iawp_path_to($directory)); |
| 50 | if ($files === \false) { |
| 51 | return []; |
| 52 | } |
| 53 | $files = \array_diff($files, ['..', '.']); |
| 54 | $files = \array_values($files); |
| 55 | return $files; |
| 56 | } |
| 57 | } |
| 58 |