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1 | <?php |
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2 | /** |
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3 | * Internationalization helper. |
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4 | * |
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5 | * @package Kirki |
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6 | * @category Core |
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7 | * @author Aristeides Stathopoulos |
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8 | * @copyright Copyright (c) 2017, Aristeides Stathopoulos |
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9 | * @license https://opensource.org/licenses/MIT |
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10 | * @since 1.0 |
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11 | */ |
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12 | |||
13 | /** |
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14 | * Handles translations |
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15 | */ |
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16 | class Kirki_L10n { |
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17 | |||
18 | /** |
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19 | * The plugin textdomain |
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20 | * |
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21 | * @access private |
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22 | * @var string |
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23 | */ |
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24 | private $textdomain = 'kirki'; |
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25 | |||
26 | /** |
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27 | * The theme textdomain |
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28 | * |
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29 | * @access private |
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30 | * @var string |
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31 | */ |
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32 | private $theme_textdomain = ''; |
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33 | |||
34 | /** |
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35 | * The class constructor. |
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36 | * Adds actions & filters to handle the rest of the methods. |
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37 | * |
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38 | * @access public |
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39 | */ |
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40 | public function __construct() { |
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41 | |||
42 | // If Kirki is installed as a plugin, load the texdomain. |
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43 | if ( Kirki_Util::is_plugin() ) { |
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44 | add_action( 'plugins_loaded', array( $this, 'load_textdomain' ) ); |
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45 | return; |
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46 | } |
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47 | |||
48 | // If we got this far, then Kirki is embedded in a plugin. |
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49 | // We want the theme's textdomain to handle translations. |
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50 | add_filter( 'override_load_textdomain', array( $this, 'override_load_textdomain' ), 5, 3 ); |
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51 | } |
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52 | |||
53 | /** |
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54 | * Load the plugin textdomain |
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55 | * |
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56 | * @access public |
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57 | */ |
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58 | public function load_textdomain() { |
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59 | if ( null !== $this->get_path() ) { |
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60 | load_textdomain( $this->textdomain, $this->get_path() ); |
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61 | } |
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62 | load_plugin_textdomain( $this->textdomain, false, Kirki::$path . '/languages' ); |
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63 | } |
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64 | |||
65 | /** |
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66 | * Gets the path to a translation file. |
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67 | * |
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68 | * @access protected |
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69 | * @return string Absolute path to the translation file. |
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70 | */ |
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71 | protected function get_path() { |
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72 | $path_found = false; |
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73 | $found_path = null; |
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74 | foreach ( $this->get_paths() as $path ) { |
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75 | if ( $path_found ) { |
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76 | continue; |
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77 | } |
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78 | $path = wp_normalize_path( $path ); |
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79 | if ( file_exists( $path ) ) { |
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80 | $path_found = true; |
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81 | $found_path = $path; |
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82 | } |
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83 | } |
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84 | return $found_path; |
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85 | } |
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86 | |||
87 | /** |
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88 | * Returns an array of paths where translation files may be located. |
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89 | * |
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90 | * @access protected |
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91 | * @return array |
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92 | */ |
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93 | protected function get_paths() { |
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94 | return array( |
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95 | WP_LANG_DIR . '/' . $this->textdomain . '-' . get_locale() . '.mo', |
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96 | Kirki::$path . '/languages/' . $this->textdomain . '-' . get_locale() . '.mo', |
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97 | ); |
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98 | } |
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99 | |||
100 | /** |
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101 | * Allows overriding the "kirki" textdomain from a theme. |
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102 | * |
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103 | * @since 3.0.12 |
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104 | * @access public |
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105 | * @param bool $override Whether to override the .mo file loading. Default false. |
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106 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
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107 | * @param string $mofile Path to the MO file. |
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108 | * @return bool |
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109 | */ |
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110 | public function override_load_textdomain( $override, $domain, $mofile ) { |
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111 | global $l10n; |
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112 | if ( isset( $l10n[ $this->get_theme_textdomain() ] ) ) { |
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113 | $l10n['kirki'] = $l10n[ $this->get_theme_textdomain() ]; // phpcs:ignore WordPress.WP.GlobalVariablesOverride.OverrideProhibited |
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114 | } |
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115 | |||
116 | // Check if the domain is "kirki". |
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117 | if ( 'kirki' === $domain ) { |
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118 | return true; |
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119 | } |
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120 | return $override; |
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121 | } |
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122 | |||
123 | /** |
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124 | * Get the theme's textdomain. |
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125 | * |
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126 | * @since 3.0.12 |
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127 | * @access private |
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128 | * @return string |
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129 | */ |
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130 | private function get_theme_textdomain() { |
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131 | if ( '' === $this->theme_textdomain ) { |
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132 | |||
133 | // Get the textdomain. |
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134 | $theme = wp_get_theme(); |
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135 | $this->theme_textdomain = $theme->get( 'TextDomain' ); |
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136 | |||
137 | // If no texdomain was found, use the template folder name. |
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138 | if ( ! $this->theme_textdomain ) { |
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139 | $this->theme_textdomain = get_template(); |
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140 | } |
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141 | } |
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142 | return $this->theme_textdomain; |
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143 | } |
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144 | } |
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145 |