126 lines
4 KiB
PHP
126 lines
4 KiB
PHP
<?php
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/**
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* Base class for both admin and frontend
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*
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* @since 1.2
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*/
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abstract class PLL_Base {
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public $links_model, $model, $options;
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/**
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* Constructor
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*
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* @since 1.2
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*
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* @param object $links_model
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*/
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public function __construct( &$links_model ) {
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$this->links_model = &$links_model;
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$this->model = &$links_model->model;
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$this->options = &$this->model->options;
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$GLOBALS['l10n_unloaded']['pll_string'] = true; // Short-circuit _load_textdomain_just_in_time() for 'pll_string' domain in WP 4.6+
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add_action( 'widgets_init', array( $this, 'widgets_init' ) );
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// User defined strings translations
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add_action( 'pll_language_defined', array( $this, 'load_strings_translations' ), 5 );
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add_action( 'change_locale', array( $this, 'load_strings_translations' ) ); // Since WP 4.7
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// Switch_to_blog
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add_action( 'switch_blog', array( $this, 'switch_blog' ), 10, 2 );
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}
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/**
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* Registers our widgets
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*
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* @since 0.1
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*/
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public function widgets_init() {
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register_widget( 'PLL_Widget_Languages' );
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// Overwrites the calendar widget to filter posts by language
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if ( ! defined( 'PLL_WIDGET_CALENDAR' ) || PLL_WIDGET_CALENDAR ) {
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unregister_widget( 'WP_Widget_Calendar' );
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register_widget( 'PLL_Widget_Calendar' );
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}
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}
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/**
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* Loads user defined strings translations
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*
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* @since 1.2
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* @since 2.1.3 $locale parameter added.
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*
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* @param string $locale Locale. Defaults to current locale.
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*/
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public function load_strings_translations( $locale = '' ) {
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if ( empty( $locale ) ) {
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$locale = get_locale();
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}
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$language = $this->model->get_language( $locale );
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if ( ! empty( $language ) ) {
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$mo = new PLL_MO();
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$mo->import_from_db( $language );
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$GLOBALS['l10n']['pll_string'] = &$mo;
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} else {
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unset( $GLOBALS['l10n']['pll_string'] );
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}
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}
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/**
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* Resets some variables when switching blog
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* Applies only if Polylang is active on the new blog
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*
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* @since 1.5.1
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*
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* @param int $new_blog
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* @param int $old_blog
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* @return bool not used by WP but by child class
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*/
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public function switch_blog( $new_blog, $old_blog ) {
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$plugins = ( $sitewide_plugins = get_site_option( 'active_sitewide_plugins' ) ) && is_array( $sitewide_plugins ) ? array_keys( $sitewide_plugins ) : array();
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$plugins = array_merge( $plugins, get_option( 'active_plugins', array() ) );
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// 2nd test needed when Polylang is not networked activated
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// 3rd test needed when Polylang is networked activated and a new site is created
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if ( $new_blog != $old_blog && in_array( POLYLANG_BASENAME, $plugins ) && get_option( 'polylang' ) ) {
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$this->options = get_option( 'polylang' ); // Needed for menus
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$this->links_model = $this->model->get_links_model();
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return true;
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}
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return false;
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}
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/**
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* Some backward compatibility with Polylang < 1.2
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* Allows for example to call $polylang->get_languages_list() instead of $polylang->model->get_languages_list()
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* This works but should be slower than the direct call, thus an error is triggered in debug mode
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*
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* @since 1.2
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*
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* @param string $func function name
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* @param array $args function arguments
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*/
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public function __call( $func, $args ) {
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foreach ( $this as $prop => &$obj ) {
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if ( is_object( $obj ) && method_exists( $obj, $func ) ) {
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if ( WP_DEBUG ) {
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$debug = debug_backtrace();
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$i = 1 + empty( $debug[1]['line'] ); // The file and line are in $debug[2] if the function was called using call_user_func
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trigger_error( sprintf(
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'%1$s was called incorrectly in %3$s on line %4$s: the call to $polylang->%1$s() has been deprecated in Polylang 1.2, use PLL()->%2$s->%1$s() instead.' . "\nError handler",
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$func, $prop, $debug[ $i ]['file'], $debug[ $i ]['line']
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) );
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}
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return call_user_func_array( array( $obj, $func ), $args );
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}
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}
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$debug = debug_backtrace();
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trigger_error( sprintf( 'Call to undefined function PLL()->%1$s() in %2$s on line %3$s' . "\nError handler", $func, $debug[0]['file'], $debug[0]['line'] ), E_USER_ERROR );
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}
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}
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