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<?php |
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|
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/* |
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* a language object is made of two terms in 'language' and 'term_language' taxonomies |
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* manipulating only one object per language instead of two terms should make things easier |
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* |
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* properties: |
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* term_id => id of term in 'language' taxonomy |
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* name => language name. Ex: English |
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* slug => language code used in url. Ex: en |
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* term_group => order of the language when displayed in a list of languages |
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* term_taxonomy_id => term taxonomy id in 'language' taxonomy |
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* taxonomy => 'language' |
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* description => language locale for backward compatibility |
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* parent => 0 / not used |
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* count => number of posts and pages in that language |
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* tl_term_id => id of the term in 'term_language' taxonomy |
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* tl_term_taxonomy_id => term taxonomy id in 'term_language' taxonomy |
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* tl_count => number of terms in that language (not used by Polylang) |
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* locale => language locale. Ex: en_US |
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* is_rtl => 1 if the language is rtl |
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* flag_url => url of the flag |
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* flag => html img of the flag |
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* home_url => home url in this language |
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* search_url => home url to use in search forms |
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* |
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* @since 1.2 |
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*/ |
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class PLL_Language { |
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|
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/* |
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* constructor: builds a language object given its two corresponding terms in language and term_language taxonomies |
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* |
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* @since 1.2 |
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* |
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* @param object $language 'language' term |
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* @param object $term_language corresponding 'term_language' term |
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*/ |
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public function __construct($language, $term_language) { |
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foreach ($language as $prop => $value) |
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$this->$prop = in_array($prop, array('term_id', 'term_taxonomy_id', 'count')) ? (int) $language->$prop : $language->$prop; |
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|
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// although it would be convenient here, don't assume the term is shared between taxonomies as it may not be the case in future |
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// http://make.wordpress.org/core/2013/07/28/potential-roadmap-for-taxonomy-meta-and-post-relationships/ |
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$this->tl_term_id = (int) $term_language->term_id; |
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$this->tl_term_taxonomy_id = (int) $term_language->term_taxonomy_id; |
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$this->tl_count = (int) $term_language->count; |
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|
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$description = maybe_unserialize($language->description); |
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$this->locale = $description['locale']; |
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$this->is_rtl = $description['rtl']; |
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|
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$this->description = &$this->locale; // backward compatibility with Polylang < 1.2 |
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} |
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|
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/* |
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* sets flag_url and flag properties |
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* |
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* @since 1.2 |
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*/ |
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public function set_flag() { |
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if (file_exists(POLYLANG_DIR.($file = '/flags/'.$this->locale.'.png'))) |
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$url = POLYLANG_URL.$file; |
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|
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// overwrite with custom flags |
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// never use custom flags on admin side |
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if (!PLL_ADMIN && ( file_exists(PLL_LOCAL_DIR.($file = '/'.$this->locale.'.png')) || file_exists(PLL_LOCAL_DIR.($file = '/'.$this->locale.'.jpg')) )) |
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$url = PLL_LOCAL_URL.$file; |
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|
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$this->flag_url = empty($url) ? '' : esc_url($url); |
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|
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$this->flag = apply_filters('pll_get_flag', empty($this->flag_url) ? '' : |
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sprintf( |
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'<img src="%s" title="%s" alt="%s" />', |
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esc_url($this->flag_url), |
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esc_attr(apply_filters('pll_flag_title', $this->name, $this->slug, $this->locale)), |
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esc_attr($this->name) |
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)); |
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} |
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|
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/* |
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* updates post and term count |
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* |
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* @since 1.2 |
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*/ |
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public function update_count() { |
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wp_update_term_count($this->term_taxonomy_id, 'language'); // posts count |
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wp_update_term_count($this->tl_term_taxonomy_id, 'term_language'); // terms count |
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} |
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|
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/* |
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* set home_url and search_url properties |
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* |
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* @since 1.3 |
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* |
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*/ |
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public function set_home_url() { |
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$options = get_option('polylang'); |
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|
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if ($options['default_lang'] == $this->slug && $options['hide_default']) |
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return $this->home_url = $this->search_url = trailingslashit(get_option('home')); |
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|
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// a static page is used as front page : /!\ don't use get_page_link to avoid infinite loop |
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// don't use this for search form |
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if (!$options['redirect_lang'] && ($page_on_front = get_option('page_on_front')) && $id = pll_get_post($page_on_front, $this)) |
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$this->home_url = _get_page_link($id); |
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|
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$link = get_term_link($this, 'language'); |
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|
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// add a trailing slash as done by WP on homepage (otherwise could break the search form when the permalink structure does not include one) |
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// only for pretty permalinks |
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$this->search_url = get_option('using_permalinks') ? trailingslashit($link) : $link; |
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|
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$this->home_url = empty($this->home_url) ? $this->search_url : $this->home_url; |
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} |
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} |
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