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<?php |
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|
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class Polylang_Widget extends WP_Widget { |
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function __construct() { |
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$widget_ops = array( 'description' => __( 'Displays a language switcher', 'polylang') ); |
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parent::__construct('polylang', __('Language Switcher', 'polylang'), $widget_ops); |
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} |
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|
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// displays the widget |
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function widget($args, $instance) { |
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extract($args); |
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extract($instance); |
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|
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$title = apply_filters('widget_title', $instance['title'], $instance, $this->id_base); |
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|
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echo "$before_widget\n"; |
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if ($title) |
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echo $before_title . $title . $after_title; |
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do_action('the_languages', $instance); |
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echo "$after_widget\n"; |
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|
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// javascript to switch the language when using a dropdown list |
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// keep the things simple for now as we switch to the posts page |
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if ($dropdown) { |
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$url = home_url('?lang='); |
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$js = " |
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<script type='text/javascript'> |
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var d = document.getElementById('lang_choice'); |
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d.onchange = function() {location.href ='$url'+this.value;} |
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</script>"; |
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|
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echo $js; |
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} |
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} |
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|
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// updates the widget options |
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function update( $new_instance, $old_instance ) { |
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$instance = $old_instance; |
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$new_instance = wp_parse_args( (array) $new_instance, array( 'title' => '', 'show_names' => 1, 'show_flags' => 0, 'dropdown' => 0) ); // default values |
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$instance['title'] = strip_tags($new_instance['title']); |
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$instance['show_names'] = !empty($new_instance['show_names']) ? 1 : 0; |
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$instance['show_flags'] = !empty($new_instance['show_flags']) ? 1 : 0; |
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$instance['dropdown'] = !empty($new_instance['dropdown']) ? 1 : 0; |
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|
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return $instance; |
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} |
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|
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// displays the widget form |
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function form($instance) { |
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$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'show_names' => 1, 'show_flags' => 0, 'dropdown' => 0) ); // default values |
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|
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// title |
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$id = $this->get_field_id('title'); |
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$name = $this->get_field_name('title'); |
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$title = sprintf('<p><label for="%s">%s</label><input class="widefat" id="%s" name="%s" type="text" value="%s" /></p>', |
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$id, __('Title:'), $id, $name, esc_attr($instance['title'])); |
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|
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// language names checkbox |
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$id = $this->get_field_id('show_names'); |
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$name = $this->get_field_name('show_names'); |
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$fields = sprintf('<input type="checkbox" class="checkbox" id="%s" name="%s"%s /> <label for="%s">%s</label><br />', |
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$id, $name, $instance['show_names'] ? 'checked="checked"' : '', $id, __('Display language names', 'polylang')); |
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|
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// flags checkbox |
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$id = $this->get_field_id('show_flags'); |
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$name = $this->get_field_name('show_flags'); |
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$fields .= sprintf('<input type="checkbox" class="checkbox" id="%s" name="%s"%s /> <label for="%s">%s</label><br />', |
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$id, $name, $instance['show_flags'] ? 'checked="checked"' : '', $id, __('Display flags', 'polylang')); |
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|
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// dropdown checkbox |
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$id = $this->get_field_id('dropdown'); |
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$name = $this->get_field_name('dropdown'); |
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$fields .= sprintf('<input type="checkbox" class="checkbox" id="%s" name="%s"%s /> <label for="%s">%s</label><br />', |
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$id, $name, $instance['dropdown'] ? 'checked="checked"' : '', $id, __('Display as dropdown', 'polylang')); |
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|
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echo $title.'<p>'.$fields.'</p>'; |
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} |
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|
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} // Class Polylang_Widget |
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|
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?> |
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