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<?php |
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/** |
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* Plugin Name: Google Translate Widget for WordPress.com |
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* Plugin URI: http://automattic.com |
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* Description: Add a widget for automatic translation |
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* Author: Artur Piszek |
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* Version: 0.1 |
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* Author URI: http://automattic.com |
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* Text Domain: jetpack |
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*/ |
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class Google_Translate_Widget extends WP_Widget { |
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static $instance = null; |
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/** |
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* Register widget with WordPress. |
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*/ |
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function __construct() { |
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parent::__construct( |
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'google_translate_widget', |
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/** This filter is documented in modules/widgets/facebook-likebox.php */ |
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apply_filters( 'jetpack_widget_name', __( 'Google Translate', 'jetpack' ) ), |
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array( 'description' => __( 'Automatic translation of your site content', 'jetpack' ) ) |
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); |
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wp_register_script( 'google-translate-init', plugins_url( 'google-translate/google-translate.js', __FILE__ ) ); |
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wp_register_script( 'google-translate', '//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit', [ 'google-translate-init' ] ); |
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} |
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/** |
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* Display the Widget. |
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* |
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* @see WP_Widget::widget() |
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* |
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* @param array $args Display arguments. |
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* @param array $instance The settings for the particular instance of the widget. |
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*/ |
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public function widget( $args, $instance ) { |
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// We never should show more than 1 instance of this. |
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if ( null === self::$instance ) { |
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/** This filter is documented in core/src/wp-includes/default-widgets.php */ |
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$title = apply_filters( 'widget_title', $instance['title'] ); |
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echo $args['before_widget']; |
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if ( ! empty( $title ) ) { |
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echo $args['before_title'] . esc_html( $title ) . $args['after_title']; |
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} |
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wp_localize_script( 'google-translate-init', '_wp_google_translate_widget', array( 'lang' => get_locale() ) ); |
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wp_enqueue_script( 'google-translate-init' ); |
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wp_enqueue_script( 'google-translate' ); |
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echo '<div id="google_translate_element"></div>'; |
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echo $args['after_widget']; |
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self::$instance = $instance; |
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// Admin bar is also displayed on top of the site which causes google translate bar to hide beneath. |
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// This is a hack to show google translate bar a bit lower. |
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if ( is_admin_bar_showing() ) { |
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echo '<style>.goog-te-banner-frame { top:32px !important } </style>'; |
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} |
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/** This action is documented in modules/widgets/gravatar-profile.php */ |
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do_action( 'jetpack_stats_extra', 'widget_view', 'google-translate' ); |
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} |
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} |
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/** |
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* Widget form in the dashboard. |
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* |
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* @see WP_Widget::form() |
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* |
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* @param array $instance Previously saved values from database. |
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*/ |
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public function form( $instance ) { |
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if ( isset( $instance['title'] ) ) { |
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$title = $instance['title']; |
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} else { |
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$title = ''; |
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} |
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?> |
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<p> |
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<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title:', 'jetpack' ); ?></label> |
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<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /> |
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</p> |
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<?php |
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} |
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/** |
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* Sanitize widget form values as they are saved. |
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* |
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* @see WP_Widget::update() |
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* |
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* @param array $new_instance Values just sent to be saved. |
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* @param array $old_instance Previously saved values from database. |
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* |
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* @return array $instance Updated safe values to be saved. |
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*/ |
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public function update( $new_instance, $old_instance ) { |
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$instance = array(); |
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$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : ''; |
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return $instance; |
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} |
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} |
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/** |
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* Register the widget for use in Appearance -> Widgets. |
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*/ |
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function jetpack_google_translate_widget_init() { |
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register_widget( 'Google_Translate_Widget' ); |
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} |
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add_action( 'widgets_init', 'jetpack_google_translate_widget_init' ); |
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Automattic /
jetpack
The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using
the property is implicitly global.
To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2.