265 lines
12 KiB
PHP
265 lines
12 KiB
PHP
<?php
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/*
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* Based on Evolution Twitter Timeline (http://wordpress.org/extend/plugins/evolution-twitter-timeline/)
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* See: https://twitter.com/settings/widgets and https://dev.twitter.com/docs/embedded-timelines for details on Twitter Timelines
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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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add_action( 'widgets_init', 'jetpack_twitter_timeline_widget_init' );
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function jetpack_twitter_timeline_widget_init() {
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register_widget( 'Jetpack_Twitter_Timeline_Widget' );
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}
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class Jetpack_Twitter_Timeline_Widget extends WP_Widget {
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/**
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* Register widget with WordPress.
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*/
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public function __construct() {
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parent::__construct(
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'twitter_timeline',
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/** This filter is documented in modules/widgets/facebook-likebox.php */
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apply_filters( 'jetpack_widget_name', esc_html__( 'Twitter Timeline', 'jetpack' ) ),
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array(
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'classname' => 'widget_twitter_timeline',
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'description' => __( 'Display an official Twitter Embedded Timeline widget.', 'jetpack' ),
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'customize_selective_refresh' => true,
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)
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);
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if ( is_active_widget( false, false, $this->id_base ) || is_active_widget( false, false, 'monster' ) || is_customize_preview() ) {
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
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}
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}
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/**
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* Enqueue scripts.
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*/
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public function enqueue_scripts() {
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wp_enqueue_script( 'jetpack-twitter-timeline' );
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}
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/**
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* Enqueue Twitter's widget library.
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*
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* @deprecated
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*/
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public function library() {
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_deprecated_function( __METHOD__, '4.0.0' );
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wp_print_scripts( array( 'jetpack-twitter-timeline' ) );
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}
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/**
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* Front-end display of widget.
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*
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* @see WP_Widget::widget()
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*
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* @param array $args Widget arguments.
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* @param array $instance Saved values from database.
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*/
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public function widget( $args, $instance ) {
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$instance['lang'] = substr( strtoupper( get_locale() ), 0, 2 );
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echo $args['before_widget'];
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if ( $instance['title'] ) {
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/** This filter is documented in core/src/wp-includes/default-widgets.php */
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echo $args['before_title'] . apply_filters( 'widget_title', $instance['title'] ) . $args['after_title'];
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}
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$data_attribs = array( 'widget-id', 'theme', 'link-color', 'border-color', 'chrome', 'tweet-limit' );
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$attribs = array( 'width', 'height', 'lang' );
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// Start tag output
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echo '<a class="twitter-timeline"';
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foreach ( $data_attribs as $att ) {
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if ( !empty( $instance[$att] ) ) {
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if ( 'tweet-limit' == $att && 0 === $instance[$att] )
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continue;
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if ( is_array( $instance[$att] ) )
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echo ' data-' . esc_attr( $att ) . '="' . esc_attr( join( ' ', $instance['chrome'] ) ) . '"';
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else
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echo ' data-' . esc_attr( $att ) . '="' . esc_attr( $instance[$att] ) . '"';
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}
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}
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foreach ( $attribs as $att ) {
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if ( !empty( $instance[$att] ) )
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echo ' ' . esc_attr( $att ) . '="' . esc_attr( $instance[$att] ) . '"';
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}
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echo '>';
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$timeline_placeholder = __( 'My Tweets', 'jetpack' );
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/**
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* Filter the Timeline placeholder text.
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*
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* @module widgets
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*
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* @since 3.4.0
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*
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* @param string $timeline_placeholder Timeline placeholder text.
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*/
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$timeline_placeholder = apply_filters( 'jetpack_twitter_timeline_placeholder', $timeline_placeholder );
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echo esc_html( $timeline_placeholder ) . '</a>';
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// End tag output
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echo $args['after_widget'];
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/** This action is documented in modules/widgets/social-media-icons.php */
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do_action( 'jetpack_bump_stats_extras', 'widget', 'twitter_timeline' );
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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 Updated safe values to be saved.
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*/
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public function update( $new_instance, $old_instance ) {
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$hex_regex = '/#([a-f]|[A-F]|[0-9]){3}(([a-f]|[A-F]|[0-9]){3})?\b/';
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$instance = array();
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$instance['title'] = sanitize_text_field( $new_instance['title'] );
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$instance['width'] = (int) $new_instance['width'];
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$instance['height'] = (int) $new_instance['height'];
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$instance['width'] = ( 0 !== (int) $new_instance['width'] ) ? (int) $new_instance['width'] : '';
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$instance['height'] = ( 0 !== (int) $new_instance['height'] ) ? (int) $new_instance['height'] : '';
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$instance['tweet-limit'] = ( 0 !== (int) $new_instance['tweet-limit'] ) ? (int) $new_instance['tweet-limit'] : null;
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// If they entered something that might be a full URL, try to parse it out
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if ( is_string( $new_instance['widget-id'] ) ) {
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if ( preg_match( '#https?://twitter\.com/settings/widgets/(\d+)#s', $new_instance['widget-id'], $matches ) ) {
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$new_instance['widget-id'] = $matches[1];
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}
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}
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$instance['widget-id'] = sanitize_text_field( $new_instance['widget-id'] );
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$instance['widget-id'] = is_numeric( $instance['widget-id'] ) ? $instance['widget-id'] : '';
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foreach ( array( 'link-color', 'border-color' ) as $color ) {
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$new_color = sanitize_text_field( $new_instance[$color] );
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if ( preg_match( $hex_regex, $new_color ) ) {
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$instance[$color] = $new_color;
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}
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}
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$instance['theme'] = 'light';
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if ( in_array( $new_instance['theme'], array( 'light', 'dark' ) ) )
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$instance['theme'] = $new_instance['theme'];
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$instance['chrome'] = array();
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if ( isset( $new_instance['chrome'] ) ) {
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foreach ( $new_instance['chrome'] as $chrome ) {
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if ( in_array( $chrome, array( 'noheader', 'nofooter', 'noborders', 'noscrollbar', 'transparent' ) ) ) {
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$instance['chrome'][] = $chrome;
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}
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}
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}
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return $instance;
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}
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/**
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* Back-end widget form.
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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( $instance ) {
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$defaults = array(
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'title' => esc_html__( 'Follow me on Twitter', 'jetpack' ),
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'width' => '',
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'height' => '400',
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'widget-id' => '',
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'link-color' => '#f96e5b',
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'border-color' => '#e8e8e8',
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'theme' => 'light',
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'chrome' => array(),
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'tweet-limit' => null,
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);
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$instance = wp_parse_args( (array) $instance, $defaults );
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?>
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<p>
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<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php esc_html_e( 'Title:', 'jetpack' ); ?></label>
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<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" />
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'width' ); ?>"><?php esc_html_e( 'Maximum Width (px):', 'jetpack' ); ?></label>
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<input class="widefat" id="<?php echo $this->get_field_id( 'width' ); ?>" name="<?php echo $this->get_field_name( 'width' ); ?>" type="text" value="<?php echo esc_attr( $instance['width'] ); ?>" />
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'height' ); ?>"><?php esc_html_e( 'Height (px):', 'jetpack' ); ?></label>
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<input class="widefat" id="<?php echo $this->get_field_id( 'height' ); ?>" name="<?php echo $this->get_field_name( 'height' ); ?>" type="text" value="<?php echo esc_attr( $instance['height'] ); ?>" />
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'tweet-limit' ); ?>"><?php esc_html_e( '# of Tweets Shown:', 'jetpack' ); ?></label>
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<input class="widefat" id="<?php echo $this->get_field_id( 'tweet-limit' ); ?>" name="<?php echo $this->get_field_name( 'tweet-limit' ); ?>" type="number" min="1" max="20" value="<?php echo esc_attr( $instance['tweet-limit'] ); ?>" />
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</p>
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<p><small>
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<?php
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echo wp_kses_post(
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sprintf(
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__( 'You need to <a href="%1$s" target="_blank">create a widget at Twitter.com</a>, and then enter your widget id (the long number found in the URL of your widget\'s config page) in the field below. <a href="%2$s" target="_blank">Read more</a>.', 'jetpack' ),
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'https://twitter.com/settings/widgets/new/user',
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'http://support.wordpress.com/widgets/twitter-timeline-widget/'
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)
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);
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?>
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</small></p>
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<p>
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<label for="<?php echo $this->get_field_id( 'widget-id' ); ?>"><?php esc_html_e( 'Widget ID:', 'jetpack' ); ?> <a href="http://support.wordpress.com/widgets/twitter-timeline-widget/#widget-id" target="_blank">( ? )</a></label>
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<input class="widefat" id="<?php echo $this->get_field_id( 'widget-id' ); ?>" name="<?php echo $this->get_field_name( 'widget-id' ); ?>" type="text" value="<?php echo esc_attr( $instance['widget-id'] ); ?>" />
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'chrome-noheader' ); ?>"><?php esc_html_e( 'Layout Options:', 'jetpack' ); ?></label><br />
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<input type="checkbox"<?php checked( in_array( 'noheader', $instance['chrome'] ) ); ?> id="<?php echo $this->get_field_id( 'chrome-noheader' ); ?>" name="<?php echo $this->get_field_name( 'chrome' ); ?>[]" value="noheader" /> <label for="<?php echo $this->get_field_id( 'chrome-noheader' ); ?>"><?php esc_html_e( 'No Header', 'jetpack' ); ?></label><br />
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<input type="checkbox"<?php checked( in_array( 'nofooter', $instance['chrome'] ) ); ?> id="<?php echo $this->get_field_id( 'chrome-nofooter' ); ?>" name="<?php echo $this->get_field_name( 'chrome' ); ?>[]" value="nofooter" /> <label for="<?php echo $this->get_field_id( 'chrome-nofooter' ); ?>"><?php esc_html_e( 'No Footer', 'jetpack' ); ?></label><br />
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<input type="checkbox"<?php checked( in_array( 'noborders', $instance['chrome'] ) ); ?> id="<?php echo $this->get_field_id( 'chrome-noborders' ); ?>" name="<?php echo $this->get_field_name( 'chrome' ); ?>[]" value="noborders" /> <label for="<?php echo $this->get_field_id( 'chrome-noborders' ); ?>"><?php esc_html_e( 'No Borders', 'jetpack' ); ?></label><br />
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<input type="checkbox"<?php checked( in_array( 'noscrollbar', $instance['chrome'] ) ); ?> id="<?php echo $this->get_field_id( 'chrome-noscrollbar' ); ?>" name="<?php echo $this->get_field_name( 'chrome' ); ?>[]" value="noscrollbar" /> <label for="<?php echo $this->get_field_id( 'chrome-noscrollbar' ); ?>"><?php esc_html_e( 'No Scrollbar', 'jetpack' ); ?></label><br />
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<input type="checkbox"<?php checked( in_array( 'transparent', $instance['chrome'] ) ); ?> id="<?php echo $this->get_field_id( 'chrome-transparent' ); ?>" name="<?php echo $this->get_field_name( 'chrome' ); ?>[]" value="transparent" /> <label for="<?php echo $this->get_field_id( 'chrome-transparent' ); ?>"><?php esc_html_e( 'Transparent Background', 'jetpack' ); ?></label>
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'link-color' ); ?>"><?php _e( 'Link Color (hex):', 'jetpack' ); ?></label>
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<input class="widefat" id="<?php echo $this->get_field_id( 'link-color' ); ?>" name="<?php echo $this->get_field_name( 'link-color' ); ?>" type="text" value="<?php echo esc_attr( $instance['link-color'] ); ?>" />
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'border-color' ); ?>"><?php _e( 'Border Color (hex):', 'jetpack' ); ?></label>
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<input class="widefat" id="<?php echo $this->get_field_id( 'border-color' ); ?>" name="<?php echo $this->get_field_name( 'border-color' ); ?>" type="text" value="<?php echo esc_attr( $instance['border-color'] ); ?>" />
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'theme' ); ?>"><?php _e( 'Timeline Theme:', 'jetpack' ); ?></label>
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<select name="<?php echo $this->get_field_name( 'theme' ); ?>" id="<?php echo $this->get_field_id( 'theme' ); ?>" class="widefat">
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<option value="light"<?php selected( $instance['theme'], 'light' ); ?>><?php esc_html_e( 'Light', 'jetpack' ); ?></option>
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<option value="dark"<?php selected( $instance['theme'], 'dark' ); ?>><?php esc_html_e( 'Dark', 'jetpack' ); ?></option>
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</select>
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</p>
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<?php
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}
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}
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