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|
<?php
/*
* Based on Evolution Twitter Timeline
* (https://wordpress.org/extend/plugins/evolution-twitter-timeline/)
* For details on Twitter Timelines see:
* - https://twitter.com/settings/widgets
* - https://dev.twitter.com/docs/embedded-timelines
*/
/**
* Register the widget for use in Appearance -> Widgets
*/
add_action( 'widgets_init', 'jetpack_twitter_timeline_widget_init' );
function jetpack_twitter_timeline_widget_init() {
register_widget( 'Jetpack_Twitter_Timeline_Widget' );
}
class Jetpack_Twitter_Timeline_Widget extends WP_Widget {
/**
* Register widget with WordPress.
*/
public function __construct() {
parent::__construct(
'twitter_timeline',
/** This filter is documented in modules/widgets/facebook-likebox.php */
apply_filters( 'jetpack_widget_name', esc_html__( 'Twitter Timeline', 'jetpack' ) ),
array(
'classname' => 'widget_twitter_timeline',
'description' => __( 'Display an official Twitter Embedded Timeline widget.', 'jetpack' ),
'customize_selective_refresh' => true,
)
);
if ( is_active_widget( false, false, $this->id_base ) || is_active_widget( false, false, 'monster' ) || is_customize_preview() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
}
add_action( 'admin_enqueue_scripts', array( $this, 'admin_scripts' ) );
}
/**
* Enqueue scripts.
*/
public function enqueue_scripts() {
wp_enqueue_script( 'jetpack-twitter-timeline' );
}
/**
* Enqueue Twitter's widget library.
*
* @deprecated
*/
public function library() {
_deprecated_function( __METHOD__, '4.0.0' );
wp_print_scripts( array( 'jetpack-twitter-timeline' ) );
}
/**
* Enqueue script to improve admin UI
*/
public function admin_scripts( $hook ) {
// This is still 'widgets.php' when managing widgets via the Customizer.
if ( 'widgets.php' === $hook ) {
wp_enqueue_script(
'twitter-timeline-admin',
Jetpack::get_file_url_for_environment(
'_inc/build/widgets/twitter-timeline-admin.min.js',
'modules/widgets/twitter-timeline-admin.js'
)
);
}
}
/**
* Front-end display of widget.
*
* @see WP_Widget::widget()
*
* @param array $args Widget arguments.
* @param array $instance Saved values from database.
*/
public function widget( $args, $instance ) {
// Twitter deprecated `data-widget-id` on 2018-05-25,
// with cease support deadline on 2018-07-27.
if ( isset( $instance['type'] ) && 'widget-id' === $instance['type'] ) {
if ( current_user_can( 'edit_theme_options' ) ) {
echo $args['before_widget'];
echo $args['before_title'] . esc_html__( 'Twitter Timeline', 'jetpack' ) . $args['after_title'];
echo '<p>' . esc_html__( "The Twitter Timeline widget can't display tweets based on searches or hashtags. To display a simple list of tweets instead, change the Widget ID to a Twitter username. Otherwise, delete this widget.", 'jetpack' ) . '</p>';
echo '<p>' . esc_html__( '(Only administrators will see this message.)', 'jetpack' ) . '</p>';
echo $args['after_widget'];
}
return;
}
$instance['lang'] = substr( strtoupper( get_locale() ), 0, 2 );
echo $args['before_widget'];
$title = isset( $instance['title'] ) ? $instance['title'] : '';
/** This filter is documented in core/src/wp-includes/default-widgets.php */
$title = apply_filters( 'widget_title', $title );
if ( ! empty( $title ) ) {
echo $args['before_title'] . $title . $args['after_title'];
}
if ( isset( $instance['type'] ) && 'widget-id' === $instance['type'] && current_user_can( 'edit_theme_options' ) ) {
echo '<p>' . esc_html__( 'As of July 27, 2018, the Twitter Timeline widget will no longer display tweets based on searches or hashtags. To display a simple list of tweets instead, change the Widget ID to a Twitter username.', 'jetpack' ) . '</p>';
echo '<p>' . esc_html__( '(Only administrators will see this message.)', 'jetpack' ) . '</p>';
}
// Start tag output
// This tag is transformed into the widget markup by Twitter's
// widgets.js code
echo '<a class="twitter-timeline"';
$data_attribs = array(
'width',
'height',
'theme',
'link-color',
'border-color',
'tweet-limit',
'lang',
);
foreach ( $data_attribs as $att ) {
if ( ! empty( $instance[ $att ] ) && ! is_array( $instance[ $att ] ) ) {
echo ' data-' . esc_attr( $att ) . '="' . esc_attr( $instance[ $att ] ) . '"';
}
}
/** This filter is documented in modules/shortcodes/tweet.php */
$partner = apply_filters( 'jetpack_twitter_partner_id', 'jetpack' );
if ( ! empty( $partner ) ) {
echo ' data-partner="' . esc_attr( $partner ) . '"';
}
if ( ! empty( $instance['chrome'] ) && is_array( $instance['chrome'] ) ) {
echo ' data-chrome="' . esc_attr( join( ' ', $instance['chrome'] ) ) . '"';
}
$type = ( isset( $instance['type'] ) ? $instance['type'] : '' );
$widget_id = ( isset( $instance['widget-id'] ) ? $instance['widget-id'] : '' );
switch ( $type ) {
case 'profile':
echo ' href="https://twitter.com/' . esc_attr( $widget_id ) . '"';
break;
case 'widget-id':
default:
echo ' data-widget-id="' . esc_attr( $widget_id ) . '"';
break;
}
echo ' href="https://twitter.com/' . esc_attr( $widget_id ) . '"';
// End tag output
echo '>';
$timeline_placeholder = __( 'My Tweets', 'jetpack' );
/**
* Filter the Timeline placeholder text.
*
* @module widgets
*
* @since 3.4.0
*
* @param string $timeline_placeholder Timeline placeholder text.
*/
$timeline_placeholder = apply_filters( 'jetpack_twitter_timeline_placeholder', $timeline_placeholder );
echo esc_html( $timeline_placeholder ) . '</a>';
// End tag output
echo $args['after_widget'];
/** This action is documented in modules/widgets/gravatar-profile.php */
do_action( 'jetpack_stats_extra', 'widget_view', 'twitter_timeline' );
}
/**
* Sanitize widget form values as they are saved.
*
* @see WP_Widget::update()
*
* @param array $new_instance Values just sent to be saved.
* @param array $old_instance Previously saved values from database.
*
* @return array Updated safe values to be saved.
*/
public function update( $new_instance, $old_instance ) {
$instance = array();
$instance['title'] = sanitize_text_field( $new_instance['title'] );
$width = (int) $new_instance['width'];
if ( $width ) {
// From publish.twitter.com: 220 <= width <= 1200
$instance['width'] = min( max( $width, 220 ), 1200 );
} else {
$instance['width'] = '';
}
$height = (int) $new_instance['height'];
if ( $height ) {
// From publish.twitter.com: height >= 200
$instance['height'] = max( $height, 200 );
} else {
$instance['height'] = '';
}
$tweet_limit = (int) $new_instance['tweet-limit'];
if ( $tweet_limit ) {
$instance['tweet-limit'] = min( max( $tweet_limit, 1 ), 20 );
/**
* A timeline with a specified limit is expanded to the height of those Tweets.
* The specified height value no longer applies, so reject the height value
* when a valid limit is set: a widget attempting to save both limit 5 and
* height 400 would be saved with just limit 5.
*/
$instance['height'] = '';
} else {
$instance['tweet-limit'] = null;
}
// If they entered something that might be a full URL, try to parse it out
if ( is_string( $new_instance['widget-id'] ) ) {
if ( preg_match(
'#https?://twitter\.com/settings/widgets/(\d+)#s',
$new_instance['widget-id'],
$matches
) ) {
$new_instance['widget-id'] = $matches[1];
}
}
$instance['widget-id'] = sanitize_text_field( $new_instance['widget-id'] );
$hex_regex = '/#([a-f]|[A-F]|[0-9]){3}(([a-f]|[A-F]|[0-9]){3})?\b/';
foreach ( array( 'link-color', 'border-color' ) as $color ) {
$new_color = sanitize_text_field( $new_instance[ $color ] );
if ( preg_match( $hex_regex, $new_color ) ) {
$instance[ $color ] = $new_color;
}
}
$instance['type'] = 'profile';
$instance['theme'] = 'light';
if ( in_array( $new_instance['theme'], array( 'light', 'dark' ) ) ) {
$instance['theme'] = $new_instance['theme'];
}
$instance['chrome'] = array();
$chrome_settings = array(
'noheader',
'nofooter',
'noborders',
'transparent',
'noscrollbar',
);
if ( isset( $new_instance['chrome'] ) ) {
foreach ( $new_instance['chrome'] as $chrome ) {
if ( in_array( $chrome, $chrome_settings ) ) {
$instance['chrome'][] = $chrome;
}
}
}
return $instance;
}
/**
* Returns a link to the documentation for a feature of this widget on
* Jetpack or WordPress.com.
*/
public function get_docs_link( $hash = '' ) {
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
$base_url = 'https://support.wordpress.com/widgets/twitter-timeline-widget/';
} else {
$base_url = 'https://jetpack.com/support/extra-sidebar-widgets/twitter-timeline-widget/';
}
return '<a href="' . $base_url . $hash . '" target="_blank">( ? )</a>';
}
/**
* Back end widget form.
*
* @see WP_Widget::form()
*
* @param array $instance Previously saved values from database.
*/
public function form( $instance ) {
$defaults = array(
'title' => esc_html__( 'Follow me on Twitter', 'jetpack' ),
'width' => '',
'height' => '400',
'type' => 'profile',
'widget-id' => '',
'link-color' => '#f96e5b',
'border-color' => '#e8e8e8',
'theme' => 'light',
'chrome' => array(),
'tweet-limit' => null,
);
$instance = wp_parse_args( (array) $instance, $defaults );
if ( 'widget-id' === $instance['type'] ) {
$instance['widget-id'] = '';
}
$instance['type'] = 'profile';
?>
<p>
<label for="<?php echo $this->get_field_id( 'title' ); ?>">
<?php esc_html_e( 'Title:', 'jetpack' ); ?>
</label>
<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'] ); ?>"
/>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'width' ); ?>">
<?php esc_html_e( 'Maximum Width (px; 220 to 1200):', 'jetpack' ); ?>
</label>
<input
class="widefat"
id="<?php echo $this->get_field_id( 'width' ); ?>"
name="<?php echo $this->get_field_name( 'width' ); ?>"
type="number" min="220" max="1200"
value="<?php echo esc_attr( $instance['width'] ); ?>"
/>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'height' ); ?>">
<?php esc_html_e( 'Height (px; at least 200):', 'jetpack' ); ?>
</label>
<input
class="widefat"
id="<?php echo $this->get_field_id( 'height' ); ?>"
name="<?php echo $this->get_field_name( 'height' ); ?>"
type="number" min="200"
value="<?php echo esc_attr( $instance['height'] ); ?>"
/>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'tweet-limit' ); ?>">
<?php esc_html_e( '# of Tweets Shown (1 to 20):', 'jetpack' ); ?>
</label>
<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'] ); ?>"
/>
</p>
<p class="jetpack-twitter-timeline-widget-id-container">
<label for="<?php echo $this->get_field_id( 'widget-id' ); ?>">
<?php esc_html_e( 'Twitter Username:', 'jetpack' ); ?>
<?php echo $this->get_docs_link( '#twitter-username' ); ?>
</label>
<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'] ); ?>"
/>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'chrome-noheader' ); ?>">
<?php esc_html_e( 'Layout Options:', 'jetpack' ); ?>
</label>
<br />
<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 />
<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 />
<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 />
<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 />
<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>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'link-color' ); ?>">
<?php _e( 'Link Color (hex):', 'jetpack' ); ?>
</label>
<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'] ); ?>"
/>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'border-color' ); ?>">
<?php _e( 'Border Color (hex):', 'jetpack' ); ?>
</label>
<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'] ); ?>"
/>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'theme' ); ?>">
<?php _e( 'Timeline Theme:', 'jetpack' ); ?>
</label>
<select
name="<?php echo $this->get_field_name( 'theme' ); ?>"
id="<?php echo $this->get_field_id( 'theme' ); ?>"
class="widefat"
>
<option value="light"<?php selected( $instance['theme'], 'light' ); ?>>
<?php esc_html_e( 'Light', 'jetpack' ); ?>
</option>
<option value="dark"<?php selected( $instance['theme'], 'dark' ); ?>>
<?php esc_html_e( 'Dark', 'jetpack' ); ?>
</option>
</select>
</p>
<?php
}
}
|