/wp-content/plugins/jetpack/modules/widgets/image-widget.php
PHP | 244 lines | 170 code | 27 blank | 47 comment | 33 complexity | 95f5705535ef41fba6a4640292e3934e MD5 | raw file
- <?php
- /**
- * Module Name: Image Widget
- * Module Description: Easily add images to your theme's sidebar.
- * Sort Order: 20
- * First Introduced: 1.2
- */
- /**
- * Register the widget for use in Appearance -> Widgets
- */
- add_action( 'widgets_init', 'jetpack_image_widget_init' );
- function jetpack_image_widget_init() {
- register_widget( 'Jetpack_Image_Widget' );
- }
- class Jetpack_Image_Widget extends WP_Widget {
- /**
- * Register widget with WordPress.
- */
- public function __construct() {
- parent::__construct(
- 'image',
- /** This filter is documented in modules/widgets/facebook-likebox.php */
- apply_filters( 'jetpack_widget_name', esc_html__( 'Image', 'jetpack' ) ),
- array(
- 'classname' => 'widget_image',
- 'description' => __( 'Display an image in your sidebar', 'jetpack' )
- )
- );
- if ( is_active_widget( false, false, $this->id_base ) || is_active_widget( false, false, 'monster' ) ) {
- add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) );
- }
- }
- /**
- * Loads file for front-end widget style.
- *
- * @uses wp_enqueue_style(), plugins_url()
- */
- public function enqueue_style() {
- wp_enqueue_style( 'jetpack_image_widget', plugins_url( 'image-widget/style.css', __FILE__ ), array(), '20140808' );
- }
- /**
- * 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 ) {
- echo $args['before_widget'];
- $instance = wp_parse_args( $instance, array(
- 'title' => '',
- 'img_url' => ''
- ) );
- /** This filter is documented in core/src/wp-includes/default-widgets.php */
- $title = apply_filters( 'widget_title', $instance['title'] );
- if ( $title ) {
- echo $args['before_title'] . esc_html( $title ) . $args['after_title'];
- }
- if ( '' != $instance['img_url'] ) {
- $output = '<img src="' . esc_attr( $instance['img_url'] ) .'" ';
- if ( '' != $instance['alt_text'] ) {
- $output .= 'alt="' . esc_attr( $instance['alt_text'] ) .'" ';
- }
- if ( '' != $instance['img_title'] ) {
- $output .= 'title="' . esc_attr( $instance['img_title'] ) .'" ';
- }
- if ( '' == $instance['caption'] ) {
- $output .= 'class="align' . esc_attr( $instance['align'] ) . '" ';
- }
- if ( '' != $instance['img_width'] ) {
- $output .= 'width="' . esc_attr( $instance['img_width'] ) .'" ';
- }
- if ( '' != $instance['img_height'] ) {
- $output .= 'height="' . esc_attr( $instance['img_height'] ) .'" ';
- }
- $output .= '/>';
- if ( '' != $instance['link'] && ! empty( $instance['link_target_blank'] ) ) {
- $output = '<a target="_blank" href="' . esc_attr( $instance['link'] ) . '">' . $output . '</a>';
- }
- if ( '' != $instance['link'] && empty( $instance['link_target_blank'] ) ) {
- $output = '<a href="' . esc_attr( $instance['link'] ) . '">' . $output . '</a>';
- }
- if ( '' != $instance['caption'] ) {
- /** This filter is documented in core/src/wp-includes/default-widgets.php */
- $caption = apply_filters( 'widget_text', $instance['caption'] );
- $img_width = ( ! empty( $instance['img_width'] ) ? 'style="width: ' . esc_attr( $instance['img_width'] ) .'px"' : '' );
- $output = '<figure ' . $img_width .' class="wp-caption align' . esc_attr( $instance['align'] ) . '">
- ' . $output . '
- <figcaption class="wp-caption-text">' . $caption . '</figcaption>
- </figure>'; // wp_kses_post caption on update
- }
- echo '<div class="jetpack-image-container">' . do_shortcode( $output ) . '</div>';
- }
- echo "\n" . $args['after_widget'];
- }
- /**
- * 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 ) {
- $allowed_caption_html = array(
- 'a' => array(
- 'href' => array(),
- 'title' => array(),
- ),
- 'b' => array(),
- 'em' => array(),
- 'i' => array(),
- 'p' => array(),
- 'strong' => array()
- );
- $instance = $old_instance;
- $instance['title'] = strip_tags( $new_instance['title'] );
- $instance['img_url'] = esc_url( $new_instance['img_url'], null, 'display' );
- $instance['alt_text'] = strip_tags( $new_instance['alt_text'] );
- $instance['img_title'] = strip_tags( $new_instance['img_title'] );
- $instance['caption'] = wp_kses( stripslashes($new_instance['caption'] ), $allowed_caption_html );
- $instance['align'] = $new_instance['align'];
- $instance['img_width'] = absint( $new_instance['img_width'] );
- $instance['img_height'] = absint( $new_instance['img_height'] );
- $instance['link'] = esc_url( $new_instance['link'], null, 'display' );
- $instance['link_target_blank'] = isset( $new_instance['link_target_blank'] ) ? (bool) $new_instance['link_target_blank'] : false;
- return $instance;
- }
- /**
- * Back-end widget form.
- *
- * @see WP_Widget::form()
- *
- * @param array $instance Previously saved values from database.
- */
- public function form( $instance ) {
- // Defaults
- $instance = wp_parse_args( (array) $instance, array( 'title' => '', 'img_url' => '', 'alt_text' => '', 'img_title' => '', 'caption' => '', 'align' => 'none', 'img_width' => '', 'img_height' => '', 'link' => '', 'link_target_blank' => false ) );
- $title = esc_attr( $instance['title'] );
- $img_url = esc_url( $instance['img_url'], null, 'display' );
- $alt_text = esc_attr( $instance['alt_text'] );
- $img_title = esc_attr( $instance['img_title'] );
- $caption = esc_textarea( $instance['caption'] );
- $align = esc_attr( $instance['align'] );
- $img_width = esc_attr( $instance['img_width'] );
- $img_height = esc_attr( $instance['img_height'] );
- $link_target_blank = checked( $instance['link_target_blank'], true, false );
- if ( !empty( $instance['img_url'] ) ) {
- // Download the url to a local temp file and then process it with getimagesize so we can optimize browser layout
- $tmp_file = download_url( $instance['img_url'], 10 );
- if ( ! is_wp_error( $tmp_file ) ) {
- $size = getimagesize( $tmp_file );
- if ( '' == $instance['img_width'] ) {
- $width = $size[0];
- $img_width = $width;
- } else {
- $img_width = absint( $instance['img_width'] );
- }
- if ( '' == $instance['img_height'] ) {
- $height = $size[1];
- $img_height = $height;
- } else {
- $img_height = absint( $instance['img_height'] );
- }
- unlink( $tmp_file );
- }
- }
- $link = esc_url( $instance['link'], null, 'display' );
- echo '<p><label for="' . $this->get_field_id( 'title' ) . '">' . esc_html__( 'Widget title:', 'jetpack' ) . '
- <input class="widefat" id="' . $this->get_field_id( 'title' ) . '" name="' . $this->get_field_name( 'title' ) . '" type="text" value="' . $title . '" />
- </label></p>
- <p><label for="' . $this->get_field_id( 'img_url' ) . '">' . esc_html__( 'Image URL:', 'jetpack' ) . '
- <input class="widefat" id="' . $this->get_field_id( 'img_url' ) . '" name="' . $this->get_field_name( 'img_url' ) . '" type="text" value="' . $img_url . '" />
- </label></p>
- <p><label for="' . $this->get_field_id( 'alt_text' ) . '">' . esc_html__( 'Alternate text:', 'jetpack' ) . ' <a href="http://support.wordpress.com/widgets/image-widget/#image-widget-alt-text" target="_blank">( ? )</a>
- <input class="widefat" id="' . $this->get_field_id( 'alt_text' ) . '" name="' . $this->get_field_name( 'alt_text' ) . '" type="text" value="' . $alt_text . '" />
- </label></p>
- <p><label for="' . $this->get_field_id( 'img_title' ) . '">' . esc_html__( 'Image title:', 'jetpack' ) . ' <a href="http://support.wordpress.com/widgets/image-widget/#image-widget-title" target="_blank">( ? )</a>
- <input class="widefat" id="' . $this->get_field_id( 'img_title' ) . '" name="' . $this->get_field_name( 'img_title' ) . '" type="text" value="' . $img_title . '" />
- </label></p>
- <p><label for="' . $this->get_field_id( 'caption' ) . '">' . esc_html__( 'Caption:', 'jetpack' ) . ' <a href="http://support.wordpress.com/widgets/image-widget/#image-widget-caption" target="_blank">( ? )</a>
- <textarea class="widefat" id="' . $this->get_field_id( 'caption' ) . '" name="' . $this->get_field_name( 'caption' ) . '" rows="2" cols="20">' . $caption . '</textarea>
- </label></p>';
- $alignments = array(
- 'none' => __( 'None', 'jetpack' ),
- 'left' => __( 'Left', 'jetpack' ),
- 'center' => __( 'Center', 'jetpack' ),
- 'right' => __( 'Right', 'jetpack' ),
- );
- echo '<p><label for="' . $this->get_field_id( 'align' ) . '">' . esc_html__( 'Image Alignment:', 'jetpack' ) . '
- <select id="' . $this->get_field_id( 'align' ) . '" name="' . $this->get_field_name( 'align' ) . '">';
- foreach ( $alignments as $alignment => $alignment_name ) {
- echo '<option value="' . esc_attr( $alignment ) . '" ';
- if ( $alignment == $align )
- echo 'selected="selected" ';
- echo '>' . esc_html($alignment_name) . "</option>\n";
- }
- echo '</select></label></p>';
- echo '<p><label for="' . $this->get_field_id( 'img_width' ) . '">' . esc_html__( 'Width:', 'jetpack' ) . '
- <input size="3" id="' . $this->get_field_id( 'img_width' ) . '" name="' . $this->get_field_name( 'img_width' ) . '" type="text" value="' . $img_width . '" />
- </label>
- <label for="' . $this->get_field_id( 'img_height' ) . '">' . esc_html__( 'Height:', 'jetpack' ) . '
- <input size="3" id="' . $this->get_field_id( 'img_height' ) . '" name="' . $this->get_field_name( 'img_height' ) . '" type="text" value="' . $img_height . '" />
- </label><br />
- <small>' . esc_html__( "If empty, we will attempt to determine the image size.", 'jetpack' ) . '</small></p>
- <p><label for="' . $this->get_field_id( 'link' ) . '">' . esc_html__( 'Link URL (when the image is clicked):', 'jetpack' ) . '
- <input class="widefat" id="' . $this->get_field_id( 'link' ) . '" name="' . $this->get_field_name( 'link' ) . '" type="text" value="' . $link . '" />
- </label>
- <label for="' . $this->get_field_id( 'link_target_blank' ) . '">
- <input type="checkbox" name="' . $this->get_field_name( 'link_target_blank' ) . '" id="' . $this->get_field_id( 'link_target_blank' ) . '" value="1"' . $link_target_blank . '/>
- ' . esc_html__( 'Open link in a new window/tab', 'jetpack' ) . '
- </label></p>';
- }
- } // Class Jetpack_Image_Widget