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Oldphaloskepsis/plugins/jetpack/modules/widgets/gallery.php

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2017-01-12 23:10:07 +00:00
<?php
/*
Plugin Name: Gallery
Description: Gallery widget
Author: Automattic, Inc.
Version: 1.0
Author URI: http://automattic.com
*/
class Jetpack_Gallery_Widget extends WP_Widget {
const THUMB_SIZE = 45;
const DEFAULT_WIDTH = 265;
protected $_instance_width ;
public function __construct() {
$widget_ops = array(
'classname' => 'widget-gallery',
'description' => __( 'Display a photo gallery or slideshow', 'jetpack' ),
'customize_selective_refresh' => true,
);
$control_ops = array( 'width' => 250 );
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_scripts' ) );
parent::__construct(
'gallery',
/** This filter is documented in modules/widgets/facebook-likebox.php */
apply_filters( 'jetpack_widget_name', __( 'Gallery', 'jetpack' ) ),
$widget_ops,
$control_ops
);
if ( is_customize_preview() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_frontend_scripts' ) );
if ( class_exists( 'Jetpack_Tiled_Gallery' ) ) {
$tiled_gallery = new Jetpack_Tiled_Gallery();
add_action( 'wp_enqueue_scripts', array( $tiled_gallery, 'default_scripts_and_styles' ) );
}
if ( class_exists( 'Jetpack_Slideshow_Shortcode' ) ) {
$slideshow = new Jetpack_Slideshow_Shortcode();
add_action( 'wp_enqueue_scripts', array( $slideshow, 'enqueue_scripts' ) );
}
if ( class_exists( 'Jetpack_Carousel' ) ) {
$carousel = new Jetpack_Carousel();
add_action( 'wp_enqueue_scripts', array( $carousel, 'enqueue_assets' ) );
}
}
}
/**
* @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
* @param array $instance The settings for the particular instance of the widget.
*/
public function widget( $args, $instance ) {
$instance = wp_parse_args( (array) $instance, $this->defaults() );
$this->enqueue_frontend_scripts();
extract( $args );
$instance['attachments'] = $this->get_attachments( $instance );
$classes = array();
$classes[] = 'widget-gallery-' . $instance['type'];
// Due to a bug in the carousel plugin, carousels will be triggered for all tiled galleries that exist on a page
// with other tiled galleries, regardless of whether or not the widget was set to Carousel mode. The onClick selector
// is simply too broad, since it was not written with widgets in mind. This special class prevents that behavior, via
// an override handler in gallery.js
if( 'carousel' != $instance['link'] && 'slideshow' != $instance['type'] )
$classes[] = 'no-carousel';
else
$classes[] = 'carousel';
$classes = implode( ' ', $classes );
if ( 'carousel' == $instance['link'] ) {
require_once plugin_dir_path( realpath( dirname( __FILE__ ) . '/../carousel/jetpack-carousel.php' ) ) . 'jetpack-carousel.php';
if ( class_exists( 'Jetpack_Carousel' ) ) {
// Create new carousel so we can use the enqueue_assets() method. Not ideal, but there is a decent amount
// of logic in that method that shouldn't be duplicated.
$carousel = new Jetpack_Carousel();
// First parameter is $output, which comes from filters, and causes bypass of the asset enqueuing. Passing null is correct.
$carousel->enqueue_assets( null );
}
}
echo $before_widget . "\n";
/** This filter is documented in core/src/wp-includes/default-widgets.php */
$title = apply_filters( 'widget_title', $instance['title'] );
if ( $title )
echo $before_title . esc_html( $title ) . $after_title . "\n";
echo '<div class="' . esc_attr( $classes ) . '">' . "\n";
$method = $instance['type'] . '_widget';
/**
* Allow the width of a gallery to be altered by themes or other code.
*
* @module widgets
*
* @since 2.5.0
*
* @param int self::DEFAULT_WIDTH Default gallery width. Default is 265.
* @param string $args Display arguments including before_title, after_title, before_widget, and after_widget.
* @param array $instance The settings for the particular instance of the widget.
*/
$this->_instance_width = apply_filters( 'gallery_widget_content_width', self::DEFAULT_WIDTH, $args, $instance );
// Register a filter to modify the tiled_gallery_content_width, so Jetpack_Tiled_Gallery
// can appropriately size the tiles.
add_filter( 'tiled_gallery_content_width', array( $this, 'tiled_gallery_content_width' ) );
if ( method_exists( $this, $method ) )
echo $this->$method( $args, $instance );
// Remove the stored $_instance_width, as it is no longer needed
$this->_instance_width = null;
// Remove the filter, so any Jetpack_Tiled_Gallery in a post is not affected
remove_filter( 'tiled_gallery_content_width', array( $this, 'tiled_gallery_content_width' ) );
echo "\n" . '</div>'; // .widget-gallery-$type
echo "\n" . $after_widget;
}
/**
* Fetch the images attached to the gallery Widget
*
* @param array $instance The Widget instance for which you'd like attachments
* @return array Array of attachment objects for the Widget in $instance
*/
public function get_attachments( $instance ){
$ids = explode( ',', $instance['ids'] );
if ( isset( $instance['random'] ) && 'on' == $instance['random'] ) {
shuffle( $ids );
}
$attachments_query = new WP_Query( array(
'post__in' => $ids,
'post_status' => 'inherit',
'post_type' => 'attachment',
'post_mime_type' => 'image',
'posts_per_page' => -1,
'orderby' => 'post__in',
) );
$attachments = $attachments_query->get_posts();
wp_reset_postdata();
return $attachments;
}
/**
* Generate HTML for a rectangular, tiled Widget
*
* @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
* @param array $instance The Widget instance to generate HTML for
* @return string String of HTML representing a rectangular gallery
*/
public function rectangular_widget( $args, $instance ) {
if ( ! class_exists( 'Jetpack_Tiled_Gallery' )
&& ! class_exists( 'Jetpack_Tiled_Gallery_Layout_Rectangular') ) {
return;
}
$widget_tiled_gallery = new Jetpack_Tiled_Gallery();
$widget_tiled_gallery->default_scripts_and_styles();
$layout = new Jetpack_Tiled_Gallery_Layout_Rectangular( $instance['attachments'], $instance['link'], false, 3 );
return $layout->HTML();
}
/**
* Generate HTML for a square (grid style) Widget
*
* @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
* @param array $instance The Widget instance to generate HTML for
* @return string String of HTML representing a square gallery
*/
public function square_widget( $args, $instance ) {
if ( ! class_exists( 'Jetpack_Tiled_Gallery' )
&& ! class_exists( 'Jetpack_Tiled_Gallery_Layout_Square') ) {
return;
}
$widget_tiled_gallery = new Jetpack_Tiled_Gallery();
$widget_tiled_gallery->default_scripts_and_styles();
$layout = new Jetpack_Tiled_Gallery_Layout_Square( $instance['attachments'], $instance['link'], false, 3 );
return $layout->HTML();
}
/**
* Generate HTML for a circular (grid style) Widget
*
* @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
* @param array $instance The Widget instance to generate HTML for
* @return string String of HTML representing a circular gallery
*/
public function circle_widget( $args, $instance ) {
if ( ! class_exists( 'Jetpack_Tiled_Gallery' )
&& ! class_exists( 'Jetpack_Tiled_Gallery_Layout_Circle') ) {
return;
}
$widget_tiled_gallery = new Jetpack_Tiled_Gallery();
$widget_tiled_gallery->default_scripts_and_styles();
$layout = new Jetpack_Tiled_Gallery_Layout_Circle( $instance['attachments'], $instance['link'], false, 3 );
return $layout->HTML();
}
/**
* Generate HTML for a slideshow Widget
*
* @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
* @param array $instance The Widget instance to generate HTML for
* @return string String of HTML representing a slideshow gallery
*/
public function slideshow_widget( $args, $instance ) {
global $content_width;
require_once plugin_dir_path( realpath( dirname( __FILE__ ) . '/../shortcodes/slideshow.php' ) ) . 'slideshow.php';
if ( ! class_exists( 'Jetpack_Slideshow_Shortcode' ) )
return;
if ( count( $instance['attachments'] ) < 1 )
return;
$slideshow = new Jetpack_Slideshow_Shortcode();
$slideshow->enqueue_scripts();
$gallery_instance = "widget-" . $args['widget_id'];
$gallery = array();
foreach ( $instance['attachments'] as $attachment ) {
$attachment_image_src = wp_get_attachment_image_src( $attachment->ID, 'full' );
$attachment_image_src = $attachment_image_src[0]; // [url, width, height]
$caption = wptexturize( strip_tags( $attachment->post_excerpt ) );
$gallery[] = (object) array(
'src' => (string) esc_url_raw( $attachment_image_src ),
'id' => (string) $attachment->ID,
'caption' => (string) $caption,
);
}
$max_width = intval( get_option( 'large_size_w' ) );
$max_height = 175;
if ( intval( $content_width ) > 0 )
$max_width = min( intval( $content_width ), $max_width );
$color = Jetpack_Options::get_option( 'slideshow_background_color', 'black' );
$autostart = isset( $attr['autostart'] ) ? $attr['autostart'] : true;
$js_attr = array(
'gallery' => $gallery,
'selector' => $gallery_instance,
'width' => $max_width,
'height' => $max_height,
'trans' => 'fade',
'color' => $color,
'autostart' => $autostart,
);
$html = $slideshow->slideshow_js( $js_attr );
return $html;
}
/**
* tiled_gallery_content_width filter
*
* Used to adjust the content width of Jetpack_Tiled_Gallery's in sidebars
*
* $this->_instance_width is filtered in widget() and this filter is added then removed in widget()
*
* @param int $width int The original width value
* @return int The filtered width
*/
public function tiled_gallery_content_width( $width ) {
return $this->_instance_width;
}
public function form( $instance ) {
$defaults = $this->defaults();
$allowed_values = $this->allowed_values();
$instance = wp_parse_args( (array) $instance, $defaults );
include dirname( __FILE__ ) . '/gallery/templates/form.php';
}
public function update( $new_instance, $old_instance ) {
$instance = $this->sanitize( $new_instance );
return $instance;
}
/**
* Sanitize the $instance's values to the set of allowed values. If a value is not acceptable,
* it is set to its default.
*
* Helps keep things nice and secure by whitelisting only allowed values
*
* @param array $instance The Widget instance to sanitize values for
* @return array $instance The Widget instance with values sanitized
*/
public function sanitize( $instance ) {
$allowed_values = $this->allowed_values();
$defaults = $this->defaults();
foreach ( $instance as $key => $value ) {
$value = trim( $value );
if ( isset( $allowed_values[ $key ] ) && $allowed_values[ $key ] && ! array_key_exists( $value, $allowed_values[ $key ] ) ) {
$instance[ $key ] = $defaults[ $key ];
} else {
$instance[ $key ] = sanitize_text_field( $value );
}
}
return $instance;
}
/**
* Return a multi-dimensional array of allowed values (and their labels) for all widget form
* elements
*
* To allow all values on an input, omit it from the returned array
*
* @return array Array of allowed values for each option
*/
public function allowed_values() {
$max_columns = 5;
// Create an associative array of allowed column values. This just automates the generation of
// column <option>s, from 1 to $max_columns
$allowed_columns = array_combine( range( 1, $max_columns ), range( 1, $max_columns ) );
return array(
'type' => array(
'rectangular' => __( 'Tiles', 'jetpack' ),
'square' => __( 'Square Tiles', 'jetpack' ),
'circle' => __( 'Circles', 'jetpack' ),
'slideshow' => __( 'Slideshow', 'jetpack' ),
),
'columns' => $allowed_columns,
'link' => array(
'carousel' => __( 'Carousel', 'jetpack' ),
'post' => __( 'Attachment Page', 'jetpack' ),
'file' => __( 'Media File', 'jetpack' ),
)
);
}
/**
* Return an associative array of default values
*
* These values are used in new widgets as well as when sanitizing input. If a given value is not allowed,
* as defined in allowed_values(), that input is set to the default value defined here.
*
* @return array Array of default values for the Widget's options
*/
public function defaults() {
return array(
'title' => '',
'type' => 'rectangular',
'ids' => '',
'columns' => 3,
'link' => 'carousel'
);
}
public function enqueue_frontend_scripts() {
wp_register_script( 'gallery-widget', plugins_url( '/gallery/js/gallery.js', __FILE__ ) );
wp_enqueue_script( 'gallery-widget' );
}
public function enqueue_admin_scripts() {
global $pagenow;
if ( 'widgets.php' == $pagenow || 'customize.php' == $pagenow ) {
wp_enqueue_media();
wp_enqueue_script( 'gallery-widget-admin', plugins_url( '/gallery/js/admin.js', __FILE__ ), array(
'media-models',
'media-views'
),
'20150501'
);
$js_settings = array(
'thumbSize' => self::THUMB_SIZE
);
wp_localize_script( 'gallery-widget-admin', '_wpGalleryWidgetAdminSettings', $js_settings );
if( is_rtl() ) {
wp_enqueue_style( 'gallery-widget-admin', plugins_url( '/gallery/css/rtl/admin-rtl.css', __FILE__ ) );
} else {
wp_enqueue_style( 'gallery-widget-admin', plugins_url( '/gallery/css/admin.css', __FILE__ ) );
}
}
}
}
add_action( 'widgets_init', 'jetpack_gallery_widget_init' );
function jetpack_gallery_widget_init() {
if ( ! method_exists( 'Jetpack', 'is_module_active' ) || Jetpack::is_module_active( 'tiled-gallery' ) )
register_widget( 'Jetpack_Gallery_Widget' );
}