carousel.php
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<?php
su_add_shortcode(
array(
'deprecated' => true,
'id' => 'carousel',
'callback' => 'su_shortcode_carousel',
'image' => su_get_plugin_url() . 'admin/images/shortcodes/carousel.svg',
// translators: Dep. – Deprecated
'name' => __( 'Carousel (Dep.)', 'shortcodes-ultimate' ),
'type' => 'single',
'group' => 'gallery',
'note' => sprintf(
'<p>%s</p><p><button class="button button-primary" onclick="document.querySelector(\'[data-shortcode=image_carousel]\').click(); return false;">%s →</button></p>',
__( 'There is a much better shortcode for your images. Have you already tried the Image Carousel? It can create both sliders and carousels.', 'shortcodes-ultimate' ),
__( 'Switch to Image Carousel', 'shortcodes-ultimate' )
),
'atts' => array(
'source' => array(
'type' => 'image_source',
'default' => 'none',
'name' => __( 'Source', 'shortcodes-ultimate' ),
'desc' => __( 'Choose images source. You can use images from Media library or retrieve it from posts (thumbnails) posted under specified blog category. You can also pick any custom taxonomy', 'shortcodes-ultimate' ),
),
'limit' => array(
'type' => 'slider',
'min' => -1,
'max' => 100,
'step' => 1,
'default' => 20,
'name' => __( 'Limit', 'shortcodes-ultimate' ),
'desc' => __( 'Maximum number of image source posts (for recent posts, category and custom taxonomy)', 'shortcodes-ultimate' ),
),
'link' => array(
'type' => 'select',
'values' => array(
'none' => __( 'None', 'shortcodes-ultimate' ),
'image' => __( 'Full-size image', 'shortcodes-ultimate' ),
'lightbox' => __( 'Lightbox', 'shortcodes-ultimate' ),
'custom' => __( 'Slide link (added in media editor)', 'shortcodes-ultimate' ),
'attachment' => __( 'Attachment page', 'shortcodes-ultimate' ),
'post' => __( 'Post permalink', 'shortcodes-ultimate' ),
),
'default' => 'none',
'name' => __( 'Links', 'shortcodes-ultimate' ),
'desc' => __( 'Select which links will be used for images in this gallery', 'shortcodes-ultimate' ),
),
'target' => array(
'type' => 'select',
'values' => array(
'self' => __( 'Open in same tab', 'shortcodes-ultimate' ),
'blank' => __( 'Open in new tab', 'shortcodes-ultimate' ),
),
'default' => 'self',
'name' => __( 'Links target', 'shortcodes-ultimate' ),
'desc' => __( 'Open links in', 'shortcodes-ultimate' ),
),
'width' => array(
'type' => 'slider',
'min' => 100,
'max' => 1600,
'step' => 20,
'default' => 600,
'name' => __( 'Width', 'shortcodes-ultimate' ),
'desc' => __( 'Carousel width (in pixels)', 'shortcodes-ultimate' ),
),
'height' => array(
'type' => 'slider',
'min' => 20,
'max' => 1600,
'step' => 20,
'default' => 100,
'name' => __( 'Height', 'shortcodes-ultimate' ),
'desc' => __( 'Carousel height (in pixels)', 'shortcodes-ultimate' ),
),
'responsive' => array(
'type' => 'bool',
'default' => 'yes',
'name' => __( 'Responsive', 'shortcodes-ultimate' ),
'desc' => __( 'Ignore width and height parameters and make carousel responsive', 'shortcodes-ultimate' ),
),
'items' => array(
'type' => 'number',
'min' => 1,
'max' => 20,
'step' => 1,
'default' => 3,
'name' => __( 'Items to show', 'shortcodes-ultimate' ),
'desc' => __( 'How much carousel items is visible', 'shortcodes-ultimate' ),
),
'scroll' => array(
'type' => 'number',
'min' => 1,
'max' => 20,
'step' => 1,
'default' => 1,
'name' => __( 'Scroll number', 'shortcodes-ultimate' ),
'desc' => __( 'How much items are scrolled in one transition', 'shortcodes-ultimate' ),
),
'title' => array(
'type' => 'bool',
'default' => 'yes',
'name' => __( 'Show titles', 'shortcodes-ultimate' ),
'desc' => __( 'Display titles for each item', 'shortcodes-ultimate' ),
),
'centered' => array(
'type' => 'bool',
'default' => 'yes',
'name' => __( 'Center', 'shortcodes-ultimate' ),
'desc' => __( 'Is carousel centered on the page', 'shortcodes-ultimate' ),
),
'arrows' => array(
'type' => 'bool',
'default' => 'yes',
'name' => __( 'Arrows', 'shortcodes-ultimate' ),
'desc' => __( 'Show left and right arrows', 'shortcodes-ultimate' ),
),
'pages' => array(
'type' => 'bool',
'default' => 'no',
'name' => __( 'Pagination', 'shortcodes-ultimate' ),
'desc' => __( 'Show pagination', 'shortcodes-ultimate' ),
),
'mousewheel' => array(
'type' => 'bool',
'default' => 'yes',
'name' => __( 'Mouse wheel control', 'shortcodes-ultimate' ),
'desc' => __( 'Allow to rotate carousel with mouse wheel', 'shortcodes-ultimate' ),
),
'autoplay' => array(
'type' => 'number',
'min' => 0,
'max' => 100000,
'step' => 100,
'default' => 5000,
'name' => __( 'Autoplay', 'shortcodes-ultimate' ),
'desc' => __( 'Choose interval between auto animations. Set to 0 to disable autoplay', 'shortcodes-ultimate' ),
),
'speed' => array(
'type' => 'number',
'min' => 0,
'max' => 20000,
'step' => 100,
'default' => 600,
'name' => __( 'Speed', 'shortcodes-ultimate' ),
'desc' => __( 'Specify animation speed', 'shortcodes-ultimate' ),
),
'class' => array(
'type' => 'extra_css_class',
'name' => __( 'Extra CSS class', 'shortcodes-ultimate' ),
'desc' => __( 'Additional CSS class name(s) separated by space(s)', 'shortcodes-ultimate' ),
'default' => '',
),
),
'desc' => __( 'Customizable image carousel', 'shortcodes-ultimate' ),
'icon' => 'picture-o',
)
);
function su_shortcode_carousel( $atts = null, $content = null ) {
$return = '';
$atts = shortcode_atts(
array(
'source' => 'none',
'limit' => 20,
'gallery' => null, // Dep. 4.3.2
'link' => 'none',
'target' => 'self',
'width' => 600,
'height' => 100,
'responsive' => 'yes',
'items' => 3,
'scroll' => 1,
'title' => 'yes',
'centered' => 'yes',
'arrows' => 'yes',
'pages' => 'no',
'mousewheel' => 'yes',
'autoplay' => 3000,
'speed' => 600,
'class' => '',
),
$atts,
'carousel'
);
$slides = su_get_slides( $atts );
$slides = apply_filters( 'su/shortcode/carousel/slides', $slides, $atts );
// Loop slides
if ( count( $slides ) ) {
// Prepare unique ID
$id = uniqid( 'su_carousel_' );
// Links target
$target = ( $atts['target'] === 'yes' || $atts['target'] === 'blank' ) ? ' target="_blank"' : '';
// Centered class
$centered = ( $atts['centered'] === 'yes' ) ? ' su-carousel-centered' : '';
// Wheel control
$mousewheel = ( $atts['mousewheel'] === 'yes' ) ? 'true' : 'false';
// Prepare width and height
$size = ( $atts['responsive'] === 'yes' ) ? 'width:100%' : 'width:' . intval( $atts['width'] ) . 'px;height:' . intval( $atts['height'] ) . 'px';
// Add lightbox class
if ( $atts['link'] === 'lightbox' ) {
$atts['class'] .= ' su-lightbox-gallery';
}
// Open slider
$return .= '<div id="' . $id . '" class="su-carousel' . $centered . ' su-carousel-pages-' . esc_attr( $atts['pages'] ) . ' su-carousel-responsive-' . esc_attr( $atts['responsive'] ) . su_get_css_class( $atts ) . '" style="' . $size . '" data-autoplay="' . esc_attr( $atts['autoplay'] ) . '" data-speed="' . esc_attr( $atts['speed'] ) . '" data-mousewheel="' . $mousewheel . '" data-items="' . esc_attr( $atts['items'] ) . '" data-scroll="' . esc_attr( $atts['scroll'] ) . '"><div class="su-carousel-slides">';
// Create slides
foreach ( (array) $slides as $slide ) {
// Crop the image
$image = su_image_resize( $slide['image'], ( round( $atts['width'] / $atts['items'] ) - 18 ), $atts['height'] );
if ( is_wp_error( $image ) ) {
continue;
}
// Prepare slide title
$title = ( $atts['title'] === 'yes' && $slide['title'] ) ? '<span class="su-carousel-slide-title">' . stripslashes( $slide['title'] ) . '</span>' : '';
// Open slide
$return .= '<div class="su-carousel-slide">';
// Slide content with link
if ( $slide['link'] ) {
$return .= '<a href="' . $slide['link'] . '"' . $target . ' title="' . esc_attr( $slide['title'] ) . '"><img src="' . $image['url'] . '" alt="' . esc_attr( $slide['title'] ) . '" />' . $title . '</a>';
}
// Slide content without link
else {
$return .= '<a><img src="' . $image['url'] . '" alt="' . esc_attr( $slide['title'] ) . '" />' . $title . '</a>';
}
// Close slide
$return .= '</div>';
}
// Close slides
$return .= '</div>';
// Open nav section
$return .= '<div class="su-carousel-nav">';
// Append direction nav
if ( $atts['arrows'] === 'yes'
) {
$return .= '<div class="su-carousel-direction"><span class="su-carousel-prev"></span><span class="su-carousel-next"></span></div>';
}
// Append pagination nav
$return .= '<div class="su-carousel-pagination"></div>';
// Close nav section
$return .= '</div>';
// Close slider
$return .= '</div>';
// Add lightbox assets
if ( $atts['link'] === 'lightbox' ) {
su_query_asset( 'css', 'magnific-popup' );
su_query_asset( 'js', 'magnific-popup' );
}
su_query_asset( 'css', 'su-shortcodes' );
su_query_asset( 'js', 'jquery' );
su_query_asset( 'js', 'swiper' );
su_query_asset( 'js', 'su-shortcodes' );
}
// Slides not found
else {
$return = su_error_message( 'Carousel', __( 'images not found', 'shortcodes-ultimate' ) );
}
return $return;
}