classes/frontend/class-gallery.php
<?php
namespace lsx_health_plan\classes\frontend;
/**
* Contains the gallery functionality.
*
* @package lsx-health-plan
*/
class Gallery {
/**
* Holds class instance
*
* @var object \lsx_health_plan\classes\lib\Gallery()
*/
protected static $instance = null;
/**
* The current item ID.
*
* @var boolean | int
*/
public $item_id = false;
/**
* The current item post_type used in the custom field retrival..
*
* @var boolean | int
*/
public $post_type = false;
/**
* Holds the the default parameters for the gallery output.
*
* @var array
*/
public $defaults = array();
/**
* If the current post has a gallery.
*
* @var boolean
*/
public $has_gallery = false;
/**
* Holds the array of gallery images.
*
* @var array
*/
public $gallery = array();
/**
* Holds the html for the current gallery being output.
*
* @var array
*/
public $html = array();
/**
* Holds the parameters for the current gallery being output.
*
* @var array
*/
public $args = array();
/**
* Constructor
*/
public function __construct() {
}
/**
* Return an instance of this class.
*
* @since 1.0.0
*
* @return object \lsx_health_plan\classes\lib\Gallery() A single instance of this class.
*/
public static function get_instance() {
// If the single instance hasn't been set, set it now.
if ( null === self::$instance ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Check if the item has a gallery of images returns true or false.
*
* @param string $item_id
* @param string $post_type
* @return boolean
*/
public function has_gallery( $item_id = '', $post_type = '' ) {
if ( '' === $item_id ) {
$this->item_id = get_the_ID();
} else {
$this->item_id = $item_id;
}
$this->has_gallery = false;
if ( '' === $post_type ) {
$this->post_type = get_post_type( $this->item_id );
}
$gallery = get_post_meta( $this->item_id, $this->post_type . '_gallery', true );
if ( ! empty( $gallery ) && ( '' !== $gallery ) ) {
$this->gallery = $gallery;
$this->has_gallery = true;
wp_enqueue_script( 'slick', LSX_HEALTH_PLAN_URL . 'assets/js/src/slick.min.js', array( 'jquery' ), LSX_HEALTH_PLAN_VER, true );
wp_enqueue_script( 'lsx-health-plan-slider', LSX_HEALTH_PLAN_URL . 'assets/js/src/lsx-health-plan-slider.js', array( 'slick' ), LSX_HEALTH_PLAN_VER, true );
}
return $this->has_gallery;
}
/**
* Returns the defaults for the gallery, after grabbing the setting from the item.
*
* @param string $item_id
* @param string $post_type
* @return array
*/
public function get_defaults( $item_id = '', $post_type = '' ) {
if ( '' === $item_id ) {
$item_id = $this->item_id;
}
if ( '' === $post_type ) {
$post_type = $this->post_type;
}
$this->defaults = array(
'columns' => '3',
'layout' => 'slider',
'interval' => false,
'css_class' => false,
);
foreach ( $this->defaults as $key => $default ) {
$override = get_post_meta( $item_id, $this->post_type . '_gallery_' . $key, true );
if ( '' !== $override && false !== $override && ! empty( $override ) ) {
$this->defaults[ $key ] = $override;
}
}
return $this->defaults;
}
/**
* Gets and returns the gallery html.
*
* @param string $item_id
* @param string $post_type
* @return void
*/
public function get_gallery( $item_id = '', $post_type = '', $args = array() ) {
$return = '';
$this->html = array();
$this->args = wp_parse_args( $args, $this->get_defaults( $item_id, $post_type ) );
if ( ! empty( $this->gallery ) ) {
$this->args['count'] = 1;
if ( '' !== $post_type ) {
$this->args['post_type'] = $post_type;
} else {
$this->args['post_type'] = $this->post_type;
}
// output the opening boostrap row divs.
$this->before_loop();
foreach ( $this->gallery as $key => $gallery ) {
$this->loop_start();
if ( isset( $gallery['exercise_gallery_image_id'] ) && ! empty( $gallery['exercise_gallery_image_id'] ) ) {
$size = apply_filters( 'lsx_hp_exercise_gallery_size', 'full' );
$thumbnail = wp_get_attachment_image( $gallery['exercise_gallery_image_id'], $size );
$this->html[] = $thumbnail;
} elseif ( isset( $gallery['exercise_gallery_external'] ) && ! empty( $gallery['exercise_gallery_external'] ) ) {
$this->html[] = $gallery['exercise_gallery_external']; // WPCS: XSS OK.
} elseif ( isset( $gallery['exercise_gallery_embed'] ) && ! empty( $gallery['exercise_gallery_embed'] ) ) {
$embed_args = array(
'width' => '530',
);
$embed = wp_oembed_get( $gallery['exercise_gallery_embed'], $embed_args );
$this->html[] = str_replace( 'width="530"', 'width="100%"', $embed ); // WPCS: XSS OK.
}
$this->loop_end();
$this->args['count']++;
}
// output the closing boostrap row divs.
$this->after_loop();
}
// Join the html output if its not empty.
if ( ! empty( $this->html ) ) {
$return = implode( '', $this->html );
}
return $return;
}
/**
* Outputs the CSS class for the panels
*
* @param string $columns
* @return string
*/
public function column_class() {
$cols = 'col-xs-12 col-sm-';
$cols .= '5' === $this->args['columns'] ? '15' : 12 / $this->args['columns'];
return $cols;
}
/**
* Runs just after the if and before the while statement in $this->output()
*/
public function before_loop() {
if ( 'slider' === $this->args['layout'] ) {
$this->carousel_id = wp_rand( 20, 20000 );
$this->html[] = "<div class='lsx-hp-widget-items slick-slider slick-dotted slick-has-arrows {$this->args['css_class']} ' data-interval='{$this->args['interval']}' data-slick='{ \"slidesToShow\": 1, \"slidesToScroll\": 1'>";
} else {
$this->html[] = "<div class='lsx-hp-widget-items widget-item-grid-layout'>";
}
}
/**
* Runs at the very end of the loop before it runs again.
*/
public function loop_start() {
// Get the call for the active slide.
if ( 'slider' === $this->args['layout'] ) {
$this->html[] = "<div class='lsx-hp-widget-item-wrap lsx-{$this->args['post_type']}'>";
} else {
if ( 1 === $this->args['count'] ) {
$this->html[] = "<div class='row'>";
}
$this->html[] = '<div class="' . $this->column_class() . '">';
}
}
/**
* Runs at the very end of the loop before it runs again.
*/
public function loop_end() {
if ( 'slider' !== $this->args['layout'] ) {
$this->html[] = '</div>';
}
// Close the current slide panel.
if ( 'slider' === $this->args['layout'] ) {
$this->html[] = '</div>';
} elseif ( 0 === $this->args['count'] % $this->args['columns'] || count( $this->gallery ) === $this->args['count'] ) {
$this->html[] = '</div>';
if ( $this->args['count'] < count( $this->gallery ) ) {
$this->html[] = "<div class='row'>";
}
}
}
/**
* Runs just after the if and before the while statement in $this->output()
*/
public function after_loop() {
// Slider output Closing.
if ( 'slider' === $this->args['layout'] ) {
$this->html[] = '</div>';
} else {
$this->html[] = '</div>';
}
}
}