/**
* Enqueues frontend scripts and styles.
*
* Should always be called on the wp_enqueue_scripts hook.
*
* @since 2.3.0
*/
static function enqueueFrontendScripts()
{
// Enqueue slideshow script if lazy loading is enabled
if (SlideshowPluginGeneralSettings::getEnableLazyLoading()) {
wp_enqueue_script('slideshow-jquery-image-gallery-script', self::getPluginUrl() . '/js/min/all.frontend.min.js', array('jquery'), self::$version);
wp_localize_script('slideshow-jquery-image-gallery-script', 'slideshow_jquery_image_gallery_script_adminURL', admin_url());
}
}
echo isset($data->settings['preserveSlideshowDimensions']) && $data->settings['preserveSlideshowDimensions'] == 'false' && isset($data->settings['height']) && $data->settings['height'] > 0 ? 'height: ' . $data->settings['height'] . 'px;' : '';
?>
<?php
echo isset($data->settings['maxWidth']) && $data->settings['maxWidth'] > 0 ? 'max-width: ' . $data->settings['maxWidth'] . 'px;' : '';
?>
" data-slideshow-id="<?php
echo htmlspecialchars($data->post->ID);
?>
" data-style-name="<?php
echo htmlspecialchars($data->styleName);
?>
" data-style-version="<?php
echo htmlspecialchars($data->styleVersion);
?>
" <?php
if (SlideshowPluginGeneralSettings::getEnableLazyLoading()) {
?>
data-settings="<?php
echo htmlspecialchars(json_encode($data->settings));
?>
"<?php
}
?>
>
<?php
if (isset($data->settings['showLoadingIcon']) && $data->settings['showLoadingIcon'] === 'true') {
?>
<div class="slideshow_loading_icon"></div>
<?php
}
/**
* Function prepare returns the required html and enqueues
* the scripts and stylesheets necessary for displaying the slideshow
*
* Passing this function no parameter or passing it a negative one will
* result in a random pick of slideshow
*
* @since 2.1.0
* @param int $postId
* @return String $output
*/
static function prepare($postId = null)
{
$post = null;
// Get post by its ID, if the ID is not a negative value
if (is_numeric($postId) && $postId >= 0) {
$post = get_post($postId);
}
// Get slideshow by slug when it's a non-empty string
if ($post === null && is_string($postId) && !is_numeric($postId) && !empty($postId)) {
$query = new WP_Query(array('post_type' => SlideshowPluginPostType::$postType, 'name' => $postId, 'orderby' => 'post_date', 'order' => 'DESC', 'suppress_filters' => true));
if ($query->have_posts()) {
$post = $query->next_post();
}
}
// When no slideshow is found, get one at random
if ($post === null) {
$post = get_posts(array('numberposts' => 1, 'offset' => 0, 'orderby' => 'rand', 'post_type' => SlideshowPluginPostType::$postType, 'suppress_filters' => true));
if (is_array($post)) {
$post = $post[0];
}
}
// Exit on error
if ($post === null) {
return '<!-- WordPress Slideshow - No slideshows available -->';
}
// Log slideshow's problems to be able to track them on the page.
$log = array();
// Get slides
$slides = SlideshowPluginSlideshowSettingsHandler::getSlides($post->ID);
if (!is_array($slides) || count($slides) <= 0) {
$log[] = 'No slides were found';
}
// Get settings
$settings = SlideshowPluginSlideshowSettingsHandler::getSettings($post->ID);
$styleSettings = SlideshowPluginSlideshowSettingsHandler::getStyleSettings($post->ID);
// Only enqueue the functional stylesheet when the 'allStylesheetsRegistered' flag is false
if (!SlideshowPluginSlideshowStylesheet::$allStylesheetsRegistered) {
wp_enqueue_style('slideshow-jquery-image-gallery-stylesheet_functional', SlideshowPluginMain::getPluginUrl() . '/style/' . __CLASS__ . '/functional.css', array(), SlideshowPluginMain::$version);
}
// Check if requested style is available. If not, use the default
list($styleName, $styleVersion) = SlideshowPluginSlideshowStylesheet::enqueueStylesheet($styleSettings['style']);
$data = new stdClass();
$data->log = $log;
$data->post = $post;
$data->slides = $slides;
$data->settings = $settings;
$data->styleName = $styleName;
$data->styleVersion = $styleVersion;
// Include output file to store output in $output.
$output = SlideshowPluginMain::getView(__CLASS__ . DIRECTORY_SEPARATOR . 'slideshow.php', $data);
// Enqueue slideshow script
wp_enqueue_script('slideshow-jquery-image-gallery-script', SlideshowPluginMain::getPluginUrl() . '/js/min/all.frontend.min.js', array('jquery'), SlideshowPluginMain::$version);
// Set dimensionWidth and dimensionHeight if dimensions should be preserved
if (isset($settings['preserveSlideshowDimensions']) && $settings['preserveSlideshowDimensions'] == 'true') {
$aspectRatio = explode(':', $settings['aspectRatio']);
// Width
if (isset($aspectRatio[0]) && is_numeric($aspectRatio[0])) {
$settings['dimensionWidth'] = $aspectRatio[0];
} else {
$settings['dimensionWidth'] = 1;
}
// Height
if (isset($aspectRatio[1]) && is_numeric($aspectRatio[1])) {
$settings['dimensionHeight'] = $aspectRatio[1];
} else {
$settings['dimensionHeight'] = 1;
}
}
if (!SlideshowPluginGeneralSettings::getEnableLazyLoading()) {
// Include slideshow settings by localizing them
wp_localize_script('slideshow-jquery-image-gallery-script', 'SlideshowPluginSettings_' . $post->ID, $settings);
// Include the location of the admin-ajax.php file
wp_localize_script('slideshow-jquery-image-gallery-script', 'slideshow_jquery_image_gallery_script_adminURL', admin_url());
}
// Return output
return $output;
}