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<?php |
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/** |
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* Class SlideshowSEPlugin is called whenever a slideshow do_action tag is come across. |
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* Responsible for outputting the slideshow's HTML, CSS and Javascript. |
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* |
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* @since 1.0.0 |
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* @author: Stefan Boonstra |
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*/ |
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class SlideshowSEPlugin |
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{ |
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/** |
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* Function deploy prints out the prepared html |
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* |
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* @since 1.2.0 |
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* @param int $postId |
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*/ |
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static function deploy($postId = null) |
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{ |
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echo self::prepare($postId); |
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} |
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|
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/** |
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* Function prepare returns the required html and enqueues |
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* the scripts and stylesheets necessary for displaying the slideshow |
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* |
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* Passing this function no parameter or passing it a negative one will |
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* result in a random pick of slideshow |
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* |
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* @since 2.1.0 |
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* @param int $postId |
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* @return String $output |
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*/ |
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static function prepare($postId = null) |
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{ |
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$post = null; |
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|
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// Get post by its ID, if the ID is not a negative value |
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if (is_numeric($postId) && |
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$postId >= 0) |
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{ |
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$post = get_post($postId); |
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} |
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|
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// Get slideshow by slug when it's a non-empty string |
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if ($post === null && |
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is_string($postId) && |
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!is_numeric($postId) && |
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!empty($postId)) |
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{ |
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$query = new WP_Query(array( |
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'post_type' => SlideshowSEPluginPostType::$postType, |
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'name' => $postId, |
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'orderby' => 'post_date', |
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'order' => 'DESC', |
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'suppress_filters' => true |
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)); |
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|
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if($query->have_posts()) |
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{ |
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$post = $query->next_post(); |
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} |
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} |
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|
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// When no slideshow is found, get one at random |
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if ($post === null) |
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{ |
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$post = get_posts(array( |
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'numberposts' => 1, |
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'offset' => 0, |
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'orderby' => 'rand', |
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'post_type' => SlideshowSEPluginPostType::$postType, |
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'suppress_filters' => true |
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)); |
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|
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if(is_array($post)) |
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{ |
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$post = $post[0]; |
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} |
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} |
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|
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// Exit on error |
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if($post === null) |
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{ |
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return '<!-- WordPress Slideshow - No slideshows available -->'; |
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} |
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|
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// Log slideshow's problems to be able to track them on the page. |
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$log = array(); |
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|
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// Get slides |
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$slides = SlideshowSEPluginSlideshowSettingsHandler::getSlides($post->ID); |
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|
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if (!is_array($slides) || |
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count($slides) <= 0) |
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{ |
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$log[] = 'No slides were found'; |
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} |
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|
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// Get settings |
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$settings = SlideshowSEPluginSlideshowSettingsHandler::getSettings($post->ID); |
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$styleSettings = SlideshowSEPluginSlideshowSettingsHandler::getStyleSettings($post->ID); |
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|
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// Only enqueue the functional stylesheet when the 'allStylesheetsRegistered' flag is false |
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if (!SlideshowSEPluginSlideshowStylesheet::$allStylesheetsRegistered) |
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{ |
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wp_enqueue_style( |
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'slideshow-jquery-image-gallery-stylesheet_functional', |
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SlideshowSEPluginMain::getPluginUrl() . '/style/' . __CLASS__ . '/functional.css', |
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array(), |
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SlideshowSEPluginMain::$version |
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); |
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} |
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|
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// Check if requested style is available. If not, use the default |
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list($styleName, $styleVersion) = SlideshowSEPluginSlideshowStylesheet::enqueueStylesheet($styleSettings['style']); |
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|
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$data = new stdClass(); |
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$data->log = $log; |
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$data->post = $post; |
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$data->slides = $slides; |
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$data->settings = $settings; |
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$data->styleName = $styleName; |
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$data->styleVersion = $styleVersion; |
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|
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// Include output file to store output in $output. |
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$output = SlideshowSEPluginMain::getView(__CLASS__ . DIRECTORY_SEPARATOR . 'slideshow.php', $data); |
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|
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// Enqueue slideshow script |
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wp_enqueue_script( |
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'slideshow-jquery-image-gallery-script', |
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SlideshowSEPluginMain::getPluginUrl() . '/js/min/all.frontend.min.js', |
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array('jquery'), |
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SlideshowSEPluginMain::$version |
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); |
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|
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// Set dimensionWidth and dimensionHeight if dimensions should be preserved |
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if (isset($settings['preserveSlideshowDimensions']) && |
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$settings['preserveSlideshowDimensions'] == 'true') |
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{ |
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$aspectRatio = explode(':', $settings['aspectRatio']); |
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|
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// Width |
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if (isset($aspectRatio[0]) && |
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is_numeric($aspectRatio[0])) |
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{ |
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$settings['dimensionWidth'] = $aspectRatio[0]; |
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} |
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else |
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{ |
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$settings['dimensionWidth'] = 1; |
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} |
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|
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// Height |
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if (isset($aspectRatio[1]) && |
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is_numeric($aspectRatio[1])) |
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{ |
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$settings['dimensionHeight'] = $aspectRatio[1]; |
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} |
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else |
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{ |
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$settings['dimensionHeight'] = 1; |
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} |
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} |
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|
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if (!SlideshowSEPluginGeneralSettings::getEnableLazyLoading()) |
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{ |
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// Include slideshow settings by localizing them |
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wp_localize_script( |
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'slideshow-jquery-image-gallery-script', |
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'SlideshowSEPluginSettings_' . $post->ID, |
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$settings |
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); |
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|
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// Include the location of the admin-ajax.php file |
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wp_localize_script( |
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'slideshow-jquery-image-gallery-script', |
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'slideshow_jquery_image_gallery_script_adminURL', |
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admin_url() |
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); |
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} |
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|
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// Return output |
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return $output; |
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} |
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} |
