Viewing file:  SlideshowPluginShortcode.php (3.92 KB) -rw-rw-rw-
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<?php
/**
* Class SlideshowPluginShortcode provides the shortcode function, which is called
* on use of shortcode anywhere in the posts and pages. Also provides the shortcode
* inserter, so that it's made easier for non-programmers to insert the shortcode
* into a post or page.
*
* @since 1.2.0
* @author: Stefan Boonstra
*/
class SlideshowPluginShortcode
{
/** @var string $shortCode */
public static $shortCode = 'slideshow_deploy';
/** @var string $bookmark */
public static $bookmark = '!slideshow_deploy!';
/** @var array $postIDs */
private static $postIds = array();
/**
* Initializes the shortcode, registering it and hooking the shortcode
* inserter media buttons.
*
* @since 2.1.16
*/
static function init()
{
// Register shortcode
add_shortcode(self::$shortCode, array(__CLASS__, 'slideshowDeploy'));
// Admin
if (is_admin())
{
// Add shortcode inserter HTML
add_action('media_buttons', array(__CLASS__, 'shortcodeInserter'), 11);
// Enqueue shortcode inserter script
add_action('admin_enqueue_scripts', array(__CLASS__, 'localizeScript'), 11);
}
}
/**
* Function slideshowDeploy adds a bookmark to where ever a shortcode
* is found and adds the postId to an array, it then is loaded after
* WordPress has done its HTML checks.
*
* @since 1.2.0
* @param mixed $attributes
* @return String $output
*/
static function slideshowDeploy($attributes)
{
$postId = '';
if (isset($attributes['id']))
{
$postId = $attributes['id'];
}
$output = '';
$settings = SlideshowPluginSlideshowSettingsHandler::getSettings($postId);
if ($settings['avoidFilter'] == 'true' &&
strlen(current_filter()) > 0)
{
// Avoid current filter, call function to replace the bookmark with the slideshow
add_filter(current_filter(), array(__CLASS__, 'insertSlideshow'), 999);
// Save post id
self::$postIds[] = $postId;
// Set output
$output = self::$bookmark;
}
else
{
// Just output the slideshow, without filtering
$output = SlideshowPlugin::prepare($postId);
}
// Return output
return $output;
}
/**
* Function insertSlideshow uses the prepare method of class SlideshowPlugin
* to insert the code for the slideshow on the location a bookmark was found.
*
* @since 2.1.8
* @param String $content
* @return String $content
*/
static function insertSlideshow($content)
{
// Loop through post ids
if (is_array(self::$postIds) &&
count(self::$postIds) > 0)
{
foreach (self::$postIds as $postId)
{
$updatedContent = preg_replace("/" . self::$bookmark . "/", SlideshowPlugin::prepare($postId), $content, 1);
if (is_string($updatedContent))
{
$content = $updatedContent;
}
}
}
// Reset postIds, so a shortcode in a next post can be used
self::$postIds = array();
return $content;
}
/**
* Hooked on the admin's 'media_buttons' hook, outputs the shortcode inserter media button
*
* @since 2.1.16
*/
static function shortcodeInserter()
{
// Get slideshows
$slideshows = new WP_Query(array(
'post_type' => SlideshowPluginPostType::$postType,
'orderby' => 'post_date',
'posts_per_page' => -1,
'order' => 'DESC'
));
include(SlideshowPluginMain::getPluginPath() . DIRECTORY_SEPARATOR . 'views' . DIRECTORY_SEPARATOR . __CLASS__ . DIRECTORY_SEPARATOR . 'shortcode-inserter.php');
}
/**
* Enqueues the shortcode inserter script
*
* @since 2.1.16
*/
static function localizeScript()
{
wp_localize_script(
'slideshow-jquery-image-gallery-backend-script',
'slideshow_jquery_image_gallery_backend_script_shortcode',
array(
'data' => array('shortcode' => SlideshowPluginShortcode::$shortCode),
'localization' => array('undefinedSlideshow' => __('No slideshow selected.', 'slideshow-plugin'))
)
);
}
}
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