` tag wrapper on each title */ private $use_buttons = false; /** * Class constructor * Sets up the plugin, including: textdomain, adding shortcodes, registering * scripts and adding buttons. */ function __construct() { $basename = plugin_basename(__FILE__); // Load text domain load_plugin_textdomain('accordion_shortcodes', false, dirname($basename) . '/languages/'); // Register JavaScript add_action('wp_enqueue_scripts', array($this, 'register_script')); // Add shortcodes $prefix = $this->get_compatibility_prefix(); add_shortcode($prefix . 'accordion', array($this, 'accordion_shortcode')); add_shortcode($prefix . 'accordion-item', array($this, 'accordion_item_shortcode')); // Print script in wp_footer add_action('wp_footer', array($this, 'print_script')); if (is_admin()) { // Add link to documentation on plugin page add_filter("plugin_action_links_$basename", array($this, 'add_documentation_link')); // Add buttons to MCE editor if (!defined('AS_TINYMCE') || AS_TINYMCE != false) { $Accordion_Shortcode_Tinymce_Extensions = new Accordion_Shortcode_Tinymce_Extensions; } } } /** * Get the compatibility mode prefix * * return string The compatibility mode prefix */ private function get_compatibility_prefix() { return defined('AS_COMPATIBILITY') && AS_COMPATIBILITY ? 'as-' : ''; } /** * Registers the JavaScript file * If SCRIPT_DEBUG is set to true in the config file, the un-minified * version of the JavaScript file will be used. */ public function register_script() { $min = (defined('SCRIPT_DEBUG') && SCRIPT_DEBUG) ? '' : '.min'; wp_register_script('accordion-shortcodes-script', plugins_url('accordion' . $min . '.js', __FILE__), array('jquery'), $this->plugin_version, true); } /** * Prints the accordion JavaScript in the footer * This inlcludes both the accordion jQuery plugin file registered by * 'register_script()' and the accordion settings JavaScript variable. */ public function print_script() { // Check to see if shortcodes are used on page if (!$this->load_script) return; wp_enqueue_script('accordion-shortcodes-script'); // Output accordions settings JavaScript variable wp_localize_script('accordion-shortcodes-script', 'accordionShortcodesSettings', $this->script_data); } /** * Checks if a value is boolean * * @param string $value The value to test * return bool */ private function is_boolean($value) { return filter_var($value, FILTER_VALIDATE_BOOLEAN); } /** * Check for valid HTML tag * Checks the supplied HTML tag against a list of approved tags. * * @param string $tag The HTML tag to test * return string A valid HTML tag */ private function check_html_tag($tag) { $tag = preg_replace('/\s/', '', $tag); $tags = array('h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'p', 'div', 'button'); if (in_array($tag, $tags)) { return $tag; } else { return $this->title_tag; } } /** * Check for valid scroll value * Scroll value must be either an int or bool * * @param int/bool $scroll The scroll offset integer or true/false * return int/bool The scroll offset integer else true/false */ private function check_scroll_value($scroll) { $int = intval($scroll); if (is_int($int) && $int != 0) { return $int; } else { return $this->is_boolean($scroll); } } /** * Get's the ID for an accordion item * * @param string $id If the user set an ID * return array The IDs for the accordion title and item */ private function get_accordion_id($id) { $title_id = $id ? $id : "accordion-$this->group_count-t$this->item_count"; $content_id = $id ? "content-$id" : "accordion-$this->group_count-c$this->item_count"; return array( 'title' => $title_id, 'content' => $content_id ); } /** * Accordion group shortcode */ public function accordion_shortcode($atts, $content = null) { // The shortcode is used on the page, so load the JavaScript $this->load_script = true; // Set accordion counters $this->group_count++; $this->item_count = 0; extract(shortcode_atts(array( 'tag' => '', 'autoclose' => true, 'openfirst' => false, 'openall' => false, 'clicktoclose' => false, 'scroll' => false, 'usebuttons' => false, 'semantics' => '', 'class' => '', ), $atts, 'accordion')); // Set global HTML tag names // Set title HTML tag if ($tag) $this->title_tag = $this->check_html_tag($tag); else $this->title_tag = 'h3'; // Set wrapper HTML tags if ($semantics == 'dl') { $this->wrapper_tag = 'dl'; $this->title_tag = 'dt'; $this->content_tag = 'dd'; } else { $this->wrapper_tag = 'div'; $this->content_tag = 'div'; } if ($usebuttons && $this->is_boolean($usebuttons)) { $this->use_buttons = true; } // Set settings object (for use in JavaScript) $script_data = array( 'id' => "accordion-$this->group_count", 'autoClose' => $this->is_boolean($autoclose), 'openFirst' => $this->is_boolean($openfirst), 'openAll' => $this->is_boolean($openall), 'clickToClose' => $this->is_boolean($clicktoclose), 'scroll' => $this->check_scroll_value($scroll), 'usebuttons' => $this->is_boolean($usebuttons), ); // Add this shortcodes settings instance to the global script data array $this->script_data[] = $script_data; return sprintf('<%2$s id="%3$s" class="accordion no-js%4$s">%1$s', do_shortcode($content), $this->wrapper_tag, "accordion-$this->group_count", $class ? " $class" : '' ); } /** * Accordion item shortcode */ public function accordion_item_shortcode($atts, $content = null) { extract(shortcode_atts(array( 'title' => '', 'id' => '', 'tag' => '', 'class' => '', 'state' => '' ), $atts, 'accordion-item')); // Increment accordion item count $this->item_count++; $ids = $this->get_accordion_id($id); $html_tag = $tag ? $this->check_html_tag($tag) : $this->title_tag; ob_start(); ?> use_buttons) { ?> < class="accordion-title"> > ' . __('Please enter a title attribute', 'accordion_shortcodes') . ''; ?> > < role="button" id="" class="accordion-titleuse_buttons ? ' js-accordion-controller' : ''; echo $class ? " $class" : ''; ?>" aria-controls="" aria-expanded="false" tabindex="0"> ' . __('Please enter a title attribute', 'accordion_shortcodes') . ''; ?> > <content_tag; ?> id="" class="accordion-content" aria-hidden="true"> content_tag; ?>> %s', 'http://wordpress.org/plugins/accordion-shortcodes/', _x('Documentation', 'link to documentation on wordpress.org site', 'accordion_shortcodes') )); return $links; } } $Accordion_Shortcodes = new Accordion_Shortcodes; endif;