| // +----------------------------------------------------------------------+ /** * Frontend module class. * * @category Visualizer * @package Module * * @since 1.0.0 */ class Visualizer_Module_Frontend extends Visualizer_Module { const NAME = __CLASS__; /** * The array of charts to render. * * @since 1.0.0 * * @access private * @var array */ private $_charts = array(); /** * Constructor. * * @since 1.0.0 * @uses add_filter() To add "do_shortcode" hook for "widget_text" and "term_description" filters. * * @access public * @param Visualizer_Plugin $plugin The instance of the plugin. */ public function __construct( Visualizer_Plugin $plugin ) { parent::__construct( $plugin ); $this->_addAction( 'wp_enqueue_scripts', 'enqueueScripts' ); $this->_addFilter( 'visualizer_get_language', 'getLanguage' ); $this->_addShortcode( 'visualizer', 'renderChart' ); // add do_shortocde hook for widget_text filter if ( ! has_filter( 'widget_text', 'do_shortcode' ) ) { add_filter( 'widget_text', 'do_shortcode' ); } // add do_shortcode hook for term_description filter if ( ! has_filter( 'term_description', 'do_shortcode' ) ) { add_filter( 'term_description', 'do_shortcode' ); } add_action( 'rest_api_init', array( $this, 'endpoint_register' ) ); } /** * Returns the language/locale. */ function getLanguage( $dummy, $only_language ) { return $this->get_language(); } /** * Registers the endpoints */ function endpoint_register() { register_rest_route( 'visualizer/v' . VISUALIZER_REST_VERSION, '/action/(?P\d+)/(?P.+)/', array( 'methods' => array( 'GET', 'POST' ), 'callback' => array( $this, 'perform_action' ), ) ); } /** * All possible actions and their labels * * @access private */ private function get_actions() { return apply_filters( 'visualizer_action_buttons', array( 'print' => __( 'Print', 'visualizer' ), 'csv' => __( 'CSV', 'visualizer' ), 'xls' => __( 'Excel', 'visualizer' ), 'copy' => __( 'Copy', 'visualizer' ), ) ); } /** * The print button * * @since 1.0.0 * * @access public */ public function perform_action( WP_REST_Request $params ) { $chart_id = filter_var( sanitize_text_field( $params['chart'] ), FILTER_VALIDATE_INT ); $type = sanitize_text_field( $params['type'] ); $data = null; if ( ! $chart_id ) { return new WP_REST_Response( array( 'error' => new WP_Error( __( 'Invalid chart ID', 'visualizer' ) ) ) ); } if ( ! $type ) { return new WP_REST_Response( array( 'error' => new WP_Error( __( 'Invalid action', 'visualizer' ) ) ) ); } switch ( $type ) { case 'print': $data = $this->_getDataAs( $chart_id, 'print' ); break; case 'csv': $data = $this->_getDataAs( $chart_id, 'csv' ); break; case 'xls': $data = $this->_getDataAs( $chart_id, 'xls' ); break; default: $data = apply_filters( 'visualizer_action_data', $data, $chart_id, $type, $params, $this ); break; } return new WP_REST_Response( array( 'data' => $data ) ); } /** * Registers scripts for charts rendering. * * @since 1.0.0 * @uses wp_register_script To register javascript file. * * @access public */ public function enqueueScripts() { wp_register_script( 'visualizer-google-jsapi-new', '//www.gstatic.com/charts/loader.js', array(), null, true ); wp_register_script( 'visualizer-google-jsapi-old', '//www.google.com/jsapi', array( 'visualizer-google-jsapi-new' ), null, true ); wp_register_script( 'visualizer-render', VISUALIZER_ABSURL . 'js/render.js', array( 'visualizer-google-jsapi-old', 'jquery' ), Visualizer_Plugin::VERSION, true ); wp_register_script( 'visualizer-clipboardjs', VISUALIZER_ABSURL . 'js/lib/clipboardjs/clipboard.min.js', array( 'jquery' ), Visualizer_Plugin::VERSION, true ); wp_register_style( 'visualizer-front', VISUALIZER_ABSURL . 'css/front.css', array(), Visualizer_Plugin::VERSION ); do_action( 'visualizer_pro_frontend_load_resources' ); } /** * Returns placeholder for chart according to visualizer shortcode attributes. * * @since 1.0.0 * @uses shortcode_atts() To parse income shortocdes. * @uses apply_filters() To filter chart's data and series arrays. * @uses get_post_meta() To fetch chart's meta information. * @uses wp_enqueue_script() To enqueue charts render script. * @uses wp_localize_script() To add chart data to the page inline script. * * @access public * @param array $atts The array of shortcode attributes. */ public function renderChart( $atts ) { global $wp_version; $atts = shortcode_atts( array( 'id' => false, // chart id 'class' => false, // chart class 'series' => false, // series filter hook 'data' => false, // data filter hook 'settings' => false, // data filter hook ), $atts ); // if empty id or chart does not exists, then return empty string if ( ! $atts['id'] || ! ( $chart = get_post( $atts['id'] ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) { return ''; } if ( ! apply_filters( 'visualizer_pro_show_chart', true, $atts['id'] ) ) { return ''; } $id = 'visualizer-' . $atts['id']; $defaultClass = 'visualizer-front'; $class = apply_filters( Visualizer_Plugin::FILTER_CHART_WRAPPER_CLASS, $atts['class'], $atts['id'] ); $class = $defaultClass . ' ' . $class . ' ' . 'visualizer-front-' . $atts['id']; $class = ! empty( $class ) ? ' class="' . trim( $class ) . '"' : ''; $type = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true ); // faetch and update settings $settings = get_post_meta( $chart->ID, Visualizer_Plugin::CF_SETTINGS, true ); if ( empty( $settings['height'] ) ) { $settings['height'] = '400'; } // handle series filter hooks $series = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SERIES, get_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, true ), $chart->ID, $type ); if ( ! empty( $atts['series'] ) ) { $series = apply_filters( $atts['series'], $series, $chart->ID, $type ); } // handle settings filter hooks $settings = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SETTINGS, $settings, $chart->ID, $type ); if ( ! empty( $atts['settings'] ) ) { $settings = apply_filters( $atts['settings'], $settings, $chart->ID, $type ); } // handle data filter hooks $data = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, unserialize( $chart->post_content ), $chart->ID, $type ); if ( ! empty( $atts['data'] ) ) { $data = apply_filters( $atts['data'], $data, $chart->ID, $type ); } $id = $id . '-' . rand(); $arguments = array( '', $id, $settings ); apply_filters_ref_array( 'visualizer_pro_inline_css', array( &$arguments ) ); $css = $arguments[0]; $settings = $arguments[2]; // add chart to the array $this->_charts[ $id ] = array( 'type' => $type, 'series' => $series, 'settings' => $settings, 'data' => $data, ); // enqueue visualizer render and update render localizations wp_enqueue_script( 'visualizer-render' ); wp_localize_script( 'visualizer-render', 'visualizer', array( 'charts' => $this->_charts, 'language' => $this->get_language(), 'map_api_key' => get_option( 'visualizer-map-api-key' ), 'rest_url' => version_compare( $wp_version, '4.7.0', '>=' ) ? rest_url( 'visualizer/v' . VISUALIZER_REST_VERSION . '/action/#id#/#type#/' ) : '', 'i10n' => array( 'copied' => __( 'Copied!', 'visualizer' ), ), ) ); wp_enqueue_style( 'visualizer-front' ); $actions_div = ''; $actions_visible = apply_filters( 'visualizer_pro_add_actions', isset( $settings['actions'] ) ? $settings['actions'] : array(), $atts['id'] ); if ( ! empty( $actions_visible ) ) { $actions = $this->get_actions(); $actions_div = '

'; foreach ( $actions_visible as $action_type ) { $key = $action_type; $mime = ''; if ( strpos( $action_type, ';' ) !== false ) { $array = explode( ';', $action_type ); $key = $array[0]; $mime = end( $array ); } $label = $actions[ $key ]; $actions_div .= '_getDataAs( $atts['id'], 'csv' ); $actions_div .= ' data-clipboard-text="' . esc_attr( $copy['csv'] ) . '"'; wp_enqueue_script( 'visualizer-clipboardjs' ); } $actions_div .= apply_filters( 'visualizer_action_attributes', '', $key, $atts['id'] ); $actions_div .= '>' . $label . ' '; } $actions_div .= '

'; } $actions_div .= $css; // return placeholder div return $actions_div . '

'; } }