# visualizer/1.4.2.2/classes/Visualizer/Module/Chart.php Visualizer – Tables & Charts Manager with Built-in AI Generator, version 1.4.2.2. 514 lines. - Page: https://pluginprobe.com/plugins/visualizer/1.4.2.2/code/classes/Visualizer/Module/Chart.php - Raw: https://pluginprobe.com/plugins/visualizer/1.4.2.2/raw/classes/Visualizer/Module/Chart.php - Modified: 2014-03-23T11:58:58+00:00 Line numbers below start at 1. Link to a line or a range by appending a fragment to the page URL, for example `https://pluginprobe.com/plugins/visualizer/1.4.2.2/code/classes/Visualizer/Module/Chart.php#L10-L20`. ```php | // +----------------------------------------------------------------------+ /** * The module for all stuff related to getting, editing, creating and deleting charts. * * @category Visualizer * @package Module * * @since 1.0.0 */ class Visualizer_Module_Chart extends Visualizer_Module { const NAME = __CLASS__; /** * The chart object. * * @since 1.0.0 * * @access private * @var WP_Post */ private $_chart; /** * Constructor. * * @since 1.0.0 * * @access public * @param Visualizer_Plugin $plugin The instance of the plugin. */ public function __construct( Visualizer_Plugin $plugin ) { parent::__construct( $plugin ); $this->_addAjaxAction( Visualizer_Plugin::ACTION_GET_CHARTS, 'getCharts' ); $this->_addAjaxAction( Visualizer_Plugin::ACTION_DELETE_CHART, 'deleteChart' ); $this->_addAjaxAction( Visualizer_Plugin::ACTION_CREATE_CHART, 'renderChartPages' ); $this->_addAjaxAction( Visualizer_Plugin::ACTION_EDIT_CHART, 'renderChartPages' ); $this->_addAjaxAction( Visualizer_Plugin::ACTION_UPLOAD_DATA, 'uploadData' ); $this->_addAjaxAction( Visualizer_Plugin::ACTION_CLONE_CHART, 'cloneChart' ); } /** * Sends json response. * * @since 1.0.0 * * @access private * @param array $results The response array. */ private function _sendResponse( $results ) { header( 'Content-type: application/json' ); nocache_headers(); echo json_encode( $results ); exit; } /** * Returns chart data required for rendering. * * @since 1.0.0 * * @access private * @param WP_Post $chart The chart object. * @return array The array of chart data. */ private function _getChartArray( WP_Post $chart = null ) { if ( is_null( $chart ) ) { $chart = $this->_chart; } $type = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true ); $series = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SERIES, get_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, true ), $chart->ID, $type ); $data = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, unserialize( $chart->post_content ), $chart->ID, $type ); return array( 'type' => $type, 'series' => $series, 'settings' => get_post_meta( $chart->ID, Visualizer_Plugin::CF_SETTINGS, true ), 'data' => $data, ); } /** * Fetches charts from database. * * @since 1.0.0 * * @access public */ public function getCharts() { $query_args = array( 'post_type' => Visualizer_Plugin::CPT_VISUALIZER, 'posts_per_page' => 9, 'paged' => filter_input( INPUT_GET, 'page', FILTER_VALIDATE_INT, array( 'options' => array( 'min_range' => 1, 'default' => 1, ) ) ) ); $filter = filter_input( INPUT_GET, 'filter' ); if ( $filter && in_array( $filter, Visualizer_Plugin::getChartTypes() ) ) { $query_args['meta_query'] = array( array( 'key' => Visualizer_Plugin::CF_CHART_TYPE, 'value' => $filter, 'compare' => '=', ), ); } $query = new WP_Query( $query_args ); $charts = array(); while( $query->have_posts() ) { $chart = $query->next_post(); $chart_data = $this->_getChartArray( $chart ); $chart_data['id'] = $chart->ID; $charts[] = $chart_data; } $this->_sendResponse( array( 'success' => true, 'data' => $charts, 'total' => $query->max_num_pages, ) ); } /** * Deletes a chart from database. * * @since 1.0.0 * @uses wp_delete_post() To delete a chart. * * @access public */ public function deleteChart() { $is_post = $_SERVER['REQUEST_METHOD'] == 'POST'; $input_method = $is_post ? INPUT_POST : INPUT_GET; $chart_id = $success = false; $nonce = wp_verify_nonce( filter_input( $input_method, 'nonce' ) ); $capable = current_user_can( 'delete_posts' ); if ( $nonce && $capable ) { $chart_id = filter_input( $input_method, 'chart', FILTER_VALIDATE_INT, array( 'options' => array( 'min_range' => 1 ) ) ); if ( $chart_id ) { $chart = get_post( $chart_id ); $success = $chart && $chart->post_type == Visualizer_Plugin::CPT_VISUALIZER; } } if ( $success ) { wp_delete_post( $chart_id, true ); } if ( $is_post ) { $this->_sendResponse( array( 'success' => $success ) ); } wp_redirect( wp_get_referer() ); exit; } /** * Renders appropriate page for chart builder. Creates new auto draft chart * if no chart has been specified. * * @since 1.0.0 * * @access public */ public function renderChartPages() { define ( 'IFRAME_REQUEST', 1 ); // check chart, if chart not exists, will create new one and redirects to the same page with proper chart id $chart_id = filter_input( INPUT_GET, 'chart', FILTER_VALIDATE_INT ); if ( !$chart_id || !( $chart = get_post( $chart_id ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) { $default_type = 'line'; $source = new Visualizer_Source_Csv( VISUALIZER_ABSPATH . DIRECTORY_SEPARATOR . 'samples' . DIRECTORY_SEPARATOR . $default_type . '.csv' ); $source->fetch(); $chart_id = wp_insert_post( array( 'post_type' => Visualizer_Plugin::CPT_VISUALIZER, 'post_title' => 'Visualization', 'post_author' => get_current_user_id(), 'post_status' => 'auto-draft', 'post_content' => $source->getData(), ) ); if ( $chart_id && !is_wp_error( $chart_id ) ) { add_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, $default_type ); add_post_meta( $chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, 1 ); add_post_meta( $chart_id, Visualizer_Plugin::CF_SOURCE, $source->getSourceName() ); add_post_meta( $chart_id, Visualizer_Plugin::CF_SERIES, $source->getSeries() ); add_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, array() ); } wp_redirect( add_query_arg( 'chart', (int)$chart_id ) ); exit; } // enqueue and register scripts and styles wp_register_style( 'visualizer-frame', VISUALIZER_ABSURL . 'css/frame.css', array(), Visualizer_Plugin::VERSION ); wp_register_script( 'visualizer-frame', VISUALIZER_ABSURL . 'js/frame.js', array( 'jquery' ), Visualizer_Plugin::VERSION, true ); wp_register_script( 'google-jsapi', '//www.google.com/jsapi', array(), null, true ); wp_register_script( 'visualizer-render', VISUALIZER_ABSURL . 'js/render.js', array( 'google-jsapi', 'visualizer-frame' ), Visualizer_Plugin::VERSION, true ); wp_register_script( 'visualizer-preview', VISUALIZER_ABSURL . 'js/preview.js', array( 'wp-color-picker', 'visualizer-render' ), Visualizer_Plugin::VERSION, true ); // dispatch pages $this->_chart = $chart; switch ( filter_input( INPUT_GET, 'tab' ) ) { case 'data': $this->_handleDataPage(); break; case 'settings': $this->_handleSettingsPage(); break; case 'type': default: $this->_handleTypesPage(); break; } exit; } /** * Handles chart type selection page. * * @since 1.0.0 * * @access private */ private function _handleTypesPage() { // process post request if ( $_SERVER['REQUEST_METHOD'] == 'POST' && wp_verify_nonce( filter_input( INPUT_POST, 'nonce' ) ) ) { $type = filter_input( INPUT_POST, 'type' ); if ( in_array( $type, Visualizer_Plugin::getChartTypes() ) ) { // save new chart type update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_CHART_TYPE, $type ); // if the chart has default data, update it with appropriate default data for new type if ( filter_var( get_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_DEFAULT_DATA, true ), FILTER_VALIDATE_BOOLEAN ) ) { $source = new Visualizer_Source_Csv( VISUALIZER_ABSPATH . DIRECTORY_SEPARATOR . 'samples' . DIRECTORY_SEPARATOR . $type . '.csv' ); $source->fetch(); $this->_chart->post_content = $source->getData(); wp_update_post( $this->_chart->to_array() ); update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_SERIES, $source->getSeries() ); } // redirect to next tab wp_redirect( add_query_arg( 'tab', 'data' ) ); return; } } $render = new Visualizer_Render_Page_Types(); $render->type = get_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true ); $render->types = Visualizer_Plugin::getChartTypes(); $render->chart = $this->_chart; wp_enqueue_style( 'visualizer-frame' ); wp_enqueue_script( 'visualizer-frame' ); wp_iframe( array( $render, 'render') ); } /** * Handles chart data page. * * @since 1.0.0 * * @access private */ private function _handleDataPage() { $data = $this->_getChartArray(); $render = new Visualizer_Render_Page_Data(); $render->chart = $this->_chart; $render->type = $data['type']; unset( $data['settings']['width'], $data['settings']['height'] ); wp_enqueue_style( 'visualizer-frame' ); wp_enqueue_script( 'visualizer-render' ); wp_localize_script( 'visualizer-render', 'visualizer', array( 'l10n' => array( 'remotecsv_prompt' => esc_html__( 'Please, enter the URL of CSV file:', Visualizer_Plugin::NAME ), 'invalid_source' => esc_html__( 'You have entered invalid URL. Please, insert proper URL.', Visualizer_Plugin::NAME ), ), 'charts' => array( 'canvas' => $data, ), ) ); $this->_addAction( 'admin_head', 'renderFlattrScript' ); wp_iframe( array( $render, 'render') ); } /** * Handles chart settigns page. * * @since 1.0.0 * * @access private */ private function _handleSettingsPage() { if ( $_SERVER['REQUEST_METHOD'] == 'POST' && wp_verify_nonce( filter_input( INPUT_GET, 'nonce' ) ) ) { if ( $this->_chart->post_status == 'auto-draft' ) { $this->_chart->post_status = 'publish'; wp_update_post( $this->_chart->to_array() ); } update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_SETTINGS, $_POST ); $render = new Visualizer_Render_Page_Send(); $render->text = sprintf( '[visualizer id="%d"]', $this->_chart->ID ); wp_iframe( array( $render, 'render') ); return; } $data = $this->_getChartArray(); $sidebar = ''; $sidebar_class = 'Visualizer_Render_Sidebar_Type_' . ucfirst( $data['type'] ); if ( class_exists( $sidebar_class, true ) ) { $sidebar = new $sidebar_class( $data['settings'] ); $sidebar->__series = $data['series']; $sidebar->__data = $data['data']; } unset( $data['settings']['width'], $data['settings']['height'] ); wp_enqueue_style( 'wp-color-picker' ); wp_enqueue_style( 'visualizer-frame' ); wp_enqueue_script( 'visualizer-preview' ); wp_localize_script( 'visualizer-render', 'visualizer', array( 'charts' => array( 'canvas' => $data, ), ) ); $render = new Visualizer_Render_Page_Settings(); $render->sidebar = $sidebar; if ( filter_input( INPUT_GET, 'library', FILTER_VALIDATE_BOOLEAN ) ) { $render->button = filter_input( INPUT_GET, 'action' ) == Visualizer_Plugin::ACTION_EDIT_CHART ? esc_html__( 'Save Chart', Visualizer_Plugin::NAME ) : esc_html__( 'Create Chart', Visualizer_Plugin::NAME ); } else { $render->button = esc_attr__( 'Insert Chart', Visualizer_Plugin::NAME ); } $this->_addAction( 'admin_head', 'renderFlattrScript' ); wp_iframe( array( $render, 'render') ); } /** * Renders flattr script in the iframe * * @since 1.4.2 * @action admin_head * * @access public */ public function renderFlattrScript() { echo << /* */ EOL; } /** * Parses uploaded CSV file and saves new data for the chart. * * @since 1.0.0 * * @access public */ public function uploadData() { // validate nonce if ( !wp_verify_nonce( filter_input( INPUT_GET, 'nonce' ) ) ) { status_header( 403 ); exit; } // check chart, if chart exists $chart_id = filter_input( INPUT_GET, 'chart', FILTER_VALIDATE_INT ); if ( !$chart_id || !( $chart = get_post( $chart_id ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) { status_header( 400 ); exit; } $source = null; $render = new Visualizer_Render_Page_Update(); if ( filter_input( INPUT_POST, 'remote_data', FILTER_VALIDATE_URL ) ) { $source = new Visualizer_Source_Csv_Remote( $_POST['remote_data'] ); } elseif ( isset( $_FILES['local_data'] ) && $_FILES['local_data']['error'] == 0 ) { $source = new Visualizer_Source_Csv( $_FILES['local_data']['tmp_name'] ); } else { $render->message = esc_html__( "CSV file with chart data was not uploaded. Please, try again.", Visualizer_Plugin::NAME ); } if ( $source ) { if ( $source->fetch() ) { $chart->post_content = $source->getData(); wp_update_post( $chart->to_array() ); update_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, $source->getSeries() ); update_post_meta( $chart->ID, Visualizer_Plugin::CF_SOURCE, $source->getSourceName() ); update_post_meta( $chart->ID, Visualizer_Plugin::CF_DEFAULT_DATA, 0 ); $render->data = json_encode( $source->getRawData() ); $render->series = json_encode( $source->getSeries() ); } else { $render->message = esc_html__( "CSV file is broken or invalid. Please, try again.", Visualizer_Plugin::NAME ); } } $render->render(); exit; } /** * Clones the chart. * * @since 1.0.0 * * @access public */ public function cloneChart() { $chart_id = $success = false; $nonce = wp_verify_nonce( filter_input( INPUT_GET, 'nonce' ), Visualizer_Plugin::ACTION_CLONE_CHART ); $capable = current_user_can( 'edit_posts' ); if ( $nonce && $capable ) { $chart_id = filter_input( INPUT_GET, 'chart', FILTER_VALIDATE_INT, array( 'options' => array( 'min_range' => 1 ) ) ); if ( $chart_id ) { $chart = get_post( $chart_id ); $success = $chart && $chart->post_type == Visualizer_Plugin::CPT_VISUALIZER; } } $redirect = wp_get_referer(); if ( $success ) { $new_chart_id = wp_insert_post( array( 'post_type' => Visualizer_Plugin::CPT_VISUALIZER, 'post_title' => 'Visualization', 'post_author' => get_current_user_id(), 'post_status' => $chart->post_status, 'post_content' => $chart->post_content, ) ); if ( $new_chart_id && !is_wp_error( $new_chart_id ) ) { add_post_meta( $new_chart_id, Visualizer_Plugin::CF_CHART_TYPE, get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, true ) ); add_post_meta( $new_chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, get_post_meta( $chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, true ) ); add_post_meta( $new_chart_id, Visualizer_Plugin::CF_SOURCE, get_post_meta( $chart_id, Visualizer_Plugin::CF_SOURCE, true ) ); add_post_meta( $new_chart_id, Visualizer_Plugin::CF_SERIES, get_post_meta( $chart_id, Visualizer_Plugin::CF_SERIES, true ) ); add_post_meta( $new_chart_id, Visualizer_Plugin::CF_SETTINGS, get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true ) ); $redirect = add_query_arg( array( 'page' => 'visualizer', 'type' => filter_input( INPUT_GET, 'type' ), ), admin_url( 'upload.php' ) ); } } wp_redirect( $redirect ); exit; } } ```