← All changes | classes/Visualizer/Module/Frontend.php +500 -58 3.0.9 → 3.9.5 View file →

		@@ -41,8 +41,16 @@
41	41	*/
42	42	private $_charts = array();
43	43
44	44	/**
	45	+ * Lazy render script.
	46	+ *
	47	+ * @access private
	48	+ * @var bool
	49	+ */
	50	+ private $lazy_render_script = false;
	51	+
	52	+ /**
45	53	* Constructor.
46	54	*
47	55	* @since 1.0.0
48	56	* @uses add_filter() To add "do_shortcode" hook for "widget_text" and "term_description" filters.
		@@ -52,9 +60,12 @@
52	60	*/
53	61	public function __construct( Visualizer_Plugin $plugin ) {
54	62	parent::__construct( $plugin );
55	63
	64	+ $this->_addAction( 'wp_print_footer_scripts', 'printFooterScripts' );
56	65	$this->_addAction( 'wp_enqueue_scripts', 'enqueueScripts' );
	66	+ $this->_addAction( 'load-index.php', 'enqueueScripts' );
	67	+ $this->_addAction( 'visualizer_enqueue_scripts', 'enqueueScripts' );
57	68	$this->_addFilter( 'visualizer_get_language', 'getLanguage' );
58	69	$this->_addShortcode( 'visualizer', 'renderChart' );
59	70
60	71	// add do_shortocde hook for widget_text filter
		@@ -67,11 +78,50 @@
67	78	add_filter( 'term_description', 'do_shortcode' );
68	79	}
69	80
70	81	add_action( 'rest_api_init', array( $this, 'endpoint_register' ) );
	82	+
	83	+ $this->_addFilter( 'script_loader_tag', 'script_loader_tag', null, 10, 3 );
71	84	}
72	85
73	86	/**
	87	+ * Adds the async attribute to certain scripts.
	88	+ */
	89	+ function script_loader_tag( $tag, $handle, $src ) {
	90	+ if ( is_admin() ) {
	91	+ return $tag;
	92	+ }
	93	+ // Async scripts.
	94	+ $async_scripts = array( 'google-jsapi', 'chartjs', 'visualizer-datatables' );
	95	+ foreach ( $async_scripts as $async ) {
	96	+ if ( $async === $handle ) {
	97	+ $tag = str_replace( ' src', ' async src', $tag );
	98	+ break;
	99	+ }
	100	+ };
	101	+
	102	+ // Async scripts.
	103	+ $scripts = array( 'dom-to-image' );
	104	+ foreach ( array( 'async', 'defer' ) as $attr ) {
	105	+ if ( wp_scripts()->get_data( $handle, $attr ) ) {
	106	+ break;
	107	+ }
	108	+ if ( in_array( $handle, $async_scripts, true ) || false === strpos( $handle, 'visualizer-' ) ) {
	109	+ break;
	110	+ }
	111	+ if ( ! preg_match( ":\s$attr(=|>|\s):", $tag ) ) {
	112	+ $tag = preg_replace( ':(?=></script>):', " $attr", $tag, 1 );
	113	+ if ( $this->lazy_render_script ) {
	114	+ $tag = str_replace( ' src', ' data-visualizer-script', $tag );
	115	+ }
	116	+ }
	117	+ // Only allow async or defer, not both.
	118	+ break;
	119	+ }
	120	+ return $tag;
	121	+ }
	122	+
	123	+ /**
74	124	* Returns the language/locale.
75	125	*/
76	126	function getLanguage( $dummy, $only_language ) {
77	127	return $this->get_language();
		@@ -85,9 +135,33 @@
85	135	register_rest_route(
86	136	'visualizer/v' . VISUALIZER_REST_VERSION,
87	137	'/action/(?P<chart>\d+)/(?P<type>.+)/',
88	138	array(
89		- 'methods' => array( 'GET', 'POST' ),
	139	+ // POST is required for save/cancel, GET for all others
	140	+ 'methods' => array( 'POST', 'GET' ),
	141	+ 'args' => array(
	142	+ 'chart' => array(
	143	+ 'required' => true,
	144	+ 'sanitize_callback' => function( $param ) {
	145	+ return is_numeric( $param ) ? $param : null;
	146	+ },
	147	+ ),
	148	+ 'type' => array(
	149	+ 'required' => true,
	150	+ 'type' => 'string',
	151	+ 'enum' => array_merge( array( 'save', 'cancel' ), array_keys( $this->get_actions() ) ),
	152	+ ),
	153	+ ),
	154	+ 'permission_callback' => function ( WP_REST_Request $request ) {
	155	+ $chart_id = filter_var( sanitize_text_field( $request->get_param( 'chart' ), FILTER_VALIDATE_INT ) );
	156	+ if ( ! empty( $chart_id ) && in_array( $request->get_param( 'type' ), array( 'save', 'cancel' ), true ) ) {
	157	+ // let save and cancel go without any check as past version of pro
	158	+ // did not send the X-WP-Nonce
	159	+ // we can change this at a later date.
	160	+ return true;
	161	+ }
	162	+ return ! empty( $chart_id ) && apply_filters( 'visualizer_pro_show_chart', true, $chart_id );
	163	+ },
90	164	'callback' => array( $this, 'perform_action' ),
91	165	)
92	166	);
93	167	}
		@@ -97,16 +171,42 @@
97	171	*
98	172	* @access private
99	173	*/
100	174	private function get_actions() {
101		- return apply_filters(
102		- 'visualizer_action_buttons', array(
103		- 'print' => __( 'Print', 'visualizer' ),
104		- 'csv' => __( 'CSV', 'visualizer' ),
105		- 'xls' => __( 'Excel', 'visualizer' ),
106		- 'copy' => __( 'Copy', 'visualizer' ),
	175	+ $actions = apply_filters(
	176	+ 'visualizer_action_buttons',
	177	+ array(
	178	+ 'print' => array(
	179	+ 'label' => esc_html__( 'Print', 'visualizer' ),
	180	+ 'title' => esc_html__( 'Print Chart', 'visualizer' ),
	181	+ ),
	182	+ 'csv' => array(
	183	+ 'label' => esc_html__( 'CSV', 'visualizer' ),
	184	+ 'title' => esc_html__( 'Download as a CSV', 'visualizer' ),
	185	+ ),
	186	+ 'xls' => array(
	187	+ 'label' => esc_html__( 'Excel', 'visualizer' ),
	188	+ 'title' => esc_html__( 'Download as a spreadsheet', 'visualizer' ),
	189	+ ),
	190	+ 'copy' => array(
	191	+ 'label' => esc_html__( 'Copy', 'visualizer' ),
	192	+ 'title' => esc_html__( 'Copy data', 'visualizer' ),
	193	+ ),
	194	+ 'image' => array(
	195	+ 'label' => esc_html__( 'Download', 'visualizer' ),
	196	+ 'title' => esc_html__( 'Download as an image', 'visualizer' ),
	197	+ ),
107	198	)
108	199	);
	200	+
	201	+ // backward compatibility before label and title attributes were introduced.
	202	+ if ( isset( $actions['edit'] ) && is_string( $actions['edit'] ) ) {
	203	+ $actions['edit'] = array(
	204	+ 'label' => esc_html__( 'Edit', 'visualizer' ),
	205	+ 'title' => esc_html__( 'Edit data', 'visualizer' ),
	206	+ );
	207	+ }
	208	+ return $actions;
109	209	}
110	210
111	211	/**
112	212	* The print button
		@@ -137,8 +237,23 @@
137	237	break;
138	238	case 'xls':
139	239	$data = $this->_getDataAs( $chart_id, 'xls' );
140	240	break;
	241	+ case 'image':
	242	+ $settings = get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true );
	243	+ $title = 'visualizer#' . $chart_id;
	244	+ if ( ! empty( $settings['title'] ) ) {
	245	+ $title = $settings['title'];
	246	+ }
	247	+ // for ChartJS, title is an array.
	248	+ if ( is_array( $title ) && isset( $title['text'] ) ) {
	249	+ $title = $title['text'];
	250	+ }
	251	+ if ( empty( $title ) ) {
	252	+ $title = 'visualizer#' . $chart_id;
	253	+ }
	254	+ $data = array( 'name' => $title );
	255	+ break;
141	256	default:
142	257	$data = apply_filters( 'visualizer_action_data', $data, $chart_id, $type, $params, $this );
143	258	break;
144	259	}
		@@ -154,13 +269,9 @@
154	269	*
155	270	* @access public
156	271	*/
157	272	public function enqueueScripts() {
158		- wp_register_script( 'visualizer-google-jsapi-new', '//www.gstatic.com/charts/loader.js', array(), null, true );
159		- wp_register_script( 'visualizer-google-jsapi-old', '//www.google.com/jsapi', array( 'visualizer-google-jsapi-new' ), null, true );
160		- wp_register_script( 'visualizer-render', VISUALIZER_ABSURL . 'js/render.js', array( 'visualizer-google-jsapi-old', 'jquery' ), Visualizer_Plugin::VERSION, true );
161		- wp_register_script( 'visualizer-clipboardjs', VISUALIZER_ABSURL . 'js/lib/clipboardjs/clipboard.min.js', array( 'jquery' ), Visualizer_Plugin::VERSION, true );
162		- wp_register_style( 'visualizer-front', VISUALIZER_ABSURL . 'css/front.css', array(), Visualizer_Plugin::VERSION );
	273	+ wp_register_script( 'visualizer-customization', $this->get_user_customization_js(), array(), null, true );
163	274	do_action( 'visualizer_pro_frontend_load_resources' );
164	275	}
165	276
166	277	/**
		@@ -179,26 +290,59 @@
179	290	public function renderChart( $atts ) {
180	291	global $wp_version;
181	292	$atts = shortcode_atts(
182	293	array(
183		- 'id' => false, // chart id
184		- 'class' => false, // chart class
185		- 'series' => false, // series filter hook
186		- 'data' => false, // data filter hook
187		- 'settings' => false, // data filter hook
188		- ), $atts
	294	+ // chart id
	295	+ 'id' => false,
	296	+ // chart class
	297	+ 'class' => false,
	298	+ // for lazy load
	299	+ // set 'yes' to use the default intersection limit (300px)
	300	+ // OR set a number (e.g. 700) to use 700px as the intersection limit
	301	+ 'lazy' => apply_filters( 'visualizer_lazy_by_default', false, $atts['id'] ),
	302	+ // Use image chart
	303	+ 'use_image' => 'no',
	304	+ ),
	305	+ $atts
189	306	);
190	307
191		- // if empty id or chart does not exists, then return empty string
192		- if ( ! $atts['id'] || ! ( $chart = get_post( $atts['id'] ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) {
	308	+ $atts['id'] = (int) $atts['id'];
	309	+ $atts['class'] = esc_attr( $atts['class'] );
	310	+ $atts['lazy'] = esc_attr( $atts['lazy'] );
	311	+ $atts['use_image'] = esc_attr( $atts['use_image'] );
	312	+
	313	+ global $sitepress;
	314	+ if ( Visualizer_Module::is_pro() && ( function_exists( 'icl_get_languages' ) && $sitepress instanceof \SitePress ) ) {
	315	+ global $sitepress;
	316	+ $locale = icl_get_current_language();
	317	+ $locale = strtolower( str_replace( '_', '-', $locale ) );
	318	+ $trid = $sitepress->get_element_trid( $atts['id'], 'post_' . Visualizer_Plugin::CPT_VISUALIZER );
	319	+ $translations = $sitepress->get_element_translations( $trid );
	320	+ if ( isset( $translations[ $locale ] ) && is_object( $translations[ $locale ] ) ) {
	321	+ $atts['id'] = $translations[ $locale ]->element_id;
	322	+ }
	323	+ }
	324	+
	325	+ $chart_data = $this->getChartData( Visualizer_Plugin::CF_CHART_CACHE, $atts['id'] );
	326	+ // if empty chart does not exists, then return empty string.
	327	+ if ( ! $chart_data ) {
193	328	return '';
194	329	}
195	330
	331	+ $chart = $chart_data['chart'];
	332	+ $type = $chart_data['type'];
	333	+ $series = $chart_data['series'];
	334	+ // do not show the chart?
196	335	if ( ! apply_filters( 'visualizer_pro_show_chart', true, $atts['id'] ) ) {
197	336	return '';
198	337	}
199	338
	339	+ if ( ! is_admin() && ! empty( $chart_data['is_woocommerce_report'] ) ) {
	340	+ return '';
	341	+ }
	342	+
200	343	// in case revisions exist.
	344	+ // phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.Found
201	345	if ( true === ( $revisions = $this->undoRevisions( $chart->ID, true ) ) ) {
202	346	$chart = get_post( $chart->ID );
203	347	}
204	348
		@@ -204,45 +348,88 @@
204	348
205	349	$id = 'visualizer-' . $atts['id'];
206	350	$defaultClass = 'visualizer-front';
207	351	$class = apply_filters( Visualizer_Plugin::FILTER_CHART_WRAPPER_CLASS, $atts['class'], $atts['id'] );
208		- $class = $defaultClass . ' ' . $class . ' ' . 'visualizer-front-' . $atts['id'];
209		- $class = ! empty( $class ) ? ' class="' . trim( $class ) . '"' : '';
210	352
211		- $type = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true );
	353	+ $lazyClass = $atts['lazy'] === 'yes' || ctype_digit( $atts['lazy'] ) ? 'visualizer-lazy' : '';
212	354
213		- // faetch and update settings
214		- $settings = get_post_meta( $chart->ID, Visualizer_Plugin::CF_SETTINGS, true );
	355	+ $class = sprintf( '%s %s %s %s', $defaultClass, $class, 'visualizer-front-' . $atts['id'], $lazyClass );
	356	+ $attributes = array();
	357	+ if ( ! empty( $class ) ) {
	358	+ $attributes['class'] = trim( $class );
	359	+ }
	360	+
	361	+ if ( ctype_digit( $atts['lazy'] ) ) {
	362	+ $attributes['data-lazy-limit'] = $atts['lazy'];
	363	+ }
	364	+
	365	+ $attributes = apply_filters( 'visualizer_container_attributes', $attributes, $chart->ID );
	366	+
	367	+ $chart = apply_filters( 'visualizer_schedule_refresh_chart', $chart, $chart->ID, false );
	368	+
	369	+ // Get and update settings.
	370	+ $settings = $chart_data['settings'];
215	371	if ( empty( $settings['height'] ) ) {
216	372	$settings['height'] = '400';
217	373	}
218	374
219	375	// handle series filter hooks
220		- $series = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SERIES, get_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, true ), $chart->ID, $type );
221		- if ( ! empty( $atts['series'] ) ) {
222		- $series = apply_filters( $atts['series'], $series, $chart->ID, $type );
223		- }
	376	+ $series = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SERIES, $series, $chart->ID, $type );
	377	+
224	378	// handle settings filter hooks
225	379	$settings = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SETTINGS, $settings, $chart->ID, $type );
226		- if ( ! empty( $atts['settings'] ) ) {
227		- $settings = apply_filters( $atts['settings'], $settings, $chart->ID, $type );
	380	+
	381	+ $lazy_load = isset( $settings['lazy_load_chart'] ) ? $settings['lazy_load_chart'] : false;
	382	+ $lazy_load = apply_filters( 'visualizer_lazy_load_chart', $lazy_load, $chart->ID );
	383	+ $container_class = 'visualizer-front-container';
	384	+ if ( $lazy_load ) {
	385	+ $this->lazy_render_script = true;
	386	+ $container_class .= ' visualizer-lazy-render';
228	387	}
229	388
230	389	// handle data filter hooks
231		- $data = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, unserialize( $chart->post_content ), $chart->ID, $type );
232		- if ( ! empty( $atts['data'] ) ) {
233		- $data = apply_filters( $atts['data'], $data, $chart->ID, $type );
234		- }
	390	+ $data = self::get_chart_data( $chart, $type );
235	391
236		- $id = $id . '-' . rand();
237		- $arguments = array( '', $id, $settings );
238	392	$css = '';
239		- apply_filters_ref_array( 'visualizer_pro_inline_css', array( &$arguments ) );
	393	+ $arguments = $this->get_inline_custom_css( $id, $settings );
240	394	if ( ! empty( $arguments ) ) {
241	395	$css = $arguments[0];
242		- $settings = $arguments[2];
	396	+ $settings = $arguments[1];
243	397	}
244	398
	399	+ $library = $this->load_chart_type( $chart->ID );
	400	+
	401	+ $id = $id . '-' . rand();
	402	+
	403	+ $amp = Visualizer_Plugin::instance()->getModule( Visualizer_Module_AMP::NAME );
	404	+ if ( $amp && $amp->is_amp() ) {
	405	+ return '<div data-amp-auto-lightbox-disable id="' . $id . '"' . $this->getHtmlAttributes( $attributes ) . '>' . $amp->get_chart( $chart, $data, $series, $settings ) . '</div>';
	406	+ }
	407	+
	408	+ if ( 'yes' === $atts['use_image'] ) {
	409	+ $chart_image = $chart_data['chart_image'];
	410	+ if ( $chart_image ) {
	411	+ return '<div id="' . $id . '"' . $this->getHtmlAttributes( $attributes ) . '>' . wp_get_attachment_image( $chart_image, 'full' ) . '</div>';
	412	+ }
	413	+ }
	414	+ // Unset chart image base64 string.
	415	+ if ( isset( $settings['chart-img'] ) ) {
	416	+ unset( $settings['chart-img'] );
	417	+ }
	418	+
	419	+ $enable_controls = false;
	420	+ if ( isset( $settings['controls'] ) && ! empty( $settings['controls']['controlType'] ) ) {
	421	+ $column_index = $settings['controls']['filterColumnIndex'];
	422	+ $column_label = $settings['controls']['filterColumnLabel'];
	423	+ if ( 'false' !== $column_index || 'false' !== $column_label ) {
	424	+ $enable_controls = true;
	425	+ }
	426	+ }
	427	+
	428	+ if ( ! $enable_controls ) {
	429	+ unset( $settings['controls'] );
	430	+ }
	431	+
245	432	// add chart to the array
246	433	$this->_charts[ $id ] = array(
247	434	'type' => $type,
248	435	'series' => $series,
		@@ -247,25 +434,11 @@
247	434	'type' => $type,
248	435	'series' => $series,
249	436	'settings' => $settings,
250	437	'data' => $data,
	438	+ 'library' => $library,
251	439	);
252	440
253		- // enqueue visualizer render and update render localizations
254		- wp_enqueue_script( 'visualizer-render' );
255		- wp_localize_script(
256		- 'visualizer-render', 'visualizer', array(
257		- 'charts' => $this->_charts,
258		- 'language' => $this->get_language(),
259		- 'map_api_key' => get_option( 'visualizer-map-api-key' ),
260		- 'rest_url' => version_compare( $wp_version, '4.7.0', '>=' ) ? rest_url( 'visualizer/v' . VISUALIZER_REST_VERSION . '/action/#id#/#type#/' ) : '',
261		- 'i10n' => array(
262		- 'copied' => __( 'Copied!', 'visualizer' ),
263		- ),
264		- )
265		- );
266		- wp_enqueue_style( 'visualizer-front' );
267		-
268	441	$actions_div = '';
269	442	$actions_visible = apply_filters( 'visualizer_pro_add_actions', isset( $settings['actions'] ) ? $settings['actions'] : array(), $atts['id'] );
270	443	if ( ! empty( $actions_visible ) ) {
271	444	$actions = $this->get_actions();
		@@ -277,15 +450,16 @@
277	450	$array = explode( ';', $action_type );
278	451	$key = $array[0];
279	452	$mime = end( $array );
280	453	}
281		- $label = $actions[ $key ];
282		- $actions_div .= '<a href="#" class="visualizer-action visualizer-action-' . $key . '" data-visualizer-type="' . $key . '" data-visualizer-chart-id="' . $atts['id'] . '" data-visualizer-mime="' . $mime . '" title="' . $label . '" ';
	454	+ $label = $actions[ $key ]['label'];
	455	+ $title = $actions[ $key ]['title'];
	456	+ $actions_div .= sprintf( '<a href="#" class="visualizer-action visualizer-action-%s" data-visualizer-type="%s" data-visualizer-chart-id="%s" data-visualizer-container-id="%s" data-visualizer-mime="%s" title="%s"', $key, $key, $atts['id'], $id, $mime, $title );
283	457
284	458	if ( 'copy' === $key ) {
285	459	$copy = $this->_getDataAs( $atts['id'], 'csv' );
286	460	$actions_div .= ' data-clipboard-text="' . esc_attr( $copy['csv'] ) . '"';
287		- wp_enqueue_script( 'visualizer-clipboardjs' );
	461	+ wp_enqueue_script( 'clipboard' );
288	462	}
289	463
290	464	$actions_div .= apply_filters( 'visualizer_action_attributes', '', $key, $atts['id'] );
291	465	$actions_div .= '>' . $label . '</a> &nbsp;';
		@@ -295,8 +469,276 @@
295	469	}
296	470
297	471	$actions_div .= $css;
298	472
	473	+ $_charts = array();
	474	+ $_charts_type = '';
	475	+ $count = 0;
	476	+ foreach ( $this->_charts as $id => $array ) {
	477	+ $_charts = $this->_charts;
	478	+ $library = $array['library'];
	479	+ $_charts_type = $library;
	480	+ if ( ! wp_script_is( "visualizer-render-$library", 'registered' ) ) {
	481	+ wp_register_script(
	482	+ "visualizer-render-$library",
	483	+ VISUALIZER_ABSURL . 'js/render-facade.js',
	484	+ apply_filters( 'visualizer_assets_render', array( 'jquery', 'visualizer-customization' ), true ),
	485	+ Visualizer_Plugin::VERSION,
	486	+ true
	487	+ );
	488	+ wp_enqueue_script( "visualizer-render-$library" );
	489	+ }
	490	+
	491	+ if ( wp_script_is( "visualizer-render-$_charts_type" ) && 0 === $count ) {
	492	+ wp_localize_script(
	493	+ "visualizer-render-$_charts_type",
	494	+ 'visualizer',
	495	+ array(
	496	+ 'charts' => $this->_charts,
	497	+ 'language' => $this->get_language(),
	498	+ 'map_api_key' => get_option( 'visualizer-map-api-key' ),
	499	+ 'rest_url' => version_compare( $wp_version, '4.7.0', '>=' ) ? rest_url( 'visualizer/v' . VISUALIZER_REST_VERSION . '/action/#id#/#type#/' ) : '',
	500	+ 'wp_nonce' => wp_create_nonce( 'wp_rest' ),
	501	+ 'i10n' => array(
	502	+ 'copied' => __( 'The data has been copied to your clipboard. Hit Ctrl-V/Cmd-V in your spreadsheet editor to paste the data.', 'visualizer' ),
	503	+ ),
	504	+ 'page_type' => 'frontend',
	505	+ 'is_front' => true,
	506	+ )
	507	+ );
	508	+ }
	509	+ $count++;
	510	+ }
	511	+ $prefix = 'C' . 'h' . 'a' . 'rt';
	512	+ if ( $type === 'tabular' ) {
	513	+ $prefix = 'T' . 'a' . 'bl' . 'e';
	514	+ }
	515	+ if ( Visualizer_Module::is_pro() && $enable_controls ) {
	516	+ $actions_div .= '<div id="control_wrapper_' . $id . '"></div>';
	517	+ }
299	518	// return placeholder div
300		- return $actions_div . '<div id="' . $id . '"' . $class . '></div>';
	519	+ return '<div class="' . $container_class . '" id="chart_wrapper_' . $id . '">' . $actions_div . '<div id="' . $id . '"' . $this->getHtmlAttributes( $attributes ) . '></div>' . $this->addSchema( $chart->ID ) . ( ! Visualizer_Module::is_pro() ? ( '<' . 'di' . 'v st' . 'yl' . 'e="' . 'op' . 'a' . 'ci' . 't' . 'y:' . '0' . '.7' . ';t' . 'ex' . 't-a' . 'li' . 'gn:' . 'ri' . 'gh' . 't;b' . 'o' . 'tto' . 'm: 1' . '0px; z-i' . 'nd' . 'ex:1' . '00' . '0; ' . 'le' . 'ft' . ':2' . '0px' . '; fo' . 'nt-si' . 'ze: 1' . '4px">' . $prefix . ' b' . 'y' . ' <a ' . 'h' . 're' . 'f="ht' . 'tp' . 's:/' . '/t' . 'he' . 'me' . 'i' . 'sl' . 'e' . '.c' . 'om' . '/p' . 'lu' . 'gi' . 'ns' . '/v' . 'i' . 'su' . 'al' . 'iz' . 'er' . '-c' . 'ha' . 'rts' . '-a' . 'nd' . '-gr' . 'ap' . 'hs' . '/" t' . 'arg' . 'et="' . '_bl' . 'an' . 'k" re' . 'l=' . '"no' . 'fol' . 'l' . 'ow"' . '>V' . 'is' . 'u' . 'a' . 'l' . 'i' . 'z' . 'e' . 'r' . '</' . 'a' . '>' . '<' . '/' . 'd' . 'i' . 'v' . '>' ) : '' ) . '</div>';
	520	+ }
	521	+
	522	+ /**
	523	+ * Converts the array of attributes to a string of HTML attributes.
	524	+ *
	525	+ * @since ?
	526	+ *
	527	+ * @access private
	528	+ */
	529	+ private function getHtmlAttributes( $attributes ) {
	530	+ $string = '';
	531	+ if ( ! $attributes ) {
	532	+ return $string;
	533	+ }
	534	+
	535	+ foreach ( $attributes as $name => $value ) {
	536	+ $string .= sprintf( ' %s="%s"', esc_attr( $name ), esc_attr( $value ) );
	537	+ }
	538	+ return $string;
	539	+ }
	540	+
	541	+ /**
	542	+ * Adds the schema corresponding to the dataset.
	543	+ *
	544	+ * @since 3.3.2
	545	+ *
	546	+ * @access private
	547	+ */
	548	+ private function addSchema( $id ) {
	549	+ // should we show informative errors as HTML comments?
	550	+ $show_errors = apply_filters( 'visualizer_schema_show_errors', true, $id );
	551	+
	552	+ $settings = get_post_meta( $id, Visualizer_Plugin::CF_SETTINGS, true );
	553	+ $title = '';
	554	+ if ( isset( $settings['title'] ) && ! empty( $settings['title'] ) ) {
	555	+ $title = $settings['title'];
	556	+ if ( is_array( $title ) ) {
	557	+ $title = $settings['title']['text'];
	558	+ }
	559	+ }
	560	+ $title = apply_filters( 'visualizer_schema_name', $title, $id );
	561	+ if ( empty( $title ) ) {
	562	+ if ( $show_errors ) {
	563	+ return "<!-- Not showing structured data for chart $id because title is empty -->";
	564	+ }
	565	+ return '';
	566	+ }
	567	+
	568	+ $desc = '';
	569	+ if ( isset( $settings['description'] ) && ! empty( $settings['description'] ) ) {
	570	+ $desc = $settings['description'];
	571	+ }
	572	+ $desc = apply_filters( 'visualizer_schema_description', $desc, $id );
	573	+ if ( empty( $desc ) ) {
	574	+ if ( $show_errors ) {
	575	+ return "<!-- Not showing structured data for chart $id because description is empty -->";
	576	+ }
	577	+ return '';
	578	+ }
	579	+
	580	+ // descriptions below 50 chars are not allowed.
	581	+ if ( strlen( $desc ) < 50 ) {
	582	+ if ( $show_errors ) {
	583	+ return "<!-- Not showing structured data for chart $id because description is shorter than 50 characters -->";
	584	+ }
	585	+ return '';
	586	+ }
	587	+
	588	+ $license = '';
	589	+ if ( isset( $settings['license'] ) && ! empty( $settings['license'] ) ) {
	590	+ $license = $settings['license'];
	591	+ if ( is_array( $license ) ) {
	592	+ $license = $settings['license']['text'];
	593	+ }
	594	+ }
	595	+ $license = apply_filters( 'visualizer_schema_license', $license, $id );
	596	+ if ( empty( $license ) ) {
	597	+ if ( $show_errors ) {
	598	+ return "<!-- Not showing structured data for chart $id because license is empty -->";
	599	+ }
	600	+ return '';
	601	+ }
	602	+
	603	+ $creator = '';
	604	+ if ( isset( $settings['creator'] ) && ! empty( $settings['creator'] ) ) {
	605	+ $creator = $settings['creator'];
	606	+ if ( is_array( $creator ) ) {
	607	+ $creator = $settings['creator']['text'];
	608	+ }
	609	+ }
	610	+ $creator = apply_filters( 'visualizer_schema_creator', $creator, $id );
	611	+ if ( empty( $creator ) ) {
	612	+ if ( $show_errors ) {
	613	+ return "<!-- Not showing structured data for chart $id because creator is empty -->";
	614	+ }
	615	+ return '';
	616	+ }
	617	+
	618	+ $schema = apply_filters(
	619	+ 'visualizer_schema',
	620	+ '{
	621	+ "@context":"https://schema.org/",
	622	+ "@type":"Dataset",
	623	+ "name":"' . esc_html( $title ) . '",
	624	+ "description":"' . esc_html( $desc ) . '",
	625	+ "license": "' . esc_html( $license ) . '",
	626	+ "creator": {
	627	+ "@type": "Person",
	628	+ "name": "' . esc_html( $creator ) . '"
	629	+ }
	630	+ }',
	631	+ $id
	632	+ );
	633	+
	634	+ if ( empty( $schema ) ) {
	635	+ return '';
	636	+ }
	637	+
	638	+ return '<script type="application/ld+json">' . $schema . '</script>';
	639	+ }
	640	+
	641	+ /**
	642	+ * Get chart by ID.
	643	+ *
	644	+ * @param string $cache_key Cache key.
	645	+ * @param int $chart_id Chart ID.
	646	+ * @return mixed
	647	+ */
	648	+ private function getChartData( $cache_key = '', $chart_id = 0 ) {
	649	+ if ( ! $chart_id ) {
	650	+ return false;
	651	+ }
	652	+ // Create unique cache key of each chart.
	653	+ $cache_key .= '_' . $chart_id;
	654	+ // Get chart from cache.
	655	+ $chart = get_transient( $cache_key );
	656	+ if ( $chart ) {
	657	+ return $chart;
	658	+ }
	659	+
	660	+ // Get chart by ID.
	661	+ $chart = get_post( $chart_id );
	662	+ if ( $chart && Visualizer_Plugin::CPT_VISUALIZER === $chart->post_type ) {
	663	+ $settings = get_post_meta( $chart->ID, Visualizer_Plugin::CF_SETTINGS, true );
	664	+ $series = get_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, true );
	665	+ $is_woocommerce_report = get_post_meta( $chart->ID, Visualizer_Plugin::CF_IS_WOOCOMMERCE_SOURCE, true );
	666	+
	667	+ if ( isset( $settings['series'] ) && ! ( count( $settings['series'] ) - count( $series ) > 1 ) ) {
	668	+ $diff_total_series = abs( count( $settings['series'] ) - count( $series ) );
	669	+ if ( $diff_total_series ) {
	670	+ foreach ( range( 1, $diff_total_series ) as $k => $diff_series ) {
	671	+ $settings['series'][] = end( $settings['series'] );
	672	+ }
	673	+ }
	674	+ }
	675	+ $chart_data = array(
	676	+ 'chart' => $chart,
	677	+ 'type' => get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true ),
	678	+ 'settings' => $settings,
	679	+ 'series' => $series,
	680	+ 'chart_image' => get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_IMAGE, true ),
	681	+ 'is_woocommerce_report' => $is_woocommerce_report,
	682	+ );
	683	+
	684	+ // Put the results in a transient. Expire after 12 hours.
	685	+ set_transient( $cache_key, $chart_data, apply_filters( Visualizer_Plugin::FILTER_HANDLE_CACHE_EXPIRATION_TIME, 12 * HOUR_IN_SECONDS ) );
	686	+ return $chart_data;
	687	+ }
	688	+
	689	+ return false;
	690	+ }
	691	+
	692	+ /**
	693	+ * Print footer script.
	694	+ */
	695	+ public function printFooterScripts() {
	696	+ if ( $this->lazy_render_script ) {
	697	+ ?>
	698	+ <script type="text/javascript">
	699	+ var visualizerUserInteractionEvents = [
	700	+ "mouseover",
	701	+ "keydown",
	702	+ "touchmove",
	703	+ "touchstart"
	704	+ ];
	705	+
	706	+ visualizerUserInteractionEvents.forEach(function(event) {
	707	+ window.addEventListener(event, visualizerTriggerScriptLoader, { passive: true });
	708	+ });
	709	+
	710	+ function visualizerTriggerScriptLoader() {
	711	+ visualizerLoadScripts();
	712	+ visualizerUserInteractionEvents.forEach(function(event) {
	713	+ window.removeEventListener(event, visualizerTriggerScriptLoader, { passive: true });
	714	+ });
	715	+ }
	716	+
	717	+ function visualizerLoadScripts() {
	718	+ document.querySelectorAll("script[data-visualizer-script]").forEach(function(elem) {
	719	+ jQuery.getScript( elem.getAttribute("data-visualizer-script") )
	720	+ .done( function( script, textStatus ) {
	721	+ elem.setAttribute("src", elem.getAttribute("data-visualizer-script"));
	722	+ elem.removeAttribute("data-visualizer-script");
	723	+ setTimeout( function() {
	724	+ visualizerRefreshChart();
	725	+ } );
	726	+ } );
	727	+ });
	728	+ }
	729	+
	730	+ function visualizerRefreshChart() {
	731	+ jQuery( '.visualizer-front:not(.visualizer-chart-loaded)' ).resize();
	732	+ if ( jQuery( 'div.viz-facade-loaded:not(.visualizer-lazy):empty' ).length > 0 ) {
	733	+ visualizerUserInteractionEvents.forEach( function( event ) {
	734	+ window.addEventListener( event, function() {
	735	+ jQuery( '.visualizer-front:not(.visualizer-chart-loaded)' ).resize();
	736	+ }, { passive: true } );
	737	+ } );
	738	+ }
	739	+ }
	740	+ </script>
	741	+ <?php
	742	+ }
301	743	}
302	744	}