← All changes | classes/Visualizer/Module.php +554 -24 3.0.5 → 3.11.7 View file →

		@@ -62,11 +62,32 @@
62	62	global $wpdb;
63	63
64	64	$this->_wpdb = $wpdb;
65	65	$this->_plugin = $plugin;
	66	+
	67	+ $this->_addFilter( Visualizer_Plugin::FILTER_UNDO_REVISIONS, 'undoRevisions', 10, 2 );
	68	+ $this->_addFilter( Visualizer_Plugin::FILTER_HANDLE_REVISIONS, 'handleExistingRevisions', 10, 2 );
	69	+ $this->_addFilter( Visualizer_Plugin::FILTER_GET_CHART_DATA_AS, 'getDataAs', 10, 3 );
	70	+ $this->_addAction( 'pre_get_posts', 'PreGetPosts' );
	71	+ register_shutdown_function( array($this, 'onShutdown') );
	72	+
66	73	}
67	74
68	75	/**
	76	+ * Register a shutdown hook to catch fatal errors.
	77	+ *
	78	+ * @since ?
	79	+ *
	80	+ * @access public
	81	+ */
	82	+ public function onShutdown() {
	83	+ $error = error_get_last();
	84	+ if ( $error && $error['type'] === E_ERROR && false !== strpos( $error['file'], 'Visualizer/' ) ) {
	85	+ do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Critical error %s', print_r( $error, true ) ), 'error', __FILE__, __LINE__ );
	86	+ }
	87	+ }
	88	+
	89	+ /**
69	90	* Registers an action hook.
70	91	*
71	92	* @since 1.0.0
72	93	* @uses add_action() To register action hook.
		@@ -116,9 +137,9 @@
116	137	* @uses add_filter() To register filter hook.
117	138	*
118	139	* @access protected
119	140	* @param string $tag The name of the filter to hook the $method to.
120		- * @param type $method The name of the method to be called when the filter is applied.
	141	+ * @param string $method The name of the method to be called when the filter is applied.
121	142	* @param int $priority optional. Used to specify the order in which the functions associated with a particular action are executed (default: 10). Lower numbers correspond with earlier execution, and functions with the same priority are executed in the order in which they were added to the action.
122	143	* @param int $accepted_args optional. The number of arguments the function accept (default 1).
123	144	* @return Visualizer_Module
124	145	*/
		@@ -143,8 +164,17 @@
143	164	return $this;
144	165	}
145	166
146	167	/**
	168	+ * A wrapper around the actual function _getDataAs. This function is invoked as a filter.
	169	+ *
	170	+ * @since 3.2.0
	171	+ */
	172	+ public function getDataAs( $final, $chart_id, $type ) {
	173	+ return $this->_getDataAs( $chart_id, $type );
	174	+ }
	175	+
	176	+ /**
147	177	* Extracts the data for a chart and prepares it for the given type.
148	178	*
149	179	* @access public
150	180	* @param int $chart_id The chart id.
		@@ -154,15 +184,15 @@
154	184	$final = null;
155	185	$success = false;
156	186	if ( $chart_id ) {
157	187	$chart = get_post( $chart_id );
158		- $success = $chart && $chart->post_type == Visualizer_Plugin::CPT_VISUALIZER;
	188	+ $success = $chart && $chart->post_type === Visualizer_Plugin::CPT_VISUALIZER;
159	189	}
160	190	if ( $success ) {
161	191	$settings = get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true );
162	192	$rows = array();
163	193	$series = get_post_meta( $chart_id, Visualizer_Plugin::CF_SERIES, true );
164		- $data = unserialize( $chart->post_content );
	194	+ $data = self::get_chart_data( $chart, $type, false );
165	195	if ( ! empty( $series ) ) {
166	196	$row = array();
167	197	foreach ( $series as $array ) {
168	198	$row[] = $array['label'];
		@@ -191,14 +221,28 @@
191	221	}
192	222	}
193	223	}
194	224
195		- $filename = isset( $settings['title'] ) && ! empty( $settings['title'] ) ? $settings['title'] : 'visualizer#' . $chart_id;
	225	+ $title = 'visualizer#' . $chart_id;
	226	+ if ( ! empty( $settings['title'] ) ) {
	227	+ $title = $settings['title'];
	228	+ }
	229	+ // for ChartJS, title is an array.
	230	+ if ( is_array( $title ) && isset( $title['text'] ) ) {
	231	+ $title = $title['text'];
	232	+ }
	233	+ if ( empty( $title ) ) {
	234	+ $title = 'visualizer#' . $chart_id;
	235	+ }
196	236
	237	+ $filename = $title;
197	238	switch ( $type ) {
198	239	case 'csv':
199		- $final = $this->_getCSV( $rows, $filename );
	240	+ $final = $this->_getCSV( $rows, $filename, false );
200	241	break;
	242	+ case 'csv-display':
	243	+ $final = $this->_getCSV( $rows, $filename, true );
	244	+ break;
201	245	case 'xls':
202	246	$final = $this->_getExcel( $rows, $filename );
203	247	break;
204	248	case 'print':
		@@ -203,8 +247,11 @@
203	247	break;
204	248	case 'print':
205	249	$final = $this->_getHTML( $rows );
206	250	break;
	251	+ case 'image':
	252	+ $final = $this->_getImage( $chart );
	253	+ break;
207	254	}
208	255	}
209	256	return $final;
210	257	}
		@@ -214,24 +261,50 @@
214	261	*
215	262	* @access private
216	263	* @param array $rows The array of data.
217	264	* @param string $filename The name of the file to use.
	265	+ * @param bool $enclose Enclose strings that have commas in them in double quotes.
218	266	*/
219		- private function _getCSV( $rows, $filename ) {
	267	+ private function _getCSV( $rows, $filename, $enclose ) {
220	268	$filename .= '.csv';
221	269
222		- $fp = tmpfile();
	270	+ $bom = chr( 0xEF ) . chr( 0xBB ) . chr( 0xBF );
	271	+ // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
	272	+ $fp = function_exists( 'tmpfile' ) ? @tmpfile() : null;
	273	+ if ( null === $fp ) {
	274	+ if ( ! function_exists( 'wp_tempnam' ) ) {
	275	+ require_once ABSPATH . 'wp-admin/includes/file.php';
	276	+ }
	277	+ $fp = fopen( wp_tempnam(), 'w+' );
	278	+ }
	279	+ if ( ! apply_filters( 'vizualizer_export_include_series_type', true ) ) {
	280	+ unset( $rows[1] );
	281	+ $rows = array_values( $rows );
	282	+ }
223	283	// support for MS Excel
224		- fprintf( $fp, $bom = ( chr( 0xEF ) . chr( 0xBB ) . chr( 0xBF ) ) );
	284	+ fprintf( $fp, $bom );
225	285	foreach ( $rows as $row ) {
226	286	fputcsv( $fp, $row );
227	287	}
228	288	rewind( $fp );
229	289	$csv = '';
	290	+ // phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.FoundInWhileCondition
230	291	while ( ( $array = fgetcsv( $fp ) ) !== false ) {
231	292	if ( strlen( $csv ) > 0 ) {
232	293	$csv .= PHP_EOL;
233	294	}
	295	+ // if enclosure is required, check every item of this line
	296	+ // if a comma exists in the item, add enclosure.
	297	+ if ( $enclose ) {
	298	+ $temp_array = array();
	299	+ foreach ( $array as $item ) {
	300	+ if ( strpos( $item, ',' ) !== false ) {
	301	+ $item = VISUALIZER_CSV_ENCLOSURE . $item . VISUALIZER_CSV_ENCLOSURE;
	302	+ }
	303	+ $temp_array[] = $item;
	304	+ }
	305	+ $array = $temp_array;
	306	+ }
234	307	$csv .= implode( ',', $array );
235	308	}
236	309	fclose( $fp );
237	310
		@@ -237,8 +310,9 @@
237	310
238	311	return array(
239	312	'csv' => $csv,
240	313	'name' => $filename,
	314	+ 'string' => str_replace( $bom, '', $csv ),
241	315	);
242	316	}
243	317
244	318	/**
		@@ -248,30 +322,54 @@
248	322	* @param array $rows The array of data.
249	323	* @param string $filename The name of the file to use.
250	324	*/
251	325	private function _getExcel( $rows, $filename ) {
252		- // PHPExcel does not like sheet names longer than 31 characters.
253		- $chart = substr( $filename, 0, 30 );
254		- $filename .= '.xlsx';
	326	+ // OpenSpout allows for long sheet names, but let's keep the same limit for compatibility.
	327	+ $chart = substr( $filename, 0, 30 );
	328	+ $filename .= '.xlsx';
	329	+ if ( ! apply_filters( 'vizualizer_export_include_series_type', true ) ) {
	330	+ unset( $rows[1] );
	331	+ $rows = array_values( $rows );
	332	+ $rows = array_map(
	333	+ function( $r ) {
	334	+ return array_map( 'strval', $r );
	335	+ },
	336	+ $rows
	337	+ );
	338	+ }
	339	+ $vendor_file = VISUALIZER_ABSPATH . '/vendor/autoload.php';
	340	+ if ( is_readable( $vendor_file ) ) {
	341	+ include_once $vendor_file;
	342	+ }
	343	+ $xlsData = '';
	344	+ if ( class_exists( 'OpenSpout\Writer\Common\Creator\WriterEntityFactory' ) ) {
	345	+ try {
	346	+ // Use OpenSpout to create the XLSX file in memory.
	347	+ $writer = \OpenSpout\Writer\Common\Creator\WriterEntityFactory::createXLSXWriter();
	348	+ $writer->openToFile( 'php://output' ); // Open to output instead of a file.
	349	+ $writer->getCurrentSheet()->setName( sanitize_title( $chart ) );
255	350
256		- $xlsData = '';
257		- if ( class_exists( 'PHPExcel' ) ) {
258		- $doc = new PHPExcel();
259		- $doc->getActiveSheet()->fromArray( $rows, null, 'A1' );
260		- $doc->getActiveSheet()->setTitle( $chart );
261		- $doc = apply_filters( 'visualizer_excel_doc', $doc );
262		- $writer = PHPExcel_IOFactory::createWriter( $doc, 'Excel2007' );
263		- ob_start();
264		- $writer->save( 'php://output' );
265		- $xlsData = ob_get_contents();
266		- ob_end_clean();
	351	+ // Write rows.
	352	+ foreach ( $rows as $row ) {
	353	+ $rowFromValues = \OpenSpout\Writer\Common\Creator\WriterEntityFactory::createRowFromArray( $row );
	354	+ $writer->addRow( $rowFromValues );
	355	+ }
	356	+
	357	+ ob_start();
	358	+ $writer->close(); // Saves and closes the file in the output buffer.
	359	+ $xlsData = ob_get_clean();
	360	+ } catch ( Exception $e ) {
	361	+ do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, 'OpenSpout writer error: ' . $e->getMessage(), 'error', __FILE__, __LINE__ );
	362	+ error_log( 'OpenSpout writer error: ' . $e->getMessage() );
	363	+ }
267	364	} else {
268		- do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, 'Class PHPExcel does not exist!', 'error', __FILE__, __LINE__ );
269		- error_log( 'Class PHPExcel does not exist!' );
	365	+ do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, 'Class OpenSpout\Writer\Common\Creator\WriterEntityFactory does not exist!', 'error', __FILE__, __LINE__ );
	366	+ error_log( 'Class OpenSpout\Writer\Common\Creator\WriterEntityFactory does not exist!' );
270	367	}
271	368	return array(
272	369	'csv' => 'data:application/vnd.ms-excel;base64,' . base64_encode( $xlsData ),
273	370	'name' => $filename,
	371	+ 'raw' => base64_encode( $xlsData ),
274	372	);
275	373	}
276	374
277	375	/**
		@@ -301,8 +399,14 @@
301	399
302	400	$table = '<table class="visualizer-print">';
303	401	$index = 0;
304	402	foreach ( $rows as $row ) {
	403	+ // skip the data type row.
	404	+ if ( 1 === $index ) {
	405	+ $index++;
	406	+ continue;
	407	+ }
	408	+
305	409	$table .= '<tr>';
306	410	foreach ( $row as $col ) {
307	411	if ( $index === 0 ) {
308	412	$table .= '<th>' . $col . '</th>';
		@@ -322,5 +426,431 @@
322	426	'csv' => $html,
323	427	);
324	428	}
325	429
	430	+ /**
	431	+ * Disable revisions temporarily for visualizer post type.
	432	+ */
	433	+ protected final function disableRevisionsTemporarily() {
	434	+ add_filter(
	435	+ 'wp_revisions_to_keep', function( $num, $post ) {
	436	+ if ( $post->post_type === Visualizer_Plugin::CPT_VISUALIZER ) {
	437	+ return 0;
	438	+ }
	439	+ return $num;
	440	+ }, 10, 2
	441	+ );
	442	+ }
	443	+
	444	+ /**
	445	+ * Undo revisions for the chart, and if necessary, restore the earliest version.
	446	+ *
	447	+ * @return bool If any revisions were found.
	448	+ */
	449	+ public final function undoRevisions( $chart_id, $restore = false ) {
	450	+ do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'undoRevisions for %d with%s restore', $chart_id, ( $restore ? '' : 'out' ) ), 'debug', __FILE__, __LINE__ );
	451	+ if ( get_post_type( $chart_id ) !== Visualizer_Plugin::CPT_VISUALIZER ) {
	452	+ return false;
	453	+ }
	454	+ $revisions = wp_get_post_revisions( $chart_id, array( 'order' => 'ASC' ) );
	455	+ if ( count( $revisions ) > 1 ) {
	456	+ $revision_ids = array_keys( $revisions );
	457	+
	458	+ do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'found %d revisions = %s', count( $revisions ), print_r( $revision_ids, true ) ), 'debug', __FILE__, __LINE__ );
	459	+
	460	+ // when we restore, a new revision is likely to be created. so, let's disable revisions for the time being.
	461	+ $this->disableRevisionsTemporarily();
	462	+
	463	+ if ( $restore ) {
	464	+ // restore to the oldest one i.e. the first one.
	465	+ wp_restore_post_revision( array_shift( $revision_ids ) );
	466	+ }
	467	+
	468	+ // delete all revisions.
	469	+ foreach ( $revision_ids as $id ) {
	470	+ wp_delete_post_revision( $id );
	471	+ }
	472	+
	473	+ return true;
	474	+ }
	475	+ return false;
	476	+ }
	477	+
	478	+ /**
	479	+ * If existing revisions exist for the chart, restore the earliest version and then create a new revision to initiate editing.
	480	+ */
	481	+ public final function handleExistingRevisions( $chart_id, $chart ) {
	482	+
	483	+ do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'handleExistingRevisions for %d', $chart_id ), 'debug', __FILE__, __LINE__ );
	484	+ if ( get_post_type( $chart_id ) !== Visualizer_Plugin::CPT_VISUALIZER ) {
	485	+ return $chart_id;
	486	+ }
	487	+ // undo revisions.
	488	+ $revisions_found = $this->undoRevisions( $chart_id, true );
	489	+
	490	+ // create revision for the edit action.
	491	+ wp_save_post_revision( $chart_id );
	492	+
	493	+ if ( $revisions_found ) {
	494	+ // fetch chart data again in case it was updated by an earlier revision.
	495	+ $chart = get_post( $chart_id );
	496	+ }
	497	+ return $chart;
	498	+ }
	499	+
	500	+ /**
	501	+ * Returns the language of the locale.
	502	+ *
	503	+ * @access protected
	504	+ */
	505	+ protected function get_language() {
	506	+ $locale = get_locale();
	507	+ if ( empty( $locale ) ) {
	508	+ return '';
	509	+ }
	510	+ $array = explode( '_', $locale );
	511	+ if ( count( $array ) < 2 ) {
	512	+ return '';
	513	+ }
	514	+ return reset( $array );
	515	+ }
	516	+
	517	+ /**
	518	+ * Gets/creates the JS where user-specific customizations can be/have been added.
	519	+ */
	520	+ protected function get_user_customization_js() {
	521	+ // use this as the JS file in case we are not able to create the file in uploads.
	522	+ $default = VISUALIZER_ABSURL . 'js/customization.js';
	523	+
	524	+ $uploads = wp_get_upload_dir();
	525	+ $specific = $uploads['baseurl'] . '/visualizer/customization.js';
	526	+
	527	+ // for testing on user sites (before we send them the correctly customized file).
	528	+ if ( VISUALIZER_TEST_JS_CUSTOMIZATION ) {
	529	+ return $default;
	530	+ }
	531	+
	532	+ require_once( ABSPATH . 'wp-admin/includes/file.php' );
	533	+ WP_Filesystem();
	534	+ global $wp_filesystem;
	535	+ if ( ! is_a( $wp_filesystem, 'WP_Filesystem_Base' ) ) {
	536	+ $creds = request_filesystem_credentials( site_url() );
	537	+ wp_filesystem( $creds );
	538	+ }
	539	+
	540	+ $multisite_arg = '/';
	541	+ if ( is_multisite() && ! is_main_site() ) {
	542	+ $multisite_arg = '/sites/' . get_current_blog_id() . '/';
	543	+ }
	544	+
	545	+ $dir = $wp_filesystem->wp_content_dir() . 'uploads' . $multisite_arg . 'visualizer';
	546	+ $file = $wp_filesystem->wp_content_dir() . 'uploads' . $multisite_arg . 'visualizer/customization.js';
	547	+
	548	+ if ( $wp_filesystem->is_readable( $file ) ) {
	549	+ return $specific;
	550	+ }
	551	+
	552	+ if ( $wp_filesystem->exists( $file ) && ! $wp_filesystem->is_readable( $file ) ) {
	553	+ do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Unable to read file %s', $file ), 'error', __FILE__, __LINE__ );
	554	+ return $default;
	555	+ }
	556	+
	557	+ if ( ! $wp_filesystem->exists( $dir ) ) {
	558	+ // phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.Found
	559	+ if ( ( $done = $wp_filesystem->mkdir( $dir ) ) === false ) {
	560	+ do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Unable to create directory %s', $dir ), 'error', __FILE__, __LINE__ );
	561	+ return $default;
	562	+ }
	563	+ }
	564	+
	565	+ // if file does not exist, copy.
	566	+ if ( ! $wp_filesystem->exists( $file ) ) {
	567	+ $src = str_replace( ABSPATH, $wp_filesystem->abspath(), VISUALIZER_ABSPATH . '/js/customization.js' );
	568	+ // phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.Found
	569	+ if ( ( $done = $wp_filesystem->copy( $src, $file ) ) === false ) {
	570	+ do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Unable to copy file %s to %s', $src, $file ), 'error', __FILE__, __LINE__ );
	571	+ return $default;
	572	+ }
	573	+ }
	574	+
	575	+ return $specific;
	576	+ }
	577	+
	578	+ /**
	579	+ * Load the class for the given chart's chart type so that its assets can be loaded.
	580	+ */
	581	+ protected function load_chart_type( $chart_id ) {
	582	+ $name = $this->load_chart_class_name( $chart_id );
	583	+ $class = null;
	584	+ if ( class_exists( $name ) || true === apply_filters( 'visualizer_load_chart', false, $name ) ) {
	585	+ if ( 'Visualizer_Render_Sidebar_Type_DataTable_DataTable' === $name ) {
	586	+ $name = 'Visualizer_Render_Sidebar_Type_DataTable_Tabular';
	587	+ }
	588	+ $class = new $name;
	589	+ }
	590	+
	591	+ if ( is_null( $class ) && Visualizer_Module::is_pro() ) {
	592	+ // lets see if this type exists in pro. New Lite(3.1.0+) & old Pro(1.8.0-).
	593	+ $type = get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, true );
	594	+ $class = apply_filters( 'visualizer_pro_chart_type_sidebar', null, array( 'id' => $chart_id, 'type' => $type, 'settings' => get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true ) ) );
	595	+ }
	596	+
	597	+ return is_null( $class ) ? null : $class->getLibrary();
	598	+ }
	599	+
	600	+ /**
	601	+ * Returns the class name for the given chart's chart type.
	602	+ */
	603	+ protected function load_chart_class_name( $chart_id ) {
	604	+ $type = get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, true );
	605	+ $lib = get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_LIBRARY, true );
	606	+
	607	+ // backward compatibility.
	608	+ if ( empty( $lib ) ) {
	609	+ $lib = 'GoogleCharts';
	610	+ if ( 'dataTable' === $type ) {
	611	+ $lib = 'DataTable';
	612	+ }
	613	+ }
	614	+ $name = 'Visualizer_Render_Sidebar_Type_' . $lib . '_' . ucwords( $type );
	615	+ return $name;
	616	+ }
	617	+
	618	+ /**
	619	+ * Generates the inline CSS to apply to the chart and adds these classes to the settings.
	620	+ *
	621	+ * @access public
	622	+ * @param int $id The id of the chart.
	623	+ * @param array $settings The settings of the chart.
	624	+ */
	625	+ protected function get_inline_custom_css( $id, $settings ) {
	626	+ $css = '';
	627	+
	628	+ $classes = array();
	629	+ $css = '<style type="text/css" name="visualizer-custom-css" id="customcss-' . $id . '">';
	630	+ if ( ! empty( $settings['customcss'] ) ) {
	631	+ foreach ( $settings['customcss'] as $name => $element ) {
	632	+ $attributes = array();
	633	+ foreach ( $element as $property => $value ) {
	634	+ $attributes[] = $this->handle_css_property( $property, $value );
	635	+ }
	636	+ $class_name = $id . $name;
	637	+ $properties = implode( ' !important; ', array_filter( $attributes ) );
	638	+ if ( ! empty( $properties ) ) {
	639	+ $css .= '.' . $class_name . ' {' . $properties . ' !important;}';
	640	+ $classes[ $name ] = $class_name;
	641	+ }
	642	+ }
	643	+ $settings['cssClassNames'] = $classes;
	644	+ }
	645	+
	646	+ $img_path = VISUALIZER_ABSURL . 'images';
	647	+ $css .= ".locker,.locker-loader{position:absolute;top:0;left:0;width:100%;height:100%}.locker{z-index:1000;opacity:.8;background-color:#fff;-ms-filter:\"progid:DXImageTransform.Microsoft.Alpha(Opacity=80)\";filter:alpha(opacity=80)}.locker-loader{z-index:1001;background:url($img_path/ajax-loader.gif) no-repeat center center}.dt-button{display:none!important}.visualizer-front-container.visualizer-lazy-render{content-visibility: auto;}.google-visualization-controls-categoryfilter label.google-visualization-controls-label {vertical-align: middle;}.google-visualization-controls-categoryfilter li.goog-inline-block {margin: 0 0.2em;}.google-visualization-controls-categoryfilter li {padding: 0 0.2em;}.visualizer-front-container .dataTables_scrollHeadInner{margin: 0 auto;}";
	648	+ $css .= '</style>';
	649	+
	650	+ $arguments = array( $css, $settings );
	651	+ apply_filters_ref_array( 'visualizer_inline_css', array( &$arguments ) );
	652	+
	653	+ return $arguments;
	654	+ }
	655	+
	656	+ /**
	657	+ * Handles CSS properties that might need special syntax.
	658	+ *
	659	+ * @access private
	660	+ * @param string $property The name of the css property.
	661	+ * @param string $value The value of the css property.
	662	+ */
	663	+ private function handle_css_property( $property, $value ) {
	664	+ if ( empty( $property ) || empty( $value ) ) {
	665	+ return '';
	666	+ }
	667	+
	668	+ switch ( $property ) {
	669	+ case 'transform':
	670	+ $value = 'rotate(' . $value . 'deg)';
	671	+ break;
	672	+ }
	673	+ return $property . ': ' . $value;
	674	+ }
	675	+
	676	+ /**
	677	+ * Determines if charts have been created of the particular chart type.
	678	+ */
	679	+ protected static function hasChartType( $type ) {
	680	+ $args = array(
	681	+ 'post_type' => Visualizer_Plugin::CPT_VISUALIZER,
	682	+ 'fields' => 'ids',
	683	+ 'post_status' => 'publish',
	684	+ 'meta_query' => array(
	685	+ array(
	686	+ 'key' => Visualizer_Plugin::CF_CHART_TYPE,
	687	+ 'value' => $type,
	688	+ ),
	689	+ ),
	690	+ );
	691	+
	692	+ $q = new WP_Query( $args );
	693	+ return $q->found_posts > 0;
	694	+ }
	695	+
	696	+ /**
	697	+ * Determines how many charts have been created.
	698	+ */
	699	+ protected static function numberOfCharts() {
	700	+ $args = array(
	701	+ 'post_type' => Visualizer_Plugin::CPT_VISUALIZER,
	702	+ 'fields' => 'ids',
	703	+ 'post_status' => 'publish',
	704	+ 'posts_per_page' => 300,
	705	+ );
	706	+
	707	+ $q = new WP_Query( $args );
	708	+ return $q->found_posts;
	709	+ }
	710	+
	711	+ /**
	712	+ * Checks if the PRO version is active.
	713	+ *
	714	+ * @since 3.3.0
	715	+ */
	716	+ public static function is_pro() {
	717	+ // versions of pro before 1.9.0 will use the constant VISUALIZER_PRO
	718	+ // versions of pro 1.9.0 onwards will use the filter
	719	+ return apply_filters( 'visualizer_is_pro', VISUALIZER_PRO );
	720	+ }
	721	+
	722	+ /**
	723	+ * Checks if the PRO version is older than a particular version.
	724	+ *
	725	+ * @since 3.3.0
	726	+ */
	727	+ public static function is_pro_older_than( $version ) {
	728	+ return version_compare( VISUALIZER_PRO_VERSION, $version, '<' );
	729	+ }
	730	+
	731	+ /**
	732	+ * Should we show some specific feature on the basis of the version?
	733	+ *
	734	+ * @since 3.4.0
	735	+ */
	736	+ public static function can_show_feature( $feature ) {
	737	+ switch ( $feature ) {
	738	+ case 'simple-editor':
	739	+ // if user has pro but an older version, then don't load the simple editor functionality
	740	+ // as the select box will not behave as expected because the pro editor's functionality will supercede.
	741	+ return ! Visualizer_Module::is_pro() || ! Visualizer_Module::is_pro_older_than( '1.9.2' );
	742	+ }
	743	+ return false;
	744	+ }
	745	+
	746	+ /**
	747	+ * Gets the features for the provided license type.
	748	+ */
	749	+ public static final function get_features_for_license( $plan ) {
	750	+ $is_new_personal = apply_filters( 'visualizer_is_new_personal', false );
	751	+ switch ( $plan ) {
	752	+ case 1:
	753	+ $features = array( 'import-wp', 'import-wc-report', 'import-file', 'import-url' );
	754	+ if ( ! $is_new_personal ) {
	755	+ $features[] = 'db-query';
	756	+ }
	757	+ return $features;
	758	+ case 2:
	759	+ $features = array( 'schedule-chart', 'chart-permissions', 'import-chart', 'data-filter-configuration', 'frontend-actions' );
	760	+ if ( $is_new_personal ) {
	761	+ $features[] = 'db-query';
	762	+ }
	763	+ return $features;
	764	+ }
	765	+ }
	766	+
	767	+ /**
	768	+ * Gets the chart content after common manipulations.
	769	+ */
	770	+ public static function get_chart_data( $chart, $type, $run_filter = true ) {
	771	+ // change HTML entities
	772	+ $post_content = html_entity_decode( htmlentities( $chart->post_content ) );
	773	+ $post_content = preg_replace_callback(
	774	+ '!s:(\d+):"(.*?)";!s',
	775	+ function ( $matches ) {
	776	+ if ( isset( $matches[2] ) ) {
	777	+ return 's:' . strlen( $matches[2] ) . ':"' . $matches[2] . '";';
	778	+ }
	779	+ },
	780	+ $post_content
	781	+ );
	782	+ $data = unserialize( $post_content );
	783	+ $altered = array();
	784	+ if ( ! empty( $data ) ) {
	785	+ foreach ( $data as $index => $array ) {
	786	+ if ( ! is_array( $index ) && is_array( $array ) ) {
	787	+ foreach ( $array as &$datum ) {
	788	+ if ( is_string( $datum ) ) {
	789	+ $datum = stripslashes( $datum );
	790	+ }
	791	+ }
	792	+ $altered[ $index ] = $array;
	793	+ }
	794	+ }
	795	+ }
	796	+ // if something goes wrong and the end result is empty, be safe and use the original data
	797	+ if ( empty( $altered ) ) {
	798	+ $altered = $data;
	799	+ }
	800	+ if ( $run_filter ) {
	801	+ return apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, $altered, $chart->ID, $type );
	802	+ }
	803	+ return $altered;
	804	+ }
	805	+
	806	+ /**
	807	+ * Get chart image.
	808	+ *
	809	+ * @param object $chart Chart data.
	810	+ * @return string
	811	+ */
	812	+ public function _getImage( $chart = null ) {
	813	+ $image = '';
	814	+ if ( $chart ) {
	815	+ $chart_image = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_IMAGE, true );
	816	+ if ( ! empty( $chart_image ) ) {
	817	+ $image = wp_get_attachment_image( $chart_image, 'full' );
	818	+ }
	819	+ }
	820	+ return array(
	821	+ 'csv' => $image,
	822	+ );
	823	+ }
	824	+
	825	+ /**
	826	+ * Filter chart title if visualizer post type.
	827	+ *
	828	+ * @param object $query WP Query object.
	829	+ * @return void
	830	+ */
	831	+ public function PreGetPosts( $query ) {
	832	+ if ( ! $query->is_main_query() ) {
	833	+ $post_type = $query->get( 'post_type' );
	834	+ if ( 'visualizer' === $post_type ) {
	835	+ $this->_addFilter( Visualizer_Plugin::FILTER_CHART_TITLE, 'filterChartTitle', 10, 2 );
	836	+ }
	837	+ }
	838	+ }
	839	+
	840	+ /**
	841	+ * Filter chart title.
	842	+ *
	843	+ * @access public
	844	+ * @param string $post_title Post title.
	845	+ * @param int $post_id Post ID.
	846	+ * @return string
	847	+ */
	848	+ public function filterChartTitle( $post_title, $post_id ) {
	849	+ $post_type = get_post_type( $post_id );
	850	+ $post_title = trim( $post_title );
	851	+ if ( 'visualizer' === $post_type && 'Visualization' === $post_title ) {
	852	+ return sprintf( '%s #%d', $post_title, $post_id );
	853	+ }
	854	+ return $post_title;
	855	+ }
326	856	}