← All changes | classes/Visualizer/Module/Chart.php +600 -601 3.0.6 → 1.5.3 View file →

		@@ -1,601 +1,600 @@
1		-<?php
2		-// +----------------------------------------------------------------------+
3		-// | Copyright 2013 Madpixels (email : visualizer@madpixels.net) |
4		-// +----------------------------------------------------------------------+
5		-// | This program is free software; you can redistribute it and/or modify |
6		-// | it under the terms of the GNU General Public License, version 2, as |
7		-// | published by the Free Software Foundation. |
8		-// | |
9		-// | This program is distributed in the hope that it will be useful, |
10		-// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11		-// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12		-// | GNU General Public License for more details. |
13		-// | |
14		-// | You should have received a copy of the GNU General Public License |
15		-// | along with this program; if not, write to the Free Software |
16		-// | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
17		-// | MA 02110-1301 USA |
18		-// +----------------------------------------------------------------------+
19		-// | Author: Eugene Manuilov <eugene@manuilov.org> |
20		-// +----------------------------------------------------------------------+
21		-/**
22		- * The module for all stuff related to getting, editing, creating and deleting charts.
23		- *
24		- * @category Visualizer
25		- * @package Module
26		- *
27		- * @since 1.0.0
28		- */
29		-class Visualizer_Module_Chart extends Visualizer_Module {
30		-
31		- const NAME = __CLASS__;
32		-
33		- /**
34		- * The chart object.
35		- *
36		- * @since 1.0.0
37		- *
38		- * @access private
39		- * @var WP_Post
40		- */
41		- private $_chart;
42		-
43		- /**
44		- * Constructor.
45		- *
46		- * @since 1.0.0
47		- *
48		- * @access public
49		- *
50		- * @param Visualizer_Plugin $plugin The instance of the plugin.
51		- */
52		- public function __construct( Visualizer_Plugin $plugin ) {
53		- parent::__construct( $plugin );
54		- $this->_addAjaxAction( Visualizer_Plugin::ACTION_GET_CHARTS, 'getCharts' );
55		- $this->_addAjaxAction( Visualizer_Plugin::ACTION_DELETE_CHART, 'deleteChart' );
56		- $this->_addAjaxAction( Visualizer_Plugin::ACTION_CREATE_CHART, 'renderChartPages' );
57		- $this->_addAjaxAction( Visualizer_Plugin::ACTION_EDIT_CHART, 'renderChartPages' );
58		- $this->_addAjaxAction( Visualizer_Plugin::ACTION_UPLOAD_DATA, 'uploadData' );
59		- $this->_addAjaxAction( Visualizer_Plugin::ACTION_CLONE_CHART, 'cloneChart' );
60		- // Added by Ash/Upwork
61		- $this->_addAjaxAction( Visualizer_Plugin::ACTION_EXPORT_DATA, 'exportData' );
62		- // Added by Ash/Upwork
63		- }
64		-
65		- /**
66		- * Fetches charts from database.
67		- *
68		- * @since 1.0.0
69		- *
70		- * @access public
71		- */
72		- public function getCharts() {
73		- $query_args = array(
74		- 'post_type' => Visualizer_Plugin::CPT_VISUALIZER,
75		- 'posts_per_page' => 9,
76		- 'paged' => filter_input(
77		- INPUT_GET, 'page', FILTER_VALIDATE_INT, array(
78		- 'options' => array(
79		- 'min_range' => 1,
80		- 'default' => 1,
81		- ),
82		- )
83		- ),
84		- );
85		- $filter = filter_input( INPUT_GET, 's', FILTER_SANITIZE_STRING );
86		- if ( empty( $filter ) ) {
87		- // 'filter' is from the modal from the add media button.
88		- $filter = filter_input( INPUT_GET, 'filter', FILTER_SANITIZE_STRING );
89		- }
90		-
91		- if ( $filter && in_array( $filter, Visualizer_Plugin::getChartTypes() ) ) {
92		- $query_args['meta_query'] = array(
93		- array(
94		- 'key' => Visualizer_Plugin::CF_CHART_TYPE,
95		- 'value' => $filter,
96		- 'compare' => '=',
97		- ),
98		- );
99		- }
100		- $query = new WP_Query( $query_args );
101		- $charts = array();
102		- while ( $query->have_posts() ) {
103		- $chart = $query->next_post();
104		- $chart_data = $this->_getChartArray( $chart );
105		- $chart_data['id'] = $chart->ID;
106		- $charts[] = $chart_data;
107		- }
108		- self::_sendResponse(
109		- array(
110		- 'success' => true,
111		- 'data' => $charts,
112		- 'total' => $query->max_num_pages,
113		- )
114		- );
115		- }
116		-
117		- /**
118		- * Returns chart data required for rendering.
119		- *
120		- * @since 1.0.0
121		- *
122		- * @access private
123		- *
124		- * @param WP_Post $chart The chart object.
125		- *
126		- * @return array The array of chart data.
127		- */
128		- private function _getChartArray( WP_Post $chart = null ) {
129		- if ( is_null( $chart ) ) {
130		- $chart = $this->_chart;
131		- }
132		- $type = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true );
133		- $series = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SERIES, get_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, true ), $chart->ID, $type );
134		- $data = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, unserialize( $chart->post_content ), $chart->ID, $type );
135		-
136		- return array(
137		- 'type' => $type,
138		- 'series' => $series,
139		- 'settings' => get_post_meta( $chart->ID, Visualizer_Plugin::CF_SETTINGS, true ),
140		- 'data' => $data,
141		- );
142		- }
143		-
144		- /**
145		- * Sends json response.
146		- *
147		- * @since 1.0.0
148		- *
149		- * @access private
150		- *
151		- * @param array $results The response array.
152		- */
153		- public static function _sendResponse( $results ) {
154		- header( 'Content-type: application/json' );
155		- nocache_headers();
156		- echo json_encode( $results );
157		- defined( 'WP_TESTS_DOMAIN' ) ? wp_die() : exit();
158		- }
159		-
160		- /**
161		- * Deletes a chart from database.
162		- *
163		- * @since 1.0.0
164		- * @uses wp_delete_post() To delete a chart.
165		- *
166		- * @access public
167		- */
168		- public function deleteChart() {
169		- $is_post = $_SERVER['REQUEST_METHOD'] == 'POST';
170		- $input_method = $is_post ? INPUT_POST : INPUT_GET;
171		- $chart_id = $success = false;
172		- $nonce = wp_verify_nonce( filter_input( $input_method, 'nonce' ) );
173		- $capable = current_user_can( 'delete_posts' );
174		- if ( $nonce && $capable ) {
175		- $chart_id = filter_input(
176		- $input_method, 'chart', FILTER_VALIDATE_INT, array(
177		- 'options' => array(
178		- 'min_range' => 1,
179		- ),
180		- )
181		- );
182		- if ( $chart_id ) {
183		- $chart = get_post( $chart_id );
184		- $success = $chart && $chart->post_type == Visualizer_Plugin::CPT_VISUALIZER;
185		- }
186		- }
187		- if ( $success ) {
188		- wp_delete_post( $chart_id, true );
189		- }
190		- if ( $is_post ) {
191		- self::_sendResponse(
192		- array(
193		- 'success' => $success,
194		- )
195		- );
196		- }
197		- wp_redirect( wp_get_referer() );
198		- exit;
199		- }
200		-
201		- /**
202		- * Renders appropriate page for chart builder. Creates new auto draft chart
203		- * if no chart has been specified.
204		- *
205		- * @since 1.0.0
206		- *
207		- * @access public
208		- */
209		- public function renderChartPages() {
210		- defined( 'IFRAME_REQUEST' ) || define( 'IFRAME_REQUEST', 1 );
211		- // check chart, if chart not exists, will create new one and redirects to the same page with proper chart id
212		- $chart_id = isset( $_GET['chart'] ) ? filter_var( $_GET['chart'], FILTER_VALIDATE_INT ) : '';
213		- if ( ! $chart_id || ! ( $chart = get_post( $chart_id ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) {
214		- $default_type = 'line';
215		- $source = new Visualizer_Source_Csv( VISUALIZER_ABSPATH . DIRECTORY_SEPARATOR . 'samples' . DIRECTORY_SEPARATOR . $default_type . '.csv' );
216		- $source->fetch();
217		- $chart_id = wp_insert_post(
218		- array(
219		- 'post_type' => Visualizer_Plugin::CPT_VISUALIZER,
220		- 'post_title' => 'Visualization',
221		- 'post_author' => get_current_user_id(),
222		- 'post_status' => 'auto-draft',
223		- 'post_content' => $source->getData(),
224		- )
225		- );
226		- if ( $chart_id && ! is_wp_error( $chart_id ) ) {
227		- add_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, $default_type );
228		- add_post_meta( $chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, 1 );
229		- add_post_meta( $chart_id, Visualizer_Plugin::CF_SOURCE, $source->getSourceName() );
230		- add_post_meta( $chart_id, Visualizer_Plugin::CF_SERIES, $source->getSeries() );
231		- add_post_meta(
232		- $chart_id, Visualizer_Plugin::CF_SETTINGS, array(
233		- 'focusTarget' => 'datum',
234		- )
235		- );
236		- do_action( 'visualizer_pro_new_chart_defaults', $chart_id );
237		- }
238		- wp_redirect( add_query_arg( 'chart', (int) $chart_id ) );
239		- defined( 'WP_TESTS_DOMAIN' ) ? wp_die() : exit();
240		- }
241		- // enqueue and register scripts and styles
242		- wp_register_script( 'visualizer-chosen', VISUALIZER_ABSURL . 'js/lib/chosen.jquery.min.js', array( 'jquery' ), Visualizer_Plugin::VERSION );
243		- wp_register_style( 'visualizer-chosen', VISUALIZER_ABSURL . 'css/lib/chosen.min.css', array(), Visualizer_Plugin::VERSION );
244		-
245		- wp_register_style( 'visualizer-frame', VISUALIZER_ABSURL . 'css/frame.css', array( 'visualizer-chosen' ), Visualizer_Plugin::VERSION );
246		- wp_register_script( 'visualizer-frame', VISUALIZER_ABSURL . 'js/frame.js', array( 'visualizer-chosen' ), Visualizer_Plugin::VERSION, true );
247		- wp_register_script( 'google-jsapi-new', '//www.gstatic.com/charts/loader.js', array(), null, true );
248		- wp_register_script( 'google-jsapi-old', '//www.google.com/jsapi', array( 'google-jsapi-new' ), null, true );
249		- wp_register_script(
250		- 'visualizer-render', VISUALIZER_ABSURL . 'js/render.js', array(
251		- 'google-jsapi-old',
252		- 'google-jsapi-new',
253		- 'visualizer-frame',
254		- ), Visualizer_Plugin::VERSION, true
255		- );
256		- wp_register_script(
257		- 'visualizer-preview', VISUALIZER_ABSURL . 'js/preview.js', array(
258		- 'wp-color-picker',
259		- 'visualizer-render',
260		- ), Visualizer_Plugin::VERSION, true
261		- );
262		- // added by Ash/Upwork
263		- if ( VISUALIZER_PRO ) {
264		- global $Visualizer_Pro;
265		- $Visualizer_Pro->_addScriptsAndStyles();
266		- }
267		- // dispatch pages
268		- $this->_chart = get_post( $chart_id );
269		- $tab = isset( $_GET['tab'] ) && ! empty( $_GET['tab'] ) ? $_GET['tab'] : 'visualizer';
270		-
271		- // skip chart type pages only for existing charts.
272		- if ( VISUALIZER_SKIP_CHART_TYPE_PAGE && 'auto-draft' !== $this->_chart->post_status ) {
273		- $tab = 'settings';
274		- }
275		-
276		- switch ( $tab ) {
277		- case 'settings':
278		- $this->_handleDataAndSettingsPage();
279		- break;
280		- case 'type': // fall through.
281		- case 'visualizer': // fall through.
282		- $this->_handleTypesPage();
283		- break;
284		- default:
285		- do_action( 'visualizer_pro_handle_tab', $tab, $this->_chart );
286		- break;
287		- }
288		- defined( 'WP_TESTS_DOMAIN' ) ? wp_die() : exit();
289		- }
290		-
291		- /**
292		- * Handle data and settings page
293		- */
294		- private function _handleDataAndSettingsPage() {
295		- if ( isset( $_POST['map_api_key'] ) ) {
296		- update_option( 'visualizer-map-api-key', $_POST['map_api_key'] );
297		- }
298		- if ( $_SERVER['REQUEST_METHOD'] == 'POST' && isset( $_GET['nonce'] ) && wp_verify_nonce( $_GET['nonce'] ) ) {
299		- if ( $this->_chart->post_status == 'auto-draft' ) {
300		- $this->_chart->post_status = 'publish';
301		- wp_update_post( $this->_chart->to_array() );
302		- }
303		- update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_SETTINGS, $_POST );
304		- $render = new Visualizer_Render_Page_Send();
305		- $render->text = sprintf( '[visualizer id="%d"]', $this->_chart->ID );
306		- wp_iframe( array( $render, 'render' ) );
307		-
308		- return;
309		- }
310		- $data = $this->_getChartArray();
311		- $sidebar = '';
312		- $sidebar_class = 'Visualizer_Render_Sidebar_Type_' . ucfirst( $data['type'] );
313		- if ( class_exists( $sidebar_class, true ) ) {
314		- $sidebar = new $sidebar_class( $data['settings'] );
315		- $sidebar->__series = $data['series'];
316		- $sidebar->__data = $data['data'];
317		- } else {
318		- $sidebar = apply_filters( 'visualizer_pro_chart_type_sidebar', '', $data );
319		- if ( $sidebar != '' ) {
320		- $sidebar->__series = $data['series'];
321		- $sidebar->__data = $data['data'];
322		- }
323		- }
324		- unset( $data['settings']['width'], $data['settings']['height'] );
325		- wp_enqueue_style( 'visualizer-frame' );
326		- wp_enqueue_style( 'wp-color-picker' );
327		- wp_enqueue_style( 'visualizer-frame' );
328		- wp_enqueue_script( 'visualizer-preview' );
329		- wp_enqueue_script( 'visualizer-render' );
330		- wp_localize_script(
331		- 'visualizer-render', 'visualizer', array(
332		- 'l10n' => array(
333		- 'invalid_source' => esc_html__( 'You have entered invalid URL. Please, insert proper URL.', 'visualizer' ),
334		- 'loading' => esc_html__( 'Loading...', 'visualizer' ),
335		- ),
336		- 'charts' => array(
337		- 'canvas' => $data,
338		- ),
339		- 'map_api_key' => get_option( 'visualizer-map-api-key' ),
340		- 'ajax' => array(
341		- 'url' => admin_url( 'admin-ajax.php' ),
342		- 'nonces' => array(
343		- 'permissions' => wp_create_nonce( Visualizer_Plugin::ACTION_FETCH_PERMISSIONS_DATA ),
344		- ),
345		- 'actions' => array(
346		- 'permissions' => Visualizer_Plugin::ACTION_FETCH_PERMISSIONS_DATA,
347		- ),
348		- ),
349		- )
350		- );
351		- $render = new Visualizer_Render_Page_Data();
352		- $render->chart = $this->_chart;
353		- $render->type = $data['type'];
354		- $render->sidebar = $sidebar;
355		- if ( filter_input( INPUT_GET, 'library', FILTER_VALIDATE_BOOLEAN ) ) {
356		- $render->button = filter_input( INPUT_GET, 'action' ) == Visualizer_Plugin::ACTION_EDIT_CHART
357		- ? esc_html__( 'Save Chart', 'visualizer' )
358		- : esc_html__( 'Create Chart', 'visualizer' );
359		- } else {
360		- $render->button = esc_attr__( 'Insert Chart', 'visualizer' );
361		- }
362		- if ( VISUALIZER_PRO ) {
363		- global $Visualizer_Pro;
364		- $Visualizer_Pro->_enqueueScriptsAndStyles( $data );
365		- }
366		- $this->_addAction( 'admin_head', 'renderFlattrScript' );
367		- wp_iframe( array( $render, 'render' ) );
368		- }
369		-
370		- /**
371		- * Handles chart type selection page.
372		- *
373		- * @since 1.0.0
374		- *
375		- * @access private
376		- */
377		- private function _handleTypesPage() {
378		- // process post request
379		- if ( $_SERVER['REQUEST_METHOD'] == 'POST' && wp_verify_nonce( filter_input( INPUT_POST, 'nonce' ) ) ) {
380		- $type = filter_input( INPUT_POST, 'type' );
381		- if ( in_array( $type, Visualizer_Plugin::getChartTypes() ) ) {
382		- // save new chart type
383		- update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_CHART_TYPE, $type );
384		- // if the chart has default data, update it with appropriate default data for new type
385		- if ( filter_var( get_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_DEFAULT_DATA, true ), FILTER_VALIDATE_BOOLEAN ) ) {
386		- $source = new Visualizer_Source_Csv( VISUALIZER_ABSPATH . DIRECTORY_SEPARATOR . 'samples' . DIRECTORY_SEPARATOR . $type . '.csv' );
387		- $source->fetch();
388		- $this->_chart->post_content = $source->getData();
389		- wp_update_post( $this->_chart->to_array() );
390		- update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_SERIES, $source->getSeries() );
391		- }
392		- // redirect to next tab
393		- // changed by Ash/Upwork
394		- wp_redirect( add_query_arg( 'tab', 'settings' ) );
395		-
396		- return;
397		- }
398		- }
399		- $render = new Visualizer_Render_Page_Types();
400		- $render->type = get_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true );
401		- $render->types = Visualizer_Module_Admin::_getChartTypesLocalized();
402		- $render->chart = $this->_chart;
403		- wp_enqueue_style( 'visualizer-frame' );
404		- wp_enqueue_script( 'visualizer-frame' );
405		- wp_iframe( array( $render, 'render' ) );
406		- }
407		-
408		- /**
409		- * Renders flattr script in the iframe <head>
410		- *
411		- * @since 1.4.2
412		- * @action admin_head
413		- *
414		- * @access public
415		- */
416		- public function renderFlattrScript() {
417		- echo '';
418		- }
419		- // changed by Ash/Upwork
420		- /**
421		- * Parses uploaded CSV file and saves new data for the chart.
422		- *
423		- * @since 1.0.0
424		- *
425		- * @access public
426		- */
427		- public function uploadData() {
428		- // validate nonce
429		- // do not use filter_input as it does not work for phpunit test cases, use filter_var instead
430		- if ( ! isset( $_GET['nonce'] ) || ! wp_verify_nonce( $_GET['nonce'] ) ) {
431		- status_header( 403 );
432		- exit;
433		- }
434		- // check chart, if chart exists
435		- $chart_id = isset( $_GET['chart'] ) ? filter_var( $_GET['chart'], FILTER_VALIDATE_INT ) : '';
436		- if ( ! $chart_id || ! ( $chart = get_post( $chart_id ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) {
437		- status_header( 400 );
438		- exit;
439		- }
440		- if ( ! isset( $_POST['vz-import-time'] ) ) {
441		- apply_filters( 'visualizer_pro_remove_schedule', $chart_id );
442		- }
443		-
444		- if ( ! isset( $_POST['chart_data_src'] ) || Visualizer_Plugin::CF_SOURCE_FILTER !== $_POST['chart_data_src'] ) {
445		- // delete the filters in case this chart is being uploaded from other data sources
446		- delete_post_meta( $chart_id, 'visualizer-filter-config' );
447		- }
448		-
449		- $source = null;
450		- $render = new Visualizer_Render_Page_Update();
451		- if ( isset( $_POST['remote_data'] ) && filter_var( $_POST['remote_data'], FILTER_VALIDATE_URL ) ) {
452		- $source = new Visualizer_Source_Csv_Remote( $_POST['remote_data'] );
453		- if ( isset( $_POST['vz-import-time'] ) ) {
454		- apply_filters( 'visualizer_pro_chart_schedule', $chart_id, $_POST['remote_data'], $_POST['vz-import-time'] );
455		- }
456		- } elseif ( isset( $_FILES['local_data'] ) && $_FILES['local_data']['error'] == 0 ) {
457		- $source = new Visualizer_Source_Csv( $_FILES['local_data']['tmp_name'] );
458		- // Added by Ash/Upwork
459		- } elseif ( isset( $_POST['chart_data'] ) && strlen( $_POST['chart_data'] ) > 0 ) {
460		- $source = apply_filters( 'visualizer_pro_handle_chart_data', $_POST['chart_data'], '' );
461		- // Added by Ash/Upwork
462		- } else {
463		- $render->message = esc_html__( 'CSV file with chart data was not uploaded. Please, try again.', 'visualizer' );
464		- }
465		- if ( $source ) {
466		- if ( $source->fetch() ) {
467		- $chart->post_content = $source->getData();
468		- wp_update_post( $chart->to_array() );
469		- update_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, $source->getSeries() );
470		- update_post_meta( $chart->ID, Visualizer_Plugin::CF_SOURCE, $source->getSourceName() );
471		- update_post_meta( $chart->ID, Visualizer_Plugin::CF_DEFAULT_DATA, 0 );
472		- $render->data = json_encode( $source->getRawData() );
473		- $render->series = json_encode( $source->getSeries() );
474		- } else {
475		- $render->message = esc_html__( 'CSV file is broken or invalid. Please, try again.', 'visualizer' );
476		- }
477		- }
478		- $render->render();
479		- if ( ! ( defined( 'VISUALIZER_DO_NOT_DIE' ) && VISUALIZER_DO_NOT_DIE ) ) {
480		- defined( 'WP_TESTS_DOMAIN' ) ? wp_die() : exit();
481		- }
482		- }
483		-
484		- /**
485		- * Clones the chart.
486		- *
487		- * @since 1.0.0
488		- *
489		- * @access public
490		- */
491		- public function cloneChart() {
492		- $chart_id = $success = false;
493		- $nonce = wp_verify_nonce( filter_input( INPUT_GET, 'nonce' ), Visualizer_Plugin::ACTION_CLONE_CHART );
494		- $capable = current_user_can( 'edit_posts' );
495		- if ( $nonce && $capable ) {
496		- $chart_id = filter_input(
497		- INPUT_GET, 'chart', FILTER_VALIDATE_INT, array(
498		- 'options' => array(
499		- 'min_range' => 1,
500		- ),
501		- )
502		- );
503		- if ( $chart_id ) {
504		- $chart = get_post( $chart_id );
505		- $success = $chart && $chart->post_type == Visualizer_Plugin::CPT_VISUALIZER;
506		- }
507		- }
508		- $redirect = wp_get_referer();
509		- if ( $success ) {
510		- $new_chart_id = wp_insert_post(
511		- array(
512		- 'post_type' => Visualizer_Plugin::CPT_VISUALIZER,
513		- 'post_title' => 'Visualization',
514		- 'post_author' => get_current_user_id(),
515		- 'post_status' => $chart->post_status,
516		- 'post_content' => $chart->post_content,
517		- )
518		- );
519		- if ( $new_chart_id && ! is_wp_error( $new_chart_id ) ) {
520		- add_post_meta( $new_chart_id, Visualizer_Plugin::CF_CHART_TYPE, get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, true ) );
521		- add_post_meta( $new_chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, get_post_meta( $chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, true ) );
522		- add_post_meta( $new_chart_id, Visualizer_Plugin::CF_SOURCE, get_post_meta( $chart_id, Visualizer_Plugin::CF_SOURCE, true ) );
523		- add_post_meta( $new_chart_id, Visualizer_Plugin::CF_SERIES, get_post_meta( $chart_id, Visualizer_Plugin::CF_SERIES, true ) );
524		- add_post_meta( $new_chart_id, Visualizer_Plugin::CF_SETTINGS, get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true ) );
525		- $redirect = add_query_arg(
526		- array(
527		- 'page' => 'visualizer',
528		- 'type' => filter_input( INPUT_GET, 'type' ),
529		- ), admin_url( 'upload.php' )
530		- );
531		- }
532		- }
533		- wp_redirect( $redirect );
534		- exit;
535		- }
536		-
537		- /**
538		- * Exports the chart data
539		- *
540		- * @since 1.0.0
541		- *
542		- * @access public
543		- */
544		- public function exportData() {
545		- check_ajax_referer( Visualizer_Plugin::ACTION_EXPORT_DATA . Visualizer_Plugin::VERSION, 'security' );
546		- $capable = current_user_can( 'edit_posts' );
547		- if ( $capable ) {
548		- $chart_id = isset( $_GET['chart'] ) ? filter_var(
549		- $_GET['chart'], FILTER_VALIDATE_INT, array(
550		- 'options' => array(
551		- 'min_range' => 1,
552		- ),
553		- )
554		- ) : '';
555		- if ( $chart_id ) {
556		- $data = $this->_getDataAs( $chart_id, 'csv' );
557		- if ( $data ) {
558		- echo wp_send_json_success( $data );
559		- }
560		- }
561		- }
562		-
563		- defined( 'WP_TESTS_DOMAIN' ) ? wp_die() : exit();
564		- }
565		-
566		- /**
567		- * Handles chart data page.
568		- *
569		- * @since 1.0.0
570		- *
571		- * @access private
572		- */
573		- private function _handleDataPage() {
574		- $data = $this->_getChartArray();
575		- $render = new Visualizer_Render_Page_Data();
576		- $render->chart = $this->_chart;
577		- $render->type = $data['type'];
578		- unset( $data['settings']['width'], $data['settings']['height'] );
579		- wp_enqueue_style( 'visualizer-frame' );
580		- wp_enqueue_script( 'visualizer-render' );
581		- wp_localize_script(
582		- 'visualizer-render', 'visualizer', array(
583		- 'l10n' => array(
584		- 'invalid_source' => esc_html__( 'You have entered invalid URL. Please, insert proper URL.', 'visualizer' ),
585		- 'loading' => esc_html__( 'Loading...', 'visualizer' ),
586		- ),
587		- 'charts' => array(
588		- 'canvas' => $data,
589		- ),
590		- )
591		- );
592		- // Added by Ash/Upwork
593		- if ( VISUALIZER_PRO ) {
594		- global $Visualizer_Pro;
595		- $Visualizer_Pro->_enqueueScriptsAndStyles( $data );
596		- }
597		- // Added by Ash/Upwork
598		- $this->_addAction( 'admin_head', 'renderFlattrScript' );
599		- wp_iframe( array( $render, 'render' ) );
600		- }
601		-}
	1	+<?php
	2	+
	3	+// +----------------------------------------------------------------------+
	4	+// | Copyright 2013 Madpixels (email : visualizer@madpixels.net) |
	5	+// +----------------------------------------------------------------------+
	6	+// | This program is free software; you can redistribute it and/or modify |
	7	+// | it under the terms of the GNU General Public License, version 2, as |
	8	+// | published by the Free Software Foundation. |
	9	+// | |
	10	+// | This program is distributed in the hope that it will be useful, |
	11	+// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
	12	+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
	13	+// | GNU General Public License for more details. |
	14	+// | |
	15	+// | You should have received a copy of the GNU General Public License |
	16	+// | along with this program; if not, write to the Free Software |
	17	+// | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
	18	+// | MA 02110-1301 USA |
	19	+// +----------------------------------------------------------------------+
	20	+// | Author: Eugene Manuilov <eugene@manuilov.org> |
	21	+// +----------------------------------------------------------------------+
	22	+
	23	+/**
	24	+ * The module for all stuff related to getting, editing, creating and deleting charts.
	25	+ *
	26	+ * @category Visualizer
	27	+ * @package Module
	28	+ *
	29	+ * @since 1.0.0
	30	+ */
	31	+class Visualizer_Module_Chart extends Visualizer_Module {
	32	+
	33	+ const NAME = __CLASS__;
	34	+
	35	+ /**
	36	+ * The chart object.
	37	+ *
	38	+ * @since 1.0.0
	39	+ *
	40	+ * @access private
	41	+ * @var WP_Post
	42	+ */
	43	+ private $_chart;
	44	+
	45	+ /**
	46	+ * Constructor.
	47	+ *
	48	+ * @since 1.0.0
	49	+ *
	50	+ * @access public
	51	+ * @param Visualizer_Plugin $plugin The instance of the plugin.
	52	+ */
	53	+ public function __construct( Visualizer_Plugin $plugin ) {
	54	+ parent::__construct( $plugin );
	55	+
	56	+ $this->_addAjaxAction( Visualizer_Plugin::ACTION_GET_CHARTS, 'getCharts' );
	57	+ $this->_addAjaxAction( Visualizer_Plugin::ACTION_DELETE_CHART, 'deleteChart' );
	58	+ $this->_addAjaxAction( Visualizer_Plugin::ACTION_CREATE_CHART, 'renderChartPages' );
	59	+ $this->_addAjaxAction( Visualizer_Plugin::ACTION_EDIT_CHART, 'renderChartPages' );
	60	+ $this->_addAjaxAction( Visualizer_Plugin::ACTION_UPLOAD_DATA, 'uploadData' );
	61	+ $this->_addAjaxAction( Visualizer_Plugin::ACTION_CLONE_CHART, 'cloneChart' );
	62	+
	63	+ // Added by Ash/Upwork
	64	+ if( defined( 'Visualizer_Pro' ) ){
	65	+ global $Visualizer_Pro;
	66	+ list($action, $name, $class) = $Visualizer_Pro->_getAjaxAction($this);
	67	+ $this->_addAjaxAction($action, $name, $class);
	68	+ }
	69	+ // Added by Ash/Upwork
	70	+
	71	+ }
	72	+
	73	+ /**
	74	+ * Sends json response.
	75	+ *
	76	+ * @since 1.0.0
	77	+ *
	78	+ * @access private
	79	+ * @param array $results The response array.
	80	+ */
	81	+ public function _sendResponse( $results ) {
	82	+ header( 'Content-type: application/json' );
	83	+ nocache_headers();
	84	+
	85	+ echo json_encode( $results );
	86	+ exit;
	87	+ }
	88	+
	89	+ /**
	90	+ * Returns chart data required for rendering.
	91	+ *
	92	+ * @since 1.0.0
	93	+ *
	94	+ * @access private
	95	+ * @param WP_Post $chart The chart object.
	96	+ * @return array The array of chart data.
	97	+ */
	98	+ private function _getChartArray( WP_Post $chart = null ) {
	99	+ if ( is_null( $chart ) ) {
	100	+ $chart = $this->_chart;
	101	+ }
	102	+
	103	+ $type = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true );
	104	+ $series = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SERIES, get_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, true ), $chart->ID, $type );
	105	+ $data = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, unserialize( $chart->post_content ), $chart->ID, $type );
	106	+
	107	+ return array(
	108	+ 'type' => $type,
	109	+ 'series' => $series,
	110	+ 'settings' => get_post_meta( $chart->ID, Visualizer_Plugin::CF_SETTINGS, true ),
	111	+ 'data' => $data,
	112	+ );
	113	+ }
	114	+
	115	+ /**
	116	+ * Fetches charts from database.
	117	+ *
	118	+ * @since 1.0.0
	119	+ *
	120	+ * @access public
	121	+ */
	122	+ public function getCharts() {
	123	+ $query_args = array(
	124	+ 'post_type' => Visualizer_Plugin::CPT_VISUALIZER,
	125	+ 'posts_per_page' => 9,
	126	+ 'paged' => filter_input( INPUT_GET, 'page', FILTER_VALIDATE_INT, array(
	127	+ 'options' => array(
	128	+ 'min_range' => 1,
	129	+ 'default' => 1,
	130	+ )
	131	+ ) )
	132	+ );
	133	+
	134	+ $filter = filter_input( INPUT_GET, 'filter' );
	135	+ if ( $filter && in_array( $filter, Visualizer_Plugin::getChartTypes() ) ) {
	136	+ $query_args['meta_query'] = array(
	137	+ array(
	138	+ 'key' => Visualizer_Plugin::CF_CHART_TYPE,
	139	+ 'value' => $filter,
	140	+ 'compare' => '=',
	141	+ ),
	142	+ );
	143	+ }
	144	+
	145	+ $query = new WP_Query( $query_args );
	146	+
	147	+ $charts = array();
	148	+ while( $query->have_posts() ) {
	149	+ $chart = $query->next_post();
	150	+
	151	+ $chart_data = $this->_getChartArray( $chart );
	152	+ $chart_data['id'] = $chart->ID;
	153	+
	154	+ $charts[] = $chart_data;
	155	+ }
	156	+
	157	+ $this->_sendResponse( array(
	158	+ 'success' => true,
	159	+ 'data' => $charts,
	160	+ 'total' => $query->max_num_pages,
	161	+ ) );
	162	+ }
	163	+
	164	+ /**
	165	+ * Deletes a chart from database.
	166	+ *
	167	+ * @since 1.0.0
	168	+ * @uses wp_delete_post() To delete a chart.
	169	+ *
	170	+ * @access public
	171	+ */
	172	+ public function deleteChart() {
	173	+ $is_post = $_SERVER['REQUEST_METHOD'] == 'POST';
	174	+ $input_method = $is_post ? INPUT_POST : INPUT_GET;
	175	+
	176	+ $chart_id = $success = false;
	177	+ $nonce = wp_verify_nonce( filter_input( $input_method, 'nonce' ) );
	178	+ $capable = current_user_can( 'delete_posts' );
	179	+ if ( $nonce && $capable ) {
	180	+ $chart_id = filter_input( $input_method, 'chart', FILTER_VALIDATE_INT, array( 'options' => array( 'min_range' => 1 ) ) );
	181	+ if ( $chart_id ) {
	182	+ $chart = get_post( $chart_id );
	183	+ $success = $chart && $chart->post_type == Visualizer_Plugin::CPT_VISUALIZER;
	184	+ }
	185	+ }
	186	+
	187	+ if ( $success ) {
	188	+ wp_delete_post( $chart_id, true );
	189	+ }
	190	+
	191	+ if ( $is_post ) {
	192	+ $this->_sendResponse( array( 'success' => $success ) );
	193	+ }
	194	+
	195	+ wp_redirect( wp_get_referer() );
	196	+ exit;
	197	+ }
	198	+
	199	+ /**
	200	+ * Renders appropriate page for chart builder. Creates new auto draft chart
	201	+ * if no chart has been specified.
	202	+ *
	203	+ * @since 1.0.0
	204	+ *
	205	+ * @access public
	206	+ */
	207	+ public function renderChartPages() {
	208	+ define ( 'IFRAME_REQUEST', 1 );
	209	+
	210	+ // check chart, if chart not exists, will create new one and redirects to the same page with proper chart id
	211	+ $chart_id = filter_input( INPUT_GET, 'chart', FILTER_VALIDATE_INT );
	212	+ if ( !$chart_id || !( $chart = get_post( $chart_id ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) {
	213	+ $default_type = 'line';
	214	+
	215	+ $source = new Visualizer_Source_Csv( VISUALIZER_ABSPATH . DIRECTORY_SEPARATOR . 'samples' . DIRECTORY_SEPARATOR . $default_type . '.csv' );
	216	+ $source->fetch();
	217	+
	218	+ $chart_id = wp_insert_post( array(
	219	+ 'post_type' => Visualizer_Plugin::CPT_VISUALIZER,
	220	+ 'post_title' => 'Visualization',
	221	+ 'post_author' => get_current_user_id(),
	222	+ 'post_status' => 'auto-draft',
	223	+ 'post_content' => $source->getData(),
	224	+ ) );
	225	+
	226	+ if ( $chart_id && !is_wp_error( $chart_id ) ) {
	227	+ add_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, $default_type );
	228	+ add_post_meta( $chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, 1 );
	229	+ add_post_meta( $chart_id, Visualizer_Plugin::CF_SOURCE, $source->getSourceName() );
	230	+ add_post_meta( $chart_id, Visualizer_Plugin::CF_SERIES, $source->getSeries() );
	231	+ add_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, array() );
	232	+ }
	233	+
	234	+ wp_redirect( add_query_arg( 'chart', (int)$chart_id ) );
	235	+ exit;
	236	+ }
	237	+
	238	+ // enqueue and register scripts and styles
	239	+ wp_register_style( 'visualizer-frame', VISUALIZER_ABSURL . 'css/frame.css', array(), Visualizer_Plugin::VERSION );
	240	+
	241	+ wp_register_script( 'visualizer-frame', VISUALIZER_ABSURL . 'js/frame.js', array( 'jquery' ), Visualizer_Plugin::VERSION, true );
	242	+ wp_register_script( 'google-jsapi', '//www.google.com/jsapi', array(), null, true );
	243	+ wp_register_script( 'visualizer-render', VISUALIZER_ABSURL . 'js/render.js', array( 'google-jsapi', 'visualizer-frame' ), Visualizer_Plugin::VERSION, true );
	244	+ wp_register_script( 'visualizer-preview', VISUALIZER_ABSURL . 'js/preview.js', array( 'wp-color-picker', 'visualizer-render' ), Visualizer_Plugin::VERSION, true );
	245	+
	246	+ // added by Ash/Upwork
	247	+ if( defined( 'Visualizer_Pro' ) ){
	248	+ global $Visualizer_Pro;
	249	+ $Visualizer_Pro->_addScriptsAndStyles();
	250	+ }
	251	+
	252	+ // dispatch pages
	253	+ $this->_chart = $chart;
	254	+ switch ( filter_input( INPUT_GET, 'tab' ) ) {
	255	+ case 'settings':
	256	+ // changed by Ash/Upwork
	257	+ $this->_handleDataAndSettingsPage();
	258	+ break;
	259	+ case 'type':
	260	+ default:
	261	+ $this->_handleTypesPage();
	262	+ break;
	263	+ }
	264	+
	265	+ exit;
	266	+ }
	267	+
	268	+ /**
	269	+ * Handles chart type selection page.
	270	+ *
	271	+ * @since 1.0.0
	272	+ *
	273	+ * @access private
	274	+ */
	275	+ private function _handleTypesPage() {
	276	+ // process post request
	277	+ if ( $_SERVER['REQUEST_METHOD'] == 'POST' && wp_verify_nonce( filter_input( INPUT_POST, 'nonce' ) ) ) {
	278	+ $type = filter_input( INPUT_POST, 'type' );
	279	+ if ( in_array( $type, Visualizer_Plugin::getChartTypes() ) ) {
	280	+ // save new chart type
	281	+ update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_CHART_TYPE, $type );
	282	+
	283	+ // if the chart has default data, update it with appropriate default data for new type
	284	+ if ( filter_var( get_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_DEFAULT_DATA, true ), FILTER_VALIDATE_BOOLEAN ) ) {
	285	+ $source = new Visualizer_Source_Csv( VISUALIZER_ABSPATH . DIRECTORY_SEPARATOR . 'samples' . DIRECTORY_SEPARATOR . $type . '.csv' );
	286	+ $source->fetch();
	287	+
	288	+ $this->_chart->post_content = $source->getData();
	289	+ wp_update_post( $this->_chart->to_array() );
	290	+
	291	+ update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_SERIES, $source->getSeries() );
	292	+ }
	293	+
	294	+ // redirect to next tab
	295	+ // changed by Ash/Upwork
	296	+ wp_redirect( add_query_arg( 'tab', 'settings' ) );
	297	+ return;
	298	+ }
	299	+ }
	300	+
	301	+ $render = new Visualizer_Render_Page_Types();
	302	+ $render->type = get_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true );
	303	+ $render->types = Visualizer_Plugin::getChartTypes();
	304	+ $render->chart = $this->_chart;
	305	+
	306	+ wp_enqueue_style( 'visualizer-frame' );
	307	+ wp_enqueue_script( 'visualizer-frame' );
	308	+
	309	+ wp_iframe( array( $render, 'render') );
	310	+ }
	311	+
	312	+ /**
	313	+ * Handles chart data page.
	314	+ *
	315	+ * @since 1.0.0
	316	+ *
	317	+ * @access private
	318	+ */
	319	+ private function _handleDataPage() {
	320	+ $data = $this->_getChartArray();
	321	+
	322	+ $render = new Visualizer_Render_Page_Data();
	323	+ $render->chart = $this->_chart;
	324	+ $render->type = $data['type'];
	325	+
	326	+ unset( $data['settings']['width'], $data['settings']['height'] );
	327	+
	328	+ wp_enqueue_style( 'visualizer-frame' );
	329	+ wp_enqueue_script( 'visualizer-render' );
	330	+ wp_localize_script( 'visualizer-render', 'visualizer', array(
	331	+ 'l10n' => array(
	332	+ 'remotecsv_prompt' => esc_html__( 'Please, enter the URL of CSV file:', Visualizer_Plugin::NAME ),
	333	+ 'invalid_source' => esc_html__( 'You have entered invalid URL. Please, insert proper URL.', Visualizer_Plugin::NAME ),
	334	+ ),
	335	+ 'charts' => array(
	336	+ 'canvas' => $data,
	337	+ ),
	338	+ ) );
	339	+
	340	+ // Added by Ash/Upwork
	341	+ if( defined( 'Visualizer_Pro' ) ){
	342	+ global $Visualizer_Pro;
	343	+ $Visualizer_Pro->_enqueueScriptsAndStyles($data);
	344	+ }
	345	+ // Added by Ash/Upwork
	346	+
	347	+ $this->_addAction( 'admin_head', 'renderFlattrScript' );
	348	+
	349	+ wp_iframe( array( $render, 'render') );
	350	+ }
	351	+
	352	+ /**
	353	+ * Handles chart settigns page.
	354	+ *
	355	+ * @since 1.0.0
	356	+ *
	357	+ * @access private
	358	+ */
	359	+ private function _handleSettingsPage() {
	360	+ if ( $_SERVER['REQUEST_METHOD'] == 'POST' && wp_verify_nonce( filter_input( INPUT_GET, 'nonce' ) ) ) {
	361	+ if ( $this->_chart->post_status == 'auto-draft' ) {
	362	+ $this->_chart->post_status = 'publish';
	363	+ wp_update_post( $this->_chart->to_array() );
	364	+ }
	365	+
	366	+ update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_SETTINGS, $_POST );
	367	+
	368	+ $render = new Visualizer_Render_Page_Send();
	369	+ $render->text = sprintf( '[visualizer id="%d"]', $this->_chart->ID );
	370	+
	371	+ wp_iframe( array( $render, 'render') );
	372	+ return;
	373	+ }
	374	+
	375	+ $data = $this->_getChartArray();
	376	+
	377	+ $sidebar = '';
	378	+ $sidebar_class = 'Visualizer_Render_Sidebar_Type_' . ucfirst( $data['type'] );
	379	+ if ( class_exists( $sidebar_class, true ) ) {
	380	+ $sidebar = new $sidebar_class( $data['settings'] );
	381	+ $sidebar->__series = $data['series'];
	382	+ $sidebar->__data = $data['data'];
	383	+ }
	384	+
	385	+ unset( $data['settings']['width'], $data['settings']['height'] );
	386	+
	387	+ wp_enqueue_style( 'wp-color-picker' );
	388	+ wp_enqueue_style( 'visualizer-frame' );
	389	+
	390	+ wp_enqueue_script( 'visualizer-preview' );
	391	+ wp_localize_script( 'visualizer-render', 'visualizer', array(
	392	+ 'charts' => array(
	393	+ 'canvas' => $data,
	394	+ ),
	395	+ ) );
	396	+
	397	+ $render = new Visualizer_Render_Page_Settings();
	398	+
	399	+ $render->sidebar = $sidebar;
	400	+ if ( filter_input( INPUT_GET, 'library', FILTER_VALIDATE_BOOLEAN ) ) {
	401	+ $render->button = filter_input( INPUT_GET, 'action' ) == Visualizer_Plugin::ACTION_EDIT_CHART
	402	+ ? esc_html__( 'Save Chart', Visualizer_Plugin::NAME )
	403	+ : esc_html__( 'Create Chart', Visualizer_Plugin::NAME );
	404	+ } else {
	405	+ $render->button = esc_attr__( 'Insert Chart', Visualizer_Plugin::NAME );
	406	+ }
	407	+
	408	+ $this->_addAction( 'admin_head', 'renderFlattrScript' );
	409	+
	410	+ wp_iframe( array( $render, 'render') );
	411	+ }
	412	+
	413	+
	414	+ // changed by Ash/Upwork
	415	+ private function _handleDataAndSettingsPage(){
	416	+ if ( $_SERVER['REQUEST_METHOD'] == 'POST' && wp_verify_nonce( filter_input( INPUT_GET, 'nonce' ) ) ) {
	417	+ if ( $this->_chart->post_status == 'auto-draft' ) {
	418	+ $this->_chart->post_status = 'publish';
	419	+ wp_update_post( $this->_chart->to_array() );
	420	+ }
	421	+
	422	+ update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_SETTINGS, $_POST );
	423	+
	424	+ $render = new Visualizer_Render_Page_Send();
	425	+ $render->text = sprintf( '[visualizer id="%d"]', $this->_chart->ID );
	426	+
	427	+ wp_iframe( array( $render, 'render') );
	428	+ return;
	429	+ }
	430	+
	431	+ $data = $this->_getChartArray();
	432	+
	433	+ $sidebar = '';
	434	+ $sidebar_class = 'Visualizer_Render_Sidebar_Type_' . ucfirst( $data['type'] );
	435	+ if ( class_exists( $sidebar_class, true ) ) {
	436	+ $sidebar = new $sidebar_class( $data['settings'] );
	437	+ $sidebar->__series = $data['series'];
	438	+ $sidebar->__data = $data['data'];
	439	+ }
	440	+
	441	+ unset( $data['settings']['width'], $data['settings']['height'] );
	442	+
	443	+ wp_enqueue_style( 'visualizer-frame' );
	444	+ wp_enqueue_style( 'wp-color-picker' );
	445	+ wp_enqueue_style( 'visualizer-frame' );
	446	+
	447	+ wp_enqueue_script( 'visualizer-preview' );
	448	+ wp_enqueue_script( 'visualizer-render' );
	449	+ wp_localize_script( 'visualizer-render', 'visualizer', array(
	450	+ 'l10n' => array(
	451	+ 'remotecsv_prompt' => esc_html__( 'Please, enter the URL of CSV file:', Visualizer_Plugin::NAME ),
	452	+ 'invalid_source' => esc_html__( 'You have entered invalid URL. Please, insert proper URL.', Visualizer_Plugin::NAME ),
	453	+ ),
	454	+ 'charts' => array(
	455	+ 'canvas' => $data,
	456	+ ),
	457	+ ) );
	458	+
	459	+ $render = new Visualizer_Render_Page_Data();
	460	+ $render->chart = $this->_chart;
	461	+ $render->type = $data['type'];
	462	+
	463	+ $render->sidebar = $sidebar;
	464	+ if ( filter_input( INPUT_GET, 'library', FILTER_VALIDATE_BOOLEAN ) ) {
	465	+ $render->button = filter_input( INPUT_GET, 'action' ) == Visualizer_Plugin::ACTION_EDIT_CHART
	466	+ ? esc_html__( 'Save Chart', Visualizer_Plugin::NAME )
	467	+ : esc_html__( 'Create Chart', Visualizer_Plugin::NAME );
	468	+ } else {
	469	+ $render->button = esc_attr__( 'Insert Chart', Visualizer_Plugin::NAME );
	470	+ }
	471	+
	472	+ if( defined( 'Visualizer_Pro' ) ){
	473	+ global $Visualizer_Pro;
	474	+ $Visualizer_Pro->_enqueueScriptsAndStyles($data);
	475	+ }
	476	+
	477	+ $this->_addAction( 'admin_head', 'renderFlattrScript' );
	478	+
	479	+ wp_iframe( array( $render, 'render') );
	480	+ }
	481	+ // changed by Ash/Upwork
	482	+
	483	+ /**
	484	+ * Renders flattr script in the iframe <head>
	485	+ *
	486	+ * @since 1.4.2
	487	+ * @action admin_head
	488	+ *
	489	+ * @access public
	490	+ */
	491	+ public function renderFlattrScript() {
	492	+ echo '';
	493	+ }
	494	+
	495	+ /**
	496	+ * Parses uploaded CSV file and saves new data for the chart.
	497	+ *
	498	+ * @since 1.0.0
	499	+ *
	500	+ * @access public
	501	+ */
	502	+ public function uploadData() {
	503	+ // validate nonce
	504	+ if ( !wp_verify_nonce( filter_input( INPUT_GET, 'nonce' ) ) ) {
	505	+ status_header( 403 );
	506	+ exit;
	507	+ }
	508	+
	509	+ // check chart, if chart exists
	510	+ $chart_id = filter_input( INPUT_GET, 'chart', FILTER_VALIDATE_INT );
	511	+ if ( !$chart_id || !( $chart = get_post( $chart_id ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) {
	512	+ status_header( 400 );
	513	+ exit;
	514	+ }
	515	+
	516	+ $source = null;
	517	+ $render = new Visualizer_Render_Page_Update();
	518	+ if ( filter_input( INPUT_POST, 'remote_data', FILTER_VALIDATE_URL ) ) {
	519	+ $source = new Visualizer_Source_Csv_Remote( $_POST['remote_data'] );
	520	+ } elseif ( isset( $_FILES['local_data'] ) && $_FILES['local_data']['error'] == 0 ) {
	521	+ $source = new Visualizer_Source_Csv( $_FILES['local_data']['tmp_name'] );
	522	+
	523	+ // Added by Ash/Upwork
	524	+ } elseif ( defined( 'Visualizer_Pro' ) && isset( $_POST['chart_data'] ) && strlen( $_POST['chart_data'] ) > 0){
	525	+ global $Visualizer_Pro;
	526	+ $source = $Visualizer_Pro->_handleChartData($_POST['chart_data']);
	527	+ // Added by Ash/Upwork
	528	+
	529	+ } else {
	530	+ $render->message = esc_html__( "CSV file with chart data was not uploaded. Please, try again.", Visualizer_Plugin::NAME );
	531	+ }
	532	+
	533	+ if ( $source ) {
	534	+ if ( $source->fetch() ) {
	535	+ $chart->post_content = $source->getData();
	536	+ wp_update_post( $chart->to_array() );
	537	+
	538	+ update_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, $source->getSeries() );
	539	+ update_post_meta( $chart->ID, Visualizer_Plugin::CF_SOURCE, $source->getSourceName() );
	540	+ update_post_meta( $chart->ID, Visualizer_Plugin::CF_DEFAULT_DATA, 0 );
	541	+
	542	+ $render->data = json_encode( $source->getRawData() );
	543	+ $render->series = json_encode( $source->getSeries() );
	544	+ } else {
	545	+ $render->message = esc_html__( "CSV file is broken or invalid. Please, try again.", Visualizer_Plugin::NAME );
	546	+ }
	547	+ }
	548	+
	549	+ $render->render();
	550	+ exit;
	551	+ }
	552	+
	553	+ /**
	554	+ * Clones the chart.
	555	+ *
	556	+ * @since 1.0.0
	557	+ *
	558	+ * @access public
	559	+ */
	560	+ public function cloneChart() {
	561	+ $chart_id = $success = false;
	562	+ $nonce = wp_verify_nonce( filter_input( INPUT_GET, 'nonce' ), Visualizer_Plugin::ACTION_CLONE_CHART );
	563	+ $capable = current_user_can( 'edit_posts' );
	564	+ if ( $nonce && $capable ) {
	565	+ $chart_id = filter_input( INPUT_GET, 'chart', FILTER_VALIDATE_INT, array( 'options' => array( 'min_range' => 1 ) ) );
	566	+ if ( $chart_id ) {
	567	+ $chart = get_post( $chart_id );
	568	+ $success = $chart && $chart->post_type == Visualizer_Plugin::CPT_VISUALIZER;
	569	+ }
	570	+ }
	571	+
	572	+ $redirect = wp_get_referer();
	573	+ if ( $success ) {
	574	+ $new_chart_id = wp_insert_post( array(
	575	+ 'post_type' => Visualizer_Plugin::CPT_VISUALIZER,
	576	+ 'post_title' => 'Visualization',
	577	+ 'post_author' => get_current_user_id(),
	578	+ 'post_status' => $chart->post_status,
	579	+ 'post_content' => $chart->post_content,
	580	+ ) );
	581	+
	582	+ if ( $new_chart_id && !is_wp_error( $new_chart_id ) ) {
	583	+ add_post_meta( $new_chart_id, Visualizer_Plugin::CF_CHART_TYPE, get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, true ) );
	584	+ add_post_meta( $new_chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, get_post_meta( $chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, true ) );
	585	+ add_post_meta( $new_chart_id, Visualizer_Plugin::CF_SOURCE, get_post_meta( $chart_id, Visualizer_Plugin::CF_SOURCE, true ) );
	586	+ add_post_meta( $new_chart_id, Visualizer_Plugin::CF_SERIES, get_post_meta( $chart_id, Visualizer_Plugin::CF_SERIES, true ) );
	587	+ add_post_meta( $new_chart_id, Visualizer_Plugin::CF_SETTINGS, get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true ) );
	588	+
	589	+ $redirect = add_query_arg( array(
	590	+ 'page' => 'visualizer',
	591	+ 'type' => filter_input( INPUT_GET, 'type' ),
	592	+ ), admin_url( 'upload.php' ) );
	593	+ }
	594	+ }
	595	+
	596	+ wp_redirect( $redirect );
	597	+ exit;
	598	+ }
	599	+
	600	+}