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<?php |
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|
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// +----------------------------------------------------------------------+ |
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// | Copyright 2013 Madpixels (email : visualizer@madpixels.net) | |
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// +----------------------------------------------------------------------+ |
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// | This program is free software; you can redistribute it and/or modify | |
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// | it under the terms of the GNU General Public License, version 2, as | |
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// | published by the Free Software Foundation. | |
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// | | |
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// | This program is distributed in the hope that it will be useful, | |
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// | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
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// | GNU General Public License for more details. | |
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// | | |
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// | You should have received a copy of the GNU General Public License | |
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// | along with this program; if not, write to the Free Software | |
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// | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, | |
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// | MA 02110-1301 USA | |
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// +----------------------------------------------------------------------+ |
| 20 |
// | Author: Eugene Manuilov <eugene@manuilov.org> | |
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// +----------------------------------------------------------------------+ |
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|
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/** |
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* The module for all stuff related to getting, editing, creating and deleting charts. |
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* |
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* @category Visualizer |
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* @package Module |
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* |
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* @since 1.0.0 |
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*/ |
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class Visualizer_Module_Chart extends Visualizer_Module { |
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|
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const NAME = __CLASS__; |
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|
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/** |
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* The chart object. |
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* |
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* @since 1.0.0 |
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* |
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* @access private |
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* @var WP_Post |
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*/ |
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private $_chart; |
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|
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/** |
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* Constructor. |
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* |
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* @since 1.0.0 |
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* |
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* @access public |
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* @param Visualizer_Plugin $plugin The instance of the plugin. |
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*/ |
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public function __construct( Visualizer_Plugin $plugin ) { |
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parent::__construct( $plugin ); |
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|
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$this->_addAjaxAction( Visualizer_Plugin::ACTION_GET_CHARTS, 'getCharts' ); |
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$this->_addAjaxAction( Visualizer_Plugin::ACTION_DELETE_CHART, 'deleteChart' ); |
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$this->_addAjaxAction( Visualizer_Plugin::ACTION_CREATE_CHART, 'renderChartPages' ); |
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$this->_addAjaxAction( Visualizer_Plugin::ACTION_EDIT_CHART, 'renderChartPages' ); |
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$this->_addAjaxAction( Visualizer_Plugin::ACTION_UPLOAD_DATA, 'uploadData' ); |
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$this->_addAjaxAction( Visualizer_Plugin::ACTION_CLONE_CHART, 'cloneChart' ); |
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} |
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|
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/** |
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* Sends json response. |
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* |
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* @since 1.0.0 |
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* |
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* @access private |
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* @param array $results The response array. |
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*/ |
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private function _sendResponse( $results ) { |
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header( 'Content-type: application/json' ); |
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nocache_headers(); |
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|
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echo json_encode( $results ); |
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exit; |
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} |
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|
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/** |
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* Returns chart data required for rendering. |
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* |
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* @since 1.0.0 |
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* |
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* @access private |
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* @param WP_Post $chart The chart object. |
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* @return array The array of chart data. |
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*/ |
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private function _getChartArray( WP_Post $chart = null ) { |
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if ( is_null( $chart ) ) { |
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$chart = $this->_chart; |
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} |
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|
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$type = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true ); |
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$series = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SERIES, get_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, true ), $chart->ID, $type ); |
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$data = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, unserialize( $chart->post_content ), $chart->ID, $type ); |
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|
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return array( |
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'type' => $type, |
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'series' => $series, |
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'settings' => get_post_meta( $chart->ID, Visualizer_Plugin::CF_SETTINGS, true ), |
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'data' => $data, |
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); |
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} |
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|
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/** |
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* Fetches charts from database. |
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* |
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* @since 1.0.0 |
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* |
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* @access public |
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*/ |
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public function getCharts() { |
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$query_args = array( |
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'post_type' => Visualizer_Plugin::CPT_VISUALIZER, |
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'posts_per_page' => 9, |
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'paged' => filter_input( INPUT_GET, 'page', FILTER_VALIDATE_INT, array( |
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'options' => array( |
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'min_range' => 1, |
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'default' => 1, |
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) |
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) ) |
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); |
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|
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$filter = filter_input( INPUT_GET, 'filter' ); |
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if ( $filter && in_array( $filter, Visualizer_Plugin::getChartTypes() ) ) { |
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$query_args['meta_query'] = array( |
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array( |
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'key' => Visualizer_Plugin::CF_CHART_TYPE, |
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'value' => $filter, |
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'compare' => '=', |
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), |
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); |
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} |
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|
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$query = new WP_Query( $query_args ); |
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|
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$charts = array(); |
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while( $query->have_posts() ) { |
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$chart = $query->next_post(); |
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|
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$chart_data = $this->_getChartArray( $chart ); |
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$chart_data['id'] = $chart->ID; |
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|
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$charts[] = $chart_data; |
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} |
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|
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$this->_sendResponse( array( |
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'success' => true, |
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'data' => $charts, |
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'total' => $query->max_num_pages, |
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) ); |
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} |
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|
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/** |
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* Deletes a chart from database. |
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* |
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* @since 1.0.0 |
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* @uses wp_delete_post() To delete a chart. |
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* |
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* @access public |
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*/ |
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public function deleteChart() { |
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$is_post = $_SERVER['REQUEST_METHOD'] == 'POST'; |
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$input_method = $is_post ? INPUT_POST : INPUT_GET; |
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|
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$chart_id = $success = false; |
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$nonce = Visualizer_Security::verifyNonce( filter_input( $input_method, 'nonce' ) ); |
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$capable = current_user_can( 'delete_posts' ); |
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if ( $nonce && $capable ) { |
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$chart_id = filter_input( $input_method, 'chart', FILTER_VALIDATE_INT, array( 'options' => array( 'min_range' => 1 ) ) ); |
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if ( $chart_id ) { |
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$chart = get_post( $chart_id ); |
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$success = $chart && $chart->post_type == Visualizer_Plugin::CPT_VISUALIZER; |
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} |
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} |
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|
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if ( $success ) { |
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wp_delete_post( $chart_id, true ); |
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} |
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|
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if ( $is_post ) { |
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$this->_sendResponse( array( 'success' => $success ) ); |
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} |
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|
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wp_redirect( wp_get_referer() ); |
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exit; |
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} |
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|
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/** |
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* Renders appropriate page for chart builder. Creates new auto draft chart |
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* if no chart has been specified. |
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* |
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* @since 1.0.0 |
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* |
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* @access public |
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*/ |
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public function renderChartPages() { |
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define ( 'IFRAME_REQUEST', 1 ); |
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|
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// check chart, if chart not exists, will create new one and redirects to the same page with proper chart id |
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$chart_id = filter_input( INPUT_GET, 'chart', FILTER_VALIDATE_INT ); |
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if ( !$chart_id || !( $chart = get_post( $chart_id ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) { |
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$default_type = 'line'; |
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|
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$source = new Visualizer_Source_Csv( VISUALIZER_ABSPATH . DIRECTORY_SEPARATOR . 'samples' . DIRECTORY_SEPARATOR . $default_type . '.csv' ); |
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$source->fetch(); |
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|
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$chart_id = wp_insert_post( array( |
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'post_type' => Visualizer_Plugin::CPT_VISUALIZER, |
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'post_title' => 'Visualization', |
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'post_author' => get_current_user_id(), |
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'post_status' => 'auto-draft', |
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'post_content' => $source->getData(), |
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) ); |
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|
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if ( $chart_id && !is_wp_error( $chart_id ) ) { |
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add_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, $default_type ); |
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add_post_meta( $chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, 1 ); |
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add_post_meta( $chart_id, Visualizer_Plugin::CF_SOURCE, $source->getSourceName() ); |
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add_post_meta( $chart_id, Visualizer_Plugin::CF_SERIES, $source->getSeries() ); |
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add_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, array() ); |
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} |
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|
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wp_redirect( add_query_arg( 'chart', (int)$chart_id ) ); |
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exit; |
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} |
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|
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// enqueue and register scripts and styles |
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wp_register_style( 'visualizer-frame', VISUALIZER_ABSURL . 'css/frame.css', array(), Visualizer_Plugin::VERSION ); |
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|
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wp_register_script( 'visualizer-frame', VISUALIZER_ABSURL . 'js/frame.js', array( 'jquery' ), Visualizer_Plugin::VERSION, true ); |
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wp_register_script( 'google-jsapi', '//www.google.com/jsapi', array(), null, true ); |
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wp_register_script( 'visualizer-render', VISUALIZER_ABSURL . 'js/render.js', array( 'google-jsapi', 'visualizer-frame' ), Visualizer_Plugin::VERSION, true ); |
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wp_register_script( 'visualizer-preview', VISUALIZER_ABSURL . 'js/preview.js', array( 'wp-color-picker', 'visualizer-render' ), Visualizer_Plugin::VERSION, true ); |
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|
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// dispatch pages |
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$this->_chart = $chart; |
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switch ( filter_input( INPUT_GET, 'tab' ) ) { |
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case 'data': |
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$this->_handleDataPage(); |
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break; |
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case 'settings': |
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$this->_handleSettingsPage(); |
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break; |
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case 'type': |
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default: |
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$this->_handleTypesPage(); |
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break; |
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} |
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|
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exit; |
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} |
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|
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/** |
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* Handles chart type selection page. |
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* |
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* @since 1.0.0 |
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* |
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* @access private |
| 261 |
*/ |
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private function _handleTypesPage() { |
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// process post request |
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if ( $_SERVER['REQUEST_METHOD'] == 'POST' && Visualizer_Security::verifyNonce( filter_input( INPUT_POST, 'nonce' ) ) ) { |
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$type = filter_input( INPUT_POST, 'type' ); |
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if ( in_array( $type, Visualizer_Plugin::getChartTypes() ) ) { |
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// save new chart type |
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update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_CHART_TYPE, $type ); |
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|
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// if the chart has default data, update it with appropriate default data for new type |
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if ( filter_var( get_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_DEFAULT_DATA, true ), FILTER_VALIDATE_BOOLEAN ) ) { |
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$source = new Visualizer_Source_Csv( VISUALIZER_ABSPATH . DIRECTORY_SEPARATOR . 'samples' . DIRECTORY_SEPARATOR . $type . '.csv' ); |
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$source->fetch(); |
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|
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$this->_chart->post_content = $source->getData(); |
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wp_update_post( $this->_chart->to_array() ); |
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|
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update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_SERIES, $source->getSeries() ); |
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} |
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|
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// redirect to next tab |
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wp_redirect( add_query_arg( 'tab', 'data' ) ); |
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return; |
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} |
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} |
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|
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$render = new Visualizer_Render_Page_Types(); |
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$render->type = get_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true ); |
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$render->types = Visualizer_Plugin::getChartTypes(); |
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$render->chart = $this->_chart; |
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|
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wp_enqueue_style( 'visualizer-frame' ); |
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wp_enqueue_script( 'visualizer-frame' ); |
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|
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wp_iframe( array( $render, 'render') ); |
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} |
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|
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/** |
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* Handles chart data page. |
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* |
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* @since 1.0.0 |
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* |
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* @access private |
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*/ |
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private function _handleDataPage() { |
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$data = $this->_getChartArray(); |
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|
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$render = new Visualizer_Render_Page_Data(); |
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$render->chart = $this->_chart; |
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$render->type = $data['type']; |
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|
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unset( $data['settings']['width'], $data['settings']['height'] ); |
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|
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wp_enqueue_style( 'visualizer-frame' ); |
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wp_enqueue_script( 'visualizer-render' ); |
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wp_localize_script( 'visualizer-render', 'visualizer', array( |
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'l10n' => array( |
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'remotecsv_prompt' => esc_html__( 'Please, enter the URL of CSV file:', Visualizer_Plugin::NAME ), |
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'invalid_source' => esc_html__( 'You have entered invalid URL. Please, insert proper URL.', Visualizer_Plugin::NAME ), |
| 320 |
), |
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'charts' => array( |
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'canvas' => $data, |
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), |
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) ); |
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|
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wp_iframe( array( $render, 'render') ); |
| 327 |
} |
| 328 |
|
| 329 |
/** |
| 330 |
* Handles chart settigns page. |
| 331 |
* |
| 332 |
* @since 1.0.0 |
| 333 |
* |
| 334 |
* @access private |
| 335 |
*/ |
| 336 |
private function _handleSettingsPage() { |
| 337 |
if ( $_SERVER['REQUEST_METHOD'] == 'POST' && Visualizer_Security::verifyNonce( filter_input( INPUT_GET, 'nonce' ) ) ) { |
| 338 |
if ( $this->_chart->post_status == 'auto-draft' ) { |
| 339 |
$this->_chart->post_status = 'publish'; |
| 340 |
wp_update_post( $this->_chart->to_array() ); |
| 341 |
} |
| 342 |
|
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update_post_meta( $this->_chart->ID, Visualizer_Plugin::CF_SETTINGS, $_POST ); |
| 344 |
|
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$render = new Visualizer_Render_Page_Send(); |
| 346 |
$render->text = sprintf( '[visualizer id="%d"]', $this->_chart->ID ); |
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|
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wp_iframe( array( $render, 'render') ); |
| 349 |
return; |
| 350 |
} |
| 351 |
|
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$data = $this->_getChartArray(); |
| 353 |
|
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$sidebar = ''; |
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$sidebar_class = 'Visualizer_Render_Sidebar_Type_' . ucfirst( $data['type'] ); |
| 356 |
if ( class_exists( $sidebar_class, true ) ) { |
| 357 |
$sidebar = new $sidebar_class( $data['settings'] ); |
| 358 |
$sidebar->__series = $data['series']; |
| 359 |
$sidebar->__data = $data['data']; |
| 360 |
} |
| 361 |
|
| 362 |
unset( $data['settings']['width'], $data['settings']['height'] ); |
| 363 |
|
| 364 |
wp_enqueue_style( 'wp-color-picker' ); |
| 365 |
wp_enqueue_style( 'visualizer-frame' ); |
| 366 |
|
| 367 |
wp_enqueue_script( 'visualizer-preview' ); |
| 368 |
wp_localize_script( 'visualizer-render', 'visualizer', array( |
| 369 |
'charts' => array( |
| 370 |
'canvas' => $data, |
| 371 |
), |
| 372 |
) ); |
| 373 |
|
| 374 |
$render = new Visualizer_Render_Page_Settings(); |
| 375 |
|
| 376 |
$render->sidebar = $sidebar; |
| 377 |
if ( filter_input( INPUT_GET, 'library', FILTER_VALIDATE_BOOLEAN ) ) { |
| 378 |
$render->button = filter_input( INPUT_GET, 'action' ) == Visualizer_Plugin::ACTION_EDIT_CHART |
| 379 |
? esc_html__( 'Save Chart', Visualizer_Plugin::NAME ) |
| 380 |
: esc_html__( 'Create Chart', Visualizer_Plugin::NAME ); |
| 381 |
} else { |
| 382 |
$render->button = esc_attr__( 'Insert Chart', Visualizer_Plugin::NAME ); |
| 383 |
} |
| 384 |
|
| 385 |
wp_iframe( array( $render, 'render') ); |
| 386 |
} |
| 387 |
|
| 388 |
/** |
| 389 |
* Parses uploaded CSV file and saves new data for the chart. |
| 390 |
* |
| 391 |
* @since 1.0.0 |
| 392 |
* |
| 393 |
* @access public |
| 394 |
*/ |
| 395 |
public function uploadData() { |
| 396 |
// validate nonce |
| 397 |
if ( !Visualizer_Security::verifyNonce( filter_input( INPUT_GET, 'nonce' ) ) ) { |
| 398 |
status_header( 403 ); |
| 399 |
exit; |
| 400 |
} |
| 401 |
|
| 402 |
// check chart, if chart exists |
| 403 |
$chart_id = filter_input( INPUT_GET, 'chart', FILTER_VALIDATE_INT ); |
| 404 |
if ( !$chart_id || !( $chart = get_post( $chart_id ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) { |
| 405 |
status_header( 400 ); |
| 406 |
exit; |
| 407 |
} |
| 408 |
|
| 409 |
$source = null; |
| 410 |
$render = new Visualizer_Render_Page_Update(); |
| 411 |
if ( filter_input( INPUT_POST, 'remote_data', FILTER_VALIDATE_URL ) ) { |
| 412 |
$source = new Visualizer_Source_Csv_Remote( $_POST['remote_data'] ); |
| 413 |
} elseif ( isset( $_FILES['local_data'] ) && $_FILES['local_data']['error'] == 0 ) { |
| 414 |
$source = new Visualizer_Source_Csv( $_FILES['local_data']['tmp_name'] ); |
| 415 |
} else { |
| 416 |
$render->message = esc_html__( "CSV file with chart data was not uploaded. Please, try again.", Visualizer_Plugin::NAME ); |
| 417 |
} |
| 418 |
|
| 419 |
if ( $source ) { |
| 420 |
if ( $source->fetch() ) { |
| 421 |
$chart->post_content = $source->getData(); |
| 422 |
wp_update_post( $chart->to_array() ); |
| 423 |
|
| 424 |
update_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, $source->getSeries() ); |
| 425 |
update_post_meta( $chart->ID, Visualizer_Plugin::CF_SOURCE, $source->getSourceName() ); |
| 426 |
update_post_meta( $chart->ID, Visualizer_Plugin::CF_DEFAULT_DATA, 0 ); |
| 427 |
|
| 428 |
$render->data = json_encode( $source->getRawData() ); |
| 429 |
$render->series = json_encode( $source->getSeries() ); |
| 430 |
} else { |
| 431 |
$render->message = esc_html__( "CSV file is broken or invalid. Please, try again.", Visualizer_Plugin::NAME ); |
| 432 |
} |
| 433 |
} |
| 434 |
|
| 435 |
$render->render(); |
| 436 |
exit; |
| 437 |
} |
| 438 |
|
| 439 |
/** |
| 440 |
* Clones the chart. |
| 441 |
* |
| 442 |
* @since 1.0.0 |
| 443 |
* |
| 444 |
* @access public |
| 445 |
*/ |
| 446 |
public function cloneChart() { |
| 447 |
$chart_id = $success = false; |
| 448 |
$nonce = Visualizer_Security::verifyNonce( filter_input( INPUT_GET, 'nonce' ), Visualizer_Plugin::ACTION_CLONE_CHART ); |
| 449 |
$capable = current_user_can( 'edit_posts' ); |
| 450 |
if ( $nonce && $capable ) { |
| 451 |
$chart_id = filter_input( INPUT_GET, 'chart', FILTER_VALIDATE_INT, array( 'options' => array( 'min_range' => 1 ) ) ); |
| 452 |
if ( $chart_id ) { |
| 453 |
$chart = get_post( $chart_id ); |
| 454 |
$success = $chart && $chart->post_type == Visualizer_Plugin::CPT_VISUALIZER; |
| 455 |
} |
| 456 |
} |
| 457 |
|
| 458 |
$redirect = wp_get_referer(); |
| 459 |
if ( $success ) { |
| 460 |
$new_chart_id = wp_insert_post( array( |
| 461 |
'post_type' => Visualizer_Plugin::CPT_VISUALIZER, |
| 462 |
'post_title' => 'Visualization', |
| 463 |
'post_author' => get_current_user_id(), |
| 464 |
'post_status' => $chart->post_status, |
| 465 |
'post_content' => $chart->post_content, |
| 466 |
) ); |
| 467 |
|
| 468 |
if ( $new_chart_id && !is_wp_error( $new_chart_id ) ) { |
| 469 |
add_post_meta( $new_chart_id, Visualizer_Plugin::CF_CHART_TYPE, get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, true ) ); |
| 470 |
add_post_meta( $new_chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, get_post_meta( $chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, true ) ); |
| 471 |
add_post_meta( $new_chart_id, Visualizer_Plugin::CF_SOURCE, get_post_meta( $chart_id, Visualizer_Plugin::CF_SOURCE, true ) ); |
| 472 |
add_post_meta( $new_chart_id, Visualizer_Plugin::CF_SERIES, get_post_meta( $chart_id, Visualizer_Plugin::CF_SERIES, true ) ); |
| 473 |
add_post_meta( $new_chart_id, Visualizer_Plugin::CF_SETTINGS, get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true ) ); |
| 474 |
|
| 475 |
$redirect = add_query_arg( array( |
| 476 |
'page' => 'visualizer', |
| 477 |
'type' => filter_input( INPUT_GET, 'type' ), |
| 478 |
), admin_url( 'upload.php' ) ); |
| 479 |
} |
| 480 |
} |
| 481 |
|
| 482 |
wp_redirect( $redirect ); |
| 483 |
exit; |
| 484 |
} |
| 485 |
|
| 486 |
} |
