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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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// +----------------------------------------------------------------------+ |
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// | Author: Eugene Manuilov <eugene@manuilov.org> | |
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// +----------------------------------------------------------------------+ |
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/** |
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* Base class for all modules. Implements routine methods required by all modules. |
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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 { |
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|
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/** |
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* The instance of wpdb class. |
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* |
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* @since 1.0.0 |
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* |
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* @access protected |
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* @var wpdb |
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*/ |
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protected $_wpdb = null; |
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|
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/** |
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* The plugin instance. |
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* |
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* @since 1.0.0 |
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* |
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* @access protected |
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* @var Visualizer_Plugin |
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*/ |
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protected $_plugin = null; |
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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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* @global wpdb $wpdb Current database connection. |
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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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global $wpdb; |
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|
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$this->_wpdb = $wpdb; |
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$this->_plugin = $plugin; |
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|
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$this->_addFilter( Visualizer_Plugin::FILTER_UNDO_REVISIONS, 'undoRevisions', 10, 2 ); |
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$this->_addFilter( Visualizer_Plugin::FILTER_HANDLE_REVISIONS, 'handleExistingRevisions', 10, 2 ); |
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$this->_addFilter( Visualizer_Plugin::FILTER_GET_CHART_DATA_AS, 'getDataAs', 10, 3 ); |
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register_shutdown_function( array($this, 'onShutdown') ); |
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|
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} |
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|
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/** |
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* Register a shutdown hook to catch fatal errors. |
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* |
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* @since ? |
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* |
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* @access public |
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*/ |
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public function onShutdown() { |
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$error = error_get_last(); |
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if ( $error && $error['type'] === E_ERROR && false !== strpos( $error['file'], 'Visualizer/' ) ) { |
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do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Critical error %s', print_r( $error, true ) ), 'error', __FILE__, __LINE__ ); |
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} |
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} |
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|
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/** |
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* Registers an action hook. |
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* |
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* @since 1.0.0 |
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* @uses add_action() To register action hook. |
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* |
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* @access protected |
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* @param string $tag The name of the action to which the $method is hooked. |
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* @param string $method The name of the method to be called. |
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* @param bool $methodClass The root of the method. |
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* @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. |
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* @param int $accepted_args optional. The number of arguments the function accept (default 1). |
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* @return Visualizer_Module |
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*/ |
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protected function _addAction( $tag, $method, $methodClass = null, $priority = 10, $accepted_args = 1 ) { |
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add_action( $tag, array( $methodClass ? $methodClass : $this, $method ), $priority, $accepted_args ); |
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return $this; |
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} |
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|
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/** |
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* Registers AJAX action hook. |
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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 string $tag The name of the AJAX action to which the $method is hooked. |
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* @param string $method Optional. The name of the method to be called. If the name of the method is not provided, tag name will be used as method name. |
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* @param bool $methodClass The root of the method. |
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* @param boolean $private Optional. Determines if we should register hook for logged in users. |
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* @param boolean $public Optional. Determines if we should register hook for not logged in users. |
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* @return Visualizer_Module |
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*/ |
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protected function _addAjaxAction( $tag, $method = '', $methodClass = null, $private = true, $public = false ) { |
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if ( $private ) { |
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$this->_addAction( 'wp_ajax_' . $tag, $method, $methodClass ); |
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} |
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|
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if ( $public ) { |
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$this->_addAction( 'wp_ajax_nopriv_' . $tag, $method, $methodClass ); |
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} |
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|
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return $this; |
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} |
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|
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/** |
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* Registers a filter hook. |
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* |
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* @since 1.0.0 |
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* @uses add_filter() To register filter hook. |
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* |
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* @access protected |
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* @param string $tag The name of the filter to hook the $method to. |
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* @param type $method The name of the method to be called when the filter is applied. |
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* @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. |
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* @param int $accepted_args optional. The number of arguments the function accept (default 1). |
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* @return Visualizer_Module |
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*/ |
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protected function _addFilter( $tag, $method, $priority = 10, $accepted_args = 1 ) { |
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add_filter( $tag, array( $this, $method ), $priority, $accepted_args ); |
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return $this; |
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} |
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|
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/** |
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* Registers a hook for shortcode tag. |
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* |
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* @since 1.0.0 |
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* @uses add_shortcode() To register shortcode hook. |
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* |
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* @access protected |
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* @param string $tag Shortcode tag to be searched in post content. |
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* @param string $method Hook to run when shortcode is found. |
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* @return Visualizer_Module |
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*/ |
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protected function _addShortcode( $tag, $method ) { |
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add_shortcode( $tag, array( $this, $method ) ); |
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return $this; |
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} |
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|
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/** |
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* A wrapper around the actual function _getDataAs. This function is invoked as a filter. |
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* |
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* @since 3.2.0 |
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*/ |
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public function getDataAs( $final, $chart_id, $type ) { |
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return $this->_getDataAs( $chart_id, $type ); |
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} |
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|
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/** |
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* Extracts the data for a chart and prepares it for the given type. |
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* |
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* @access public |
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* @param int $chart_id The chart id. |
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* @param string $type The exported type. |
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*/ |
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public function _getDataAs( $chart_id, $type ) { |
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$final = null; |
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$success = false; |
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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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if ( $success ) { |
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$settings = get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true ); |
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$rows = array(); |
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$series = get_post_meta( $chart_id, Visualizer_Plugin::CF_SERIES, true ); |
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$data = self::get_chart_data( $chart, $type, false ); |
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if ( ! empty( $series ) ) { |
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$row = array(); |
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foreach ( $series as $array ) { |
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$row[] = $array['label']; |
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} |
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$rows[] = $row; |
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$row = array(); |
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foreach ( $series as $array ) { |
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$row[] = $array['type']; |
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} |
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$rows[] = $row; |
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} |
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if ( ! empty( $data ) ) { |
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foreach ( $data as $array ) { |
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// ignore strings |
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if ( ! is_array( $array ) ) { |
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continue; |
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} |
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// if this is an array of arrays... |
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if ( is_array( $array[0] ) ) { |
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foreach ( $array as $arr ) { |
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$rows[] = $arr; |
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} |
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} else { |
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// just an array |
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$rows[] = $array; |
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} |
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} |
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} |
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|
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$title = 'visualizer#' . $chart_id; |
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if ( ! empty( $settings['title'] ) ) { |
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$title = $settings['title']; |
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} |
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// for ChartJS, title is an array. |
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if ( is_array( $title ) && isset( $title['text'] ) ) { |
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$title = $title['text']; |
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} |
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if ( empty( $title ) ) { |
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$title = 'visualizer#' . $chart_id; |
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} |
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|
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$filename = $title; |
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|
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switch ( $type ) { |
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case 'csv': |
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$final = $this->_getCSV( $rows, $filename, false ); |
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break; |
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case 'csv-display': |
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$final = $this->_getCSV( $rows, $filename, true ); |
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break; |
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case 'xls': |
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$final = $this->_getExcel( $rows, $filename ); |
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break; |
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case 'print': |
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$final = $this->_getHTML( $rows ); |
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break; |
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case 'image': |
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$final = $this->_getImage( $chart ); |
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break; |
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} |
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} |
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return $final; |
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} |
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|
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/** |
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* Prepares a CSV. |
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* |
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* @access private |
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* @param array $rows The array of data. |
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* @param string $filename The name of the file to use. |
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* @param bool $enclose Enclose strings that have commas in them in double quotes. |
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*/ |
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private function _getCSV( $rows, $filename, $enclose ) { |
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$filename .= '.csv'; |
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|
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$bom = chr( 0xEF ) . chr( 0xBB ) . chr( 0xBF ); |
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$fp = tmpfile(); |
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if ( ! apply_filters( 'vizualizer_export_include_series_type', true ) ) { |
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unset( $rows[1] ); |
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$rows = array_values( $rows ); |
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} |
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// support for MS Excel |
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fprintf( $fp, $bom ); |
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foreach ( $rows as $row ) { |
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fputcsv( $fp, $row ); |
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} |
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rewind( $fp ); |
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$csv = ''; |
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// phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.FoundInWhileCondition |
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while ( ( $array = fgetcsv( $fp ) ) !== false ) { |
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if ( strlen( $csv ) > 0 ) { |
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$csv .= PHP_EOL; |
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} |
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// if enclosure is required, check every item of this line |
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// if a comma exists in the item, add enclosure. |
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if ( $enclose ) { |
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$temp_array = array(); |
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foreach ( $array as $item ) { |
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if ( strpos( $item, ',' ) !== false ) { |
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$item = VISUALIZER_CSV_ENCLOSURE . $item . VISUALIZER_CSV_ENCLOSURE; |
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} |
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$temp_array[] = $item; |
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} |
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$array = $temp_array; |
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} |
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$csv .= implode( ',', $array ); |
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} |
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fclose( $fp ); |
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|
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return array( |
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'csv' => $csv, |
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'name' => $filename, |
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'string' => str_replace( $bom, '', $csv ), |
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); |
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} |
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|
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/** |
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* Prepares an Excel file. |
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* |
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* @access private |
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* @param array $rows The array of data. |
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* @param string $filename The name of the file to use. |
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*/ |
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private function _getExcel( $rows, $filename ) { |
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// PHPExcel did not like sheet names longer than 31 characters and we will assume the same with PhpSpreadsheet |
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$chart = substr( $filename, 0, 30 ); |
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$filename .= '.xlsx'; |
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if ( ! apply_filters( 'vizualizer_export_include_series_type', true ) ) { |
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unset( $rows[1] ); |
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$rows = array_values( $rows ); |
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$rows = array_map( |
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function( $r ) { |
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return array_map( 'strval', $r ); |
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}, |
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$rows |
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); |
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} |
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$vendor_file = VISUALIZER_ABSPATH . '/vendor/autoload.php'; |
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if ( is_readable( $vendor_file ) ) { |
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include_once( $vendor_file ); |
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} |
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$xlsData = ''; |
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if ( class_exists( 'PhpOffice\PhpSpreadsheet\Spreadsheet' ) ) { |
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$doc = new PhpOffice\PhpSpreadsheet\Spreadsheet(); |
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$doc->getActiveSheet()->fromArray( $rows, null, 'A1' ); |
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$doc->getActiveSheet()->setTitle( sanitize_title( $chart ) ); |
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$doc = apply_filters( 'visualizer_excel_doc', $doc ); |
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$writer = PhpOffice\PhpSpreadsheet\IOFactory::createWriter( $doc, 'Xlsx' ); |
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ob_start(); |
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$writer->save( 'php://output' ); |
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$xlsData = ob_get_contents(); |
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ob_end_clean(); |
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} else { |
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do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, 'Class PhpOffice\PhpSpreadsheet\Spreadsheet does not exist!', 'error', __FILE__, __LINE__ ); |
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error_log( 'Class PhpOffice\PhpSpreadsheet\Spreadsheet does not exist!' ); |
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} |
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return array( |
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'csv' => 'data:application/vnd.ms-excel;base64,' . base64_encode( $xlsData ), |
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'name' => $filename, |
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'raw' => base64_encode( $xlsData ), |
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); |
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} |
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|
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/** |
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* Prepares an HTML table. |
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* |
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* @access private |
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* @param array $rows The array of data. |
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*/ |
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private function _getHTML( $rows ) { |
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$css = ' |
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table.visualizer-print { |
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border-collapse: collapse; |
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} |
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table.visualizer-print, table.visualizer-print th, table.visualizer-print td { |
| 370 |
border: 1px solid #000; |
| 371 |
} |
| 372 |
'; |
| 373 |
$html = ''; |
| 374 |
$html .= ' |
| 375 |
<html> |
| 376 |
<head> |
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<style> |
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' . apply_filters( 'visualizer_print_css', $css ) . ' |
| 379 |
</style> |
| 380 |
</head> |
| 381 |
<body>'; |
| 382 |
|
| 383 |
$table = '<table class="visualizer-print">'; |
| 384 |
$index = 0; |
| 385 |
foreach ( $rows as $row ) { |
| 386 |
// skip the data type row. |
| 387 |
if ( 1 === $index ) { |
| 388 |
$index++; |
| 389 |
continue; |
| 390 |
} |
| 391 |
|
| 392 |
$table .= '<tr>'; |
| 393 |
foreach ( $row as $col ) { |
| 394 |
if ( $index === 0 ) { |
| 395 |
$table .= '<th>' . $col . '</th>'; |
| 396 |
} else { |
| 397 |
$table .= '<td>' . $col . '</td>'; |
| 398 |
} |
| 399 |
} |
| 400 |
$table .= '</tr>'; |
| 401 |
$index++; |
| 402 |
} |
| 403 |
$table .= '</table>'; |
| 404 |
|
| 405 |
$html .= apply_filters( 'visualizer_print_table', $table ) . ' |
| 406 |
</body> |
| 407 |
</html>'; |
| 408 |
return array( |
| 409 |
'csv' => $html, |
| 410 |
); |
| 411 |
} |
| 412 |
|
| 413 |
/** |
| 414 |
* Disable revisions temporarily for visualizer post type. |
| 415 |
*/ |
| 416 |
protected final function disableRevisionsTemporarily() { |
| 417 |
add_filter( |
| 418 |
'wp_revisions_to_keep', function( $num, $post ) { |
| 419 |
if ( $post->post_type === Visualizer_Plugin::CPT_VISUALIZER ) { |
| 420 |
return 0; |
| 421 |
} |
| 422 |
return $num; |
| 423 |
}, 10, 2 |
| 424 |
); |
| 425 |
} |
| 426 |
|
| 427 |
/** |
| 428 |
* Undo revisions for the chart, and if necessary, restore the earliest version. |
| 429 |
* |
| 430 |
* @return bool If any revisions were found. |
| 431 |
*/ |
| 432 |
public final function undoRevisions( $chart_id, $restore = false ) { |
| 433 |
do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'undoRevisions for %d with%s restore', $chart_id, ( $restore ? '' : 'out' ) ), 'debug', __FILE__, __LINE__ ); |
| 434 |
if ( get_post_type( $chart_id ) !== Visualizer_Plugin::CPT_VISUALIZER ) { |
| 435 |
return false; |
| 436 |
} |
| 437 |
$revisions = wp_get_post_revisions( $chart_id, array( 'order' => 'ASC' ) ); |
| 438 |
if ( count( $revisions ) > 1 ) { |
| 439 |
$revision_ids = array_keys( $revisions ); |
| 440 |
|
| 441 |
do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'found %d revisions = %s', count( $revisions ), print_r( $revision_ids, true ) ), 'debug', __FILE__, __LINE__ ); |
| 442 |
|
| 443 |
// when we restore, a new revision is likely to be created. so, let's disable revisions for the time being. |
| 444 |
$this->disableRevisionsTemporarily(); |
| 445 |
|
| 446 |
if ( $restore ) { |
| 447 |
// restore to the oldest one i.e. the first one. |
| 448 |
wp_restore_post_revision( array_shift( $revision_ids ) ); |
| 449 |
} |
| 450 |
|
| 451 |
// delete all revisions. |
| 452 |
foreach ( $revision_ids as $id ) { |
| 453 |
wp_delete_post_revision( $id ); |
| 454 |
} |
| 455 |
|
| 456 |
return true; |
| 457 |
} |
| 458 |
return false; |
| 459 |
} |
| 460 |
|
| 461 |
/** |
| 462 |
* If existing revisions exist for the chart, restore the earliest version and then create a new revision to initiate editing. |
| 463 |
*/ |
| 464 |
public final function handleExistingRevisions( $chart_id, $chart ) { |
| 465 |
|
| 466 |
do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'handleExistingRevisions for %d', $chart_id ), 'debug', __FILE__, __LINE__ ); |
| 467 |
if ( get_post_type( $chart_id ) !== Visualizer_Plugin::CPT_VISUALIZER ) { |
| 468 |
return $chart_id; |
| 469 |
} |
| 470 |
// undo revisions. |
| 471 |
$revisions_found = $this->undoRevisions( $chart_id, true ); |
| 472 |
|
| 473 |
// create revision for the edit action. |
| 474 |
wp_save_post_revision( $chart_id ); |
| 475 |
|
| 476 |
if ( $revisions_found ) { |
| 477 |
// fetch chart data again in case it was updated by an earlier revision. |
| 478 |
$chart = get_post( $chart_id ); |
| 479 |
} |
| 480 |
return $chart; |
| 481 |
} |
| 482 |
|
| 483 |
/** |
| 484 |
* Returns the language of the locale. |
| 485 |
* |
| 486 |
* @access protected |
| 487 |
*/ |
| 488 |
protected function get_language() { |
| 489 |
$locale = get_locale(); |
| 490 |
if ( empty( $locale ) ) { |
| 491 |
return ''; |
| 492 |
} |
| 493 |
$array = explode( '_', $locale ); |
| 494 |
if ( count( $array ) < 2 ) { |
| 495 |
return ''; |
| 496 |
} |
| 497 |
return reset( $array ); |
| 498 |
} |
| 499 |
|
| 500 |
/** |
| 501 |
* Gets/creates the JS where user-specific customizations can be/have been added. |
| 502 |
*/ |
| 503 |
protected function get_user_customization_js() { |
| 504 |
// use this as the JS file in case we are not able to create the file in uploads. |
| 505 |
$default = VISUALIZER_ABSURL . 'js/customization.js'; |
| 506 |
|
| 507 |
$uploads = wp_get_upload_dir(); |
| 508 |
$specific = $uploads['baseurl'] . '/visualizer/customization.js'; |
| 509 |
|
| 510 |
// for testing on user sites (before we send them the correctly customized file). |
| 511 |
if ( VISUALIZER_TEST_JS_CUSTOMIZATION ) { |
| 512 |
return $default; |
| 513 |
} |
| 514 |
|
| 515 |
require_once( ABSPATH . 'wp-admin/includes/file.php' ); |
| 516 |
WP_Filesystem(); |
| 517 |
global $wp_filesystem; |
| 518 |
|
| 519 |
$multisite_arg = '/'; |
| 520 |
if ( is_multisite() && ! is_main_site() ) { |
| 521 |
$multisite_arg = '/sites/' . get_current_blog_id() . '/'; |
| 522 |
} |
| 523 |
|
| 524 |
$dir = $wp_filesystem->wp_content_dir() . 'uploads' . $multisite_arg . 'visualizer'; |
| 525 |
$file = $wp_filesystem->wp_content_dir() . 'uploads' . $multisite_arg . 'visualizer/customization.js'; |
| 526 |
|
| 527 |
if ( $wp_filesystem->is_readable( $file ) ) { |
| 528 |
return $specific; |
| 529 |
} |
| 530 |
|
| 531 |
if ( $wp_filesystem->exists( $file ) && ! $wp_filesystem->is_readable( $file ) ) { |
| 532 |
do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Unable to read file %s', $file ), 'error', __FILE__, __LINE__ ); |
| 533 |
return $default; |
| 534 |
} |
| 535 |
|
| 536 |
if ( ! $wp_filesystem->exists( $dir ) ) { |
| 537 |
// phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.Found |
| 538 |
if ( ( $done = $wp_filesystem->mkdir( $dir ) ) === false ) { |
| 539 |
do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Unable to create directory %s', $dir ), 'error', __FILE__, __LINE__ ); |
| 540 |
return $default; |
| 541 |
} |
| 542 |
} |
| 543 |
|
| 544 |
// if file does not exist, copy. |
| 545 |
if ( ! $wp_filesystem->exists( $file ) ) { |
| 546 |
$src = str_replace( ABSPATH, $wp_filesystem->abspath(), VISUALIZER_ABSPATH . '/js/customization.js' ); |
| 547 |
// phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.Found |
| 548 |
if ( ( $done = $wp_filesystem->copy( $src, $file ) ) === false ) { |
| 549 |
do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Unable to copy file %s to %s', $src, $file ), 'error', __FILE__, __LINE__ ); |
| 550 |
return $default; |
| 551 |
} |
| 552 |
} |
| 553 |
|
| 554 |
return $specific; |
| 555 |
} |
| 556 |
|
| 557 |
/** |
| 558 |
* Load the class for the given chart's chart type so that its assets can be loaded. |
| 559 |
*/ |
| 560 |
protected function load_chart_type( $chart_id ) { |
| 561 |
$name = $this->load_chart_class_name( $chart_id ); |
| 562 |
$class = null; |
| 563 |
if ( class_exists( $name ) || true === apply_filters( 'visualizer_load_chart', false, $name ) ) { |
| 564 |
if ( 'Visualizer_Render_Sidebar_Type_DataTable_DataTable' === $name ) { |
| 565 |
$name = 'Visualizer_Render_Sidebar_Type_DataTable_Tabular'; |
| 566 |
} |
| 567 |
$class = new $name; |
| 568 |
} |
| 569 |
|
| 570 |
if ( is_null( $class ) && Visualizer_Module::is_pro() ) { |
| 571 |
// lets see if this type exists in pro. New Lite(3.1.0+) & old Pro(1.8.0-). |
| 572 |
$type = get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, true ); |
| 573 |
$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 ) ) ); |
| 574 |
} |
| 575 |
|
| 576 |
return is_null( $class ) ? null : $class->getLibrary(); |
| 577 |
} |
| 578 |
|
| 579 |
/** |
| 580 |
* Returns the class name for the given chart's chart type. |
| 581 |
*/ |
| 582 |
protected function load_chart_class_name( $chart_id ) { |
| 583 |
$type = get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, true ); |
| 584 |
$lib = get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_LIBRARY, true ); |
| 585 |
|
| 586 |
// backward compatibility. |
| 587 |
if ( empty( $lib ) ) { |
| 588 |
$lib = 'GoogleCharts'; |
| 589 |
if ( 'dataTable' === $type ) { |
| 590 |
$lib = 'DataTable'; |
| 591 |
} |
| 592 |
} |
| 593 |
$name = 'Visualizer_Render_Sidebar_Type_' . $lib . '_' . ucwords( $type ); |
| 594 |
return $name; |
| 595 |
} |
| 596 |
|
| 597 |
/** |
| 598 |
* Generates the inline CSS to apply to the chart and adds these classes to the settings. |
| 599 |
* |
| 600 |
* @access public |
| 601 |
* @param int $id The id of the chart. |
| 602 |
* @param array $settings The settings of the chart. |
| 603 |
*/ |
| 604 |
protected function get_inline_custom_css( $id, $settings ) { |
| 605 |
$css = ''; |
| 606 |
|
| 607 |
$arguments = array( '', $settings ); |
| 608 |
if ( ! isset( $settings['customcss'] ) ) { |
| 609 |
return $arguments; |
| 610 |
} |
| 611 |
|
| 612 |
$classes = array(); |
| 613 |
$css = '<style type="text/css" name="visualizer-custom-css" id="customcss-' . $id . '">'; |
| 614 |
foreach ( $settings['customcss'] as $name => $element ) { |
| 615 |
$attributes = array(); |
| 616 |
foreach ( $element as $property => $value ) { |
| 617 |
$attributes[] = $this->handle_css_property( $property, $value ); |
| 618 |
} |
| 619 |
$class_name = $id . $name; |
| 620 |
$properties = implode( ' !important; ', array_filter( $attributes ) ); |
| 621 |
if ( ! empty( $properties ) ) { |
| 622 |
$css .= '.' . $class_name . ' {' . $properties . ' !important;}'; |
| 623 |
$classes[ $name ] = $class_name; |
| 624 |
} |
| 625 |
} |
| 626 |
$css .= '</style>'; |
| 627 |
|
| 628 |
$settings['cssClassNames'] = $classes; |
| 629 |
|
| 630 |
$arguments = array( $css, $settings ); |
| 631 |
apply_filters_ref_array( 'visualizer_inline_css', array( &$arguments ) ); |
| 632 |
|
| 633 |
return $arguments; |
| 634 |
} |
| 635 |
|
| 636 |
/** |
| 637 |
* Handles CSS properties that might need special syntax. |
| 638 |
* |
| 639 |
* @access private |
| 640 |
* @param string $property The name of the css property. |
| 641 |
* @param string $value The value of the css property. |
| 642 |
*/ |
| 643 |
private function handle_css_property( $property, $value ) { |
| 644 |
if ( empty( $property ) || empty( $value ) ) { |
| 645 |
return ''; |
| 646 |
} |
| 647 |
|
| 648 |
switch ( $property ) { |
| 649 |
case 'transform': |
| 650 |
$value = 'rotate(' . $value . 'deg)'; |
| 651 |
break; |
| 652 |
} |
| 653 |
return $property . ': ' . $value; |
| 654 |
} |
| 655 |
|
| 656 |
/** |
| 657 |
* Determines if charts have been created of the particular chart type. |
| 658 |
*/ |
| 659 |
protected static function hasChartType( $type ) { |
| 660 |
$args = array( |
| 661 |
'post_type' => Visualizer_Plugin::CPT_VISUALIZER, |
| 662 |
'fields' => 'ids', |
| 663 |
'post_status' => 'publish', |
| 664 |
'meta_query' => array( |
| 665 |
array( |
| 666 |
'key' => Visualizer_Plugin::CF_CHART_TYPE, |
| 667 |
'value' => $type, |
| 668 |
), |
| 669 |
), |
| 670 |
); |
| 671 |
|
| 672 |
$q = new WP_Query( $args ); |
| 673 |
return $q->found_posts > 0; |
| 674 |
} |
| 675 |
|
| 676 |
/** |
| 677 |
* Determines how many charts have been created. |
| 678 |
*/ |
| 679 |
protected static function numberOfCharts() { |
| 680 |
$args = array( |
| 681 |
'post_type' => Visualizer_Plugin::CPT_VISUALIZER, |
| 682 |
'fields' => 'ids', |
| 683 |
'post_status' => 'publish', |
| 684 |
'posts_per_page' => 300, |
| 685 |
); |
| 686 |
|
| 687 |
$q = new WP_Query( $args ); |
| 688 |
return $q->found_posts; |
| 689 |
} |
| 690 |
|
| 691 |
/** |
| 692 |
* Checks if the PRO version is active. |
| 693 |
* |
| 694 |
* @since 3.3.0 |
| 695 |
*/ |
| 696 |
public static function is_pro() { |
| 697 |
// versions of pro before 1.9.0 will use the constant VISUALIZER_PRO |
| 698 |
// versions of pro 1.9.0 onwards will use the filter |
| 699 |
return apply_filters( 'visualizer_is_pro', VISUALIZER_PRO ); |
| 700 |
} |
| 701 |
|
| 702 |
/** |
| 703 |
* Checks if the PRO version is older than a particular version. |
| 704 |
* |
| 705 |
* @since 3.3.0 |
| 706 |
*/ |
| 707 |
public static function is_pro_older_than( $version ) { |
| 708 |
return version_compare( VISUALIZER_PRO_VERSION, $version, '<' ); |
| 709 |
} |
| 710 |
|
| 711 |
/** |
| 712 |
* Should we show some specific feature on the basis of the version? |
| 713 |
* |
| 714 |
* @since 3.4.0 |
| 715 |
*/ |
| 716 |
public static function can_show_feature( $feature ) { |
| 717 |
switch ( $feature ) { |
| 718 |
case 'simple-editor': |
| 719 |
// if user has pro but an older version, then don't load the simple editor functionality |
| 720 |
// as the select box will not behave as expected because the pro editor's functionality will supercede. |
| 721 |
return ! Visualizer_Module::is_pro() || ! Visualizer_Module::is_pro_older_than( '1.9.2' ); |
| 722 |
} |
| 723 |
return false; |
| 724 |
} |
| 725 |
|
| 726 |
/** |
| 727 |
* Gets the features for the provided license type. |
| 728 |
*/ |
| 729 |
public static final function get_features_for_license( $plan ) { |
| 730 |
switch ( $plan ) { |
| 731 |
case 1: |
| 732 |
return array( 'import-wp', 'db-query' ); |
| 733 |
case 2: |
| 734 |
return array( 'schedule-chart', 'chart-permissions' ); |
| 735 |
} |
| 736 |
} |
| 737 |
|
| 738 |
/** |
| 739 |
* Gets the chart content after common manipulations. |
| 740 |
*/ |
| 741 |
public static function get_chart_data( $chart, $type, $run_filter = true ) { |
| 742 |
// change HTML entities |
| 743 |
$data = unserialize( html_entity_decode( $chart->post_content ) ); |
| 744 |
$altered = array(); |
| 745 |
foreach ( $data as $index => $array ) { |
| 746 |
if ( ! is_array( $index ) && is_array( $array ) ) { |
| 747 |
foreach ( $array as &$datum ) { |
| 748 |
if ( is_string( $datum ) ) { |
| 749 |
$datum = stripslashes( $datum ); |
| 750 |
} |
| 751 |
} |
| 752 |
$altered[ $index ] = $array; |
| 753 |
} |
| 754 |
} |
| 755 |
// if something goes wrong and the end result is empty, be safe and use the original data |
| 756 |
if ( empty( $altered ) ) { |
| 757 |
$altered = $data; |
| 758 |
} |
| 759 |
if ( $run_filter ) { |
| 760 |
return apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, $altered, $chart->ID, $type ); |
| 761 |
} |
| 762 |
return $altered; |
| 763 |
} |
| 764 |
|
| 765 |
/** |
| 766 |
* Get chart image. |
| 767 |
* |
| 768 |
* @param object $chart Chart data. |
| 769 |
* @return string |
| 770 |
*/ |
| 771 |
public function _getImage( $chart = null ) { |
| 772 |
$image = ''; |
| 773 |
if ( $chart ) { |
| 774 |
$chart_image = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_IMAGE, true ); |
| 775 |
if ( ! empty( $chart_image ) ) { |
| 776 |
$image = wp_get_attachment_image( $chart_image, 'full' ); |
| 777 |
} |
| 778 |
} |
| 779 |
return array( |
| 780 |
'csv' => $image, |
| 781 |
); |
| 782 |
} |
| 783 |
} |
| 784 |
|
