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<?php |
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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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* The module for all AMP stuff. |
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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_AMP 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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* 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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* |
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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 $plugin ) { |
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$this->_addFilter( 'amp_post_template_data', 'addToHeader' ); |
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} |
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|
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/** |
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* Add the iframe component to the header. |
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*/ |
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public function addToHeader( $data ) { |
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$data['amp_component_scripts'] = array_merge( |
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$data['amp_component_scripts'], |
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array( |
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'amp-iframe' => 'https://cdn.ampproject.org/v0/amp-iframe-latest.js', |
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) |
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); |
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return $data; |
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} |
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|
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/** |
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* Is this an AMP request? |
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*/ |
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public static function is_amp() { |
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return function_exists( 'is_amp_endpoint' ) && is_amp_endpoint(); |
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} |
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|
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/** |
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* Loads the alternate view of the chart. |
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*/ |
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public function get_chart( $chart, $data, $series, $settings ) { |
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// let's check if there is a view parameter in the GET request. |
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$view = isset( $_GET['view'] ) ? $_GET['view'] : null; |
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|
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if ( ! empty( $view ) ) { |
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// attachmend id? |
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if ( is_numeric( $view ) ) { |
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$view = wp_get_attachment_url( $view ); |
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} |
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|
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$attributes = wp_check_filetype( $view ); |
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if ( $attributes && false !== strpos( $attributes['type'], 'image/' ) ) { |
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// absolute url or relative? |
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if ( 0 !== strpos( $view, 'http' ) ) { |
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$view = site_url( $view ); |
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} |
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$view = '<img src="' . $view . '">'; |
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} |
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|
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if ( ! empty( $view ) ) { |
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return $view; |
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} |
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} |
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|
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$view = apply_filters( 'visualizer_amp_view', null, $chart, $data, $series, $settings ); |
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if ( ! is_null( $view ) ) { |
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return $view; |
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} |
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$output = $this->_getDataAs( $chart->ID, 'image' ); |
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if ( empty( $output['csv'] ) ) { |
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$output = $this->_getDataAs( $chart->ID, 'print' ); |
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} |
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return $output['csv']; |
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} |
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} |
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|
