| 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 |
* Frontend module class. |
| 24 |
* |
| 25 |
* @category Visualizer |
| 26 |
* @package Module |
| 27 |
* |
| 28 |
* @since 1.0.0 |
| 29 |
*/ |
| 30 |
class Visualizer_Module_Frontend extends Visualizer_Module { |
| 31 |
|
| 32 |
const NAME = __CLASS__; |
| 33 |
|
| 34 |
/** |
| 35 |
* The array of charts to render. |
| 36 |
* |
| 37 |
* @since 1.0.0 |
| 38 |
* |
| 39 |
* @access private |
| 40 |
* @var array |
| 41 |
*/ |
| 42 |
private $_charts = array(); |
| 43 |
|
| 44 |
/** |
| 45 |
* Constructor. |
| 46 |
* |
| 47 |
* @since 1.0.0 |
| 48 |
* @uses add_filter() To add "do_shortcode" hook for "widget_text" and "term_description" filters. |
| 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->_addAction( 'wp_enqueue_scripts', 'enqueueScripts' ); |
| 57 |
$this->_addAction( 'visualizer_enqueue_scripts', 'enqueueScripts' ); |
| 58 |
$this->_addFilter( 'visualizer_get_language', 'getLanguage' ); |
| 59 |
$this->_addShortcode( 'visualizer', 'renderChart' ); |
| 60 |
|
| 61 |
// add do_shortocde hook for widget_text filter |
| 62 |
if ( ! has_filter( 'widget_text', 'do_shortcode' ) ) { |
| 63 |
add_filter( 'widget_text', 'do_shortcode' ); |
| 64 |
} |
| 65 |
|
| 66 |
// add do_shortcode hook for term_description filter |
| 67 |
if ( ! has_filter( 'term_description', 'do_shortcode' ) ) { |
| 68 |
add_filter( 'term_description', 'do_shortcode' ); |
| 69 |
} |
| 70 |
|
| 71 |
add_action( 'rest_api_init', array( $this, 'endpoint_register' ) ); |
| 72 |
} |
| 73 |
|
| 74 |
/** |
| 75 |
* Returns the language/locale. |
| 76 |
*/ |
| 77 |
function getLanguage( $dummy, $only_language ) { |
| 78 |
return $this->get_language(); |
| 79 |
} |
| 80 |
|
| 81 |
|
| 82 |
/** |
| 83 |
* Registers the endpoints |
| 84 |
*/ |
| 85 |
function endpoint_register() { |
| 86 |
register_rest_route( |
| 87 |
'visualizer/v' . VISUALIZER_REST_VERSION, |
| 88 |
'/action/(?P<chart>\d+)/(?P<type>.+)/', |
| 89 |
array( |
| 90 |
'methods' => array( 'GET', 'POST' ), |
| 91 |
'callback' => array( $this, 'perform_action' ), |
| 92 |
) |
| 93 |
); |
| 94 |
} |
| 95 |
|
| 96 |
/** |
| 97 |
* All possible actions and their labels |
| 98 |
* |
| 99 |
* @access private |
| 100 |
*/ |
| 101 |
private function get_actions() { |
| 102 |
return apply_filters( |
| 103 |
'visualizer_action_buttons', |
| 104 |
array( |
| 105 |
'print' => __( 'Print', 'visualizer' ), |
| 106 |
'csv' => __( 'CSV', 'visualizer' ), |
| 107 |
'xls' => __( 'Excel', 'visualizer' ), |
| 108 |
'copy' => __( 'Copy', 'visualizer' ), |
| 109 |
) |
| 110 |
); |
| 111 |
} |
| 112 |
|
| 113 |
/** |
| 114 |
* The print button |
| 115 |
* |
| 116 |
* @since 1.0.0 |
| 117 |
* |
| 118 |
* @access public |
| 119 |
*/ |
| 120 |
public function perform_action( WP_REST_Request $params ) { |
| 121 |
$chart_id = filter_var( sanitize_text_field( $params['chart'] ), FILTER_VALIDATE_INT ); |
| 122 |
$type = sanitize_text_field( $params['type'] ); |
| 123 |
$data = null; |
| 124 |
|
| 125 |
if ( ! $chart_id ) { |
| 126 |
return new WP_REST_Response( array( 'error' => new WP_Error( __( 'Invalid chart ID', 'visualizer' ) ) ) ); |
| 127 |
} |
| 128 |
|
| 129 |
if ( ! $type ) { |
| 130 |
return new WP_REST_Response( array( 'error' => new WP_Error( __( 'Invalid action', 'visualizer' ) ) ) ); |
| 131 |
} |
| 132 |
|
| 133 |
switch ( $type ) { |
| 134 |
case 'print': |
| 135 |
$data = $this->_getDataAs( $chart_id, 'print' ); |
| 136 |
break; |
| 137 |
case 'csv': |
| 138 |
$data = $this->_getDataAs( $chart_id, 'csv' ); |
| 139 |
break; |
| 140 |
case 'xls': |
| 141 |
$data = $this->_getDataAs( $chart_id, 'xls' ); |
| 142 |
break; |
| 143 |
default: |
| 144 |
$data = apply_filters( 'visualizer_action_data', $data, $chart_id, $type, $params, $this ); |
| 145 |
break; |
| 146 |
} |
| 147 |
|
| 148 |
return new WP_REST_Response( array( 'data' => $data ) ); |
| 149 |
} |
| 150 |
|
| 151 |
/** |
| 152 |
* Registers scripts for charts rendering. |
| 153 |
* |
| 154 |
* @since 1.0.0 |
| 155 |
* @uses wp_register_script To register javascript file. |
| 156 |
* |
| 157 |
* @access public |
| 158 |
*/ |
| 159 |
public function enqueueScripts() { |
| 160 |
wp_register_script( 'visualizer-customization', $this->get_user_customization_js(), array(), null, true ); |
| 161 |
wp_register_script( 'visualizer-clipboardjs', VISUALIZER_ABSURL . 'js/lib/clipboardjs/clipboard.min.js', array( 'jquery' ), Visualizer_Plugin::VERSION, true ); |
| 162 |
wp_register_style( 'visualizer-front', VISUALIZER_ABSURL . 'css/front.css', array(), Visualizer_Plugin::VERSION ); |
| 163 |
do_action( 'visualizer_pro_frontend_load_resources' ); |
| 164 |
} |
| 165 |
|
| 166 |
/** |
| 167 |
* Returns placeholder for chart according to visualizer shortcode attributes. |
| 168 |
* |
| 169 |
* @since 1.0.0 |
| 170 |
* @uses shortcode_atts() To parse income shortocdes. |
| 171 |
* @uses apply_filters() To filter chart's data and series arrays. |
| 172 |
* @uses get_post_meta() To fetch chart's meta information. |
| 173 |
* @uses wp_enqueue_script() To enqueue charts render script. |
| 174 |
* @uses wp_localize_script() To add chart data to the page inline script. |
| 175 |
* |
| 176 |
* @access public |
| 177 |
* @param array $atts The array of shortcode attributes. |
| 178 |
*/ |
| 179 |
public function renderChart( $atts ) { |
| 180 |
global $wp_version; |
| 181 |
$atts = shortcode_atts( |
| 182 |
array( |
| 183 |
'id' => false, // chart id |
| 184 |
'class' => false, // chart class |
| 185 |
'series' => false, // series filter hook |
| 186 |
'data' => false, // data filter hook |
| 187 |
'settings' => false, // data filter hook |
| 188 |
), |
| 189 |
$atts |
| 190 |
); |
| 191 |
|
| 192 |
// if empty id or chart does not exists, then return empty string |
| 193 |
if ( ! $atts['id'] || ! ( $chart = get_post( $atts['id'] ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) { |
| 194 |
return ''; |
| 195 |
} |
| 196 |
|
| 197 |
if ( ! apply_filters( 'visualizer_pro_show_chart', true, $atts['id'] ) ) { |
| 198 |
return ''; |
| 199 |
} |
| 200 |
|
| 201 |
// in case revisions exist. |
| 202 |
if ( true === ( $revisions = $this->undoRevisions( $chart->ID, true ) ) ) { |
| 203 |
$chart = get_post( $chart->ID ); |
| 204 |
} |
| 205 |
|
| 206 |
$id = 'visualizer-' . $atts['id']; |
| 207 |
$defaultClass = 'visualizer-front'; |
| 208 |
$class = apply_filters( Visualizer_Plugin::FILTER_CHART_WRAPPER_CLASS, $atts['class'], $atts['id'] ); |
| 209 |
$class = $defaultClass . ' ' . $class . ' ' . 'visualizer-front-' . $atts['id']; |
| 210 |
$class = ! empty( $class ) ? ' class="' . trim( $class ) . '"' : ''; |
| 211 |
|
| 212 |
$type = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true ); |
| 213 |
|
| 214 |
$chart = apply_filters( 'visualizer_schedule_refresh_chart', $chart, $chart->ID, false ); |
| 215 |
|
| 216 |
// fetch and update settings |
| 217 |
$settings = get_post_meta( $chart->ID, Visualizer_Plugin::CF_SETTINGS, true ); |
| 218 |
if ( empty( $settings['height'] ) ) { |
| 219 |
$settings['height'] = '400'; |
| 220 |
} |
| 221 |
|
| 222 |
// handle series filter hooks |
| 223 |
$series = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SERIES, get_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, true ), $chart->ID, $type ); |
| 224 |
if ( ! empty( $atts['series'] ) ) { |
| 225 |
$series = apply_filters( $atts['series'], $series, $chart->ID, $type ); |
| 226 |
} |
| 227 |
// handle settings filter hooks |
| 228 |
$settings = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SETTINGS, $settings, $chart->ID, $type ); |
| 229 |
if ( ! empty( $atts['settings'] ) ) { |
| 230 |
$settings = apply_filters( $atts['settings'], $settings, $chart->ID, $type ); |
| 231 |
} |
| 232 |
|
| 233 |
// handle data filter hooks |
| 234 |
$data = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, unserialize( html_entity_decode( $chart->post_content ) ), $chart->ID, $type ); |
| 235 |
if ( ! empty( $atts['data'] ) ) { |
| 236 |
$data = apply_filters( $atts['data'], $data, $chart->ID, $type ); |
| 237 |
} |
| 238 |
|
| 239 |
$css = ''; |
| 240 |
$arguments = $this->get_inline_custom_css( $id, $settings ); |
| 241 |
if ( ! empty( $arguments ) ) { |
| 242 |
$css = $arguments[0]; |
| 243 |
$settings = $arguments[1]; |
| 244 |
} |
| 245 |
|
| 246 |
$library = $this->load_chart_type( $chart->ID ); |
| 247 |
|
| 248 |
// add chart to the array |
| 249 |
$this->_charts[ $id ] = array( |
| 250 |
'type' => $type, |
| 251 |
'series' => $series, |
| 252 |
'settings' => $settings, |
| 253 |
'data' => $data, |
| 254 |
'library' => $library, |
| 255 |
); |
| 256 |
|
| 257 |
wp_register_script( |
| 258 |
"visualizer-render-$library", |
| 259 |
VISUALIZER_ABSURL . 'js/render-facade.js', |
| 260 |
apply_filters( 'visualizer_assets_render', array( 'jquery', 'visualizer-customization' ), true ), |
| 261 |
Visualizer_Plugin::VERSION, |
| 262 |
true |
| 263 |
); |
| 264 |
|
| 265 |
wp_enqueue_script( "visualizer-render-$library" ); |
| 266 |
wp_localize_script( |
| 267 |
"visualizer-render-$library", |
| 268 |
'visualizer', |
| 269 |
array( |
| 270 |
'charts' => $this->_charts, |
| 271 |
'language' => $this->get_language(), |
| 272 |
'map_api_key' => get_option( 'visualizer-map-api-key' ), |
| 273 |
'rest_url' => version_compare( $wp_version, '4.7.0', '>=' ) ? rest_url( 'visualizer/v' . VISUALIZER_REST_VERSION . '/action/#id#/#type#/' ) : '', |
| 274 |
'i10n' => array( |
| 275 |
'copied' => __( 'Copied!', 'visualizer' ), |
| 276 |
), |
| 277 |
'page_type' => 'frontend', |
| 278 |
) |
| 279 |
); |
| 280 |
wp_enqueue_style( 'visualizer-front' ); |
| 281 |
|
| 282 |
$actions_div = ''; |
| 283 |
$actions_visible = apply_filters( 'visualizer_pro_add_actions', isset( $settings['actions'] ) ? $settings['actions'] : array(), $atts['id'] ); |
| 284 |
if ( ! empty( $actions_visible ) ) { |
| 285 |
$actions = $this->get_actions(); |
| 286 |
$actions_div = '<div class="visualizer-actions">'; |
| 287 |
foreach ( $actions_visible as $action_type ) { |
| 288 |
$key = $action_type; |
| 289 |
$mime = ''; |
| 290 |
if ( strpos( $action_type, ';' ) !== false ) { |
| 291 |
$array = explode( ';', $action_type ); |
| 292 |
$key = $array[0]; |
| 293 |
$mime = end( $array ); |
| 294 |
} |
| 295 |
$label = $actions[ $key ]; |
| 296 |
$actions_div .= '<a href="#" class="visualizer-action visualizer-action-' . $key . '" data-visualizer-type="' . $key . '" data-visualizer-chart-id="' . $atts['id'] . '" data-visualizer-mime="' . $mime . '" title="' . $label . '" '; |
| 297 |
|
| 298 |
if ( 'copy' === $key ) { |
| 299 |
$copy = $this->_getDataAs( $atts['id'], 'csv' ); |
| 300 |
$actions_div .= ' data-clipboard-text="' . esc_attr( $copy['csv'] ) . '"'; |
| 301 |
wp_enqueue_script( 'visualizer-clipboardjs' ); |
| 302 |
} |
| 303 |
|
| 304 |
$actions_div .= apply_filters( 'visualizer_action_attributes', '', $key, $atts['id'] ); |
| 305 |
$actions_div .= '>' . $label . '</a> '; |
| 306 |
} |
| 307 |
|
| 308 |
$actions_div .= '</div>'; |
| 309 |
} |
| 310 |
|
| 311 |
$actions_div .= $css; |
| 312 |
|
| 313 |
// return placeholder div |
| 314 |
return $actions_div . '<div id="' . $id . '"' . $class . '></div>'; |
| 315 |
} |
| 316 |
} |
| 317 |
|
