| @@ -1,0 +1,342 @@ | ||
| 1 | +<?php | |
| 2 | +/** | |
| 3 | + * GamiPress Widget Class | |
| 4 | + * | |
| 5 | + * @package GamiPress\Widgets\Widget | |
| 6 | + * @author GamiPress <[email protected]>, Ruben Garcia <[email protected]> | |
| 7 | + * @since 1.0.0 | |
| 8 | + */ | |
| 9 | +// Exit if accessed directly | |
| 10 | +if( !defined( 'ABSPATH' ) ) exit; | |
| 11 | + | |
| 12 | +class GamiPress_Widget extends WP_Widget { | |
| 13 | + | |
| 14 | + /** | |
| 15 | + * Unique identifier for this widget. | |
| 16 | + * | |
| 17 | + * Will also serve as the widget class. | |
| 18 | + * | |
| 19 | + * @since 1.0.0 | |
| 20 | + * | |
| 21 | + * @var string | |
| 22 | + */ | |
| 23 | + protected $widget_slug; | |
| 24 | + | |
| 25 | + /** | |
| 26 | + * Array of default values for widget settings. | |
| 27 | + * | |
| 28 | + * @since 1.0.0 | |
| 29 | + * | |
| 30 | + * @var array | |
| 31 | + */ | |
| 32 | + protected $defaults = array(); | |
| 33 | + | |
| 34 | + /** | |
| 35 | + * Store the instance properties as property. | |
| 36 | + * | |
| 37 | + * @since 1.0.0 | |
| 38 | + * | |
| 39 | + * @var array | |
| 40 | + */ | |
| 41 | + protected $_instance = array(); | |
| 42 | + | |
| 43 | + /** | |
| 44 | + * Array of CMB2 fields args. | |
| 45 | + * | |
| 46 | + * @since 1.0.0 | |
| 47 | + * | |
| 48 | + * @var array | |
| 49 | + */ | |
| 50 | + protected $fields = array(); | |
| 51 | + | |
| 52 | + public function __construct( $widget_slug, $name, $description ) { | |
| 53 | + $this->widget_slug = $widget_slug; | |
| 54 | + | |
| 55 | + parent::__construct( | |
| 56 | + $this->widget_slug, | |
| 57 | + esc_html( $name ), | |
| 58 | + array( | |
| 59 | + 'classname' => $this->widget_slug, | |
| 60 | + 'customize_selective_refresh' => true, | |
| 61 | + 'description' => esc_html( $description ), | |
| 62 | + ) | |
| 63 | + ); | |
| 64 | + | |
| 65 | + } | |
| 66 | + | |
| 67 | + /** | |
| 68 | + * Front-end display of widget. | |
| 69 | + * | |
| 70 | + * @since 1.0.0 | |
| 71 | + * | |
| 72 | + * @param array $args The widget arguments set up when a sidebar is registered. | |
| 73 | + * @param array $instance The widget settings as set by user. | |
| 74 | + */ | |
| 75 | + public function widget( $args, $instance ) { | |
| 76 | + | |
| 77 | + global $gamipress_renderer, $gamipress_current_widget; | |
| 78 | + | |
| 79 | + // Setup renderer | |
| 80 | + $gamipress_renderer = 'widget'; | |
| 81 | + $gamipress_current_widget = $this; | |
| 82 | + | |
| 83 | + $atts = array( | |
| 84 | + 'args' => $args, | |
| 85 | + 'instance' => $instance, | |
| 86 | + ); | |
| 87 | + | |
| 88 | + if( ! isset( $atts['args'] ) ) { | |
| 89 | + $atts['args'] = array(); | |
| 90 | + } | |
| 91 | + | |
| 92 | + // Set up default values for attributes | |
| 93 | + $atts = shortcode_atts( | |
| 94 | + array( | |
| 95 | + // Ensure variables | |
| 96 | + 'instance' => array(), | |
| 97 | + 'before_widget' => '', | |
| 98 | + 'after_widget' => '', | |
| 99 | + 'before_title' => '', | |
| 100 | + 'after_title' => '', | |
| 101 | + ), | |
| 102 | + $args, | |
| 103 | + $this->widget_slug | |
| 104 | + ); | |
| 105 | + | |
| 106 | + $this->setup_fields(); | |
| 107 | + | |
| 108 | + $instance = shortcode_atts( | |
| 109 | + $this->defaults, | |
| 110 | + $instance, | |
| 111 | + $this->widget_slug | |
| 112 | + ); | |
| 113 | + | |
| 114 | + // Let's render the widget | |
| 115 | + $widget = ''; | |
| 116 | + | |
| 117 | + // Before widget hook | |
| 118 | + $widget .= $atts['before_widget']; | |
| 119 | + | |
| 120 | + // Title | |
| 121 | + $widget .= ( $instance['title'] ) ? $atts['before_title'] . esc_html( $instance['title'] ) . $atts['after_title'] : ''; | |
| 122 | + | |
| 123 | + ob_start(); | |
| 124 | + | |
| 125 | + // {$widget_slug}_before | |
| 126 | + do_action( $this->widget_slug . '_before' ); | |
| 127 | + | |
| 128 | + // Widget content | |
| 129 | + $this->get_widget( $args, $instance ); | |
| 130 | + | |
| 131 | + // {$widget_slug}_after | |
| 132 | + do_action( $this->widget_slug . '_after' ); | |
| 133 | + | |
| 134 | + $widget .= ob_get_clean(); | |
| 135 | + | |
| 136 | + // After widget hook | |
| 137 | + $widget .= $atts['after_widget']; | |
| 138 | + | |
| 139 | + // Reset renderer | |
| 140 | + $gamipress_renderer = false; | |
| 141 | + $gamipress_current_widget = null; | |
| 142 | + | |
| 143 | + echo $widget; | |
| 144 | + } | |
| 145 | + | |
| 146 | + /** | |
| 147 | + * Return the widget/shortcode output | |
| 148 | + * | |
| 149 | + * @since 1.0.0 | |
| 150 | + * | |
| 151 | + * @param array $args The widget arguments set up when a sidebar is registered. | |
| 152 | + * @param array $instance The widget settings as set by user. | |
| 153 | + * @return string The widget output. | |
| 154 | + */ | |
| 155 | + public function get_widget( $args, $instance ) { | |
| 156 | + | |
| 157 | + } | |
| 158 | + | |
| 159 | + /** | |
| 160 | + * The widget tabs. | |
| 161 | + * | |
| 162 | + * @since 1.0.0 | |
| 163 | + * | |
| 164 | + * @return array | |
| 165 | + */ | |
| 166 | + public function get_tabs() { | |
| 167 | + return array(); | |
| 168 | + } | |
| 169 | + | |
| 170 | + /** | |
| 171 | + * The widget form fields. | |
| 172 | + * | |
| 173 | + * @since 1.0.0 | |
| 174 | + * | |
| 175 | + * @return array | |
| 176 | + */ | |
| 177 | + public function get_fields() { | |
| 178 | + return array(); | |
| 179 | + } | |
| 180 | + | |
| 181 | + /** | |
| 182 | + * Setup the widget form fields. | |
| 183 | + * | |
| 184 | + * @since 1.0.0 | |
| 185 | + * | |
| 186 | + * @return array | |
| 187 | + */ | |
| 188 | + public function setup_fields() { | |
| 189 | + // Set up fields | |
| 190 | + $this->fields = $this->get_fields(); | |
| 191 | + | |
| 192 | + if( ! isset( $this->fields['title'] ) ) { | |
| 193 | + $this->fields = array( | |
| 194 | + 'title' => array( | |
| 195 | + 'name' => __( 'Title:', 'gamipress' ), | |
| 196 | + 'type' => 'text', | |
| 197 | + 'default' => '', | |
| 198 | + ), | |
| 199 | + ) + $this->fields; | |
| 200 | + } | |
| 201 | + | |
| 202 | + /** | |
| 203 | + * Available filter to extend the widget form fields | |
| 204 | + * | |
| 205 | + * @since 1.9.9.2 | |
| 206 | + * | |
| 207 | + * @param array $fields | |
| 208 | + * @param array $widget_slug | |
| 209 | + * | |
| 210 | + * @return array | |
| 211 | + */ | |
| 212 | + $this->fields = apply_filters( 'gamipress_setup_widget_fields', $this->fields, $this->widget_slug ); | |
| 213 | + | |
| 214 | + $this->defaults = array(); | |
| 215 | + | |
| 216 | + // Set up fields defaults | |
| 217 | + foreach( $this->fields as $field_id => $field ) { | |
| 218 | + $this->defaults[$field_id] = ( isset( $field['default'] ) ? $field['default'] : '' ); | |
| 219 | + } | |
| 220 | + } | |
| 221 | + | |
| 222 | + /** | |
| 223 | + * Back-end widget form with defaults. | |
| 224 | + * | |
| 225 | + * @param array $instance Current settings. | |
| 226 | + * @return string Default return is 'noform'. | |
| 227 | + */ | |
| 228 | + public function form( $instance ) { | |
| 229 | + | |
| 230 | + $this->setup_fields(); | |
| 231 | + | |
| 232 | + if( count( $this->fields ) > 0 ) { | |
| 233 | + // If there are no settings, set up defaults | |
| 234 | + $this->_instance = wp_parse_args( (array) $instance, $this->defaults); | |
| 235 | + | |
| 236 | + $cmb2 = $this->cmb2(); | |
| 237 | + | |
| 238 | + $cmb2->object_id( $this->option_name ); | |
| 239 | + CMB2_Hookup::enqueue_cmb_css(); | |
| 240 | + CMB2_Hookup::enqueue_cmb_js(); | |
| 241 | + $cmb2->show_form(); | |
| 242 | + | |
| 243 | + return ''; | |
| 244 | + } | |
| 245 | + | |
| 246 | + return 'noform'; | |
| 247 | + } | |
| 248 | + | |
| 249 | + /** | |
| 250 | + * Update form values as they are saved. | |
| 251 | + * | |
| 252 | + * @param array $new_instance New settings for this instance as input by the user. | |
| 253 | + * @param array $old_instance Old settings for this instance. | |
| 254 | + * @return array Settings to save or bool false to cancel saving. | |
| 255 | + */ | |
| 256 | + public function update( $new_instance, $old_instance ) { | |
| 257 | + $this->setup_fields(); | |
| 258 | + | |
| 259 | + $sanitized = $this->cmb2( true )->get_sanitized_values( $new_instance ); | |
| 260 | + | |
| 261 | + return $sanitized; | |
| 262 | + } | |
| 263 | + | |
| 264 | + /** | |
| 265 | + * Creates a new instance of CMB2 and adds the fields | |
| 266 | + * | |
| 267 | + * @since 1.0.0 | |
| 268 | + * | |
| 269 | + * @return CMB2 | |
| 270 | + */ | |
| 271 | + public function cmb2( $saving = false ) { | |
| 272 | + | |
| 273 | + $tabs = $this->get_tabs(); | |
| 274 | + | |
| 275 | + foreach ( $tabs as $tab_id => $tab ) { | |
| 276 | + // Generate the id of the tab based on shortcode slug | |
| 277 | + $tab['id'] = $this->get_field_name( $tab_id ); | |
| 278 | + | |
| 279 | + foreach( $tab['fields'] as $tab_field_index => $tab_field ) { | |
| 280 | + // Update the id of the tab field based on shortcode slug | |
| 281 | + $tab['fields'][$tab_field_index] = $this->get_field_name( $tab_field ); | |
| 282 | + } | |
| 283 | + | |
| 284 | + $tabs[$tab_id] = $tab; | |
| 285 | + } | |
| 286 | + | |
| 287 | + // Create a new box in the class | |
| 288 | + $cmb2 = new CMB2( array( | |
| 289 | + 'id' => $this->option_name .'_box', // Option name is taken from the WP_Widget class. | |
| 290 | + 'classes' => 'gamipress-form gamipress-widget-form', | |
| 291 | + 'tabs' => $tabs, | |
| 292 | + 'hookup' => false, | |
| 293 | + 'show_on' => array( | |
| 294 | + 'key' => 'options-page', | |
| 295 | + 'value' => array( $this->option_name ) | |
| 296 | + ), | |
| 297 | + ), $this->option_name ); | |
| 298 | + | |
| 299 | + foreach ( $this->fields as $field_id => $field ) { | |
| 300 | + $field['id'] = $field_id; | |
| 301 | + $field['id_key'] = $field_id; // Saves the given id into a custom parameter to use it as the real field id | |
| 302 | + | |
| 303 | + if ( ! $saving ) { | |
| 304 | + $field['id'] = $this->get_field_name( $field_id ); | |
| 305 | + } | |
| 306 | + | |
| 307 | + $field['default_cb'] = array( $this, 'default_cb' ); | |
| 308 | + | |
| 309 | + // Remove default to make default_cb work | |
| 310 | + if( isset( $field['default'] ) ) { | |
| 311 | + unset( $field['default'] ); | |
| 312 | + } | |
| 313 | + | |
| 314 | + $cmb2->add_field( $field ); | |
| 315 | + } | |
| 316 | + | |
| 317 | + return $cmb2; | |
| 318 | + } | |
| 319 | + | |
| 320 | + /** | |
| 321 | + * Sets the field default, or the field value. | |
| 322 | + * | |
| 323 | + * @param array $field_args CMB2 field args array | |
| 324 | + * @param CMB2_Field $field CMB2 Field object. | |
| 325 | + * | |
| 326 | + * @return mixed Field value. | |
| 327 | + */ | |
| 328 | + public function default_cb( $field_args, $field ) { | |
| 329 | + | |
| 330 | + if( $field->args( 'type' ) === 'checkbox' ) { | |
| 331 | + return isset( $this->_instance[ $field->args( 'id_key' ) ] ) | |
| 332 | + && $this->_instance[ $field->args( 'id_key' ) ] === 'on' | |
| 333 | + ? 'on' | |
| 334 | + : ''; | |
| 335 | + } | |
| 336 | + | |
| 337 | + return isset( $this->_instance[ $field->args( 'id_key' ) ] ) | |
| 338 | + ? $this->_instance[ $field->args( 'id_key' ) ] | |
| 339 | + : null; | |
| 340 | + } | |
| 341 | + | |
| 342 | +} | |