154 lines
4.2 KiB
PHP
154 lines
4.2 KiB
PHP
<?php
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/**
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* Abstract Widget Class
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*
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* @author WooThemes
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* @category Widgets
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* @package WooCommerce/Abstracts
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* @version 2.1.0
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* @extends WP_Widget
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*/
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abstract class WC_Widget extends WP_Widget {
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public $widget_cssclass;
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public $widget_description;
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public $widget_id;
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public $widget_name;
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public $settings;
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/**
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* Constructor
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*/
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public function __construct() {
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$widget_ops = array(
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'classname' => $this->widget_cssclass,
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'description' => $this->widget_description
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);
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$this->WP_Widget( $this->widget_id, $this->widget_name, $widget_ops );
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add_action( 'save_post', array( $this, 'flush_widget_cache' ) );
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add_action( 'deleted_post', array( $this, 'flush_widget_cache' ) );
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add_action( 'switch_theme', array( $this, 'flush_widget_cache' ) );
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}
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/**
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* get_cached_widget function.
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*/
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function get_cached_widget( $args ) {
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$cache = wp_cache_get( $this->widget_id, 'widget' );
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if ( ! is_array( $cache ) )
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$cache = array();
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if ( isset( $cache[ $args['widget_id'] ] ) ) {
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echo $cache[ $args['widget_id'] ];
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return true;
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}
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return false;
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}
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/**
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* Cache the widget
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*/
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public function cache_widget( $args, $content ) {
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$cache[ $args['widget_id'] ] = $content;
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wp_cache_set( $this->widget_id, $cache, 'widget' );
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}
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/**
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* Flush the cache
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* @return [type]
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*/
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public function flush_widget_cache() {
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wp_cache_delete( $this->widget_id, 'widget' );
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}
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/**
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* update function.
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*
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* @see WP_Widget->update
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* @access public
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* @param array $new_instance
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* @param array $old_instance
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* @return array
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*/
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function update( $new_instance, $old_instance ) {
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$instance = $old_instance;
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if ( ! $this->settings )
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return $instance;
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foreach ( $this->settings as $key => $setting ) {
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if ( isset( $new_instance[ $key ] ) ) {
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$instance[ $key ] = sanitize_text_field( $new_instance[ $key ] );
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} elseif ( 'checkbox' === $setting['type'] ) {
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$instance[ $key ] = 0;
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}
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}
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$this->flush_widget_cache();
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return $instance;
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}
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/**
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* form function.
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*
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* @see WP_Widget->form
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* @access public
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* @param array $instance
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* @return void
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*/
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function form( $instance ) {
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if ( ! $this->settings )
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return;
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foreach ( $this->settings as $key => $setting ) {
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$value = isset( $instance[ $key ] ) ? $instance[ $key ] : $setting['std'];
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switch ( $setting['type'] ) {
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case "text" :
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?>
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<p>
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<label for="<?php echo $this->get_field_id( $key ); ?>"><?php echo $setting['label']; ?></label>
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<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( $key ) ); ?>" name="<?php echo $this->get_field_name( $key ); ?>" type="text" value="<?php echo esc_attr( $value ); ?>" />
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</p>
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<?php
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break;
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case "number" :
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?>
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<p>
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<label for="<?php echo $this->get_field_id( $key ); ?>"><?php echo $setting['label']; ?></label>
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<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( $key ) ); ?>" name="<?php echo $this->get_field_name( $key ); ?>" type="number" step="<?php echo esc_attr( $setting['step'] ); ?>" min="<?php echo esc_attr( $setting['min'] ); ?>" max="<?php echo esc_attr( $setting['max'] ); ?>" value="<?php echo esc_attr( $value ); ?>" />
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</p>
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<?php
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break;
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case "select" :
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?>
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<p>
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<label for="<?php echo $this->get_field_id( $key ); ?>"><?php echo $setting['label']; ?></label>
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<select class="widefat" id="<?php echo esc_attr( $this->get_field_id( $key ) ); ?>" name="<?php echo $this->get_field_name( $key ); ?>">
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<?php foreach ( $setting['options'] as $option_key => $option_value ) : ?>
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<option value="<?php echo esc_attr( $option_key ); ?>" <?php selected( $option_key, $value ); ?>><?php echo esc_html( $option_value ); ?></option>
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<?php endforeach; ?>
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</select>
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</p>
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<?php
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break;
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case "checkbox" :
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?>
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<p>
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<input id="<?php echo esc_attr( $this->get_field_id( $key ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( $key ) ); ?>" type="checkbox" value="1" <?php checked( $value, 1 ); ?> />
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<label for="<?php echo $this->get_field_id( $key ); ?>"><?php echo $setting['label']; ?></label>
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</p>
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<?php
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break;
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}
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}
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}
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}
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