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<?php |
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/** |
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* Advanced Ads Widget |
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* |
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* @package Advads_Widget |
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* @author Thomas Maier <thomas.maier@webgilde.com> |
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* @license GPL-2.0+ |
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* @link http://webgilde.com |
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* @copyright 2014 Thomas Maier, webgilde GmbH |
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*/ |
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|
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/** |
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* Ad widget |
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* |
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*/ |
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class Advads_Widget extends WP_Widget { |
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|
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function __construct() { |
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$widget_ops = array('classname' => 'advads_widget', 'description' => __('Display Ads and Ad Groups.', ADVADS_SLUG)); |
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$control_ops = array(); |
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parent::__construct('advads_ad_widget', __('Advanced Ads', ADVADS_SLUG), $widget_ops, $control_ops); |
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} |
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|
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function widget($args, $instance) { |
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/** This filter is documented in wp-includes/default-widgets.php */ |
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$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base ); |
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|
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extract($args); |
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$item_id = empty($instance['item_id']) ? '' : $instance['item_id']; |
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$title = empty($instance['title']) ? '' : $instance['title']; |
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echo $before_widget; |
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if ( ! empty( $title ) ) { |
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echo $before_title . $title . $after_title; |
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} |
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echo self::output($item_id); |
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echo $after_widget; |
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} |
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|
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function update($new_instance, $old_instance) { |
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$instance = $old_instance; |
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$instance['title'] = $new_instance['title']; |
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$instance['item_id'] = $new_instance['item_id']; |
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return $instance; |
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} |
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|
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function form($instance) { |
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$instance = wp_parse_args((array) $instance, array('title' => '', 'item_id' => '')); |
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$title = strip_tags($instance['title']); |
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$elementid = $instance['item_id']; |
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|
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?><p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> |
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<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p><?php |
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|
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$items = self::items_for_select(); |
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?> |
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<select id="<?php echo $this->get_field_id('item_id'); ?>" name="<?php echo $this->get_field_name('item_id'); ?>"> |
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<option value=""><?php _e('--empty--', ADVADS_SLUG); ?></option> |
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<?php if(isset($items['groups'])) : ?> |
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<optgroup label="<?php _e('Ad Groups', ADVADS_SLUG); ?>"> |
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<?php foreach($items['groups'] as $_item_id => $_item_title) : ?> |
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<option value="<?php echo $_item_id; ?>" <?php selected($_item_id, $elementid); ?>><?php echo $_item_title; ?></option> |
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<?php endforeach; ?> |
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</optgroup> |
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<?php endif; ?> |
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<?php if(isset($items['ads'])) : ?> |
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<optgroup label="<?php _e('Ads', ADVADS_SLUG); ?>"> |
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<?php foreach($items['ads'] as $_item_id => $_item_title) : ?> |
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<option value="<?php echo $_item_id; ?>" <?php selected($_item_id, $elementid); ?>><?php echo $_item_title; ?></option> |
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<?php endforeach; ?> |
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</optgroup> |
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<?php endif; ?> |
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</select><?php |
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} |
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|
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/** |
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* get items for widget select field |
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* |
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* @since 1.2 |
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* @return arr $select items for select field |
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*/ |
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static function items_for_select(){ |
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$select = array(); |
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|
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// load all ads |
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$ads = Advanced_Ads::get_ads(array('orderby' => 'name', 'order' => 'ASC')); |
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foreach($ads as $_ad){ |
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$select['ads']['ad_' . $_ad->ID] = $_ad->post_title; |
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} |
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|
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// load all ad groups |
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$groups = Advanced_Ads::get_ad_groups(); |
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foreach($groups as $_group){ |
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$select['groups']['group_' . $_group->term_id] = $_group->name; |
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} |
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|
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return $select; |
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} |
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|
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/** |
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* return content of an in a widget |
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* |
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* @since 1.2 |
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* @param string $id slug of the display |
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*/ |
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static function output($id = ''){ |
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// get placement data for the slug |
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if(empty($id)) return; |
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|
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$item = explode('_', $id); |
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|
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if(isset($item[1])) |
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$item_id = absint($item[1]); |
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elseif(empty($item_id)) return; |
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|
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// return either ad or group content |
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if($item[0] == 'ad'){ |
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return get_ad($item_id); |
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} elseif($item[0] == 'group'){ |
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return get_ad_group($item_id); |
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} |
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|
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return; |
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} |
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|
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} |
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|
