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<?php |
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define ("TABOOLA_WIDGET_BASE_ID","taboola"); |
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define ("TABOOLA_CONTAINER_PREFIX","inner-"); |
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class WP_Widget_Taboola extends WP_Widget { |
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|
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private static $counter; |
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function __construct() { |
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|
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|
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$widget_ops = array('classname' => 'widget_taboola', 'description' => __( "A taboola widget for your site.") ); |
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parent::__construct( TABOOLA_WIDGET_BASE_ID, _x( 'Taboola Widget', 'Taboola Widget' ), $widget_ops ); |
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$this->plugin_directory = plugin_dir_path(__FILE__); |
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} |
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|
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function get_id($tag){ |
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|
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$start_pos = strpos($tag,"id="); |
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|
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$container_id = null; |
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if ($start_pos !== false){ |
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|
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$end_pos = strpos($tag," ",$start_pos); |
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$extracted_id = str_replace(array('"',"'"),"",substr($tag,$start_pos+3,$end_pos-$start_pos-3)); |
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if ($extracted_id != ""){ |
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$container_id = $extracted_id; |
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} |
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} |
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return $container_id; |
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} |
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|
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function widget( $args, $instance ) { |
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if (!isset(WP_Widget_Taboola::$counter)){ |
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WP_Widget_Taboola::$counter = 1; |
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} |
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else{ |
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WP_Widget_Taboola::$counter = WP_Widget_Taboola::$counter + 1; |
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} |
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if (trim($instance['widget_id']) == ''){ |
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return; |
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} |
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extract($args); |
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|
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/** This filter is documented in wp-includes/default-widgets.php */ |
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$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base ); |
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|
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$tmp_id = explode("-",$args["widget_id"]); |
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$widget_num = $tmp_id[1]; |
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|
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$widget_id = ! empty( $instance['widget_id'] ) ? $instance['widget_id'] : ''; |
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|
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// use the widget container name as the placement, suffix the widget_num to make it unique |
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$placement=$args["id"]."-".$widget_num; |
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|
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echo $before_widget; |
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|
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if ( $title ){ |
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echo $before_title . $title . $after_title; |
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} |
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|
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$container = $this->get_id($before_widget); |
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|
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if ($container == null){ |
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// widget container (adding a div) |
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$container = TABOOLA_CONTAINER_PREFIX.$this->id; |
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echo '<div id="'.$container.'"></div>'; |
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} |
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|
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//widget content |
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$stringParams = array( |
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"{{WIDGET_ID}}" => $widget_id, |
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"{{CONTAINER}}" => $container, |
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"{{PLACEMENT}}" => $placement |
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); |
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$widgetInjectionScript_content = str_replace(array_keys($stringParams), array_values($stringParams), file_get_contents($this->plugin_directory.'js/widgetInjectionScript.js')); |
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echo '<script type="text/javascript">'.$widgetInjectionScript_content.'</script>'; |
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|
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echo $after_widget; |
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} |
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|
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function form( $instance ) { |
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$instance = wp_parse_args( (array) $instance ); |
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$widget_id = esc_attr( $instance['widget_id'] ); |
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?> |
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<p> |
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<label for="<?php echo $this->get_field_id('widget_id'); ?>"><?php _e('Widget ID:'); ?> |
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<input class="widefat" id="<?php echo $this->get_field_id('widget_id'); ?>" name="<?php echo $this->get_field_name('widget_id'); ?>" type="text" value="<?php echo esc_attr($widget_id); ?>" /> |
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</label> |
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</p> |
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<?php |
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} |
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|
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function update( $new_instance, $old_instance ) { |
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|
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// canceling save if the field is empty |
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if (strip_tags($new_instance['widget_id']) == ""){ |
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return false; |
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} |
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|
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$instance = $old_instance; |
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$instance['widget_id'] = strip_tags($new_instance['widget_id']); |
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|
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return $instance; |
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} |
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|
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} |
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|
