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<?php /**
* Widget Ajax
*
* This file is used to fetch, using Ajax, and display different parts of the layers widgets
*
* @package Layers
* @since Layers 1.0.0
*/
if( ! class_exists( 'Layers_Widget_Ajax' ) ) {
class Layers_Widget_Ajax {
private static $instance;
/**
* Initiator
*/
public static function get_instance(){
if ( ! isset( self::$instance ) ) {
self::$instance = new Layers_Custom_Meta();
}
return self::$instance;
}
/**
* Constructor
*/
public function __construct() {
}
public function init() {
add_action( 'wp_ajax_layers_slider_widget_actions', array( $this, 'slider_widget_actions' ) );
add_action( 'wp_ajax_layers_content_widget_actions', array( $this, 'content_widget_actions' ) );
add_action( 'wp_ajax_layers_widget_new_repeater_item', array( $this, 'widget_new_repeater_item' ) );
// Widget Link Actions
add_action( 'wp_ajax_layers_widget_linking_searches', array( $this, 'widget_linking_searches' ) );
add_action( 'wp_ajax_layers_widget_linking_initial_selections', array( $this, 'widget_linking_initial_selections' ) );
}
function slider_widget_actions(){
if( !check_ajax_referer( 'layers-widget-actions', 'nonce', false ) ) die( 'You threw a Nonce exception' ); // Nonce
$widget = new Layers_Slider_Widget();
if( 'add-slide' == $_POST[ 'widget_action'] ) {
// Get the previous element's column data
parse_str(
urldecode( stripslashes( $_POST[ 'instance' ] ) ),
$data
);
// Get the previous element's column data
if( isset( $data[ 'widget-' . $_POST[ 'id_base' ] ] ) && isset( $_POST[ 'last_guid' ] ) && is_numeric( $_POST[ 'last_guid' ] ) ) {
$instance = $data[ 'widget-' . $_POST[ 'id_base' ] ][ $_POST[ 'number' ] ][ 'slides' ][ $_POST[ 'last_guid' ] ];
} else {
$instance = NULL;
}
// Get the previous element's column data
$widget->slide_item( array( 'id_base' => $_POST[ 'id_base' ] , 'number' => $_POST[ 'number' ] ), NULL, $instance );
}
die();
}
function content_widget_actions(){
if( !check_ajax_referer( 'layers-widget-actions', 'nonce', false ) ) die( 'You threw a Nonce exception' ); // Nonce
$widget = new Layers_Content_Widget();
if( 'add-column' == $_POST[ 'widget_action'] ) {
// Get the previous element's column data
parse_str(
urldecode( stripslashes( $_POST[ 'instance' ] ) ),
$data
);
// Get the previous element's column data
if( isset( $data[ 'widget-' . $_POST[ 'id_base' ] ] ) && isset( $_POST[ 'last_guid' ] ) && is_numeric( $_POST[ 'last_guid' ] ) ) {
$instance = $data[ 'widget-' . $_POST[ 'id_base' ] ][ $_POST[ 'number' ] ][ 'columns' ][ $_POST[ 'last_guid' ] ];
} else {
$instance = NULL;
}
$widget->column_item( array( 'id_base' => $_POST[ 'id_base' ] , 'number' => $_POST[ 'number' ] ), NULL, $instance );
}
die();
}
function widget_new_repeater_item(){
if( !check_ajax_referer( 'layers-widget-actions', 'nonce', false ) ) die( 'You threw a Nonce exception' ); // Nonce
// We defintiely need these to be able to repeat.
if ( !isset( $_POST['number'] ) || !isset( $_POST['item_type'] ) || !isset( $_POST['item_class'] ) ) die();
$item_number = $_POST['number']; // e.g. 286
$item_type = $_POST['item_type']; // e.g. button
$item_class = $_POST['item_class' ]; // e.g. Layers_Call_To_Action_Widget
$item_function = "{$item_type}_item";
// Init the related widgets class - so we can get to the new_item() function.
$widget = new $item_class();
// Comment...
$widget->number = $item_number;
if( 'add-item' == $_POST['widget_action'] ) {
// Parse the posted instance so it gets converted to the normal WP layout.
parse_str( $_POST['item_instance'], $item_instance );
$item_instance = current( current( $item_instance ) );
if ( isset( $item_instance["{$item_type}s"] ) && ! empty( $item_instance["{$item_type}s"] ) ) {
$item_instance = end( $item_instance["{$item_type}s"] );
}
else {
// Required - $item_instance Defaults
$item_instance = $widget->get_repeater_defaults( $item_type, NULL );
}
if ( isset( $_POST['merge_instance'] ) ) {
parse_str( $_POST['merge_instance'], $merge_instance );
$item_instance = wp_parse_args( $merge_instance, $item_instance );
}
// Generate a new GUID.
$item_guid = rand( 1 , 1000 );
// Settings this will add these prefixes to both the get_layers_field_id(),
// and get_layers_field_name() string construction.
$widget->field_attribute_prefixes = array( "{$item_type}s", $item_guid );
// Generate a new item. By passing the GUID as NULL it will duplicate the latest one if it exists, or create a new default based uniqie one.
$widget->$item_function( $item_guid, $item_instance );
// Remove the extra attributes.
unset( $widget->field_attribute_prefixes );
}
die();
}
function widget_linking_searches(){
global $post;
if ( ! check_ajax_referer( 'nonce_layers_widget_linking', 'nonce', false ) ) die( 'You threw a Nonce exception' ); // Nonce
$link_type = $_GET['link_type'];
$more = FALSE;
// Data collection.
$results_collection = array();
switch ( $link_type ) {
case 'post':
/**
* Post
*/
if ( isset( $_GET['term'] ) && '' !== $_GET['term'] ) {
// Only search if there is a post to start with.
$post_types_to_search = get_post_types( array( 'public' => TRUE ) );
unset( $post_types_to_search['attachment'] );
$args = array();
$args['posts_per_page'] = 3;
$args['paged'] = $_GET['page'];
$args['post_type'] = $post_types_to_search;
// Add filter for the 'LIKE' Title DB search.
add_filter( 'posts_where', 'post_title_search_filter', 10, 2 );
// Search the posts.
query_posts( $args );
// Loop and collect the data.
while ( have_posts() ) : the_post();
$results_collection[] = array(
'id' => $post->ID,
'text' => $post->post_title . ' (' . $post->post_type . ')',
);
endwhile;
// Search the posts.
$args['paged'] = intval( $_GET['page'] ) + 1;
query_posts( $args );
$more = have_posts();
}
break;
case 'post_type_archive':
/**
* Post-Type Archive
*/
$post_types = get_post_types( array(), 'objects' );
foreach ( $post_types as $post_type => $post_type_value ) {
$results_collection[] = array(
'id' => $post_type,
'text' => $post_type_value->name,
);
}
break;
case 'taxonomy_archive':
/**
* Post-Type Archive
*/
break;
}
// Echo the data in the format that Select-2 can use.
echo json_encode( array(
'results' => $results_collection,
'more' => $more,
) );
die();
}
function widget_linking_initial_selections(){
global $post;
if ( ! check_ajax_referer( 'nonce_layers_widget_linking', 'nonce', false ) ) die( 'You threw a Nonce exception' ); // Nonce
$link_type = $_POST['link_type'];
// Data collection.
$results_collection = array();
switch ( $link_type ) {
case 'post':
/**
* Post
*/
if ( isset( $_POST['post_id'] ) && '' !== $_POST['post_id'] ) {
$post_id = $_POST['post_id'];
$results_collection = array(
'id' => $post_id,
'text' => get_the_title( $post_id ) . ' (' . get_post_type( $post_id ) . ')',
);
}
break;
case 'post_type_archive':
/**
* Post-Type Archive
*/
break;
case 'taxonomy_archive':
/**
* Post-Type Archive
*/
break;
}
// Echo the data in the format that Select-2 can use.
echo json_encode( $results_collection );
die();
}
}
function post_title_search_filter( $where, &$wp_query ) {
global $wpdb;
if ( isset( $_GET['term'] ) && $term = $_GET['term'] ) {
$where .= ' AND ' . $wpdb->posts . '.post_title LIKE \'' . esc_sql( $wpdb->esc_like( $term ) ) . '%\'';
}
return $where;
}
function layers_register_widget_ajax(){
$widget_ajax = new Layers_Widget_Ajax();
$widget_ajax->init();
}
add_action( 'init' , 'layers_register_widget_ajax' );
} // if class_exists