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<?php
class EIC_Ajax {
public function __construct()
{
add_action( 'wp_ajax_image_collage', array( $this, 'ajax_image_collage' ) );
add_action( 'wp_ajax_image_collage_preview', array( $this, 'ajax_image_collage_preview' ) );
}
public function ajax_image_collage()
{
if( check_ajax_referer( 'eic_image_collage', 'security', false ) )
{
$grid_data = $_POST['grid'];
$grid_id = intval( $grid_data['id'] );
// Create new or update grid
if( $grid_id === 0 ) {
// Make sure user is allowed to create a new post.
if ( ! current_user_can( 'publish_posts' ) ) {
die();
}
global $user_ID;
$post = array(
'post_status' => 'publish',
'post_date' => date('Y-m-d H:i:s'),
'post_author' => $user_ID,
'post_type' => EIC_POST_TYPE,
'post_content' => '',
);
$grid_id = wp_insert_post( $post );
} else {
// Make sure user is allowed to edit this post.
if ( ! current_user_can( 'edit_post', $grid_id ) ) {
die();
}
$post = array(
'ID' => $grid_id,
'post_content' => ''
);
wp_update_post( $post );
}
$grid = new EIC_Grid( $grid_id );
$grid->update_data( $grid_data );
echo json_encode($grid_id);
}
die();
}
public function ajax_image_collage_preview()
{
$preview = '';
if( check_ajax_referer( 'eic_image_collage', 'security', false ) )
{
$grid_id = intval( $_POST['grid_id'] );
$post = get_post( $grid_id );
$preview .= '<span contentEditable="false" style="font-weight: bold;" data-eic-grid="' . $grid_id . '">Easy Image Collage ' . $grid_id . '</span>';
$preview .= '<span contentEditable="false" style="float: right; color: darkred;" data-eic-grid-remove="' . $grid_id . '">' . __( 'remove', 'easy-image-collage' ) . '</span>';
$preview .= '<br/><br/>';
if( !is_null( $post ) && $post->post_type == EIC_POST_TYPE ) {
$grid = new EIC_Grid( $grid_id );
$images = $grid->images();
if( !empty( $images ) ) {
foreach( $images as $id => $image ) {
if( $image ) {
$thumb = wp_get_attachment_image_src( $image['attachment_id'], array( 100, 100 ) );
if( $thumb ) {
$preview .= '<span contentEditable="false" style="display: inline-block; background-image: url(\'' . $thumb[0] . '\'); background-size: ' . $thumb[1] . 'px ' . $thumb[2] . 'px; width: ' . $thumb[1] . 'px; height: ' . $thumb[2] . 'px;" data-eic-grid="' . $grid_id . '"> </span>';
}
}
}
} else {
$preview .= '<span contentEditable="false" data-eic-grid="' . $grid_id . '">' . __( 'No images in this collage yet', 'easy-image-collage' ) . '</span>';
}
}
}
echo $preview;
die();
}
public function url()
{
$ajaxurl = admin_url( 'admin-ajax.php' );
$ajaxurl .= '?eic_ajax=1';
// WPML AJAX Localization Fix
global $sitepress;
if( isset( $sitepress) ) {
$ajaxurl .= '&lang='.$sitepress->get_current_language();
}
return $ajaxurl;
}
}