jQuery(document).ready( function($) {

    imageWidget = {
        uploader : function( widget_id_string ) {

            function media_upload(button_class) {
                var _custom_media = true,
                _orig_send_attachment = wp.media.editor.send.attachment;

                $('body').on('click', button_class, function(e) {
                   // var current = $(this).prev('input');
                   // console.log( current);
                    var button_id ='#'+$(this).attr('id');
                    var self = $(button_id);
                    var send_attachment_bkp = wp.media.editor.send.attachment;
                    var button = $(button_id);
                    var id = button.attr('id').replace('_button', '');
                    _custom_media = true;
                    wp.media.editor.send.attachment = function(props, attachment){
                        if ( _custom_media  ) {
                            $("#" + widget_id_string + 'attachment_id').val(attachment.id);
                            $("#" + widget_id_string ).val(attachment.url);
                            $("#" + widget_id_string + 'preview').attr('src',attachment.url).css('display','block');
                        } else {
                            return _orig_send_attachment.apply( button_id, [props, attachment] );
                        }
                    }
                    wp.media.editor.open(button);
                        return false;
                });
            }
            media_upload('.custom_media_button.button');
        }
    }
});