if (!String.prototype.trim) {
  String.prototype.trim = function () {
    return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
  };
}

function _sys_modal_show_generic(stype,stitle,surl,sfooter,showclosebutton)
{
    $.ajaxSetup ({
        // Disable caching of AJAX responses
        cache: false
    });

    if ( stype.length > 0 )
    {
        stype = '-' + stype;
    }
	$('.tooltip').hide();
	$('#sysModal' + stype).removeClass("modal-danger");
	$('#btn-modal-close').addClass("btn-primary");
	$('#btn-modal-close').removeClass("btn-outline");
	$('#sysModalContent' + stype).load(surl,
	function(){
        var sbtnClose = "";
        if ( showclosebutton == true )
        {
            sbtnClose = '<button id="btn-modal-close" type="button" class="btn bg-gray-dark pull-right" data-dismiss="modal">Chiudi</button>';
        }else
        {
            sbtnClose = "";
        }
        if ( showclosebutton == false && sfooter.length == 0 )
        {
            $('#sysModalFooter' + stype).hide();
        } else {
            $('#sysModalFooter' + stype).show();
        }
		$('#sysModalFooter' + stype).html(sfooter + sbtnClose);
		$('#sysModalTitle' + stype).html(stitle);
		$('#sysModal' + stype).modal({show:true,backdrop:'static'});
		$('#sysModal' + stype).css('z-index', 3000);
	}
	);
}

function sysValidateEmail(email) {
    const re = /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
    return re.test(String(email).toLowerCase());
}

function sysTrim (string) {
    if ( string == null )
    {
        return "";
    }
    string = '' + string;
    return string.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
}

function _sys_modal_hide(stype)
{
    if ( stype.length > 0 )
    {
        stype = '-' + stype;
    }
	$('.tooltip').hide();
	$('#sysModal' + stype).modal('hide');
}

function _sys_set_field_error(sid, stext)
{
    $('#' + sid).addClass("is-invalid");
    alert(stext);
    $('#' + sid).focus();
}

function _sys_toastr_show_success(text)
{
    toastr.success(text);
}

function _sys_toastr_show_danger(text)
{
    toastr.error(text);
}

function _sys_toastr_show_warning(text)
{
    toastr.warning(text);
}

function _sys_toastr_show_info(text)
{
    toastr.info(text);
}