amount 2.2.87

shop2.queue.amount = function() {

	var $document = $(document);

	function validate(input) {
		var kind = input.data('kind'),
			max = input.data('max'),
			val = Number(input.val()),
			amount = 0,
			available;

		if (kind && max > 0) {
			$('input[data-kind=' + kind + ']').each(function() {
				amount += Number(this.value);
			});

			if (amount > max) {
				available = max - amount + val;
				input.val(available);
				shop2.msg(_s3Lang.JS_AVAILABLE_ONLY + ' ' + available, input);
			}
		}
	}

	$document.on('click', '.amount-minus', function() {
		var $this = $(this),
			text = $this.parents('.shop2-product-amount').find('input:text'),
			value = text.getVal();

		if (value) {
			value = value[0];
		}
		value -= shop2.options.amountDefaultInc;
		value = value.toFixed(5) - 0;

		if (value <= shop2.options.amountDefaultValue) {
			value = shop2.options.amountDefaultValue;
		}

		text.val(value);
		text.trigger('keyup');
	});

	$document.on('click', '.amount-plus', function() {

		var $this = $(this),
			text = $this.parents('.shop2-product-amount').find('input:text'),
			value = text.getVal();

		if (value) {
			value = value[0];
		}

		value += shop2.options.amountDefaultInc;
		value = value.toFixed(5) - 0;

		text.val(value);
		text.trigger('keyup');
	});

	$document.on('keyup', '.shop2-product-amount input:text', function() {
		var $this = $(this);
		validate($this);
	});

	$document.keyFilter('.shop2-product-amount input:text', {
		type: shop2.options.amountType
	});
},