tap/app/assets/javascripts/orders.js
2015-09-18 13:20:57 +02:00

66 lines
1.7 KiB
JavaScript

// Place all the behaviors and hooks related to the matching controller here.
// All this logic will automatically be available in application.js.
// You can use CoffeeScript in this file: http://coffeescript.org/
ready = function() {
$('.btn-inc').on('click', function() {
increment($(this), 1);
});
$('.btn-dec').on('click', function() {
increment($(this), -1);
});
$('.form_row').each(function(index, row) {
updateInput(row, false);
$(row).on('input', function() {
updateInput(row);
});
});
recalculate();
};
// Validate input, and then update
updateInput = function(row, useRecalculate) {
if (useRecalculate == null) {
useRecalculate = true;
}
cell = row.querySelector("input");
if (!cell.validity.valid) {
if (parseInt(cell.value) > parseInt(cell.max)) {
cell.value = parseInt(cell.max);
} else {
cell.value = 0;
}
}
disIfNec(row)
if (useRecalculate) {
recalculate()
}
};
disIfNec = function(row) {
counter = parseInt($(row).find('.row_counter').val())
$(row).find('.btn-dec').prop('disabled', counter === 0)
$(row).find('.btn-inc').prop('disabled', counter === parseInt($(row).find('.row_counter').attr('max')))
};
recalculate = function() {
sum = 0
$('.row_counter').each(function(i, value) { sum += parseInt($(value).val()) * parseInt($(value).data('price')) })
return $('#order_price').html((sum / 100.0).toFixed(2))
};
increment = function(button, n) {
row = $(button).closest('.form_row')
// Fix the counter
counter = $(row).find('.row_counter')
value = parseInt(counter.val())
if (isNaN(value)) {
value = 0
}
counter.val(value + n)
updateInput(row[0])
}
$(document).ready(ready);
$(document).on('page:load', ready);