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