app/assets/javascripts/admin/directives/display_as.js.coffee
angular.module("ofn.admin").directive "ofnDisplayAs", (OptionValueNamer) ->
link: (scope, element, attrs) ->
scope.$watchCollection ->
return [
scope.$eval(attrs.ofnDisplayAs).unit_value_with_description
scope.product.variant_unit_name
scope.product.variant_unit_with_scale
]
, ->
[variant_unit, variant_unit_scale] = productUnitProperties()
[unit_value, unit_description] = variantUnitProperties(variant_unit_scale)
variant_object =
unit_value: unit_value
unit_description: unit_description
product:
variant_unit_scale: variant_unit_scale
variant_unit: variant_unit
variant_unit_name: scope.product.variant_unit_name
scope.placeholder_text = new OptionValueNamer(variant_object).name()
productUnitProperties = ->
# get relevant product properties
if scope.product.variant_unit_with_scale?
match = scope.product.variant_unit_with_scale.match(/^([^_]+)_([\d\.]+)$/)
if match
variant_unit = match[1]
variant_unit_scale = parseFloat(match[2])
else
variant_unit = scope.product.variant_unit_with_scale
variant_unit_scale = null
else
variant_unit = variant_unit_scale = null
[variant_unit, variant_unit_scale]
variantUnitProperties = (variant_unit_scale)->
# get relevant variant properties
variant = scope.$eval(attrs.ofnDisplayAs) # Like this so we can switch between 'master' and 'variant'
if variant.unit_value_with_description?
match = variant.unit_value_with_description.match(/^([\d\.\,]+(?= |$)|)( |)(.*)$/)
if match
unit_value = parseFloat(match[1].replace(",", "."))
unit_value = null if isNaN(unit_value)
unit_value *= variant_unit_scale if unit_value && variant_unit_scale
unit_description = match[3]
[unit_value, unit_description]