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rails.validations.coffee
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rails.validations.coffee
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# Rails 3 Client Side Validations - v<%= ClientSideValidations::VERSION %>
# https://github.com/bcardarella/client_side_validations
#
# Copyright (c) <%= DateTime.now.year %> Brian Cardarella
# Licensed under the MIT license
# http://www.opensource.org/licenses/mit-license.php
$ = jQuery
$.fn.validate = ->
@filter('form[data-validate]').each ->
form = $(@)
settings = window.ClientSideValidations.forms[form.attr('id')]
addError = (element, message) ->
ClientSideValidations.formBuilders[settings.type].add(element, settings, message)
removeError = (element) ->
ClientSideValidations.formBuilders[settings.type].remove(element, settings)
# Set up the events for the form
form.submit -> form.isValid(settings.validators)
form.bind(event, binding) for event, binding of {
'ajax:beforeSend' : (eventData) -> form.isValid(settings.validators) if eventData.target == @
'form:validate:after' : (eventData) -> ClientSideValidations.callbacks.form.after( form, eventData)
'form:validate:before': (eventData) -> ClientSideValidations.callbacks.form.before(form, eventData)
'form:validate:fail' : (eventData) -> ClientSideValidations.callbacks.form.fail( form, eventData)
'form:validate:pass' : (eventData) -> ClientSideValidations.callbacks.form.pass( form, eventData)
}
form.find('[data-validate="true"]:input:enabled:not(:radio)').live(event, binding) for event, binding of {
'focusout': -> $(@).isValid(settings.validators)
'change': -> $(@).data('changed', true)
# Callbacks
'element:validate:after': (eventData) -> ClientSideValidations.callbacks.element.after($(@), eventData)
'element:validate:before': (eventData) -> ClientSideValidations.callbacks.element.before($(@), eventData)
'element:validate:fail': (eventData, message) ->
element = $(@)
ClientSideValidations.callbacks.element.fail(element, message, ->
addError(element, message)
, eventData)
'element:validate:pass': (eventData) ->
element = $(@)
ClientSideValidations.callbacks.element.pass(element, ->
removeError(element)
, eventData)
}
# Checkboxes - Live events don't support filter
form.find('[data-validate="true"]:checkbox').live('click', -> $(@).isValid(settings.validators))
# Inputs for confirmations
form.find('[id*=_confirmation]').each ->
confirmationElement = $(@)
element = form.find("##{@id.match(/(.+)_confirmation/)[1]}[data-validate='true']:input")
if element[0]
$("##{confirmationElement.attr('id')}").live(event, binding) for event, binding of {
'focusout': -> element.data('changed', true).isValid(settings.validators)
'keyup' : -> element.data('changed', true).isValid(settings.validators)
}
$.fn.isValid = (validators) ->
obj = $(@[0])
if obj.is('form')
validateForm(obj, validators)
else
validateElement(obj, validatorsFor(@[0].name, validators))
validatorsFor = (name, validators) ->
name = name.replace(/_attributes\]\[\d+\]/g,"_attributes][]")
validators[name]
validateForm = (form, validators) ->
form.trigger('form:validate:before')
valid = true
form.find('[data-validate="true"]:input:enabled').each ->
valid = false if $(@).isValid(validators)
if valid then form.trigger('form:validate:pass') else form.trigger('form:validate:fail')
form.trigger('form:validate:after')
valid
validateElement = (element, validators) ->
element.trigger('element:validate:before')
if element.data('changed') != false
valid = true
element.data('changed', false)
# Because 'length' is defined on the list of validators we cannot call jQuery.each on
context = ClientSideValidations.validators.local
for kind, fn of context
if validators[kind] and (message = fn.call(context, element, validators[kind]))
element.trigger('element:validate:fail', message).data('valid', false)
valid = false
break
if valid
context = ClientSideValidations.validators.remote
for kind, fn of context
if validators[kind] and (message = fn.call(context, element, validators[kind]))
element.trigger('element:validate:fail', message).data('valid', false)
valid = false
break
if valid
element.data('valid', null)
element.trigger('element:validate:pass')
element.trigger('element:validate:after')
element.data('valid') == false ? false : true
# Main hook
# If new forms are dynamically introduced into the DOM the .validate() method
# must be invoked on that form
$(-> $('form[data-validate]').validate())
window.ClientSideValidations =
forms: {}
validators:
all: -> jQuery.extend({}, ClientSideValidations.validators.local, ClientSideValidations.validators.remote)
local:
presence: (element, options) ->
options.message if /^\s*$/.test(element.val() || '')
acceptance: (element, options) ->
switch element.attr('type')
when 'checkbox'
unless element.attr('checked')
return options.message
when 'text'
if element.val() != (options.accept?.toString() || '1')
return options.message
format: (element, options) ->
message = @presence(element, options)
if message
return if options.allow_blank == true
return message
return options.message if options.with and !options.with.test(element.val())
return options.message if options.without and options.without.test(element.val())
numericality: (element, options) ->
unless /^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d*)?$/.test(element.val())
return options.messages.numericality
if options.only_integer and !/^[+-]?\d+$/.test(element.val())
return options.messages.only_integer
CHECKS =
greater_than: '>'
greater_than_or_equal_to: '>='
equal_to: '=='
less_than: '<'
less_than_or_equal_to: '<='
# options[check] may be 0 so we must check for undefined
for check, operator of CHECKS when options[check]?
fn = new Function("return #{element.val()} #{operator} #{options[check]}")
return options.messages[check] unless fn()
if options.odd and !(parseInt(element.val(), 10) % 2)
return options.messages.odd
if options.even and (parseInt(element.val(), 10) % 2)
return options.messages.even
length: (element, options) ->
tokenizer = options.js_tokenizer || "split('')"
tokenized_length = new Function('element', "return (element.val().#{tokenizer} || '').length")(element)
CHECKS =
is: '=='
minimum: '>='
maximum: '<='
blankOptions = {}
blankOptions.message = if options.is
options.messages.is
else if options.minimum
options.messages.minimum
message = @presence(element, blankOptions)
if message
return if options.allow_blank == true
return message
for check, operator of CHECKS when options[check]
fn = new Function("return #{tokenized_length} #{operator} #{options[check]}")
return options.messages[check] unless fn()
exclusion: (element, options) ->
message = @presence(element, options)
if message
return if options.allow_blank == true
return message
if options.in
return options.message if element.val() in (o.toString() for o in options.in)
if options.range
lower = options.range[0]
upper = options.range[1]
return options.message if element.val() >= lower and element.val() <= upper
inclusion: (element, options) ->
message = @presence(element, options)
if message
return if options.allow_blank == true
return message
if options.in
return if element.val() in (o.toString() for o in options.in)
return options.message
if options.range
lower = options.range[0]
upper = options.range[1]
return if element.val() >= lower and element.val() <= upper
return options.message
confirmation: (element, options) ->
if element.val() != jQuery("##{element.attr('id')}_confirmation").val()
return options.message
remote:
uniqueness: (element, options) ->
message = ClientSideValidations.validators.local.presence(element, options)
if message
return if options.allow_blank == true
return message
data = {}
data.case_sensitive = !!options.case_sensitive
data.id = options.id if options.id
if options.scope
data.scope = {}
for key, scope_value of options.scope
scoped_name = element.attr('name').replace(/\[\w+\]$/, "[#{key}]")
scoped_element = jQuery("[name='#{scoped_name}']")
if scoped_element[0] and scoped_element.val() != scope_value
data.scope[key] = scoped_element.val()
scoped_element.unbind("change.#{element.id}").bind "change.#{element.id}", ->
element.trigger('change')
element.trigger('focusout')
else
data.scope[key] = scope_value
# Kind of a hack but this will isolate the resource name and attribute.
# e.g. user[records_attributes][0][title] => records[title]
# e.g. user[record_attributes][title] => record[title]
# Server side handles classifying the resource properly
if /_attributes\]/.test(element.attr('name'))
name = element.attr('name').match(/\[\w+_attributes\]/g).pop().match(/\[(\w+)_attributes\]/).pop()
name += /(\[\w+\])$/.exec(element.attr('name'))[1]
else
name = element.attr('name')
# Override the name if a nested module class is passed
name = options['class'] + '[' + name.split('[')[1] if options['class']
data[name] = element.val()
if jQuery.ajax({
url: '/validators/uniqueness',
data: data,
async: false
}).status == 200
return options.message
formBuilders:
'ActionView::Helpers::FormBuilder':
add: (element, settings, message) ->
if element.data('valid') != false and not jQuery("label.message[for='#{element.attr('id')}']")[0]?
inputErrorField = jQuery(settings.input_tag)
labelErrorField = jQuery(settings.label_tag)
label = jQuery("label[for='#{element.attr('id')}']:not(.message)")
element.attr('autofocus', false) if element.attr('autofocus')
element.before(inputErrorField)
inputErrorField.find('span#input_tag').replaceWith(element)
inputErrorField.find('label.message').attr('for', element.attr('id'))
labelErrorField.find('label.message').attr('for', element.attr('id'))
label.replaceWith(labelErrorField)
labelErrorField.find('label#label_tag').replaceWith(label)
jQuery("label.message[for='#{element.attr('id')}']").text(message)
remove: (element, settings) ->
errorFieldClass = jQuery(settings.input_tag).attr('class')
inputErrorField = element.closest(".#{errorFieldClass}")
label = jQuery("label[for='#{element.attr('id')}']:not(.message)")
labelErrorField = label.closest(".#{errorFieldClass}")
if inputErrorField[0]
inputErrorField.find("##{element.attr('id')}").detach()
inputErrorField.replaceWith(element)
label.detach()
labelErrorField.replaceWith(label)
callbacks:
element:
after: (element, eventData) ->
before: (element, eventData) ->
fail: (element, message, addError, eventData) -> addError()
pass: (element, removeError, eventData) -> removeError()
form:
after: (form, eventData) ->
before: (form, eventData) ->
fail: (form, eventData) ->
pass: (form, eventData) ->