1
如果父對象無效,我正在寫入Ember.TextField
的擴展名來更改文本字段的類。我正在使用ember-validations library對我的ember-data對象進行驗證。我現在有這個工作,但我希望能夠做到這一點,而不必傳遞validationMethod
變量。我怎樣才能得到從視圖內傳遞到valueBinding
的文本字符串?獲取傳遞給Ember.TextField中的valueBinding的文本值(ember驗證)
address.js.coffee
App.Address = DS.Model.extend(Ember.Validations,
street_1: DS.attr('string')
street_2: DS.attr('string')
...
validations:
street_1:
presence: true
)
validated_text_field.js.coffee
Ember.ValidatedTextField = Ember.TextField.extend(
validationMethod: null
classNameBindings: 'error'
focusOut: ->
object = @get('controller').get('content')
object.validateProperty(@get('validationMethod'))
error: (->
object = @get('controller').get('content')
if object.get("isValid")
return false
else
error_keys = object.get("validationErrors." + @get('validationMethod') + ".keys")
if error_keys
return error_keys.length > 0
else
return false
).property('controller.content.isValid')
)
edit.handlebars
{{view Ember.ValidatedTextField validationMethod="street_1" valueBinding="street_1" id="street_1" placeholder="Street 1" required="true"}}
...