Created
November 22, 2011 06:16
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Мой файл с биндингами для форм и немного сахара
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(function(){ | |
var ajaxBindings = function(){ | |
if(window.csrf) { | |
$('body').bind('ajaxSend', function(ev, xhr, s){ | |
if (s.type == 'POST') { | |
xhr.setRequestHeader('X-CSRF-Token', csrf); | |
} | |
}); | |
} | |
var parse = function(e){ | |
if(e.responseText) { // TODO check header | |
try { | |
var j = JSON.parse(e.responseText); | |
return j; | |
} catch(e) { | |
return false; | |
} | |
} | |
} | |
var error = function(x, e) { | |
if(e == 'parsererror') | |
return $.sticky('Ошибка парсинга ответа с сервера'); | |
if(e == 'timeout') | |
return $.sticky('Таймаут запроса'); | |
switch(e.status){ | |
case 0: | |
$.sticky('Нет соединения с сайтом'); | |
break; | |
case 403: | |
$.sticky('Доступ запрещён'); | |
break; | |
case 404: | |
$.sticky('Ресурс не найден'); | |
break; | |
case 413: | |
$.sticky('Слижком большое тело запроса'); | |
break; | |
case 500: | |
$.sticky('Ошибка на сервере'); | |
break; | |
default: | |
$.sticky('Неизвестная ошибка'); | |
} | |
} | |
var complete = function(x, e){ | |
var res = parse(e); | |
if(res.csrf) | |
csrf = res.csrf; | |
if(res.error) | |
if(typeof res.error == 'object') | |
for(var i in res.error) | |
$.sticky(res.error[i]); | |
else | |
$.sticky(res.error); | |
if(res.message) | |
$.sticky(res.message); | |
if(res.url) | |
location.href = res.url; | |
} | |
$(document).ajaxError(error).ajaxComplete(complete); | |
} | |
var ajaxForms = function(/* TODO translations */){ | |
var self = this; | |
$('form.ajax').each(function(i, form){ | |
var f = $(form) | |
, submit = f.find('input[type="submit"]'); | |
if($.fn.html5Uploader && f.hasClass('html5')){ | |
f.find('input[type="file"]').html5Uploader(); | |
} | |
submit.click(function(){ | |
var data = {}, errors = []; | |
f.find('[name]').each(function(i, input){ | |
var field = $(input) | |
, v = self._validate(field); | |
for(var i in v) { | |
if(typeof v[i] == 'object') | |
errors.push(v[i]); | |
} | |
if(errors.length > 0) | |
return false; | |
if(field.is('[type="file"]')) | |
return; // continue | |
var name = field.attr('name') | |
, val = field.val(); | |
data[name] = val; | |
}); | |
if(errors.length > 0) { | |
self._displayErrors(errors); | |
return false; | |
} | |
if(!data.csrf) | |
data.csrf = csrf; | |
$.ajax({ | |
url: f.attr('action'), | |
type: f.attr('method'), | |
context: f, | |
data: data, | |
success: function(res){ | |
if(!res.error){ | |
for(var i in data){ | |
f.find('*[name="'+i+'"]').val(''); | |
} | |
f.trigger('res', res); | |
} | |
} | |
}); | |
return false; | |
}) | |
}); | |
} | |
ajaxForms.prototype._validate = function(field){ | |
var classes = field.attr('class'); | |
if(!classes) | |
return true; | |
classes = classes.split(/\s/g); | |
var result = []; | |
for(var i in classes){ | |
if(this[classes[i]] instanceof Function) | |
result.push(this[classes[i]](field)); | |
} | |
return result; | |
} | |
ajaxForms.prototype._displayErrors = function(errors){ | |
for(var i in errors){ | |
$.sticky(errors[i].error); | |
} | |
} | |
ajaxForms.prototype._getLabelOf = function(field){ | |
var id = field.attr('id'); | |
if(!id) | |
return ''; | |
var label = field.closest('form.ajax').find('label[for="' + id + '"]'); | |
if(!label) | |
return ''; | |
return label.text(); | |
} | |
ajaxForms.prototype.required = function(field){ | |
if(!field.val()) { | |
var label = this._getLabelOf(field); | |
return { error: 'Поле "' + label + '" не заполнено' }; | |
} | |
return true; | |
} | |
var toggler = function(){ | |
var el = $('.toggle') | |
, parent = el.parent() | |
, target = parent.find('.hidden'); | |
el.click(function(){ | |
target.toggleClass('hidden'); | |
}); | |
} | |
$(document).ready(ajaxBindings).ready(function(){ new ajaxForms(); }).ready(toggler); | |
})(); |
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