Last active
December 10, 2015 23:08
-
-
Save uestla/4507336 to your computer and use it in GitHub Desktop.
Nette+jQuery live form validation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
(function ($, window) { | |
if (!window.Nette) { | |
console.log('Error: Nette form validation not loaded.'); | |
return ; | |
} | |
var live; | |
window.live = live = { | |
orig: { | |
validateControl: window.Nette.validateControl, | |
initForm: window.Nette.initForm | |
}, | |
events: { | |
'afterValidate': [] | |
}, | |
on: function (name, callback) { | |
this.events[name].push( callback ); | |
return this; | |
}, | |
fire: function (name) { | |
var args = Array.prototype.slice.call( arguments ); | |
args.shift(); | |
$.each(this.events[name], function (key, val) { | |
val.apply(null, args); | |
}); | |
return this; | |
}, | |
removeError: function (elem) { | |
elem.removeClass('error').next('p.error').remove(); | |
return this; | |
}, | |
createErrorElement: function (message) { | |
return $('<p>', { | |
'class': 'error', | |
'text': message | |
}); | |
}, | |
timeout: null | |
}; | |
window.Nette.addError = function (elem, message) { | |
$(elem).addClass('error').after( live.createErrorElement(message) ); | |
}; | |
window.Nette.validateControl = function(elem, rules, onlyCheck) { | |
var jQel = $(elem); | |
!onlyCheck && live.removeError( jQel ); | |
var valid = live.orig.validateControl(elem, rules, onlyCheck); | |
!valid && jQel.closest('form').data('nette-valid', false); | |
return valid; | |
}; | |
window.Nette.validateForm = function (sender, onlyCheck) { | |
onlyCheck = onlyCheck || false; | |
var form = sender.form || sender, valid = true; | |
if (!form['nette-submittedBy'] || form['nette-submittedBy'].getAttribute('formnovalidate') === null) { | |
for (var i = 0; i < form.elements.length; i++) { | |
var elem = form.elements[i]; | |
if (!(elem.nodeName.toLowerCase() in {input: 1, select: 1, textarea: 1}) || | |
(elem.type in {hidden: 1, submit: 1, image: 1, reset: 1}) || | |
elem.disabled || elem.readonly | |
) { | |
continue; | |
} | |
if ($(elem).hasClass('err') || !window.Nette.validateControl(elem, null, onlyCheck)) { | |
valid = false; | |
} | |
} | |
} | |
var jQform = $(form); | |
jQform.data('nette-valid', valid); | |
live.fire( 'afterValidate', jQform ); | |
return valid; | |
}; | |
window.Nette.initForm = function (form) { | |
live.orig.initForm( form ); | |
var handler = function (event) { | |
window.Nette.validateControl( event.target ); | |
window.Nette.validateForm( form, true ); | |
}; | |
for (var i = 0; i < form.elements.length; i++) { | |
$(form.elements[i]).on('change.live blur.live', handler) | |
.on('keydown.live', function (event) { | |
live.timeout && window.clearTimeout( live.timeout ); | |
live.removeError( el ); | |
}) | |
.on('keyup.live', function (event) { | |
live.timeout = window.setTimeout( function () { handler(event); }, 320 ); | |
}); | |
} | |
}; | |
})(jQuery, window); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment