You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
400 lines
13 KiB
400 lines
13 KiB
/** |
|
* Yii form widget. |
|
* |
|
* This is the JavaScript widget used by the yii\widgets\ActiveForm widget. |
|
* |
|
* @link http://www.yiiframework.com/ |
|
* @copyright Copyright (c) 2008 Yii Software LLC |
|
* @license http://www.yiiframework.com/license/ |
|
* @author Qiang Xue <qiang.xue@gmail.com> |
|
* @since 2.0 |
|
*/ |
|
(function ($) { |
|
|
|
$.fn.yiiActiveForm = function (method) { |
|
if (methods[method]) { |
|
return methods[method].apply(this, Array.prototype.slice.call(arguments, 1)); |
|
} else if (typeof method === 'object' || !method) { |
|
return methods.init.apply(this, arguments); |
|
} else { |
|
$.error('Method ' + method + ' does not exist on jQuery.yiiActiveForm'); |
|
return false; |
|
} |
|
}; |
|
|
|
var defaults = { |
|
// the jQuery selector for the error summary |
|
errorSummary: undefined, |
|
// whether to perform validation before submitting the form. |
|
validateOnSubmit: true, |
|
// the container CSS class representing the corresponding attribute has validation error |
|
errorCssClass: 'error', |
|
// the container CSS class representing the corresponding attribute passes validation |
|
successCssClass: 'success', |
|
// the container CSS class representing the corresponding attribute is being validated |
|
validatingCssClass: 'validating', |
|
// the URL for performing AJAX-based validation. If not set, it will use the the form's action |
|
validationUrl: undefined, |
|
// a callback that is called before submitting the form. The signature of the callback should be: |
|
// function ($form) { ...return false to cancel submission...} |
|
beforeSubmit: undefined, |
|
// a callback that is called before validating each attribute. The signature of the callback should be: |
|
// function ($form, attribute, messages) { ...return false to cancel the validation...} |
|
beforeValidate: undefined, |
|
// a callback that is called after an attribute is validated. The signature of the callback should be: |
|
// function ($form, attribute, messages) |
|
afterValidate: undefined, |
|
// the GET parameter name indicating an AJAX-based validation |
|
ajaxVar: 'ajax' |
|
}; |
|
|
|
var attributeDefaults = { |
|
// attribute name or expression (e.g. "[0]content" for tabular input) |
|
name: undefined, |
|
// the jQuery selector of the container of the input field |
|
container: undefined, |
|
// the jQuery selector of the input field |
|
input: undefined, |
|
// the jQuery selector of the error tag |
|
error: undefined, |
|
// whether to perform validation when a change is detected on the input |
|
validateOnChange: false, |
|
// whether to perform validation when the user is typing. |
|
validateOnType: false, |
|
// number of milliseconds that the validation should be delayed when a user is typing in the input field. |
|
validationDelay: 200, |
|
// whether to enable AJAX-based validation. |
|
enableAjaxValidation: false, |
|
// function (attribute, value, messages), the client-side validation function. |
|
validate: undefined, |
|
// status of the input field, 0: empty, not entered before, 1: validated, 2: pending validation, 3: validating |
|
status: 0, |
|
// the value of the input |
|
value: undefined |
|
}; |
|
|
|
var methods = { |
|
init: function (attributes, options) { |
|
return this.each(function () { |
|
var $form = $(this); |
|
if ($form.data('yiiActiveForm')) { |
|
return; |
|
} |
|
|
|
var settings = $.extend({}, defaults, options || {}); |
|
if (settings.validationUrl === undefined) { |
|
settings.validationUrl = $form.prop('action'); |
|
} |
|
$.each(attributes, function (i) { |
|
attributes[i] = $.extend({value: getValue($form, this)}, attributeDefaults, this); |
|
}); |
|
$form.data('yiiActiveForm', { |
|
settings: settings, |
|
attributes: attributes, |
|
submitting: false, |
|
validated: false |
|
}); |
|
|
|
watchAttributes($form, attributes); |
|
|
|
/** |
|
* Clean up error status when the form is reset. |
|
* Note that $form.on('reset', ...) does work because the "reset" event does not bubble on IE. |
|
*/ |
|
$form.bind('reset.yiiActiveForm', methods.resetForm); |
|
|
|
if (settings.validateOnSubmit) { |
|
$form.on('mouseup.yiiActiveForm keyup.yiiActiveForm', ':submit', function () { |
|
$form.data('yiiActiveForm').submitObject = $(this); |
|
}); |
|
$form.on('submit', methods.submitForm); |
|
} |
|
}); |
|
}, |
|
|
|
destroy: function () { |
|
return this.each(function () { |
|
$(window).unbind('.yiiActiveForm'); |
|
$(this).removeData('yiiActiveForm'); |
|
}); |
|
}, |
|
|
|
data: function() { |
|
return this.data('yiiActiveForm'); |
|
}, |
|
|
|
submitForm: function () { |
|
var $form = $(this), |
|
data = $form.data('yiiActiveForm'); |
|
if (data.validated) { |
|
// continue submitting the form since validation passes |
|
return true; |
|
} |
|
|
|
if (data.settings.timer !== undefined) { |
|
clearTimeout(data.settings.timer); |
|
} |
|
data.submitting = true; |
|
if (!data.settings.beforeSubmit || data.settings.beforeSubmit($form)) { |
|
validate($form, function (messages) { |
|
var errors = []; |
|
$.each(data.attributes, function () { |
|
if (updateInput($form, this, messages)) { |
|
errors.push(this.input); |
|
} |
|
}); |
|
updateSummary($form, messages); |
|
if (errors.length) { |
|
var top = $form.find(errors.join(',')).first().offset().top; |
|
var wtop = $(window).scrollTop(); |
|
if (top < wtop || top > wtop + $(window).height) { |
|
$(window).scrollTop(top); |
|
} |
|
} else { |
|
data.validated = true; |
|
var $button = data.submitObject || $form.find(':submit:first'); |
|
// TODO: if the submission is caused by "change" event, it will not work |
|
if ($button.length) { |
|
$button.click(); |
|
} else { |
|
// no submit button in the form |
|
$form.submit(); |
|
} |
|
return; |
|
} |
|
data.submitting = false; |
|
}, function () { |
|
data.submitting = false; |
|
}); |
|
} else { |
|
data.submitting = false; |
|
} |
|
return false; |
|
}, |
|
|
|
resetForm: function () { |
|
var $form = $(this); |
|
var data = $form.data('yiiActiveForm'); |
|
// Because we bind directly to a form reset event instead of a reset button (that may not exist), |
|
// when this function is executed form input values have not been reset yet. |
|
// Therefore we do the actual reset work through setTimeout. |
|
setTimeout(function () { |
|
$.each(data.attributes, function () { |
|
// Without setTimeout() we would get the input values that are not reset yet. |
|
this.value = getValue($form, this); |
|
this.status = 0; |
|
var $container = $form.find(this.container); |
|
$container.removeClass( |
|
data.settings.validatingCssClass + ' ' + |
|
data.settings.errorCssClass + ' ' + |
|
data.settings.successCssClass |
|
); |
|
$container.find(this.error).html(''); |
|
}); |
|
$form.find(data.settings.summary).hide().find('ul').html(''); |
|
}, 1); |
|
} |
|
}; |
|
|
|
var watchAttributes = function ($form, attributes) { |
|
$.each(attributes, function (i, attribute) { |
|
var $input = findInput($form, attribute); |
|
if (attribute.validateOnChange) { |
|
$input.on('change.yiiActiveForm', function () { |
|
validateAttribute($form, attribute, false); |
|
}).on('blur.yiiActiveForm', function () { |
|
if (attribute.status == 0 || attribute.status == 1) { |
|
validateAttribute($form, attribute, !attribute.status); |
|
} |
|
}); |
|
} |
|
if (attribute.validateOnType) { |
|
$input.on('keyup.yiiActiveForm', function () { |
|
if (attribute.value !== getValue($form, attribute)) { |
|
validateAttribute($form, attribute, false); |
|
} |
|
}); |
|
} |
|
}); |
|
}; |
|
|
|
var validateAttribute = function ($form, attribute, forceValidate) { |
|
var data = $form.data('yiiActiveForm'); |
|
|
|
if (forceValidate) { |
|
attribute.status = 2; |
|
} |
|
$.each(data.attributes, function () { |
|
if (this.value !== getValue($form, this)) { |
|
this.status = 2; |
|
forceValidate = true; |
|
} |
|
}); |
|
if (!forceValidate) { |
|
return; |
|
} |
|
|
|
if (data.settings.timer !== undefined) { |
|
clearTimeout(data.settings.timer); |
|
} |
|
data.settings.timer = setTimeout(function () { |
|
if (data.submitting || $form.is(':hidden')) { |
|
return; |
|
} |
|
$.each(data.attributes, function () { |
|
if (this.status === 2) { |
|
this.status = 3; |
|
$form.find(this.container).addClass(data.settings.validatingCssClass); |
|
} |
|
}); |
|
validate($form, function (messages) { |
|
var hasError = false; |
|
$.each(data.attributes, function () { |
|
if (this.status === 2 || this.status === 3) { |
|
hasError = updateInput($form, this, messages) || hasError; |
|
} |
|
}); |
|
}); |
|
}, data.settings.validationDelay); |
|
}; |
|
|
|
/** |
|
* Performs validation. |
|
* @param $form jQuery the jquery representation of the form |
|
* @param successCallback function the function to be invoked if the validation completes |
|
* @param errorCallback function the function to be invoked if the ajax validation request fails |
|
*/ |
|
var validate = function ($form, successCallback, errorCallback) { |
|
var data = $form.data('yiiActiveForm'), |
|
needAjaxValidation = false, |
|
messages = {}; |
|
|
|
$.each(data.attributes, function () { |
|
if (data.submitting || this.status === 2 || this.status === 3) { |
|
var msg = []; |
|
if (!data.settings.beforeValidate || data.settings.beforeValidate($form, this, msg)) { |
|
if (this.validate) { |
|
this.validate(this, getValue($form, this), msg); |
|
} |
|
if (msg.length) { |
|
messages[this.name] = msg; |
|
} else if (this.enableAjaxValidation) { |
|
needAjaxValidation = true; |
|
} |
|
} |
|
} |
|
}); |
|
|
|
if (needAjaxValidation && (!data.submitting || $.isEmptyObject(messages))) { |
|
// Perform ajax validation when at least one input needs it. |
|
// If the validation is triggered by form submission, ajax validation |
|
// should be done only when all inputs pass client validation |
|
var $button = data.submitObject, |
|
extData = '&' + data.settings.ajaxVar + '=' + $form.prop('id'); |
|
if ($button && $button.length && $button.prop('name')) { |
|
extData += '&' + $button.prop('name') + '=' + $button.prop('value'); |
|
} |
|
$.ajax({ |
|
url: data.settings.validationUrl, |
|
type: $form.prop('method'), |
|
data: $form.serialize() + extData, |
|
dataType: 'json', |
|
success: function (msgs) { |
|
if (msgs !== null && typeof msgs === 'object') { |
|
$.each(data.attributes, function () { |
|
if (!this.enableAjaxValidation) { |
|
delete msgs[this.name]; |
|
} |
|
}); |
|
successCallback($.extend({}, messages, msgs)); |
|
} else { |
|
successCallback(messages); |
|
} |
|
}, |
|
error: errorCallback |
|
}); |
|
} else if (data.submitting) { |
|
// delay callback so that the form can be submitted without problem |
|
setTimeout(function () { |
|
successCallback(messages); |
|
}, 200); |
|
} else { |
|
successCallback(messages); |
|
} |
|
}; |
|
|
|
/** |
|
* Updates the error message and the input container for a particular attribute. |
|
* @param $form the form jQuery object |
|
* @param attribute object the configuration for a particular attribute. |
|
* @param messages array the validation error messages |
|
* @return boolean whether there is a validation error for the specified attribute |
|
*/ |
|
var updateInput = function ($form, attribute, messages) { |
|
var data = $form.data('yiiActiveForm'), |
|
$input = findInput($form, attribute), |
|
hasError = false; |
|
|
|
if (data.settings.afterValidate) { |
|
data.settings.afterValidate($form, attribute, messages); |
|
} |
|
attribute.status = 1; |
|
if ($input.length) { |
|
hasError = messages && $.isArray(messages[attribute.name]) && messages[attribute.name].length; |
|
var $container = $form.find(attribute.container); |
|
var $error = $container.find(attribute.error); |
|
if (hasError) { |
|
$error.text(messages[attribute.name][0]); |
|
$container.removeClass(data.settings.validatingCssClass + ' ' + data.settings.successCssClass) |
|
.addClass(data.settings.errorCssClass); |
|
} else { |
|
$error.html(''); |
|
$container.removeClass(data.settings.validatingCssClass + ' ' + data.settings.errorCssClass + ' ') |
|
.addClass(data.settings.successCssClass); |
|
} |
|
attribute.value = getValue($form, attribute); |
|
} |
|
return hasError; |
|
}; |
|
|
|
/** |
|
* Updates the error summary. |
|
* @param $form the form jQuery object |
|
* @param messages array the validation error messages |
|
*/ |
|
var updateSummary = function ($form, messages) { |
|
var data = $form.data('yiiActiveForm'), |
|
$summary = $form.find(data.settings.errorSummary), |
|
content = ''; |
|
|
|
if ($summary.length && messages) { |
|
$.each(data.attributes, function () { |
|
if ($.isArray(messages[this.name]) && messages[this.name].length) { |
|
content += '<li>' + messages[this.name][0] + '</li>'; |
|
} |
|
}); |
|
$summary.toggle(content !== '').find('ul').html(content); |
|
} |
|
}; |
|
|
|
var getValue = function ($form, attribute) { |
|
var $input = findInput($form, attribute); |
|
var type = $input.prop('type'); |
|
if (type === 'checkbox' || type === 'radio') { |
|
return $input.filter(':checked').val(); |
|
} else { |
|
return $input.val(); |
|
} |
|
}; |
|
|
|
var findInput = function ($form, attribute) { |
|
var $input = $form.find(attribute.input); |
|
if ($input.length && $input[0].tagName.toLowerCase() === 'div') { |
|
// checkbox list or radio list |
|
return $input.find('input'); |
|
} else { |
|
return $input; |
|
} |
|
}; |
|
|
|
})(window.jQuery);
|
|
|