Created
October 15, 2015 21:48
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AngularJS 1.3 directive to automatically handle validation messages with Bootstrap
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<form name="loginForm" no-validate ng-submit="loginForm.$valid && login()"> | |
<form-group> | |
<label for="username">Username</label> | |
<input type="text" id="username" name="username" required> | |
</form-group> | |
<form-group> | |
<label for="password">Password</label> | |
<input type="password" id="password" name="password" required> | |
</form-group> | |
<button type="submit">Login</button> | |
</form> |
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function formGroup ($compile) { | |
return { | |
restrict: 'E', | |
require: '^form', | |
transclude: true, | |
replace: true, | |
template: '<div class="form-group" ng-transclude></div>', | |
link: function (scope, iElement, iAttrs, formCtrl) { | |
// Apply styles | |
iElement.querySelectorAll('label').addClass('control-label'); | |
iElement.querySelectorAll('input, select, textarea').addClass('form-control'); | |
// Handle errors if needed | |
var inputName = iElement.querySelectorAll('[name]').attr('name'); | |
if (inputName !== undefined) { | |
var ngMessages = $compile('<div ng-if="'+formCtrl.$name+'.$submitted" ng-messages="'+formCtrl.$name+'.'+inputName+'.$error" ng-messages-include="validation-messages.html"></div>')(scope); | |
iElement.append(ngMessages); | |
scope.$watch(function() { | |
return formCtrl.$submitted && formCtrl[inputName].$invalid; | |
}, function (invalid) { | |
iElement.toggleClass('has-error', invalid); | |
}); | |
} | |
} | |
}; | |
}; |
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<div class="help-block" ng-message="required">This field is required</div> | |
<div class="help-block" ng-message="date">The date format is invalid</div> |
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