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December 23, 2015 18:18
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Plunk demonstrating a fix to render invalid values in a <input/> element; this effectively fixes AngularJS issue #1412 (= "input not showing invalid model values")
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| angular.module('plunker', ['jdFixInvalidValueFormatting']); |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <link rel="stylesheet" href="style.css" /> | |
| <script data-require="[email protected]" src="http://code.angularjs.org/1.2.1/angular.js" data-semver="1.2.1"></script> | |
| <script src="jdFixInvalidValueFormatting.js"></script> | |
| <script src="app.js"></script> | |
| </head> | |
| <body ng-app="plunker"> | |
| <div ng-init="letters='1'"> | |
| letters = {{'' + letters}}<br> | |
| <input type="text" ng-model="letters" ng-pattern="/^[a-zA-Z]*$/" /> | |
| </div> | |
| </body> | |
| </html> |
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| angular.module('jdFixInvalidValueFormatting', []) | |
| .directive('input', function() { | |
| return { | |
| require: '?ngModel', | |
| restrict: 'E', | |
| link: function($scope, $element, $attrs, ngModelController) { | |
| var inputType = angular.lowercase($attrs.type); | |
| if (!ngModelController || inputType === 'radio' || | |
| inputType === 'checkbox') { | |
| return; | |
| } | |
| ngModelController.$formatters.unshift(function(value) { | |
| if (ngModelController.$invalid && angular.isUndefined(value) | |
| && typeof ngModelController.$modelValue === 'string') { | |
| return ngModelController.$modelValue; | |
| } else { | |
| return value; | |
| } | |
| }); | |
| } | |
| }; | |
| }); |
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| input.ng-invalid:focus { | |
| border-color: #E9322D; | |
| box-shadow: 0 0 6px #F8B9B7; | |
| } | |
| input.ng-invalid:not(:focus) { | |
| background-color: #FA787E; | |
| } | |
| input.ng-pristine.ng-invalid-required { | |
| background-color: white; | |
| } |
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