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| @ngdoc overview | ||
| @name angular.inputType | ||
| @description | ||
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| Angular {@link guide/dev_guide.forms forms} allow you to build complex widgets. However for | ||
| simple widget which are based on HTML input text element a simpler way of providing the validation | ||
| and parsing is also provided. `angular.inputType` is a short hand for creating a widget which | ||
| already has the DOM listeners and `$render` method supplied. The only thing which needs to | ||
| be provided by the developer are the optional `$validate` listener and | ||
| `$parseModel` or `$parseModel` methods. | ||
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| All `inputType` widgets support: | ||
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| - CSS classes: | ||
| - **`ng-valid`**: when widget is valid. | ||
| - **`ng-invalid`**: when widget is invalid. | ||
| - **`ng-pristine`**: when widget has not been modified by user action. | ||
| - **`ng-dirty`**: when has been modified do to user action. | ||
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| - Widget properties: | ||
| - **`$valid`**: When widget is valid. | ||
| - **`$invalid`**: When widget is invalid. | ||
| - **`$pristine`**: When widget has not been modified by user interaction. | ||
| - **`$dirty`**: When user has been modified do to user interaction. | ||
| - **`$required`**: When the `<input>` element has `required` attribute. This means that the | ||
| widget will have `REQUIRED` validation error if empty. | ||
| - **`$disabled`**: When the `<input>` element has `disabled` attribute. | ||
| - **`$readonly`**: When the `<input>` element has `readonly` attribute. | ||
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| - Widget Attribute Validators: | ||
| - **`required`**: Sets `REQUIRED` validation error key if the input is empty | ||
| - **`ng:pattern`** Sets `PATTERN` validation error key if the value does not match the | ||
| RegExp pattern expression. Expected value is `/regexp/` for inline patterns or `regexp` for | ||
| patterns defined as scope expressions. | ||
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| # Example | ||
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| <doc:example> | ||
| <doc:source> | ||
| <script> | ||
| angular.inputType('json', function(){ | ||
| this.$parseView = function(){ | ||
| try { | ||
| this.$modelValue = angular.fromJson(this.$viewValue); | ||
| if (this.$error.JSON) { | ||
| this.$emit('$valid', 'JSON'); | ||
| } | ||
| } catch (e) { | ||
| this.$emit('$invalid', 'JSON'); | ||
| } | ||
| } | ||
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| this.$parseModel = function(){ | ||
| this.$viewValue = angular.toJson(this.$modelValue); | ||
| } | ||
| }); | ||
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| function Ctrl(){ | ||
| this.data = { | ||
| framework:'angular', | ||
| codenames:'supper-powers' | ||
| } | ||
| this.required = false; | ||
| this.disabled = false; | ||
| this.readonly = false; | ||
| } | ||
| </script> | ||
| <div ng:controller="Ctrl"> | ||
| <form name="myForm"> | ||
| <input type="json" ng:model="data" size="80" | ||
| ng:required="{{required}}" ng:disabled="{{disabled}}" | ||
| ng:readonly="{{readonly}}"/><br/> | ||
| Required: <input type="checkbox" ng:model="required"> <br/> | ||
| Disabled: <input type="checkbox" ng:model="disabled"> <br/> | ||
| Readonly: <input type="checkbox" ng:model="readonly"> <br/> | ||
| <pre>data={{data}}</pre> | ||
| <pre>myForm={{myForm}}</pre> | ||
| </form> | ||
| </div> | ||
| </doc:source> | ||
| <doc:scenario> | ||
| it('should invalidate on wrong input', function(){ | ||
| expect(element('form[name=myForm]').prop('className')).toMatch('ng-valid'); | ||
| input('data').enter('{}'); | ||
| expect(binding('data')).toEqual('data={\n }'); | ||
| input('data').enter('{'); | ||
| expect(element('form[name=myForm]').prop('className')).toMatch('ng-invalid'); | ||
| }); | ||
| </doc:scenario> | ||
| </doc:example> |
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