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| 1 <!-- | |
| 2 @license | |
| 3 Copyright (c) 2015 The Polymer Project Authors. All rights reserved. | |
| 4 This code may only be used under the BSD style license found at http://polymer.g
ithub.io/LICENSE.txt | |
| 5 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt | |
| 6 The complete set of contributors may be found at http://polymer.github.io/CONTRI
BUTORS.txt | |
| 7 Code distributed by Google as part of the polymer project is also | |
| 8 subject to an additional IP rights grant found at http://polymer.github.io/PATEN
TS.txt | |
| 9 --> | |
| 10 | |
| 11 <link rel="import" href="../polymer/polymer.html"> | |
| 12 <link rel="import" href="../iron-meta/iron-meta.html"> | |
| 13 | |
| 14 <script> | |
| 15 | |
| 16 /** | |
| 17 * Use `Polymer.IronValidatableBehavior` to implement an element that validate
s user input. | |
| 18 * | |
| 19 * ### Accessiblity | |
| 20 * | |
| 21 * Changing the `invalid` property, either manually or by calling `validate()`
will update the | |
| 22 * `aria-invalid` attribute. | |
| 23 * | |
| 24 * @demo demo/index.html | |
| 25 * @polymerBehavior | |
| 26 */ | |
| 27 Polymer.IronValidatableBehavior = { | |
| 28 | |
| 29 properties: { | |
| 30 | |
| 31 /** | |
| 32 * Namespace for this validator. | |
| 33 */ | |
| 34 validatorType: { | |
| 35 type: String, | |
| 36 value: 'validator' | |
| 37 }, | |
| 38 | |
| 39 /** | |
| 40 * Name of the validator to use. | |
| 41 */ | |
| 42 validator: { | |
| 43 type: String | |
| 44 }, | |
| 45 | |
| 46 /** | |
| 47 * True if the last call to `validate` is invalid. | |
| 48 */ | |
| 49 invalid: { | |
| 50 notify: true, | |
| 51 reflectToAttribute: true, | |
| 52 type: Boolean, | |
| 53 value: false | |
| 54 }, | |
| 55 | |
| 56 _validatorMeta: { | |
| 57 type: Object | |
| 58 } | |
| 59 | |
| 60 }, | |
| 61 | |
| 62 observers: [ | |
| 63 '_invalidChanged(invalid)' | |
| 64 ], | |
| 65 | |
| 66 get _validator() { | |
| 67 return this._validatorMeta && this._validatorMeta.byKey(this.validator); | |
| 68 }, | |
| 69 | |
| 70 ready: function() { | |
| 71 this._validatorMeta = new Polymer.IronMeta({type: this.validatorType}); | |
| 72 }, | |
| 73 | |
| 74 _invalidChanged: function() { | |
| 75 if (this.invalid) { | |
| 76 this.setAttribute('aria-invalid', 'true'); | |
| 77 } else { | |
| 78 this.removeAttribute('aria-invalid'); | |
| 79 } | |
| 80 }, | |
| 81 | |
| 82 /** | |
| 83 * @return {boolean} True if the validator `validator` exists. | |
| 84 */ | |
| 85 hasValidator: function() { | |
| 86 return this._validator != null; | |
| 87 }, | |
| 88 | |
| 89 /** | |
| 90 * @param {Object} values Passed to the validator's `validate()` function. | |
| 91 * @return {boolean} True if `values` is valid. | |
| 92 */ | |
| 93 validate: function(values) { | |
| 94 var valid = true; | |
| 95 if (this.hasValidator()) { | |
| 96 valid = this._validator.validate(values); | |
| 97 } | |
| 98 | |
| 99 this.invalid = !valid; | |
| 100 return valid; | |
| 101 } | |
| 102 | |
| 103 }; | |
| 104 | |
| 105 </script> | |
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Chromium Code Reviews
Issue 1269803005:
Remove third_party/polymer from .gitignore (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master