Index: polymer_1.0.4/bower_components/gold-cc-input/gold-cc-input.html |
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+<!-- |
+@license |
+Copyright (c) 2015 The Polymer Project Authors. All rights reserved. |
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt |
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt |
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt |
+Code distributed by Google as part of the polymer project is also |
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt |
+--> |
+<link rel="import" href="../polymer/polymer.html"> |
+<link rel="import" href="../iron-flex-layout/classes/iron-flex-layout.html"> |
+<link rel="import" href="../paper-input/paper-input-behavior.html"> |
+<link rel="import" href="../paper-input/paper-input-container.html"> |
+<link rel="import" href="../paper-input/paper-input-error.html"> |
+<link rel="import" href="../iron-input/iron-input.html"> |
+<link rel="import" href="../iron-form-element-behavior/iron-form-element-behavior.html"> |
+<link rel="import" href="../iron-icon/iron-icon.html"> |
+ |
+<script src="cc-validator.js"></script> |
+ |
+<!-- |
+`gold-cc-input` is a single-line text field with Material Design styling |
+for entering a credit card number. As the user types, the number will be |
+formatted by adding a space every 4 digits. |
+ |
+ <gold-cc-input></gold-cc-input> |
+ |
+It may include an optional label, which by default is "Card number". |
+ |
+ <gold-cc-input label="CC"></gold-cc-input> |
+ |
+### Validation |
+ |
+The input can detect whether a credit card number is valid, and the type |
+of credit card it is, using the Luhn checksum. See `http://jquerycreditcardvalidator.com/` |
+for more information. |
+ |
+The input can be automatically validated as the user is typing by using |
+the `auto-validate` and `required` attributes. For manual validation, the |
+element also has a `validate()` method, which returns the validity of the |
+input as well sets any appropriate error messages and styles. |
+ |
+See `Polymer.PaperInputBehavior` for more API docs. |
+ |
+### Styling |
+ |
+See `Polymer.PaperInputContainer` for a list of custom properties used to |
+style this element. |
+ |
+@group Gold Elements |
+@hero hero.svg |
+@demo demo/index.html |
+@class gold-cc-input |
+--> |
+ |
+<dom-module id="gold-cc-input"> |
+ <style> |
+ :host { |
+ display: block; |
+ } |
+ |
+ /* Use a container so that when hiding the icon, the layout doesn't jump around. */ |
+ .icon-container { |
+ margin-left: 10px; |
+ height: 27px; |
+ } |
+ |
+ iron-icon { |
+ --iron-icon-width: 40px; |
+ --iron-icon-height: 24px; |
+ } |
+ </style> |
+ |
+ <template> |
+ |
+ <paper-input-container id="container" |
+ disabled$="[[disabled]]" |
+ no-label-float="[[noLabelFloat]]" |
+ always-float-label="[[_computeAlwaysFloatLabel(alwaysFloatLabel,placeholder)]]" |
+ invalid="[[invalid]]"> |
+ |
+ <label hidden$="[[!label]]">[[label]]</label> |
+ |
+ <div class="horizontal layout"> |
+ <input is="iron-input" id="input" |
+ aria-labelledby$="[[_ariaLabelledBy]]" |
+ aria-describedby$="[[_ariaDescribedBy]]" |
+ bind-value="{{value}}" |
+ type="tel" |
+ maxlength="30" |
+ required$="[[required]]" |
+ allowed-pattern="[0-9 ]" |
+ prevent-invalid-input |
+ autocomplete="cc-number" |
+ name$="[[name]]" |
+ disabled$="[[disabled]]" |
+ invalid="{{invalid}}" |
+ autofocus$="[[autofocus]]" |
+ inputmode$="[[inputmode]]" |
+ placeholder$="[[placeholder]]" |
+ readonly$="[[readonly]]" |
+ size$="[[size]]"> |
+ <div class="icon-container"><iron-icon id="icon"></iron-icon></div> |
+ </div> |
+ |
+ <template is="dom-if" if="[[errorMessage]]"> |
+ <paper-input-error>[[errorMessage]]</paper-input-error> |
+ </template> |
+ |
+ </paper-input-container> |
+ </template> |
+ |
+</dom-module> |
+ |
+<script> |
+(function() { |
+ Polymer({ |
+ |
+ is: 'gold-cc-input', |
+ |
+ behaviors: [ |
+ Polymer.PaperInputBehavior, |
+ Polymer.IronValidatableBehavior, |
+ Polymer.IronFormElementBehavior |
+ ], |
+ |
+ properties: { |
+ /** |
+ * The label for this input. |
+ */ |
+ label: { |
+ type: String, |
+ value: "Card number" |
+ }, |
+ |
+ /** |
+ * The type of the credit card, if it is valid. Empty otherwise. |
+ */ |
+ cardType: { |
+ type: String, |
+ notify: true |
+ }, |
+ }, |
+ |
+ observers: [ |
+ '_computeValue(value)' |
+ ], |
+ |
+ _computeValue: function(value) { |
+ var start = this.$.input.selectionStart; |
+ var previousCharASpace = this.value.charAt(start - 1) == ' '; |
+ |
+ value = value.replace(/\s+/g, ''); |
+ var formattedValue = ''; |
+ for (var i = 0; i < value.length; i++) { |
+ // Add a space after every 4 characters. |
+ if ((i != 0) && (i % 4 == 0)) { |
+ formattedValue += ' '; |
+ } |
+ formattedValue += value[i]; |
+ } |
+ this.updateValueAndPreserveCaret(formattedValue.trim()); |
+ |
+ if (this.autoValidate) |
+ this.validate(); |
+ |
+ // If the character right before the selection is a newly inserted |
+ // space, we need to advance the selection to maintain the caret position. |
+ if (!previousCharASpace && this.value.charAt(start - 1) == ' ') { |
+ this.$.input.selectionStart = start+1; |
+ this.$.input.selectionEnd = start+1; |
+ } |
+ }, |
+ |
+ validate: function() { |
+ // Empty, non-required input is valid. |
+ if (!this.required && this.value == '') { |
+ return true; |
+ } |
+ |
+ var result = CreditCardValidator.validate(this.value); |
+ var valid = result.valid && result.length_valid; |
+ this.cardType = valid ? result.card_type.name : ''; |
+ |
+ // Update the container and its addons (i.e. the custom error-message). |
+ this.$.container.invalid = !valid; |
+ this.$.container.updateAddons({ |
+ inputElement: this.$.input, |
+ value: this.value, |
+ invalid: !valid |
+ }); |
+ |
+ // We don't have icons for all the card types. |
+ if (valid && result.card_type.icon) { |
+ this.$.icon.src = this.resolveUrl(result.card_type.icon); |
+ this.$.icon.alt = this.cardType; |
+ this.$.icon.hidden = false; |
+ } else { |
+ this.$.icon.src = null; |
+ this.$.icon.alt = ''; |
+ this.$.icon.hidden = true; |
+ } |
+ |
+ return valid; |
+ } |
+ }) |
+ |
+})(); |
+ |
+</script> |