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| 1 | +// Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 | +// Use of this source code is governed by a BSD-style license that can be |
| 3 | +// found in the LICENSE file. |
| 4 | + |
| 5 | +/** |
| 6 | + * @fileoverview |
| 7 | + * `cr-radio-group` wraps a radio-group and set of radio-buttons that control |
| 8 | + * a supplied preference. |
| 9 | + * |
| 10 | + * Example: |
| 11 | + * <cr-settings-radio-group pref="{{prefs.settings.foo}}" |
| 12 | + * label="Foo Options." buttons="{{fooOptionsList}}"> |
| 13 | + * </cr-settings-radio-group> |
| 14 | + * |
| 15 | + * @element cr-settings-radio-group |
| 16 | + */ |
| 17 | +Polymer({ |
| 18 | + is: 'cr-settings-radio-group', |
| 19 | + |
| 20 | + properties: { |
| 21 | + /** |
| 22 | + * The preference object to control. |
| 23 | + * @type {chrome.settingsPrivate.PrefObject|undefined} |
| 24 | + */ |
| 25 | + pref: { |
| 26 | + type: Object, |
| 27 | + notify: true, |
| 28 | + observer: 'prefChanged_' |
| 29 | + }, |
| 30 | + |
| 31 | + /** |
| 32 | + * IronSelectableBehavior selected attribute |
| 33 | + */ |
| 34 | + selected: { |
| 35 | + type: String, |
| 36 | + observer: 'selectedChanged_' |
| 37 | + }, |
| 38 | + }, |
| 39 | + |
| 40 | + /** @private */ |
| 41 | + prefChanged_: function() { |
| 42 | + if (!this.pref) |
| 43 | + return; |
| 44 | + if (this.pref.type == chrome.settingsPrivate.PrefType.NUMBER || |
| 45 | + this.pref.type == chrome.settingsPrivate.PrefType.BOOLEAN) { |
| 46 | + this.selected = this.pref.value.toString(); |
| 47 | + } else { |
| 48 | + assert(this.pref.type != chrome.settingsPrivate.PrefType.LIST); |
| 49 | + this.selected = /** @type {string} */(this.pref.value); |
| 50 | + } |
| 51 | + }, |
| 52 | + |
| 53 | + /** @private */ |
| 54 | + selectedChanged_: function() { |
| 55 | + if (!this.pref) |
| 56 | + return; |
| 57 | + if (this.pref.type == chrome.settingsPrivate.PrefType.NUMBER) { |
| 58 | + var n = parseInt(this.selected, 10); |
| 59 | + if (isNaN(n)) { |
| 60 | + console.error('Bad selected name for numerical pref: ' + this.selected); |
| 61 | + return; |
| 62 | + } |
| 63 | + this.set('pref.value', n); |
| 64 | + } else if (this.pref.type == chrome.settingsPrivate.PrefType.BOOLEAN) { |
| 65 | + this.set('pref.value', this.selected == 'true'); |
| 66 | + } else { |
| 67 | + assert(this.pref.type != chrome.settingsPrivate.PrefType.LIST); |
| 68 | + this.set('pref.value', this.selected); |
| 69 | + } |
| 70 | + }, |
| 71 | +}); |
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