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diff --git a/catapult/third_party/polymer/components/paper-radio-button/paper-radio-button.html b/catapult/third_party/polymer/components/paper-radio-button/paper-radio-button.html new file mode 100644 index 00000000..1e630900 --- /dev/null +++ b/catapult/third_party/polymer/components/paper-radio-button/paper-radio-button.html @@ -0,0 +1,247 @@ +<!-- +@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="../paper-behaviors/paper-checked-element-behavior.html"> +<link rel="import" href="../paper-styles/default-theme.html"> +<link rel="import" href="../iron-flex-layout/iron-flex-layout.html"> + +<!-- +Material design: [Radio button](https://www.google.com/design/spec/components/selection-controls.html#selection-controls-radio-button) + +`paper-radio-button` is a button that can be either checked or unchecked. +User can tap the radio button to check or uncheck it. + +Use a `<paper-radio-group>` to group a set of radio buttons. When radio buttons +are inside a radio group, exactly one radio button in the group can be checked +at any time. + +Example: + + <paper-radio-button></paper-radio-button> + <paper-radio-button>Item label</paper-radio-button> + +### Styling + +The following custom properties and mixins are available for styling: + +Custom property | Description | Default +----------------|-------------|---------- +`--paper-radio-button-unchecked-background-color` | Radio button background color when the input is not checked | `transparent` +`--paper-radio-button-unchecked-color` | Radio button color when the input is not checked | `--primary-text-color` +`--paper-radio-button-unchecked-ink-color` | Selected/focus ripple color when the input is not checked | `--primary-text-color` +`--paper-radio-button-checked-color` | Radio button color when the input is checked | `--primary-color` +`--paper-radio-button-checked-ink-color` | Selected/focus ripple color when the input is checked | `--primary-color` +`--paper-radio-button-size` | Size of the radio button | `16px` +`--paper-radio-button-ink-size` | Size of the ripple | `48px` +`--paper-radio-button-label-color` | Label color | `--primary-text-color` +`--paper-radio-button-label-spacing` | Spacing between the label and the button | `10px` +`--paper-radio-button-radio-container` | A mixin applied to the internal radio container | `{}` +`--paper-radio-button-label` | A mixin applied to the internal label | `{}` +`--paper-radio-button-label-checked` | A mixin applied to the internal label when the radio button is checked | `{}` + +This element applies the mixin `--paper-font-common-base` but does not import `paper-styles/typography.html`. +In order to apply the `Roboto` font to this element, make sure you've imported `paper-styles/typography.html`. + +@group Paper Elements +@element paper-radio-button +@hero hero.svg +@demo demo/index.html +--> + +<dom-module id="paper-radio-button"> + <template strip-whitespace> + <style> + :host { + display: inline-block; + line-height: 0; + white-space: nowrap; + cursor: pointer; + @apply(--paper-font-common-base); + --calculated-paper-radio-button-size: var(--paper-radio-button-size, 16px); + /* -1px is a sentinel for the default and is replace in `attached`. */ + --calculated-paper-radio-button-ink-size: var(--paper-radio-button-ink-size, -1px); + } + + :host(:focus) { + outline: none; + } + + #radioContainer { + @apply(--layout-inline); + @apply(--layout-center-center); + position: relative; + width: var(--calculated-paper-radio-button-size); + height: var(--calculated-paper-radio-button-size); + vertical-align: middle; + + @apply(--paper-radio-button-radio-container); + } + + #ink { + position: absolute; + top: 50%; + left: 50%; + right: auto; + width: var(--calculated-paper-radio-button-ink-size); + height: var(--calculated-paper-radio-button-ink-size); + color: var(--paper-radio-button-unchecked-ink-color, --primary-text-color); + opacity: 0.6; + pointer-events: none; + -webkit-transform: translate(-50%, -50%); + transform: translate(-50%, -50%); + } + + #ink[checked] { + color: var(--paper-radio-button-checked-ink-color, --primary-color); + } + + #offRadio, #onRadio { + position: absolute; + box-sizing: border-box; + top: 0; + left: 0; + width: 100%; + height: 100%; + border-radius: 50%; + } + + #offRadio { + border: 2px solid var(--paper-radio-button-unchecked-color, --primary-text-color); + background-color: var(--paper-radio-button-unchecked-background-color, transparent); + transition: border-color 0.28s; + } + + #onRadio { + background-color: var(--paper-radio-button-checked-color, --primary-color); + -webkit-transform: scale(0); + transform: scale(0); + transition: -webkit-transform ease 0.28s; + transition: transform ease 0.28s; + will-change: transform; + } + + :host([checked]) #offRadio { + border-color: var(--paper-radio-button-checked-color, --primary-color); + } + + :host([checked]) #onRadio { + -webkit-transform: scale(0.5); + transform: scale(0.5); + } + + #radioLabel { + line-height: normal; + position: relative; + display: inline-block; + vertical-align: middle; + margin-left: var(--paper-radio-button-label-spacing, 10px); + white-space: normal; + color: var(--paper-radio-button-label-color, --primary-text-color); + + @apply(--paper-radio-button-label); + } + + :host([checked]) #radioLabel { + @apply(--paper-radio-button-label-checked); + } + + :host-context([dir="rtl"]) #radioLabel { + margin-left: 0; + margin-right: var(--paper-radio-button-label-spacing, 10px); + } + + #radioLabel[hidden] { + display: none; + } + + /* disabled state */ + + :host([disabled]) #offRadio { + border-color: var(--paper-radio-button-unchecked-color, --primary-text-color); + opacity: 0.5; + } + + :host([disabled][checked]) #onRadio { + background-color: var(--paper-radio-button-unchecked-color, --primary-text-color); + opacity: 0.5; + } + + :host([disabled]) #radioLabel { + /* slightly darker than the button, so that it's readable */ + opacity: 0.65; + } + </style> + + <div id="radioContainer"> + <div id="offRadio"></div> + <div id="onRadio"></div> + </div> + + <div id="radioLabel"><content></content></div> + </template> + + <script> + Polymer({ + is: 'paper-radio-button', + + behaviors: [ + Polymer.PaperCheckedElementBehavior + ], + + hostAttributes: { + role: 'radio', + 'aria-checked': false, + tabindex: 0 + }, + + properties: { + /** + * Fired when the checked state changes due to user interaction. + * + * @event change + */ + + /** + * Fired when the checked state changes. + * + * @event iron-change + */ + + ariaActiveAttribute: { + type: String, + value: 'aria-checked' + } + }, + + ready: function() { + this._rippleContainer = this.$.radioContainer; + }, + + attached: function() { + var inkSize = this.getComputedStyleValue('--calculated-paper-radio-button-ink-size').trim(); + // If unset, compute and set the default `--paper-radio-button-ink-size`. + if (inkSize === '-1px') { + var size = parseFloat(this.getComputedStyleValue('--calculated-paper-radio-button-size').trim()); + var defaultInkSize = Math.floor(3 * size); + + // The button and ripple need to have the same parity so that their + // centers align. + if (defaultInkSize % 2 !== size % 2) { + defaultInkSize++; + } + + this.customStyle['--paper-radio-button-ink-size'] = defaultInkSize + 'px'; + this.updateStyles(); + } + }, + }) + </script> +</dom-module> |