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Unified Diff: third_party/polymer/components/paper-checkbox/paper-checkbox.html

Issue 2906483004: [pinpoint] Add iron-form and paper-checkbox to polymer components. (Closed)
Patch Set: Created 3 years, 7 months ago
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Index: third_party/polymer/components/paper-checkbox/paper-checkbox.html
diff --git a/third_party/polymer/components/paper-checkbox/paper-checkbox.html b/third_party/polymer/components/paper-checkbox/paper-checkbox.html
new file mode 100644
index 0000000000000000000000000000000000000000..9184ded7813612909e902c2ade0a7cb8d4bc5d61
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+++ b/third_party/polymer/components/paper-checkbox/paper-checkbox.html
@@ -0,0 +1,311 @@
+<!--
+@license
+Copyright (c) 2016 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-styles/default-theme.html">
+<link rel="import" href="../paper-behaviors/paper-checked-element-behavior.html">
+
+<!--
+Material design: [Checkbox](https://www.google.com/design/spec/components/selection-controls.html#selection-controls-checkbox)
+
+`paper-checkbox` is a button that can be either checked or unchecked. User
+can tap the checkbox to check or uncheck it. Usually you use checkboxes
+to allow user to select multiple options from a set. If you have a single
+ON/OFF option, avoid using a single checkbox and use `paper-toggle-button`
+instead.
+
+Example:
+
+ <paper-checkbox>label</paper-checkbox>
+
+ <paper-checkbox checked> label</paper-checkbox>
+
+### Styling
+
+The following custom properties and mixins are available for styling:
+
+Custom property | Description | Default
+----------------|-------------|----------
+`--paper-checkbox-unchecked-background-color` | Checkbox background color when the input is not checked | `transparent`
+`--paper-checkbox-unchecked-color` | Checkbox border color when the input is not checked | `--primary-text-color`
+`--paper-checkbox-unchecked-ink-color` | Selected/focus ripple color when the input is not checked | `--primary-text-color`
+`--paper-checkbox-checked-color` | Checkbox color when the input is checked | `--primary-color`
+`--paper-checkbox-checked-ink-color` | Selected/focus ripple color when the input is checked | `--primary-color`
+`--paper-checkbox-checkmark-color` | Checkmark color | `white`
+`--paper-checkbox-label-color` | Label color | `--primary-text-color`
+`--paper-checkbox-label-checked-color` | Label color when the input is checked | `--paper-checkbox-label-color`
+`--paper-checkbox-label-spacing` | Spacing between the label and the checkbox | `8px`
+`--paper-checkbox-label` | Mixin applied to the label | `{}`
+`--paper-checkbox-label-checked` | Mixin applied to the label when the input is checked | `{}`
+`--paper-checkbox-error-color` | Checkbox color when invalid | `--error-color`
+`--paper-checkbox-size` | Size of the checkbox | `18px`
+`--paper-checkbox-ink-size` | Size of the ripple | `48px`
+`--paper-checkbox-margin` | Margin around the checkbox container | `initial`
+`--paper-checkbox-vertical-align` | Vertical alignment of the checkbox container | `middle`
+
+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`.
+
+@demo demo/index.html
+-->
+
+<dom-module id="paper-checkbox">
+ <template strip-whitespace>
+ <style>
+ :host {
+ display: inline-block;
+ white-space: nowrap;
+ cursor: pointer;
+ --calculated-paper-checkbox-size: var(--paper-checkbox-size, 18px);
+ /* -1px is a sentinel for the default and is replaced in `attached`. */
+ --calculated-paper-checkbox-ink-size: var(--paper-checkbox-ink-size, -1px);
+ @apply(--paper-font-common-base);
+ line-height: 0;
+ -webkit-tap-highlight-color: transparent;
+ }
+
+ :host([hidden]) {
+ display: none !important;
+ }
+
+ :host(:focus) {
+ outline: none;
+ }
+
+ .hidden {
+ display: none;
+ }
+
+ #checkboxContainer {
+ display: inline-block;
+ position: relative;
+ width: var(--calculated-paper-checkbox-size);
+ height: var(--calculated-paper-checkbox-size);
+ min-width: var(--calculated-paper-checkbox-size);
+ margin: var(--paper-checkbox-margin, initial);
+ vertical-align: var(--paper-checkbox-vertical-align, middle);
+ background-color: var(--paper-checkbox-unchecked-background-color, transparent);
+ }
+
+ #ink {
+ position: absolute;
+
+ /* Center the ripple in the checkbox by negative offsetting it by
+ * (inkWidth - rippleWidth) / 2 */
+ top: calc(0px - (var(--calculated-paper-checkbox-ink-size) - var(--calculated-paper-checkbox-size)) / 2);
+ left: calc(0px - (var(--calculated-paper-checkbox-ink-size) - var(--calculated-paper-checkbox-size)) / 2);
+ width: var(--calculated-paper-checkbox-ink-size);
+ height: var(--calculated-paper-checkbox-ink-size);
+ color: var(--paper-checkbox-unchecked-ink-color, var(--primary-text-color));
+ opacity: 0.6;
+ pointer-events: none;
+ }
+
+ :host-context([dir="rtl"]) #ink {
+ right: calc(0px - (var(--calculated-paper-checkbox-ink-size) - var(--calculated-paper-checkbox-size)) / 2);
+ left: auto;
+ }
+
+ #ink[checked] {
+ color: var(--paper-checkbox-checked-ink-color, var(--primary-color));
+ }
+
+ #checkbox {
+ position: relative;
+ box-sizing: border-box;
+ height: 100%;
+ border: solid 2px;
+ border-color: var(--paper-checkbox-unchecked-color, var(--primary-text-color));
+ border-radius: 2px;
+ pointer-events: none;
+ -webkit-transition: background-color 140ms, border-color 140ms;
+ transition: background-color 140ms, border-color 140ms;
+ }
+
+ /* checkbox checked animations */
+ #checkbox.checked #checkmark {
+ -webkit-animation: checkmark-expand 140ms ease-out forwards;
+ animation: checkmark-expand 140ms ease-out forwards;
+ }
+
+ @-webkit-keyframes checkmark-expand {
+ 0% {
+ -webkit-transform: scale(0, 0) rotate(45deg);
+ }
+ 100% {
+ -webkit-transform: scale(1, 1) rotate(45deg);
+ }
+ }
+
+ @keyframes checkmark-expand {
+ 0% {
+ transform: scale(0, 0) rotate(45deg);
+ }
+ 100% {
+ transform: scale(1, 1) rotate(45deg);
+ }
+ }
+
+ #checkbox.checked {
+ background-color: var(--paper-checkbox-checked-color, var(--primary-color));
+ border-color: var(--paper-checkbox-checked-color, var(--primary-color));
+ }
+
+ #checkmark {
+ position: absolute;
+ width: 36%;
+ height: 70%;
+ border-style: solid;
+ border-top: none;
+ border-left: none;
+ border-right-width: calc(2/15 * var(--calculated-paper-checkbox-size));
+ border-bottom-width: calc(2/15 * var(--calculated-paper-checkbox-size));
+ border-color: var(--paper-checkbox-checkmark-color, white);
+ -webkit-transform-origin: 97% 86%;
+ transform-origin: 97% 86%;
+ box-sizing: content-box; /* protect against page-level box-sizing */
+ }
+
+ :host-context([dir="rtl"]) #checkmark {
+ -webkit-transform-origin: 50% 14%;
+ transform-origin: 50% 14%;
+ }
+
+ /* label */
+ #checkboxLabel {
+ position: relative;
+ display: inline-block;
+ vertical-align: middle;
+ padding-left: var(--paper-checkbox-label-spacing, 8px);
+ white-space: normal;
+ line-height: normal;
+ color: var(--paper-checkbox-label-color, var(--primary-text-color));
+ @apply(--paper-checkbox-label);
+ }
+
+ :host([checked]) #checkboxLabel {
+ color: var(--paper-checkbox-label-checked-color, var(--paper-checkbox-label-color, var(--primary-text-color)));
+ @apply(--paper-checkbox-label-checked);
+ }
+
+ :host-context([dir="rtl"]) #checkboxLabel {
+ padding-right: var(--paper-checkbox-label-spacing, 8px);
+ padding-left: 0;
+ }
+
+ #checkboxLabel[hidden] {
+ display: none;
+ }
+
+ /* disabled state */
+
+ :host([disabled]) #checkbox {
+ opacity: 0.5;
+ border-color: var(--paper-checkbox-unchecked-color, var(--primary-text-color));
+ }
+
+ :host([disabled][checked]) #checkbox {
+ background-color: var(--paper-checkbox-unchecked-color, var(--primary-text-color));
+ opacity: 0.5;
+ }
+
+ :host([disabled]) #checkboxLabel {
+ opacity: 0.65;
+ }
+
+ /* invalid state */
+ #checkbox.invalid:not(.checked) {
+ border-color: var(--paper-checkbox-error-color, var(--error-color));
+ }
+ </style>
+
+ <div id="checkboxContainer">
+ <div id="checkbox" class$="[[_computeCheckboxClass(checked, invalid)]]">
+ <div id="checkmark" class$="[[_computeCheckmarkClass(checked)]]"></div>
+ </div>
+ </div>
+
+ <div id="checkboxLabel"><content></content></div>
+ </template>
+
+ <script>
+ Polymer({
+ is: 'paper-checkbox',
+
+ behaviors: [
+ Polymer.PaperCheckedElementBehavior
+ ],
+
+ hostAttributes: {
+ role: 'checkbox',
+ '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'
+ }
+ },
+
+ attached: function() {
+ var inkSize = this.getComputedStyleValue('--calculated-paper-checkbox-ink-size').trim();
+ // If unset, compute and set the default `--paper-checkbox-ink-size`.
+ if (inkSize === '-1px') {
+ var checkboxSize = parseFloat(this.getComputedStyleValue('--calculated-paper-checkbox-size').trim());
+ var defaultInkSize = Math.floor((8 / 3) * checkboxSize);
+
+ // The checkbox and ripple need to have the same parity so that their
+ // centers align.
+ if (defaultInkSize % 2 !== checkboxSize % 2) {
+ defaultInkSize++;
+ }
+
+ this.customStyle['--paper-checkbox-ink-size'] = defaultInkSize + 'px';
+ this.updateStyles();
+ }
+ },
+
+ _computeCheckboxClass: function(checked, invalid) {
+ var className = '';
+ if (checked) {
+ className += 'checked ';
+ }
+ if (invalid) {
+ className += 'invalid';
+ }
+ return className;
+ },
+
+ _computeCheckmarkClass: function(checked) {
+ return checked ? '' : 'hidden';
+ },
+
+ // create ripple inside the checkboxContainer
+ _createRipple: function() {
+ this._rippleContainer = this.$.checkboxContainer;
+ return Polymer.PaperInkyFocusBehaviorImpl._createRipple.call(this);
+ }
+
+ });
+ </script>
+</dom-module>
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