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diff --git a/catapult/third_party/polymer/components/paper-checkbox/paper-checkbox.html b/catapult/third_party/polymer/components/paper-checkbox/paper-checkbox.html new file mode 100644 index 00000000..14452454 --- /dev/null +++ b/catapult/third_party/polymer/components/paper-checkbox/paper-checkbox.html @@ -0,0 +1,310 @@ +<!-- +@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> + +</dom-module> +<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> |