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https://github.com/CoderSherlock/CoderSherlock.github.io.git
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369 lines
9.6 KiB
HTML
369 lines
9.6 KiB
HTML
<!--
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Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
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This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
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The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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Code distributed by Google as part of the polymer project is also
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subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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-->
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<link rel="import" href="../polymer/polymer.html">
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<link rel="import" href="../paper-styles/paper-styles.html">
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<!--
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`paper-toolbar` is a horizontal bar containing items that can be used for
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label, navigation, search and actions. The items place inside the
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`paper-toolbar` are projected into a `class="horizontal center layout"` container inside of
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`paper-toolbar`'s Shadow DOM. You can use flex attributes to control the items'
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sizing.
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Example:
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<paper-toolbar>
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<paper-icon-button icon="menu" on-tap="menuAction"></paper-icon-button>
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<div class="title">Title</div>
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<paper-icon-button icon="more-vert" on-tap="moreAction"></paper-icon-button>
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</paper-toolbar>
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`paper-toolbar` has a standard height, but can made be taller by setting `tall`
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class on the `paper-toolbar`. This will make the toolbar 3x the normal height.
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<paper-toolbar class="tall">
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<paper-icon-button icon="menu"></paper-icon-button>
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</paper-toolbar>
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Apply `medium-tall` class to make the toolbar medium tall. This will make the
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toolbar 2x the normal height.
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<paper-toolbar class="medium-tall">
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<paper-icon-button icon="menu"></paper-icon-button>
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</paper-toolbar>
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When `tall`, items can pin to either the top (default), middle or bottom. Use
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`middle` class for middle content and `bottom` class for bottom content.
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<paper-toolbar class="tall">
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<paper-icon-button icon="menu"></paper-icon-button>
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<div class="middle title">Middle Title</div>
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<div class="bottom title">Bottom Title</div>
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</paper-toolbar>
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For `medium-tall` toolbar, the middle and bottom contents overlap and are
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pinned to the bottom. But `middleJustify` and `bottomJustify` attributes are
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still honored separately.
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### Styling
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The following custom properties and mixins are available for styling:
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Custom property | Description | Default
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----------------|-------------|----------
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`--paper-toolbar-background` | Toolbar background color | `--default-primary-color`
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`--paper-toolbar-color` | Toolbar foreground color | `--text-primary-color`
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`--paper-toolbar` | Mixin applied to the toolbar | `{}`
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### Accessibility
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`<paper-toolbar>` has `role="toolbar"` by default. Any elements with the class `title` will
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be used as the label of the toolbar via `aria-labelledby`.
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@demo demo/index.html
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-->
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<dom-module id="paper-toolbar">
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<style>
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:host {
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/* technical */
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display: block;
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position: relative;
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box-sizing: border-box;
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-moz-box-sizing: border-box;
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/* size */
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height: 64px;
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background: var(--paper-toolbar-background, --default-primary-color);
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color: var(--paper-toolbar-color, --text-primary-color);
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@apply(--paper-toolbar);
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}
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:host(.animate) {
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/* transition */
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transition: height 0.18s ease-in;
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}
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:host(.medium-tall) {
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height: 128px;
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}
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:host(.tall) {
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height: 192px;
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}
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.toolbar-tools {
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position: relative;
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height: 64px;
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padding: 0 16px;
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pointer-events: none;
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}
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/*
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* TODO: Where should media query breakpoints live so they can be shared between elements?
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*/
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@media (max-width: 639px) {
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:host {
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height: 56px;
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}
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:host(.medium-tall) {
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height: 112px;
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}
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:host(.tall) {
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height: 168px;
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}
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.toolbar-tools {
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height: 56px;
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}
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}
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#topBar {
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position: relative;
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}
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/* middle bar */
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#middleBar {
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position: absolute;
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top: 0;
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right: 0;
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left: 0;
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}
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:host(.tall) #middleBar,
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:host(.medium-tall) #middleBar {
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-webkit-transform: translateY(100%);
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transform: translateY(100%);
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}
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/* bottom bar */
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#bottomBar {
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position: absolute;
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right: 0;
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bottom: 0;
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left: 0;
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}
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/*
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* make elements (e.g. buttons) respond to mouse/touch events
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*
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* `.toolbar-tools` disables touch events so multiple toolbars can stack and not
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* absorb events. All children must have pointer events re-enabled to work as
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* expected.
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*/
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.toolbar-tools > ::content > *:not([disabled]) {
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pointer-events: auto;
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}
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.toolbar-tools > ::content .title {
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@apply(--paper-font-title);
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@apply(--layout-flex);
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pointer-events: none;
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text-overflow: ellipsis;
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white-space: nowrap;
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overflow: hidden;
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/*
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* Polymer/polymer/issues/1525
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* --paper-font-title defines a `font-weight`
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* let's override its value, but we need `important!`
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* because all mixins are resolved in rule's selector that has higher precedence
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* than the current selector.
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*/
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font-weight: 400 !important;
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}
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/**
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* TODO: Refactor these selectors
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* Work in progress.
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*/
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.toolbar-tools > ::content paper-icon-button[icon=menu] {
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margin-right: 24px;
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}
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.toolbar-tools > ::content > .title,
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.toolbar-tools > ::content[select=".middle"] > .title,
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.toolbar-tools > ::content[select=".bottom"] > .title {
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margin-left: 56px;
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}
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.toolbar-tools > ::content > paper-icon-button + .title,
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.toolbar-tools > ::content[select=".middle"] paper-icon-button + .title,
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.toolbar-tools > ::content[select=".bottom"] paper-icon-button + .title {
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margin-left: 0;
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}
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</style>
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<template>
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<div id="topBar" class$="[[_computeBarClassName(justify)]]">
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<content select=":not(.middle):not(.bottom)"></content>
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</div>
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<div id="middleBar" class$="[[_computeBarClassName(middleJustify)]]">
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<content select=".middle"></content>
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</div>
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<div id="bottomBar" class$="[[_computeBarClassName(bottomJustify)]]">
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<content select=".bottom"></content>
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</div>
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</template>
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</dom-module>
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<script>
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(function() {
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'use strict';
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function classNames(obj) {
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var classNames = [];
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for (var key in obj) {
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if (obj.hasOwnProperty(key) && obj[key]) {
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classNames.push(key);
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}
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}
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return classNames.join(' ');
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}
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Polymer({
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is: 'paper-toolbar',
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hostAttributes: {
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'role': 'toolbar'
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},
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properties: {
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/**
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* Controls how the items are aligned horizontally when they are placed
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* at the bottom.
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* Options are `start`, `center`, `end`, `justified` and `around`.
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*
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* @attribute bottomJustify
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* @type string
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* @default ''
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*/
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bottomJustify: {
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type: String,
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value: ''
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},
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/**
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* Controls how the items are aligned horizontally.
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* Options are `start`, `center`, `end`, `justified` and `around`.
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*
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* @attribute justify
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* @type string
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* @default ''
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*/
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justify: {
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type: String,
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value: ''
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},
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/**
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* Controls how the items are aligned horizontally when they are placed
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* in the middle.
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* Options are `start`, `center`, `end`, `justified` and `around`.
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*
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* @attribute middleJustify
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* @type string
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* @default ''
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*/
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middleJustify: {
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type: String,
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value: ''
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}
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},
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attached: function() {
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this._observer = this._observe(this);
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this._updateAriaLabelledBy();
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},
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detached: function() {
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if (this._observer) {
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this._observer.disconnect();
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}
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},
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_observe: function(node) {
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var observer = new MutationObserver(function() {
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this._updateAriaLabelledBy();
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}.bind(this));
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observer.observe(node, {
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childList: true,
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subtree: true
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});
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return observer;
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},
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_updateAriaLabelledBy: function() {
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var labelledBy = [];
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var contents = Polymer.dom(this.root).querySelectorAll('content');
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for (var content, index = 0; content = contents[index]; index++) {
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var nodes = Polymer.dom(content).getDistributedNodes();
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for (var node, jndex = 0; node = nodes[jndex]; jndex++) {
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if (node.classList && node.classList.contains('title')) {
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if (node.id) {
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labelledBy.push(node.id);
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} else {
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var id = 'paper-toolbar-label-' + Math.floor(Math.random() * 10000);
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node.id = id;
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labelledBy.push(id);
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}
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}
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}
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}
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if (labelledBy.length > 0) {
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this.setAttribute('aria-labelledby', labelledBy.join(' '));
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}
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},
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_computeBarClassName: function(barJustify) {
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var classObj = {
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center: true,
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horizontal: true,
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layout: true,
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'toolbar-tools': true
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};
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// If a blank string or any falsy value is given, no other class name is
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// added.
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if (barJustify) {
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var justifyClassName = (barJustify === 'justified') ?
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barJustify :
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barJustify + '-justified';
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classObj[justifyClassName] = true;
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}
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return classNames(classObj);
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}
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});
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}());
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</script>
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