mirror of
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106 lines
2.2 KiB
HTML
106 lines
2.2 KiB
HTML
<!--
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@license
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Copyright (c) 2016 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="../iron-scroll-target-behavior.html">
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<dom-module id="x-scrollable">
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<style>
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:host {
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display: block;
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font: 14px arial;
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}
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.scrollState {
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border-left: 1px solid #ccc;
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border-right: 1px solid #ccc;
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border-bottom: 1px solid #ccc;
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font-weight: bold;
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background-color: #eee;
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position: fixed;
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top: 0;
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left: calc(50% - 100px);
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padding: 10px;
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width: 220px;
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text-align: center;
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}
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.item {
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border-bottom: 1px solid #ccc;
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background-color: white;
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padding: 20px;
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width: 200%;
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}
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</style>
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<template>
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<div class="scrollState">scrollTop: [[xScrollTop]] - scrollLeft: [[xScrollLeft]]</div>
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<template is="dom-repeat" items="[[_getItems(itemCount)]]">
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<div class="item">[[index]]</div>
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</template>
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</template>
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</dom-module>
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<script>
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Polymer({
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is: 'x-scrollable',
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properties: {
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xScrollTop: {
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type: Number,
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readOnly: true,
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value: 0
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},
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xScrollLeft: {
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type: Number,
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readOnly: true,
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value: 0
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},
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itemCount: {
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type: Number,
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value: 200
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}
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},
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behaviors: [
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Polymer.IronScrollTargetBehavior
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],
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attached: function() {
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this._scrollHandler();
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},
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_scrollHandler: function() {
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this._setXScrollTop(this._scrollTop);
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this._setXScrollLeft(this._scrollLeft);
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},
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_getItems: function(itemCount) {
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var items = new Array(itemCount);
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while (itemCount > 0) {
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items[--itemCount] = true;
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}
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return items;
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}
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});
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</script>
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