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