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demo.html
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<!doctype html>
<!--
Copyright (c) 2014 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
-->
<html>
<head>
<title>core-list</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<script src="../webcomponentsjs/webcomponents.js"></script>
<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="core-list.html">
<style>
html, body {
margin: 0;
-webkit-tap-highlight-color: transparent;
overflow: hidden;
}
list-test {
display: block;
height: 100%;
margin: 0 auto;
}
.stuff {
min-height: 60px;
background: red !important;
border-bottom: 1px solid black;
}
</style>
</head>
<body fit>
<list-test></list-test>
<polymer-element name="list-test" layout vertical>
<template>
<style>
.item {
box-sizing: border-box;
height: 80px;
border-bottom: 1px solid #ddd;
padding: 4px;
cursor: default;
background-color: white;
overflow: hidden;
}
.selected {
background: silver;
}
.message {
padding-left: 77px;
line-height: 167%;
background-repeat: no-repeat;
background-position: 10px 10px;
background-size: 60px;
}
.from {
display: inline;
font-weight: bold;
}
.timestamp {
margin-left: 10px;
font-size: 12px;
opacity: 0.8;
}
.body {
font-size: 12px;
}
.spaced {
margin: 10px;
}
.selection-display {
background: lightgray;
padding: 0 5px;
margin: 0 5px;
}
.narrow {
width: 40px;
}
</style>
<div class="spaced">
<button on-tap="{{addRecord}}">Add row at index:</button>
<input value="{{addIdx}}" class="narrow" type="number">
<br>
<button on-tap="{{deleteRecord}}">Delete row at index:</button>
<input value="{{deleteIdx}}" class="narrow" type="number">
<br>
<button on-tap="{{deleteAll}}">Delete all</button>
<button on-tap="{{deleteArray}}">Delete data array</button>
<button on-tap="{{initArrayEmpty}}">Init empty array</button>
<button on-tap="{{initArrayFull}}">Init full array</button>
<br>
<label><input type="checkbox" checked="{{selectionEnabled}}">Selection enabled</label>
<label><input type="checkbox" checked="{{multi}}">Multiple selection</label>
<br>
<button on-tap="{{clearSelection}}">Clear selection</button>
<button on-tap="{{deleteSelection}}">Delete selection</button>
</div>
<div layout horizontal wrap class="spaced">
Selected values:
<template repeat="{{multi ? selection: [selection]}}">
<div class="selection-display">Id {{id}}: {{checked}} {{value}} {{['a','b','c'][type]}}</div>
</template>
</div>
<core-list id="list" data="{{data}}" selectionEnabled="{{selectionEnabled}}"
selection="{{selection}}" height="80" flex multi?={{multi}}>
<template>
<div class="item {{ {selected: selected} | tokenList }}">
<div class="message" style="background-image: url(images/{{model.image}}.png);">
<span class="from">{{model.name}}</span>
<div class="subject">Row: {{index}}, Record ID: {{model.id}}</div>
<input type="checkbox" checked="{{model.checked}}">
<input type="number" value="{{model.value}}" class="narrow">
<select selectedIndex="{{model.type}}"><option>a</option><option>b</option><option>c</option></select>
<span class="body">{{model.details}}</span>
</div>
</div>
</template>
</core-list>
</template>
<script>
(function() {
var strings = [
"PARKOUR!",
"Neque porro quisquam est qui dolorem ipsum quia dolor sit amet, consectetur, adipisci velit...",
"Lorem Ipsum is simply dummy text of the printing and typesetting industry."
];
var namegen = {
generateString: function(inLength) {
var s = '';
for (var i=0; i<inLength; i++) {
s += String.fromCharCode(Math.floor(Math.random() * 26) + 97);
}
return s;
},
generateName: function(inMin, inMax) {
return this.generateString(Math.floor(Math.random() * (inMax - inMin + 1) + inMin));
}
};
Polymer('list-test', {
addIdx: 0,
deleteIdx: 0,
count: 50000,
ready: function() {
this.initArrayFull();
window.list = this.$.list;
},
generateData: function() {
var names = [], data = [];
for (var i=0; i<this.count; i++) {
names.push(namegen.generateName(4, 8));
}
names.sort();
for (i=0; i<this.count; i++) {
data.push({
id: i,
name: names[i],
details: strings[i % 3],
image: i % 4,
value: 0,
type: 0,
checked: false
});
}
return data;
},
addRecord: function() {
this.data.splice(this.addIdx, 0, {
id: ++this.count,
name: namegen.generateName(4, 8),
details: strings[this.count % 3],
image: this.count % 4,
value: 0,
type: 0,
checked: false
});
},
deleteRecord: function() {
this.data.splice(this.deleteIdx, 1);
},
deleteSelection: function() {
var i, idx;
if (this.multi) {
if (this.selection.length) {
for (i=0; i<this.selection.length; i++) {
idx = this.data.indexOf(this.selection[i]);
this.data.splice(idx, 1);
}
}
} else {
idx = this.data.indexOf(this.selection);
this.data.splice(idx, 1);
}
},
clearSelection: function() {
this.$.list.clearSelection();
},
deleteAll: function() {
this.data.splice(0,this.data.length);
// this.data.length = 0;
},
deleteArray: function() {
this.data = null;
},
initArrayEmpty: function() {
this.data = [];
},
initArrayFull: function() {
this.data = this.generateData();
}
});
})();
</script>
</polymer-element>
</body>
</html>