103 lines
2.9 KiB
HTML
103 lines
2.9 KiB
HTML
<!--
|
|
@license
|
|
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
|
|
-->
|
|
<!doctype html>
|
|
<html lang="en">
|
|
<head>
|
|
|
|
<meta charset="utf-8">
|
|
<meta name="viewport" content="width=device-width, user-scalable=no">
|
|
|
|
<title>Core Drag Drop</title>
|
|
|
|
<script src="../webcomponentsjs/webcomponents.js"></script>
|
|
|
|
<link rel="import" href="core-drag-drop.html">
|
|
|
|
<style>
|
|
|
|
html {
|
|
font-family: 'Helvetica Neue', 'Roboto', 'Arial', sans-serif;
|
|
}
|
|
|
|
body {
|
|
height: 100vh;
|
|
margin: 0;
|
|
-webkit-user-select: none;
|
|
-moz-user-select: none;
|
|
-ms-user-select: none;
|
|
}
|
|
|
|
.box {
|
|
display: inline-block;
|
|
width: 100px;
|
|
height: 100px;
|
|
margin: 16px;
|
|
}
|
|
|
|
.dropped {
|
|
position: absolute;
|
|
border: 1px solid black;
|
|
width: 5px;
|
|
height: 5px;
|
|
}
|
|
|
|
</style>
|
|
|
|
</head>
|
|
<body unresolved>
|
|
|
|
<div style="border: 1px dotted silver;">
|
|
|
|
<core-drag-drop></core-drag-drop>
|
|
|
|
<div class="box" style="background-color: lightblue;" draggable="false"></div>
|
|
|
|
<div class="box" style="background-color: orange;" draggable="false"></div>
|
|
|
|
<div class="box" style="background-color: lightgreen;" draggable="false"></div>
|
|
|
|
<div id="hello">Hello World</div>
|
|
|
|
</div>
|
|
|
|
<br><br><br><br><br><br>
|
|
|
|
<div id="drop" class="box" style="border: 3px solid silver; position: relative; width: 300px; height: 300px;" draggable="false"></div>
|
|
|
|
<script>
|
|
addEventListener('drag-start', function(e) {
|
|
var dragInfo = e.detail;
|
|
// flaw #2: e vs dragInfo.event
|
|
var color = dragInfo.event.target.style.backgroundColor;
|
|
dragInfo.avatar.style.cssText = 'border: 3px solid ' + color + '; width: 32px; height: 32px; border-radius: 32px; background-color: whitesmoke';
|
|
e.detail.avatar.appendChild(document.querySelector('#hello'));
|
|
dragInfo.drag = function() {};
|
|
dragInfo.drop = drop;
|
|
});
|
|
//
|
|
function drop(dragInfo) {
|
|
var color = dragInfo.avatar.style.borderColor;
|
|
var dropTarget = dragInfo.event.relatedTarget;
|
|
if (color && dropTarget.id === 'drop') {
|
|
var f = dragInfo.framed;
|
|
var d = document.createElement('div');
|
|
d.className = 'dropped';
|
|
d.style.left = f.x - 4 + 'px';
|
|
d.style.top = f.y - 4 + 'px';
|
|
d.style.backgroundColor = color;
|
|
dropTarget.appendChild(d);
|
|
dropTarget.style.backgroundColor = color;
|
|
}
|
|
}
|
|
</script>
|
|
|
|
</body>
|
|
</html>
|