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comparison src/examples/drop.html @ 4:0130ae25ef94

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add drop
author Franklin Schmidt <fschmidt@gmail.com>
date Sat, 22 Apr 2023 21:17:53 -0600
parents
children 1293cb0d30da
comparison
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3:6d5e4b38b4fb 4:0130ae25ef94
1 <!doctype html>
2 <html>
3 <head>
4 <meta name="viewport" content="width=device-width, initial-scale=1">
5 <style>
6 @import "/site.css";
7 @import "/dad.css";
8
9 span[handle] {
10 display: inline-block;
11 background-color: LightGreen;
12 padding: 8px;
13 }
14 span[outer] {
15 display: inline-block;
16 background-color: LightBlue;
17 padding: 8px;
18 position: relative;
19 }
20 </style>
21 <script src="/dad.js"></script>
22 <script>
23 dad.whatToDrag = function(draggable) {
24 return draggable.parentNode;
25 };
26
27 dad.onDrop = function(event) {
28 let draggable = event.draggable;
29 let style = draggable.style;
30 let left = style.left ? parseInt(style.left) : 0;
31 let top = style.top ? parseInt(style.top) : 0;
32 let rectDragged = event.dragged.getBoundingClientRect();
33 let rectDraggable = draggable.getBoundingClientRect();
34 left += rectDragged.x - rectDraggable.x;
35 top += rectDragged.y - rectDraggable.y;
36 style.left = left + 'px';
37 style.top = top + 'px';
38 };
39
40 function init() {
41 let span = document.querySelector('span[handle]');
42 dad.setDraggable(span);
43 }
44 </script>
45 </head>
46 <body>
47 <h1>Handle</h1>
48 <p>
49 <span outer>
50 <span handle>drag me</span>
51 along for the ride
52 </span>
53 </p>
54 <p>bottom</p>
55 </body>
56 <script> init(); </script>
57 </html>