|
8
|
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 [item] {
|
|
|
10 background-color: LightGreen;
|
|
|
11 padding: 8px;
|
|
|
12 }
|
|
|
13 [item][in] {
|
|
|
14 border: 1px solid;
|
|
|
15 }
|
|
|
16 </style>
|
|
|
17 <script src="/dad.js"></script>
|
|
|
18 <script>
|
|
|
19 dad.onEnter = function(event) {
|
|
|
20 event.dropzone.setAttribute('in','');
|
|
|
21 };
|
|
|
22
|
|
|
23 dad.onLeave = function(event) {
|
|
|
24 event.dropzone.removeAttribute('in');
|
|
|
25 };
|
|
|
26
|
|
|
27 function indexOf(a,el) {
|
|
|
28 for( let i=0; i<a.length; i++ ) {
|
|
|
29 if( a[i] === el )
|
|
|
30 return i;
|
|
|
31 }
|
|
|
32 return -1;
|
|
|
33 }
|
|
|
34
|
|
|
35 dad.onDrop = function(event) {
|
|
|
36 let dropzone = event.dropzone
|
|
|
37 if( !dropzone )
|
|
|
38 return;
|
|
|
39 let original = event.original
|
|
|
40 let items = document.querySelectorAll('[item]');
|
|
|
41 let iDropzone = indexOf(items,dropzone);
|
|
|
42 let iOriginal = indexOf(items,original);
|
|
|
43 let where = iDropzone < iOriginal ? 'beforebegin' : 'afterend';
|
|
|
44 dropzone.insertAdjacentElement(where,original);
|
|
|
45 };
|
|
|
46
|
|
|
47 function init() {
|
|
|
48 let items = document.querySelectorAll('[item]');
|
|
|
49 for( let i=0; i<items.length; i++ ) {
|
|
|
50 let item = items[i];
|
|
|
51 dad.setDraggable(item);
|
|
|
52 dad.setDropzone(item);
|
|
|
53 }
|
|
|
54 }
|
|
|
55 </script>
|
|
|
56 </head>
|
|
|
57 <body>
|
|
|
58 <h1>List</h1>
|
|
|
59 <script>
|
|
|
60 for( let i=1; i<=10; i++ ) {
|
|
|
61 document.write(`
|
|
|
62 <p item>${i} - drag me</p>
|
|
|
63 ` );
|
|
|
64 }
|
|
|
65 </script>
|
|
|
66 <p>bottom</p>
|
|
|
67 </body>
|
|
|
68 <script> init(); </script>
|
|
|
69 </html>
|
