| <?xml version="1.0" encoding="utf-8"?> |
| <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="500px" height="500px" viewBox="0 0 500 500"> |
| <title>SVG link drag and drop: allowed effects 'copy','move','link' and 'none'</title> |
| <a xlink:href="data:text/plain,1"> |
| <circle cx="50" cy="50" r="40" fill="green"/> |
| </a> |
| <textArea x="10" y="100" width="480" height="200" font-size="30">You should be able to drag green circle and drop it onto any of the boxes below. Choosen box should turn green once circle is dropped on it.</textArea> |
| <rect x="10" y="300" width="100" height="100" fill="silver"/> |
| <rect x="120" y="300" width="100" height="100" fill="gray"/> |
| <rect x="230" y="300" width="100" height="100" fill="gray"/> |
| <rect x="340" y="300" width="100" height="100" fill="black"/> |
| <script type="application/ecmascript"> |
| var a = document.querySelector('a'), rect = document.querySelectorAll('rect'), |
| effects = ['copy','move','link','all'], e = 0; |
| a.addEventListener('dragstart', |
| function (event) |
| {event.dataTransfer.effectAllowed = effects[e]} |
| ,false); |
| for(var i = 0; i != rect.length; i++) |
| {rect[i].addEventListener('dragenter', |
| function (event) |
| {event.preventDefault(); |
| event.dataTransfer.effectAllowed = effects[e];} |
| ,false); |
| rect[i].addEventListener('dragover', |
| function (event) |
| {event.preventDefault()} |
| ,false); |
| rect[i].addEventListener('drop', |
| function (event) |
| {if(event.dataTransfer.dropEffect == effects[e] && event.dataTransfer.effectAllowed == effects[e] && i != 3) |
| {event.target.setAttribute('fill','green');} |
| e = (e+1)%3;} |
| ,false);} |
| </script> |
| </svg> |