021.xhtml - mozsearch

Enable keyboard shortcuts

<?xml version="1.0" encoding="utf-8"?>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<title>Selection drag and drop: removing dropzone attribute ondragstart</title>

<style type="text/css">

div

  {display:inline-block;

  vertical-align:top;

  background-color:maroon;

  color:white;

  padding:20px;

  width:100px;

  height:100px;}

div:nth-child(2)

  {background-color:purple;}

div:nth-child(3)

  {background-color:fuchsia;}

</style>

<script type="application/ecmascript">

function selectText()

  {window.getSelection().selectAllChildren(document.querySelector('p'))}

function dropSelection(event,element)

  {document.querySelectorAll('div')[element].appendChild(document.createTextNode(' FAIL '));

  selectText();}

function start(event)

  {for(var i = 0; i != 3; i++)

    {document.querySelectorAll('div')[i].removeAttribute('dropzone')}

</script>

</head>

<body onload="selectText()">

<div ondrop="dropSelection(event,0)" dropzone="copy string:text/plain"/>

<div ondrop="dropSelection(event,1)" dropzone="move string:text/plain"/>

<div ondrop="dropSelection(event,2)" dropzone="link string:text/plain"/>

<p ondragstart="start(event)">Drag me</p>

<p>You should not be able to drop selection onto any of the red boxes above.</p>

</body>

</html>