I have a div with a table inside it.
<DIV STYLE="padding-left: 50pt;">
<DIV STYLE="overflow: auto; width: 250; height: 100;
border: 1px gray solid;
padding:0px; margin: 0px;">
<table id="t1" class="sortable mytable">
I'm trying to Drag from this table, it works fine. But if i scroll, the drag does not work. It often shows up below the table. If i scroll a little, the drag is offset(below the table) by a little, if i scroll a lot the drag is offset by a lot. This issue exists in Firefox/IE and Safari.
I'm attaching a sample.
<html>
<head>
<title>Drag & Drop</title>
<style type="text/css">
td
{
width: 10em;
text-align: center;
}
table.mytable {
list-style-type: none;
padding: 4px 4px 0 4px;
margin: 0px;
font-size: 13px;
font-family: Arial, sans-serif;
}
table.mytable tr {
margin-bottom: 4px;
padding: 2px 2px;
border: 1px solid #c00;
background-color: #eee;
}
div.draggable {
cursor:move;
padding:2px;
background-color: #BBCCDD;
}
div.dropsite {
padding:2px;
background-color: #DDBB99;
}
div.hoverclass123
{
border:1px solid red;
}
</style>
<script language="JavaScript" type="text/javascript" src="javascripts/prototype.js"></script>
<script language="JavaScript" type="text/javascript" src="javascripts/scriptaculous.js"></script>
<script language="JavaScript" type="text/javascript">
window.onload = function()
{
var t1 = document.getElementById("t1");
add_divs(t1, 'td', 'draggable');
var trs = t1.getElementsByTagName("tr");
for (var i = 0; i < trs.length; i++)
{
var divs = document.getElementsByClassName("draggable", trs[i]);
var drag_text = divs[2].innerHTML;
for (var j = 0; j < divs.length; ++j)
{
new Draggable(divs[j], {ghosting:true, revert:true});
}
}
var t2 = document.getElementById("t2");
add_divs(t2, 'td', 'dropsite');
var divs = document.getElementsByClassName("dropsite", t2);
for (var j = 0; j < divs.length; ++j)
{
Droppables.add(divs[j], {accept:'draggable',
hoverclass:'hoverclass123',
onDrop:function(element, dropon, event)
{ debug("dropped " + element.innerHTML + " on "
+ dropon.innerHTML + "\n")}});
}
};
function debug(text)
{
document.getElementById('debug').innerHTML
= "<pre>" + text + "</pre>";
}
function add_divs(table, tag, classname)
{
var items = table.getElementsByTagName(tag);
for (var i = 0; i < items.length; i++)
items[i].innerHTML =
"<div class='" + classname + "'>" + items[i].innerHTML + "</div>";
}
</script>
</head>
<body>
<p>Drag from this table:</p>
<DIV STYLE="padding-left: 50pt;">
<DIV STYLE="overflow: auto; width: 250; height: 100;
border: 1px gray solid;
padding:0px; margin: 0px;">
<table id="t1" class="sortable mytable">
<tr><td>one</td><td>1</td><td>uno</td></tr>
<tr><td>two</td><td>2</td><td>dos</td></tr>
<tr><td>three</td><td>3</td><td>tres</td></tr>
<tr><td>four</td><td>4</td><td>quatro</td></tr>
<tr><td>five</td><td>5</td><td>cinco</td></tr>
<tr><td>six</td><td>6</td><td>seis</td></tr>
<tr><td>seven</td><td>7</td><td>siete</td></tr>
<tr><td>eight</td><td>8</td><td>ocho</td></tr>
<tr><td>nine</td><td>9</td><td>nueve</td></tr>
<tr><td>ten</td><td>10</td><td>diez</td></tr>
</table>
</DIV>
</DIV>
<p>
<p>Drop on this table:</p>
<DIV STYLE="padding-left: 50pt;">
<DIV STYLE="overflow: auto; width: 250; height: 100;
border: 1px gray solid;
padding:0px; margin: 0px;">
<table id="t2" class="sortable mytable">
<tr><td>eleven</td><td>11</td><td>once</td></tr>
<tr><td>twelve</td><td>12</td><td>doce</td></tr>
<tr><td>thirteen</td><td>13</td><td>trece</td></tr>
<tr><td>fourteen</td><td>14</td><td>catorce</td></tr>
<tr><td>fifteen</td><td>15</td><td>quince</td></tr>
<tr><td>sixteen</td><td>16</td><td>dieciseis</td></tr>
<tr><td>seventeen</td><td>17</td><td>diecisiete</td></tr>
<tr><td>eightteen</td><td>18</td><td>dieciocho</td></tr>
<tr><td>nineteen</td><td>19</td><td>diecinueve</td></tr>
<tr><td>twenty</td><td>20</td><td>veinte</td></tr>
</table>
</DIV>
</DIV>
<p>
<div id="debug"></div>
</p>
</body>
</html>
