The easiest way that I've found to do what you're looking for is to use JavaScript. Sort in your question and then set a sorted column indicator with JavaScript. Here's an example:
http://tinyurl.com/rbwg
And here's a more complete example I've used on my project which sets a sort indicator:
<script type="text/javascript">
<!--
var previousClass = null;
// simple script for highlighting rows
var table = document.getElementsByTagName("table")[0];
var rows = table.getElementsByTagName("tr");
for (i=3; i < rows.length; i++) {
rows[i].onmouseover = function() { previousClass=this.className;this.className='tableRowOver' };
rows[i].onmouseout = function() { this.className=previousClass };
rows[i].onclick = function() {
var cell = this.getElementsByTagName("td")[0];
var link = cell.firstChild;
var href = link.getAttribute("href");
var id = href.substring(href.indexOf("username=")+9, href.length);
location.href="<%=request.getContextPath()+editURL.getPath()+"&from=list "%>&username="+id;
this.style.cursor="wait";
}
}
function addSortIndicator() {
var table = document.getElementsByTagName("table")[0];
var cols = table.getElementsByTagName("th");
var sort = "<c:out value="${param.sort}"/>";
var order = "<c:out value="${param.order}"/>";
// my own little hack to set the right name for the image
if (order == "dec") {
order = "desc";
}
if (sort == "") {
setIndicator(cols[0], "asc"); // 1st column is sorted in query
} else {
setIndicator(cols[sort], order);
}
}
window.onload=addSortIndicator;
function setIndicator(e, order) {
e.className = "sorted";
var indicator = document.createElement("img");
indicator.setAttribute("src", "<%=request.getContextPath()%>/images/"+order+".gif");
indicator.setAttribute("width", "9");
indicator.setAttribute("height", "10");
indicator.setAttribute("alt", (order == "asc") ? "Ascending" : "Descending");
indicator.className = "sortIndicator";
e.appendChild(indicator);
}
//-->
</script>
Here's a demo of what this sort indicator might look like: http://tinyurl.com/sv54
Hope this helps,
Matt
On Oct 29, 2003, at 9:05 AM, Huang, Andy wrote:
Hi Matt,
I have a question about using displaytag.
One week ago I discovered this displaytag. And I suggest to using it in our
current project. We have this requirement that the displaytag seem not able
to handle or it is the case of not flexible enough to make a modification.
One requirement is highlighting a given row by a given primary ID. I can't
seem to use just <logic:equal> in between the table/columns to identify that
row needed to be highlight. What do you suggest to do here?
Second requirement is setting the default sorting order for a given column.
How should I approach this?
I've been looking at the source for awhile, but don't seem to able to find
an easy way out.
Please help! [EMAIL PROTECTED]
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