I have to write a table that updates via AJAX on a timer that polls data from
the server (the data comes as collection, not as a database call).
My first question is what class I need to use; I've looked at a few of the
available classes and I think the AjaxFallbackDefaultDataTable is too
heavyweight because I don't need to sort or page. I need to use my own CSS
and I also need to set the background colors of cells dependent upon the
values in the model. It looks like a DataView would be adequate with a
provider that wraps a LoadableDetachableModel if I hook it up to a timer and
set the output markup ID to true.
So if I'm using a DataView, I get stumped at a point that should be easy.
All the examples let you instantiate a DataView but I'm using Wicket 1.4-m3
and DataView is abstract, so I'd have to subclass it and provide my own
HTML. Fine, but I can't figure out how to plug the table into its parent
panel.
So if I have in the enclosing panel:
<html>
<body>
<wicket:panel>
...
<table wicket:id="storageUnits" class="fullTabWidth"
cellspacing="0"></table>
</wicket:panel>
</body>
</html>
and I've called my DataView subclass StorageUnitAJAXDataView, then in my
enclosing panel, the code:
StorageUnitAJAXDataView dataView = new StorageUnitAJAXDataView(
"storageUnits", new StorageServerUnitsDataProvider( m_strClientRole,
m_strPlatformId ) );
isn't going to work. According to the sample, I need to make the ID the ID
of the repeating rows. My HTML for the DataView looks like this:
<html>
<body>
<wicket:extend>
<table class="fullTabWidth" cellspacing="0">
<thead class="tableGridheader">
<tr>
<th></th>
<th></th>
<th></th>
<th></th>
<th></th>
<th></th>
</tr>
</thead>
<tbody class="tableGrid">
<tr wicket:id="storageUnitStatus">
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
</table>
</wicket:extend>
</body>
</html>
So the real question is, since I have to subclass and have a separate HTML
file for the DataView, how do I get the right ID in there? What should the
HTML look like?
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