Column Summation
----------------
Key: DISPL-199
URL: http://jira.codehaus.org/browse/DISPL-199
Project: DisplayTag
Type: New Feature
Components: Paging/Sorting
Reporter: Andrew Festa
Priority: Minor
It would be nice to have columns automatically sum without using a
TableDecorator. Something like this:
<display:table summation="true" sumTitle="Total">
<display:column property="name" title="Item Label" />
<display:column property="value1" title="Value 1" sort="true" />
<display:column property="value2" title="Value 2" sort="true" />
</display:table>
And that will generate a table like so:
(Forgive my sloppy HTML...)
<table>
<tr><th>Item Label</th><th>Value 1</th><th>Value 2</th></tr>
<tr><td>Item 1</td><td>1</td><td>2</td></tr>
<tr><td>Item 2</td><td>3</td><td>4</td></tr>
<tr class="totalsRow"><td>Total</td><td>3</td><td>6</td></tr>
</table>
This could also be extended to provide properties that would determine whether
the entire collection or just the visible page was totalled.
Another feature would be an extention of the TableDecorator class so you could
decorate each column of the Total Row. (ie getTotalValue1())
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