Feature Requests item #1013562, was opened at 2004-08-21 21:50
Message generated for change (Tracker Item Submitted) made by Item Submitter
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=536616&aid=1013562&group_id=73068
Category: main taglib
Group: after 1.0
Status: Open
Resolution: None
Priority: 5
Submitted By: Will Glass-Husain (wglass)
Assigned to: Nobody/Anonymous (nobody)
Summary: new tag: <display:subRow>
Initial Comment:
This patch adds a new tag <display:subRow> to
DisplayTag
The challenge: A number of times recently I've wanted
to make a table with multiple rows per item. Usually
there is one main row and several "sub-rows" (in the
same color) listing non-columnar information.
For example, the following table has 3 columns of data
about a person, but each row also has a secondary row
with a comment about the person going across the
whole row. (view in monospace font) .
---------------------------
| NAME AGE GRADE |
---------------------------
| Johnny 10 5 |
| -has trouble reading. |
|--------------------------|
| Emily 10 5 |
| -spends too much time |
| daydreaming |
|--------------------------|
| Albert 10 5 |
| -smart kid but goofs off |
----------------------------
It is possible to create such rows with a
TableDecorator, but this forces the unpleasant
challenge of encoding the specific HTML for the
secondary row in the Java class itself. A unique
TableDecorator must also be created for every type of
row. It's close to impossible to display row-specific info
since the TableDecorator is called after the iteration
over the record objects is complete.
As an alternative, <display:subRow> is an easy way to
add one or more rows above or below each list row. By
specifying CSS styles that eliminate the upper border for
a row, the multi-row block for a record can look like one
contiguous row.
Example:
<display:table id="row">
<display:column title="Name" property="name"/>
<display:column title="Name" property="age"/>
<display:column title="Name" property="grade"/>
<display:subRow oddClass="odd_subrow"
evenClass="even_subrow"
positionBelow="true">
<td colspan="3">
<c:out value="${row.comment}"/>
</td>
</display:subRow>
</display:table>
This is an elegant way to specify additional information
about a record that doesn't neatly fit into columnar
format.
The attached patch is in unified diff format, and is
based on displayTag 1.0rc2 snapshot. I tried to follow
existing coding guidelines but let me know if you've any
suggestions for reformatting.
I welcome any comments.
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