Feature Requests item #823393, was opened at 2003-10-14 05:18
Message generated for change (Comment added) made by nobody
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Category: main taglib
Group: v 1.0-b1
Status: Open
Resolution: None
Priority: 7
Submitted By: Paul McCulloch (paulmcculloch)
Assigned to: andy pruitt (rapruitt)
Summary: Sort by property even when a column body is declared
Initial Comment:
It would be useful to allow the specification of a
property and a body to the column tag. The body is used
for display whilst the property is used for sorting.
For example, I prefer to use column body, rather than
decorators for formatting of dates:
<display:column title="Date" sort="true">
<fmt:formatDate value="${row.dateLogged}" type="date"
dateStyle="SHORT" timeStyle="SHORT"/>
</display:column>
This allows me to use nice existing tags for date
formatting. Unfortuantly the sorting is done of the
resulting formatted text - not date order.
By allowing both property & body to be passed this can
be achieved.
This can be achieved (at fiirst glance!) by changing
ColumnTag.java roundabout line 741
from:
if (mProperty == null)
to:
if (mProperty == null || (mProperty != null &&
getBodyContent() != null))
----------------------------------------------------------------------
Comment By: Nobody/Anonymous (nobody)
Date: 2004-02-05 08:18
Message:
Logged In: NO
+1: the ability to format cell content inside the body of
the column tag, while still being able to sort using the
non-formatted non-decorated property would be really helpful.
To me, when there is a body content, it should always be
used for display (else, why would one put a body content in
the first place?).
If there is just a content, it should be used for display
and sorting (what else could we use for sorting?)
If a property is defined, in addition to the content, this
property should be used for sorting.
Adding a "comparator" attribute, containing the name of a
class implementing the Comparator interface, would also be a
nice addition.
For example, suppose we have a month property containing a
String constant representing a month ("JANUARY", "FEBRUARY",
etc.). Suppose we want to render the month in an
internationalized way (using resource bundles), and suppose
we want to sort the table by month (January first, December
last).
With this proposition, it's plain simple:
<display:column property="month"
comparator="com.blabla.MonthComparator"
sortable="true">
<fmt:message key="month.label.${month}">
</display:column>
If the month property contains an integer (1 for January, 2
for february, etc.), there is no need for comparator anymore:
<display:column property="month"
sortable="true">
<fmt:message key="month.label.${month}">
</display:column>
----------------------------------------------------------------------
Comment By: Torgeir Veimo (pivot)
Date: 2003-12-01 01:29
Message:
Logged In: YES
user_id=201434
what about a different attribute name for the sort property?
We patch displaytag locally allowing a sortProperty
attribute which is used for this purpose.
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