Beta1.5, but has since evaporated. Note their example of
implementing sortCompareFunction is EXACTLY what I'm wanting to do
in Beta2 and beyond.
--- In flexcoders@yahoogroups.com, "djbrown_rotonews"
<[EMAIL PROTECTED]> wrote:
>
> I'm with you, thinking there HAS to be a simpler way of doing it.
> Why we don't have access to the columnIndex, for example, baffles
> me. I've messed around with the whole process of over-riding
> headerRelease and all, but it also would swap out two "rows" when
I
> tried it, so I gave up and started digging deeper into this
simpler
> method.
>
> let me know if you figure this thing out.
>
> --- In flexcoders@yahoogroups.com, "Scott Romer" <swromer@> wrote:
> >
> > I'm working on a very similar problem. When I specify the
> > sortCompareFunction on a DataGridColumn, it looks like it tries
to
> > actually execute that function from the SortField. Try tracing
> > through and see for yourself...
> >
> > It looks like it takes the column's datafield and creates a
> sortField
> > for it. Then sets the sortCompareFunction from the column as the
> > compareFunction on the sortField. In which case the SortField's
> > compare function should have a signature like this: (per doc)
> > <code>
> > function myCompare(a:Object, b:Object):int
> > </code>
> >
> > Hence the third parameter (fields) that we both seem to try to
use
> is
> > always null?
> >
> > There must be a simpler way that we are just not seeing. On a
flip
> > side, I'm going to try to move towards the example in their
> documentation:
> >
>
http://livedocs.macromedia.com/labs/1/flex20beta3/wwhelp/wwhimpl/comm
> on/html/wwhelp.htm?context=LiveDocs_Parts&file=00000608.html
> >
> >
> > --- In flexcoders@yahoogroups.com, "djbrown_rotonews"
> > <djbrown_rotonews@> wrote:
> > >
> > > It's default is null (obviously). Any idea how I can modify
> > > the "call" to sortCompareFunction in the dataGridColumn line
to
> add
> > > this argument to the function call?
> > >
> > > --- In flexcoders@yahoogroups.com, "Doug Lowder" <douglowder@>
> > > wrote:
> > > >
> > > >
> > > > The DataGridColumn docs
> > > >
> > >
>
<http://livedocs.macromedia.com/labs/1/flex20beta2/langref/mx/control
> > > s/d\
> > > > ataGridClasses/DataGridColumn.html#sortCompareFunction>
say
> the
> > > > sortCompareFunction gets passed a fields parameter in
addition
> to
> > > the
> > > > item objects being compared. Have you checked the fields
> > > parameter to
> > > > see what's in it?
> > > >
> > > > Doug
> > > >
> > > >
> > > > --- In flexcoders@yahoogroups.com, "djbrown_rotonews"
> > > > <djbrown_rotonews@> wrote:
> > > > >
> > > > > bump. any help?
> > > > >
> > > > > --- In flexcoders@yahoogroups.com, "djbrown_rotonews"
> > > > > djbrown_rotonews@ wrote:
> > > > > >
> > > > > > anyone? I've seen similir questions asked before, and
> never
> > > saw an
> > > > > > answer that directly pertains to the DataGrdColumn issue.
> > > > > >
> > > > > > --- In flexcoders@yahoogroups.com, "djbrown_rotonews"
> > > > > > <djbrown_rotonews@> wrote:
> > > > > > >
> > > > > > > I'm using Flex Beta 2 and wanting to implement a
generic
> sort
> > > > > that
> > > > > > > will handle the approximate 20 columns I'm displaying.
> > > > > > >
> > > > > > > I've got it set up as follows:
> > > > > > > <mx:DataGridColumn id="col1" resizable="false"
> > > > > > > textAlign="center" fontWeight="bold" headerText="STA"
> > > > > > > width="{dgDelays.width/22}" headerWordWrap="on"
> > > > > > dataField="acfrmsta"
> > > > > > > labelFunction="labelFunction"
> > > sortCompareFunction="sortAlpha"/>
> > > > > > >
> > > > > > > and my sortAlpha takes the form of:
> > > > > > > public function sortAlpha(a:Object,b:Object):int {
> > > > > > >
> > > > > > > var field:String="acfrmsta";
> > > > > > > var string1:String = a[field].attribute("dataValue");
> > > > > > > var string2:String = b[field].attribute("dataValue");
> > > > > > >
> > > > > > > if (string1==string2)
> > > > > > > return 0;
> > > > > > > else if (string1 < string2)
> > > > > > > return -1;
> > > > > > > else
> > > > > > > return 1;
> > > > > > > }
> > > > > > >
> > > > > > > as you can see, I have to hard-code in the value of
> arfrmsta
> > > in
> > > > > > the
> > > > > > > sortalpha() method. How can I drill down and get this
> value
> > > > > > > programatically if I don't have access to something
like
> > > > > > columnIndex
> > > > > > > (which DOES exist apparently in DataGridListData)?
> Either
> > > that,
> > > > > or
> > > > > > I
> > > > > > > can iterate over the column headers if something like
> > > > > > isItemSelected
> > > > > > > () existed.
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
>
--
Flexcoders Mailing List
FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com
SPONSORED LINKS
| Web site design development | Computer software development | Software design and development |
| Macromedia flex | Software development best practice |
YAHOO! GROUPS LINKS
- Visit your group "flexcoders" on the web.
- To unsubscribe from this group, send an email to:
[EMAIL PROTECTED]
- Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
