Not entirely sure but this sounds much like what .NET coders started doing after working with .net's DataGrid. Just build the table from the specifically required elements.
On 9/10/07, Tracy Spratt <[EMAIL PROTECTED]> wrote: > > I advise starting with one of the existing item renderers. They are > optimized for performance already. Using a container and or high level > components is easy, but will have performance issues if you display a > lot of data. > > I recently modified ListItemRenderer.as to add some conditional > controls. I found that adding the child components in the set data() or > commitProperties() methods was slow, because these methods get called > very often. I opted to create all the controls in createChildren(), > then toggle the visibility, set the position and set the data in set > data(). > > Tracy > > > -----Original Message----- > From: [email protected] <flexcoders%40yahoogroups.com> [mailto: > [email protected] <flexcoders%40yahoogroups.com>] On > Behalf Of Tom Chiverton > Sent: Monday, September 10, 2007 4:45 AM > To: [email protected] <flexcoders%40yahoogroups.com> > Subject: Re: [flexcoders] making optional itemRenderers > > On Monday 10 Sep 2007, [EMAIL PROTECTED] <sadams%40academygroup.org>wrote: > > I have a datagrid which contains a itemRenderer that displays a drop > > down list, now I'd like to conditionally display these drop down > > lists, so they are not displayed in every row of the datagrid. > > I would do this within the itemRenderer itself - if it figures out it > needs to > not show the drop down, it can set the visible property. > > Obviously, make sure all that is triggered from your 'set data' method. > > -- > Tom Chiverton > Helping to greatly benchmark slick materials > on: http://thefalken.livejournal.com > > **************************************************** > > This email is sent for and on behalf of Halliwells LLP. > > Halliwells LLP is a limited liability partnership registered in England > and Wales under registered number OC307980 whose registered office > address is at St James's Court Brown Street Manchester M2 2JF. A list > of members is available for inspection at the registered office. Any > reference to a partner in relation to Halliwells LLP means a member of > Halliwells LLP. Regulated by the Law Society. > > CONFIDENTIALITY > > This email is intended only for the use of the addressee named above and > may be confidential or legally privileged. If you are not the addressee > you must not read it and must not use any information contained in nor > copy it nor inform any person other than Halliwells LLP or the addressee > of its existence or contents. If you have received this email in error > please delete it and notify Halliwells LLP IT Department on 0870 365 > 8008. > > For more information about Halliwells LLP visit www.halliwells.com. > > -- > Flexcoders Mailing List > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt > Search Archives: > http://www.mail-archive.com/flexcoders%40yahoogroups.com > Yahoo! Groups Links > > >
