This is really cool. Would you be willing to contribute the code? Quoting Amy Muntz from earlier today: > You would need to sign a contribution agreement (found here: http:// > www.openlaszlo.org/cfaq) that basically assigns copyright to Laszlo > to include your software in the OpenLaszlo project; then all rights > are assigned back to you to use, sell, or whatever you want to do > with the software. Then, just email the agreement (scanned, > signed, pdf or jpg) or fax it to us. The whole process is outlined > at the URL provided above - but basically, this is it. > > I'm sure there are a bunch of people who would find it useful! Hope > to hear from you. > > Best Regards, > Amy Muntz > [EMAIL PROTECTED]
On Apr 5, 2006, at 2:07 PM, Tim Patsch wrote: > I know the combo box performance issue is widely known and many > have been > working towards a solution. I've posted an application (link > below) which I > developed for benchmarking combo box performance. It may be of > help to > anyone working on combo box performance. > > The application times a process whereby a cascading series of combo > boxes > query automobile data from a server. The app allows the user to > dynamically add or remove dummy combo boxes (in blocks of 10) and > then time > the data look-up process again. > > Here it is: > > http://eio-online.com/solocombo/comboperformance.lzx.html > > This automobile data combo box setup is a component of larger > application > that we have developed. The user selects the vehicle year in the > top combo > box and the 4-5 boxes below it are repopulated. > > Here are results of a test I just ran (time elapsed in mins : secs : > millisecs): > > 0 combo boxes added, select vehicle year 2006 - time elapsed 0:1:344 > 10 combo boxes added, select vehicle year 1990 - time elapsed 0:2:609 > 20 combo boxes added, select vehicle year 2006 - time elapsed 0:7:47 > 30 combo boxes added, select vehicle year 1990 - time elapsed 0:8:984 > 40 combo boxes added, select vehicle year 2006 - time elapsed 0:23:609 > 50 combo boxes added, select vehicle year 1990 - time elapsed 0:20:391 > 60 combo boxes added, select vehicle year 2006 - time elapsed 0:43:937 > 70 combo boxes added, select vehicle year 1990 - time elapsed 0:42:157 > 80 combo boxes added, select vehicle year 2006 - time elapsed 1:20:547 > > As you can see the response times rapidly get longer as you > increase the > number of combos in the app until the app boggs down. > > The larger application we've developed contains in the area of > 70-80 combo > boxes (no way out of this. Check boxes or other components won't > fit our > layout). The program's load time and performance are currently > unworkable. > They are keeping us from being able to deploy so we are very hot to > try to > solve this combo box issue. We're currently looking at the combo box > implementation in hopes of working towards a vastly stripped down > alternative but we are not well versed in it's construction or inner > workings. Pointers are welcome :) > > Our hope is that others will also continue the pursuit of a > solution and > post further developments as they occur. > > Thank you. > -- > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.1.385 / Virus Database: 268.3.5/300 - Release Date: > 4/3/2006 > > _______________________________________________ > Laszlo-user mailing list > [email protected] > http://www.openlaszlo.org/mailman/listinfo/laszlo-user _______________________________________________ Laszlo-user mailing list [email protected] http://www.openlaszlo.org/mailman/listinfo/laszlo-user
