[lazarus] updated/mostly working LCL DB test app
acjgenius at earthlink.net
Mon Sep 15 07:49:31 EDT 2003
one field. in the lcl, TSpeedButton.FState was made private in the lcl,
odd as it sounds that 'F' state(which are usually private) is actually a
protected field and almost always required by descendent controls(I have
made a few in delphi so I know). This meant the one error. I changed it
in current cvs saturday, so maybe the snapshot isn't up to date?
On Mon, 2003-09-15 at 05:31, Andrew Higgs wrote:
> Hi Andrew
> I tried to compile in win32 and got the following:
> Compiling dsnavigator.pas
> dsnavigator.pas(265,14) Error: Cannot access a private field of an
> object here
> dsnavigator.pas(734) Fatal: There were 1 errors compiling module, stopping
> Have not tried it in linux yet (can only do that at home tonight). Do I
> have an older/different (fpc-1.0.10) version of fpc than you.
> (downloaded lazarus snapshot this morning).
> Kind regards
> Andrew Higgs
> Andrew Johnson wrote:
> > OK rather then sending this to the list and bog down stuff, I tried to
> > upload it to my site.
> > http://www.ajgenius.us/random/LCLDBTest.tar.gz
> > I have hacked around a few issues with DataSet in my text table, fixed a
> > cancel error; got DataLink working around fcl bug; broke out stuff, and
> > implemented a basic TDBEdit. The test app auto adds info to the table on
> > load(another hack since field loading is broken in the fcl), and this
> > time I managed to get a semi-working dsnavigator in there(nothing
> > changed actual design so still not compatible with delphi's thus the
> > different name).
> > Navigating mostly works, delete edit post cancel and insert mostly
> > work(note the workarounds for delete and post). do not delete if there
> > is only one record. stuff dies. refresh is silly nothing which may or
> > may not do anything worthwhile have no clue if the bookmarks work.
> > The DB aware components do seem to be properly updating barring the one
> > issue with edit and post(which I have the specific temp workaround for),
> > so I see no reason people couldn't start fleshing out these two controls
> > and implementing the other basic ones I mentioned in my earlier post.
> > Since this Text table is very basic, additions to it would of course
> > also be welcome but I figure it serves the needed purpose of a
> > distributable test system without extra deps like MySQl, Interbase et
> > al. Adding extra fields should also work, but again we need the silly
> > hack to add info first then close and reopen to make sure the TField's
> > get created. so follow my initial lead on that.
> > For those who want to help out with the FCL implementation stuff. Well
> > its hard to say but, for example look at my workarounds, and open db.pas
> > and dateset.inc in the FCL and just look for Not implemented. you won't
> > find a shortage of work. also converting fields to a collection etc as
> > was mentioned earlier would be a great help.
> > A note for those graphics artist who want a shot, we need those
> > wonderfull arrow edit cancel post etc glyphs so we can get past the all
> > text on the navigator.
> > hope others out there can help, the more who can the faster this can be
> > truly useable for people, and maybe even builtin into an lcl db package
> > and in lazarus by default. :)
> > Andrew
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