Unfortunately, the sizeToFit method seems to create and infinite loop condition. trying to sort out WHY it happens.
On Jul 18, 2012, at 1:13 AM, Kyle Sluder wrote: > On Thu, Jun 28, 2012, at 04:42 PM, Maury Markowitz wrote: >> I am working on the ODBCkit's Query Tool to make it work across a wide >> variety of data sources - so far all the major commercial DB's, Firebird, >> MySQL and even SQLite! Got an ODBC target and test DB you'd like to test? >> Throw it my way! >> >> One problem that's come up in a couple of different places is that many >> SQL data types are fixed-width. I ask the recordset for the width, but it >> lies - it says 255 chars, but in fact there's only maybe 25 characters >> actually in the field. It is also surprisingly common to find numbers >> held in huge fixed-char fields. When I space out my TableView based on >> what the DB tells me, I end up with lots of whitespace. >> >> I notice that *after* the DataSource is done setting up and the data is >> in the display, double-clicking the "divider line" in the header gives me >> perfect results. Is there a way to simulate that double-click in code? >> Ideally I'd like to find out what the width would be if I did the action, >> then adjust it for max/min sizes in the code. > > According to the AppKit release notes [1], NSTableView sizes a column to > fit by taking the maximum of the sizes of the preparedCellAtRow:column: > for some number of rows. (I believe Corbin has said it takes a random > subset when the number of rows in the data source is large). This is > presumably why they recommend you implement > -tableView:sizeToFitWidthOfColumn: yourself rather than have NSTableView > do it. > > I'd say you should file an enhancement request asking for the ability to > ask NSTableView to size a particular column to fit, just as if the user > had double-clicked the divider in the header, as it only seems to have > methods that distribute remaining size uniformly or only to the last > column. > > In the meantime, implement -tableView:sizeToFitWidthOfColumn: to return > the right value for each column, and then just call -sizeToFit on the > table view. > > [1] > https://developer.apple.com/library/mac/#releasenotes/Cocoa/AppKitOlderNotes.html > > --Kyle Sluder > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/dru%40druware.com > > This email sent to d...@druware.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
