@Bob S Thanks for the link. Visited it and realised again that DG is very complex. ;)
@Zryip Thank you very much. Works great. Regards, Matthias Matthias Rebbe > Am 09.02.2019 um 16:49 schrieb zryip theSlug via use-livecode > <use-livecode@lists.runrev.com <mailto:use-livecode@lists.runrev.com>>: > > Matthias, > > A possible solution is to add an EditFieldText handler inside the datagrid > group script. > > *command* EditFieldText pTheFieldEditor, pTheIndex, pTheCol > *end* EditFieldText > > This message is invoked by the datagrid table prior to create the field > editor allowing to edit the cell. > Three parameters are passed : > - the field editor reference: pTheFieldEditor > - the index of the row: pTheIndex > - the key (the column name): pTheCol > > The trick consist to test the name of the column the user is trying to edit > (for example col3 of the datagrid) : > > *if* (pTheCol is "Col3") *then* > > > and then get the content of the cell of another column by using the > GetDataOfIndex > function: > > *put* GetDataOfIndex(pTheIndex, "Col2") into tTheValueToTest > > > If you want to allow the edition of the cell, then give a chance to the > EditFieldText to reach the datagrid library > > pass EditFieldText > > if not, then simply not send it > > And don't forget to pass the command for others columns of the datagrid. > > > Here is a final handler applying the recipe for a "col3" based of the > content of "col2". If the cell contains "yes" in col2 then the user is > allowed to edit the content of the cell in col3, if not the cell remains > locked. You can change "yes" for any value or change the test for checking > if the cel in "col2"l is empty or not > > > command* EditFieldText pTheFieldEditor, pTheIndex, pTheCol > if (pTheCol is "Col3") > then put* GetDataOfIndex(pTheIndex, "Col2") into tTheValueToTest > *if* (tTheValueToTest is "yes") > *then** pass* EditFieldText > *end* > *if* > * else** pass* EditFieldText > *end* > *if**end* EditFieldText > > On Fri, Feb 8, 2019 at 10:22 PM Bob Sneidar via use-livecode < > use-livecode@lists.runrev.com <mailto:use-livecode@lists.runrev.com>> wrote: > >> Check the datagrid library. >> http://lessons.livecode.com/m/datagrid/l/7344-data-grid-api >> <http://lessons.livecode.com/m/datagrid/l/7344-data-grid-api> >> >> I believe there is a message sent when a field is opened for editing. >> >> Bob S >> >> >> >>> On Feb 8, 2019, at 11:51 , Matthias Rebbe via use-livecode < >> use-livecode@lists.runrev.com> wrote: >>> >>> Hi, >>> >>> in a project i need the possibility to allow editing a datagrid table >> field only if an other field in the same row contains a value. >>> Is this possible? Any suggestions? >>> >>> Regards, >>> >>> Matthias >> >> >> _______________________________________________ >> use-livecode mailing list >> use-livecode@lists.runrev.com >> Please visit this url to subscribe, unsubscribe and manage your >> subscription preferences: >> http://lists.runrev.com/mailman/listinfo/use-livecode >> > > > -- > Zryip TheSlug > http://www.aslugontheroad.com <http://www.aslugontheroad.com/> > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode