gridlayout issue...

[Guest]

hi everybody,
i'm evaluating windowbuilderpro 3.0.1, build 050109, for eclipse 3.1 .

everything works okay, but i experienced one odd thing:
i placed a gridlayout into a swing container (jpanel, jtabbedpane, ...) and set the number of columns to a value. then i entered a value for rows, as soon as i left the textfield the number of cols went back to 0 again??!!
so i changed both values in the source code, when opening it with designer again, both values are in the layout-property, but changing either one results in 0 for the other.

can you help we with this,
many thanks

[Eric Clayberg]

everything works okay, but i experienced one odd thing:
i placed a gridlayout into a swing container (jpanel, jtabbedpane, ...) and set the number of columns to a value. then i entered a value for rows, as soon as i left the textfield the number of cols went back to 0 again??!!
so i changed both values in the source code, when opening it with designer again, both values are in the layout-property, but changing either one results in 0 for the other.

That is completely intentional. With a GridLayout, you can't constrain both dimensions. If you try, once you exceed the capacity (rows x columns), it will keep the rows constraint and start adding new columns (in effect the columns constrain is ignored). To actually constrain the number of columns, the number of rows must be set to zero. The Designer editor understands this and ensures that the last constraint that you set is put into effect. This requires that the opposite axis be set to zero.