Le 25 avr. 10 à 00:31, zryip theSlug a écrit :
Hi all,
I'm actually working with datagrids.
First of all, I think that I have to explain my question, so:
Basically a datagrid is divide in 4 parts:
- headers
- scroll bars
- lines of data (that I call "the selectable lines")
- area with no data (that I call "the empty area outside the
selectable lines")
I would like to manage this empty area. I planned to add a new line
when an user double click in it.
For doing that, I created this code in the datagrid script:
on mouseDoubleUp
If ((the dgHeader of the target is empty) and \
(the short name of the mouseControl is not "dgCornerPiece")) then
dg_AddNewLine long id of me,"last",true --C
put the dgNumberOfLines of me into tCurrentRow
set the dgHilitedLines of me to tCurrentRow
dispatch "EditCell" to me with line 2 of the cColumnNames of me,\
tCurrentRow
end if
end mouseDoubleUp
I have difficulties with the scroll bars. When they exists but are not
active (because the list is too small), they traps the double click
and performs the creation of the new line.
What is my best alternative if I assume that I have seen nothing in
the API to manage this empty area?
No doubt someone has already doing that. ;)
I have already give a try to the mouseControl function but it not
returns the scrollbar control because the datagrid bg objects rides
the scrollbar.
Bonjour TheSlug,
You are right; I am fighting with that for a while without any success
(so my post won't not help much ;-((
If one write (in the dg script :
on mouseUp
put the target
end mouseUp
one get,
when clicking on the headers line: graphic "dgBackground"
"" on the Hscrollbar: graphic "dgBackground"
"" on the rows part: graphic "dgAlternatingRows"
"" on the VscrollBar: graphic "dgAlternatingRows"
So it is possible to get "insensible" header line, horizontal scroll
bar and the cornerPiece (bravo! sure I would not have think to this
one ;-))
Thus one can script:
on mouseUp
if the short name of the target is not in
"dgBackground,dgCornerPiece" then
if the dgIndex of the target is empty then beep 3 -- here
dispatch "addLine" etc.
end if
end mouseUp
but the V scroll bar continue to beep like the empty rows part (even
if one click beside a row whose is not empty)
I tried different tricks but seems really impossible to distinguish
the V scroll bar area from the rows area!!! (might be missing
something?)
About this, by testing this solution, I seen an odd behavior with
inactive horizontal scrollbars. When you click on the scrollbar and
have lines in the datagrid, you select the corresponding line. Is it
totally normal?
Right again! I did not noticed that before; seems not normal at all
actually!
Sorry no great help! only confirmation (and for me, learning;
thanks ;-))
Best regards from Grenoble
André
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