Detecting that I'm at the last object in module

Peter_Albert - Mon May 11 05:02:49 EDT 2009
Generally, the loop stops at the last object, hence there is nothing particular for you to do. But the different 'for object in ...' loops stop at different definitions of "last object in module". In your example, the object o after your loop is a handle to the last visible object in the module, which might be a deleted object, if deleted objects are visible.

The same object would be the return value of the 'Object last(Module m)' perm
Assuming that you are interested in the last undeleted object in the module, independent of whether it is visible in the current view, you would use

Module mod = current
Object obj
for obj in entire mod do
{
if (isDeleted obj){continue}
}
print "Object " obj."Absolute Number" " is the last undeleted object in module " name mod "."

If a table happens to appear at the very bottom of your module, and you want to exclude the table and instead get the last object before the table, you would have to include

if (table obj){continue}
if (row obj){continue}
if (cell obj){continue}

in the loop boy.

Regards,

Peter

SystemAdmin - Mon May 11 05:29:13 EDT 2009
Thanks for the hint on all vs. entire; I had overlooked that part.

But to return to the original question: For the exporter I'm writing, I do want to know when I'm at the last object. If I'm not, I want to emit a page break. If I am, I don't want to.

So the question remains: How do I detect that I'm at the last object?

Peter_Albert - Mon May 11 05:39:44 EDT 2009
Well, first get the last object and then check during the export loop:
Module mod = current Module
Object lastObj = null
Object obj
for obj in entire mod do
{if (isDeleted obj){continue}}
lastObj = obj

for obj in entire mod do
{
// do your export stuff here
if (obj != lastObj)
{
// add page break
}
}
Regards,

Peter

adevicq - Mon May 11 08:11:13 EDT 2009
Hi,

... or you can put your page break before:

bool bFirst = true

for o in m do
{
if (!bFirst)
{
page break here
}
bfirst = false

export code here
}

this way, you don't need to detect the last object...

dpechacek - Mon May 11 10:02:24 EDT 2009
Or just use the Object last(Module m) function...

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SystemAdmin - Tue May 12 09:26:32 EDT 2009
That'd be the ticket, except that (if I read the documentation correctly), this function respects the current view settings, which is not useful for me.

dpechacek - Wed May 13 09:06:44 EDT 2009

Module m = current Module;
Filter f = current Filter
filtering(off);
Object o = last(m);
set(m,f);
filtering(on);

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dpechacek - Wed May 13 09:09:53 EDT 2009
Also your original loop you posted also respects the current display set so if that's the loop you're using it wouldn't be an issue.

If you were doing a loop to not respect the current display set, you'd need to do +italics+for o in entire(m) do {+italics+.

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SystemAdmin - Tue May 12 09:26:32 EDT 2009
That'd be the ticket, except that (if I read the documentation correctly), this function respects the current view settings, which is not useful for me.