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Hal Vaughan wrote:
> On Tuesday 11 September 2007, Andreas Schlüns wrote:
>> Hello Tobias & Hal
>>
>>>>> I think I've been told, and likely here, that in 2.0.x,
>>>>> print listeners like this are no longer necessary, but I'm
>>>>> having a bit of a problem searching and finding this
>>>>> comment and what the background is.
>>>>>
>>>>> In 2.0.x, can I print, then close the document without
>>>>> listening for when the print job is done? Can someone
>>>>> confirm this for me? I've been stuck on this problem for
>>>>> about a month (I thought it was other possibilities, and
>>>>> had another couple issues as well) and I'm at a point where
>>>>> I need to solve it and my client is, understandably,
>>>>> anxious about it.
>>>> Tried it without the print listener and it crashed. Guess it
>>>> still needs listeners.
>>> I wrote a little Java program being able to do the same you
>>> want to do. It opens a document, prints it and closes it.
>>> Calling the program again prints the next document,...
>>>
>>> I also ran into troubles without the print listener. Closing
>>> the document too fast will crash the print job. A print job
>>> listener is good for other reasons, too.
>>>
>>> I can send you my code if needed. Its an easy thing. But well,
>>> its late in Europe and you wont get much help around this
>>> time...
>> You do not need realy a print listener to know when printing of
>> the document will be finished and you can close the document.
>
> In my case, I print, then close, and that seems to be too fast. I
> tried without a print listener and it didn't work.
>
>> The real problem you have ... printing is by default an
>> asynchronous operation. And of course - if you try to dispose a
>> document which is currently in printing state it can crash (at
>> least it shouldnt ... but it can).
>>
>> The best solution: start the printing job with a well documented
>> parameter "Wait=true". see css.view.PrintOptions for further
>> details.
>
> So I can set a print option of "Wait" to "true" and my program will
> wait until the document is printed? Do I understand that properly?
> That would simplify several questions I've had along the way.
>
>> On the other side it can be important how do you close the
>> document. Do you use dispose() or close(). Documentation say you
>> have to preferr XClosable.close().
>
> That's what I'm using.
>
>> Further its always a good idea to control the lifetime of a
>> document without any exception and call close(false). Means -
>> please do not deliver the ownership to the document itself. It
>> can work for a while ... but if you close the application it can
>> make trouble. Because all documents not finished within her jobs
>> ... but closed with "false" does not know how they should handle
>> these situation right. They can of course handle it right ... but
>> mostly they dont do it :-)
>
> But if I use "Wait=true" for printing, then close immediately after
> the doc has been printed, and only load in one at a time, then that
> should eliminate any problems, right?
>
> Hal
>
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Hi Hal,
this code is for you (I hope):
public class PrintDocument {
................................
private static int flag;
public void fire() {
.........................
XPrintable xPrintable =
(XPrintable) UnoRuntime.queryInterface(XPrintable.class,
this.xComponent);
XPrintJobBroadcaster xPrintJobBroadcaster =
(XPrintJobBroadcaster) UnoRuntime.queryInterface(
XPrintJobBroadcaster.class, this.xComponent);
XPrintJobListener xPrintJobListener = new
Printeable();
xPrintJobBroadcaster.addPrintJobListener(xPrintJobListener);
xPrintable.print(this.getPrintOptions());
while (PrintDocument.flag ==
PrintableState.JOB_STARTED_value
|| PrintDocument.flag ==
PrintableState.JOB_SPOOLED_value) {
try {
Thread.sleep(100);
}
catch (InterruptedException e) {
System.err.println(e.getStackTrace());
}
}
.........................................
}
private class Printeable implements XPrintJobListener {
public void printJobEvent(PrintJobEvent arg0) {
int state = arg0.State.getValue();
switch (state) {
case PrintableState.JOB_STARTED_value:
PrintDocument.flag = PrintableState.JOB_STARTED_value;
break;
case PrintableState.JOB_SPOOLED_value:
PrintDocument.flag = PrintableState.JOB_SPOOLED_value;
break;
case PrintableState.JOB_COMPLETED_value:
PrintDocument.flag =
PrintableState.JOB_COMPLETED_value;
break;
case PrintableState.JOB_ABORTED_value:
PrintDocument.flag = PrintableState.JOB_ABORTED_value;
break;
case PrintableState.JOB_FAILED_value:
PrintDocument.flag = PrintableState.JOB_FAILED_value;
break;
case PrintableState.JOB_SPOOLING_FAILED_value:
PrintDocument.flag =
PrintableState.JOB_SPOOLING_FAILED_value;
break;
}
}
public void disposing(EventObject arg0) {
PrintDocument.flag = PrintableState.JOB_COMPLETED_value;
}
}
}
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