[api-dev] how to dispatch ".uno:ClosePreview" from java ?
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Hi,
at the moment I am trying to convert some of my basic macros into a java
component :-)
but get stuck with the following problem:
dispatching ".uno:ClosePreview" from java seems not to work in all cases,
if I open a message box directly after the "xDispatch.executeDispatch" the
message
box will be displayed in the preview mode ... after closing the message box, we
are
still in the preview mode ... the dispatch got lost ???
I think this i caused due to the async behaviour of the dispatching framwork ...
I also tried xNotifyingDispatcher.dispatchWithNotification() without success
... :-(
In Basic I used the following:
Function ClosePreview()
Dim oView as Object
Dim oDispatcher as Object
Dim mNoArgs()
Dim i as Integer
oView = ThisComponent.getCurrentController()
If Not hasUnoInterfaces(oView, "com.sun.star.sheet.XSpreadsheetView")
Then
oDispatcher =
createUnoService("com.sun.star.frame.DispatchHelper")
oDispatcher.executeDispatch(ThisComponent.getCurrentController().Frame,
".uno:ClosePreview", "",
0, mNoArgs())
While Not hasUnoInterfaces(oView,
"com.sun.star.sheet.XSpreadsheetView") and i < 10
Wait(0)
oView = ThisComponent.getCurrentController()
i = i + 1
Wend
EndIf
MsgBox "Hello World..." & CStr(i)
End Function
Any hints ?
Oliver
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[api-dev] LoadComponentFromURL using an XInputStream in Basic
I am using OOo 2.0.3 on Linux FC4.
I store a binary file into a database - Base document if it matters.
First I tried to use a stream:
oStatement.setBinaryStream(2, oStream, oStream.getLength())
The error message said that there was an error from the ODBC driver
stating that the stream was NULL. I found that the following works:
lLen = oStream.getLength()
ReDim oData(0 To lLen-1)
oStream.readBytes(oData(), lLen)
oStatement.setBytes(2, oData(), lLen)
I can extract the data from my database to a file.
oSimpleFileAccess.writeFile(sURL, oStream)
Rather than writing the file to disk, I would prefer to load the file
directly.
Dim oProp(0) As New com.sun.star.beans.PropertyValue
oProp(0).Name = "InputStream" : oProp(0).Value = oStream
REM oProp(1).Name = "ReadOnly": oProp(1).Value = True
REM oProp(2).Name = "FilterName" : oProp(2).Value = "writer8"
StarDesktop.LoadComponentFromUrl("private:stream", "_blank", 0, oProp())
When I try this, however, soffice locks up and I have to manually kill
soffice.
The closest that I could find to a solution is in Java, but it uses a
com.sun.star.lib.uno.adapter.ByteArrayToXInputStreamAdapter
The speculation is that the XInputStream does not support XSeekable.
http://joott.cvs.sourceforge.net/joott/jooconverter2/src/net/sf/jooreports/openoffice/converter/OpenOfficeDocumentConverter.java?view=markup
--
Andrew Pitonyak
My Macro Document: http://www.pitonyak.org/AndrewMacro.odt
My Book: http://www.hentzenwerke.com/catalog/oome.htm
Info: http://www.pitonyak.org/oo.php
See Also: http://documentation.openoffice.org/HOW_TO/index.html
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Re: [api-dev] LoadComponentFromURL using an XInputStream in Basic
Andrew Douglas Pitonyak wrote:
I am using OOo 2.0.3 on Linux FC4.
I store a binary file into a database - Base document if it matters.
First I tried to use a stream:
oStatement.setBinaryStream(2, oStream, oStream.getLength())
The error message said that there was an error from the ODBC driver
stating that the stream was NULL. I found that the following works:
lLen = oStream.getLength()
ReDim oData(0 To lLen-1)
oStream.readBytes(oData(), lLen)
oStatement.setBytes(2, oData(), lLen)
I can extract the data from my database to a file.
oSimpleFileAccess.writeFile(sURL, oStream)
Rather than writing the file to disk, I would prefer to load the file
directly.
Dim oProp(0) As New com.sun.star.beans.PropertyValue
oProp(0).Name = "InputStream" : oProp(0).Value = oStream
REM oProp(1).Name = "ReadOnly": oProp(1).Value = True
REM oProp(2).Name = "FilterName" : oProp(2).Value = "writer8"
StarDesktop.LoadComponentFromUrl("private:stream", "_blank", 0, oProp())
When I try this, however, soffice locks up and I have to manually kill
soffice.
The closest that I could find to a solution is in Java, but it uses a
com.sun.star.lib.uno.adapter.ByteArrayToXInputStreamAdapter
The speculation is that the XInputStream does not support XSeekable.
http://joott.cvs.sourceforge.net/joott/jooconverter2/src/net/sf/jooreports/openoffice/converter/OpenOfficeDocumentConverter.java?view=markup
An "InputStream" property of the MediaDescriptor has to support
XSeekable also. Otherwhise OOo cant deal with it.
But normaly that shouldn't produce a "locked" office instance.
The load request should fail.
But a locked office can be produced by the content you try to load.
Might be the used filter does not match to the type of content you wish
to load. You said that you tried to load a Base document ... but you use
a writer filter ("writer8"). That can produce trouble.
Solutions:
a) Let your stream provide the interface XSeekable.
b) Use another filter or dont specify any filter so
loadComponentFromURL() can search for it's own one.
c) Try to load several other contents, to make sure that your problem is
not related to these.
Regards
Andreas
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Re: [api-dev] how to dispatch ".uno:ClosePreview" from java ?
Oliver Brinzing wrote:
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Hash: SHA1
Hi,
at the moment I am trying to convert some of my basic macros into a java
component :-)
but get stuck with the following problem:
dispatching ".uno:ClosePreview" from java seems not to work in all cases,
if I open a message box directly after the "xDispatch.executeDispatch" the
message
box will be displayed in the preview mode ... after closing the message box, we
are
still in the preview mode ... the dispatch got lost ???
I think this i caused due to the async behaviour of the dispatching framwork ...
I also tried xNotifyingDispatcher.dispatchWithNotification() without success
... :-(
In Basic I used the following:
Function ClosePreview()
Dim oView as Object
Dim oDispatcher as Object
Dim mNoArgs()
Dim i as Integer
oView = ThisComponent.getCurrentController()
If Not hasUnoInterfaces(oView, "com.sun.star.sheet.XSpreadsheetView")
Then
oDispatcher =
createUnoService("com.sun.star.frame.DispatchHelper")
oDispatcher.executeDispatch(ThisComponent.getCurrentController().Frame,
".uno:ClosePreview", "",
0, mNoArgs())
While Not hasUnoInterfaces(oView,
"com.sun.star.sheet.XSpreadsheetView") and i < 10
Wait(0)
oView = ThisComponent.getCurrentController()
i = i + 1
Wend
EndIf
MsgBox "Hello World..." & CStr(i)
End Function
Any hints ?
Using of the interface XNotifyingDispatch does not make the dispatch
itself synchron ... it guarantees only, that the given listener will be
called. Becausde normal XStatusListener used for a XDispatch call are
not guaranteed to be used !
If you wish to force a synchronous execution of your dispatch you should
try the argument "Asynchron" as [bool] with a valud "false".
But note: Forcing the synchron mode for an asnychronous operation can
make trouble. E.g. closing of such preview will destroy resources, which
are used by your own java code. In such case Disposed- or
RuntimeExcception can occure, which of course must be handled by your
code. You have to make sure that all references to these preview was
released by yourself
/Hint: GarbageCollector .-)
Oliver
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Regards
Andreas
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