TBExportThread.h

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00001 //# TBExportThread.h: Thread that exports a table to VOTable XML format.
00002 //# Copyright (C) 2005
00003 //# Associated Universities, Inc. Washington DC, USA.
00004 //#
00005 //# This library is free software; you can redistribute it and/or modify it
00006 //# under the terms of the GNU Library General Public License as published by
00007 //# the Free Software Foundation; either version 2 of the License, or (at your
00008 //# option) any later version.
00009 //#
00010 //# This library is distributed in the hope that it will be useful, but WITHOUT
00011 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00012 //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00013 //# License for more details.
00014 //#
00015 //# You should have received a copy of the GNU Library General Public License
00016 //# along with this library; if not, write to the Free Software Foundation,
00017 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
00018 //#
00019 //# Correspondence concerning AIPS++ should be addressed as follows:
00020 //#        Internet email: aips2-request@nrao.edu.
00021 //#        Postal address: AIPS++ Project Office
00022 //#                        National Radio Astronomy Observatory
00023 //#                        520 Edgemont Road
00024 //#                        Charlottesville, VA 22903-2475 USA
00025 //#
00026 //# $Id: $
00027 #ifndef TBEXPORTTHREAD_H_
00028 #define TBEXPORTTHREAD_H_
00029 
00030 #include <QtGui>
00031 
00032 #include <casa/BasicSL/String.h>
00033 
00034 namespace casa {
00035 
00036 //# Forward Declarations
00037 class TBTable;
00038 class ProgressHelper;
00039 
00040 // <summary>
00041 // Thread that exports a table to VOTable XML format.
00042 // <summary>
00043 //
00044 // <synopsis>
00045 // TBExportThread is a subclass of QThread assigned with the task of exporting a
00046 // table into VOTable XML format to a specified file.  This task can work in the
00047 // background to allow the user to continue interacting with the table browser.
00048 // </synopsis>
00049 
00050 class TBExportThread : public QThread {
00051 public:
00052     // Constructor that takes the table to export, the file to export to, and an
00053         // optional ProgressHelper to show the progress of the export.
00054     TBExportThread(TBTable* table, String file,
00055                            ProgressHelper* progressPanel = NULL);
00056 
00057     ~TBExportThread();
00058 
00059     
00060     // Overrides QThread::run() which defines the task to be completed by the
00061     // thread.  See TBTable::exportVOTable().
00062     void run();
00063 
00064 private:
00065     // Table to export.
00066     TBTable* table;
00067 
00068     // File to export to.
00069     String file;
00070 
00071     // (Optional) progress helper.
00072     ProgressHelper* progressPanel;
00073 };
00074 
00075 }
00076 
00077 #endif /* TBEXPORTTHREAD_H_ */
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