FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2009 Werner Mayer <wmayer[at]users.sourceforge.net>     *
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 *                                                                         *
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 *   This file is part of the FreeCAD CAx development system.              *
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 *                                                                         *
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 *   This library is free software; you can redistribute it and/or         *
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 *   modify it under the terms of the GNU Library General Public           *
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 *   License as published by the Free Software Foundation; either          *
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 *   version 2 of the License, or (at your option) any later version.      *
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 *                                                                         *
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 *   This library  is distributed in the hope that it will be useful,      *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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 *   GNU Library General Public License for more details.                  *
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 *                                                                         *
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 *   You should have received a copy of the GNU Library General Public     *
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 *   License along with this library; see the file COPYING.LIB. If not,    *
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 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
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 *   Suite 330, Boston, MA  02111-1307, USA                                *
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 *                                                                         *
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 ***************************************************************************/
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#include "PreCompiled.h"
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#include "ProgressIndicator.h"
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using namespace Part;
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/*!
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  \code
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  #include <XSControl_WorkSession.hxx>
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  #include <Transfer_TransientProcess.hxx>
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  STEPControl_Reader aReader;
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  Handle(Message_ProgressIndicator) pi = new ProgressIndicator(100);
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  pi->NewScope(20, "Loading STEP file...");
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  pi->Show();
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  aReader.ReadFile("myfile.stp");
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  pi->EndScope();
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  Handle(StepData_StepModel) Model = aReader.StepModel();
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  pi->NewScope(80, "Translating...");
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  pi->Show();
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  aReader.WS()->MapReader()->SetProgress(pi);
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  Standard_Integer nbr = aReader.NbRootsForTransfer();
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  for ( Standard_Integer n = 1; n<= nbr; n++) {
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    ...
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  }
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  pi->EndScope();
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  \endcode
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 */
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#if OCC_VERSION_HEX < 0x070500
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ProgressIndicator::ProgressIndicator (int theMaxVal)
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  : myProgress(new Base::SequencerLauncher("", theMaxVal))
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{
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    SetScale (0, theMaxVal, 1);
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}
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ProgressIndicator::~ProgressIndicator ()
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{
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}
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Standard_Boolean ProgressIndicator::Show (const Standard_Boolean theForce)
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{
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    if (theForce) {
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        Handle(TCollection_HAsciiString) aName = GetScope(1).GetName(); //current step
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        if (!aName.IsNull())
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            myProgress->setText (aName->ToCString());
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    }
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    Standard_Real aPc = GetPosition(); //always within [0,1]
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    int aVal = (int)(aPc * myProgress->numberOfSteps());
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    myProgress->setProgress (aVal);
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    return Standard_True;
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}
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Standard_Boolean ProgressIndicator::UserBreak()
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{
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    return myProgress->wasCanceled();
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}
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#endif
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