smesh/src/SMESHGUI/SMESHGUI_IdValidator.h

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// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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// SMESH SMESHGUI : GUI for SMESH component
// File : SMESHGUI_IdValidator.h
// Author : Edward AGAPOV, Open CASCADE S.A.S.
//
#ifndef SMESHGUI_IDVALIDATOR_H
#define SMESHGUI_IDVALIDATOR_H
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// SMESH includes
#include "SMESH_SMESHGUI.hxx"
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// Qt includes
#include <QValidator>
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// validator for manual input of Ids
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class SMESHGUI_EXPORT SMESHGUI_IdValidator : public QValidator
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{
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public:
SMESHGUI_IdValidator( QWidget* parent, const int maxNbId = 0 ) :
QValidator( parent ), myMaxNbId( maxNbId ) {}
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State validate( QString& input, int& pos ) const
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{
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input.replace( QRegExp(" *[^0-9]+ *"), " " );
if ( myMaxNbId && input.length() > myMaxNbId ) {
// truncate extra ids
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int ind = 0, nbId = 0;
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while ( ind < input.length() ) {
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if ( input.at( ind ) != ' ' ) {
if ( ++nbId > myMaxNbId ) {
input.truncate( ind );
break;
}
ind = input.indexOf( ' ', ind );
if ( ind < 0 ) break;
}
ind++;
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}
}
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if ( pos > input.length() )
pos = input.length();
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return Acceptable;
}
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private:
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int myMaxNbId;
};
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#endif // SMESHGUI_IDVALIDATOR_H