FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2015 Thomas Anderson <blobfish[at]gmx.com>              *
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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 <App/DocumentObject.h>
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#include <Base/Type.h>
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#include "DAGFilter.h"
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using namespace Gui;
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using namespace DAG;
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FilterBase::FilterBase() : name(QString::fromLatin1("empty name"))
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{
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}
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FilterOrigin::FilterOrigin() : FilterBase()
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{
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  name = QObject::tr("Origin");
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}
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bool FilterOrigin::goFilter(const Vertex &vertexIn, const Graph &graphIn, const GraphLinkContainer &linkIn) const
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{
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  Base::Type originType = Base::Type::fromName("App::Origin");
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  assert (originType != Base::Type::badType());
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  //if child of origin hide.
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  InEdgeIterator it, itEnd;
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  for (boost::tie(it, itEnd) = boost::in_edges(vertexIn, graphIn); it != itEnd; ++it)
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  {
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    Vertex source = boost::source(*it, graphIn);
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    const GraphLinkRecord &sourceRecord = findRecord(source, linkIn);
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    if
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    (
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      (sourceRecord.DObject->getTypeId() == originType) &&
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      (boost::in_degree(vertexIn, graphIn) == 1)
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    )
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      return true;
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  }
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  return false;
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}
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FilterTyped::FilterTyped(const std::string &typeIn) : FilterBase(), type(typeIn)
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{
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  name = QString::fromStdString(typeIn);
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}
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bool FilterTyped::goFilter(const Gui::DAG::Vertex& vertexIn, const Graph& graphIn, const GraphLinkContainer& linkIn) const
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{
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  Q_UNUSED(graphIn);
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  if (type.empty())
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    return false;
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  Base::Type theType = Base::Type::fromName(type.c_str());
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  if (theType == Base::Type::badType())
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    return false;
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  const GraphLinkRecord &sourceRecord = findRecord(vertexIn, linkIn);
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  if (sourceRecord.DObject->getTypeId() == theType)
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    return true;
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  return false;
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}
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