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97 lines
3.5 KiB
C++
97 lines
3.5 KiB
C++
/*=========================================================================
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Program: ParaView
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Module: pqSpreadSheetViewSelectionModel.h
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Copyright (c) 2005-2008 Sandia Corporation, Kitware Inc.
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All rights reserved.
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ParaView is a free software; you can redistribute it and/or modify it
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under the terms of the ParaView license version 1.2.
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See License_v1.2.txt for the full ParaView license.
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A copy of this license can be obtained by contacting
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Kitware Inc.
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28 Corporate Drive
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Clifton Park, NY 12065
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USA
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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========================================================================*/
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#ifndef pqSpreadSheetViewSelectionModel_h
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#define pqSpreadSheetViewSelectionModel_h
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#include <QItemSelectionModel>
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#include "pqCoreModule.h"
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class pqSpreadSheetViewModel;
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class vtkSMSourceProxy;
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/// This is the selection model used by spread sheet view. It manages two
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/// operations:
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/// \li When the QItemSelectionModel is updated by the QAbstractItemView
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/// due to user interaction, pqSpreadSheetViewModel::select() gets called.
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/// In that overload, this class creates a 'ParaView Selection' i.e. create a
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/// selection source proxy for an ID based selection and set it as the
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/// selection-input (vtkSMSourceProxy::SetSelectionInput) on the
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/// data-source being shown in the view.
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/// \li Whenever the pqSpreadSheetViewModel receives new selection data from the
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/// data-server, it updates its internal QItemSelection and fires
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/// pqSpreadSheetViewModel::selectionChanged signal.
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/// pqSpreadSheetViewSelectionModel handles that signal by updating itself to
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/// mark the corresponding elements as selected.
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class PQCORE_EXPORT pqSpreadSheetViewSelectionModel : public QItemSelectionModel
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{
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Q_OBJECT
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typedef QItemSelectionModel Superclass;
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public:
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pqSpreadSheetViewSelectionModel(pqSpreadSheetViewModel* model, QObject* parent=0);
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~pqSpreadSheetViewSelectionModel();
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public slots:
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virtual void select(const QModelIndex& index,
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QItemSelectionModel::SelectionFlags command)
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{
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this->Superclass::select(index, command);
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}
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virtual void select(const QItemSelection& selection,
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QItemSelectionModel::SelectionFlags command);
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signals:
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void selection(vtkSMSourceProxy*);
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protected slots:
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void serverSelectionChanged(const QItemSelection&);
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protected:
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/// Locate the selection source currently set on the representation being shown.
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/// If no selection exists, or selection present is not "updatable" by this
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/// model, we create a new selection.
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vtkSMSourceProxy* getSelectionSource();
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bool UpdatingSelection;
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private:
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pqSpreadSheetViewSelectionModel(const pqSpreadSheetViewSelectionModel&); // Not implemented.
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void operator=(const pqSpreadSheetViewSelectionModel&); // Not implemented.
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class pqInternal;
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pqInternal* Internal;
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};
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#endif
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