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130 lines
4.4 KiB
C++
130 lines
4.4 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkQtTreeModelAdapter.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/*-------------------------------------------------------------------------
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Copyright 2008 Sandia Corporation.
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Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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the U.S. Government retains certain rights in this software.
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-------------------------------------------------------------------------*/
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/**
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* @class vtkQtTreeModelAdapter
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* @brief Adapts a tree to a Qt item model.
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*
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*
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* vtkQtTreeModelAdapter is a QAbstractItemModel with a vtkTree as its
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* underlying data model.
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*
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* @sa
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* vtkQtAbstractModelAdapter vtkQtTableModelAdapter
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*/
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#ifndef vtkQtTreeModelAdapter_h
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#define vtkQtTreeModelAdapter_h
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#include "vtkGUISupportQtModule.h" // For export macro
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#include "vtkQtAbstractModelAdapter.h"
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#include "vtkType.h" // Needed for vtkIdType
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#include <QHash> // Needed for the decoration map
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#include <QVector> // Needed for the index map
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class vtkSelection;
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class vtkTree;
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class vtkAdjacentVertexIterator;
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class QMimeData;
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class VTKGUISUPPORTQT_EXPORT vtkQtTreeModelAdapter : public vtkQtAbstractModelAdapter
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{
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Q_OBJECT
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public:
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vtkQtTreeModelAdapter(QObject* parent = nullptr, vtkTree* tree = nullptr);
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~vtkQtTreeModelAdapter() override;
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//@{
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/**
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* Set/Get the VTK data object as input to this adapter
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*/
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void SetVTKDataObject(vtkDataObject* data) override;
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vtkDataObject* GetVTKDataObject() const override;
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//@}
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/**
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* Get the stored VTK data object modification time of when the
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* adaption to a Qt model was done. This is in general not the
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* same this as the data objects modification time. It is the mod
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* time of the object when it was placed into the Qt model adapter.
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* You can use this mtime as part of the checking to see whether
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* you need to update the adapter by call SetVTKDataObject again. :)
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*/
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vtkMTimeType GetVTKDataObjectMTime() const;
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//@{
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/**
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* Selection conversion from VTK land to Qt land
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*/
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vtkSelection* QModelIndexListToVTKIndexSelection(const QModelIndexList qmil) const override;
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QItemSelection VTKIndexSelectionToQItemSelection(vtkSelection* vtksel) const override;
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//@}
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void SetKeyColumnName(const char* name) override;
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void SetColorColumnName(const char* name) override;
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/**
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* Set up the model based on the current tree.
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*/
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void setTree(vtkTree* t);
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vtkTree* tree() const { return this->Tree; }
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QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
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bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole) override;
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Qt::ItemFlags flags(const QModelIndex& index) const override;
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QVariant headerData(
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int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
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QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
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QModelIndex parent(const QModelIndex& index) const override;
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int rowCount(const QModelIndex& parent = QModelIndex()) const override;
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int columnCount(const QModelIndex& parent = QModelIndex()) const override;
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//@{
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/**
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* If drag/drop is enabled in the view, the model will package up the current
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* pedigreeid vtkSelection into a QMimeData when items are dragged.
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* Currently only leaves of the tree can be dragged.
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*/
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Qt::DropActions supportedDragActions() const override;
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QMimeData* mimeData(const QModelIndexList& indexes) const override;
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QStringList mimeTypes() const override;
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//@}
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protected:
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void treeModified();
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void GenerateVTKIndexToQtModelIndex(vtkIdType vtk_index, QModelIndex qmodel_index);
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vtkTree* Tree;
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vtkAdjacentVertexIterator* ChildIterator;
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vtkMTimeType TreeMTime;
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QVector<QModelIndex> VTKIndexToQtModelIndex;
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QHash<QModelIndex, QVariant> IndexToDecoration;
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private:
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vtkQtTreeModelAdapter(const vtkQtTreeModelAdapter&) = delete;
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void operator=(const vtkQtTreeModelAdapter&) = delete;
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};
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#endif
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// VTK-HeaderTest-Exclude: vtkQtTreeModelAdapter.h
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