vtkQtTreeView.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkQtTreeView.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef vtkQtTreeView_h
#define vtkQtTreeView_h

#include "vtkViewsQtModule.h" // For export macro
#include "vtkQtView.h"

#include <QList> // Needed for member variables
#include <QPointer> // Needed for member variables
#include "vtkSmartPointer.h" // Needed for member variables

class QAbstractItemDelegate;
class QAbstractItemView;
class QFilterTreeProxyModel;
class QColumnView;
class QItemSelection;
class QModelIndex;
class QTreeView;
class vtkApplyColors;
class QVBoxLayout;
class vtkQtTreeModelAdapter;
class QItemSelectionModel;

class VTKVIEWSQT_EXPORT vtkQtTreeView : public vtkQtView
{
Q_OBJECT

signals:
  void expanded(const QModelIndex&);
  void collapsed(const QModelIndex&);
  void updatePreviewWidget(const QModelIndex&);

public:
  static vtkQtTreeView *New();
  vtkTypeMacro(vtkQtTreeView, vtkQtView);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  QWidget* GetWidget() override;

  void SetShowHeaders(bool);

  void SetAlternatingRowColors(bool);

  void SetEnableDragDrop(bool);

  void SetShowRootNode(bool);

  void HideColumn(int i);

  void ShowColumn(int i);

  void HideAllButFirstColumn();

  void SetFilterColumn(int i);

  void SetFilterRegExp(const QRegExp& pattern);

  void SetFilterTreeLevel(int level);

  void Collapse( const QModelIndex & index );

  void CollapseAll();

   void Expand ( const QModelIndex & index );

   void ExpandAll ();

   void ExpandToDepth ( int depth );

   void ResizeColumnToContents ( int column );

  void SetUseColumnView(int state);

  void Update() override;

  void SetItemDelegate(QAbstractItemDelegate* delegate);


  void SetColorArrayName(const char* name);
  const char* GetColorArrayName();


  void SetColorByArray(bool vis);
  bool GetColorByArray();
  vtkBooleanMacro(ColorByArray, bool);

  void ApplyViewTheme(vtkViewTheme* theme) override;

protected:
  vtkQtTreeView();
  ~vtkQtTreeView() override;

  void AddRepresentationInternal(vtkDataRepresentation* rep) override;
  void RemoveRepresentationInternal(vtkDataRepresentation* rep) override;

private slots:
  void slotQtSelectionChanged(const QItemSelection&,const QItemSelection&);

private:
  void SetVTKSelection();
  vtkMTimeType CurrentSelectionMTime;
  vtkMTimeType LastInputMTime;

  vtkSetStringMacro(ColorArrayNameInternal);
  vtkGetStringMacro(ColorArrayNameInternal);

  QPointer<QTreeView> TreeView;
  QPointer<QColumnView> ColumnView;
  QPointer<QWidget> Widget;
  QPointer<QVBoxLayout> Layout;
  QPointer<QItemSelectionModel> SelectionModel;
  QList<int> HiddenColumns;
  vtkQtTreeModelAdapter* TreeAdapter;
  QAbstractItemView* View;
  char* ColorArrayNameInternal;
  QFilterTreeProxyModel* TreeFilter;

  vtkSmartPointer<vtkApplyColors> ApplyColors;

  vtkQtTreeView(const vtkQtTreeView&) = delete;
  void operator=(const vtkQtTreeView&) = delete;

};

#endif