dox/GUISupport/Qt/Chart/vtkQtChartLegendManager.h

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

  Program:   Visualization Toolkit
  Module:    vtkQtChartLegendManager.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 _vtkQtChartLegendManager_h
#define _vtkQtChartLegendManager_h

#include "vtkQtChartExport.h"
#include <QObject>

class vtkQtChartArea;
class vtkQtChartLayer;
class vtkQtChartLegend;
class vtkQtChartLegendManagerInternal;
class vtkQtChartLegendModel;
class vtkQtChartSeriesLayer;
class vtkQtChartSeriesModel;


class VTKQTCHART_EXPORT vtkQtChartLegendManager : public QObject
{
  Q_OBJECT

public:
  vtkQtChartLegendManager(QObject *parent=0);
  virtual ~vtkQtChartLegendManager();





  void setChartArea(vtkQtChartArea *area);

  void setChartLegend(vtkQtChartLegend *legend);

public slots:
  void insertLayer(int index, vtkQtChartLayer *chart);

  void removeLayer(int index, vtkQtChartLayer *chart);

  void setLayerVisible(vtkQtChartLayer *chart, bool visible);

private slots:
  void changeModel(vtkQtChartSeriesModel *previous,
      vtkQtChartSeriesModel *current);

  void updateModelEntries(int first, int last);

  void insertModelEntries();

  void insertModelEntries(int first, int last);

  void removeModelEntries();

  void removeModelEntries(int first, int last);

private:
  int getLegendIndex(vtkQtChartSeriesLayer *chart);

  int getLegendIndex(vtkQtChartSeriesModel *model,
      vtkQtChartSeriesLayer **chart=0);

  void insertLegendEntries(vtkQtChartLegendModel *legend, int index,
      vtkQtChartSeriesLayer *chart, vtkQtChartSeriesModel *model,
      int first, int last);

  void removeLegendEntries(vtkQtChartLegendModel *legend, int index,
      int first, int last);

private:
  vtkQtChartLegendManagerInternal *Internal; 
  vtkQtChartArea *Area;                      
  vtkQtChartLegend *Legend;                  

private:
  vtkQtChartLegendManager(const vtkQtChartLegendManager &);
  vtkQtChartLegendManager &operator=(const vtkQtChartLegendManager &);
};

#endif

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