dox/GUISupport/Qt/Chart/vtkQtBarChart.h

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

  Program:   Visualization Toolkit
  Module:    vtkQtBarChart.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 _vtkQtBarChart_h
#define _vtkQtBarChart_h

#include "vtkQtChartExport.h"
#include "vtkQtChartSeriesLayer.h"

class vtkQtBarChartInternal;
class vtkQtBarChartOptions;
class vtkQtBarChartSeriesOptions;


class VTKQTCHART_EXPORT vtkQtBarChart : public vtkQtChartSeriesLayer
{
  Q_OBJECT

public:
  vtkQtBarChart();
  virtual ~vtkQtBarChart();


  virtual void setChartArea(vtkQtChartArea *area);

  virtual void setModel(vtkQtChartSeriesModel *model);






  vtkQtBarChartOptions *getOptions() const {return this->Options;}

  void setOptions(const vtkQtBarChartOptions &options);

  virtual QPixmap getSeriesIcon(int series) const;


  virtual void getLayerDomain(vtkQtChartLayerDomain &domain) const;

  virtual void layoutChart(const QRectF &area);

  virtual bool getHelpText(const QPointF &point, QString &text);

  virtual void finishInteractiveResize();


  virtual void getSeriesAt(const QPointF &point,
      vtkQtChartSeriesSelection &selection) const;

  virtual void getPointsAt(const QPointF &point,
      vtkQtChartSeriesSelection &selection) const;

  virtual void getSeriesIn(const QRectF &area,
      vtkQtChartSeriesSelection &selection) const;

  virtual void getPointsIn(const QRectF &area,
      vtkQtChartSeriesSelection &selection) const;


  virtual QRectF boundingRect() const;

  virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
      QWidget *widget=0);

public slots:
  void reset();

private slots:
  void prepareSeriesInsert(int first, int last);

  void insertSeries(int first, int last);

  void startSeriesRemoval(int first, int last);

  void finishSeriesRemoval(int first, int last);

  void handleAxesCornerChange();

  void handleOutlineChange();

  void updateHighlights();

protected slots:
  virtual void handleOptionsChanged(vtkQtChartSeriesOptions*,
    int type, const QVariant& newvalue, const QVariant& oldvalue);

private:
  void handleSeriesVisibilityChange(vtkQtChartSeriesOptions* options, bool visible);

  bool addSeriesDomain(int series, int &seriesGroup);

  void calculateDomain(int seriesGroup);

  void createBarList(int seriesGroup);

  void buildBarTree(int seriesGroup);

private:
  vtkQtBarChartInternal *Internal; 
  vtkQtBarChartOptions *Options;   
  bool InModelChange;              
  bool BuildNeeded;                

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

#endif