dox/GUISupport/Qt/Chart/vtkQtLineChart.h

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

  Program:   Visualization Toolkit
  Module:    vtkQtLineChart.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 _vtkQtChartLineLayer_h
#define _vtkQtChartLineLayer_h

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

class vtkQtLineChartInternal;
class vtkQtLineChartOptions;


class VTKQTCHART_EXPORT vtkQtLineChart : public vtkQtChartSeriesLayer
{
  Q_OBJECT

public:
  enum {Type = vtkQtChart_LineChartType};

public:
  vtkQtLineChart();
  virtual ~vtkQtLineChart();


  virtual void setChartArea(vtkQtChartArea *area);

  virtual void setModel(vtkQtChartSeriesModel *model);






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

  void setOptions(const vtkQtLineChartOptions &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);

public slots:
  void reset();

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

  void handleLayoutNeeded();

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 handleSeriesVisibilityChange(
    vtkQtChartSeriesOptions* options, bool visible);

  void handleSeriesAxesCornerChange(
    vtkQtChartSeriesOptions* options, int corner, int previous);

  void handleSeriesPointMarkerChange(vtkQtChartSeriesOptions*);

  void updateHighlights();

private:
  bool addSeriesDomain(int series, vtkQtChartLayer::AxesCorner corner,
      int *seriesGroup);

  void calculateDomain(int seriesGroup, vtkQtChartLayer::AxesCorner corner);

  void buildTree();

private:
  vtkQtLineChartInternal *Internal; 
  vtkQtLineChartOptions *Options;   
  bool InModelChange;               
  bool BuildNeeded;                 
};

#endif

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