DtRangeEditorWidget.h

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/*****************************************************************************
 * Copyright (c) 2012 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/


#pragma once

#include <vrvCoreQt/vrvCoreQt.h>

#include <vrvCoreQt/DtRangeEditorInterface.h>

#include <QtCore/QString>

#include <QtGui/QWidget>

class QAbstractItemDelegate;
class QStandardItemModel;
class QTreeWidgetItem;
class QGraphicsScene;
class QStandardItem;
class QItemDelegate;
class QGraphicsView;
class QActionGroup;
class QResizeEvent;
class QVBoxLayout;
class QTreeWidget;
class QPushButton;
class QTreeView;
class QMenu;

namespace makVrv
{

   class DT_DLL_VRVCOREQT DtRangeEditorWidget
      : public QWidget , public DtRangeEditorInterface
   {  Q_OBJECT;
   public:

      const static int theRangeStartColumn = 0;
      const static int theRangeEndColumn = 1;
      const static int theColorColumn = 2;

   public:

      DtRangeEditorWidget( DtDe& de, QWidget* parent = 0,
         Qt::WindowFlags flags = 0 );

      virtual ~DtRangeEditorWidget();

      virtual void resizeEvent( QResizeEvent * event );

      virtual void clearGradient();

      virtual void setValueUnits( const QString& units );

      virtual void setValueDecimals( int decimals );

      virtual void setRangeBackgroundColor( const QColor& color );

      virtual QColor rangeBackgroundColor() const;

      virtual void getRange( int index, float& rangeStart, float& rangeEnd,
         QColor& color ) const;

      virtual int numRanges() const;

      virtual void addControlPoint( double rangeStart, double rangeEnd,
         double red, double green, double blue, double alpha = 1.0 );

      virtual void addControlPoint( DtRangeEditorInterface::ControlPoint cp );

      virtual void setGradient( DtRangeEditorInterface::Gradient grad );

      virtual DtRangeEditorInterface::Gradient gradient() const;

      virtual void removeControlPoint( int index );

   public slots:

      virtual void decorate();

   protected slots:

      virtual void insertNewControlPoint();

      virtual void removeSelectedControlPoint();

      virtual void updateGradient();

   protected:

      void setupGui();

      void connectToSignals();

      virtual void insertNewControlPoint( double rangeStart,
         double rangeEnd, const QColor& color );

      std::string colorStringFromColor( const QColor& color );

      QList<QStandardItem*> modelRowFromAltitudeColor(
         double rangeStart, double rangeEnd, std::string color );

      virtual void changeEvent( QEvent* event );

   protected:

      QString myRangeEndLabel;
      QString myRangeStartLabel;

      QColor myBackgroundColor;

      QAbstractItemDelegate* myColorDelegate;
      QAbstractItemDelegate* myValueDelegate;

      QStandardItemModel* myControlPointModel;
      QGraphicsScene* myGradientScene;

      QTreeView* myControlPointView;
      QGraphicsView* myGradientView;
      QPushButton* myAddControlPointButton;
      QPushButton* myRemoveControlPointButton;

      makVrv::DtDe& myDe;

   };

}