cxDoubleSpanSlider.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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modification, are permitted provided that the following conditions are met:

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   this list of conditions and the following disclaimer.

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   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

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   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
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#ifndef CXDOUBLESPANSLIDER_H_
#define CXDOUBLESPANSLIDER_H_

#include "cxResourceWidgetsExport.h"

#include <QWidget>
#include "cxDoubleRange.h"
#include "qxtspanslider.h"
#include "cxDoubleWidgets.h"
#include "cxDoublePairPropertyBase.h"
#include "cxOptimizedUpdateWidget.h"
class QDoubleSpinBox;

namespace cx
{

class cxResourceWidgets_EXPORT DoubleSpanSlider : public QxtSpanSlider
{
  Q_OBJECT

public:
  virtual ~DoubleSpanSlider() {}
  DoubleSpanSlider(QWidget* parent = 0) : QxtSpanSlider(parent)
  {
                connect(this, SIGNAL(spanChanged(int,int)), this, SLOT(spanChangedSlot(int,int)));
    this->setDoubleRange(DoubleRange(0,1,0.1));
  }
  void setDoubleRange(const DoubleRange& range)
  {
    mRange = range;
    this->setRange(0, mRange.resolution());
    this->setSingleStep(mRange.step());
  }
  DoubleRange getDoubleRange() const
  {
        return mRange;
  }
  void setDoubleSpan(double lower, double upper)
  {
        int lower_i = (lower-mRange.min())/mRange.step();
        int upper_i = (upper-mRange.min())/mRange.step();
        this->setSpan(lower_i, upper_i);
  }
  void setDoubleLowerValue(double val)
  {
    int v_i = (val-mRange.min())/mRange.step();
    this->setLowerValue(v_i);
  }
  double getDoubleLowerValue() const
  {
    double v_d = mRange.step()*(double)(this->lowerValue()) + mRange.min();
    return v_d;
  }
  void setDoubleUpperValue(double val)
  {
    int v_i = (val-mRange.min())/mRange.step();
    this->setUpperValue(v_i);
  }
  double getDoubleUpperValue() const
  {
    double v_d = mRange.step()*(double)(this->upperValue()) + mRange.min();
    return v_d;
  }
  void setDoubleTickInterval(double interval)
  {
    this->setTickInterval(interval/mRange.step());
  }

signals:
  void doubleSpanChanged(double lower, double upper);

private slots:
  void spanChangedSlot(int lower, int upper)
  {
    emit doubleSpanChanged(getDoubleLowerValue(), getDoubleUpperValue());
  }

private:
  DoubleRange mRange;
};

class cxResourceWidgets_EXPORT SliderRangeGroupWidget : public OptimizedUpdateWidget
{
  Q_OBJECT
public:
        SliderRangeGroupWidget(QWidget* parent, DoublePairPropertyBasePtr dataInterface, QGridLayout* gridLayout = 0, int row = 0);

        void addToGridLayout(QGridLayout* gridLayout, int row);
  void setRange(const DoubleRange& range);
        void setDecimals(int decimals);
  std::pair<double,double> getValue() const;
        bool setValue(double lower, double upper);

signals:
   void valueChanged(double lower, double upper);

private slots:
  void doubleSpanChangedSlot(double lower, double upper);
  void textEditedSlot();
        void dataChanged();

private:
        SliderRangeGroupWidget();
        void init(QGridLayout *gridLayout, int row);
        void updateGuiRange();
        QLabel* mLabel;
  QDoubleSpinBox* mLowerEdit;
  QDoubleSpinBox* mUpperEdit;
        DoubleSpanSlider* mSpanSlider;

        DoublePairPropertyBasePtr mData;
};


} // namespace cx

#endif /* CXDOUBLESPANSLIDER_H_ */