cxDoubleSpanSlider.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/
#include "cxDoubleSpanSlider.h"
#include <QDoubleSpinBox>
#include "cxHelperWidgets.h"

namespace cx
{

void SliderRangeGroupWidget::addToGridLayout(QGridLayout* gridLayout, int row)
{
  gridLayout->addWidget(mLabel,      row, 0);
  gridLayout->addWidget(mLowerEdit,  row, 1);
  gridLayout->addWidget(mUpperEdit,  row, 1);
  gridLayout->addWidget(mSpanSlider, row, 2);
}

SliderRangeGroupWidget::SliderRangeGroupWidget(QWidget* parent, DoublePairPropertyBasePtr dataInterface, QGridLayout* gridLayout, int row) : OptimizedUpdateWidget(parent)
{
        mData = dataInterface;
        this->init(gridLayout, row);
}

void SliderRangeGroupWidget::init(QGridLayout *gridLayout, int row)
{
        mLabel = new QLabel(this);
        mLabel->setText(mData->getDisplayName());
        mLowerEdit = new QDoubleSpinBox(this);
        mSpanSlider = new DoubleSpanSlider(this);
        mSpanSlider->setOrientation(Qt::Horizontal);
        mSpanSlider->setHandleMovementMode(QxtSpanSlider::NoOverlapping);
        mUpperEdit = new QDoubleSpinBox(this);

        this->setDecimals(mData->getValueDecimals());

        if (gridLayout) // add to input gridlayout
        {
                        gridLayout->addLayout(mergeWidgetsIntoHBoxLayout(mLabel, addDummyMargin(this)), row, 0);

                        QHBoxLayout* controlsLayout = new QHBoxLayout;
                        controlsLayout->setSpacing(0);
                        controlsLayout->setMargin(0);
                        gridLayout->addLayout(controlsLayout, row, 1);

                        controlsLayout->addWidget(mLowerEdit);
                        controlsLayout->addWidget(mSpanSlider, 1);
                        controlsLayout->addWidget(mUpperEdit);
        }
        else // add directly to this
        {
                QHBoxLayout* topLayout = new QHBoxLayout;
                topLayout->setMargin(0);
                this->setLayout(topLayout);

                topLayout->addWidget(mLabel);
                topLayout->addWidget(mLowerEdit);
                topLayout->addWidget(mSpanSlider, 1);
                topLayout->addWidget(mUpperEdit);
        }

        connect(mLowerEdit, SIGNAL(valueChanged(double)), this, SLOT(textEditedSlot()));
        // connect to slider
        connect(mSpanSlider, SIGNAL(doubleSpanChanged(double, double)), this, SLOT(doubleSpanChangedSlot(double, double)));
        connect(mUpperEdit, SIGNAL(valueChanged(double)), this, SLOT(textEditedSlot()));

        // connect to backend
        connect(mData.get(), SIGNAL(changed()), this, SLOT(dataChanged()));
        this->dataChanged();
}

void SliderRangeGroupWidget::setRange(const DoubleRange& range)
{
        mData->setValueRange(range);
        this->updateGuiRange();
}

void SliderRangeGroupWidget::setDecimals(int decimals)
{
        mLowerEdit->setDecimals(decimals);
        mUpperEdit->setDecimals(decimals);
}

std::pair<double,double> SliderRangeGroupWidget::getValue() const
{
        return std::make_pair(mData->getValue()[0], mData->getValue()[1]);
}

void SliderRangeGroupWidget::doubleSpanChangedSlot(double lower, double upper)
{
        this->setValue(lower, upper);
}

bool SliderRangeGroupWidget::setValue(double lower, double upper)
{
        Eigen::Vector2d val = Eigen::Vector2d(lower, upper);
        if (val == mData->getValue())
                return false;

        mData->setValue(val);
        return true;
}

void SliderRangeGroupWidget::textEditedSlot()
{
        this->setValue(mLowerEdit->value(), mUpperEdit->value());
}

void SliderRangeGroupWidget::dataChanged()
{
        this->updateGuiRange();

        mSpanSlider->blockSignals(true);
        mLowerEdit->blockSignals(true);
        mUpperEdit->blockSignals(true);

        mSpanSlider->setDoubleSpan(mData->getValue()[0], mData->getValue()[1]);
        mLowerEdit->setValue(mData->getValue()[0]);
        mUpperEdit->setValue(mData->getValue()[1]);

        mSpanSlider->blockSignals(false);
        mLowerEdit->blockSignals(false);
        mUpperEdit->blockSignals(false);

        emit valueChanged(mData->getValue()[0], mData->getValue()[1]);
        this->setModified();
}

void SliderRangeGroupWidget::updateGuiRange()
{
        DoubleRange range = mData->getValueRange();

        mSpanSlider->setDoubleRange(range);

        mLowerEdit->setRange(range.min(), range.max());
        mLowerEdit->setSingleStep(range.step());

        mUpperEdit->setRange(range.min(), range.max());
        mUpperEdit->setSingleStep(range.step());
}


} // namespace cx