cxLabeledComboBoxWidget.cpp

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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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   this list of conditions and the following disclaimer.

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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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#include "cxLabeledComboBoxWidget.h"
#include <iostream>
#include "cxTypeConversions.h"
#include "cxHelperWidgets.h"
#include "cxLogger.h"

#include "cxSelectDataStringPropertyBase.h"
#include "cxData.h"

namespace cx
{

LabeledComboBoxWidget::LabeledComboBoxWidget(QWidget* parent, StringPropertyBasePtr dataInterface,
    QGridLayout* gridLayout, int row) :
    BaseWidget(parent, "LabeledComboBoxWidget", "LabeledComboBoxWidget")
{
        CX_ASSERT(dataInterface->getAllowOnlyValuesInRange()==true);

        this->setEnabled(dataInterface->getEnabled());

        mData = dataInterface;
        connect(mData.get(), &Property::changed, this, &LabeledComboBoxWidget::setModified);

        mLabel = new QLabel(this);
        mLabel->setText(mData->getDisplayName());

        mCombo = new QComboBox(this);
        connect(mCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(comboIndexChanged(int)));

        if (gridLayout) // add to input gridlayout
        {
        gridLayout->addLayout(mergeWidgetsIntoHBoxLayout(mLabel, addDummyMargin(this)), row, 0);
                gridLayout->addWidget(mCombo, row, 1);
        }
        else // add directly to this
        {
        mTopLayout = new QHBoxLayout;
        mTopLayout->setMargin(0);
        this->setLayout(mTopLayout);

        mTopLayout->addWidget(mLabel);
        mTopLayout->addWidget(mCombo, 1);
        }

    this->setModified();
}

void LabeledComboBoxWidget::comboIndexChanged(int index)
{
        mData->setValue(mCombo->itemData(index).toString());
}

void LabeledComboBoxWidget::showLabel(bool on)
{
        mLabel->setVisible(on);
}

void LabeledComboBoxWidget::prePaintEvent()
{
        mCombo->blockSignals(true);

        this->setEnabled(mData->getEnabled());
        mLabel->setEnabled(mData->getEnabled());
        mCombo->setEnabled(mData->getEnabled());

        QString currentValue = mData->getValue();
        QStringList range = mData->getValueRange();
        if (range.size()!=mCombo->count())
        {
                mCombo->clear();
                mCombo->addItems(range);
        }
        int currentIndex = -1;
        for (int i = 0; i < range.size(); ++i)
        {
                mCombo->setItemIcon(i, this->getIcon(range[i]));
                mCombo->setItemText(i, mData->convertInternal2Display(range[i]));
                mCombo->setItemData(i, range[i]);
                if (range[i] == currentValue)
                        currentIndex = i;
        }
        mCombo->setCurrentIndex(currentIndex);

        mCombo->setToolTip(mData->getHelp());
        mLabel->setToolTip(mData->getHelp());
        mCombo->blockSignals(false);
}

QIcon LabeledComboBoxWidget::getIcon(QString uid)
{
        SelectDataStringPropertyBasePtr dataProperty = boost::dynamic_pointer_cast<SelectDataStringPropertyBase>(mData);
        if(!dataProperty)
                return QIcon();

        DataPtr data = dataProperty->getData(uid);
        if(!data)
                return QIcon();
        return data->getIcon();
}

} // namespace cx