cxStringListSelectWidget.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 "cxStringListSelectWidget.h"

#include <iostream>
#include "cxTypeConversions.h"
#include "cxHelperWidgets.h"
#include "cxLogger.h"
#include <QWidgetAction>
#include <QCheckBox>
#include <QMenu>
#include "boost/bind.hpp"
#include "cxStringListProperty.h"
#include "cxData.h"

namespace cx
{

StringListSelectWidget::StringListSelectWidget(QWidget* parent, StringListPropertyPtr property,
        QGridLayout* gridLayout, int row) :
        BaseWidget(parent, "StringListSelectWidget", "StringListSelectWidget"),
        mData(property)
{
        connect(mData.get(), &Property::changed, this, &StringListSelectWidget::setModified);

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

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

        mMenu = new QMenu(this);
        mButton = new CXSmallToolButton();
        mButton->setIcon(QIcon(":icons/open_icon_library/go-down-4.png"));
        mButton->setPopupMode(QToolButton::InstantPopup);
        mButton->setMenu(mMenu);

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

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

        this->setModified();
}

void StringListSelectWidget::setIcon(QIcon icon)
{
        mButton->setIcon(icon);
}

void StringListSelectWidget::onCheckToggled(QString nodeType, bool value)
{
        QStringList data = mData->getValue();

        if (value)
                data.append(nodeType);
        else
                data.removeAll(nodeType);

        mData->setValue(data);
}

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

void StringListSelectWidget::prePaintEvent()
{
        this->setEnabled(mData->getEnabled());
        mLabel->setEnabled(mData->getEnabled());
        mButton->setEnabled(mData->getEnabled());

        QStringList value = mData->getValue();
        QStringList range = mData->getValueRange();

        if (mCachedRange!=range)
        {
                mCachedRange = range;
                mCheckBoxes.clear();
                mMenu->clear();

                for (int i=0; i<range.size(); ++i)
                {
                        QString uid = range[i];
                        QString name = mData->convertInternal2Display(uid);
                        mCheckBoxes.push_back(new QCheckBox(name, mMenu));
                        boost::function<void(bool)> func = boost::bind(&StringListSelectWidget::onCheckToggled, this, uid, _1);
                        connect(mCheckBoxes[i], &QCheckBox::toggled, func);
                        QWidgetAction *checkableAction = new QWidgetAction(mMenu);
                        checkableAction->setDefaultWidget(mCheckBoxes[i]);
                        mMenu->addAction(checkableAction);
                }
        }

        for (int i=0; i<range.size(); ++i)
        {
                mCheckBoxes[i]->setChecked(value.contains(range[i]));
        }

        mButton->setToolTip(mData->getHelp());
        mLabel->setToolTip(mData->getHelp());
}

} // namespace cx