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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/coregui/Views/CommonWidgets/ItemComboToolBar.cpp
//! @brief Implements class ItemComboToolBar
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "GUI/coregui/Views/CommonWidgets/ItemComboToolBar.h"
#include "Base/Utils/Assert.h"
#include <QAction>
#include <QComboBox>
#include <QStandardItemModel>
ItemComboToolBar::ItemComboToolBar(QWidget* parent)
: StyledToolBar(parent), m_comboBox(new QComboBox), m_comboBoxAction(nullptr)
{
setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
m_comboBox->setToolTip("Select type of graphical presentation.");
m_comboBoxAction = addWidget(m_comboBox);
setComboConnected(true);
}
void ItemComboToolBar::setPresentation(const QString& name)
{
setComboConnected(false);
m_comboBox->setCurrentText(name);
setComboConnected(true);
}
void ItemComboToolBar::setPresentationList(const QStringList& presentationList,
const QStringList& activeList)
{
ASSERT(presentationList.size());
QString previous = currentPresentation();
setComboConnected(false);
m_comboBox->clear();
m_comboBox->addItems(presentationList);
if (activeList.contains(previous))
m_comboBox->setCurrentText(previous);
if (!activeList.isEmpty())
makeItemsEnabled(activeList);
setComboConnected(true);
}
QString ItemComboToolBar::currentPresentation() const
{
return m_comboBox->currentText();
}
//! Sets external actions to tool bar (previous actions will be removed).
void ItemComboToolBar::setActionList(const QList<QAction*>& actionList)
{
for (auto action : actions())
removeAction(action);
for (auto action : actionList) {
addAction(action);
addSpacing();
}
addStyledExpand();
addAction(m_comboBoxAction);
}
void ItemComboToolBar::setComboConnected(bool value)
{
if (value)
connect(m_comboBox,
static_cast<void (QComboBox::*)(const QString&)>(&QComboBox::currentIndexChanged),
this, &ItemComboToolBar::comboChanged, Qt::UniqueConnection);
else
disconnect(
m_comboBox,
static_cast<void (QComboBox::*)(const QString&)>(&QComboBox::currentIndexChanged), this,
&ItemComboToolBar::comboChanged);
}
//! All items in QComboBox which are not in given list, will be disabled (gray and unselectable).
void ItemComboToolBar::makeItemsEnabled(const QStringList& activePresentations)
{
const QStandardItemModel* model = dynamic_cast<const QStandardItemModel*>(m_comboBox->model());
ASSERT(model);
for (int row = 0; row < m_comboBox->count(); ++row) {
QString text = m_comboBox->itemText(row);
model->item(row)->setEnabled(activePresentations.contains(text));
}
}
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