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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/Tuning/ParameterBackupWidget.cpp
//! @brief Implements class ParameterBackupWidget.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2023
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "GUI/View/Tuning/ParameterBackupWidget.h"
#include "Base/Util/Assert.h"
#include "GUI/Model/Par/ParameterTreeItems.h"
#include "GUI/Model/Project/ProjectDocument.h"
#include "GUI/View/Base/SlotFactory.h"
#include <QBoxLayout>
#include <QDateTime>
#include <QDialog>
#include <QLineEdit>
namespace {
void resizeLineEditToContents(QLineEdit* lineedit)
{
QSize text_size = lineedit->fontMetrics().size(0, lineedit->text());
lineedit->setMinimumSize(text_size + QSize(15, 0));
}
class NewSnapshotDialog : public QDialog {
public:
explicit NewSnapshotDialog(QString& newName, QWidget* parent = nullptr)
: QDialog(parent)
{
setWindowTitle("New snapshot");
setMinimumWidth(240);
auto* mainLayout = new QVBoxLayout(this);
QString dateTime = QDateTime::currentDateTime().toString("<dd.MM.yyyy | hh:mm:ss>");
auto* lineEdit = new QLineEdit("State at " + dateTime);
lineEdit->selectAll();
mainLayout->addWidget(lineEdit);
connect(lineEdit, &QLineEdit::textEdited, [this, lineEdit] {
::resizeLineEditToContents(lineEdit);
adjustSize();
});
::resizeLineEditToContents(lineEdit);
auto* okButton = new QPushButton("OK");
okButton->setFixedWidth(50);
mainLayout->addWidget(okButton, 0, Qt::AlignCenter);
okButton->setDefault(true);
connect(okButton, &QPushButton::clicked, [this, &newName, lineEdit] {
newName = lineEdit->text();
accept();
});
}
};
} // namespace
ParameterBackupWidget::ParameterBackupWidget(QWidget* parent)
: QWidget(parent)
, m_combo(new QComboBox)
{
auto* mainLayout = new QVBoxLayout(this);
auto* h1 = new QHBoxLayout;
h1->setAlignment(Qt::AlignLeft);
m_combo->setSizeAdjustPolicy(QComboBox::AdjustToContents);
h1->addWidget(m_combo);
m_remove = new QPushButton(QIcon(":/images/delete.svg"), "Remove");
m_remove->setToolTip("Remove selected snapshot");
h1->addWidget(m_remove);
auto* h2 = new QHBoxLayout;
h2->setAlignment(Qt::AlignLeft);
m_create = new QPushButton(QIcon(":/images/shape-square-plus.svg"), "New snapshot");
m_create->setToolTip("Add new snapshot of parameter tree");
h2->addWidget(m_create);
m_reset = new QPushButton(QIcon(":/images/undo.svg"), "Reset");
m_reset->setToolTip("Reset parameter tree to selected snapshot");
connect(m_reset, &QPushButton::clicked, [this] { backupSwitched(m_combo->currentIndex()); });
h2->addWidget(m_reset);
mainLayout->addLayout(h1);
mainLayout->addLayout(h2);
}
void ParameterBackupWidget::setParameterContainer(ParameterContainerItem* container)
{
ASSERT(container);
m_container = container;
// new snapshot
m_create->disconnect();
connect(m_create, &QPushButton::clicked, [this] {
QString newName;
NewSnapshotDialog dialog(newName);
if (dialog.exec() == QDialog::Accepted)
m_container->addBackupValues(newName);
fillCombo();
QSignalBlocker b(m_combo);
m_combo->setCurrentIndex(m_combo->count() - 1);
m_remove->setEnabled(true);
gDoc->setModified();
});
// delete snapshot
m_remove->disconnect();
connect(m_remove, &QPushButton::clicked, [this] {
if (m_combo->currentIndex() >= 0) {
m_container->deleteBackupValues(m_combo->currentIndex());
fillCombo();
gDoc->setModified();
}
});
// update combo
fillCombo();
}
void ParameterBackupWidget::onComboChange(int index)
{
m_remove->setDisabled(m_combo->currentIndex() <= 0);
m_container->setCurrentIndex(index);
emit backupSwitched(index);
}
void ParameterBackupWidget::fillCombo()
{
QSignalBlocker b(m_combo);
int index = m_container->currentIndex();
m_combo->clear();
m_combo->addItems(m_container->backupTitles());
if (index >= 0) {
if (index < m_combo->count())
m_combo->setCurrentIndex(index);
else
m_combo->setCurrentIndex(m_combo->count() - 1);
}
m_remove->setDisabled(m_combo->currentIndex() <= 0);
connect(m_combo, &QComboBox::currentIndexChanged, this, &ParameterBackupWidget::onComboChange,
Qt::UniqueConnection);
}
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