Method FunctionValuesDialog

src/frontend/spreadsheet/FunctionValuesDialog.cpp:39–90

! \class FunctionValuesDialog \brief Dialog for generating values from a mathematical function. \ingroup frontend */

	\ingroup frontend
 */
FunctionValuesDialog::FunctionValuesDialog(Spreadsheet* s, QWidget* parent)
	: QDialog(parent)
	, m_spreadsheet(s) {
	Q_ASSERT(s);
	setWindowTitle(i18nc("@title:window", "Function Values"));

	ui.setupUi(this);
	setAttribute(Qt::WA_DeleteOnClose);
	ui.tbConstants->setIcon(QIcon::fromTheme(QStringLiteral("format-text-symbol")));
	ui.tbFunctions->setIcon(QIcon::fromTheme(QStringLiteral("preferences-desktop-font")));

	ui.teEquation->setMaximumHeight(QLineEdit().sizeHint().height() * 2);
	ui.teEquation->setFocus();

// needed for buggy compiler
#if __cplusplus < 201103L
	m_aspectTreeModel = std::auto_ptr<AspectTreeModel>(new AspectTreeModel(m_spreadsheet->project()));
#else
	m_aspectTreeModel = std::unique_ptr<AspectTreeModel>(new AspectTreeModel(m_spreadsheet->project()));
#endif
	m_aspectTreeModel->setSelectableAspects({AspectType::Column});
	m_aspectTreeModel->enableNumericColumnsOnly(true);

	ui.bAddVariable->setIcon(QIcon::fromTheme(QStringLiteral("list-add")));
	ui.bAddVariable->setToolTip(i18n("Add new variable"));

	ui.chkAutoUpdate->setToolTip(i18n("Automatically update the calculated values in the target column on changes in the variable columns"));
	ui.chkAutoResize->setToolTip(i18n("Automatically resize the target column to fit the size of the variable columns"));

	auto* btnBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
	ui.verticalLayout->addWidget(btnBox);
	m_okButton = btnBox->button(QDialogButtonBox::Ok);

	connect(btnBox, &QDialogButtonBox::accepted, this, &FunctionValuesDialog::accept);
	connect(btnBox, &QDialogButtonBox::rejected, this, &FunctionValuesDialog::reject);
	m_okButton->setText(i18n("&Generate"));

	connect(ui.bAddVariable, &QPushButton::pressed, this, &FunctionValuesDialog::addVariable);
	connect(ui.teEquation, &ExpressionTextEdit::expressionChanged, this, &FunctionValuesDialog::checkValues);
	connect(ui.tbConstants, &QToolButton::clicked, this, &FunctionValuesDialog::showConstants);
	connect(ui.tbFunctions, &QToolButton::clicked, this, &FunctionValuesDialog::showFunctions);
	connect(m_okButton, &QPushButton::clicked, this, &FunctionValuesDialog::generate);

	// restore saved settings if available
	create(); // ensure there's a window created
	KConfigGroup conf = Settings::group(QStringLiteral("FunctionValuesDialog"));
	if (conf.exists()) {
		KWindowConfig::restoreWindowSize(windowHandle(), conf);
		resize(windowHandle()->size()); // workaround for QTBUG-40584
	} else
		resize(QSize(300, 0).expandedTo(minimumSize()));
}

FunctionValuesDialog::~FunctionValuesDialog() {
	KConfigGroup conf = Settings::group(QStringLiteral("FunctionValuesDialog"));