Method openFile

src/frontend/widgets/FITSHeaderEditWidget.cpp:171–213

! * \brief Shows a dialog for opening a FITS file * If the returned file name is not empty (so a FITS file was selected) and it's not opened yet * then the file is parsed, so the treeview for the extensions is built and the table is filled. */

 * then the file is parsed, so the treeview for the extensions is built and the table is filled.
 */
void FITSHeaderEditWidget::openFile() {
	KConfigGroup conf = Settings::group(QStringLiteral("FITSHeaderEditWidget"));
	QString dir = conf.readEntry("LastDir", "");
	QString fileName = QFileDialog::getOpenFileName(this, i18nc("@title:window", "Open FITS File"), dir, i18n("FITS files (*.fits *.fit *.fts)"));
	if (fileName.isEmpty())
		return;

	int pos = fileName.lastIndexOf(QLatin1String("/"));
	if (pos != -1) {
		QString newDir = fileName.left(pos);
		if (newDir != dir)
			conf.writeEntry("LastDir", newDir);
	}

	WAIT_CURSOR;
	QTreeWidgetItem* root = ui->twExtensions->invisibleRootItem();
	const int childCount = root->childCount();
	bool opened = false;
	for (int i = 0; i < childCount; ++i) {
		if (root->child(i)->text(0) == fileName) {
			opened = true;
			break;
		}
	}
	if (!opened) {
		for (QTreeWidgetItem* item : ui->twExtensions->selectedItems())
			item->setSelected(false);
		m_fitsFilter->parseExtensions(fileName, ui->twExtensions);
		ui->twExtensions->resizeColumnToContents(0);
		if (ui->twExtensions->selectedItems().size() > 0)
			fillTableSlot(ui->twExtensions->selectedItems().at(0), 0);

		ui->bAddKey->setEnabled(true);
		ui->bRemoveKey->setEnabled(true);
		ui->bAddUnit->setEnabled(true);
		ui->bClose->setEnabled(false);

	} else {
		KMessageBox::information(this, i18n("Cannot open file, file already opened."), i18n("File already opened"));
	}
	enableButtonAddUnit();
	RESET_CURSOR;
}

/*!
 * \brief Triggered when clicking the Save button