void GeorefConfigDialog::load_world_file_cb(void)
{
const QStringList selection = this->world_file_selector->get_selected_files_full_paths();
if (0 == selection.size()) {
return;
}
WorldFile wfile;
const WorldFile::ReadStatus answer = wfile.read_file(selection.at(0));
switch (answer) {
case WorldFile::ReadStatus::OpenError:
Dialog::error(tr("The World file you requested could not be opened for reading."), this);
break;
case WorldFile::ReadStatus::ReadError:
Dialog::error(tr("Unexpected end of file reading World file."), this);
break;
case WorldFile::ReadStatus::Success:
this->set_widget_values(wfile);
break;
default:
qDebug() << SG_PREFIX_E << "Unhandled read status" << (int) answer;
break;
}
}
/**
Auto attempt to read the world file associated with the image used for the georef.
Based on simple file name conventions.
Only attempted if the preference is on.
*/
static void maybe_read_world_file(FileSelectorWidget * file_selector, void * user_data)
{
if (!user_data) {
return;
}
GeorefConfigDialog * dialog = (GeorefConfigDialog *) user_data;
if (!Preferences::get_param_value(PREFERENCES_NAMESPACE_IO "georef_auto_read_world_file").u.val_bool) {
return;
}
const QString file_full_path = file_selector->get_selected_file_full_path();
if (file_full_path.isEmpty()) {
return;
}
const int len = file_full_path.length();
const bool upper = file_full_path[len - 1].isUpper();
WorldFile wfile;
/* Naming convention 1: .jpg -> .jpgw */
{
const QString world_file_full_path = file_full_path + (upper ? "W" : "w");
qDebug() << SG_PREFIX_I << "Trying to open file with naming convention 1:" << world_file_full_path;
if (WorldFile::ReadStatus::Success == wfile.read_file(world_file_full_path)) {
dialog->set_widget_values(wfile);
qDebug() << SG_PREFIX_I << "Trying to open file with naming convention 1: success";
return;
}
}
/* Naming convention 2: .jpg -> .jgw */
{
if (len > 3) {
QString world_file_full_path = file_full_path;
const QChar last_char = file_full_path[len - 1];
world_file_full_path[len - 2] = last_char;
world_file_full_path[len - 1] = upper ? 'W' : 'w';
qDebug() << SG_PREFIX_I << "Trying to open file with naming convention 2:" << world_file_full_path;
if (WorldFile::ReadStatus::Success == wfile.read_file(world_file_full_path)) {
dialog->set_widget_values(wfile);
qDebug() << SG_PREFIX_I << "Trying to open file with naming convention 2: success";
return;
}
}
}
/* Naming convention 3: always .wld */
{
if (len > 3) {
QString world_file_full_path = file_full_path;
world_file_full_path.chop(3);
if (upper) {
world_file_full_path.append("WLD");
} else {
world_file_full_path.append("wld");
}
qDebug() << SG_PREFIX_I << "Trying to open file with naming convention 3:" << world_file_full_path;
if (WorldFile::ReadStatus::Success == wfile.read_file(world_file_full_path)) {
dialog->set_widget_values(wfile);
qDebug() << SG_PREFIX_I << "Trying to open file with naming convention 3: success";
return;
}
}
}
}
