/** Open the file dialog for a given property
*
* @param baseProp :: Property pointer
* @return full path to the file(s) to load/save
*/
QString FilePropertyWidget::openFileDialog(Mantid::Kernel::Property *baseProp) {
Mantid::API::FileProperty *prop =
dynamic_cast<Mantid::API::FileProperty *>(baseProp);
if (!prop)
return "";
/* MG 20/07/09: Static functions such as these that use native Windows and MAC
dialogs
in those environments are alot faster. This is unforunately at the expense
of
shell-like pattern matching, i.e. [0-9].
*/
QString filename;
if (prop->isLoadProperty()) {
const auto filter = FileDialogHandler::getFilter(baseProp);
const auto caption = FileDialogHandler::getCaption("Open file", baseProp);
filename = QFileDialog::getOpenFileName(
nullptr, caption,
AlgorithmInputHistory::Instance().getPreviousDirectory(), filter);
} else if (prop->isSaveProperty()) {
filename = FileDialogHandler::getSaveFileName(nullptr, prop);
} else if (prop->isDirectoryProperty()) {
const auto caption =
FileDialogHandler::getCaption("Choose a Directory", baseProp);
filename = QFileDialog::getExistingDirectory(
nullptr, caption,
AlgorithmInputHistory::Instance().getPreviousDirectory());
} else {
throw std::runtime_error(
"Invalid type of file property! This should not happen.");
}
if (!filename.isEmpty()) {
AlgorithmInputHistory::Instance().setPreviousDirectory(
QFileInfo(filename).absoluteDir().path());
}
return filename;
}
/** Open the file dialog for a given property
*
* @param baseProp :: Property pointer
* @return full path to the file(s) to load/save
*/
QString FilePropertyWidget::openFileDialog(Mantid::Kernel::Property * baseProp)
{
Mantid::API::FileProperty* prop =
dynamic_cast< Mantid::API::FileProperty* >( baseProp );
if( !prop ) return "";
//The allowed values in this context are file extensions
std::set<std::string> exts = prop->allowedValues();
std::string defaultExt = prop->getDefaultExt();
/* MG 20/07/09: Static functions such as these that use native Windows and MAC dialogs
in those environments are alot faster. This is unforunately at the expense of
shell-like pattern matching, i.e. [0-9].
*/
QString filename;
if( prop->isLoadProperty() )
{
QString filter = getFileDialogFilter(exts, defaultExt);
filename = QFileDialog::getOpenFileName(NULL, "Open file", AlgorithmInputHistory::Instance().getPreviousDirectory(), filter);
}
else if ( prop->isSaveProperty() )
{
// --------- Save a File -------------
//Have each filter on a separate line with the default as the first
QString filter;
if( !defaultExt.empty() )
{
filter = "*" + QString::fromStdString(defaultExt) + ";;";
}
std::set<std::string>::const_iterator iend = exts.end();
for( std::set<std::string>::const_iterator itr = exts.begin(); itr != iend; ++itr)
{
if( (*itr) != defaultExt )
{
filter.append("*"+QString::fromStdString(*itr) + ";;");
}
}
//Remove last two semi-colons or else we get an extra empty option in the box
filter.chop(2);
// Prepend the default filter
QString selectedFilter;
filename = MantidQt::API::FileDialogHandler::getSaveFileName(NULL, "Save file", AlgorithmInputHistory::Instance().getPreviousDirectory(), filter, &selectedFilter);
//Check the filename and append the selected filter if necessary
if( QFileInfo(filename).completeSuffix().isEmpty() )
{
// Hack off the first star that the filter returns
QString ext = selectedFilter;
if( selectedFilter.startsWith("*.") )
{
// 1 character from the start
ext = ext.remove(0,1);
}
else
{
ext = "";
}
if( filename.endsWith(".") && ext.startsWith(".") )
{
ext = ext.remove(0,1);
}
// Construct the full file name
filename += ext;
}
}
else if ( prop->isDirectoryProperty() )
{
filename = QFileDialog::getExistingDirectory(NULL, "Choose a Directory", AlgorithmInputHistory::Instance().getPreviousDirectory() );
}
else
{
throw std::runtime_error("Invalid type of file property! This should not happen.");
}
if( !filename.isEmpty() )
{
AlgorithmInputHistory::Instance().setPreviousDirectory(QFileInfo(filename).absoluteDir().path());
}
return filename;
}