void DicomSelectorDialog::exec() {
typedef itk::ImageFileReader< CTImageType > ReaderType;
int index = 0; bool canceled = false;
QProgressDialog indexProgress(tr("Indexing Files..."), tr("Abort"), 0, m_fileNames.size(), this);
indexProgress.setMinimumDuration(1000);
indexProgress.setWindowModality(Qt::ApplicationModal);
while( index < m_fileNames.size() ) {
indexProgress.setValue(index + 1);
if (indexProgress.wasCanceled()) break;
if ( boost::filesystem::is_directory( m_fileNames[index].toAscii().data() ) )
{
boost::filesystem::path fpath( m_fileNames.takeAt(index).toAscii().data() );
QList< boost::filesystem::path > pathList;
boost::filesystem::directory_iterator end_itr; // default construction yields past-the-end
pathList.push_back( fpath );
indexProgress.setMaximum(m_fileNames.size() + pathList.size());
while( !pathList.isEmpty() ) {
if (indexProgress.wasCanceled()) break;
boost::filesystem::path currentPath = pathList.takeFirst();
for ( boost::filesystem::directory_iterator itr( currentPath ); itr != end_itr; ++itr )
{
if (indexProgress.wasCanceled()) break;
if ( boost::filesystem::is_directory(itr->status()) )
{
pathList.push_back( itr->path() );
indexProgress.setMaximum(m_fileNames.size() + pathList.size());
indexProgress.setValue(index);
}
else if ( boost::filesystem::is_regular_file( itr->status() ))
{
m_fileNames.push_back( itr->path().directory_string().c_str() );
}
}
}
} else {
index++;
}
}
canceled = indexProgress.wasCanceled();
m_fileNames.removeDuplicates();
if (!canceled ) {
QProgressDialog metaReadProgress(tr("Reading MetaData..."), tr("Abort"), 0, m_fileNames.size(), this);
metaReadProgress.setMinimumDuration(1000);
metaReadProgress.setWindowModality(Qt::ApplicationModal);
for(int i = 0; i < m_fileNames.size(); i++) {
metaReadProgress.setValue(i);
if (metaReadProgress.wasCanceled())
break;
boost::filesystem::path fpath( m_fileNames[i].toAscii().data() );
if ( boost::filesystem::is_regular_file( fpath ) ) {
try {
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( fpath.string() );
reader->GenerateOutputInformation();
m_ctImageModel.appendFilename( reader->GetMetaDataDictionary(), fpath.string() );
} catch (itk::ImageFileReaderException &ifrExep) {
std::cerr << "Exception caught !" << std::endl;
std::cerr << ifrExep << std::endl;
} catch (itk::ExceptionObject & excep) {
std::cerr << "Exception caught !" << std::endl;
std::cerr << excep << std::endl;
}
}
}
}
if (m_ctImageModel.rowCount(QModelIndex())==0) return;
treeView->setModel( &m_ctImageModel );
treeView->selectAll();
for(unsigned int t=0; t < m_HeaderFields.size(); t++) treeView->resizeColumnToContents(t);
treeView->setSortingEnabled(true);
treeView->sortByColumn(2,Qt::AscendingOrder);
QDialog::exec();
}
