+#ifndef MSP_DATAFILE_DIRECTORYCOLLECTION_H_
+#define MSP_DATAFILE_DIRECTORYCOLLECTION_H_
+
+#include <msp/fs/path.h>
+#include "collection.h"
+
+namespace Msp {
+namespace DataFile {
+
+/**
+A Collection that can automatically load items from files in a directory.
+*/
+class DirectoryCollection: public Collection
+{
+private:
+ std::list<FS::Path> dirs;
+
+public:
+ DirectoryCollection();
+
+protected:
+ void set_directory(const FS::Path &);
+ void add_directory(const FS::Path &);
+
+ template<typename T>
+ CollectionItemType<T> &add_type()
+ {
+ return Collection::add_type<T>().creator(&DirectoryCollection::create<T>);
+ }
+
+private:
+ template<typename T>
+ T *create(const std::string &name)
+ {
+ FS::Path file;
+ if(lookup_file(name, file))
+ {
+ RefPtr<T> item = new T;
+ load(*item, file.str());
+ return item.release();
+ }
+ else
+ return 0;
+ }
+
+ bool lookup_file(const std::string &, FS::Path &) const;
+};
+
+} // namespace DataFile
+} // namespace Msp
+
+#endif