Preserve directory structure when loading the maps

src/common/treenode.h

@@ -0,0 +1,29 @@
+#ifndef TREENODE_H
+#define TREENODE_H
+
+#include <QList>
+#include <QString>
+
+template <typename T>
+class TreeNode
+{
+public:
+	TreeNode() {}
+	TreeNode(const QString &name) : _name(name) {}
+
+	const QString &name() const {return _name;}
+	const QList<TreeNode> &childs() const {return _childs;}
+	const QList<T> &items() const {return _items;}
+
+	void addItem(T node) {_items.append(node);}
+	void addChild(const TreeNode<T> &child) {_childs.append(child);}
+
+	bool isEmpty() const {return _childs.isEmpty() && _items.isEmpty();}
+
+private:
+	QString _name;
+	QList<TreeNode> _childs;
+	QList<T> _items;
+};
+
+#endif // TREENODE_H