#include <memory>
#include <vector>
+#include "rowitemiterator.h"
+
namespace pv {
class SigSession;
class RowItemOwner
{
+public:
+ typedef std::vector< std::shared_ptr<RowItem> > item_list;
+ typedef RowItemIterator<RowItemOwner, RowItem> iterator;
+ typedef RowItemIterator<const RowItemOwner, RowItem> const_iterator;
+
public:
/**
* Returns the session of the onwer.
/**
* Returns a list of row items owned by this object.
*/
- virtual std::vector< std::shared_ptr<RowItem> > child_items() const = 0;
+ virtual item_list& child_items();
+
+ /**
+ * Returns a list of row items owned by this object.
+ */
+ virtual const item_list& child_items() const;
+
+ /**
+ * Clears the list of child items.
+ */
+ void clear_child_items();
+
+ /**
+ * Adds a child item to this object.
+ */
+ void add_child_item(std::shared_ptr<RowItem> item);
+
+ /**
+ * Removes a child item from this object.
+ */
+ void remove_child_item(std::shared_ptr<RowItem> item);
+
+ /**
+ * Returns a depth-first iterator at the beginning of the child RowItem
+ * tree.
+ */
+ iterator begin();
+
+ /**
+ * Returns a depth-first iterator at the end of the child RowItem tree.
+ */
+ iterator end();
+
+ /**
+ * Returns a constant depth-first iterator at the beginning of the
+ * child RowItem tree.
+ */
+ const_iterator begin() const;
+
+ /**
+ * Returns a constant depth-first iterator at the end of the child
+ * RowItem tree.
+ */
+ const_iterator end() const;
virtual void update_viewport() = 0;
+
+private:
+ item_list _items;
};
} // view