-\f
////////////////////////////////////////////////////////////////////////
// A raw value.
//
return stream;
}
-\f
/**
* The smart pointer that manage reference counting
*/
typedef std::vector<SGPropertyNode_ptr> PropertyList;
}
-\f
/**
* The property change listener interface.
*
};
-\f
/**
* A node in a property tree.
*/
T getValue(typename boost::disable_if_c<simgear::props::PropertyTraits<T>::Internal>
::type* dummy = 0) const;
+ /**
+ * Get a list of values from all children with the given name
+ */
+ template<typename T, typename T_get /* = T */> // TODO use C++11 or traits
+ std::vector<T> getChildValues(const std::string& name) const;
+
+ /**
+ * Get a list of values from all children with the given name
+ */
+ template<typename T>
+ std::vector<T> getChildValues(const std::string& name) const;
+
/**
* Set a bool value for this node.
*/
*/
void fireChildAdded (SGPropertyNode * child);
+ /**
+ * Trigger a child-added and value-changed event for every child (Unlimited
+ * depth) and the node itself.
+ *
+ * It can be used to simulating the creation of a property tree, eg. for
+ * (re)initializing a subsystem which is controlled through the property tree.
+ */
+ void fireCreatedRecursive();
/**
* Fire a child-removed event to all listeners.
*/
void fireChildRemoved (SGPropertyNode * child);
+ /**
+ * Fire a child-removed event for every child of this node (Unlimited depth)
+ *
+ * Upon removal of a child node only for this single node a child-removed
+ * event is triggered. If eg. resource cleanup relies on receiving a
+ * child-removed event for every child this method can be used.
+ */
+ void fireChildrenRemovedRecursive();
+
/**
* Clear any existing value and set the type to NONE.
std::vector<SGPropertyChangeListener *> * _listeners;
-\f
// Pass name as a pair of iterators
template<typename Itr>
SGPropertyNode * getChildImpl (Itr begin, Itr end, int index = 0, bool create = false);
return ::getValue<T>(this);
}
+template<typename T, typename T_get /* = T */> // TODO use C++11 or traits
+std::vector<T> SGPropertyNode::getChildValues(const std::string& name) const
+{
+ const simgear::PropertyList& props = getChildren(name);
+ std::vector<T> values( props.size() );
+
+ for( size_t i = 0; i < props.size(); ++i )
+ values[i] = props[i]->getValue<T_get>();
+
+ return values;
+}
+
+template<typename T>
+inline
+std::vector<T> SGPropertyNode::getChildValues(const std::string& name) const
+{
+ return getChildValues<T, T>(name);
+}
+
template<typename T>
bool SGPropertyNode::setValue(const T& val,
typename boost::disable_if_c<simgear::props