/// <summary>
/// Add a new child but the behaviour does not need to be saved.
/// Used for collapsed referenced behaviours which show the behaviours they reference.
/// </summary>
/// <param name="connector">The connector the node will be added to. Use null for default connector.</param>
/// <param name="node">The node you want to append.</param>
/// <returns>Returns true if the child could be added.</returns>
public virtual bool AddChildNotModified(Connector connector, Node node)
{
Debug.Check(connector != null && _children.HasConnector(connector));
if (!connector.AcceptsChild(node.GetType()))
{
throw new Exception(Resources.ExceptionNodeHasTooManyChildren);
}
if (!connector.AddChild(node))
{
return(false);
}
node._parent = this;
node.CopyWasModifiedFromParent(this);
return(true);
}
/// <summary>
/// Add a new child node.
/// </summary>
/// <param name="connector">The connector the node will be added to. Use null for default connector.</param>
/// <param name="node">The node you want to append.</param>
/// <param name="index">The index of the new node.</param>
/// <returns>Returns true if the child could be added.</returns>
public virtual bool AddChild(Connector connector, Node node, int index)
{
Debug.Check(connector != null && _children.HasConnector(connector));
if (!connector.AcceptsChild(node.GetType()))
{
throw new Exception(Resources.ExceptionNodeHasTooManyChildren);
}
if (!connector.AddChild(node, index))
{
return(false);
}
node._parent = this;
BehaviorWasModified();
return(true);
}
/// <summary>
/// Saves a node to the XML file.
/// </summary>
/// <param name="root">The XML node we want to attach the node to.</param>
/// <param name="node">The node we want to save.</param>
protected void SaveNode(XmlElement root, Node node)
{
// allow the node to process its attributes in preparation of the save
node.PreSave(_node);
// store the class we have to create when loading
XmlElement elem= _xmlfile.CreateElement("Node");
elem.SetAttribute("Class", node.GetType().FullName);
// save attributes
IList<DesignerPropertyInfo> properties= node.GetDesignerProperties();
for(int p= 0; p <properties.Count; ++p)
{
if(!properties[p].Attribute.HasFlags(DesignerProperty.DesignerFlags.NoSave))
elem.SetAttribute(properties[p].Property.Name, properties[p].GetStringValue(node));
}
// append node to root
root.AppendChild(elem);
// save comment
if(node.CommentObject !=null)
{
XmlElement comment= _xmlfile.CreateElement("Comment");
properties= node.CommentObject.GetDesignerProperties();
for(int p= 0; p <properties.Count; ++p)
{
if(!properties[p].Attribute.HasFlags(DesignerProperty.DesignerFlags.NoSave))
comment.SetAttribute(properties[p].Property.Name, properties[p].GetStringValue(node.CommentObject));
}
elem.AppendChild(comment);
}
// save events
foreach(Nodes.Node.SubItem sub in node.SubItems)
{
if(sub is Nodes.Node.SubItemEvent)
{
Events.Event ne= ((Nodes.Node.SubItemEvent)sub).Event;
XmlElement evnt= _xmlfile.CreateElement("Event");
evnt.SetAttribute("Class", ne.GetType().FullName);
// save attributes
properties= ne.GetDesignerProperties();
for(int p= 0; p <properties.Count; ++p)
{
if(!properties[p].Attribute.HasFlags(DesignerProperty.DesignerFlags.NoSave))
elem.SetAttribute(properties[p].Property.Name, properties[p].GetStringValue(ne));
}
elem.AppendChild(evnt);
}
}
// save children if allowed. Disallowed for referenced behaviours.
if(node.SaveChildren)
{
// save connectors
foreach(Nodes.Node.Connector connector in node.Connectors)
{
// if we have no children to store we can skip the connector
if(connector.ChildCount <1)
continue;
XmlElement conn= _xmlfile.CreateElement("Connector");
conn.SetAttribute("Identifier", connector.Identifier);
elem.AppendChild(conn);
// save their children
for(int i= 0; i <connector.ChildCount; ++i)
SaveNode(conn, connector.GetChild(i));
}
}
}