public UIRelationGraphView()
{
styleSheets.Add(Resources.Load <StyleSheet>("NarrativeGraph"));
SetupZoom(ContentZoomer.DefaultMinScale, ContentZoomer.DefaultMaxScale);
this.AddManipulator(new ContentDragger());
this.AddManipulator(new SelectionDragger());
this.AddManipulator(new RectangleSelector());
this.AddManipulator(new FreehandSelector());
var grid = new GridBackground();
Insert(0, grid);
grid.StretchToParentSize();
var provider = ScriptableObject.CreateInstance <UIViewMenuWindowProvider>();
provider.CreateNodeEvent += configuration => {
foreach (var existNode in m_nodes)
{
if (existNode.Configuration == configuration)
{
return(false);
}
}
var node = new UINextLinkNode(configuration);
AddNewNode(node);
return(true);
};
nodeCreationRequest += context => {
if (m_sourceNode == null)
{
return;
}
SearchWindow.Open(new SearchWindowContext(context.screenMousePosition), provider);
};
graphViewChanged += change => {
if (change.elementsToRemove == null)
{
return(change);
}
foreach (var element in change.elementsToRemove)
{
if (element is UINextLinkNode linkNode)
{
m_nodes.RemoveSwap(linkNode);
RefreshPosition();
}
else if (element is Edge edge)
{
m_edges.RemoveSwap(edge);
}
}
return(change);
};
}
public void ChangeSourceNode(UIViewConfiguration.Configuration configuration)
{
foreach (var existNode in m_nodes)
{
existNode.Clear();
RemoveElement(existNode);
}
foreach (var edge in m_edges)
{
RemoveElement(edge);
}
m_edges.Clear();
m_nodes.Clear();
if (configuration == null)
{
return;
}
var node = new UISourceNode(configuration);
m_sourceNode = node;
AddNewNode(node);
if (configuration.Relations == null || configuration.Relations.Length == 0)
{
return;
}
foreach (var relation in configuration.Relations)
{
var relateConfiguration = UIViewConfiguration.GlobalInstance.FindWithGuid(relation.RelationViewGuid);
var relationNode = new UINextLinkNode(relateConfiguration);
AddNewNode(relationNode);
var edge = new Edge {
input = relationNode.InputPort, output = m_sourceNode.OutputPort
};
edge.input.Connect(edge);
edge.output.Connect(edge);
m_edges.Add(edge);
AddElement(edge);
}
}
