void InitGraph()
{
graph = GraphBuilder <T, P> .Build(seedEntities, graphBackend.GetRelations, builderRNG, Settings.Instance.maxGraphNodes);
if (graph == null)
{
return;
}
// delay the view construction, so this.drawRect can be set before that runs.
Exec(() => view = new IMView <T, P>(graph, this));
// run layout, unless the user wants to use caches and a cache could be loaded
bool runLayout = Settings.Instance.cacheLayouts ?
!GraphPosSerialization.LoadGraphLayout(graph, seedEntities, graphBackend.GetDecoratedType()) :
true;
if (runLayout)
{
layoutRunning = true;
// make the view focus on the initial graph unfolding
adjustTransformMode = AdjustTransformMode.Instant;
Exec(DoAutoLayout);
}
}
void IWorkspace.ExpandEntity(object entityObj)
{
var entity = entityObj as T;
if (entity == null)
{
Log.Error("Can't expand entity: it is not of type " + typeof(T));
return;
}
if (graph == null)
{
return;
}
if (!graph.ContainsVertex(entity))
{
Log.Error("Can't expand entity that is not in the graph: " + entity);
return;
}
GraphBuilder <T, P> .Expand(graph, entity, graphBackend.GetRelations, builderRNG, graph.VertexCount + Settings.Instance.maxGraphNodes);
adjustTransformMode = AdjustTransformMode.Not; // don't mess with the user's transform settings
Exec(DoAutoLayout);
}
public void OnToolbarGUI()
{
EditorGUI.BeginChangeCheck();
if (graph != null && GUILayout.Button("Relayout", EditorStyles.toolbarButton, GUILayout.ExpandWidth(false)))
{
Exec(() => api.Relayout());
}
// let user pick a layout type (iff tree layout is an option)
if (graph != null && graph.IsTree())
{
layoutType = (LayoutType)GUIUtil.EnumToolbar("", layoutType, (t) => layoutButtonContent[(LayoutType)t], EditorStyles.miniButton);
if (EditorGUI.EndChangeCheck())
{
GUIUtil.SetPrefsInt(GetPrefsKeyLayout(), (int)layoutType);
adjustTransformMode = AdjustTransformMode.Smooth;
Exec(DoAutoLayout);
}
}
#if DEBUG
if (GUILayout.Button("DumpTopo", EditorStyles.toolbarButton, GUILayout.ExpandWidth(false)))
{
TopologySerializer <T, P> .DumpTopology(graph);
}
#endif
// draw view controls
if (view != null)
{
GUILayout.FlexibleSpace();
view.OnToolbarGUI();
}
}
void IWorkspace.AddTargets(object[] targetsToAdd, Vector2 pos)
{
if (targetsToAdd == null)
{
Log.Error("Targets are null");
return;
}
if (targetsToAdd.Any(obj => !expectedTargetType.IsAssignableFrom(obj.GetType())))
{
Log.Error("Not all targets are of type " + expectedTargetType);
return;
}
if (graph == null)
{
return;
}
var addedTargetSeeds = targetsToAdd.SelectMany(graphBackend.Init);
var newSeeds = addedTargetSeeds.Except(seedEntities).ToHashSet(); // find the ones that are actually new
seedEntities.UnionWith(newSeeds);
// when no position is given, use screen center
if (pos == Vector2.zero)
{
pos = (view == null) ? Vector2.zero : view.GetGraphPosition(drawRect.center);
}
else // transform pos to graph space
{
pos = (view == null) ? Vector2.zero : view.GetGraphPosition(pos);
}
GraphBuilder <T, P> .Append(graph, newSeeds, pos, graphBackend.GetRelations, builderRNG, graph.VertexCount + Settings.Instance.maxGraphNodes);
adjustTransformMode = AdjustTransformMode.Not; // don't mess with the user's transform settings
Exec(DoAutoLayout);
}
public void Relayout()
{
adjustTransformMode = AdjustTransformMode.Smooth;
Exec(DoAutoLayout);
}
