added recursive combine call for subgraphs

src/bk/Combine.java

@@ -13,9 +13,12 @@ import animation.Memory;
 import animation.Memory.MemoryType;
 import animation.Memory.ReadOnlyMemory;
 import animation.PseudoCodeNode;
+import codelines.Comment;
 import codelines.DeclareVariable;
 import codelines.ForEachLoop;
+import codelines.FunctionCall;
 import codelines.FunctionDefinition;
+import codelines.IfLoop;
 import codelines.SetVariable;
 import graph.LayeredGraphNode;
 
@@ -38,7 +41,7 @@ public class Combine {
                 return super.getDebugOutput( m );
             }
         };
-        root.add( new PseudoCodeNode( "-- Align all Layouts to the one with the smallest width --", vars, tree, new CodeLine() {
+        root.add( new PseudoCodeNode( "-- Call combine of subgraphs --", vars, tree, new CodeLine() {
             @Override
             public ControlFlow runForward(Memory m) {
                 LayeredGraphNode graph = m.read( "graph", MemoryType.LOCAL );
@@ -51,6 +54,22 @@ public class Combine {
                 return new ControlFlow( ControlFlow.STEP_OVER );
             }
         }));
+        PseudoCodeNode recursiveLoop = new PseudoCodeNode( "foreach v in graph do", vars, tree, new ForEachLoop<LayeredGraphNode>( "v" ) {
+            @Override
+            protected List<LayeredGraphNode> list(ReadOnlyMemory m) {
+                return m.<LayeredGraphNode>read( "graph", MemoryType.LOCAL ).getContainedNodes();
+            }
+        });
+        root.add( recursiveLoop );
+        PseudoCodeNode ifNode = new PseudoCodeNode( "if v has subgraph then", vars, tree, new IfLoop() {
+            @Override
+            protected boolean condition(ReadOnlyMemory m) {
+                return m.<LayeredGraphNode>read( "v", MemoryType.LOCAL ).getContainedNodes().size() > 0;
+            }
+        } );
+        recursiveLoop.add( ifNode );
+        ifNode.add( new PseudoCodeNode( "call combine( v );", vars, tree, new FunctionCall( root, new String[]{ "v" } ) ) );
+        root.add( new PseudoCodeNode( "-- Align all Layouts to the one with the smallest width --", vars, tree, new Comment()));
         PseudoCodeNode firstLoop = new PseudoCodeNode( "foreach l in ['DOWN_RIGHT', 'DOWN_LEFT', 'UP_RIGHT', 'UP_LEFT'] do", vars, tree, new ForEachLoop<String>( "l" ) {
             @Override
             protected List<String> list(ReadOnlyMemory m) {