From 230bd2059a621a7ca66ff9532f8629eb04f69108 Mon Sep 17 00:00:00 2001
From: Marko Luukkainen <marko.luukkainen@semantum.fi>
Date: Fri, 20 Dec 2019 15:53:52 +0200
Subject: [PATCH] Support for symbol removes.

Note. the code has not been tested, your results may vary.

gitlab #7

Change-Id: If367c11099fdf3bcf793ef948a1637bd1d6e0d77
---
 .../org/simantics/interop/diagram/Symbol.java | 70 ++++++++-----------
 1 file changed, 29 insertions(+), 41 deletions(-)

diff --git a/org.simantics.interop.diagram/src/org/simantics/interop/diagram/Symbol.java b/org.simantics.interop.diagram/src/org/simantics/interop/diagram/Symbol.java
index c52bfa4..b2f7c30 100644
--- a/org.simantics.interop.diagram/src/org/simantics/interop/diagram/Symbol.java
+++ b/org.simantics.interop.diagram/src/org/simantics/interop/diagram/Symbol.java
@@ -726,6 +726,35 @@ public abstract class Symbol {
 		return symbols.iterator().next();
 	}
 	
+	public void remove(WriteGraph g) throws DatabaseException{
+		Layer0 L0 = Layer0.getInstance(g);
+		StructuralResource2 STR = StructuralResource2.getInstance(g);
+		DiagramResource DIA = DiagramResource.getInstance(g);
+		OrderedSetUtils.remove(g, diagram.getDiagram(), element);
+		if (component != null)
+			g.deny(component, L0.PartOf);
+		Collection<Statement> statements = g.getStatements(element, STR.IsConnectedTo);
+		for (Statement s : statements) {
+			if (g.isInstanceOf(s.getObject(),DIA.Connector)) {
+				Resource connectedConnector = g.getPossibleObject(s.getObject(), DIA.AreConnected);
+				if (connectedConnector != null)
+					g.deny(connectedConnector);
+				g.deny(s.getObject());
+			}
+		}
+		if (component != null) {
+			statements = g.getStatements(component, STR.IsConnectedTo);
+			for (Statement s : statements) {
+				if (g.isInstanceOf(s.getObject(),STR.Connection)) {
+					g.deny(s.getObject());
+				}
+			}
+		}
+		g.deny(element);
+		if (component != null)
+			g.deny(component);
+	}
+	
 	public void dispose() {
 		diagram = null;
 		component = null;
@@ -835,47 +864,6 @@ public abstract class Symbol {
 		}
 	}
 	
-	private static class PointConnectionDataImpl implements PointConnectionData {
-		
-		private Symbol point;
-		
-		public PointConnectionDataImpl(Symbol point) {
-			this.point = point;
-		}
-		
-		@Override
-		public Symbol getPoint() {
-			return point;
-		}
-	}
-	
-	private static class SignalConnectionDataImpl implements SignalConnectionData, DiagramConnectionData{
-		
-		private Resource signalComponent;
-		private Resource[] connectors;
-		
-		public SignalConnectionDataImpl(Resource signalComponent, Resource... connectors) {
-			this.signalComponent = signalComponent;
-			this.connectors = connectors;
-		}
-		
-		@Override
-		public Resource getSignalComponent() {
-			return signalComponent;
-		}
-		
-		@Override
-		public Resource getConnection(int index) {
-			return connectors[index];
-		}
-		
-		@Override
-		public int getConnectionCount() {
-			return connectors.length;
-		}
-		
-	}
-	
 	private static class FlagConnectionDataImpl implements FlagConnectionData, DiagramConnectionData {
 		
 		private Symbol firstFlag;
-- 
2.47.1