Configurable connection crossing styles

[simantics/platform.git] / bundles / org.simantics.scenegraph / src / org / simantics / scenegraph / g2d / nodes / ConnectionCrossingsNode.java

diff --git a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/ConnectionCrossingsNode.java b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/ConnectionCrossingsNode.java
new file mode 100644 (file)
index 0000000..a46c4e7
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+++ b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/ConnectionCrossingsNode.java
@@ -0,0 +1,49 @@
+/*******************************************************************************
+ * Copyright (c) 2020 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.scenegraph.g2d.nodes;
+
+import java.awt.Graphics2D;
+import java.awt.geom.Rectangle2D;
+
+import org.simantics.diagram.connection.rendering.ConnectionCrossings;
+import org.simantics.diagram.connection.rendering.ConnectionRenderingHints;
+import org.simantics.scenegraph.g2d.G2DNode;
+
+public class ConnectionCrossingsNode extends G2DNode {
+
+    private static final long serialVersionUID = -696142275610396889L;
+
+    private ConnectionCrossings crossings;
+    
+    @Override
+    public void render(Graphics2D g) {
+        crossings.reset();
+        if (crossings.getWidth() > 0 && crossings.getType() != ConnectionCrossings.Type.NONE)  {
+            g.setRenderingHint(ConnectionRenderingHints.KEY_PATH_MODIFIER, crossings);
+        } else {
+            g.setRenderingHint(ConnectionRenderingHints.KEY_PATH_MODIFIER, null);
+        }
+    }
+    
+    public void setCrossings(ConnectionCrossings crossings) {
+        this.crossings = crossings;
+    }
+
+    @Override
+    public Rectangle2D getBoundsInLocal() {
+        return null;
+    }
+    
+    public ConnectionCrossings getConnectionCrossings() {
+        return crossings;
+    }
+}