Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / connection / ConnectionSegmentType.java

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/connection/ConnectionSegmentType.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/connection/ConnectionSegmentType.java
new file mode 100644 (file)
index 0000000..8c77a1c
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/connection/ConnectionSegmentType.java
@@ -0,0 +1,40 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.diagram.connection;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public enum ConnectionSegmentType {\r
+    CONNECTOR_TO_CONNECTOR,\r
+    CONNECTOR_TO_BRANCH,\r
+    BRANCH_TO_BRANCH;\r
+\r
+    public static ConnectionSegmentType toSegmentType(ConnectionSegmentEnd first, ConnectionSegmentEnd second) {\r
+        ConnectionSegmentEnd other = null;\r
+        if (first == ConnectionSegmentEnd.CONNECTOR) {\r
+            other = second;\r
+        } else if (second == ConnectionSegmentEnd.CONNECTOR) {\r
+            other = first;\r
+        } else {\r
+            return ConnectionSegmentType.BRANCH_TO_BRANCH;\r
+        }\r
+        switch (other) {\r
+            case CONNECTOR:\r
+                return ConnectionSegmentType.CONNECTOR_TO_CONNECTOR;\r
+            case BRANCH:\r
+                return ConnectionSegmentType.CONNECTOR_TO_BRANCH;\r
+            default:\r
+                throw new Error("unexpected connection segment end: " + other);\r
+        }\r
+    }\r
+}
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