Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling / src / org / simantics / modeling / actions / DisconnectFlag.java

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/actions/DisconnectFlag.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/actions/DisconnectFlag.java
new file mode 100644 (file)
index 0000000..fc3d61c
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/actions/DisconnectFlag.java
@@ -0,0 +1,67 @@
+/*******************************************************************************\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.modeling.actions;\r
+\r
+import java.util.Collections;\r
+import java.util.HashSet;\r
+import java.util.List;\r
+import java.util.Set;\r
+\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.diagram.flag.FlagUtil;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.layer0.utils.operations.Operation;\r
+import org.simantics.utils.datastructures.Callback;\r
+import org.simantics.utils.datastructures.persistent.IContextMap;\r
+import org.simantics.utils.ui.ErrorLogger;\r
+\r
+public class DisconnectFlag extends Operation {\r
+\r
+    public DisconnectFlag() {\r
+        super("Disconnect");\r
+    }\r
+\r
+    @Override\r
+    public void exec(Session session, IContextMap parameters) {\r
+        final Resource flag = (Resource) parameters.get(SUBJECT);\r
+        session.asyncRequest(new WriteRequest() {\r
+            @Override\r
+            public void perform(WriteGraph g) throws DatabaseException {\r
+                disconnectFlags(g, Collections.singletonList(flag));\r
+            }\r
+        }, new Callback<DatabaseException>() {\r
+            @Override\r
+            public void run(DatabaseException parameter) {\r
+                if (parameter != null)\r
+                    ErrorLogger.defaultLogError("Flag disconnect failed, see exception for details.", parameter);\r
+            }\r
+        });\r
+    }\r
+\r
+    public static int disconnectFlags(WriteGraph graph, List<Resource> flags) throws DatabaseException {\r
+        Layer0 L0 = Layer0.getInstance(graph);\r
+        int count = 0;\r
+        for (Resource flag : flags) {\r
+            Set<Resource> counterParts = FlagUtil.getCounterparts(graph, flag,\r
+                    new HashSet<Resource>(Collections.singleton(flag)));\r
+            FlagUtil.disconnectFlag(graph, flag);\r
+            for (Resource f : counterParts)\r
+                graph.denyValue(f, L0.HasLabel);\r
+        }\r
+        return count;\r
+    }\r
+\r
+}\r