X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Factions%2FDisconnectFlag.java;fp=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Factions%2FDisconnectFlag.java;h=fc3d61c8400f1f74c1ac212f8e5ab67736f99dd2;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

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
index 000000000..fc3d61c84
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/actions/DisconnectFlag.java
@@ -0,0 +1,67 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.modeling.actions;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.diagram.flag.FlagUtil;
+import org.simantics.layer0.Layer0;
+import org.simantics.layer0.utils.operations.Operation;
+import org.simantics.utils.datastructures.Callback;
+import org.simantics.utils.datastructures.persistent.IContextMap;
+import org.simantics.utils.ui.ErrorLogger;
+
+public class DisconnectFlag extends Operation {
+
+    public DisconnectFlag() {
+        super("Disconnect");
+    }
+
+    @Override
+    public void exec(Session session, IContextMap parameters) {
+        final Resource flag = (Resource) parameters.get(SUBJECT);
+        session.asyncRequest(new WriteRequest() {
+            @Override
+            public void perform(WriteGraph g) throws DatabaseException {
+                disconnectFlags(g, Collections.singletonList(flag));
+            }
+        }, new Callback<DatabaseException>() {
+            @Override
+            public void run(DatabaseException parameter) {
+                if (parameter != null)
+                    ErrorLogger.defaultLogError("Flag disconnect failed, see exception for details.", parameter);
+            }
+        });
+    }
+
+    public static int disconnectFlags(WriteGraph graph, List<Resource> flags) throws DatabaseException {
+        Layer0 L0 = Layer0.getInstance(graph);
+        int count = 0;
+        for (Resource flag : flags) {
+            Set<Resource> counterParts = FlagUtil.getCounterparts(graph, flag,
+                    new HashSet<Resource>(Collections.singleton(flag)));
+            FlagUtil.disconnectFlag(graph, flag);
+            for (Resource f : counterParts)
+                graph.denyValue(f, L0.HasLabel);
+        }
+        return count;
+    }
+
+}