X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.event%2Fsrc%2Forg%2Fsimantics%2Fevent%2Fview%2Fhandler%2FClaimAction.java;fp=bundles%2Forg.simantics.event%2Fsrc%2Forg%2Fsimantics%2Fevent%2Fview%2Fhandler%2FClaimAction.java;h=3e8d62cd2100b746fcd2aaedd0ee21d897517d7b;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.event/src/org/simantics/event/view/handler/ClaimAction.java b/bundles/org.simantics.event/src/org/simantics/event/view/handler/ClaimAction.java
new file mode 100644
index 000000000..3e8d62cd2
--- /dev/null
+++ b/bundles/org.simantics.event/src/org/simantics/event/view/handler/ClaimAction.java
@@ -0,0 +1,74 @@
+package org.simantics.event.view.handler;
+
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.simantics.Simantics;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.VirtualGraph;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.service.VirtualGraphSupport;
+import org.simantics.layer0.Layer0;
+import org.simantics.utils.datastructures.Callback;
+import org.simantics.utils.ui.ErrorLogger;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class ClaimAction extends Action {
+
+    protected final String   virtualGraphId;
+    protected final Resource subject;
+    protected final String   relationURI;
+    protected final Resource object;
+
+    /**
+     * @param label
+     * @param image
+     * @param virtualGraphId
+     * @param tagURI
+     * @param tag <code>true</code> to add tag, <code>false</code> to remove tag
+     * @param input
+     */
+    public ClaimAction(String label, ImageDescriptor image, String virtualGraphId, Resource subject, String relationURI, Resource object) {
+        super(label, image);
+
+        this.virtualGraphId = virtualGraphId;
+        this.subject = subject;
+        this.relationURI = relationURI;
+        this.object = object;
+    }
+
+    @Override
+    public void run() {
+        Session session = Simantics.peekSession();
+        if (session != null) {
+            VirtualGraph vg = virtualGraphId == null ? null :
+                session.getService(VirtualGraphSupport.class).getWorkspacePersistent(virtualGraphId);
+            session.asyncRequest(new WriteRequest(vg) {
+                @Override
+                public void perform(WriteGraph graph) throws DatabaseException {
+                    claim(graph);
+                }
+            }, new Callback<DatabaseException>() {
+                @Override
+                public void run(DatabaseException parameter) {
+                    if (parameter != null)
+                        ErrorLogger.defaultLogError(parameter);
+                }
+            });
+        }
+    }
+
+    public void claim(WriteGraph graph) throws DatabaseException {
+        Layer0 L0 = Layer0.getInstance(graph);
+        Resource relation = graph.getResource(relationURI);
+        boolean functional = graph.isInstanceOf(relation, L0.FunctionalRelation);
+        if (functional)
+            graph.deny(subject, relation);
+        graph.claim(subject, graph.getResource(relationURI), object);
+    }
+
+}