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%2FDelete.java;fp=bundles%2Forg.simantics.event%2Fsrc%2Forg%2Fsimantics%2Fevent%2Fview%2Fhandler%2FDelete.java;h=06d9a7935ae0fe27092112a5b15051701f108c50;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.event/src/org/simantics/event/view/handler/Delete.java b/bundles/org.simantics.event/src/org/simantics/event/view/handler/Delete.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2011 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.event.view.handler;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.ui.handlers.HandlerUtil;
+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.common.utils.Logger;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.SelectionHints;
+import org.simantics.db.service.VirtualGraphSupport;
+import org.simantics.event.ontology.EventResource;
+import org.simantics.layer0.Layer0;
+import org.simantics.utils.datastructures.Callback;
+import org.simantics.utils.ui.ISelectionUtils;
+
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class Delete extends AbstractHandler {
+
+    protected final String virtualGraphId;
+	
+    public Delete() {
+    	virtualGraphId = "experiments";
+    }
+    
+    @Override
+    public Object execute(ExecutionEvent event) throws ExecutionException {
+        Session session = Simantics.peekSession();
+        if (session == null)
+            return null;
+        ISelection selection = HandlerUtil.getCurrentSelection(event);
+        final List<Resource> resources = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Resource.class);
+        final VirtualGraph vg = virtualGraphId == null ? null :
+            session.getService(VirtualGraphSupport.class).getWorkspacePersistent(virtualGraphId);
+
+        session.asyncRequest(new WriteRequest(vg) {
+            @Override
+            public void perform(WriteGraph graph) throws DatabaseException {
+            	Layer0 L0 = Layer0.getInstance(graph);
+            	EventResource EVENT = EventResource.getInstance(graph);
+            	Set<Resource> eventLogs = new HashSet<Resource>();
+            	for (Resource event : resources) {
+                	if (graph.isInstanceOf(event, EVENT.Event)) {
+                		Resource slice = graph.getPossibleObject(event, L0.PartOf);
+                		if(slice != null) {
+                			Resource eventlog =	graph.getPossibleObject(slice, L0.PartOf);
+                    		if (eventlog != null) eventLogs.add(eventlog);
+                		}
+                	}
+            		graph.deny( event );
+            	}
+            	for (Resource eventlog : eventLogs) {
+            		if (graph.isInstanceOf(eventlog, EVENT.EventLog))
+            		    graph.syncRequest( new CorrectMilestoneLabelsAction(eventlog, vg) );
+            	}
+            }
+        }, new Callback<DatabaseException>() {
+            @Override
+            public void run(DatabaseException e) {
+                if (e != null) Logger.defaultLogError(e);
+            }
+        });
+        return null;
+    }
+
+}