X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Fadapters%2FFlagRemover.java;fp=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Fadapters%2FFlagRemover.java;h=34af8d2fef3b1d3d32c9e073bba2ce0033c3d94e;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/adapters/FlagRemover.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/adapters/FlagRemover.java
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+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/adapters/FlagRemover.java
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+/*******************************************************************************
+ * Copyright (c) 2012 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.adapters;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Map;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.diagram.flag.FlagUtil;
+import org.simantics.diagram.stubs.DiagramResource;
+import org.simantics.modeling.adapters.Removers.ValidationResult;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class FlagRemover extends ElementRemover {
+
+    public FlagRemover(Resource flag) {
+        super(flag);
+    }
+
+    @Override
+    public String canRemove(ReadGraph graph, Map<Object, Object> aux) throws DatabaseException {
+        boolean lifted = FlagUtil.isLifted(graph, resource);
+        if (lifted) {
+            ValidationResult result = Removers.validateFlagRemoval(graph, resource);
+            if (result.inUse()) {
+                return Removers.formatError(graph, result);
+            }
+        }
+        return null;
+    }
+
+    @Override
+    public void remove(WriteGraph graph) throws DatabaseException {
+        FlagUtil.disconnectFlag(graph, resource);
+
+        DiagramResource DIA = DiagramResource.getInstance(graph);
+        Collection<Resource> connectionRelations = Collections.emptySet();
+        if (FlagUtil.isLifted(graph, resource))
+            connectionRelations = graph.getObjects(resource, DIA.IsLiftedAs);
+
+        removeElement(graph);
+
+        if (!connectionRelations.isEmpty()) {
+            for (Resource connectionRelation : connectionRelations) {
+                new ConnectionRelationRemover(connectionRelation).remove(graph);
+            }
+        }
+    }
+
+}