X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling.template2d.ui%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Ftemplate2d%2Fui%2Fadapters%2FScenegraphChildrenRule.java;fp=bundles%2Forg.simantics.modeling.template2d.ui%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Ftemplate2d%2Fui%2Fadapters%2FScenegraphChildrenRule.java;h=3dedb1c302d63a2039f72f7827b8466048aa52ac;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.modeling.template2d.ui/src/org/simantics/modeling/template2d/ui/adapters/ScenegraphChildrenRule.java b/bundles/org.simantics.modeling.template2d.ui/src/org/simantics/modeling/template2d/ui/adapters/ScenegraphChildrenRule.java new file mode 100644 index 000000000..3dedb1c30 --- /dev/null +++ b/bundles/org.simantics.modeling.template2d.ui/src/org/simantics/modeling/template2d/ui/adapters/ScenegraphChildrenRule.java @@ -0,0 +1,53 @@ +/******************************************************************************* + * Copyright (c) 2013 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.template2d.ui.adapters; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; + +import org.simantics.browsing.ui.model.children.ChildRule; +import org.simantics.db.ReadGraph; +import org.simantics.db.Resource; +import org.simantics.db.common.utils.ListUtils; +import org.simantics.db.exception.DatabaseException; +import org.simantics.layer0.Layer0; +import org.simantics.scenegraph.ontology.ScenegraphResources; + +public class ScenegraphChildrenRule implements ChildRule { + + @Override + public boolean isCompatible(Class contentType) { + return contentType.equals(Resource.class); + } + + @Override + public Collection getChildren(ReadGraph graph, Object parent) + throws DatabaseException { + + Resource entry = (Resource)parent; + Layer0 L0 = Layer0.getInstance(graph); + ScenegraphResources SG = ScenegraphResources.getInstance(graph); + Resource list = graph.getPossibleObject(entry, SG.Node_children); + if(list != null) { + if(graph.isInstanceOf(list, L0.List)) return ListUtils.toList(graph, list); + } + return Collections.emptyList(); + } + + @Override + public Collection getParents(ReadGraph graph, Object child) + throws DatabaseException { + return new ArrayList(); + } + +}