X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.model%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fmodel%2Fmodifiers%2FSingleObjectStringPropertyModifierRule.java;fp=bundles%2Forg.simantics.browsing.ui.model%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fmodel%2Fmodifiers%2FSingleObjectStringPropertyModifierRule.java;h=e154bf7dc32c33a5e51b4e7dfdd72aa8859a9b06;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/modifiers/SingleObjectStringPropertyModifierRule.java b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/modifiers/SingleObjectStringPropertyModifierRule.java new file mode 100644 index 000000000..e154bf7dc --- /dev/null +++ b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/modifiers/SingleObjectStringPropertyModifierRule.java @@ -0,0 +1,103 @@ +/******************************************************************************* + * 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.browsing.ui.model.modifiers; + +import org.simantics.browsing.ui.common.ColumnKeys; +import org.simantics.browsing.ui.common.ErrorLogger; +import org.simantics.browsing.ui.content.Labeler.Modifier; +import org.simantics.db.ReadGraph; +import org.simantics.db.Resource; +import org.simantics.db.Session; +import org.simantics.db.Statement; +import org.simantics.db.WriteGraph; +import org.simantics.db.common.primitiverequest.PossibleAdapter; +import org.simantics.db.common.request.WriteRequest; +import org.simantics.db.exception.DatabaseException; +import org.simantics.db.layer0.adapter.StringModifier; +import org.simantics.db.layer0.adapter.StringModifierFactory; + +/** + * @author Tuukka Lehtonen + */ +public class SingleObjectStringPropertyModifierRule implements ModifierRule { + + private Resource relation; + private Resource propertyRelation; + + public SingleObjectStringPropertyModifierRule(ReadGraph graph, String relationURI, String propertyRelationURI) throws DatabaseException { + this.relation = graph.getResource(relationURI); + this.propertyRelation = graph.getResource(propertyRelationURI); + } + + @Override + public boolean isCompatible(Class contentType) { + return contentType.equals(Resource.class); + } + + @Override + public Modifier getModifier(ReadGraph graph, Object content, + String columnKey) throws DatabaseException { + if(!ColumnKeys.SINGLE.equals(columnKey)) + return null; + if(!(content instanceof Resource)) + return null; + + Resource resource_ = (Resource)content; + + Resource resource = graph.getSingleObject(resource_, relation); + + final Statement nameStm = graph.getPossibleStatement(resource, propertyRelation); + if (nameStm == null) + return null; + + StringModifierFactory smf = graph.getPossibleAdapter(resource, StringModifierFactory.class); + if (smf != null) { + final StringModifier sm = smf.createModifier(graph, propertyRelation, nameStm.getObject()); + if (sm != null) + return modifierFor(graph.getSession(), sm, nameStm.getObject()); + } + + return new L0StringModifier(graph.getSession(), resource, propertyRelation, nameStm.getObject()); + } + + private Modifier modifierFor(final Session session, final StringModifier sm, final Resource valueResource) { + return new Modifier() { + @Override + public String getValue() { + try { + return session.syncRequest(new PossibleAdapter(valueResource, String.class)); + } catch (DatabaseException e) { + ErrorLogger.defaultLogError(e); + return null; + } + } + @Override + public String isValid(String label) { + return sm.isValid(label); + } + @Override + public void modify(final String label) { + try { + session.syncRequest(new WriteRequest() { + @Override + public void perform(WriteGraph graph) throws DatabaseException { + sm.modify(graph, label); + } + }); + } catch (DatabaseException e) { + ErrorLogger.defaultLogError(e); + } + } + }; + } + +}