1 /*******************************************************************************
2 * Copyright (c) 2010, 2011 Association for Decentralized Information Management in
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.browsing.ui.model.modifiers;
14 import org.simantics.browsing.ui.BuiltinKeys;
15 import org.simantics.browsing.ui.NodeContext;
16 import org.simantics.browsing.ui.content.Labeler.Modifier;
17 import org.simantics.browsing.ui.content.Labeler.DeniedModifier;
18 import org.simantics.browsing.ui.model.InvalidContribution;
19 import org.simantics.browsing.ui.model.nodetypes.NodeType;
20 import org.simantics.browsing.ui.model.tests.Test;
21 import org.simantics.browsing.ui.model.visuals.VisualsContribution;
22 import org.simantics.db.ReadGraph;
23 import org.simantics.db.exception.DatabaseException;
25 public class ModifierContribution extends VisualsContribution {
26 ModifierRule modifierRule;
28 public ModifierContribution(NodeType nodeType, Test test, ModifierRule modifierRule, double priority) throws InvalidContribution {
29 super(nodeType, test, priority);
30 if(!modifierRule.isCompatible(
31 nodeType.getContentType()
33 throw new InvalidContribution("Label rule is not compatible with the content type.");
34 this.modifierRule = modifierRule;
37 public Modifier getModifier(ReadGraph graph, NodeContext context, String columnKey) {
38 Object content = context.getConstant(BuiltinKeys.INPUT);
40 if(test == null || test.test(graph, content))
41 return modifierRule.getModifier(graph, content, columnKey);
44 } catch(DatabaseException e) {
45 return new DeniedModifier(e.getMessage());