]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/ArrayPropertyViewpoint.java
Fixed all line endings of the repository
[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph.impl / src / org / simantics / browsing / ui / graph / impl / ArrayPropertyViewpoint.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
3  * in Industry THTH ry.
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
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.browsing.ui.graph.impl;
13
14 import org.simantics.browsing.ui.NodeContext;
15 import org.simantics.browsing.ui.PrimitiveQueryUpdater;
16 import org.simantics.browsing.ui.BuiltinKeys.ViewpointKey;
17 import org.simantics.browsing.ui.common.property.IProperty;
18 import org.simantics.browsing.ui.common.property.PropertyUtil;
19 import org.simantics.db.ReadGraph;
20
21 /**
22  * @author Tuukka Lehtonen
23  */
24 public class ArrayPropertyViewpoint extends LazyParametrizedViewpoint {
25
26     public ArrayPropertyViewpoint(PrimitiveQueryUpdater updater, NodeContext context, ViewpointKey key, Object... parameters) {
27         super(updater, context, key, parameters);
28     }
29
30     @Override
31     public NodeContext[] children(ReadGraph graph) {
32         IProperty input = getInput(IProperty.class);
33         NodeContext[] children = PropertyUtil.getChildren(input);
34         return children;
35     }
36
37     @Override
38     public Boolean hasChildren(ReadGraph graph) {
39         return Boolean.valueOf(children(graph).length > 0);
40     }
41
42 }