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.dnd;
14 import org.simantics.browsing.ui.BuiltinKeys;
15 import org.simantics.browsing.ui.NodeContext;
16 import org.simantics.browsing.ui.model.nodetypes.NodeType;
17 import org.simantics.browsing.ui.model.nodetypes.NodeTypeMultiMap;
18 import org.simantics.browsing.ui.model.tests.Test;
19 import org.simantics.db.ReadGraph;
20 import org.simantics.db.Resource;
21 import org.simantics.db.common.utils.Logger;
22 import org.simantics.db.exception.DatabaseException;
23 import org.simantics.db.layer0.adapter.DropActionFactory;
24 import org.simantics.viewpoint.ontology.ViewpointResource;
26 public class DropActionContribution implements Comparable<DropActionContribution> {
28 DropActionFactory actionFactory;
32 public DropActionContribution(NodeType nodeType,
33 DropActionFactory actionFactory, Test test, double priority) {
35 this.nodeType = nodeType;
36 this.actionFactory = actionFactory;
38 this.priority = priority;
41 public static void load(ReadGraph g, Resource r, NodeTypeMultiMap<DropActionContribution> contributions) throws DatabaseException {
42 ViewpointResource VR = ViewpointResource.getInstance(g);
44 NodeType nodeType = g.adapt(g.getSingleObject(r, VR.DropActionContribution_HasNodeType), NodeType.class);
46 DropActionFactory actionFactory = g.adapt(g.getSingleObject(r, VR.DropActionContribution_HasAction), DropActionFactory.class);
48 Resource testResource = g.getPossibleObject(r, VR.DropActionContribution_HasCondition);
49 Test test = testResource == null ? null : g.adapt(testResource, Test.class);
51 Double mpriority = g.getPossibleRelatedValue(r, VR.DropActionContribution_HasPriority);
52 double priority = mpriority == null ? 0.0 : mpriority.doubleValue();
54 DropActionContribution contribution =
55 new DropActionContribution(nodeType, actionFactory, test, priority);
56 contributions.put(nodeType, contribution);
59 public Runnable getAction(ReadGraph graph, NodeContext context, Object source, int operation) {
60 Object content = context.getConstant(BuiltinKeys.INPUT);
62 if (test == null || test.test(graph, content)) {
63 return actionFactory.create(graph, content, source, operation);
65 } catch(DatabaseException e) {
66 Logger.defaultLogError(e);
72 public int compareTo(DropActionContribution o) {
73 return Double.compare(o.priority, priority);