1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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.diagram.adapter;
14 import java.awt.AlphaComposite;
15 import java.awt.Color;
16 import java.util.HashMap;
19 import org.simantics.databoard.Bindings;
20 import org.simantics.db.ReadGraph;
21 import org.simantics.db.RequestProcessor;
22 import org.simantics.db.Resource;
23 import org.simantics.db.exception.DatabaseException;
24 import org.simantics.diagram.profile.ProfileKeys;
25 import org.simantics.diagram.stubs.DiagramResource;
26 import org.simantics.g2d.canvas.ICanvasContext;
27 import org.simantics.layer0.Layer0;
28 import org.simantics.scenegraph.INode;
29 import org.simantics.scenegraph.profile.DataNodeMap;
30 import org.simantics.scenegraph.profile.EvaluationContext;
31 import org.simantics.scenegraph.profile.Group;
32 import org.simantics.scenegraph.profile.Style;
33 import org.simantics.scenegraph.profile.common.ObserverGroupListener;
34 import org.simantics.scenegraph.profile.common.ProfileVariables;
36 public class ConstantStyle implements Style {
39 final Map<String, Object> values = new HashMap<String, Object>();
40 ObserverGroupListener listener = null;
43 public ConstantStyle(ReadGraph graph, Resource style) throws DatabaseException {
44 Layer0 L0 = Layer0.getInstance(graph);
45 DiagramResource DIA = DiagramResource.getInstance(graph);
46 this.name = graph.getPossibleRelatedValue(style, L0.HasName, Bindings.STRING);
47 String[] values = graph.getPossibleRelatedValue(style, DIA.HasValues, Bindings.getBindingUnchecked(String[].class));
48 for(int i=0;i<values.length;i+=2) {
49 String key = values[i];
50 Object value = haxx(key, values[i+1]);
51 this.values.put(key, value);
55 public void setPriority(double priority) {
56 this.priority = priority;
59 public double getPriority() {
63 private Object haxx(String key, Object value) {
64 if("alpha".equals(key)) {
65 return AlphaComposite.getInstance(AlphaComposite. SRC_OVER, Float.parseFloat((String)value));
66 } else if("color".equals(key)) {
67 return new Color(Integer.parseInt(value.toString(), 16));
74 public void deactivate(Resource diagram, Resource entry, Group group,
75 EvaluationContext observer) {
76 if (listener != null && !listener.isDisposed()) {
84 public void activate(RequestProcessor backend, Resource diagram, Resource entry, Group group, final EvaluationContext observer) throws DatabaseException {
86 if (listener != null && !listener.isDisposed())
89 listener = new ObserverGroupListener(this, group, observer);
91 group.trackItems(backend, diagram, listener);
96 public void apply(Resource entry, Group group, final EvaluationContext evaluationContext) {
98 // throw new UnsupportedOperationException();
100 // IDiagram diagram = evaluationContext.getConstant(ProfileKeys.DIAGRAM);
101 ICanvasContext context = evaluationContext.getConstant(ProfileKeys.CANVAS);
103 assert context.getThreadAccess().currentThreadAccess();
105 if(listener == null) {
106 System.out.println("ConstantStyle " + this + " was not active in apply!");
110 final DataNodeMap map = evaluationContext.getConstant(ProfileKeys.NODE_MAP);
112 // DataElementMap map = diagram.getDiagramClass().getSingleItem(DataElementMap.class);
114 for(Map.Entry<String, Object> value : values.entrySet()) {
116 for(Object item : listener.getItems()) {
118 final INode node = map.getNode(item);
120 // final IElement element = map.getElement(diagram, item);
122 //observer.exception(new NullPointerException("ConstantStyle.apply: no element for " + item));
123 evaluationContext.update();
127 ProfileVariables.claimNodeProperty(node, value.getKey(), value.getValue(), evaluationContext);
129 //// System.out.println("apply[" + element + "]: " + value.getKey() + " => " + value.getValue());
130 // Variables.set(node, value.getKey(), value.getValue(), evaluationContext);
132 // PropertySetter setter = element.getElementClass().getAtMostOneItemOfClass(PropertySetter.class);
133 // if(setter != null)
134 // setter.syncPropertiesToNode(element);
142 public final void apply2(Object item, final EvaluationContext evaluationContext) {
143 final DataNodeMap map = evaluationContext.getConstant(ProfileKeys.NODE_MAP);
144 final INode node = map.getNode(item);
146 for(Map.Entry<String, Object> value : values.entrySet()) {
147 ProfileVariables.claimNodeProperty(node, value.getKey(), value.getValue(), evaluationContext);
152 public String toString() {