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.geom.AffineTransform;
15 import java.awt.geom.Rectangle2D;
17 import org.simantics.db.ReadGraph;
18 import org.simantics.db.Resource;
19 import org.simantics.db.common.utils.NameUtils;
20 import org.simantics.db.exception.DatabaseException;
21 import org.simantics.diagram.G2DUtils;
22 import org.simantics.diagram.elements.ElementPropertySetter;
23 import org.simantics.diagram.elements.MonitorClass;
24 import org.simantics.diagram.elements.ResizeRectangularSceneGraph;
25 import org.simantics.diagram.elements.TextElementHandler;
26 import org.simantics.diagram.stubs.DiagramResource;
27 import org.simantics.diagram.stubs.G2DResource;
28 import org.simantics.diagram.synchronization.CompositeHintSynchronizer;
29 import org.simantics.diagram.synchronization.IHintSynchronizer;
30 import org.simantics.diagram.synchronization.SynchronizationHints;
31 import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;
32 import org.simantics.diagram.synchronization.graph.TextSynchronizer;
33 import org.simantics.diagram.synchronization.graph.TransformSynchronizer;
34 import org.simantics.g2d.canvas.ICanvasContext;
35 import org.simantics.g2d.diagram.IDiagram;
36 import org.simantics.g2d.element.ElementClass;
37 import org.simantics.g2d.element.ElementHints;
38 import org.simantics.g2d.element.ElementUtils;
39 import org.simantics.g2d.element.IElement;
40 import org.simantics.g2d.element.handler.Text;
41 import org.simantics.g2d.element.handler.impl.DefaultTransform;
42 import org.simantics.g2d.element.handler.impl.SimpleElementLayers;
43 import org.simantics.g2d.element.handler.impl.StaticObjectAdapter;
44 import org.simantics.g2d.element.handler.impl.StaticSymbolImpl;
45 import org.simantics.g2d.element.handler.impl.TextColorImpl;
46 import org.simantics.g2d.element.handler.impl.TextFontImpl;
47 import org.simantics.g2d.image.DefaultImages;
48 import org.simantics.g2d.image.Image;
49 import org.simantics.g2d.svg.SVGImage;
50 import org.simantics.g2d.utils.Alignment;
54 * Element(Class)Factory for TextElements
56 * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
59 public class TextElementClassFactory extends SyncElementFactory {
61 public static final ElementFactory INSTANCE = new TextElementClassFactory();
63 public static final IHintSynchronizer TEXT_SYNCHRONIZER = new CompositeHintSynchronizer(TextSynchronizer.INSTANCE, TransformSynchronizer.INSTANCE);
65 public static final ElementPropertySetter RESIZE_PROPERTY_SETTER =
66 new ElementPropertySetter(ResizeRectangularSceneGraph.KEY_SG_NODE);
69 public ElementClass create(ReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementType) throws DatabaseException {
70 String id = "TextElement: " + NameUtils.getSafeName(graph, elementType);
71 G2DResource g2d = G2DResource.getInstance(graph);
72 String svgDoc = graph.getPossibleRelatedValue(elementType, g2d.HasSVGDocument);
75 image = new SVGImage(id+".svg", svgDoc);
77 image = DefaultImages.ERROR_DECORATOR.get();
78 return ElementClass.compile(
82 new StaticObjectAdapter(elementType),
83 DefaultTransform.INSTANCE,
84 SimpleElementLayers.INSTANCE,
85 TextElementHandler.INSTANCE,
86 ResizeRectangularSceneGraph.INSTANCE,
87 RESIZE_PROPERTY_SETTER,
88 new StaticSymbolImpl(image)
95 public void load(ReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource element, IElement e) throws DatabaseException {
96 G2DResource G2D = G2DResource.getInstance(graph);
97 DiagramResource DIA = DiagramResource.getInstance(graph);
99 String text = (String) graph.getPossibleRelatedValue(element, DIA.HasText);
101 text = ElementUtils.getText(e);
104 ElementUtils.setText(e, text);
106 if (graph.isInstanceOf(element, DIA.FontProvider)) {
107 Resource fontResource = graph.getPossibleObject(element, G2D.HasFont);
108 if (fontResource != null)
109 ElementUtils.setTextFont(e, G2DUtils.getFont(graph, fontResource));
111 if (graph.isInstanceOf(element, DIA.ColorProvider)) {
112 Resource colorResource = graph.getPossibleObject(element, G2D.HasColor);
113 if (colorResource != null)
114 ElementUtils.setTextColor(e, G2DUtils.getColor(graph, colorResource));
118 Resource hAlign = graph.getPossibleObject(element, G2D.HasHorizontalAlignment);
119 Resource vAlign = graph.getPossibleObject(element, G2D.HasVerticalAlignment);
121 e.setHint(ElementHints.KEY_HORIZONTAL_ALIGN, DiagramGraphUtil.toAlignment(hAlign, G2D, Alignment.LEADING));
123 e.setHint(ElementHints.KEY_VERTICAL_ALIGN, DiagramGraphUtil.toVerticalAlignment(vAlign, G2D, Alignment.BASELINE));
126 final Float borderWidth = graph.getPossibleRelatedValue(element, G2D.HasStrokeWidth);
127 if (borderWidth != null)
128 e.setHint(MonitorClass.KEY_BORDER_WIDTH, borderWidth.doubleValue());
131 AffineTransform at = DiagramGraphUtil.getAffineTransform(graph, element);
132 ElementUtils.setTransform(e, at);
134 // This synchronizes only text and transformation (not font and color)
135 e.setHint(SynchronizationHints.HINT_SYNCHRONIZER, TEXT_SYNCHRONIZER);
137 double bounds[] = DiagramGraphUtil.getPossibleRelatedDoubleArray(graph, element, G2D.HasBounds);
138 if (bounds != null) {
139 e.setHint(ElementHints.KEY_BOUNDS, new Rectangle2D.Double(bounds[0], bounds[1], bounds[2], bounds[3]));