1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.diagram.adapter;
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14 import java.awt.geom.AffineTransform;
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15 import java.awt.geom.Rectangle2D;
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17 import org.simantics.db.ReadGraph;
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18 import org.simantics.db.Resource;
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19 import org.simantics.db.common.utils.NameUtils;
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20 import org.simantics.db.exception.DatabaseException;
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21 import org.simantics.diagram.G2DUtils;
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22 import org.simantics.diagram.elements.ElementPropertySetter;
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23 import org.simantics.diagram.elements.MonitorClass;
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24 import org.simantics.diagram.elements.ResizeRectangularSceneGraph;
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25 import org.simantics.diagram.elements.TextElementHandler;
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26 import org.simantics.diagram.stubs.DiagramResource;
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27 import org.simantics.diagram.stubs.G2DResource;
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28 import org.simantics.diagram.synchronization.CompositeHintSynchronizer;
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29 import org.simantics.diagram.synchronization.IHintSynchronizer;
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30 import org.simantics.diagram.synchronization.SynchronizationHints;
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31 import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;
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32 import org.simantics.diagram.synchronization.graph.TextSynchronizer;
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33 import org.simantics.diagram.synchronization.graph.TransformSynchronizer;
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34 import org.simantics.g2d.canvas.ICanvasContext;
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35 import org.simantics.g2d.diagram.IDiagram;
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36 import org.simantics.g2d.element.ElementClass;
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37 import org.simantics.g2d.element.ElementHints;
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38 import org.simantics.g2d.element.ElementUtils;
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39 import org.simantics.g2d.element.IElement;
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40 import org.simantics.g2d.element.handler.Text;
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41 import org.simantics.g2d.element.handler.impl.DefaultTransform;
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42 import org.simantics.g2d.element.handler.impl.SimpleElementLayers;
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43 import org.simantics.g2d.element.handler.impl.StaticObjectAdapter;
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44 import org.simantics.g2d.element.handler.impl.StaticSymbolImpl;
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45 import org.simantics.g2d.element.handler.impl.TextColorImpl;
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46 import org.simantics.g2d.element.handler.impl.TextFontImpl;
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47 import org.simantics.g2d.image.DefaultImages;
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48 import org.simantics.g2d.image.Image;
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49 import org.simantics.g2d.svg.SVGImage;
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50 import org.simantics.g2d.utils.Alignment;
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54 * Element(Class)Factory for TextElements
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56 * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
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59 public class TextElementClassFactory extends SyncElementFactory {
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61 public static final ElementFactory INSTANCE = new TextElementClassFactory();
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63 public static final IHintSynchronizer TEXT_SYNCHRONIZER = new CompositeHintSynchronizer(TextSynchronizer.INSTANCE, TransformSynchronizer.INSTANCE);
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65 public static final ElementPropertySetter RESIZE_PROPERTY_SETTER =
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66 new ElementPropertySetter(ResizeRectangularSceneGraph.KEY_SG_NODE);
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69 public ElementClass create(ReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementType) throws DatabaseException {
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70 String id = "TextElement: " + NameUtils.getSafeName(graph, elementType);
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71 G2DResource g2d = G2DResource.getInstance(graph);
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72 String svgDoc = graph.getPossibleRelatedValue(elementType, g2d.HasSVGDocument);
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75 image = new SVGImage(id+".svg", svgDoc);
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77 image = DefaultImages.ERROR_DECORATOR.get();
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78 return ElementClass.compile(
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80 TextColorImpl.BLACK,
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81 TextFontImpl.DEFAULT,
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82 new StaticObjectAdapter(elementType),
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83 DefaultTransform.INSTANCE,
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84 SimpleElementLayers.INSTANCE,
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85 TextElementHandler.INSTANCE,
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86 ResizeRectangularSceneGraph.INSTANCE,
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87 RESIZE_PROPERTY_SETTER,
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88 new StaticSymbolImpl(image)
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95 public void load(ReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource element, IElement e) throws DatabaseException {
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96 G2DResource G2D = G2DResource.getInstance(graph);
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97 DiagramResource DIA = DiagramResource.getInstance(graph);
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99 String text = (String) graph.getPossibleRelatedValue(element, DIA.HasText);
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101 text = ElementUtils.getText(e);
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104 ElementUtils.setText(e, text);
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106 if (graph.isInstanceOf(element, DIA.FontProvider)) {
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107 Resource fontResource = graph.getPossibleObject(element, G2D.HasFont);
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108 if (fontResource != null)
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109 ElementUtils.setTextFont(e, G2DUtils.getFont(graph, fontResource));
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111 if (graph.isInstanceOf(element, DIA.ColorProvider)) {
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112 Resource colorResource = graph.getPossibleObject(element, G2D.HasColor);
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113 if (colorResource != null)
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114 ElementUtils.setTextColor(e, G2DUtils.getColor(graph, colorResource));
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118 Resource hAlign = graph.getPossibleObject(element, G2D.HasHorizontalAlignment);
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119 Resource vAlign = graph.getPossibleObject(element, G2D.HasVerticalAlignment);
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120 if (hAlign != null)
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121 e.setHint(ElementHints.KEY_HORIZONTAL_ALIGN, DiagramGraphUtil.toAlignment(hAlign, G2D, Alignment.LEADING));
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122 if (vAlign != null)
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123 e.setHint(ElementHints.KEY_VERTICAL_ALIGN, DiagramGraphUtil.toVerticalAlignment(vAlign, G2D, Alignment.BASELINE));
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126 final Float borderWidth = graph.getPossibleRelatedValue(element, G2D.HasStrokeWidth);
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127 if (borderWidth != null)
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128 e.setHint(MonitorClass.KEY_BORDER_WIDTH, borderWidth.doubleValue());
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131 AffineTransform at = DiagramGraphUtil.getAffineTransform(graph, element);
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132 ElementUtils.setTransform(e, at);
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134 // This synchronizes only text and transformation (not font and color)
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135 e.setHint(SynchronizationHints.HINT_SYNCHRONIZER, TEXT_SYNCHRONIZER);
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137 double bounds[] = DiagramGraphUtil.getPossibleRelatedDoubleArray(graph, element, G2D.HasBounds);
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138 if (bounds != null) {
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139 e.setHint(ElementHints.KEY_BOUNDS, new Rectangle2D.Double(bounds[0], bounds[1], bounds[2], bounds[3]));
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