bundles/org.simantics.spreadsheet.ui/src/org/simantics/spreadsheet/ui/SheetClass.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007- VTT Technical Research Centre of Finland.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     VTT Technical Research Centre of Finland - initial API and implementation
  10  *******************************************************************************/
  11 package org.simantics.spreadsheet.ui;
  12
  13 import java.awt.Shape;
  14 import java.awt.geom.Rectangle2D;
  15
  16 import org.simantics.db.Resource;
  17 import org.simantics.g2d.element.ElementClass;
  18 import org.simantics.g2d.element.ElementHints;
  19 import org.simantics.g2d.element.ElementUtils;
  20 import org.simantics.g2d.element.IElement;
  21 import org.simantics.g2d.element.SceneGraphNodeKey;
  22 import org.simantics.g2d.element.handler.InternalSize;
  23 import org.simantics.g2d.element.handler.Outline;
  24 import org.simantics.g2d.element.handler.SceneGraph;
  25 import org.simantics.g2d.element.handler.impl.BorderColorImpl;
  26 import org.simantics.g2d.element.handler.impl.DefaultTransform;
  27 import org.simantics.g2d.element.handler.impl.SimpleElementLayers;
  28 import org.simantics.scenegraph.Node;
  29 import org.simantics.scenegraph.g2d.G2DParentNode;
  30 import org.simantics.spreadsheet.Adaptable;
  31 import org.simantics.utils.datastructures.Callback;
  32 import org.simantics.utils.datastructures.hints.IHintContext.Key;
  33 import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
  34
  35 /**
  36  * @author Antti Villberg
  37  */
  38 public class SheetClass {
  39
  40         public static final Key  KEY_SERVER_INTERFACE = new KeyOf(Adaptable.class, "SERVER_INTERFACE");
  41
  42         public static final Key  KEY_SHEET = new KeyOf(Resource.class, "SHEET");
  43         public static final Key  KEY_RVI = new KeyOf(String.class, "RVI");
  44         public static final Key  KEY_SG_NODE             = new SceneGraphNodeKey(Node.class, "SG_NODE");
  45
  46         public static class SheetSGNode implements SceneGraph, InternalSize, Outline {
  47
  48                 private static final long serialVersionUID = -5823585015844593347L;
  49
  50                 static final SheetSGNode INSTANCE = new SheetSGNode();
  51
  52                 @Override
  53                 public void init(final IElement e, final G2DParentNode parent) {
  54
  55                         // Create node if it doesn't exist yet
  56                         SheetNode node = (SheetNode)e.getHint(KEY_SG_NODE);
  57                         if(node == null || node.getBounds() == null || node.getParent() != parent) {
  58
  59                                 node = parent.addNode(ElementUtils.generateNodeId(e), SheetNode.class);
  60
  61                                 e.setHint(KEY_SG_NODE, node);
  62
  63                                 Adaptable serverInterface = e.getHint(KEY_SERVER_INTERFACE);
  64                                 node.init(serverInterface);
  65
  66                                 Callback<Node> callback = e.getHint(ElementHints.KEY_SG_CALLBACK);
  67                                 if(callback != null)
  68                                         callback.run(node);
  69
  70                                 System.out.println("SHEET PARENT NODE: " + parent);
  71                                 node.setBounds(new Rectangle2D.Double(0, 0, 400, 200));
  72
  73                         }
  74
  75                         update(e);
  76
  77                 }
  78
  79                 public void update(IElement e) {
  80                 }
  81
  82                 @Override
  83                 public void cleanup(IElement e) {
  84                         SheetNode node = (SheetNode)e.removeHint(KEY_SG_NODE);
  85                         if (node != null)
  86                                 node.remove();
  87                 }
  88
  89                 @Override
  90                 public Rectangle2D getBounds(IElement e, Rectangle2D size) {
  91                         Rectangle2D shape = new Rectangle2D.Double(0, 0, 0, 0);
  92
  93                         SheetNode node = (SheetNode)e.getHint(KEY_SG_NODE);
  94                         if(node != null && node.getBounds() != null) {
  95                                 shape = node.getBounds().getBounds2D();
  96                         }
  97
  98                         if(size != null) size.setRect(shape);
  99                         return shape;
 100                 }
 101
 102                 @Override
 103                 public Shape getElementShape(IElement e) {
 104                         Shape shape = new Rectangle2D.Double(0, 0, 0, 0);
 105
 106                         SheetNode node = (SheetNode)e.getHint(KEY_SG_NODE);
 107                         if(node != null && node.getBounds() != null) {
 108                                 shape = node.getBounds();
 109                         }
 110
 111                         return shape;
 112                 }
 113
 114         }
 115
 116
 117         public static final ElementClass INSTANCE =
 118                         ElementClass.compile(
 119                                         DefaultTransform.INSTANCE,
 120                                         BorderColorImpl.BLACK,
 121                                         SheetSGNode.INSTANCE,
 122                                         SimpleElementLayers.INSTANCE
 123                                         );
 124
 125 }