bundles/org.simantics.g2d/src/org/simantics/g2d/elementclass/slider/SliderClass.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.g2d.elementclass.slider;\r
  13 \r
  14 import java.awt.geom.Line2D;\r
  15 import java.awt.geom.Rectangle2D;\r
  16 \r
  17 import org.simantics.g2d.diagram.IDiagram;\r
  18 import org.simantics.g2d.element.ElementClass;\r
  19 import org.simantics.g2d.element.ElementUtils;\r
  20 import org.simantics.g2d.element.IElement;\r
  21 import org.simantics.g2d.element.SceneGraphNodeKey;\r
  22 import org.simantics.g2d.element.handler.LifeCycle;\r
  23 import org.simantics.g2d.element.handler.SceneGraph;\r
  24 import org.simantics.g2d.element.handler.Stateful;\r
  25 import org.simantics.g2d.element.handler.impl.DefaultTransform;\r
  26 import org.simantics.g2d.element.handler.impl.Resizeable;\r
  27 import org.simantics.scenegraph.Node;\r
  28 import org.simantics.scenegraph.g2d.G2DParentNode;\r
  29 import org.simantics.scenegraph.g2d.nodes.ShapeNode;\r
  30 import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
  31 \r
  32 /**\r
  33  * @author Toni Kalajainen\r
  34  */\r
  35 public class SliderClass {\r
  36 \r
  37         static final SliderInit INITIAL_VALUES = new SliderInit();\r
  38 \r
  39         public static final NarrowTrackPaint NARROW_TRACK = new NarrowTrackPaint(); \r
  40         public static final WideTrackPaint WIDE_TRACK = new WideTrackPaint(); \r
  41                 \r
  42         public static final ElementClass SLIDER = \r
  43                 ElementClass.compile(\r
  44                                 DefaultTransform.INSTANCE,\r
  45                         new Resizeable(new Rectangle2D.Double(0,0,100, 15), new Rectangle2D.Double(0,0,20, 8), null, null),\r
  46                                 NARROW_TRACK,\r
  47                                 SliderHandle.INSTANCE,\r
  48                                 INITIAL_VALUES,\r
  49                                 Stateful.ENABLED_BY_DEFAULT\r
  50                 );      \r
  51         public static final ElementClass SLIDER2 = \r
  52                 ElementClass.compile(\r
  53                                 DefaultTransform.INSTANCE,\r
  54                         new Resizeable(new Rectangle2D.Double(0,0,100, 15), new Rectangle2D.Double(0,0,20, 8), null, null),\r
  55                                 WIDE_TRACK,\r
  56                                 SliderHandle.INSTANCE,\r
  57                                 INITIAL_VALUES,\r
  58                                 Stateful.ENABLED_BY_DEFAULT                             \r
  59                 );      \r
  60 \r
  61         static class SliderInit implements LifeCycle {\r
  62         private static final long serialVersionUID = -5228742711389712263L;\r
  63         @Override\r
  64                 public void onElementCreated(IElement e) {\r
  65                         e.setHint(SliderHandle.KEY_SLIDER_COLOR_PROFILE, SliderColorProfile.DEFAULT);\r
  66                         e.setHint(SliderHandle.KEY_SLIDER_POSITION, 1.0);\r
  67                         e.setHint(SliderHandle.KEY_SLIDER_MIN_VALUE, 0.0);\r
  68                         e.setHint(SliderHandle.KEY_SLIDER_MAX_VALUE, 3.0);                      \r
  69                 }\r
  70                 @Override\r
  71                 public void onElementActivated(IDiagram d, IElement e) {}\r
  72                 @Override\r
  73                 public void onElementDestroyed(IElement e) {}\r
  74                 @Override\r
  75                 public void onElementDeactivated(IDiagram d, IElement e) {}             \r
  76         }\r
  77         \r
  78         static class NarrowTrackPaint implements SceneGraph {\r
  79         private static final long serialVersionUID = -598729166071503815L;\r
  80         public static final Key SG_NODE = new SceneGraphNodeKey(Node.class, "SUB_SG_NODE");\r
  81             \r
  82                 @Override\r
  83                 public void cleanup(IElement e) {\r
  84                Node node = e.removeHint(SG_NODE);\r
  85                if (node != null)\r
  86                    node.remove();\r
  87                 }\r
  88 \r
  89                 @Override\r
  90                 public void init(IElement e, G2DParentNode parent) {\r
  91                         G2DParentNode node = (G2DParentNode) e.getHint(SG_NODE);\r
  92                         if (node == null) {\r
  93                                 node = parent.addNode(G2DParentNode.class);\r
  94                         e.setHint(SG_NODE, node);\r
  95                         }\r
  96                         \r
  97                         SliderColorProfile colors = e.getHint(SliderHandle.KEY_SLIDER_COLOR_PROFILE);\r
  98                         \r
  99                         Rectangle2D rect = ElementUtils.getElementBounds(e);\r
 100                         double height = rect.getHeight() / 4;\r
 101                         double width = rect.getWidth();\r
 102                         Rectangle2D r = new Rectangle2D.Double(0, height, width, height*2);\r
 103                         \r
 104                         ShapeNode track1 = node.getOrCreateNode("track1", ShapeNode.class);\r
 105                         ShapeNode track2 = node.getOrCreateNode("track2", ShapeNode.class);\r
 106                         ShapeNode track2b = node.getOrCreateNode("track2b", ShapeNode.class);\r
 107                         ShapeNode track3 = node.getOrCreateNode("track3", ShapeNode.class);\r
 108 \r
 109                         track3.setColor(colors.TRACK3);\r
 110                         track3.setFill(true);\r
 111                         track3.setShape(r);\r
 112                         track3.setZIndex(1);\r
 113                         \r
 114                         track1.setColor(colors.TRACK1);\r
 115                         track1.setShape(r);\r
 116                         track1.setZIndex(2);\r
 117                         \r
 118                         track2.setColor(colors.TRACK2);\r
 119                         track2.setShape(new Line2D.Double(1, height+1, 1, height*3-1));\r
 120                         track2.setZIndex(3);\r
 121                         \r
 122                         track2b.setColor(colors.TRACK2);\r
 123                         track2b.setShape(new Line2D.Double(1, height+1, width-1, height+1));\r
 124                         track2b.setZIndex(4);\r
 125                 }\r
 126         }\r
 127         \r
 128         static class WideTrackPaint implements SceneGraph {\r
 129         private static final long serialVersionUID = -6644140765437819526L;\r
 130         public static final Key SG_NODE = new SceneGraphNodeKey(Node.class, "SUB_SG_NODE");\r
 131 \r
 132                 @Override\r
 133                 public void cleanup(IElement e) {\r
 134                Node node = e.removeHint(SG_NODE);\r
 135                if (node != null)\r
 136                    node.remove();\r
 137                 }\r
 138 \r
 139                 @Override\r
 140                 public void init(IElement e, G2DParentNode parent) {\r
 141                         G2DParentNode node = (G2DParentNode) e.getHint(SG_NODE);\r
 142                         if (node == null) {\r
 143                                 node = parent.addNode(G2DParentNode.class);\r
 144                         e.setHint(SG_NODE, node);\r
 145                         }\r
 146                         \r
 147                         SliderColorProfile colors = e.getHint(SliderHandle.KEY_SLIDER_COLOR_PROFILE);\r
 148                         Rectangle2D rect = ElementUtils.getElementBounds(e);\r
 149                         \r
 150                         double height = rect.getHeight();\r
 151                         double width = rect.getWidth();\r
 152                         Rectangle2D r = new Rectangle2D.Double(0, 0, width, height);\r
 153                         \r
 154                         ShapeNode track1 = node.getOrCreateNode("track1", ShapeNode.class);\r
 155                         ShapeNode track2 = node.getOrCreateNode("track2", ShapeNode.class);\r
 156                         ShapeNode track2b = node.getOrCreateNode("track2b", ShapeNode.class);\r
 157                         ShapeNode track3 = node.getOrCreateNode("track3", ShapeNode.class);\r
 158 \r
 159                         track3.setColor(colors.TRACK3);\r
 160                         track3.setFill(true);\r
 161                         track3.setShape(r);\r
 162                         track3.setZIndex(1);\r
 163                         \r
 164                         track1.setColor(colors.TRACK1);\r
 165                         track1.setShape(r);\r
 166                         track1.setZIndex(2);\r
 167                         \r
 168                         track2.setColor(colors.TRACK2);\r
 169                         track2.setShape(new Line2D.Double(1, 1, 1, height-1));\r
 170                         track2.setZIndex(3);\r
 171                         \r
 172                         track2b.setColor(colors.TRACK2);\r
 173                         track2b.setShape(new Line2D.Double(1, height-1, width-1, height-1));\r
 174                         track2b.setZIndex(4);\r
 175                 }\r
 176         }       \r
 177         \r
 178 }\r