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

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