bundles/org.simantics.g2d/src/org/simantics/g2d/elementclass/valve/ValveClass.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 /*******************************************************************************
  13  * All rights reserved. This program and the accompanying materials
  14  * are made available under the terms of the Eclipse Public License v1.0
  15  * which accompanies this distribution, and is available at
  16  * http://www.eclipse.org/legal/epl-v10.html
  17  *
  18  * Contributors:
  19  *     VTT Technical Research Centre of Finland - initial API and implementation
  20  *******************************************************************************/
  21 package org.simantics.g2d.elementclass.valve;
  22
  23 import java.awt.BasicStroke;
  24 import java.awt.Color;
  25 import java.awt.Stroke;
  26 import java.awt.geom.AffineTransform;
  27 import java.awt.geom.Path2D;
  28 import java.awt.geom.Rectangle2D;
  29
  30 import org.simantics.g2d.diagram.IDiagram;
  31 import org.simantics.g2d.element.ElementClass;
  32 import org.simantics.g2d.element.ElementUtils;
  33 import org.simantics.g2d.element.IElement;
  34 import org.simantics.g2d.element.SceneGraphNodeKey;
  35 import org.simantics.g2d.element.handler.LifeCycle;
  36 import org.simantics.g2d.element.handler.SceneGraph;
  37 import org.simantics.g2d.element.handler.Stateful;
  38 import org.simantics.g2d.element.handler.Clickable.PressStatus;
  39 import org.simantics.g2d.element.handler.impl.DefaultTransform;
  40 import org.simantics.g2d.element.handler.impl.ElementShapeImpl;
  41 import org.simantics.g2d.element.handler.impl.FillColorImpl;
  42 import org.simantics.g2d.element.handler.impl.FixedSize;
  43 import org.simantics.g2d.elementclass.slider.SliderColorProfile;
  44 import org.simantics.g2d.elementclass.slider.SliderHandle;
  45 import org.simantics.g2d.utils.PathUtils;
  46 import org.simantics.scenegraph.Node;
  47 import org.simantics.scenegraph.g2d.G2DParentNode;
  48 import org.simantics.scenegraph.g2d.nodes.ShapeNode;
  49 import org.simantics.utils.datastructures.hints.IHintContext.Key;
  50
  51 /**
  52  * @author Toni Kalajainen
  53  */
  54 public class ValveClass {
  55
  56     static final double M = 3;
  57     public static final Stroke STROKE = new BasicStroke(1.5f);
  58     public static final Stroke STROKE2 = new BasicStroke(1.f);
  59     public static final Path2D SHAPE = PathUtils.closedPath(-30*M,20*M, -30*M,-20*M, 0,-7*M, 30*M,-20*M, 30*M,20*M, 0,7*M);
  60     public static final Path2D WHITE_LINE = PathUtils.path(-30*M,20*M, -30*M,-20*M, 0,-7*M, 30*M,-20*M);
  61     public static final Path2D BLACK_LINE = PathUtils.path(30*M,-20*M, 30*M,20*M, 0,7*M, -30*M,20*M);
  62     public final static Rectangle2D TRACK_RECT = new Rectangle2D.Double(-27*M, -5*M, 54*M, 10*M);
  63     public static final Path2D TRACK_WHITE = PathUtils.path(-27*M,5*M, -27*M,-5*M, 27*M,-5*M);
  64     public static final Path2D TRACK_BLACK = PathUtils.path(27*M,-5*M, 27*M,5*M, -27*M,5*M);
  65
  66     public static ElementClass INSTANCE =
  67         ElementClass.compile(
  68                 new ValvePainter(),
  69                 new ValveHandle(),
  70                 FillColorImpl.handlerOf(new Color(150, 150, 180)),
  71                 //Clickable.INSTANCE,
  72                 Stateful.ENABLED_BY_DEFAULT,
  73                 DefaultTransform.INSTANCE,
  74                 ElementShapeImpl.shapeOf(SHAPE),
  75                 FixedSize.of(SHAPE.getBounds2D())
  76         );
  77
  78     public static class ValveHandle extends SliderHandle implements LifeCycle {
  79         private static final long serialVersionUID = 5605597689550675532L;
  80         @Override
  81         protected Rectangle2D getBounds(IElement e) {
  82             return TRACK_RECT;
  83         }
  84
  85         @Override
  86         protected double getHandleWidth(IElement e) {
  87             return super.getHandleWidth(e);
  88         }
  89
  90         @Override
  91         public void onElementActivated(IDiagram d, IElement e) {
  92         }
  93         @Override
  94         public void onElementCreated(IElement e) {
  95             e.setHint(SliderHandle.KEY_SLIDER_COLOR_PROFILE, SliderColorProfile.DEFAULT);
  96             e.setHint(SliderHandle.KEY_SLIDER_POSITION, 50.0);
  97             e.setHint(SliderHandle.KEY_SLIDER_MIN_VALUE, 0.0);
  98             e.setHint(SliderHandle.KEY_SLIDER_MAX_VALUE, 100.0);
  99         }
 100         @Override
 101         public void onElementDeactivated(IDiagram d, IElement e) {
 102         }
 103         @Override
 104         public void onElementDestroyed(IElement e) {
 105         }
 106
 107     }
 108
 109
 110     private static class ValvePainter implements SceneGraph {
 111         /**
 112          *
 113          */
 114         private static final long serialVersionUID = -434582053817033874L;
 115         public static final Key SG_NODE = new SceneGraphNodeKey(Node.class, "SUB_SG_NODE");
 116
 117         @Override
 118         public void cleanup(IElement e) {
 119             Node node = e.removeHint(SG_NODE);
 120             if (node != null)
 121                 node.remove();
 122         }
 123
 124         @Override
 125         public void init(IElement e, G2DParentNode parent) {
 126             G2DParentNode node = (G2DParentNode) e.getHint(SG_NODE);
 127             if (node == null) {
 128                 node = parent.addNode(G2DParentNode.class);
 129                 e.setHint(SG_NODE, node);
 130             }
 131             Color                       fc              = ElementUtils.getFillColor(e);
 132             PressStatus         press   = null;//ElementUtils.getPressStatus(e, ctx); // FIXME: scenegraph does not support context
 133                         AffineTransform at      = ElementUtils.getTransform(e);
 134                         if(at != null) node.setTransform(at);
 135
 136             ShapeNode shape1 = node.getOrCreateNode("shape1", ShapeNode.class);
 137             shape1.setStroke(STROKE);
 138             shape1.setColor(fc);
 139             shape1.setFill(true);
 140             shape1.setShape(SHAPE);
 141
 142             ShapeNode shape_press1 = node.getOrCreateNode("shape_press1", ShapeNode.class);
 143             ShapeNode shape_press2 = node.getOrCreateNode("shape_press2", ShapeNode.class);
 144
 145             if (press==null || press==PressStatus.NORMAL || press == PressStatus.HOVER) {
 146                 shape_press1.setColor(Color.WHITE);
 147                 shape_press1.setShape(WHITE_LINE);
 148                 shape_press2.setColor(Color.BLACK);
 149                 shape_press2.setShape(BLACK_LINE);
 150             } else if (press==PressStatus.PRESSED) {
 151                 shape_press1.setColor(Color.BLACK);
 152                 shape_press1.setShape(WHITE_LINE);
 153                 shape_press2.setColor(Color.WHITE);
 154                 shape_press2.setShape(BLACK_LINE);
 155             } else if (press==PressStatus.HELD) {
 156                 shape_press1.setColor(new Color(50, 50, 50));
 157                 shape_press1.setShape(WHITE_LINE);
 158                 shape_press2.setColor(new Color(240, 240, 240));
 159                 shape_press2.setShape(BLACK_LINE);
 160             }
 161
 162             ShapeNode shape2 = node.getOrCreateNode("shape2", ShapeNode.class);
 163             shape2.setStroke(STROKE2);
 164             shape2.setColor(Color.BLACK);
 165             shape2.setShape(TRACK_BLACK);
 166
 167             ShapeNode shape3 = node.getOrCreateNode("shape3", ShapeNode.class);
 168             shape3.setStroke(STROKE2);
 169             shape3.setColor(Color.WHITE);
 170             shape3.setShape(TRACK_WHITE);
 171         }
 172     }
 173 }