bundles/org.simantics.diagram/src/org/simantics/diagram/profile/IconNode.java

   1 package org.simantics.diagram.profile;\r
   2 \r
   3 import java.awt.Graphics2D;\r
   4 import java.awt.geom.AffineTransform;\r
   5 import java.awt.geom.Rectangle2D;\r
   6 \r
   7 import org.simantics.datatypes.literal.RGB;\r
   8 import org.simantics.datatypes.literal.Vec2d;\r
   9 import org.simantics.diagram.internal.Activator;\r
  10 import org.simantics.diagram.profile.IconResult.A;\r
  11 import org.simantics.diagram.profile.IconResult.B;\r
  12 import org.simantics.scenegraph.g2d.nodes.SVGNode;\r
  13 \r
  14 public class IconNode extends IconButtonNode {\r
  15         \r
  16         enum Blink {\r
  17                 NO, INCREASE, DECREASE\r
  18         }\r
  19         \r
  20         private B config;\r
  21         private SVGNode lo = new SVGNode();\r
  22         private SVGNode mid = new SVGNode();\r
  23         private SVGNode hi = new SVGNode();\r
  24 \r
  25         private SVGNode current;\r
  26         \r
  27         private static final long serialVersionUID = -7850188341977866325L;\r
  28         private IconNode.Blink blink = Blink.NO;\r
  29         private double previousValue = Double.NaN;\r
  30         private long previousValueTime = System.nanoTime();\r
  31         \r
  32         private void setBlink(IconNode.Blink blink) {\r
  33                 // Was turned off\r
  34                 if(Blink.NO == blink && Blink.NO != this.blink) Updater.getInstance().unregister(this);\r
  35                 // Was turned on\r
  36                 if(Blink.NO != blink && Blink.NO == this.blink) Updater.getInstance().register(this);\r
  37                 // Record state\r
  38                 this.blink = blink;\r
  39         }\r
  40         \r
  41         private void setValue(double value) {\r
  42                 \r
  43                 if(value < config.loValue) {\r
  44                         current = lo;\r
  45                         setBlink(Blink.NO);\r
  46                 } else if (value > config.hiValue) {\r
  47                         current = hi;\r
  48                         setBlink(Blink.NO);\r
  49                 } else {\r
  50                         current = mid;\r
  51                         if(value-previousValue > 1e-6) setBlink(Blink.INCREASE);\r
  52                         else if(previousValue-value > 1e-6) setBlink(Blink.DECREASE);\r
  53                         else setBlink(Blink.NO);\r
  54                 }\r
  55                 previousValue = value;\r
  56                 previousValueTime = System.nanoTime();\r
  57                 \r
  58         }\r
  59         \r
  60         private void setConfig(B config) {\r
  61 \r
  62                 if(this.config == config) return;\r
  63                 \r
  64                 if(config.loColor != null) {\r
  65                 String loIcon = createSVG(config.iconName, config.loColor, config.size);\r
  66                 lo.setData(loIcon);\r
  67                 }\r
  68                 if(config.midColor != null) {\r
  69                 String midIcon = createSVG(config.iconName, config.midColor, config.size);\r
  70                 mid.setData(midIcon);\r
  71                 }\r
  72                 if(config.hiColor != null) {\r
  73                 String hiIcon = createSVG(config.iconName, config.hiColor, config.size);\r
  74                 hi.setData(hiIcon);\r
  75                 }\r
  76         \r
  77         this.config = config;\r
  78                 \r
  79         }\r
  80         \r
  81         public void setA(A data) {\r
  82 \r
  83                 setConfig(data.config);\r
  84         setValue(data.value);\r
  85                 \r
  86         }\r
  87         \r
  88     @Override\r
  89     public void cleanup() {\r
  90                 Updater.getInstance().unregister(this);\r
  91         super.cleanup();\r
  92     }\r
  93         \r
  94     @Override\r
  95     public void render(Graphics2D g2d) {\r
  96 \r
  97                 AffineTransform ot = null;\r
  98                 if (!transform.isIdentity()) {\r
  99                         ot = g2d.getTransform();\r
 100                         g2d.transform(transform);\r
 101                 }\r
 102         \r
 103         if(Blink.NO == blink) {\r
 104                 current.render(g2d);\r
 105         } else {\r
 106                 long time = Updater.getInstance().getTime();\r
 107                 \r
 108                 // Sanity check: turn blink of when no data for 2 seconds.\r
 109                 if(time-previousValueTime > 2000000000L) {\r
 110                         mid.render(g2d);\r
 111                         setBlink(Blink.NO);\r
 112                 } else {\r
 113                         long halfSeconds = time / 500000000L; \r
 114                         if((halfSeconds & 1) == 0) {\r
 115                                 mid.render(g2d);\r
 116                         } else {\r
 117                                 if(Blink.INCREASE == blink) {\r
 118                                         hi.render(g2d);\r
 119                                 } else {\r
 120                                         lo.render(g2d);\r
 121                                 }\r
 122                         }\r
 123                 }\r
 124                 \r
 125         }\r
 126 \r
 127                 if (ot != null)\r
 128                         g2d.setTransform(ot);\r
 129         \r
 130     }\r
 131 \r
 132     Rectangle2D EMPTY = new Rectangle2D.Double(0, 0, 0, 0);\r
 133     \r
 134         @Override\r
 135         public Rectangle2D getBoundsInLocal() {\r
 136                 return EMPTY;\r
 137         }\r
 138 \r
 139         @Override\r
 140         void setData(IconButtonResult data) {\r
 141                 IconResult ir = (IconResult)data;\r
 142                 setA(ir.getA());\r
 143         }\r
 144         \r
 145     public String createSVG(String iconName, RGB.Integer rgb, Vec2d scale) {\r
 146         return Activator.ICON_PROVIDER.apply(iconName, rgb, scale);\r
 147     }\r
 148         \r
 149 }