switch position display

diylc/diylc-core/src/main/java/org/diylc/common/PropertyWrapper.java

@@ -24,6 +24,7 @@ package org.diylc.common;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 
+import org.diylc.core.IDynamicPropertySource;
 import org.diylc.core.IPropertyValidator;
 
 /**
@@ -45,9 +46,10 @@ public class PropertyWrapper implements Cloneable {
   private boolean changed = false;
   private int sortOrder;
   private Object ownerObject;
+  private IDynamicPropertySource dynamicPropertySource;
 
   public PropertyWrapper(String name, Class<?> type, String getter, String setter, boolean defaultable,
-      IPropertyValidator validator, int sortOrder) {
+      IPropertyValidator validator, int sortOrder, IDynamicPropertySource dynamicPropertySource) {
     super();
     this.name = name;
     this.type = type;
@@ -56,6 +58,7 @@ public class PropertyWrapper implements Cloneable {
     this.defaultable = defaultable;
     this.validator = validator;
     this.sortOrder = sortOrder;
+    this.dynamicPropertySource = dynamicPropertySource;
     this.ownerObject = null;
   }
 
@@ -138,6 +141,10 @@ public class PropertyWrapper implements Cloneable {
     return sortOrder;
   }
 
+  public IDynamicPropertySource getDynamicPropertySource() {
+    return dynamicPropertySource;
+  }
+
   // @Override
   // public Object clone() throws CloneNotSupportedException {
   // // Try to invoke clone method on value if possible.
@@ -152,7 +159,7 @@ public class PropertyWrapper implements Cloneable {
   public Object clone() throws CloneNotSupportedException {
     PropertyWrapper clone =
         new PropertyWrapper(this.name, this.type, this.getter, this.setter, this.defaultable, this.validator,
-            this.sortOrder);
+            this.sortOrder, this.dynamicPropertySource);
     clone.value = this.value;
     clone.changed = this.changed;
     clone.unique = this.unique;

diylc/diylc-core/src/main/java/org/diylc/core/IDynamicPropertySource.java

@@ -0,0 +1,34 @@
+/*
+
+    DIY Layout Creator (DIYLC).
+    Copyright (c) 2009-2018 held jointly by the individual authors.
+
+    This file is part of DIYLC.
+
+    DIYLC is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DIYLC is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+package org.diylc.core;
+
+import java.util.List;
+import java.util.Map;
+
+public interface IDynamicPropertySource {
+
+  void setComponent(IDIYComponent<?> component);
+
+  List<Object> getAvailableValues();
+
+  String getDisplayValue(Object value);
+}

diylc/diylc-core/src/main/java/org/diylc/core/ISwitch.java

@@ -21,6 +21,8 @@
 */
 package org.diylc.core;
 
+import java.awt.*;
+
 /**
  * Interface for all component that can act as switches. They must have at least one position.
  * 
@@ -28,6 +30,13 @@ package org.diylc.core;
  */
 public interface ISwitch {
 
+  Color[] POLE_COLORS = new Color[] { Color.decode("#FFD1DC"),
+      Color.decode("#FFE5B4"),
+      Color.decode("#FFFACD"),
+      Color.decode("#B8F2E6"),
+      Color.decode("#AEC6CF"),
+      Color.decode("#E6E6FA")};
+
   /**
    * @return a positive number of positions.
    */
@@ -48,4 +57,15 @@ public interface ISwitch {
    * @return true if the two points are connected in the given switch position, false otherwise.
    */
   boolean arePointsConnected(int index1, int index2, int position);
+
+  /**
+   * @return currently selected switch position, or null if none
+   */
+  default Integer getSelectedPosition() {
+    return null;
+  }
+
+  default Boolean getRenderConnectedTerminals() {
+    return false;
+  }
 }

diylc/diylc-core/src/main/java/org/diylc/core/SwitchPositionPropertyValueSource.java

@@ -0,0 +1,38 @@
+package org.diylc.core;
+
+import java.util.*;
+
+public class SwitchPositionPropertyValueSource implements IDynamicPropertySource {
+
+  private IDIYComponent<?> component;
+
+  @Override
+  public void setComponent(IDIYComponent<?> component) {
+    this.component = component;
+  }
+
+  @Override
+  public List<Object> getAvailableValues() {
+    if (component == null) {
+      throw new RuntimeException("Component not set");
+    }
+    if (!(component instanceof ISwitch sw)) {
+      return List.of();
+    }
+    int positionCount = sw.getPositionCount();
+    List<Object> res = new ArrayList<>();
+    res.add(null);
+    for (int i = 0; i < positionCount; i++) {
+      res.add(i);
+    }
+    return res;
+  }
+
+  @Override
+  public String getDisplayValue(Object value) {
+    if (value == null) {
+      return "";
+    }
+    return "#" + (((Integer)value) + 1);
+  }
+}

diylc/diylc-core/src/main/java/org/diylc/core/annotations/DynamicEditableProperty.java

@@ -0,0 +1,42 @@
+/*
+
+    DIY Layout Creator (DIYLC).
+    Copyright (c) 2009-2018 held jointly by the individual authors.
+
+    This file is part of DIYLC.
+
+    DIYLC is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DIYLC is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+package org.diylc.core.annotations;
+
+import org.diylc.core.IDynamicPropertySource;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/***
+ * Used for properties having dynamic set of possible values. Only to be used in addition to
+ * EditableProperty annotation.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+public @interface DynamicEditableProperty {
+
+  /**
+   * Optional parameter for dynamic values
+   *
+   * @return
+   */
+  Class<? extends IDynamicPropertySource> source() ;
+}

diylc/diylc-core/src/main/java/org/diylc/core/annotations/EditableProperty.java

@@ -25,6 +25,7 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 
 import org.diylc.core.AllowAllValidator;
+import org.diylc.core.IDynamicPropertySource;
 import org.diylc.core.IPropertyValidator;
 
 /**

diylc/diylc-core/src/main/java/org/diylc/presenter/ComponentProcessor.java

@@ -41,11 +41,9 @@ import org.diylc.common.IComponentTransformer;
 import org.diylc.common.PropertyWrapper;
 import org.diylc.core.CreationMethod;
 import org.diylc.core.IDIYComponent;
+import org.diylc.core.IDynamicPropertySource;
 import org.diylc.core.IPropertyValidator;
-import org.diylc.core.annotations.BomPolicy;
-import org.diylc.core.annotations.ComponentDescriptor;
-import org.diylc.core.annotations.EditableProperty;
-import org.diylc.core.annotations.KeywordPolicy;
+import org.diylc.core.annotations.*;
 import org.diylc.lang.LangUtil;
 
 /**
@@ -190,9 +188,15 @@ public class ComponentProcessor {
               }
             }
 
+            IDynamicPropertySource dynamicPropertySource = null;
+            if (getter.isAnnotationPresent(DynamicEditableProperty.class)) {
+              DynamicEditableProperty dynamicAnnotation = getter.getAnnotation(DynamicEditableProperty.class);
+              dynamicPropertySource = getDynamicPropertySource(dynamicAnnotation.source());
+            }
+            
             PropertyWrapper property =
                 new PropertyWrapper(name, getter.getReturnType(), getter.getName(), setterName,
-                    annotation.defaultable(), validator, annotation.sortOrder());
+                    annotation.defaultable(), validator, annotation.sortOrder(), dynamicPropertySource);
             properties.add(property);
           }       
       }
@@ -278,6 +282,17 @@ public class ComponentProcessor {
     return validator;
   }
 
+  private IDynamicPropertySource getDynamicPropertySource(Class<? extends IDynamicPropertySource> clazz) {
+    IDynamicPropertySource source;
+    try {
+      source = clazz.getDeclaredConstructor().newInstance();
+    } catch (Exception e) {
+      LOG.error("Could not instantiate source for " + clazz.getName(), e);
+      return null;
+    }
+    return source;
+  }
+
   private IComponentTransformer getComponentTransformer(Class<? extends IComponentTransformer> clazz) {
     if (clazz == null)
       return null;

diylc/diylc-core/src/main/java/org/diylc/utils/ResourceUtils.java

@@ -1,3 +1,24 @@
+/*
+
+    DIY Layout Creator (DIYLC).
+    Copyright (c) 2009-2018 held jointly by the individual authors.
+
+    This file is part of DIYLC.
+
+    DIYLC is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DIYLC is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
 package org.diylc.utils;
 
 import org.apache.log4j.Logger;

diylc/diylc-core/src/main/java/org/diylc/utils/ScaledBufferedImage.java

@@ -1,3 +1,24 @@
+/*
+
+    DIY Layout Creator (DIYLC).
+    Copyright (c) 2009-2018 held jointly by the individual authors.
+
+    This file is part of DIYLC.
+
+    DIYLC is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DIYLC is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
 package org.diylc.utils;
 
 import java.awt.Graphics2D;

diylc/diylc-core/src/main/java/org/diylc/utils/SwitchUtils.java

@@ -0,0 +1,89 @@
+/*
+
+    DIY Layout Creator (DIYLC).
+    Copyright (c) 2009-2018 held jointly by the individual authors.
+
+    This file is part of DIYLC.
+
+    DIYLC is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DIYLC is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+package org.diylc.utils;
+
+import org.diylc.core.ISwitch;
+
+import java.util.*;
+
+public class SwitchUtils {
+
+   public static List<Set<Integer>> getConnectedTerminals(ISwitch switchComponent, int numPoints) {
+        List<Set<Integer>> connectedGroups = new ArrayList<>();
+        
+        // Only process if we have a selected position and should render connections
+        if (switchComponent.getSelectedPosition() == null || !Boolean.TRUE.equals(switchComponent.getRenderConnectedTerminals())) {
+            return connectedGroups;
+        }
+
+        // First, collect all direct connections
+        List<int[]> connections = new ArrayList<>();
+        for (int i = 0; i < numPoints; i++) {
+            for (int j = i + 1; j < numPoints; j++) {
+                if (switchComponent.arePointsConnected(i, j, switchComponent.getSelectedPosition())) {
+                    connections.add(new int[]{i, j});
+                }
+            }
+        }
+
+        // Create a map to track which points are in which group
+        Map<Integer, Set<Integer>> pointToGroup = new HashMap<>();
+        
+        // Process each connection
+        for (int[] connection : connections) {
+            int p1 = connection[0];
+            int p2 = connection[1];
+            
+            Set<Integer> group1 = pointToGroup.get(p1);
+            Set<Integer> group2 = pointToGroup.get(p2);
+            
+            if (group1 == null && group2 == null) {
+                // Create new group
+                Set<Integer> newGroup = new HashSet<>();
+                newGroup.add(p1);
+                newGroup.add(p2);
+                pointToGroup.put(p1, newGroup);
+                pointToGroup.put(p2, newGroup);
+            } else if (group1 == null) {
+                // Add p1 to p2's group
+                group2.add(p1);
+                pointToGroup.put(p1, group2);
+            } else if (group2 == null) {
+                // Add p2 to p1's group
+                group1.add(p2);
+                pointToGroup.put(p2, group1);
+            } else if (group1 != group2) {
+                // Merge groups
+                group1.addAll(group2);
+                for (Integer p : group2) {
+                    pointToGroup.put(p, group1);
+                }
+            }
+        }
+        
+        // Collect unique groups
+        Set<Set<Integer>> uniqueGroups = new HashSet<>(pointToGroup.values());
+        connectedGroups.addAll(uniqueGroups);
+        
+        return connectedGroups;
+    }
+}

diylc/diylc-core/src/test/java/org/diylc/utils/SwitchUtilsTest.java

@@ -0,0 +1,136 @@
+package org.diylc.utils;
+
+import org.diylc.core.ISwitch;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+import java.util.*;
+
+public class SwitchUtilsTest {
+
+    // Mock switch implementation for testing
+    private static class MockSwitch implements ISwitch {
+        private final List<int[]> connections;
+        private final Integer selectedPosition;
+        private final boolean renderConnected;
+
+        public MockSwitch(List<int[]> connections, Integer selectedPosition, boolean renderConnected) {
+            this.connections = connections;
+            this.selectedPosition = selectedPosition;
+            this.renderConnected = renderConnected;
+        }
+
+        @Override
+        public boolean arePointsConnected(int index1, int index2, int position) {
+            if (position != selectedPosition) return false;
+            return connections.stream()
+                .anyMatch(conn -> (conn[0] == index1 && conn[1] == index2) || 
+                                (conn[0] == index2 && conn[1] == index1));
+        }
+
+        @Override
+        public Integer getSelectedPosition() {
+            return selectedPosition;
+        }
+
+        @Override
+        public Boolean getRenderConnectedTerminals() {
+            return renderConnected;
+        }
+
+        // Other interface methods not needed for testing
+        @Override public int getPositionCount() { return 0; }
+        @Override public String getPositionName(int position) { return null; }
+    }
+
+    @Test
+    public void testNoConnections() {
+        MockSwitch mockSwitch = new MockSwitch(Collections.emptyList(), 0, true);
+        List<Set<Integer>> groups = SwitchUtils.getConnectedTerminals(mockSwitch, 5);
+        assertTrue("Should return empty list when no connections", groups.isEmpty());
+    }
+
+    @Test
+    public void testSingleConnection() {
+        List<int[]> connections = Arrays.asList(new int[]{0, 1});
+        MockSwitch mockSwitch = new MockSwitch(connections, 0, true);
+        List<Set<Integer>> groups = SwitchUtils.getConnectedTerminals(mockSwitch, 5);
+        
+        assertEquals("Should have one group", 1, groups.size());
+        assertTrue("Group should contain points 0 and 1", 
+            groups.get(0).containsAll(Arrays.asList(0, 1)));
+    }
+
+    @Test
+    public void testTransitiveConnections() {
+        // Test case where 1-2-3 are connected through 2
+        List<int[]> connections = Arrays.asList(
+            new int[]{1, 2},
+            new int[]{2, 3}
+        );
+        MockSwitch mockSwitch = new MockSwitch(connections, 0, true);
+        List<Set<Integer>> groups = SwitchUtils.getConnectedTerminals(mockSwitch, 5);
+        
+        assertEquals("Should have one group", 1, groups.size());
+        assertTrue("Group should contain points 1, 2, and 3", 
+            groups.get(0).containsAll(Arrays.asList(1, 2, 3)));
+    }
+
+    @Test
+    public void testMultipleGroups() {
+        // Test case with two separate groups: {1,2,3} and {4,6,7}
+        List<int[]> connections = Arrays.asList(
+            new int[]{2, 3},
+            new int[]{1, 3},
+            new int[]{4, 7},
+            new int[]{4, 6}
+        );
+        MockSwitch mockSwitch = new MockSwitch(connections, 0, true);
+        List<Set<Integer>> groups = SwitchUtils.getConnectedTerminals(mockSwitch, 8);
+        
+        assertEquals("Should have two groups", 2, groups.size());
+        assertTrue("Groups should contain {1,2,3} and {4,6,7}",
+            groups.stream().anyMatch(g -> g.containsAll(Arrays.asList(1, 2, 3))) &&
+            groups.stream().anyMatch(g -> g.containsAll(Arrays.asList(4, 6, 7))));
+    }
+
+    @Test
+    public void testRenderConnectedFalse() {
+        List<int[]> connections = Arrays.asList(new int[]{0, 1});
+        MockSwitch mockSwitch = new MockSwitch(connections, 0, false);
+        List<Set<Integer>> groups = SwitchUtils.getConnectedTerminals(mockSwitch, 5);
+        assertTrue("Should return empty list when renderConnected is false", groups.isEmpty());
+    }
+
+    @Test
+    public void testNoSelectedPosition() {
+        List<int[]> connections = Arrays.asList(new int[]{0, 1});
+        MockSwitch mockSwitch = new MockSwitch(connections, null, true);
+        List<Set<Integer>> groups = SwitchUtils.getConnectedTerminals(mockSwitch, 5);
+        assertTrue("Should return empty list when no position selected", groups.isEmpty());
+    }
+
+    @Test
+    public void testComplexConnections() {
+        // Test case with multiple interconnected points
+        List<int[]> connections = Arrays.asList(
+            new int[]{0, 1},
+            new int[]{1, 2},
+            new int[]{2, 3},
+            new int[]{3, 0},  // Creates a circle
+            new int[]{4, 5},
+            new int[]{5, 6},
+            new int[]{7, 8}   // Separate pair
+        );
+        MockSwitch mockSwitch = new MockSwitch(connections, 0, true);
+        List<Set<Integer>> groups = SwitchUtils.getConnectedTerminals(mockSwitch, 9);
+        
+        assertEquals("Should have three groups", 3, groups.size());
+        assertTrue("Should have group with points 0,1,2,3",
+            groups.stream().anyMatch(g -> g.containsAll(Arrays.asList(0, 1, 2, 3))));
+        assertTrue("Should have group with points 4,5,6",
+            groups.stream().anyMatch(g -> g.containsAll(Arrays.asList(4, 5, 6))));
+        assertTrue("Should have group with points 7,8",
+            groups.stream().anyMatch(g -> g.containsAll(Arrays.asList(7, 8))));
+    }
+} 

diylc/diylc-library/src/main/java/org/diylc/components/guitar/LeverSwitch.java

@@ -32,28 +32,26 @@ import java.awt.geom.Ellipse2D;
 import java.awt.geom.Point2D;
 import java.awt.geom.Rectangle2D;
 import java.awt.geom.RoundRectangle2D;
-import java.util.Arrays;
-import java.util.List;
+import java.util.*;
+import java.util.stream.IntStream;
+
 import org.diylc.appframework.miscutils.ConfigurationManager;
 
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
 import org.diylc.components.AbstractAngledComponent;
 import org.diylc.components.transform.AngledComponentTransformer;
-import org.diylc.core.ComponentState;
-import org.diylc.core.IDIYComponent;
-import org.diylc.core.IDrawingObserver;
-import org.diylc.core.ISwitch;
-import org.diylc.core.Project;
-import org.diylc.core.Theme;
-import org.diylc.core.VisibilityPolicy;
+import org.diylc.core.*;
 import org.diylc.core.annotations.ComponentDescriptor;
+import org.diylc.core.annotations.DynamicEditableProperty;
 import org.diylc.core.annotations.EditableProperty;
 import org.diylc.core.annotations.KeywordPolicy;
 import org.diylc.core.measures.Size;
 import org.diylc.core.measures.SizeUnit;
 import org.diylc.utils.Constants;
 
+import static org.diylc.utils.SwitchUtils.getConnectedTerminals;
+
 @ComponentDescriptor(name = "Lever Switch", category = "Guitar", author = "Branislav Stojkovic",
     description = "Strat-style lever switch", zOrder = IDIYComponent.COMPONENT,
     instanceNamePrefix = "SW", keywordPolicy = KeywordPolicy.SHOW_TAG,
@@ -65,7 +63,6 @@ public class LeverSwitch extends AbstractAngledComponent<LeverSwitch.LeverSwitch
   private static Color BASE_COLOR = Color.lightGray;
   private static Color WAFER_COLOR = Color.decode("#CD8500");
   private static Color LUG_COLOR = METAL_COLOR;
-  private static Color COMMON_LUG_COLOR = Color.decode("#FF9999");
 
   private static Size BASE_WIDTH = new Size(10d, SizeUnit.mm);
   private static Size BASE_LENGTH = new Size(47.5d, SizeUnit.mm);
@@ -83,7 +80,10 @@ public class LeverSwitch extends AbstractAngledComponent<LeverSwitch.LeverSwitch
   private transient String value = "";
   private Point2D[] controlPoints = new Point2D[] {new Point2D.Double(0, 0)};
   private LeverSwitchType type = LeverSwitchType.DP3T;
+  @Deprecated
   private Boolean highlightCommon;
+  private Integer selectedPosition;
+  private Boolean renderConnectedTerminals;
 
   public LeverSwitch() {
     super();
@@ -142,10 +142,12 @@ public class LeverSwitch extends AbstractAngledComponent<LeverSwitch.LeverSwitch
     g2d.fill(body[2]);
     g2d.setColor(LUG_COLOR.darker());
     g2d.draw(body[2]);
-    g2d.setColor(COMMON_LUG_COLOR);
-    g2d.fill(body[3]);
-    g2d.setColor(COMMON_LUG_COLOR.darker());
-    g2d.draw(body[3]);
+    for (int i = 3; i < body.length; i++) {
+      g2d.setColor(ISwitch.POLE_COLORS[i - 3]);
+      g2d.fill(body[i]);
+      g2d.setColor(ISwitch.POLE_COLORS[i - 3].darker());
+      g2d.draw(body[i]);
+    }
     
 //    g2d.setColor(Color.black);
 //    for(int i = 0; i < getControlPointCount(); i++) {
@@ -156,7 +158,6 @@ public class LeverSwitch extends AbstractAngledComponent<LeverSwitch.LeverSwitch
   @SuppressWarnings("incomplete-switch")
   public Shape[] getBody() {
     if (body == null) {
-      body = new Shape[4];
 
       double x = controlPoints[0].getX();
       double y = controlPoints[0].getY();
@@ -192,7 +193,7 @@ public class LeverSwitch extends AbstractAngledComponent<LeverSwitch.LeverSwitch
           + (baseLength - holeSpacing) / 2 - holeSize / 2, holeSize, holeSize)));
       baseArea.subtract(new Area(new Ellipse2D.Double(baseX + baseWidth / 2 - holeSize / 2, baseY
           + (baseLength - holeSpacing) / 2 - holeSize / 2 + holeSpacing, holeSize, holeSize)));
-      body[0] = baseArea;
+
 
       Area waferArea =
           new Area(new Rectangle2D.Double(x - terminalLength / 2 - waferThickness / 2, y
@@ -204,12 +205,18 @@ public class LeverSwitch extends AbstractAngledComponent<LeverSwitch.LeverSwitch
             - (waferLength - terminalSpacing * 12) / 2, waferThickness,
             waferLength)));
       }
-      body[1] = waferArea;
 
       double theta = getAngle().getValueRad();
 
-      Area terminalArea = new Area();
-      Area commonTerminalArea = new Area();
+      List<Set<Integer>> connectedTerminals = getConnectedTerminals(this, controlPoints.length);
+
+      body = new Shape[3 + connectedTerminals.size()];
+      body[0] = baseArea;
+      body[1] = waferArea;
+      for (int i = 0; i <= connectedTerminals.size(); i++) {
+        body[2 + i] = new Area();
+      }
+
       for (int i = 0; i < controlPoints.length; i++) {
         Point2D point = controlPoints[i];
         Area terminal =
@@ -222,19 +229,14 @@ public class LeverSwitch extends AbstractAngledComponent<LeverSwitch.LeverSwitch
           AffineTransform rotation = AffineTransform.getRotateInstance(theta, point.getX(), point.getY());
           terminal.transform(rotation);
         }
-        terminalArea.add(terminal);
-        if (getHighlightCommon() && 
-            (((type == LeverSwitchType.DP3T || type == LeverSwitchType.DP3T_5pos) && (i == 1 || i == 6)) ||
-            ((type == LeverSwitchType._6_WAY_OG) && (i == 1 || i == 8)) ||
-            (type == LeverSwitchType.DP4T && (i == 1 || i == 8)) ||
-            (type == LeverSwitchType.DP3T_5pos_Import && (i == 3 || i == 4)) ||
-            ((type == LeverSwitchType._4P5T || type == LeverSwitchType.DP5T) && (i == 0 || i == 11 || i == 12 || i == 23))))
-          commonTerminalArea.add(terminal);
-        else
-          terminalArea.add(terminal);
+
+        int finalI = i;
+        int groupIndex = IntStream.range(0, connectedTerminals.size())
+            .filter(j -> connectedTerminals.get(j).contains(finalI))
+            .findFirst().orElse(-1);
+
+        ((Area)body[3 + groupIndex]).add(terminal);
       }
-      body[2] = terminalArea;
-      body[3] = commonTerminalArea;
 
       // Rotate if needed
       if (theta != 0) {
@@ -250,6 +252,8 @@ public class LeverSwitch extends AbstractAngledComponent<LeverSwitch.LeverSwitch
     return body;
   }
 
+
+
   @SuppressWarnings("incomplete-switch")
   protected void updateControlPoints() {
     double x = controlPoints[0].getX();
@@ -383,21 +387,6 @@ public class LeverSwitch extends AbstractAngledComponent<LeverSwitch.LeverSwitch
     this.body = null;
   }
 
-  @EditableProperty(name = "Mark Common Lugs")
-  public Boolean getHighlightCommon() {
-    if (highlightCommon == null)
-      highlightCommon = true;
-    return highlightCommon;
-  }
-  
-  public void setHighlightCommon(Boolean highlightCommon) {
-    this.highlightCommon = highlightCommon;
-    
-    body = null;
-  }
- 
-
-  
 //  @Override
 //  public String getControlPointNodeName(int index) {
 //    // we don't want the switch to produce any nodes, it just makes connections
@@ -533,6 +522,32 @@ public class LeverSwitch extends AbstractAngledComponent<LeverSwitch.LeverSwitch
           ) // position 6      
       );
 
+  @DynamicEditableProperty(source = SwitchPositionPropertyValueSource.class)
+  @EditableProperty(name = "Selected Position")
+  @Override
+  public Integer getSelectedPosition() {
+    return selectedPosition;
+  }
+
+  public void setSelectedPosition(Integer selectedPosition) {
+    this.selectedPosition = selectedPosition;
+    this.body = null;
+  }
+
+  @EditableProperty(name = "Visualize Connected")
+  @Override
+  public Boolean getRenderConnectedTerminals() {
+    if (renderConnectedTerminals == null) {
+      renderConnectedTerminals = false;
+    }
+    return renderConnectedTerminals;
+  }
+
+  public void setRenderConnectedTerminals(Boolean renderConnectedTerminals) {
+    this.renderConnectedTerminals = renderConnectedTerminals;
+    this.body = null;
+  }
+
   public static enum LeverSwitchType {
     
     DP3T("DP3T (Standard 3-Position Strat)"), DP3T_5pos("DP3T (Standard 5-Position Strat)"), DP3T_5pos_Import("DP3T (Import 5-Position Strat)"),

diylc/diylc-swing/src/main/java/org/diylc/swing/actions/CheckProximityAction.java

@@ -49,7 +49,7 @@ public class CheckProximityAction extends AbstractAction implements Cloneable {
   @Override
   public void actionPerformed(ActionEvent e) {
     PropertyWrapper wrapper = new PropertyWrapper("Threshold", Size.class, "getThreshold",
-        "setThreshold", false, new PositiveNonZeroMeasureValidator(), 0);
+        "setThreshold", false, new PositiveNonZeroMeasureValidator(), 0, null);
     try {
       wrapper.readFrom(CheckProximityAction.this);
     } catch (Exception e1) {

diylc/diylc-swing/src/main/java/org/diylc/swing/gui/editor/DynamicValueEditor.java

@@ -0,0 +1,187 @@
+/*
+
+    DIY Layout Creator (DIYLC).
+    Copyright (c) 2009-2018 held jointly by the individual authors.
+
+    This file is part of DIYLC.
+
+    DIYLC is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DIYLC is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+package org.diylc.swing.gui.editor;
+
+import org.diylc.common.PropertyWrapper;
+import org.diylc.core.IDIYComponent;
+import org.diylc.core.IDynamicPropertySource;
+import org.diylc.lang.LangUtil;
+import org.diylc.utils.Constants;
+
+import javax.swing.*;
+import javax.swing.event.ListDataEvent;
+import javax.swing.event.ListDataListener;
+import javax.swing.event.PopupMenuEvent;
+import javax.swing.event.PopupMenuListener;
+import java.awt.*;
+import java.awt.event.FocusAdapter;
+import java.awt.event.FocusEvent;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.awt.event.MouseListener;
+import java.util.Vector;
+
+public class DynamicValueEditor extends JComboBox<Object> {
+
+  private static final long serialVersionUID = 1L;
+
+  private Color oldBg = getBackground();
+
+  private final PropertyWrapper property;
+
+  public DynamicValueEditor(final PropertyWrapper property) {
+    this.property = property;
+    IDynamicPropertySource dynamicPropertySource = property.getDynamicPropertySource();
+    if (property.getOwnerObject() == null || !(property.getOwnerObject() instanceof IDIYComponent)) {
+      setModel(new DefaultComboBoxModel<Object>(new Object[0]));
+      setEnabled(false);
+    } else {
+      dynamicPropertySource.setComponent((IDIYComponent<?>) property.getOwnerObject());
+      setModel(new DynamicComboBoxModel(dynamicPropertySource));
+    }
+    if (property.isReadOnly())
+      setEnabled(false);
+
+    setRenderer(new DefaultListCellRenderer() {
+
+      private static final long serialVersionUID = 1L;
+      
+      @Override
+      public Component getListCellRendererComponent(JList<?> list, Object value, int index,
+          boolean isSelected, boolean cellHasFocus) {
+        // TODO Auto-generated method stub
+        return super.getListCellRendererComponent(list, value == null ? null : LangUtil.translate(dynamicPropertySource.getDisplayValue(value)),
+            index, isSelected, cellHasFocus);
+      }
+      
+    });
+    setSelectedItem(property.getValue());
+
+    addPopupMenuListener(new PopupMenuListener() {
+      @Override
+      public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
+        // Schedule the update just after the popup becomes visible
+        SwingUtilities.invokeLater(() -> {
+          if (getModel() instanceof DynamicComboBoxModel model) {
+            model.refreshValues();
+          }
+        });
+      }
+
+      @Override
+      public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {}
+
+      @Override
+      public void popupMenuCanceled(PopupMenuEvent e) {}
+    });
+
+    addItemListener(new ItemListener() {
+
+      @Override
+      public void itemStateChanged(ItemEvent e) {
+        if (e.getStateChange() == ItemEvent.SELECTED) {
+          property.setChanged(true);
+          setBackground(oldBg);
+          DynamicValueEditor.this.property.setValue(e.getItem());
+        }
+      }
+    });
+    if (!property.isUnique()) {
+      setBackground(Constants.MULTI_VALUE_COLOR);
+    }
+  }
+
+  class DynamicComboBoxModel implements ComboBoxModel<Object> {
+    private final Vector<Object> items;
+    private Object selectedItem;
+    private final Vector<ListDataListener> listeners;
+    private final IDynamicPropertySource dynamicPropertySource;
+
+    public DynamicComboBoxModel(IDynamicPropertySource source) {
+      this.dynamicPropertySource = source;
+      this.items = new Vector<>();
+      this.listeners = new Vector<>();
+      refreshValues();
+    }
+
+    private void refreshValues() {
+      if (dynamicPropertySource != null) {
+        java.util.List<?> newValues = dynamicPropertySource.getAvailableValues();
+        if (!items.equals(newValues)) {
+          Object selected = selectedItem;
+          items.clear();
+          items.addAll(newValues);
+          
+          // Single update event
+          ListDataEvent event = new ListDataEvent(this, ListDataEvent.CONTENTS_CHANGED, 0, items.size());
+          for (ListDataListener listener : listeners) {
+            listener.contentsChanged(event);
+          }
+
+          // Restore selection if possible
+          if (selected != null && items.contains(selected)) {
+            selectedItem = selected;
+          } else if (!items.isEmpty()) {
+            selectedItem = items.get(0);
+          } else {
+            selectedItem = null;
+          }
+        }
+      }
+    }
+
+    @Override
+    public void setSelectedItem(Object anItem) {
+      if ((selectedItem != null && !selectedItem.equals(anItem)) ||
+          selectedItem == null && anItem != null) {
+        selectedItem = anItem;
+      }
+    }
+
+    @Override
+    public Object getSelectedItem() {
+      return selectedItem;
+    }
+
+    @Override
+    public int getSize() {
+      return items.size();
+    }
+
+    @Override
+    public Object getElementAt(int index) {
+      return items.get(index);
+    }
+
+    @Override
+    public void addListDataListener(ListDataListener l) {
+      listeners.add(l);
+    }
+
+    @Override
+    public void removeListDataListener(ListDataListener l) {
+      listeners.remove(l);
+    }
+  }
+}

diylc/diylc-swing/src/main/java/org/diylc/swing/gui/editor/FieldEditorFactory.java

@@ -95,6 +95,10 @@ public class FieldEditorFactory {
       EnumEditor editor = new EnumEditor(property);
       return editor;
     }
+    if (property.getDynamicPropertySource() != null) {
+      DynamicValueEditor editor = new DynamicValueEditor(property);
+      return editor;
+    }
     if (Byte.class.isAssignableFrom(property.getType()) || byte.class.isAssignableFrom(property.getType())) {
       ByteEditor editor = new ByteEditor(property);
       return editor;