Resistors, capacitors, diodes, ICs, transistors and other PCB parts can be placed on the bottom of the board with the new 'Board Side' property; Gerber export puts their silkscreen on the bottom layer with the text mirrored

diylc/diylc-library/src/main/java/org/diylc/components/connectivity/PCBTerminalBlock.java

@@ -32,10 +32,12 @@ import org.diylc.appframework.miscutils.ConfigurationManager;
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
 import org.diylc.common.Orientation;
+import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractTransparentComponent;
 import org.diylc.components.connectivity.PCBTerminalBlock.PCBTerminalBlockCount;
 import org.diylc.components.transform.PCBTerminalBlockTransformer;
 import org.diylc.core.ComponentState;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
@@ -52,7 +54,7 @@ import org.diylc.utils.Constants;
     author = "Branislav Stojkovic", description = "Horizontal PCB terminal block with configurable pitch",
     zOrder = IDIYComponent.COMPONENT, instanceNamePrefix = "TB",
     enableCache = true, transformer = PCBTerminalBlockTransformer.class)
-public class PCBTerminalBlock extends AbstractTransparentComponent<PCBTerminalBlockCount> implements IGerberComponentSimple {
+public class PCBTerminalBlock extends AbstractTransparentComponent<PCBTerminalBlockCount> implements IGerberComponentSimple, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -72,6 +74,7 @@ public class PCBTerminalBlock extends AbstractTransparentComponent<PCBTerminalBl
   private Size width = new Size(0.3d, SizeUnit.in);
   private ScrewPosition screwPosition = ScrewPosition.Offset;
   private String nodeNames = "";
+  private PCBLayer boardSide;
 
   public PCBTerminalBlock() {
     super();
@@ -370,6 +373,16 @@ public class PCBTerminalBlock extends AbstractTransparentComponent<PCBTerminalBl
         bounds.getWidth() + 2 * margin, bounds.getHeight() + 2 * margin);
   }
 
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
+
   static enum PCBTerminalBlockCount {
     _2("Two"), _3("Three"), _4("Four"), _5("Five"), _6("Six"), _7("Seven"), _8("Eight"), _9(
         "Nine"), _10("Ten");

diylc/diylc-library/src/main/java/org/diylc/components/electromechanical/CliffJack1_4.java

@@ -40,10 +40,12 @@ import org.diylc.common.HorizontalAlignment;
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
 import org.diylc.common.Orientation;
+import org.diylc.common.PCBLayer;
 import org.diylc.common.VerticalAlignment;
 import org.diylc.components.AbstractMultiPartComponent;
 import org.diylc.components.transform.CliffJackTransformer;
 import org.diylc.core.ComponentState;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
@@ -62,7 +64,7 @@ import org.diylc.utils.Constants;
     description = "Cliff-style closed panel mount 1/4\" phono jack",
     zOrder = IDIYComponent.COMPONENT, instanceNamePrefix = "J", transformer = CliffJackTransformer.class,
     enableCache = true)
-public class CliffJack1_4 extends AbstractMultiPartComponent<JackType> implements IGerberComponentSimple {
+public class CliffJack1_4 extends AbstractMultiPartComponent<JackType> implements IGerberComponentSimple, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -84,6 +86,7 @@ public class CliffJack1_4 extends AbstractMultiPartComponent<JackType> implement
   @SuppressWarnings("unused")
   @Deprecated
   private transient String value = "";
+  private PCBLayer boardSide;
 
   public CliffJack1_4() {
     super();
@@ -373,4 +376,14 @@ public class CliffJack1_4 extends AbstractMultiPartComponent<JackType> implement
   public boolean canPointMoveFreely(int pointIndex) {
     return false;
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/electromechanical/CliffJack1_8.java

@@ -36,10 +36,12 @@ import org.diylc.common.HorizontalAlignment;
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
 import org.diylc.common.Orientation;
+import org.diylc.common.PCBLayer;
 import org.diylc.common.VerticalAlignment;
 import org.diylc.components.AbstractMultiPartComponent;
 import org.diylc.components.transform.CliffJackTransformer;
 import org.diylc.core.ComponentState;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
@@ -56,7 +58,7 @@ import org.diylc.utils.Constants;
     author = "Branislav Stojkovic", description = "Cliff-style closed 1/8\" phono jack",
     zOrder = IDIYComponent.COMPONENT, instanceNamePrefix = "J",
     transformer = CliffJackTransformer.class, enableCache = true)
-public class CliffJack1_8 extends AbstractMultiPartComponent<JackType> implements IGerberComponentSimple {
+public class CliffJack1_8 extends AbstractMultiPartComponent<JackType> implements IGerberComponentSimple, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -80,6 +82,7 @@ public class CliffJack1_8 extends AbstractMultiPartComponent<JackType> implement
   private Orientation orientation = Orientation.DEFAULT;
   transient private Shape[] body;
   private boolean nut = false;
+  private PCBLayer boardSide;
 
   public CliffJack1_8() {
     super();
@@ -394,4 +397,14 @@ public class CliffJack1_8 extends AbstractMultiPartComponent<JackType> implement
   public boolean canPointMoveFreely(int pointIndex) {
     return false;
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/electromechanical/ClosedJack1_4.java

@@ -41,10 +41,12 @@ import org.diylc.common.HorizontalAlignment;
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
 import org.diylc.common.Orientation;
+import org.diylc.common.PCBLayer;
 import org.diylc.common.VerticalAlignment;
 import org.diylc.components.AbstractMultiPartComponent;
 import org.diylc.components.transform.ClosedJackTransformer;
 import org.diylc.core.ComponentState;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
@@ -62,7 +64,7 @@ import org.diylc.utils.Constants;
 @ComponentDescriptor(name = "Closed 1/4\" Jack", category = "Electro-Mechanical", author = "Branislav Stojkovic",
     description = "Enclosed panel mount 1/4\" phono jack", zOrder = IDIYComponent.COMPONENT,
     instanceNamePrefix = "J", transformer = ClosedJackTransformer.class, enableCache = true)
-public class ClosedJack1_4 extends AbstractMultiPartComponent<JackType> implements IGerberComponentSimple {
+public class ClosedJack1_4 extends AbstractMultiPartComponent<JackType> implements IGerberComponentSimple, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -86,6 +88,7 @@ public class ClosedJack1_4 extends AbstractMultiPartComponent<JackType> implemen
   @SuppressWarnings("unused")
   @Deprecated
   private transient String value = "";
+  private PCBLayer boardSide;
 
   public ClosedJack1_4() {
     super();
@@ -380,4 +383,14 @@ public class ClosedJack1_4 extends AbstractMultiPartComponent<JackType> implemen
   public boolean canPointMoveFreely(int pointIndex) {
     return false;
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/electromechanical/MiniToggleSwitch.java

@@ -40,6 +40,7 @@ import org.diylc.components.AbstractTransparentComponent;
 import org.diylc.components.guitar.ToggleSwitchPositionPropertyValueSource;
 import org.diylc.components.transform.MiniToggleSwitchTransformer;
 import org.diylc.core.ComponentState;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDrawingObserver;
 import org.diylc.core.ILayeredComponent;
@@ -62,7 +63,7 @@ import org.diylc.utils.SwitchUtils;
 @ComponentDescriptor(name = "Mini Toggle Switch", category = "Electro-Mechanical", author = "Branislav Stojkovic",
     description = "Panel mounted mini toggle switch", zOrder = IDIYComponent.COMPONENT,
     instanceNamePrefix = "SW", enableCache = true, transformer = MiniToggleSwitchTransformer.class)
-public class MiniToggleSwitch extends AbstractTransparentComponent<ToggleSwitchType> implements ISwitch, ILayeredComponent, IGerberComponentSimple {
+public class MiniToggleSwitch extends AbstractTransparentComponent<ToggleSwitchType> implements ISwitch, ILayeredComponent, IGerberComponentSimple, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -96,6 +97,7 @@ public class MiniToggleSwitch extends AbstractTransparentComponent<ToggleSwitchT
   
   @Deprecated
   protected String name;
+  private PCBLayer boardSide;
 
   public MiniToggleSwitch() {
     super();
@@ -636,4 +638,14 @@ public class MiniToggleSwitch extends AbstractTransparentComponent<ToggleSwitchT
   public int getLayerId() {   
     return hashCode();
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/passive/AbstractFilmCapacitor.java

@@ -24,7 +24,9 @@ import org.diylc.appframework.miscutils.ConfigurationManager;
 
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
+import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractLeadedComponent;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.Theme;
 import org.diylc.core.annotations.EditableProperty;
 import org.diylc.core.annotations.PositiveMeasureValidator;
@@ -34,7 +36,7 @@ import org.diylc.core.measures.Size;
 import org.diylc.core.measures.SizeUnit;
 import org.diylc.utils.Constants;
 
-public abstract class AbstractFilmCapacitor extends AbstractLeadedComponent<Capacitance> implements IGerberComponentSimple {
+public abstract class AbstractFilmCapacitor extends AbstractLeadedComponent<Capacitance> implements IGerberComponentSimple, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -49,6 +51,7 @@ public abstract class AbstractFilmCapacitor extends AbstractLeadedComponent<Capa
   protected Boolean showOuterFoil = false;
   protected Color outerFoilColor = OUTER_FOIL_COLOR;
   protected String type;
+  private PCBLayer boardSide;
 
   @EditableProperty(validatorClass = PositiveMeasureValidator.class)
   public Capacitance getValue() {
@@ -145,4 +148,14 @@ public abstract class AbstractFilmCapacitor extends AbstractLeadedComponent<Capa
   public void setOuterFoilColor(Color outerFoilColor) {
     this.outerFoilColor = outerFoilColor;
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/passive/AbstractPotentiometer.java

@@ -24,14 +24,16 @@ package org.diylc.components.passive;
 import java.awt.geom.Point2D;
 
 import org.diylc.common.Orientation;
+import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractLabeledComponent;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.VisibilityPolicy;
 import org.diylc.core.annotations.EditableProperty;
 import org.diylc.core.annotations.PositiveMeasureValidator;
 import org.diylc.core.gerber.IGerberComponentSimple;
 import org.diylc.core.measures.Resistance;
 
-public abstract class AbstractPotentiometer extends AbstractLabeledComponent<Resistance> implements IGerberComponentSimple {
+public abstract class AbstractPotentiometer extends AbstractLabeledComponent<Resistance> implements IGerberComponentSimple, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -40,6 +42,7 @@ public abstract class AbstractPotentiometer extends AbstractLabeledComponent<Res
   protected Resistance resistance = null;
   protected Orientation orientation = Orientation.DEFAULT;
   protected Taper taper = Taper.LIN;
+  private PCBLayer boardSide;
 
   @Override
   public int getControlPointCount() {
@@ -110,4 +113,14 @@ public abstract class AbstractPotentiometer extends AbstractLabeledComponent<Res
 
     return null;
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/passive/AbstractRadialComponent.java

@@ -23,7 +23,9 @@ package org.diylc.components.passive;
 
 import java.awt.Rectangle;
 
+import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractLeadedComponent;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.annotations.AiNote;
 import org.diylc.core.annotations.EditableProperty;
 import org.diylc.core.gerber.IGerberComponentSimple;
@@ -39,7 +41,7 @@ import org.diylc.core.measures.SizeUnit;
  * @param <T>
  */
 @AiNote("The two control points are the holes; the body's own leads are 'Lead Spacing' apart and centred between them, with lead wire drawn out to each hole. Place the points exactly 'Lead Spacing' apart for straight leads")
-public abstract class AbstractRadialComponent<T> extends AbstractLeadedComponent<T> implements IGerberComponentSimple {
+public abstract class AbstractRadialComponent<T> extends AbstractLeadedComponent<T> implements IGerberComponentSimple, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -48,6 +50,7 @@ public abstract class AbstractRadialComponent<T> extends AbstractLeadedComponent
   protected Size pinSpacing = PIN_SPACING;
   
   protected String type;
+  private PCBLayer boardSide;
 
   @Override
   protected int calculatePinSpacing(Rectangle shapeRect) {
@@ -74,4 +77,14 @@ public abstract class AbstractRadialComponent<T> extends AbstractLeadedComponent
   public void setType(String type) {
     this.type = type;
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/passive/AxialElectrolyticCapacitor.java

@@ -29,10 +29,12 @@ import org.diylc.appframework.miscutils.ConfigurationManager;
 
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
+import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractLeadedComponent;
 import org.diylc.components.passive.CapacitorDatasheetService.CapacitorDatasheet;
 import org.diylc.components.transform.SimpleComponentTransformer;
 import org.diylc.core.CreationMethod;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDatasheetSupport;
 import org.diylc.core.Theme;
@@ -53,7 +55,7 @@ import org.diylc.utils.Constants;
     description = "Axial electrolytic capacitor, similar to Sprague Atom, F&T, etc",
     zOrder = IDIYComponent.COMPONENT, transformer = SimpleComponentTransformer.class,
     enableCache = true, enableDatasheet = true, datasheetCreationStepCount = 3)
-public class AxialElectrolyticCapacitor extends AbstractLeadedComponent<Capacitance> implements IDatasheetSupport, IGerberComponentSimple {
+public class AxialElectrolyticCapacitor extends AbstractLeadedComponent<Capacitance> implements IDatasheetSupport, IGerberComponentSimple, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -73,6 +75,7 @@ public class AxialElectrolyticCapacitor extends AbstractLeadedComponent<Capacita
   private Color tickColor = TICK_COLOR;
   private boolean polarized = true;
   private String type;
+  private PCBLayer boardSide;
 
   public AxialElectrolyticCapacitor() {
     super();
@@ -296,4 +299,14 @@ public class AxialElectrolyticCapacitor extends AbstractLeadedComponent<Capacita
 
     return new Color((int) r, (int) g, (int) b, (int) a);
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/passive/CrystalOscillator.java

@@ -28,9 +28,11 @@ import java.awt.Shape;
 import java.awt.geom.RoundRectangle2D;
 
 import org.diylc.common.ObjectCache;
+import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractLeadedComponent;
 import org.diylc.components.transform.SimpleComponentTransformer;
 import org.diylc.core.CreationMethod;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
@@ -43,7 +45,7 @@ import org.diylc.core.measures.SizeUnit;
     creationMethod = CreationMethod.POINT_BY_POINT, instanceNamePrefix = "X",
     description = "Radial crystal oscillator", zOrder = IDIYComponent.COMPONENT,
     transformer = SimpleComponentTransformer.class)
-public class CrystalOscillator extends AbstractLeadedComponent<Frequency> implements IGerberComponentSimple {
+public class CrystalOscillator extends AbstractLeadedComponent<Frequency> implements IGerberComponentSimple, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -59,6 +61,7 @@ public class CrystalOscillator extends AbstractLeadedComponent<Frequency> implem
   private Size pinSpacing = PIN_SPACING;
   
   private Frequency value;
+  private PCBLayer boardSide;
 
   public CrystalOscillator() {
     super();
@@ -133,4 +136,14 @@ public class CrystalOscillator extends AbstractLeadedComponent<Frequency> implem
   protected Size getDefaultWidth() {
     return DEFAULT_WIDTH;
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/passive/HeatSinkResistor.java

@@ -36,9 +36,11 @@ import java.awt.geom.Rectangle2D;
 import org.diylc.appframework.miscutils.ConfigurationManager;
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
+import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractLeadedComponent;
 import org.diylc.components.transform.SimpleComponentTransformer;
 import org.diylc.core.CreationMethod;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDatasheetSupport;
 import org.diylc.core.annotations.AiNote;
@@ -63,7 +65,7 @@ import org.diylc.utils.Constants;
     zOrder = IDIYComponent.COMPONENT, transformer = SimpleComponentTransformer.class, enableCache = true,
     enableDatasheet = true, datasheetCreationStepCount = 2, datasheetModelColumn = 1)
 public class HeatSinkResistor extends AbstractLeadedComponent<Resistance>
-    implements IGerberComponentSimple, IDatasheetSupport {
+    implements IGerberComponentSimple, IDatasheetSupport, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -101,6 +103,7 @@ public class HeatSinkResistor extends AbstractLeadedComponent<Resistance>
    * Top/bottom lip thickness; main body height = A − 2 × lip = D (HS25: A=28, D=14 → lip 7 mm each).
    */
   private Size lipSize = DEFAULT_LIP_SIZE;
+  private PCBLayer boardSide;
 
   public HeatSinkResistor() {
     super();
@@ -544,6 +547,16 @@ public class HeatSinkResistor extends AbstractLeadedComponent<Resistance>
     g2d.draw(a);
   }
 
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
+
   public enum MountingHoleCount {
     TWO_DIAGONAL("2 diagonal"),
     FOUR("4 holes"),

diylc/diylc-library/src/main/java/org/diylc/components/passive/Resistor.java

@@ -32,10 +32,12 @@ import java.awt.geom.Rectangle2D;
 import java.awt.geom.RoundRectangle2D;
 
 import org.diylc.common.ObjectCache;
+import org.diylc.common.PCBLayer;
 import org.diylc.common.ResistorColorCode;
 import org.diylc.components.AbstractLeadedComponent;
 import org.diylc.components.transform.SimpleComponentTransformer;
 import org.diylc.core.CreationMethod;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDatasheetSupport;
 import org.diylc.core.annotations.AiNote;
@@ -55,7 +57,7 @@ import org.diylc.core.measures.SizeUnit;
     zOrder = IDIYComponent.COMPONENT, transformer = SimpleComponentTransformer.class, enableCache = true,
     enableDatasheet = true, datasheetCreationStepCount = 2)
 public class Resistor extends AbstractLeadedComponent<Resistance>
-    implements IGerberComponentSimple, IDatasheetSupport {
+    implements IGerberComponentSimple, IDatasheetSupport, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -72,6 +74,7 @@ public class Resistor extends AbstractLeadedComponent<Resistance>
   private org.diylc.core.measures.Power powerNew = null;
   private ResistorColorCode colorCode = ResistorColorCode._5_BAND;
   private ResistorShape shape = ResistorShape.Standard;
+  private PCBLayer boardSide;
 
   public Resistor() {
     super();
@@ -263,6 +266,16 @@ public class Resistor extends AbstractLeadedComponent<Resistance>
     return super.getFlipStanding();
   }
 
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
+
   public enum ResistorShape {
     Tubular, Tubular_Beveled, Standard;
     

diylc/diylc-library/src/main/java/org/diylc/components/passive/ToroidalInductor.java

@@ -28,9 +28,11 @@ import java.awt.geom.Rectangle2D;
 import java.awt.geom.RoundRectangle2D;
 
 import org.diylc.common.ObjectCache;
+import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractLeadedComponent;
 import org.diylc.components.transform.SimpleComponentTransformer;
 import org.diylc.core.CreationMethod;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
@@ -45,7 +47,7 @@ import org.diylc.core.measures.SizeUnit;
     creationMethod = CreationMethod.POINT_BY_POINT, instanceNamePrefix = "L",
     description = "Ferrite core toroidal inductor mounted vertically", zOrder = IDIYComponent.COMPONENT,
     transformer = SimpleComponentTransformer.class)
-public class ToroidalInductor extends AbstractLeadedComponent<Inductance> implements IGerberComponentSimple {
+public class ToroidalInductor extends AbstractLeadedComponent<Inductance> implements IGerberComponentSimple, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -59,6 +61,7 @@ public class ToroidalInductor extends AbstractLeadedComponent<Inductance> implem
 
   private Inductance value = null;
   private Resistance resistance = null;
+  private PCBLayer boardSide;
 
   public ToroidalInductor() {
     super();
@@ -165,4 +168,14 @@ public class ToroidalInductor extends AbstractLeadedComponent<Inductance> implem
   public void setResistance(Resistance resistance) {
     this.resistance = resistance;
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/semiconductors/DIL_IC.java

@@ -39,11 +39,13 @@ import org.diylc.common.HorizontalAlignment;
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
 import org.diylc.common.Orientation;
+import org.diylc.common.PCBLayer;
 import org.diylc.common.VerticalAlignment;
 import org.diylc.components.AbstractLabeledComponent;
 import org.diylc.components.AbstractMakerBoard;
 import org.diylc.components.transform.DIL_ICTransformer;
 import org.diylc.core.ComponentState;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDatasheetSupport;
 import org.diylc.core.IDrawingObserver;
@@ -69,7 +71,7 @@ import org.diylc.utils.Constants;
     transformer = DIL_ICTransformer.class, enableCache = true, enableDatasheet = true,
     datasheetCreationStepCount = 2, datasheetModelColumn = 1)
 public class DIL_IC extends AbstractLabeledComponent<String>
-    implements IGerberComponentSimple, IDatasheetSupport {
+    implements IGerberComponentSimple, IDatasheetSupport, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -97,6 +99,7 @@ public class DIL_IC extends AbstractLabeledComponent<String>
   private Color indentColor = INDENT_COLOR;
   private DisplayNumbers displayNumbers = DISPLAY_NUMBERS;
   private String pinNames = null;
+  private PCBLayer boardSide;
   // new Point(0, pinSpacing.convertToPixels()),
   // new Point(0, 2 * pinSpacing.convertToPixels()),
   // new Point(0, 3 * pinSpacing.convertToPixels()),
@@ -695,6 +698,16 @@ public class DIL_IC extends AbstractLabeledComponent<String>
     return name == null ? Integer.toString(pinNumber) : name;
   }
 
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
+
   public static enum PinCount {
 
     _4, _6, _8, _10, _12, _14, _16, _18, _20, _22, _24, _26, _28, _30, _32, _34, _36, _38, _40, _42, _44, _46, _48, _50;

diylc/diylc-library/src/main/java/org/diylc/components/semiconductors/DiodeGlass.java

@@ -28,9 +28,11 @@ import java.awt.geom.Rectangle2D;
 import org.diylc.appframework.miscutils.ConfigurationManager;
 
 import org.diylc.common.IPlugInPort;
+import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractLeadedComponent;
 import org.diylc.components.transform.SimpleComponentTransformer;
 import org.diylc.core.CreationMethod;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDatasheetSupport;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.Theme;
@@ -51,7 +53,7 @@ import org.diylc.utils.Constants;
     transformer = SimpleComponentTransformer.class, enableCache = true, enableDatasheet = true,
     datasheetCreationStepCount = 2, datasheetModelColumn = 1)
 public class DiodeGlass extends AbstractLeadedComponent<String>
-    implements IGerberComponentSimple, IDatasheetSupport {
+    implements IGerberComponentSimple, IDatasheetSupport, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -67,6 +69,7 @@ public class DiodeGlass extends AbstractLeadedComponent<String>
   private String value = "";
   private Color markerColor = MARKER_COLOR;
   private Color insideColor = INSIDE_COLOR;
+  private PCBLayer boardSide;
 
   public DiodeGlass() {
     super();
@@ -204,4 +207,14 @@ public class DiodeGlass extends AbstractLeadedComponent<String>
   public void setInsideColor(Color insideColor) {
     this.insideColor = insideColor;
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/semiconductors/DiodePlastic.java

@@ -28,9 +28,11 @@ import java.awt.geom.Rectangle2D;
 import org.diylc.appframework.miscutils.ConfigurationManager;
 
 import org.diylc.common.IPlugInPort;
+import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractLeadedComponent;
 import org.diylc.components.transform.SimpleComponentTransformer;
 import org.diylc.core.CreationMethod;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDatasheetSupport;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.Theme;
@@ -51,7 +53,7 @@ import org.diylc.utils.Constants;
     transformer = SimpleComponentTransformer.class, enableCache = true, enableDatasheet = true,
     datasheetCreationStepCount = 2, datasheetModelColumn = 1)
 public class DiodePlastic extends AbstractLeadedComponent<String>
-    implements IGerberComponentSimple, IDatasheetSupport {
+    implements IGerberComponentSimple, IDatasheetSupport, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -65,6 +67,7 @@ public class DiodePlastic extends AbstractLeadedComponent<String>
 
   private String value = "";
   private Color markerColor = MARKER_COLOR;
+  private PCBLayer boardSide;
 
   public DiodePlastic() {
     super();
@@ -178,4 +181,14 @@ public class DiodePlastic extends AbstractLeadedComponent<String>
   public void setMarkerColor(Color markerColor) {
     this.markerColor = markerColor;
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/semiconductors/SIL_IC.java

@@ -40,6 +40,7 @@ import org.diylc.components.AbstractMakerBoard;
 import org.diylc.components.AbstractTransparentComponent;
 import org.diylc.components.transform.SIL_ICTransformer;
 import org.diylc.core.ComponentState;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDatasheetSupport;
 import org.diylc.core.IDrawingObserver;
@@ -65,7 +66,7 @@ import org.diylc.utils.Constants;
     enableCache = true, enableDatasheet = true, datasheetCreationStepCount = 2,
     datasheetModelColumn = 1)
 public class SIL_IC extends AbstractTransparentComponent<String>
-    implements IGerberComponentSimple, IDatasheetSupport {
+    implements IGerberComponentSimple, IDatasheetSupport, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -90,6 +91,7 @@ public class SIL_IC extends AbstractTransparentComponent<String>
   private Color indentColor = INDENT_COLOR;
   private String pinNames = null;
   private PinLabels pinLabels = null;
+  private PCBLayer boardSide;
   // new Point(0, pinSpacing.convertToPixels()),
   // new Point(0, 2 * pinSpacing.convertToPixels()),
   // new Point(0, 3 * pinSpacing.convertToPixels()),
@@ -553,6 +555,16 @@ public class SIL_IC extends AbstractTransparentComponent<String>
     return new Rectangle2D.Double(minX - margin, minY - margin, maxX - minX + 2 * margin, maxY - minY + 2 * margin);
   }
 
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
+
   public static enum PinCount {
 
     _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20;

diylc/diylc-library/src/main/java/org/diylc/components/semiconductors/TransistorTO1.java

@@ -37,9 +37,11 @@ import org.diylc.appframework.miscutils.ConfigurationManager;
 
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
+import org.diylc.common.PCBLayer;
 import org.diylc.common.Percentage;
 import org.diylc.components.transform.TO1Transformer;
 import org.diylc.core.ComponentState;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
@@ -60,7 +62,7 @@ import org.diylc.utils.Constants;
     zOrder = IDIYComponent.COMPONENT, keywordPolicy = KeywordPolicy.SHOW_VALUE, transformer = TO1Transformer.class,
     enableCache = true, enableDatasheet = true, datasheetCreationStepCount = 2,
     datasheetModelColumn = 1)
-public class TransistorTO1 extends AbstractTransistorPackage {
+public class TransistorTO1 extends AbstractTransistorPackage implements IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -77,6 +79,7 @@ public class TransistorTO1 extends AbstractTransistorPackage {
   
   private Size pinSpacing = PIN_SPACING;
   private Boolean flange = true;
+  private PCBLayer boardSide;
 
   public TransistorTO1() {
     super();
@@ -329,4 +332,14 @@ public class TransistorTO1 extends AbstractTransistorPackage {
   protected boolean flipPinoutLabel() {    
     return true;
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/semiconductors/TransistorTO220.java

@@ -37,9 +37,11 @@ import org.diylc.appframework.miscutils.ConfigurationManager;
 
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
+import org.diylc.common.PCBLayer;
 import org.diylc.common.Percentage;
 import org.diylc.components.transform.TO220Transformer;
 import org.diylc.core.ComponentState;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
@@ -60,7 +62,7 @@ import org.diylc.utils.Constants;
     zOrder = IDIYComponent.COMPONENT, keywordPolicy = KeywordPolicy.SHOW_VALUE, transformer = TO220Transformer.class,
     enableCache = true, enableDatasheet = true, datasheetCreationStepCount = 2,
     datasheetModelColumn = 1)
-public class TransistorTO220 extends AbstractTransistorPackage {
+public class TransistorTO220 extends AbstractTransistorPackage implements IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -83,6 +85,7 @@ public class TransistorTO220 extends AbstractTransistorPackage {
   private Color tabColor = TAB_COLOR;
   private Color tabBorderColor = TAB_BORDER_COLOR;
   private Size leadLength = LEAD_LENGTH;
+  private PCBLayer boardSide;
 
   public TransistorTO220() {
     super();
@@ -437,4 +440,14 @@ public class TransistorTO220 extends AbstractTransistorPackage {
   protected boolean flipPinoutLabel() {    
     return true;
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/semiconductors/TransistorTO92.java

@@ -36,9 +36,11 @@ import org.diylc.appframework.miscutils.ConfigurationManager;
 
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
+import org.diylc.common.PCBLayer;
 import org.diylc.common.Percentage;
 import org.diylc.components.transform.TO92Transformer;
 import org.diylc.core.ComponentState;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
@@ -60,7 +62,7 @@ import org.diylc.utils.Constants;
     zOrder = IDIYComponent.COMPONENT, keywordPolicy = KeywordPolicy.SHOW_VALUE, transformer = TO92Transformer.class,
     enableCache = true, enableDatasheet = true, datasheetCreationStepCount = 2,
     datasheetModelColumn = 1)
-public class TransistorTO92 extends AbstractTransistorPackage {
+public class TransistorTO92 extends AbstractTransistorPackage implements IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -72,6 +74,7 @@ public class TransistorTO92 extends AbstractTransistorPackage {
   public static Size BODY_DIAMETER = new Size(0.2d, SizeUnit.in);
 
   private Size pinSpacing = PIN_SPACING;  
+  private PCBLayer boardSide;
 
   public TransistorTO92() {
     super();
@@ -285,4 +288,14 @@ public class TransistorTO92 extends AbstractTransistorPackage {
       g2d.fillOval(width / 2 - pinSize / 2, (height / 4) * (i + 1), pinSize, pinSize);
     }
   }
+
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/smd/PassiveSMDComponent.java

@@ -37,8 +37,10 @@ import org.diylc.common.Display;
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
 import org.diylc.common.Orientation;
+import org.diylc.common.PCBLayer;
 import org.diylc.components.AbstractLabeledComponent;
 import org.diylc.core.ComponentState;
+import org.diylc.core.IBoardSideComponent;
 import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.Theme;
@@ -49,7 +51,7 @@ import org.diylc.core.measures.Size;
 import org.diylc.core.measures.SizeUnit;
 import org.diylc.utils.Constants;
 
-public abstract class PassiveSMDComponent<T> extends AbstractLabeledComponent<T> implements IGerberComponentSimple {
+public abstract class PassiveSMDComponent<T> extends AbstractLabeledComponent<T> implements IGerberComponentSimple, IBoardSideComponent {
 
   private static final long serialVersionUID = 1L;
 
@@ -68,6 +70,7 @@ public abstract class PassiveSMDComponent<T> extends AbstractLabeledComponent<T>
   protected Color bodyColor;
   protected Color borderColor;
   private Color labelColor = LABEL_COLOR;
+  private PCBLayer boardSide;
   transient private Area[] body;
 
   public PassiveSMDComponent() {
@@ -413,6 +416,16 @@ public abstract class PassiveSMDComponent<T> extends AbstractLabeledComponent<T>
     return false;
   }
 
+  @EditableProperty(name = "Board Side")
+  @Override
+  public PCBLayer getBoardSide() {
+    return boardSide == null ? PCBLayer._2 : boardSide;
+  }
+
+  public void setBoardSide(PCBLayer boardSide) {
+    this.boardSide = boardSide;
+  }
+
   public static enum SMDSize {
 
     _0805(new Size(0.05d, SizeUnit.in), new Size(0.08d, SizeUnit.in)), _1206(new Size(1.6d, SizeUnit.mm), new Size(3.2d,

diylc/diylc-library/src/test/java/org/diylc/components/BoardSideComponentsTest.java

@@ -0,0 +1,80 @@
+/*
+
+    DIY Layout Creator (DIYLC).
+    Copyright (c) 2009-2025 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.components;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.diylc.common.ComponentType;
+import org.diylc.common.PCBLayer;
+import org.diylc.core.IBoardSideComponent;
+import org.diylc.core.IDIYComponent;
+import org.diylc.presenter.ComponentProcessor;
+import org.diylc.utils.ReflectionUtils;
+import org.junit.Test;
+
+public class BoardSideComponentsTest {
+
+  @Test
+  public void testBoardSideComponentsStartOnTop() throws Exception {
+    for (IDIYComponent<?> component : createBoardSideComponents()) {
+      assertEquals(component.getClass().getName(), PCBLayer._2,
+          ((IBoardSideComponent) component).getBoardSide());
+    }
+  }
+
+  @Test
+  public void testBoardSideCanBeChanged() throws Exception {
+    for (IDIYComponent<?> component : createBoardSideComponents()) {
+      component.getClass().getMethod("setBoardSide", PCBLayer.class).invoke(component, PCBLayer._1);
+      assertEquals(component.getClass().getName(), PCBLayer._1,
+          ((IBoardSideComponent) component).getBoardSide());
+    }
+  }
+
+  // a part moved to the bottom is seen mirrored from the top, so it must be possible to mirror it
+  @Test
+  public void testBoardSideComponentsCanBeMirrored() throws Exception {
+    for (IDIYComponent<?> component : createBoardSideComponents()) {
+      @SuppressWarnings("unchecked")
+      ComponentType type = ComponentProcessor.getInstance().extractComponentTypeFrom(
+          (Class<? extends IDIYComponent<?>>) component.getClass());
+      assertTrue(component.getClass().getName(), type.getTransformer().canMirror(component));
+    }
+  }
+
+  private static List<IDIYComponent<?>> createBoardSideComponents() throws Exception {
+    List<IDIYComponent<?>> components = new ArrayList<IDIYComponent<?>>();
+    for (Class<?> type : ReflectionUtils.getIndexedClasses(IDIYComponent.class)) {
+      if (IBoardSideComponent.class.isAssignableFrom(type)
+          && !Modifier.isAbstract(type.getModifiers())) {
+        components.add((IDIYComponent<?>) type.getDeclaredConstructor().newInstance());
+      }
+    }
+    assertTrue(components.size() > 0);
+    return components;
+  }
+}