Ability to flip polarity of IC symbol

diylc/diylc-library/src/org/diylc/components/semiconductors/ICSymbol.java

@@ -71,6 +71,7 @@ public class ICSymbol extends AbstractTransparentComponent<String> {
   protected Color borderColor = BORDER_COLOR;
   protected Display display = Display.NAME;
   transient private Shape[] body;
+  private Boolean flip;
 
   public ICSymbol() {
     super();
@@ -136,9 +137,9 @@ public class ICSymbol extends AbstractTransparentComponent<String> {
     drawCenteredText(g2d, label, x, controlPoints[0].y + pinSpacing, HorizontalAlignment.CENTER,
         VerticalAlignment.CENTER);
     // Draw +/- markers    
-    drawCenteredText(g2d, "-", controlPoints[0].x + pinSpacing, controlPoints[0].y, HorizontalAlignment.CENTER,
+    drawCenteredText(g2d, getFlip() ? "+" : "-", controlPoints[0].x + pinSpacing, controlPoints[0].y, HorizontalAlignment.CENTER,
         VerticalAlignment.CENTER);
-    drawCenteredText(g2d, "+", controlPoints[1].x + pinSpacing, controlPoints[1].y, HorizontalAlignment.CENTER,
+    drawCenteredText(g2d, getFlip() ? "-" : "+", controlPoints[1].x + pinSpacing, controlPoints[1].y, HorizontalAlignment.CENTER,
         VerticalAlignment.CENTER);
   }
 
@@ -276,6 +277,17 @@ public class ICSymbol extends AbstractTransparentComponent<String> {
     this.borderColor = borderColor;
   }
   
+  @EditableProperty
+  public Boolean getFlip() {
+    if (flip == null)
+      flip = false;
+    return flip;
+  }
+  
+  public void setFlip(Boolean flip) {
+    this.flip = flip;
+  }
+
   @EditableProperty
   public Display getDisplay() {
     return display;

diylc/diylc-swing/update.xml

@@ -2226,6 +2226,10 @@
 					<changeType>NEW_FEATURE</changeType>
 					<description>Added optional arrow to the "Line" component together with configurable thickness</description>
 				</org.diylc.appframework.update.Change>
+				<org.diylc.appframework.update.Change>
+					<changeType>NEW_FEATURE</changeType>
+					<description>Ability to flip polarity of IC symbol</description>
+				</org.diylc.appframework.update.Change>	
 				<org.diylc.appframework.update.Change>
 					<changeType>IMPROVEMENT</changeType>
 					<description>Use hardware acceleration for rendering to improve performance</description>