From 033f94f33178ede859dfaf7cf6b895535f534167 Mon Sep 17 00:00:00 2001
From: Bane Stojkovic <bancika@gmail.com>
Date: Fri, 4 Sep 2026 13:13:03 +0200
Subject: [PATCH] Capacitor components now label their terminal nodes as '+'
 and '-' instead of '1' and '2' when 'Polarized' property is ticked

---
 diylc/diylc-core/src/main/resources/update.xml   |  4 ++++
 .../passive/AxialElectrolyticCapacitor.java      | 13 +++++++++++++
 .../components/passive/CapacitorSymbol.java      | 13 +++++++++++++
 .../components/passive/RadialElectrolytic.java   | 16 +++++++++++++++-
 4 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/diylc/diylc-core/src/main/resources/update.xml b/diylc/diylc-core/src/main/resources/update.xml
index 6e20618c..53543e93 100644
--- a/diylc/diylc-core/src/main/resources/update.xml
+++ b/diylc/diylc-core/src/main/resources/update.xml
@@ -397,6 +397,10 @@
 					<changeType>IMPROVEMENT</changeType>
 					<description>Diode components now label their terminal nodes as 'A' (anode) and 'K' (cathode) instead of '1' and '2'</description>
 				</org.diylc.appframework.update.Change>
+				<org.diylc.appframework.update.Change>
+					<changeType>IMPROVEMENT</changeType>
+					<description>Capacitor components now label their terminal nodes as '+' and '-' instead of '1' and '2' when 'Polarized' property is ticked</description>
+				</org.diylc.appframework.update.Change>
 				<org.diylc.appframework.update.Change>
 					<changeType>IMPROVEMENT</changeType>
 					<description>Percentage values such as transparency Alpha, image Scale, etc, can have decimal values and not just integers</description>
diff --git a/diylc/diylc-library/src/main/java/org/diylc/components/passive/AxialElectrolyticCapacitor.java b/diylc/diylc-library/src/main/java/org/diylc/components/passive/AxialElectrolyticCapacitor.java
index 2c62d5c1..dddf6a5d 100644
--- a/diylc/diylc-library/src/main/java/org/diylc/components/passive/AxialElectrolyticCapacitor.java
+++ b/diylc/diylc-library/src/main/java/org/diylc/components/passive/AxialElectrolyticCapacitor.java
@@ -203,6 +203,19 @@ public class AxialElectrolyticCapacitor extends AbstractLeadedComponent<Capacita
     this.polarized = polarized;
   }
 
+  @Override
+  public String getControlPointNodeName(int index) {
+    if (getPolarized()) {
+      switch (index) {
+        case 0:
+          return "+";
+        case 1:
+          return "-";
+      }
+    }
+    return super.getControlPointNodeName(index);
+  }
+
   @Override
   protected Shape getBodyShape() {
     double lengthFinal = getLength().convertToPixels();
diff --git a/diylc/diylc-library/src/main/java/org/diylc/components/passive/CapacitorSymbol.java b/diylc/diylc-library/src/main/java/org/diylc/components/passive/CapacitorSymbol.java
index d763a4ee..d684a91a 100644
--- a/diylc/diylc-library/src/main/java/org/diylc/components/passive/CapacitorSymbol.java
+++ b/diylc/diylc-library/src/main/java/org/diylc/components/passive/CapacitorSymbol.java
@@ -96,6 +96,19 @@ public class CapacitorSymbol extends AbstractSchematicLeadedSymbol<Capacitance>
     this.polarized = polarized;
   }
 
+  @Override
+  public String getControlPointNodeName(int index) {
+    if (getPolarized()) {
+      switch (index) {
+        case 0:
+          return "+";
+        case 1:
+          return "-";
+      }
+    }
+    return super.getControlPointNodeName(index);
+  }
+
   public void drawIcon(Graphics2D g2d, int width, int height) {
     g2d.rotate(-Math.PI / 4, width / 2, height / 2);
     g2d.setColor(LEAD_COLOR);
diff --git a/diylc/diylc-library/src/main/java/org/diylc/components/passive/RadialElectrolytic.java b/diylc/diylc-library/src/main/java/org/diylc/components/passive/RadialElectrolytic.java
index 4a4f8ab8..bd61068f 100644
--- a/diylc/diylc-library/src/main/java/org/diylc/components/passive/RadialElectrolytic.java
+++ b/diylc/diylc-library/src/main/java/org/diylc/components/passive/RadialElectrolytic.java
@@ -72,6 +72,7 @@ public class RadialElectrolytic extends AbstractRadialComponent<Capacitance> imp
   private boolean polarized = true;
   private boolean folded = false;
   private Size height = HEIGHT;
+  @Deprecated
   private boolean invert = false;
 
   public RadialElectrolytic() {
@@ -304,7 +305,7 @@ public class RadialElectrolytic extends AbstractRadialComponent<Capacitance> imp
     this.height = height;
   }
 
-  @EditableProperty(name = "Invert Polarity")
+//  @EditableProperty(name = "Invert Polarity")
   public boolean getInvert() {
     return invert;
   }
@@ -313,6 +314,19 @@ public class RadialElectrolytic extends AbstractRadialComponent<Capacitance> imp
     this.invert = invert;
   }
 
+  @Override
+  public String getControlPointNodeName(int index) {
+    if (getPolarized()) {
+      switch (index) {
+        case 0:
+          return getInvert() ? "-" : "+";
+        case 1:
+          return getInvert() ? "+" : "-";
+      }
+    }
+    return super.getControlPointNodeName(index);
+  }
+
   @Override
   protected Shape getBodyShape() {
     double height = (int) getHeight().convertToPixels();