Renamed setEnabled() method in GuiElementInterface to setElementEnabled() to workaround this Forge Bug: http://www.minecraftforge.net/forum/index.php/topic,32063

src/main/java/eu/crushedpixel/replaymod/gui/elements/ComposedElement.java

@@ -85,9 +85,9 @@ public class ComposedElement implements GuiElement {
     }
 
     @Override
-    public void setEnabled(boolean enabled) {
+    public void setElementEnabled(boolean enabled) {
         for(GuiElement part : parts) {
-            part.setEnabled(enabled);
+            part.setElementEnabled(enabled);
         }
     }
 

src/main/java/eu/crushedpixel/replaymod/gui/elements/DelegatingElement.java

@@ -58,7 +58,7 @@ public abstract class DelegatingElement implements GuiElement {
     }
 
     @Override
-    public void setEnabled(boolean enabled) {
+    public void setElementEnabled(boolean enabled) {
         this.enabled = enabled;
     }
 }

src/main/java/eu/crushedpixel/replaymod/gui/elements/GuiAdvancedButton.java

@@ -81,7 +81,7 @@ public class GuiAdvancedButton extends GuiButton implements GuiElement {
     }
 
     @Override
-    public void setEnabled(boolean enabled) {
+    public void setElementEnabled(boolean enabled) {
         this.enabled = enabled;
     }
 

src/main/java/eu/crushedpixel/replaymod/gui/elements/GuiAdvancedCheckBox.java

@@ -52,7 +52,7 @@ public class GuiAdvancedCheckBox extends GuiCheckBox implements GuiElement {
     }
 
     @Override
-    public void setEnabled(boolean enabled) {
+    public void setElementEnabled(boolean enabled) {
         this.enabled = enabled;
     }
 }

src/main/java/eu/crushedpixel/replaymod/gui/elements/GuiAdvancedTextField.java

@@ -19,7 +19,7 @@ public class GuiAdvancedTextField extends GuiTextField implements GuiElement {
     }
 
     @Override
-    public void setEnabled(boolean isEnabled) {
+    public void setElementEnabled(boolean isEnabled) {
         this.isEnabled = isEnabled;
         if(!isEnabled) setFocused(false);
         super.setEnabled(isEnabled);

src/main/java/eu/crushedpixel/replaymod/gui/elements/GuiElement.java

@@ -17,6 +17,6 @@ public interface GuiElement {
 
     void tick(Minecraft mc);
 
-    void setEnabled(boolean enabled);
+    void setElementEnabled(boolean enabled);
 
 }

src/main/java/eu/crushedpixel/replaymod/gui/elements/GuiScrollbar.java

@@ -178,7 +178,7 @@ public class GuiScrollbar extends Gui implements GuiElement {
     }
 
     @Override
-    public void setEnabled(boolean enabled) {
+    public void setElementEnabled(boolean enabled) {
         this.enabled = enabled;
     }
 }

src/main/java/eu/crushedpixel/replaymod/gui/elements/GuiString.java

@@ -75,7 +75,7 @@ public class GuiString extends Gui implements GuiElement {
     }
 
     @Override
-    public void setEnabled(boolean enabled) {
+    public void setElementEnabled(boolean enabled) {
         this.enabled = enabled;
     }
 }

src/main/java/eu/crushedpixel/replaymod/gui/elements/GuiTextArea.java

@@ -626,7 +626,7 @@ public class GuiTextArea extends Gui implements GuiElement {
     }
 
     @Override
-    public void setEnabled(boolean enabled) {
+    public void setElementEnabled(boolean enabled) {
         this.enabled = enabled;
     }
 

src/main/java/eu/crushedpixel/replaymod/gui/elements/timelines/GuiTimeline.java

@@ -288,7 +288,7 @@ public class GuiTimeline extends Gui implements GuiElement {
     }
 
     @Override
-    public void setEnabled(boolean enabled) {
+    public void setElementEnabled(boolean enabled) {
         this.enabled = enabled;
     }
 }