Created GuiEntryListEntry interface for GuiEntryList contained classes to avoid toString() methods from having to be abused

Created GuiFileChooser and according Listeners
Added (non-functional) GuiAssetAdder for CustomImageObjects

src/main/java/eu/crushedpixel/replaymod/holders/CustomImageObject.java

@@ -2,6 +2,7 @@ package eu.crushedpixel.replaymod.holders;
 
 import eu.crushedpixel.replaymod.registry.ResourceHelper;
 import lombok.Getter;
+import lombok.Setter;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.texture.DynamicTexture;
 import net.minecraft.util.ResourceLocation;
@@ -11,9 +12,9 @@ import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;
 
-public class CustomImageObject {
+public class CustomImageObject implements GuiEntryListEntry {
 
-    public CustomImageObject(Position position, String name, File imageSource) throws IOException {
+    public CustomImageObject(Position position, String name, File imageSource, boolean backVisible) throws IOException {
         BufferedImage bufferedImage = ImageIO.read(imageSource);
 
         this.textureWidth = bufferedImage.getWidth();
@@ -35,10 +36,13 @@ public class CustomImageObject {
 
         this.resourceLocation = new ResourceLocation("customImages/"+imageSource.getAbsolutePath());
         this.dynamicTexture = new DynamicTexture(bufferedImage);
+
+        this.backVisible = backVisible;
     }
 
-    @Getter private ExtendedPosition position;
-    @Getter private String name;
+    @Getter @Setter private ExtendedPosition position;
+    @Getter @Setter private String name;
+    @Getter @Setter private boolean backVisible;
 
     private ResourceLocation resourceLocation;
     private DynamicTexture dynamicTexture;
@@ -54,4 +58,9 @@ public class CustomImageObject {
 
         return resourceLocation;
     }
+
+    @Override
+    public String getDisplayString() {
+        return name;
+    }
 }

src/main/java/eu/crushedpixel/replaymod/holders/GuiEntryListEntry.java

@@ -0,0 +1,8 @@
+package eu.crushedpixel.replaymod.holders;
+
+
+public interface GuiEntryListEntry {
+
+    public String getDisplayString();
+
+}

src/main/java/eu/crushedpixel/replaymod/holders/GuiEntryListStringEntry.java

@@ -0,0 +1,19 @@
+package eu.crushedpixel.replaymod.holders;
+
+import lombok.AllArgsConstructor;
+
+@AllArgsConstructor
+public class GuiEntryListStringEntry implements GuiEntryListEntry {
+
+    private String displayName;
+
+    @Override
+    public String getDisplayString() {
+        return displayName;
+    }
+
+    @Override
+    public String toString() {
+        return displayName;
+    }
+}

src/main/java/eu/crushedpixel/replaymod/holders/KeyframeSet.java

@@ -6,7 +6,7 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
-public class KeyframeSet {
+public class KeyframeSet implements GuiEntryListEntry {
     private String name;
     private PositionKeyframe[] positionKeyframes;
     private TimeKeyframe[] timeKeyframes;
@@ -70,7 +70,7 @@ public class KeyframeSet {
     }
 
     @Override
-    public String toString() {
+    public String getDisplayString() {
         return name;
     }