From f7d1a76f223b850067dea13d46691dca97e3fd7e Mon Sep 17 00:00:00 2001
From: Lance Ewing <lance.ewing@gmail.com>
Date: Wed, 3 Apr 2024 18:21:08 +0100
Subject: [PATCH] Implemented dynamic rendering of pagination arrows based on
 current page number.

---
 .../main/java/com/agifans/agile/HomeScreen.java  |  9 +++++++++
 .../com/agifans/agile/ui/PagedScrollPane.java    |  9 +++++++++
 .../com/agifans/agile/ui/PaginationWidget.java   | 16 ++++++++++++++--
 3 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/core/src/main/java/com/agifans/agile/HomeScreen.java b/core/src/main/java/com/agifans/agile/HomeScreen.java
index cb3a99a..fd6f607 100644
--- a/core/src/main/java/com/agifans/agile/HomeScreen.java
+++ b/core/src/main/java/com/agifans/agile/HomeScreen.java
@@ -937,6 +937,15 @@ private void showGamePage(int gameIndex, boolean skipScroll) {
         }
     }
     
+    public PagedScrollPane getPagedScrollPane() {
+        Stage currentStage = viewportManager.isPortrait()? portraitStage : landscapeStage;
+        if (currentStage.getActors().notEmpty()) {
+            return (PagedScrollPane)((Table)currentStage.getActors().get(0)).getChild(0);
+        } else {
+            return null;
+        }
+    }
+    
     /**
      * An AnimatedPieMenu (i.e. radial menu) for interacting with games on the home screen.
      */
diff --git a/core/src/main/java/com/agifans/agile/ui/PagedScrollPane.java b/core/src/main/java/com/agifans/agile/ui/PagedScrollPane.java
index 1a10a69..f296667 100644
--- a/core/src/main/java/com/agifans/agile/ui/PagedScrollPane.java
+++ b/core/src/main/java/com/agifans/agile/ui/PagedScrollPane.java
@@ -107,6 +107,15 @@ public void reset() {
     public int getNumOfPages() {
         return content.getChildren().size;
     }
+    
+    public int getCurrentPageNumber() {
+        int pageNumber = 0;
+        if (content.getChildren().notEmpty()) {
+            int pageWidth = (int)content.getChild(0).getWidth();
+            pageNumber = Math.round(getScrollX() / pageWidth);
+        }
+        return pageNumber;
+    }
 
     private void scrollToPage() {
         final float width = getWidth();
diff --git a/core/src/main/java/com/agifans/agile/ui/PaginationWidget.java b/core/src/main/java/com/agifans/agile/ui/PaginationWidget.java
index 3fa0158..0714634 100644
--- a/core/src/main/java/com/agifans/agile/ui/PaginationWidget.java
+++ b/core/src/main/java/com/agifans/agile/ui/PaginationWidget.java
@@ -60,8 +60,20 @@ public void draw(Batch batch, float parentAlpha) {
         
         pixmap.setColor(1.0f, 1.0f, 1.0f, 0.10f);
         pixmap.fill();
-        pixmap.drawPixmap(prevIconPixmap, 0, 5);
-        pixmap.drawPixmap(nextIconPixmap, width - ICON_SIZE, 5);
+        
+        PagedScrollPane pagedScrollPane = homeScreen.getPagedScrollPane();
+        if (pagedScrollPane != null) {
+            int numOfPages = pagedScrollPane.getNumOfPages();
+            if (numOfPages > 0) {
+                int currentPage = pagedScrollPane.getCurrentPageNumber();
+                if (currentPage > 0) {
+                    pixmap.drawPixmap(prevIconPixmap, 0, 5);
+                }
+                if (currentPage < (numOfPages - 1)) {
+                    pixmap.drawPixmap(nextIconPixmap, width - ICON_SIZE, 5);
+                }
+            }
+        }
         
         texture.draw(pixmap, 0, 0);