From 782ca31f15c2cbc6264a88b4cddf390c094d1f3e Mon Sep 17 00:00:00 2001
From: Recrown <yunyangdeng@gmail.com>
Date: Sat, 9 Mar 2019 00:55:44 -0600
Subject: [PATCH] Implement module var name refactor and added way to keep
 insertion order.

---
 RecrownedAthenaeum/UI/BookSystem/Book.cs | 53 ++++++++++++++++++++++--
 RecrownedAthenaeum/UI/BookSystem/Page.cs |  8 ++--
 2 files changed, 53 insertions(+), 8 deletions(-)

diff --git a/RecrownedAthenaeum/UI/BookSystem/Book.cs b/RecrownedAthenaeum/UI/BookSystem/Book.cs
index 9b7e38a..ef41f96 100644
--- a/RecrownedAthenaeum/UI/BookSystem/Book.cs
+++ b/RecrownedAthenaeum/UI/BookSystem/Book.cs
@@ -1,7 +1,9 @@
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
+using Microsoft.Xna.Framework.Input;
 using RecrownedAthenaeum.Camera;
 using RecrownedAthenaeum.ContentSystem;
+using RecrownedAthenaeum.Input;
 using RecrownedAthenaeum.UI.SkinSystem;
 using System.Collections.Generic;
 using System.Linq;
@@ -11,7 +13,7 @@ namespace RecrownedAthenaeum.UI.BookSystem
     /// <summary>
     /// Contains the pages.
     /// </summary>
-    public class Book
+    public class Book : IInputListener
     {
         readonly ContentManagerController assets;
         readonly ISkin skin;
@@ -19,6 +21,7 @@ namespace RecrownedAthenaeum.UI.BookSystem
         Page targetPage;
         Rectangle dimensions;
         Dictionary<string, Page> pages = new Dictionary<string, Page>();
+        List<Page> orderedPages = new List<Page>();
 
         /// <summary>
         /// Creates a book.
@@ -52,7 +55,7 @@ namespace RecrownedAthenaeum.UI.BookSystem
         {
             for (int pageIndex = 0; pageIndex < pages.Count; pageIndex++)
             {
-                Page page = pages.ElementAt(pageIndex).Value;
+                Page page = orderedPages[pageIndex];
                 page.Draw(batch);
             }
         }
@@ -66,7 +69,7 @@ namespace RecrownedAthenaeum.UI.BookSystem
             if (targetPage != null)
             {
                 Vector2 position;
-                Rectangle targetBounds = targetPage.bounds;
+                Rectangle targetBounds = targetPage.situation;
                 position.X = targetBounds.X + (targetBounds.Width * 0.5f);
                 position.Y = targetBounds.Y + (targetBounds.Height * 0.5f);
                 camera.LinearInterpolationToPosition(0.4f, position, (float)gameTime.ElapsedGameTime.TotalSeconds);
@@ -94,6 +97,7 @@ namespace RecrownedAthenaeum.UI.BookSystem
             {
                 page.camera = camera;
                 page.Initialize(assets, skin);
+                orderedPages.Add(page);
                 this.pages.Add(page.Name, page);
             }
         }
@@ -113,9 +117,20 @@ namespace RecrownedAthenaeum.UI.BookSystem
         /// <param name="name">Name of page to remove.</param>
         public void RemovePage(string name)
         {
+            orderedPages.Remove(pages[name]);
             pages.Remove(name);
         }
 
+
+        /// <summary>
+        /// Removes all pages.
+        /// </summary>
+        public void ClearPages()
+        {
+            orderedPages.Clear();
+            pages.Clear();
+        }
+
         /// <summary>
         /// Perform a step of linear interpolation to the given page.
         /// </summary>
@@ -131,9 +146,39 @@ namespace RecrownedAthenaeum.UI.BookSystem
         /// <param name="page">Page to go to.</param>
         public void GoToPage(Page page)
         {
-            Rectangle targetBounds = page.bounds;
+            Rectangle targetBounds = page.situation;
             camera.position.X = targetBounds.X + (targetBounds.Width * 0.5f);
             camera.position.Y = targetBounds.Y + (targetBounds.Height * 0.5f);
         }
+
+        /// <summary>
+        /// Passes the new keyboard state down to each page in order of when it was added.
+        /// </summary>
+        /// <param name="state"></param>
+        /// <returns>True if the state change should to trigger further input listeners.</returns>
+        public bool KeyboardStateChanged(KeyboardState state)
+        {
+            for (int pageIndex = 0; pageIndex < pages.Count; pageIndex++)
+            {
+                Page page = orderedPages[pageIndex];
+                if (!page.KeyboardStateChanged(state)) return false;
+            }
+            return true;
+        }
+
+        /// <summary>
+        /// Passes the new mouse state down to each page in order of when it was added.
+        /// </summary>
+        /// <param name="state"></param>
+        /// <returns>True if the state change should to trigger further input listeners.</returns>
+        public bool MouseStateChanged(MouseState state)
+        {
+            for (int pageIndex = 0; pageIndex < pages.Count; pageIndex++)
+            {
+                Page page = orderedPages[pageIndex];
+                if (!page.MouseStateChanged(state)) return false;
+            }
+            return true;
+        }
     }
 }
diff --git a/RecrownedAthenaeum/UI/BookSystem/Page.cs b/RecrownedAthenaeum/UI/BookSystem/Page.cs
index 29e78fb..710b616 100644
--- a/RecrownedAthenaeum/UI/BookSystem/Page.cs
+++ b/RecrownedAthenaeum/UI/BookSystem/Page.cs
@@ -35,10 +35,10 @@ namespace RecrownedAthenaeum.UI.BookSystem
         /// <param name="height">New Height</param>
         public virtual void ApplySize(int width, int height)
         {
-            bounds.X = pageX * width;
-            bounds.Y = pageY * height;
-            bounds.Width = width;
-            bounds.Height = height;
+            situation.X = pageX * width;
+            situation.Y = pageY * height;
+            situation.Width = width;
+            situation.Height = height;
             requiresSizeUpdate = false;
         }