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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Mon, 23 Nov 2020 12:58:16 -0800
Subject: [PATCH] Added PlayerLecternPageChangeEvent
diff --git a/src/main/java/io/papermc/paper/event/player/PlayerLecternPageChangeEvent.java b/src/main/java/io/papermc/paper/event/player/PlayerLecternPageChangeEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..6ed2a6c8c033937d933b6d4834953b8112a98bb3
--- /dev/null
+++ b/src/main/java/io/papermc/paper/event/player/PlayerLecternPageChangeEvent.java
@@ -0,0 +1,117 @@
+package io.papermc.paper.event.player;
+
+import org.bukkit.block.Lectern;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+
+public class PlayerLecternPageChangeEvent extends PlayerEvent implements Cancellable {
+
+ private static final HandlerList HANDLER_LIST = new HandlerList();
+
+ private final Lectern lectern;
+ private final ItemStack book;
+ private final PageChangeDirection pageChangeDirection;
+ private final int oldPage;
+ private int newPage;
+
+ private boolean cancelled;
+
+ @ApiStatus.Internal
+ public PlayerLecternPageChangeEvent(@NotNull Player player, @NotNull Lectern lectern, @NotNull ItemStack book, @NotNull PageChangeDirection pageChangeDirection, int oldPage, int newPage) {
+ super(player);
+ this.lectern = lectern;
+ this.book = book;
+ this.pageChangeDirection = pageChangeDirection;
+ this.oldPage = oldPage;
+ this.newPage = newPage;
+ }
+
+ /**
+ * Gets the lectern involved.
+ *
+ * @return the Lectern
+ */
+ @NotNull
+ public Lectern getLectern() {
+ return this.lectern;
+ }
+
+ /**
+ * Gets the current ItemStack on the lectern.
+ *
+ * @return the ItemStack on the Lectern
+ */
+ @NotNull
+ public ItemStack getBook() {
+ return this.book;
+ }
+
+ /**
+ * Gets the page change direction. This is essentially returns which button the player clicked, left or right.
+ *
+ * @return the page change direction
+ */
+ @NotNull
+ public PageChangeDirection getPageChangeDirection() {
+ return this.pageChangeDirection;
+ }
+
+ /**
+ * Gets the page changed from. <i>Pages are 0-indexed.</i>
+ *
+ * @return the page changed from
+ */
+ public int getOldPage() {
+ return this.oldPage;
+ }
+
+ /**
+ * Gets the page changed to. <i>Pages are 0-indexed.</i>
+ *
+ * @return the page changed to
+ */
+ public int getNewPage() {
+ return this.newPage;
+ }
+
+ /**
+ * Sets the page changed to. <i>Pages are 0-indexed.</i>
+ * Page indices that are greater than the number of pages will show the last page.
+ *
+ * @param newPage the new paged changed to
+ */
+ public void setNewPage(int newPage) {
+ this.newPage = newPage;
+ }
+
+ @Override
+ public boolean isCancelled() {
+ return this.cancelled;
+ }
+
+ @Override
+ public void setCancelled(boolean cancel) {
+ this.cancelled = cancel;
+ }
+
+ @NotNull
+ @Override
+ public HandlerList getHandlers() {
+ return HANDLER_LIST;
+ }
+
+ @NotNull
+ public static HandlerList getHandlerList() {
+ return HANDLER_LIST;
+ }
+
+ public enum PageChangeDirection {
+ LEFT,
+ RIGHT,
+ }
+}
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