Synchronized menu interaction with all viewers

Author: timtomtim7

src/main/java/me/tom/sparse/spigot/chat/menu/ChatMenu.java

@@ -78,6 +78,14 @@ public void unregister()
 		registered = false;
 	}
 
+	/**
+	 * @param autoUnregister true if this menu should automatically be unregistered after all players close it.
+	 */
+	public void setAutoUnregister(boolean autoUnregister)
+	{
+		this.autoUnregister = autoUnregister;
+	}
+	
 	/**
 	 * Adds the provided element to this menu.
 	 *
@@ -140,7 +148,7 @@ public void edit(@Nonnull Player player, int elementIndex, @Nonnull String[] arg
 		Element element = elements.get(elementIndex);
 		element.edit(this, args);
 		if(element.onClick(this, player))
-			openFor(player);
+			refresh();
 	}
 
 	/**
@@ -157,6 +165,16 @@ public void openFor(@Nonnull Player player)
 			chat.sendMessage(line);
 		ChatMenuAPI.setCurrentMenu(player, this);
 	}
+	
+	/**
+	 * Sends this menu again to all of the players currently viewing it
+	 */
+	public void refresh()
+	{
+		viewers.removeIf(it -> !it.isOnline());
+		for(Player viewer : viewers)
+			openFor(viewer);
+	}
 
 	@Nonnull
 	public List<BaseComponent[]> build()

src/main/java/me/tom/sparse/spigot/chat/menu/IElementContainer.java

@@ -42,4 +42,9 @@ public interface IElementContainer
 	 * @param player the player to open this container for
 	 */
 	void openFor(Player player);
+	
+	/**
+	 * Displays this container again to all of the players currently viewing it
+	 */
+	void refresh();
 }

src/main/java/me/tom/sparse/spigot/chat/menu/element/GroupElement.java

@@ -136,4 +136,9 @@ public void openFor(@Nonnull Player player)
 	{
 		parent.openFor(player);
 	}
+	
+	public void refresh()
+	{
+		parent.refresh();
+	}
 }

src/main/java/me/tom/sparse/spigot/chat/menu/element/ImageElement.java

@@ -17,10 +17,7 @@
 @Deprecated
 public class ImageElement extends Element
 {
-	public static final List<ChatColor> COLORS = Collections.unmodifiableList(
-			Arrays.stream(ChatColor.values())
-					.filter(c -> c != ChatColor.BOLD && c != ChatColor.MAGIC && c != ChatColor.UNDERLINE && c != ChatColor.ITALIC && c != ChatColor.STRIKETHROUGH && c != ChatColor.RESET).collect(Collectors.toList())
-	);
+	public static final List<ChatColor> COLORS = Collections.unmodifiableList(Arrays.stream(org.bukkit.ChatColor.values()).filter(org.bukkit.ChatColor::isColor).map(org.bukkit.ChatColor::asBungee).collect(Collectors.toList()));
 
 	protected int[] colors = new int[20 * 20];
 	protected PixelClickCallback callback;

src/main/java/me/tom/sparse/spigot/chat/menu/element/InputElement.java

@@ -101,7 +101,7 @@ public boolean onClick(@Nonnull IElementContainer container, @Nonnull Player pla
 			CMListener.expectPlayerChat(player, (p, m) -> {
 				editing = false;
 				setValue(m);
-				container.openFor(p);
+				container.refresh();
 				return true;
 			});
 		}else