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Add basics of GUI

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This commit is contained in:
SemvdH
2026-02-03 13:47:02 +01:00
parent c663d63341
commit 2a38080e6b
8 changed files with 140 additions and 99 deletions
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4
ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/App.java
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@@ -6,7 +6,7 @@ import org.bukkit.plugin.java.JavaPlugin;
import nl.interestingcorner.coordinates.commands.CoordinatesCommand;
import nl.interestingcorner.coordinates.db.CoordinatesDatabaseManager;
import nl.interestingcorner.coordinates.gui.CoordinatesGUIListener;
// import nl.interestingcorner.coordinates.gui.CoordinatesGUIListener;
public class App extends JavaPlugin {
@@ -16,7 +16,7 @@ public class App extends JavaPlugin {
CoordinatesDatabaseManager.INSTANCE.initialize(this);
getLogger().info("Successfully initialized database");
getServer().getPluginManager().registerEvents(new CoordinatesGUIListener(), this);
// getServer().getPluginManager().registerEvents(new CoordinatesGUIListener(), this);
registerCommands();
}

2
ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/commands/GetCoordinatesCommandHandler.java
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@@ -5,8 +5,8 @@ import java.util.List;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import nl.interestingcorner.coordinates.db.CoordinatesDatabaseManager;
import nl.interestingcorner.coordinates.db.Coordinate;
import nl.interestingcorner.coordinates.db.CoordinatesDatabaseManager;
import nl.interestingcorner.coordinates.gui.CoordinatesGUI;
public class GetCoordinatesCommandHandler implements CoordinatesCommandHandler {

67
ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/gui/CoordinatesGUI.java
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@@ -2,67 +2,24 @@ package nl.interestingcorner.coordinates.gui;
import java.util.List;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.entity.Player;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import nl.interestingcorner.coordinates.db.Coordinate;
import nl.interestingcorner.core.MinecraftColor;
import nl.interestingcorner.core.gui.GUI;
public class CoordinatesGUI {
public static void open(Player player, List<Coordinate> coordinates) {
public static void open(Player player, List<Coordinate> coords) {
// Convert coordinates to ItemStacks for GUI display
List<ItemStack> items = coords.stream()
.map(coord -> {
ItemStack item = coord.toItem();
return item;
})
.toList();
int coordinatesAmount = coordinates.size();
int size;
if (coordinatesAmount <= 9) {
size = 9;
} else {
// TODO handle if size is more than 54 - 9, add pagination
/**
* if more than 45, add pages. Split by 45 items per page.
* use bottom row leftmost and rightmost item for navigation.
* use paper item for page number display in middle.
* use lore of navigation items clicked to handle showing next/previous page.
* use player.getOpeninventory() to get current inventory and update or close it.
*/
// round up to nearest multiple of 9
size = ((coordinatesAmount / 9) + 1) * 9;
player.sendMessage("Size: " + size);
}
// Create an inventory with 9 slots and a title
Inventory gui = Bukkit.createInventory(null, size, "Coordinates Menu");
for (Coordinate coordinate : coordinates) {
ItemStack item = createCoordinateItem(coordinate);
gui.addItem(item);
}
// Open the GUI for the player
player.openInventory(gui);
}
private static ItemStack createCoordinateItem(Coordinate coordinate) {
ItemStack itemStack = new ItemStack(coordinate.color.toMaterial());
ItemMeta meta = itemStack.getItemMeta();
if (meta == null) {
return itemStack;
}
meta.setDisplayName(coordinate.color.toColorCode() + coordinate.name);
meta.setLore(List.of(
MinecraftColor.WHITE.toColorCode() + coordinate.description,
coordinate.nether ? MinecraftColor.RED.toColorCode() + "Nether Coordinate" : "Overworld Coordinate",
"X: " + coordinate.position.x(),
"Y: " + coordinate.position.y(),
"Z: " + coordinate.position.z(),
"World: " + coordinate.world
));
itemStack.setItemMeta(meta);
return itemStack;
GUI gui = new GUI("Coordinates", GUI.DEFAULT_PAGE_SIZE);
gui.setItems(items);
gui.show(player);
}
}

33
ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/gui/CoordinatesGUIListener.java
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@@ -1,33 +0,0 @@
package nl.interestingcorner.coordinates.gui;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.entity.Player;
import org.bukkit.ChatColor;
public class CoordinatesGUIListener implements Listener{
@EventHandler
public void onInventoryClick(InventoryClickEvent event) {
// Check if this is our custom GUI
if (event.getView().getTitle().equals("Coordinates Menu")) {
event.setCancelled(true); // Prevent taking the item
if (event.getCurrentItem() == null) return;
Player player = (Player) event.getWhoClicked();
switch (event.getSlot()) {
case 0 -> {
player.sendMessage(ChatColor.GREEN + "You clicked Add Coordinate!");
player.closeInventory();
// Here you could open another GUI or run a command
}
// Add other cases for other slots if needed
}
}
}
}

29
ic_plugin_core/src/main/java/nl/interestingcorner/core/gui/ChestGUI.java Normal file
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@@ -0,0 +1,29 @@
package nl.interestingcorner.core.gui;
import java.util.List;
import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
/**
* Generalized chest GUI for use in plugins.
*/
public class ChestGUI {
public static void open(Player player, String title, List<ItemStack> items) {
int itemsAmount = items.size();
int size;
if (itemsAmount <= 9) {
size = 9;
} else {
// TODO: handle pagination for >54 items
size = ((itemsAmount / 9) + 1) * 9;
}
Inventory gui = Bukkit.createInventory(null, size, title);
for (ItemStack item : items) {
gui.addItem(item);
}
player.openInventory(gui);
}
}

27
ic_plugin_core/src/main/java/nl/interestingcorner/core/gui/ChestGUIListener.java Normal file
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@@ -0,0 +1,27 @@
package nl.interestingcorner.core.gui;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.inventory.InventoryClickEvent;
/**
* Generalized listener for chest GUIs. Extend or register with custom logic.
*/
public class ChestGUIListener implements Listener {
private final String guiTitle;
public ChestGUIListener(String guiTitle) {
this.guiTitle = guiTitle;
}
@EventHandler
public void onInventoryClick(InventoryClickEvent event) {
if (event.getView().getTitle().equals(guiTitle)) {
event.setCancelled(true);
if (event.getCurrentItem() == null) return;
Player player = (Player) event.getWhoClicked();
// Extend this class and override this method for custom slot handling
}
}
}

70
ic_plugin_core/src/main/java/nl/interestingcorner/core/gui/GUI.java
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@@ -1,19 +1,81 @@
package nl.interestingcorner.core.gui;
import java.util.ArrayList;
import java.util.List;
import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.inventory.ItemStack;
public class GUI implements InventoryHolder {
public static final int MAX_INVENTORY_SIZE = 54; // max size of inventory before pages are needed
public static final int MAX_PAGE_INVENTORY_SIZE = 45; // max amount of items on a page
public static final int DEFAULT_PAGE_SIZE = 45; // default items per page (excluding navigation row)
private Inventory inventory;
private List<ItemStack> items;
private int currentPage;
private String title;
private int pageSize;
public GUI(String title, int pageSize) {
this.title = title;
this.pageSize = Math.min(pageSize, MAX_INVENTORY_SIZE);
this.items = new ArrayList<>();
this.currentPage = 0;
this.inventory = null;
}
public void setItems(List<ItemStack> items) {
this.items = new ArrayList<>(items);
this.currentPage = 0;
updateInventory();
}
public void addItem(ItemStack item) {
this.items.add(item);
updateInventory();
}
public void show(Player player) {
updateInventory();
player.openInventory(this.inventory);
}
public void nextPage() {
if ((currentPage + 1) * pageSize < items.size()) {
currentPage++;
updateInventory();
}
}
public void previousPage() {
if (currentPage > 0) {
currentPage--;
updateInventory();
}
}
public int getPagesAmount() {
return (int) Math.ceil((double) items.size() / pageSize);
}
private void updateInventory() {
// Create inventory for the current page
int size = Math.min(pageSize, MAX_INVENTORY_SIZE);
this.inventory = Bukkit.createInventory(this, size, title);
int start = currentPage * pageSize;
int end = Math.min(start + pageSize, items.size());
List<ItemStack> pageItems = items.subList(start, end);
for (int i = 0; i < pageItems.size(); i++) {
this.inventory.setItem(i, pageItems.get(i));
}
// TODO: Add navigation items if needed
}
@Override
public Inventory getInventory() {
// TODO Auto-generated method stub
throw new UnsupportedOperationException("Unimplemented method 'getInventory'");
return this.inventory;
}
}

7
ic_plugin_core/src/main/java/nl/interestingcorner/core/gui/GUIBuilder.java
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@@ -4,7 +4,6 @@ import java.util.List;
import org.bukkit.Bukkit;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.inventory.ItemStack;
public class GUIBuilder {
@@ -22,7 +21,7 @@ public class GUIBuilder {
int itemsAmount = items.size();
int pagesAmount = getPagesAmount(itemsAmount);
Inventory gui = Bukkit.createInventory(null, MAX_INVENTORY_SIZE, "Coordinates Menu");
Inventory gui = Bukkit.createInventory(null, GUI.MAX_INVENTORY_SIZE, "Coordinates Menu");
for (ItemStack item : items) {
gui.addItem(item);
@@ -32,8 +31,8 @@ public class GUIBuilder {
}
private static int getPagesAmount(int itemsAmount) {
if (itemsAmount > MAX_INVENTORY_SIZE) {
return ((itemsAmount / MAX_PAGE_INVENTORY_SIZE) + 1);
if (itemsAmount > GUI.MAX_INVENTORY_SIZE) {
return ((itemsAmount / GUI.DEFAULT_PAGE_SIZE) + 1);
}
return 1;
}