/
InventoryMenuSlot.java
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/
InventoryMenuSlot.java
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package net.citizensnpcs.api.gui;
import java.util.Arrays;
import java.util.Collection;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;
import java.util.function.Consumer;
import org.bukkit.Material;
import org.bukkit.event.Event.Result;
import org.bukkit.event.inventory.ClickType;
import org.bukkit.event.inventory.InventoryAction;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemFlag;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import com.google.common.collect.Lists;
import net.citizensnpcs.api.util.Messaging;
import net.md_5.bungee.api.ChatColor;
/**
* Represents a single inventory slot in a {@link InventoryMenu}.
*/
public class InventoryMenuSlot {
private Set<InventoryAction> actionFilter;
private final List<Consumer<CitizensInventoryClickEvent>> handlers = Lists.newArrayList();
private final int index;
private final Inventory inventory;
InventoryMenuSlot(MenuContext menu, int index) {
this.inventory = menu.getInventory();
this.index = index;
}
/**
* Adds a click handler to this slot.
*
* @param func
* The click handler to run
*/
public void addClickHandler(Consumer<CitizensInventoryClickEvent> func) {
handlers.add(func);
}
public void clear() {
handlers.clear();
actionFilter = null;
setItemStack(null);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
InventoryMenuSlot other = (InventoryMenuSlot) obj;
if (index != other.index) {
return false;
}
if (inventory == null) {
if (other.inventory != null) {
return false;
}
} else if (!inventory.equals(other.inventory)) {
return false;
}
return true;
}
public ItemStack getCurrentItem() {
return inventory.getItem(index);
}
/**
* @return The set of {@link InventoryAction}s that will be allowed
*/
public Collection<InventoryAction> getFilter() {
return actionFilter;
}
@Override
public int hashCode() {
int result = 31 + index;
return 31 * result + ((inventory == null) ? 0 : inventory.hashCode());
}
void initialise(MenuSlot data) {
ItemStack defaultItem = null;
if (data.compatMaterial().length == 2) {
Material mat = Material.getMaterial(data.compatMaterial()[0]);
if (mat == null) {
mat = Material.getMaterial(data.compatMaterial()[1]);
}
defaultItem = new ItemStack(mat, data.amount());
} else if (data.material() != null) {
defaultItem = new ItemStack(data.material(), data.amount());
}
if (defaultItem != null) {
ItemMeta meta = defaultItem.getItemMeta();
if (meta != null) {
meta.addItemFlags(ItemFlag.HIDE_ATTRIBUTES);
if (!data.lore().equals("EMPTY")) {
meta.setLore(Arrays.asList(Messaging
.parseComponents(Messaging.tryTranslate(data.lore())).split("\\n|\n|<br>")));
}
if (!data.title().equals("EMPTY")) {
meta.setDisplayName(Messaging.parseComponents(Messaging.tryTranslate(data.title())));
}
defaultItem.setItemMeta(meta);
}
}
inventory.setItem(index, defaultItem);
}
void onClick(CitizensInventoryClickEvent event) {
if ((actionFilter == null && handlers.isEmpty())
|| (actionFilter != null && !actionFilter.contains(event.getAction()))) {
event.setCancelled(true);
event.setResult(Result.DENY);
}
for (Consumer<CitizensInventoryClickEvent> runnable : Lists.newArrayList(handlers)) {
runnable.accept(event);
}
}
public void setClickHandler(Consumer<CitizensInventoryClickEvent> handler) {
handlers.clear();
handlers.add(handler);
}
public void setDescription(String description) {
ItemStack item = inventory.getItem(index);
ItemMeta meta = item.getItemMeta();
if (!meta.hasDisplayName()) {
}
List<String> list = Arrays.asList(Messaging.parseComponents(description).split("\\n|\n|<br>"));
meta.setDisplayName(ChatColor.RESET + list.get(0));
meta.setLore(list.subList(1, list.size()));
meta.addItemFlags(ItemFlag.HIDE_ATTRIBUTES);
item.setItemMeta(meta);
inventory.setItem(index, item);
}
/**
* Sets a new {@link ClickType} filter that will only accept clicks with the given type. An empty set is equivalent
* to allowing all click types.
*
* @param filter
* The new filter
*/
public void setFilter(Collection<InventoryAction> filter) {
this.actionFilter = filter == null || filter.isEmpty() ? EnumSet.allOf(InventoryAction.class)
: EnumSet.copyOf(filter);
}
/**
* Manually set the {@link ItemStack} for this slot
*
* @param stack
*/
public void setItemStack(ItemStack stack) {
inventory.setItem(index, stack);
}
public void setItemStack(ItemStack stack, String name) {
setItemStack(stack, name, null);
}
public void setItemStack(ItemStack stack, String name, String description) {
ItemMeta meta = stack.getItemMeta();
meta.setDisplayName(ChatColor.RESET + Messaging.parseComponents(name));
if (description != null) {
meta.setLore(Arrays.asList(Messaging.parseComponents(description).split("\n")));
}
meta.addItemFlags(ItemFlag.HIDE_ATTRIBUTES);
stack.setItemMeta(meta);
inventory.setItem(index, stack);
}
}