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ItemDisplayname.java
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ItemDisplayname.java
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package com.denizenscript.denizen.objects.properties.item;
import com.denizenscript.denizen.nms.NMSHandler;
import com.denizenscript.denizen.objects.ItemTag;
import com.denizenscript.denizencore.objects.core.ElementTag;
import com.denizenscript.denizencore.objects.Mechanism;
import com.denizenscript.denizencore.objects.ObjectTag;
import com.denizenscript.denizencore.objects.properties.Property;
import com.denizenscript.denizencore.tags.Attribute;
import com.denizenscript.denizencore.tags.core.EscapeTagUtil;
import com.denizenscript.denizencore.utilities.CoreUtilities;
import com.denizenscript.denizen.utilities.BukkitImplDeprecations;
import org.bukkit.ChatColor;
import org.bukkit.inventory.meta.ItemMeta;
public class ItemDisplayname implements Property {
public static boolean describes(ObjectTag item) {
// Technically, all items can have a display name
return item instanceof ItemTag;
}
public static ItemDisplayname getFrom(ObjectTag _item) {
if (!describes(_item)) {
return null;
}
else {
return new ItemDisplayname((ItemTag) _item);
}
}
public static final String[] handledTags = new String[] {
"display", "has_display"
};
public static final String[] handledMechs = new String[] {
"display", "display_name"
};
private ItemDisplayname(ItemTag _item) {
item = _item;
}
ItemTag item;
public boolean hasDisplayName() {
return item.getItemMeta() != null && item.getItemMeta().hasDisplayName();
}
@Override
public ObjectTag getObjectAttribute(Attribute attribute) {
if (attribute == null) {
return null;
}
// <--[tag]
// @attribute <ItemTag.display>
// @returns ElementTag
// @mechanism ItemTag.display
// @synonyms ItemTag.display_name
// @group properties
// @description
// Returns the display name of the item, as set by plugin or an anvil.
// -->
if (attribute.startsWith("display")) {
if (hasDisplayName()) {
return new ElementTag(NMSHandler.itemHelper.getDisplayName(item), true)
.getObjectAttribute(attribute.fulfill(1));
}
}
// <--[tag]
// @attribute <ItemTag.has_display>
// @returns ElementTag(Boolean)
// @mechanism ItemTag.display
// @group properties
// @description
// Returns whether the item has a custom set display name.
// -->
if (attribute.startsWith("has_display")) {
return new ElementTag(hasDisplayName())
.getObjectAttribute(attribute.fulfill(1));
}
return null;
}
@Override
public String getPropertyString() {
if (hasDisplayName()) {
String res = NMSHandler.itemHelper.getDisplayName(item);
if (res.isEmpty()) { // Special case: persist empty strings as a single empty color code so it's not ignored
return ChatColor.WHITE.toString();
}
return res;
}
else {
return null;
}
}
@Override
public String getPropertyId() {
return "display";
}
@Override
public void adjust(Mechanism mechanism) {
// <--[mechanism]
// @object ItemTag
// @name display
// @input ElementTag
// @synonyms ItemTag.display_name
// @description
// Changes the item's display name.
// Give no input to remove the item's display name.
// @tags
// <ItemTag.display>
// -->
if (mechanism.matches("display")) {
if (!mechanism.hasValue()) {
ItemMeta meta = item.getItemMeta();
meta.setDisplayName(null);
item.setItemMeta(meta);
}
else {
NMSHandler.itemHelper.setDisplayName(item, mechanism.getValue().asString());
}
}
else if (mechanism.matches("display_name")) {
BukkitImplDeprecations.itemDisplayNameMechanism.warn(mechanism.context);
ItemMeta meta = item.getItemMeta();
meta.setDisplayName(mechanism.hasValue() ? CoreUtilities.clearNBSPs(EscapeTagUtil.unEscape(mechanism.getValue().asString())) : null);
item.setItemMeta(meta);
}
}
}