Added more around the Panel API.

src/main/java/us/tastybento/bskyblock/api/panels/PanelItem.java

@@ -1,6 +1,7 @@
 package us.tastybento.bskyblock.api.panels;
 
-import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
 
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Player;
@@ -10,51 +11,86 @@ import org.bukkit.inventory.meta.ItemMeta;
 
 public class PanelItem {
 
-    private ItemStack item;
+    private ItemStack icon;
-    private ClickHandler clickHandler;
+    private Optional<ClickHandler> clickHandler;
+    private List<String> description;
+    private String name;
+    private boolean glow;
+    private ItemMeta meta;
 
-    public PanelItem(ItemStack icon, String name, String description, boolean glow, ClickHandler clickHandler) {
+    public PanelItem(ItemStack icon, String name, List<String> description, boolean glow, Optional<ClickHandler> clickHandler) {
+        this.icon = icon;
+        // Get the meta
+        meta = icon.getItemMeta();
+
+        this.clickHandler = clickHandler;
+        
         // Create the final item
-        ItemMeta meta = icon.getItemMeta();
+        this.setName(name);
-        meta.setDisplayName(name);
+        this.setDescription(description);
-        meta.setLore(Arrays.asList(description.split("\\n"))); // the \n is automatically generated by the YAML when getting a multi-line value.
+        this.setGlow(glow);
 
         // Set flags to neaten up the view
         meta.addItemFlags(ItemFlag.HIDE_ATTRIBUTES);
         meta.addItemFlags(ItemFlag.HIDE_DESTROYS);
         meta.addItemFlags(ItemFlag.HIDE_PLACED_ON);
         meta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
-
-        if (glow) {
-            meta.addEnchant(Enchantment.ARROW_DAMAGE, 0, true);
-        }
-
         icon.setItemMeta(meta);
-
-        // Assign the values
-        this.item = icon;
-        this.clickHandler = clickHandler;
-
-        // if clickHandler is null, set a default one which will prevent picking up the item from the Panel
-        if (this.clickHandler == null) {
-            this.clickHandler = new ClickHandler() {
-                @Override
-                public boolean onClick(Player player, ClickType click) {
-                    return false;
-                }
-            };
-        }
     }
 
     public ItemStack getItem() {
-        return item;
+        return icon;
     }
 
-    public ClickHandler getClickHandler() {
+    public List<String> getDescription() {
+        return description;
+    }
+
+    public void setDescription(List<String> description) {
+        this.description = description;
+        ItemMeta meta = icon.getItemMeta();
+        meta.setLore(description);
+        icon.setItemMeta(meta);
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+        meta.setDisplayName(name);
+        icon.setItemMeta(meta);
+
+    }
+
+    public Optional<ClickHandler> getClickHandler() {
         return clickHandler;
     }
 
+    public boolean isGlow() {
+        return glow;
+    }
+
+    public void setGlow(boolean glow) {
+        this.glow = glow;
+        if (glow)
+            meta.addEnchant(Enchantment.ARROW_DAMAGE, 0, true);
+        else
+            meta.addEnchant(Enchantment.ARROW_DAMAGE, 0, true);
+    }
+
+    /**
+     * Click handler interface
+     *
+     */
     public interface ClickHandler {
-        boolean onClick(Player player, ClickType click);
+        /**
+         * This is executed when the icon is clicked
+         * @param player
+         * @param click
+         * @return false if the event should be cancelled
+         */
+        public boolean onClick(Player player, ClickType click);
     }
 }

src/main/java/us/tastybento/bskyblock/api/panels/builders/PanelItemBuilder.java

@@ -1,5 +1,8 @@
 package us.tastybento.bskyblock.api.panels.builders;
 
+import java.util.List;
+import java.util.Optional;
+
 import org.bukkit.inventory.ItemStack;
 
 import us.tastybento.bskyblock.api.panels.PanelItem;
@@ -7,9 +10,9 @@ import us.tastybento.bskyblock.api.panels.PanelItem;
 public class PanelItemBuilder {
     private ItemStack icon;
     private String name;
-    private String description;
+    private List<String> description;
     private boolean glow;
-    private PanelItem.ClickHandler clickHandler;
+    private Optional<PanelItem.ClickHandler> clickHandler = Optional.empty();
 
     public PanelItemBuilder setIcon(ItemStack icon) {
         this.icon = icon;
@@ -21,8 +24,8 @@ public class PanelItemBuilder {
          return this;
     }
 
-    public PanelItemBuilder setDescription(String description) {
+    public PanelItemBuilder setDescription(List<String> list) {
-        this.description = description;
+        this.description = list;
         return this;
     }
 
@@ -32,7 +35,7 @@ public class PanelItemBuilder {
     }
 
     public PanelItemBuilder setClickHandler(PanelItem.ClickHandler clickHandler) {
-        this.clickHandler = clickHandler;
+        this.clickHandler = Optional.of(clickHandler);
         return this;
     }
 

src/main/java/us/tastybento/bskyblock/listeners/PanelListenerManager.java

@@ -38,12 +38,14 @@ public class PanelListenerManager implements Listener {
                     if (slot == event.getRawSlot()) {
                         // Check that they left clicked on it
                         // TODO: in the future, we may want to support right clicking
-                        if(!panel.getItems().get(slot).getClickHandler().onClick(player.getPlayer(), ClickType.LEFT)) {
+                        if (panel.getItems().get(slot).getClickHandler().isPresent()) {
-                            event.setCancelled(true);
+                            if(!panel.getItems().get(slot).getClickHandler().get().onClick(player.getPlayer(), ClickType.LEFT)) {
-                        } else {
+                                event.setCancelled(true);
-                            // If there is a listener, then run it.
+                            } else {
-                            if (panel.getListener().isPresent()) {
+                                // If there is a listener, then run it.
-                                panel.getListener().get().onInventoryClick(player, inventory, event.getCurrentItem());
+                                if (panel.getListener().isPresent()) {
+                                    panel.getListener().get().onInventoryClick(player, inventory, event.getCurrentItem());
+                                }
                             }
                         }
                     }