MAJOR changes to Panel API

All methods in PanelBuilder follow the Builder pattern (no more "set...")
nextSlot() now returns the first unoccupied slot

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

@@ -14,28 +14,70 @@ public class PanelBuilder {
     private User user;
     private PanelListener listener;
 
-    public PanelBuilder setName(String name) {
+    public PanelBuilder name(String name) {
         this.name = name;
         return this;
     }
 
+    /**
+     * Add item to the panel in the last slot.
+     * @param item - Panel item
+     * @return PanelBuilder
+     */
+    public PanelBuilder item(PanelItem item) {
+        return item(nextSlot(), item);
+    }
+
     /**
      * Add item into a specific slot. If it is already occupied, it will be replaced.
      * @param slot - slot
      * @param item - Panel item
      * @return PanelBuilder
      */
-    public PanelBuilder addItem(int slot, PanelItem item) {
+    public PanelBuilder item(int slot, PanelItem item) {
         items.put(slot, item);
         return this;
     }
 
+    /**
+     * Forces panel to be a specific number of slots.
+     * @param size
+     * @return PanelBuilder
+     */
+    public PanelBuilder size(int size) {
+        this.size = size;
+        return this;
+    }
+
+    /**
+     * Sets the user who will get this panel. This will open it immediately when it is built
+     * @param user - the User
+     * @return PanelBuilder
+     */
+    public PanelBuilder user(User user) {
+        this.user = user;
+        return this;
+    }
+
+    /**
+     * Sets which PanelListener will listen for clicks
+     * @param listener
+     * @return PanelBuilder
+     */
+    public PanelBuilder listener(PanelListener listener) {
+        this.listener = listener;
+        return this;
+    }
+
     public int nextSlot() {
         if (items.isEmpty()) {
             return 0;
         } else {
-            return items.lastEntry().getKey() + 1;
+            for (int i = 0; i < 54; i++) {
+                if (!slotOccupied(i)) return i;
+            }
         }
+        return 0;
     }
 
     /**
@@ -54,48 +96,4 @@ public class PanelBuilder {
     public Panel build() {
         return new Panel(name, items, size, user, listener);
     }
-
-    /**
-     * Add item to the panel in the last slot.
-     * @param item - Panel item
-     * @return PanelBuilder
-     */
-    public PanelBuilder addItem(PanelItem item) {
-        if (items.isEmpty()) {
-            items.put(0, item);
-        } else {
-            items.put(items.lastEntry().getKey() + 1, item);
-        }
-        return this;
-    }
-
-    /**
-     * Forces panel to be a specific number of slots.
-     * @param size
-     * @return PanelBuilder
-     */
-    public PanelBuilder setSize(int size) {
-        this.size = size;
-        return this;
-    }
-
-    /**
-     * Sets the user who will get this panel. This will open it immediately when it is built
-     * @param user - the User
-     * @return PanelBuilder
-     */
-    public PanelBuilder setUser(User user) {
-        this.user = user;
-        return this;
-    }
-
-    /**
-     * Sets which PanelListener will listen for clicks
-     * @param listener
-     * @return PanelBuilder
-     */
-    public PanelBuilder setListener(PanelListener listener) {
-        this.listener = listener;
-        return this;
-    }
 }

src/main/java/us/tastybento/bskyblock/database/mysql/MySQLDatabaseHandler.java

@@ -189,7 +189,6 @@ public class MySQLDatabaseHandler<T> extends AbstractDatabaseHandler<T> {
     }
 
     /**
-     *
      * Creates a comma-separated-String with the names of the variables in this
      * class
      * Not used in Flat File database.

src/main/java/us/tastybento/bskyblock/panels/SettingsPanel.java

@@ -18,18 +18,18 @@ public class SettingsPanel {
      */
     public static void openPanel(User user) {
         PanelBuilder panelBuilder = new PanelBuilder()
-                .setName(user.getTranslation("protection.panel.title"));
+                .name(user.getTranslation("protection.panel.title"));
 
         PanelItem help = new PanelItemBuilder()
                 .name(user.getTranslation("protection.panel.help-item.name"))
                 .icon("crashdummie99") // Question marks
                 .build();
 
-        panelBuilder.addItem(8, help);
+        panelBuilder.item(8, help);
 
         for (Flag flag : BSkyBlock.getInstance().getFlagsManager().getFlags()) {
             PanelItem flagIcon = flag.toPanelItem(user);
-            panelBuilder.addItem(flagIcon);
+            panelBuilder.item(flagIcon);
         }
 
         panelBuilder.build().open(user);