Allow PluginPanels to opt-out of the scrollbar

For panels with tabs it is best to have the scrollbar inside of the tab pane, not around it.

runelite-client/src/main/java/net/runelite/client/ui/PluginPanel.java

@@ -36,44 +36,59 @@
 
 public abstract class PluginPanel extends JPanel
 {
-	static final int PANEL_WIDTH = 225;
+	public static final int PANEL_WIDTH = 225;
 	static final int SCROLLBAR_WIDTH = 17;
 	private static final int OFFSET = 6;
 	private static final EmptyBorder BORDER_PADDING = new EmptyBorder(OFFSET, OFFSET, OFFSET, OFFSET);
+	private static final Dimension OUTER_PREFERRED_SIZE = new Dimension(PluginPanel.PANEL_WIDTH + SCROLLBAR_WIDTH, 0);
 
 	@Getter(AccessLevel.PROTECTED)
 	private final JScrollPane scrollPane;
 
 	@Getter(AccessLevel.PACKAGE)
 	private final JPanel wrappedPanel;
 
-	public PluginPanel()
+	protected PluginPanel()
+	{
+		this(true);
+	}
+
+	protected PluginPanel(boolean wrap)
 	{
 		super();
-		setBorder(BORDER_PADDING);
-		setLayout(new GridLayout(0, 1, 0, 3));
+		if (wrap)
+		{
+			setBorder(BORDER_PADDING);
+			setLayout(new GridLayout(0, 1, 0, 3));
 
-		final JPanel northPanel = new JPanel();
-		northPanel.setLayout(new BorderLayout());
-		northPanel.add(this, BorderLayout.NORTH);
+			final JPanel northPanel = new JPanel();
+			northPanel.setLayout(new BorderLayout());
+			northPanel.add(this, BorderLayout.NORTH);
 
-		scrollPane = new JScrollPane(northPanel);
-		scrollPane.getVerticalScrollBar().setUnitIncrement(16); //Otherwise scrollspeed is really slow
-		scrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
+			scrollPane = new JScrollPane(northPanel);
+			scrollPane.getVerticalScrollBar().setUnitIncrement(16); //Otherwise scrollspeed is really slow
+			scrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
 
-		wrappedPanel = new JPanel();
+			wrappedPanel = new JPanel();
 
-		// Adjust the preferred size to expand to width of scrollbar to
-		// to preven scrollbar overlapping over contents
-		wrappedPanel.setPreferredSize(new Dimension(PluginPanel.PANEL_WIDTH + SCROLLBAR_WIDTH, 0));
-		wrappedPanel.setLayout(new BorderLayout());
-		wrappedPanel.add(scrollPane, BorderLayout.CENTER);
+			// Adjust the preferred size to expand to width of scrollbar to
+			// to preven scrollbar overlapping over contents
+			wrappedPanel.setPreferredSize(OUTER_PREFERRED_SIZE);
+			wrappedPanel.setLayout(new BorderLayout());
+			wrappedPanel.add(scrollPane, BorderLayout.CENTER);
+		}
+		else
+		{
+			scrollPane = null;
+			wrappedPanel = this;
+		}
 	}
 
 	@Override
 	public Dimension getPreferredSize()
 	{
-		return new Dimension(PANEL_WIDTH, super.getPreferredSize().height);
+		int width = this == wrappedPanel ? PANEL_WIDTH + SCROLLBAR_WIDTH : PANEL_WIDTH;
+		return new Dimension(width, super.getPreferredSize().height);
 	}
 
 	public void onActivate()