Scrolling panel with toolbar at top example. (#159)

demo-single-app/src/basic/MainFrame.java

@@ -175,6 +175,7 @@ public void setVisible(boolean visible) {
 		ToolPanel explorer = new ToolPanel("Explorer", "explorer", DockableStyle.VERTICAL, new ImageIcon(Objects.requireNonNull(getClass().getResource("/icons/light/icons8-vga-16.png"))));
 		ToolPanel output = new OutputPanel("Output", "output", DockableStyle.HORIZONTAL, new ImageIcon(Objects.requireNonNull(getClass().getResource("/icons/light/icons8-vga-16.png"))));
 		AlwaysDisplayedPanel alwaysDisplayed = new AlwaysDisplayedPanel("always displayed", "always-displayed");
+		ScrollingWithToolbarPanel scrolling = new ScrollingWithToolbarPanel();
 
 		PropertiesDemoPanel propertiesDemoPanel = new PropertiesDemoPanel();
 
@@ -224,6 +225,7 @@ public void setVisible(boolean visible) {
 		view.add(new DockableMenuItem(() -> ((Dockable) alwaysDisplayed).getPersistentID(), ((Dockable) alwaysDisplayed).getTabText()));
 		view.add(changeText);
 		view.add(actionListenDock(themes));
+		view.add(actionListenDock(scrolling));
 
 		JMenuItem storeCurrentLayout = new JMenuItem("Store Current Layout...");
 		storeCurrentLayout.addActionListener(e -> {

demo-single-app/src/basic/ScrollingWithToolbarPanel.java

@@ -0,0 +1,46 @@
+package basic;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class ScrollingWithToolbarPanel extends BasePanel {
+    public ScrollingWithToolbarPanel() {
+        super("Scrolling With Toolbar", "scroll-with-toolbar");
+
+        setLayout(new GridBagLayout());
+
+        JToolBar toolBar = new JToolBar();
+        toolBar.add(new JButton("Add"));
+        toolBar.add(new JButton("Remove"));
+
+        JPanel panel = new JPanel();
+        panel.setLayout(new GridBagLayout());
+
+        GridBagConstraints gbc = new GridBagConstraints();
+        gbc.gridx = 0;
+        gbc.gridy = 0;
+        gbc.weightx = 1;
+        gbc.weighty = 0;
+        gbc.fill = GridBagConstraints.HORIZONTAL;
+
+        for (int i = 0; i < 30; i++) {
+            panel.add(new JLabel("label " + i), gbc);
+            gbc.gridy++;
+        }
+
+        gbc.gridy = 0;
+        add(toolBar, gbc);
+
+        gbc.gridy++;
+        gbc.weightx = 1;
+        gbc.weighty = 1;
+        gbc.fill = GridBagConstraints.BOTH;
+
+        add(new JScrollPane(panel), gbc);
+    }
+
+    @Override
+    public boolean isWrappableInScrollpane() {
+        return false;
+    }
+}