Move arrow buttons support to FScrollPane to allow better separation of FScrollPane and FScrollPanel

forge-gui/src/main/java/forge/gui/home/sanctioned/VSubmenuConstructed.java

@@ -47,6 +47,7 @@ import forge.gui.toolbox.FMouseAdapter;
 import forge.gui.toolbox.FOptionPane;
 import forge.gui.toolbox.FPanel;
 import forge.gui.toolbox.FRadioButton;
+import forge.gui.toolbox.FScrollPane;
 import forge.gui.toolbox.FScrollPanel;
 import forge.gui.toolbox.FSkin;
 import forge.gui.toolbox.FSkin.SkinColor;
@@ -142,7 +143,7 @@ public enum VSubmenuConstructed implements IVSubmenu<CSubmenuConstructed> {
         variantsPanel.add(vntArchenemy);
         comboArchenemy.addTo(variantsPanel);
 
-        constructedFrame.add(new FScrollPanel(variantsPanel, true,
+        constructedFrame.add(new FScrollPane(variantsPanel, true,
                 ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER,
                 ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED),
                 "w 100%, gapbottom 10px, spanx 2, wrap");

forge-gui/src/main/java/forge/gui/match/views/VDev.java

@@ -35,7 +35,7 @@ import forge.gui.framework.DragTab;
 import forge.gui.framework.EDocID;
 import forge.gui.framework.IVDoc;
 import forge.gui.match.controllers.CDev;
-import forge.gui.toolbox.FScrollPanel;
+import forge.gui.toolbox.FScrollPane;
 import forge.gui.toolbox.FSkin;
 import forge.gui.toolbox.FSkin.SkinnedLabel;
 
@@ -57,7 +57,7 @@ public enum VDev implements IVDoc<CDev> {
 
     // Top-level containers
     private final JPanel viewport = new JPanel(new MigLayout("wrap, insets 0, ax center"));
-    private final FScrollPanel scroller = new FScrollPanel(viewport, true,
+    private final FScrollPane scroller = new FScrollPane(viewport, true,
             ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
             ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
 

forge-gui/src/main/java/forge/gui/match/views/VPrompt.java

@@ -38,7 +38,7 @@ import forge.gui.match.controllers.CPrompt;
 import forge.gui.toolbox.FButton;
 import forge.gui.toolbox.FHtmlViewer;
 import forge.gui.toolbox.FLabel;
-import forge.gui.toolbox.FScrollPanel;
+import forge.gui.toolbox.FScrollPane;
 import forge.gui.toolbox.FSkin;
 import forge.properties.ForgePreferences;
 import forge.properties.ForgePreferences.FPref;
@@ -60,7 +60,7 @@ public enum VPrompt implements IVDoc<CPrompt> {
     private final JButton btnOK = new FButton("OK");
     private final JButton btnCancel = new FButton("Cancel");
     private final FHtmlViewer tarMessage = new FHtmlViewer();
-    private final FScrollPanel messageScroller = new FScrollPanel(tarMessage, false,
+    private final FScrollPane messageScroller = new FScrollPane(tarMessage,
     		ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
     private final JLabel lblGames;
 

forge-gui/src/main/java/forge/gui/match/views/VStack.java

@@ -51,7 +51,7 @@ import forge.gui.framework.IVDoc;
 import forge.gui.match.CMatchUI;
 import forge.gui.match.controllers.CStack;
 import forge.gui.toolbox.FMouseAdapter;
-import forge.gui.toolbox.FScrollPanel;
+import forge.gui.toolbox.FScrollPane;
 import forge.gui.toolbox.FSkin;
 import forge.gui.toolbox.FSkin.SkinnedTextArea;
 import forge.properties.ForgePreferences.FPref;
@@ -75,7 +75,7 @@ public enum VStack implements IVDoc<CStack> {
     private final DragTab tab = new DragTab("Stack");
 
     // Top-level containers
-    private final FScrollPanel scroller = new FScrollPanel(new JPanel(), true,
+    private final FScrollPane scroller = new FScrollPane(null, true,
             ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
     private final StackArea stackArea = new StackArea(scroller);
 
@@ -363,7 +363,7 @@ public enum VStack implements IVDoc<CStack> {
 
         private Dimension size;
 
-        public StackArea(final FScrollPanel scrollPane) {
+        public StackArea(final FScrollPane scrollPane) {
             super(scrollPane);
         }
 

forge-gui/src/main/java/forge/gui/toolbox/FScrollPane.java

@@ -1,44 +1,266 @@
 package forge.gui.toolbox;
 
 import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
 
+import javax.swing.JScrollBar;
 import javax.swing.ScrollPaneConstants;
+import javax.swing.Timer;
+import javax.swing.border.Border;
 
+import forge.gui.toolbox.FSkin.SkinColor;
 import forge.gui.toolbox.FSkin.SkinnedScrollPane;
 
 /** 
- * A very basic extension of JScrollPane to centralize common styling changes.
+ * An extension of JScrollPane to centralize common styling changes
+ * and supports using arrow buttons to scroll instead of scrollbars
  *
  */
 @SuppressWarnings("serial")
 public class FScrollPane extends SkinnedScrollPane {
+    private static final SkinColor arrowColor = FSkin.getColor(FSkin.Colors.CLR_TEXT);
+    private final ArrowButton[] arrowButtons;
+
     public FScrollPane() {
         this(null);
     }
-
-    /**
-     * A very basic extension of JScrollPane to centralize common styling changes.
-     * This constructor assumes "as needed" for horizontal and vertical scroll policies.
-     * 
-     * @param c0 {@link java.awt.Component}
-     */
     public FScrollPane(final Component c0) {
-        this(c0, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
+        this(c0, false, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
+    }
+    public FScrollPane(final Component c0, boolean useArrowButtons0) {
+        this(c0, useArrowButtons0, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
     }
-
-    /**
-     * A very basic extension of JScrollPane to centralize common styling changes.
-     * 
-     * @param c0   Viewport component.
-     * @param vertical0   Vertical scroll bar policy
-     * @param horizontal0   Horizontal scroll bar policy
-     */
     public FScrollPane(final Component c0, final int vertical0, final int horizontal0) {
+        this(c0, false, vertical0, horizontal0);
+    }
+    public FScrollPane(final Component c0, boolean useArrowButtons0, final int vertical0, final int horizontal0) {
         super(c0, vertical0, horizontal0);
+
         getVerticalScrollBar().setUnitIncrement(16);
         getHorizontalScrollBar().setUnitIncrement(16);
         getViewport().setOpaque(false);
-        this.setBorder(new FSkin.LineSkinBorder(FSkin.getColor(FSkin.Colors.CLR_BORDERS)));
         setOpaque(false);
+        setBorder((Border)null);
+        if (useArrowButtons0) {
+            //ensure scrollbar aren't shown
+            getHorizontalScrollBar().setPreferredSize(new Dimension(0, 0));
+            getVerticalScrollBar().setPreferredSize(new Dimension(0, 0));
+            arrowButtons = new ArrowButton[4];
+        }
+        else {
+            arrowButtons = null;
+        }
+    }
+
+    @Override
+    public void paint(Graphics g) {
+        super.paint(g);
+        if (arrowButtons == null) { return; }
+
+        //determine which buttons should be visible
+        boolean[] visible = new boolean[] { false, false, false, false };
+        final JScrollBar horzScrollBar = this.getHorizontalScrollBar();
+        if (horzScrollBar.isVisible()) { //NOTE: scrollbar wouldn't actually be visible since size set to 0 to hide it
+            visible[0] = horzScrollBar.getValue() > 0;
+            visible[1] = horzScrollBar.getValue() < horzScrollBar.getMaximum()  - horzScrollBar.getModel().getExtent();
+        }
+        final JScrollBar vertScrollBar = this.getVerticalScrollBar();
+        if (vertScrollBar.isVisible()) {
+            visible[2] = vertScrollBar.getValue() > 0;
+            visible[3] = vertScrollBar.getValue() < vertScrollBar.getMaximum() - vertScrollBar.getModel().getExtent();
+        }
+        for (int dir = 0; dir < 4; dir++) {
+            updateArrowButton(dir, visible);
+        }
+    }
+
+    private void updateArrowButton(int dir, boolean[] visible) {
+        ArrowButton arrowButton = arrowButtons[dir];
+        if (!visible[dir]) {
+            if (arrowButton != null) {
+                arrowButton.setVisible(false);
+            }
+            return;
+        }
+
+        //determine bounds of button
+        int x, y, w, h;
+        final int panelWidth = getWidth();
+        final int panelHeight = getHeight();
+        final int arrowButtonSize = 18;
+        final int cornerSize = arrowButtonSize - 1; //make borders line up
+
+        if (dir < 2) { //if button for horizontal scrolling
+            y = 0;
+            h = panelHeight;
+            if (visible[2]) {
+                y += cornerSize;
+                h -= cornerSize;
+            }
+            if (visible[3]) {
+                h -= cornerSize;
+            }
+            x = (dir == 0 ? 0 : panelWidth - arrowButtonSize);
+            w = arrowButtonSize;
+        }
+        else { //if button for vertical scrolling
+            x = 0;
+            w = panelWidth;
+            if (visible[0]) {
+                x += cornerSize;
+                w -= cornerSize;
+            }
+            if (visible[1]) {
+                w -= cornerSize;
+            }
+            y = (dir == 2 ? 0 : panelHeight - arrowButtonSize);
+            h = arrowButtonSize;
+        }
+
+        if (arrowButton == null) {
+            switch (dir) {
+                case 0:
+                    arrowButton = new LeftArrowButton(getHorizontalScrollBar());
+                    break;
+                case 1:
+                    arrowButton = new RightArrowButton(getHorizontalScrollBar());
+                    break;
+                case 2:
+                    arrowButton = new TopArrowButton(getVerticalScrollBar());
+                    break;
+                default:
+                    arrowButton = new BottomArrowButton(getVerticalScrollBar());
+                    break;
+            }
+            arrowButtons[dir] = arrowButton;
+        }
+        //absolutely position button in front of scroll panel
+        arrowButton.setSize(w, h);
+        FAbsolutePositioner.SINGLETON_INSTANCE.show(arrowButton, this, x, y);
+    }
+
+    private abstract class ArrowButton extends FLabel {
+        protected final int arrowSize = 6;
+        private final JScrollBar scrollBar;
+        private final int incrementDirection;
+
+        protected ArrowButton(final JScrollBar scrollBar0, final int incrementDirection0) {
+            super(new FLabel.ButtonBuilder());
+            scrollBar = scrollBar0;
+            incrementDirection = incrementDirection0;
+            timer.setInitialDelay(500); //wait half a second after mouse down before starting timer
+        }
+
+        @Override
+        protected void setPressed(boolean pressed0) {
+            super.setPressed(pressed0);
+            if (pressed0) {
+                scrollBar.setValue(scrollBar.getValue() + scrollBar.getUnitIncrement() * incrementDirection);
+                timer.start();
+            }
+            else {
+                timer.stop();
+            }
+        }
+
+        @Override
+        protected void paintContent(final Graphics2D g, int w, int h, final boolean paintPressedState) {
+            FSkin.setGraphicsColor(g, arrowColor);
+            drawArrow(g);
+        }
+
+        protected abstract void drawArrow(final Graphics g);
+
+        //timer to continue scrollling while mouse remains down
+        final Timer timer = new Timer(50, new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                if (!isVisible()) {
+                    //ensure timer stops if button hidden from scrolling to beginning/end (based on incrementDirection)
+                    ((Timer)e.getSource()).stop();
+                    return;
+                }
+                scrollBar.setValue(scrollBar.getValue() + scrollBar.getUnitIncrement() * incrementDirection);
+            }
+        });
+    }
+
+    private class LeftArrowButton extends ArrowButton {
+        public LeftArrowButton(final JScrollBar horzScrollbar) {
+            super(horzScrollbar, -1);
+        }
+
+        @Override
+        protected void drawArrow(final Graphics g) {
+            int x = (getWidth() - arrowSize) / 2;
+            int y2 = getHeight() / 2;
+            int y1 = y2 - 1;
+            for (int i = 0; i < arrowSize; i++) {
+                g.drawLine(x, y1, x, y2);
+                x++;
+                y1--;
+                y2++;
+            }
+        }
+    }
+
+    private class RightArrowButton extends ArrowButton {
+        public RightArrowButton(final JScrollBar horzScrollbar) {
+            super(horzScrollbar, 1);
+        }
+
+        @Override
+        protected void drawArrow(final Graphics g) {
+            int x = (getWidth() + arrowSize) / 2;
+            int y2 = getHeight() / 2;
+            int y1 = y2 - 1;
+            for (int i = 0; i < arrowSize; i++) {
+                g.drawLine(x, y1, x, y2);
+                x--;
+                y1--;
+                y2++;
+            }
+        }
+    }
+
+    private class TopArrowButton extends ArrowButton {
+        public TopArrowButton(final JScrollBar vertScrollbar) {
+            super(vertScrollbar, -1);
+        }
+
+        @Override
+        protected void drawArrow(final Graphics g) {
+            int x2 = getWidth() / 2;
+            int x1 = x2 - 1;
+            int y = (getHeight() - arrowSize) / 2;
+            for (int i = 0; i < arrowSize; i++) {
+                g.drawLine(x1, y, x2, y);
+                x1--;
+                x2++;
+                y++;
+            }
+        }
+    }
+
+    private class BottomArrowButton extends ArrowButton {
+        public BottomArrowButton(final JScrollBar vertScrollbar) {
+            super(vertScrollbar, 1);
+        }
+
+        @Override
+        protected void drawArrow(final Graphics g) {
+            int x2 = getWidth() / 2;
+            int x1 = x2 - 1;
+            int y = (getHeight() + arrowSize) / 2;
+            for (int i = 0; i < arrowSize; i++) {
+                g.drawLine(x1, y, x2, y);
+                x1--;
+                x2++;
+                y--;
+            }
+        }
     }
 }

forge-gui/src/main/java/forge/gui/toolbox/FScrollPanel.java

@@ -18,315 +18,34 @@
 package forge.gui.toolbox;
 
 import java.awt.Component;
-import java.awt.Dimension;
-import java.awt.Graphics;
-import java.awt.Graphics2D;
 import java.awt.LayoutManager;
 import java.awt.PopupMenu;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-
 import javax.swing.JPanel;
-import javax.swing.JScrollBar;
 import javax.swing.ScrollPaneConstants;
-import javax.swing.Timer;
-import javax.swing.border.Border;
-
-import forge.gui.toolbox.FSkin.SkinColor;
 
 /** 
- * An extension of JScrollPane that can be used as a panel and supports using arrow buttons to scroll instead of scrollbars
+ * An extension of FScrollPane that can be used as a panel
  *
  */
 @SuppressWarnings("serial")
 public class FScrollPanel extends FScrollPane {
-    private static final SkinColor arrowColor = FSkin.getColor(FSkin.Colors.CLR_TEXT);
-    private final boolean useArrowButtons;
-    private final ArrowButton[] arrowButtons = new ArrowButton[4];
     private JPanel innerPanel;
 
-    /**
-     * An extension of JScrollPane that can be used as a panel and supports using arrow buttons to scroll instead of scrollbars
-     * This constructor assumes no layout, assumes using scrollbars to scroll, and "as needed" for horizontal and vertical scroll policies.
-     * 
-     */
     public FScrollPanel() {
         this(null);
     }
-
-    /**
-     * An extension of JScrollPane that can be used as a panel and supports using arrow buttons to scroll instead of scrollbars
-     * This constructor assumes using scrollbars to scroll and "as needed" for horizontal and vertical scroll policies.
-     * 
-     * @param layout   Layout for panel.
-     */
     public FScrollPanel(final LayoutManager layout) {
         this(layout, false);
     }
-
-    /**
-     * An extension of JScrollPane that can be used as a panel and supports using arrow buttons to scroll instead of scrollbars
-     * This constructor assumes "as needed" for horizontal and vertical scroll policies.
-     * 
-     * @param layout   Layout for panel.
-     * @param useArrowButtons   True to use arrow buttons to scroll, false to use scrollbars
-     */
-    public FScrollPanel(final LayoutManager layout, boolean useArrowButtons) {
-        this(layout, useArrowButtons, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
+    public FScrollPanel(final LayoutManager layout, boolean useArrowButtons0) {
+        this(layout, useArrowButtons0, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
     }
-
-    /**
-     * An extension of JScrollPane that can be used as a panel and supports using arrow buttons to scroll instead of scrollbars
-     * 
-     * @param layout   Layout for panel.
-     * @param useArrowButtons0   True to use arrow buttons to scroll, false to use scrollbars
-     * @param vertical0   Vertical scroll bar policy
-     * @param horizontal0   Horizontal scroll bar policy
-     */
     public FScrollPanel(final LayoutManager layout, boolean useArrowButtons0, final int vertical0, final int horizontal0) {
-        this(new JPanel(layout), useArrowButtons0, vertical0, horizontal0);
+        super(new JPanel(layout), useArrowButtons0, vertical0, horizontal0);
         innerPanel = (JPanel)getViewport().getView();
         innerPanel.setOpaque(false);
     }
 
-    /**
-     * An extension of JScrollPane that can be used as a panel and supports using arrow buttons to scroll instead of scrollbars
-     * 
-     * @param view   Scrollable view component.
-     * @param useArrowButtons0   True to use arrow buttons to scroll, false to use scrollbars
-     */
-    public FScrollPanel(final Component view, boolean useArrowButtons0) {
-        this(view, useArrowButtons0, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
-    }
-
-    /**
-     * An extension of JScrollPane that can be used as a panel and supports using arrow buttons to scroll instead of scrollbars
-     * 
-     * @param view   Scrollable view component.
-     * @param useArrowButtons0   True to use arrow buttons to scroll, false to use scrollbars
-     * @param vertical0   Vertical scroll bar policy
-     * @param horizontal0   Horizontal scroll bar policy
-     */
-    public FScrollPanel(final Component view, boolean useArrowButtons0, final int vertical0, final int horizontal0) {
-        super(view, vertical0, horizontal0);
-
-        useArrowButtons = useArrowButtons0;
-        setBorder((Border)null);
-        if (useArrowButtons) {
-            //ensure scrollbar aren't shown
-            getHorizontalScrollBar().setPreferredSize(new Dimension(0, 0));
-            getVerticalScrollBar().setPreferredSize(new Dimension(0, 0));
-        }
-    }
-
-    @Override
-    public void paint(Graphics g) {
-        super.paint(g);
-        if (useArrowButtons) {
-            //determine which buttons should be visible
-            boolean[] visible = new boolean[] { false, false, false, false };
-            final JScrollBar horzScrollBar = this.getHorizontalScrollBar();
-            if (horzScrollBar.isVisible()) { //NOTE: scrollbar wouldn't actually be visible since size set to 0 to hide it
-                visible[0] = horzScrollBar.getValue() > 0;
-                visible[1] = horzScrollBar.getValue() < horzScrollBar.getMaximum()  - horzScrollBar.getModel().getExtent();
-            }
-            final JScrollBar vertScrollBar = this.getVerticalScrollBar();
-            if (vertScrollBar.isVisible()) {
-                visible[2] = vertScrollBar.getValue() > 0;
-                visible[3] = vertScrollBar.getValue() < vertScrollBar.getMaximum() - vertScrollBar.getModel().getExtent();
-            }
-            for (int dir = 0; dir < 4; dir++) {
-                updateArrowButton(dir, visible);
-            }
-        }
-    }
-
-    private void updateArrowButton(int dir, boolean[] visible) {
-        ArrowButton arrowButton = arrowButtons[dir];
-        if (!visible[dir]) {
-            if (arrowButton != null) {
-                arrowButton.setVisible(false);
-            }
-            return;
-        }
-
-        //determine bounds of button
-        int x, y, w, h;
-        final int panelWidth = getWidth();
-        final int panelHeight = getHeight();
-        final int arrowButtonSize = 18;
-        final int cornerSize = arrowButtonSize - 1; //make borders line up
-
-        if (dir < 2) { //if button for horizontal scrolling
-            y = 0;
-            h = panelHeight;
-            if (visible[2]) {
-                y += cornerSize;
-                h -= cornerSize;
-            }
-            if (visible[3]) {
-                h -= cornerSize;
-            }
-            x = (dir == 0 ? 0 : panelWidth - arrowButtonSize);
-            w = arrowButtonSize;
-        }
-        else { //if button for vertical scrolling
-            x = 0;
-            w = panelWidth;
-            if (visible[0]) {
-                x += cornerSize;
-                w -= cornerSize;
-            }
-            if (visible[1]) {
-                w -= cornerSize;
-            }
-            y = (dir == 2 ? 0 : panelHeight - arrowButtonSize);
-            h = arrowButtonSize;
-        }
-
-        if (arrowButton == null) {
-            switch (dir) {
-                case 0:
-                    arrowButton = new LeftArrowButton(getHorizontalScrollBar());
-                    break;
-                case 1:
-                    arrowButton = new RightArrowButton(getHorizontalScrollBar());
-                    break;
-                case 2:
-                    arrowButton = new TopArrowButton(getVerticalScrollBar());
-                    break;
-                default:
-                    arrowButton = new BottomArrowButton(getVerticalScrollBar());
-                    break;
-            }
-            arrowButtons[dir] = arrowButton;
-        }
-        //absolutely position button in front of scroll panel
-        arrowButton.setSize(w, h);
-        FAbsolutePositioner.SINGLETON_INSTANCE.show(arrowButton, this, x, y);
-    }
-
-    private abstract class ArrowButton extends FLabel {
-        protected final int arrowSize = 6;
-        private final JScrollBar scrollBar;
-        private final int incrementDirection;
-
-        protected ArrowButton(final JScrollBar scrollBar0, final int incrementDirection0) {
-            super(new FLabel.ButtonBuilder());
-            scrollBar = scrollBar0;
-            incrementDirection = incrementDirection0;
-            timer.setInitialDelay(500); //wait half a second after mouse down before starting timer
-        }
-
-        @Override
-        protected void setPressed(boolean pressed0) {
-            super.setPressed(pressed0);
-            if (pressed0) {
-                scrollBar.setValue(scrollBar.getValue() + scrollBar.getUnitIncrement() * incrementDirection);
-                timer.start();
-            }
-            else {
-                timer.stop();
-            }
-        }
-
-        @Override
-        protected void paintContent(final Graphics2D g, int w, int h, final boolean paintPressedState) {
-            FSkin.setGraphicsColor(g, arrowColor);
-            drawArrow(g);
-        }
-
-        protected abstract void drawArrow(final Graphics g);
-
-        //timer to continue scrollling while mouse remains down
-        final Timer timer = new Timer(50, new ActionListener() {
-            public void actionPerformed(ActionEvent e) {
-                if (!isVisible()) {
-                    //ensure timer stops if button hidden from scrolling to beginning/end (based on incrementDirection)
-                    ((Timer)e.getSource()).stop();
-                    return;
-                }
-                scrollBar.setValue(scrollBar.getValue() + scrollBar.getUnitIncrement() * incrementDirection);
-            }
-        });
-    }
-
-    private class LeftArrowButton extends ArrowButton {
-        public LeftArrowButton(final JScrollBar horzScrollbar) {
-            super(horzScrollbar, -1);
-        }
-
-        @Override
-        protected void drawArrow(final Graphics g) {
-            int x = (getWidth() - arrowSize) / 2;
-            int y2 = getHeight() / 2;
-            int y1 = y2 - 1;
-            for (int i = 0; i < arrowSize; i++) {
-                g.drawLine(x, y1, x, y2);
-                x++;
-                y1--;
-                y2++;
-            }
-        }
-    }
-
-    private class RightArrowButton extends ArrowButton {
-        public RightArrowButton(final JScrollBar horzScrollbar) {
-            super(horzScrollbar, 1);
-        }
-
-        @Override
-        protected void drawArrow(final Graphics g) {
-            int x = (getWidth() + arrowSize) / 2;
-            int y2 = getHeight() / 2;
-            int y1 = y2 - 1;
-            for (int i = 0; i < arrowSize; i++) {
-                g.drawLine(x, y1, x, y2);
-                x--;
-                y1--;
-                y2++;
-            }
-        }
-    }
-
-    private class TopArrowButton extends ArrowButton {
-        public TopArrowButton(final JScrollBar vertScrollbar) {
-            super(vertScrollbar, -1);
-        }
-
-        @Override
-        protected void drawArrow(final Graphics g) {
-            int x2 = getWidth() / 2;
-            int x1 = x2 - 1;
-            int y = (getHeight() - arrowSize) / 2;
-            for (int i = 0; i < arrowSize; i++) {
-                g.drawLine(x1, y, x2, y);
-                x1--;
-                x2++;
-                y++;
-            }
-        }
-    }
-
-    private class BottomArrowButton extends ArrowButton {
-        public BottomArrowButton(final JScrollBar vertScrollbar) {
-            super(vertScrollbar, 1);
-        }
-
-        @Override
-        protected void drawArrow(final Graphics g) {
-            int x2 = getWidth() / 2;
-            int x1 = x2 - 1;
-            int y = (getHeight() + arrowSize) / 2;
-            for (int i = 0; i < arrowSize; i++) {
-                g.drawLine(x1, y, x2, y);
-                x1--;
-                x2++;
-                y--;
-            }
-        }
-    }
-
     //relay certain methods to the inner panel if it has been initialized
     @Override
     public Component add(Component comp) {