Fix for docking JToolBars to JSplitPanes

Lately i've tried docking a tool bar to a split pane.. though I found each time it threw an exception Sad

so heres some code I wrote that fixes this problem

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import java.awt.BorderLayout;
import java.awt.Component;
import javax.swing.JSplitPane;
import javax.swing.JToolBar;

/**
 *
 * @author David
 */
public class MySplitPane
      extends JSplitPane {
   private boolean autoCorrectToolBarOrientation = true;

   public MySplitPane(int newOrientation, boolean newContinuousLayout, Component newLeftComponent, Component newRightComponent) {
      super(newOrientation, newContinuousLayout, newLeftComponent, newRightComponent);
   }

   public MySplitPane(int newOrientation, Component newLeftComponent, Component newRightComponent) {
      super(newOrientation, newLeftComponent, newRightComponent);
   }

   public MySplitPane(int newOrientation, boolean newContinuousLayout) {
      super(newOrientation, newContinuousLayout);
   }

   public MySplitPane(int newOrientation) {
      super(newOrientation);
   }

   public MySplitPane() {
   }

   public boolean isAutoCorrectToolBarOrientation() {
      return autoCorrectToolBarOrientation;
   }

   public void setAutoCorrectToolBarOrientation(boolean autoCorrectToolBarOrientation) {
      this.autoCorrectToolBarOrientation = autoCorrectToolBarOrientation;
   }

   @Override
   protected void addImpl(Component comp, Object constraints, int index) {
      if (comp instanceof JToolBar) {
         if (this.getOrientation() == JSplitPane.HORIZONTAL_SPLIT) {
            if (constraints.equals(BorderLayout.WEST) || constraints.equals(BorderLayout.SOUTH)) {
               constraints = JSplitPane.LEFT;
            } else if (constraints.equals(BorderLayout.EAST) || constraints.equals(BorderLayout.NORTH)) {
               constraints = JSplitPane.RIGHT;
            }
            if (constraints.equals(JSplitPane.LEFT) && super.getLeftComponent() != null) {
               //System.out.println("UNDOCKABLE");
               if (this.getRightComponent() == null) {
                  constraints = JSplitPane.RIGHT;
               } else {
                  return;
               }
            }
            if (constraints.equals(JSplitPane.RIGHT) && super.getRightComponent() != null) {
               //System.out.println("UNDOCKABLE");
               if (this.getLeftComponent() == null) {
                  constraints = JSplitPane.LEFT;
               } else {
                  return;
               }
            }
         } else if (this.getOrientation() == JSplitPane.VERTICAL_SPLIT) {
            if (constraints.equals(BorderLayout.WEST) || constraints.equals(BorderLayout.SOUTH)) {
               constraints = JSplitPane.BOTTOM;
            } else if (constraints.equals(BorderLayout.EAST) || constraints.equals(BorderLayout.NORTH)) {
               constraints = JSplitPane.TOP;
            }
            if (constraints.equals(JSplitPane.TOP) && super.getTopComponent() != null) {
               //System.out.println("UNDOCKABLE");
               if (this.getBottomComponent() == null) {
                  constraints = JSplitPane.BOTTOM;
               } else {
                  return;
               }
            }
            if (constraints.equals(JSplitPane.BOTTOM) && super.getBottomComponent() != null) {
               //System.out.println("UNDOCKABLE");
               if (this.getTopComponent() == null) {
                  constraints = JSplitPane.TOP;
               } else {
                  return;
               }
            }
         }
      }
      //System.out.println("Constraints: " + constraints);
      super.addImpl(comp, constraints, index);
      if (autoCorrectToolBarOrientation) {
         if (comp instanceof JToolBar) {
            if (this.getOrientation() == JSplitPane.HORIZONTAL_SPLIT) {
               ((JToolBar) comp).setOrientation(JToolBar.VERTICAL);
            } else if (this.getOrientation() == JSplitPane.VERTICAL_SPLIT) {
               ((JToolBar) comp).setOrientation(JToolBar.HORIZONTAL);
            }
         }
      }
   }
}

use this class instead of JSplitPane

have fun, and report any problems to me