JSplitScrollPane DEMO

import java.awt.BorderLayout;import java.awt.Component;import java.awt.Container;import java.awt.Dimension;import java.awt.Insets;import java.awt.LayoutManager;import java.awt.Rectangle;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JScrollPane;import javax.swing.JSplitPane;import javax.swing.JTable;import javax.swing.ScrollPaneLayout;import javax.swing.SwingUtilities;import javax.swing.UIManager;import javax.swing.table.AbstractTableModel;import javax.swing.table.DefaultTableColumnModel;import javax.swing.table.TableColumnModel;/** * * @author raistlic * @date   Jan 28, 2013 */public class JSplitScrollPane extends JScrollPane {    public static void main(String[] args) {    SwingUtilities.invokeLater(new Runnable() {      @Override      public void run() {        try {          UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());        }        catch(Exception e) {          e.printStackTrace();        }        JFrame f = new JFrame("Test Normal ScrollPane");        TestTableModel tm = new TestTableModel(100, 30);        JTable rowHeader = tm.getRowHeaderTable();        JTable content = tm.getContentTable();        JScrollPane pane = new JSplitScrollPane();        pane.setViewportView(content);        pane.setColumnHeaderView(content.getTableHeader());        pane.setRowHeaderView(rowHeader);        pane.setCorner(JScrollPane.UPPER_LEFT_CORNER, rowHeader.getTableHeader());        f.getContentPane().add(pane, BorderLayout.CENTER);        f.setSize(800, 600);        f.setLocationRelativeTo(null);        f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);        f.setVisible(true);      }    });  }    private final JSplitPane splitPane;  private JPanel left, right;  public JSplitScrollPane() {        super();        splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);    left = new JPanel(this.new RowHeaderLayout());    right = new JPanel(this.new ContentLayout());    splitPane.setLeftComponent(left);    splitPane.setRightComponent(right);    setLayout(new SplitedScrollPaneLayout());        setRowHeader(createViewport());    setColumnHeader(createViewport());    setViewport(createViewport());        left.add(getRowHeader());    right.add(getViewport());    right.add(getColumnHeader());        right.add(getHorizontalScrollBar());    right.add(getVerticalScrollBar());        this.add(splitPane);  }    @Override  public void setCorner(String key, Component corner) {        Component old = getCorner(key);    super.setCorner(key, corner);        if(old != null)      left.remove(old);        if( corner != null ) {            if( key.equals(UPPER_LEFT_CORNER) ||          key.equals(LOWER_LEFT_CORNER) )        left.add(corner);      else        right.add(corner); // probably problematic, just for demo    }      }    private int calculateTopPreferredHeight() {        int result = 0;    Component c = getCorner(UPPER_LEFT_CORNER);    if( c != null )      result = Math.max(result, c.getPreferredSize().height);    c = getCorner(UPPER_RIGHT_CORNER);    if( c != null )      result = Math.max(result, c.getPreferredSize().height);    c = getColumnHeader();    if( c != null )      result = Math.max(result, c.getPreferredSize().height);    return result;  }    private int calculateBottomPreferredHeight() {        int result = 0;    Component c = getHorizontalScrollBar();    result = Math.max(result, c.getPreferredSize().height);    c = getCorner(LOWER_LEFT_CORNER);    if( c != null )      result = Math.max(result, c.getPreferredSize().height);    c = getCorner(LOWER_RIGHT_CORNER);    if( c != null )      result = Math.max(result, c.getPreferredSize().height);    return result;  }    private int calculateCenterPreferredHeight() {        int result = 0;    Component c = getRowHeader();    if( c != null )      result = Math.max(result, c.getPreferredSize().height);    c = getViewport();    if( c != null )      result = Math.max(result, c.getPreferredSize().height);    return result;  }    private int calculateLeftPreferredWidth() {        int result = 0;    Component c = getCorner(UPPER_LEFT_CORNER);    if( c != null )      result = Math.max(result, c.getPreferredSize().width);    c = getCorner(LOWER_LEFT_CORNER);    if( c != null )      result = Math.max(result, c.getPreferredSize().width);    c = getRowHeader();    if( c != null )      result = Math.max(result, c.getPreferredSize().width);    return result;  }    private int calculateCenterPreferredWidth() {        int result = 0;    Component c = getColumnHeader();    if( c != null )      result = Math.max(result, c.getPreferredSize().width);    c = getViewport();    if( c != null )      result = Math.max(result, c.getPreferredSize().width);    return result;  }    private int calculateRightPreferredWidth() {        int result = 0;    Component c = getCorner(UPPER_RIGHT_CORNER);    if( c != null )      result = Math.max(result, c.getPreferredSize().width);    c = getCorner(LOWER_RIGHT_CORNER);    if( c != null )      result = Math.max(result, c.getPreferredSize().width);    c = getVerticalScrollBar();    if( c != null )      result = Math.max(result, c.getPreferredSize().width);    return result;  }    private class RowHeaderLayout implements LayoutManager {    @Override    public void addLayoutComponent(String name, Component comp) {}    @Override    public void removeLayoutComponent(Component comp) {}    @Override    public Dimension preferredLayoutSize(Container parent) {            int top = calculateTopPreferredHeight();      int center = calculateCenterPreferredHeight();      int bottom = calculateBottomPreferredHeight();            int width = calculateLeftPreferredWidth();            return new Dimension(width, top + center + bottom);    }    @Override    public Dimension minimumLayoutSize(Container parent) {            return preferredLayoutSize(parent);    }    @Override    public void layoutContainer(Container parent) {            Rectangle bounds = parent.getBounds();      bounds.x = 0;      bounds.y = 0;      Insets insets = parent.getInsets();      bounds.x += insets.left;      bounds.y += insets.top;      bounds.width -= insets.left + insets.right;      if( bounds.width <= 0 )        return;      bounds.height -= insets.top + insets.bottom;      if( bounds.height <= 0 )        return;            int top = Math.min(calculateTopPreferredHeight(), bounds.height);      Component c = getCorner(UPPER_LEFT_CORNER);      if( c != null )        c.setBounds(bounds.x, bounds.y, bounds.width, top);      bounds.y += top;      bounds.height -= top;      if( bounds.height <= 0 )        return;            int bottom = Math.min(calculateBottomPreferredHeight(), bounds.height);      c = getCorner(LOWER_LEFT_CORNER);      if( c != null )        c.setBounds(bounds.x, bounds.y + bounds.height - bottom, bounds.width, bottom);      bounds.height -= bottom;      if( bounds.height <= 0 )        return;            c = getRowHeader();      if( c != null )        c.setBounds(bounds);    }  }    private class ContentLayout implements LayoutManager {    @Override    public void addLayoutComponent(String name, Component comp) {}    @Override    public void removeLayoutComponent(Component comp) {}    @Override    public Dimension preferredLayoutSize(Container parent) {            int heightTop = calculateTopPreferredHeight();      int heightCenter = calculateCenterPreferredHeight();      int heightBottom = calculateBottomPreferredHeight();            int widthCenter = calculateCenterPreferredWidth();      int widthRight = calculateRightPreferredWidth();            return new Dimension(widthCenter + widthRight,                            heightTop + heightCenter + heightBottom);    }    @Override    public Dimension minimumLayoutSize(Container parent) {            return new Dimension(100, 100);    }    @Override    public void layoutContainer(Container parent) {            Rectangle bounds = parent.getBounds();      bounds.x = 0;      bounds.y = 0;      Insets insets = parent.getInsets();      bounds.x += insets.left;      bounds.y += insets.top;      bounds.width -= insets.left + insets.right;      bounds.height -= insets.top + insets.bottom;      if( bounds.width <= 0 )        return;      if( bounds.height <= 0 )        return;            int rightWidth = Math.min(bounds.width, calculateRightPreferredWidth());      Rectangle right = new Rectangle(              bounds.x + bounds.width - rightWidth, bounds.y, rightWidth, bounds.height);      Rectangle center = new Rectangle(              bounds.x, bounds.y, bounds.width - right.width, bounds.height);      int top = Math.min(bounds.height, calculateTopPreferredHeight());      Component c = getCorner(UPPER_RIGHT_CORNER);      if( c != null )        c.setBounds(right.x, right.y, right.width, top);      c = getColumnHeader();      if( c != null && center.width > 0 )        c.setBounds(center.x, center.y, center.width, top);      right.y += top;      right.height -= top;      center.y += top;      center.height -= top;      if( right.height <= 0 )        return;            int bottom = Math.min(right.height, calculateBottomPreferredHeight());      c = getCorner(LOWER_RIGHT_CORNER);      if( c != null )        c.setBounds(right.x, right.y, right.width, bottom);      getHorizontalScrollBar().setBounds(              center.x, center.y + center.height - bottom, center.width, bottom);      right.height -= bottom;      center.height -= bottom;      if( right.height <= 0 )        return;            getVerticalScrollBar().setBounds(right);      c = getViewport();      if( c != null )        c.setBounds(center);    }  }    private static class SplitedScrollPaneLayout extends ScrollPaneLayout {    @Override    public void addLayoutComponent(String name, Component comp) {}    @Override    public void removeLayoutComponent(Component comp) {}    @Override    public Dimension preferredLayoutSize(Container parent) {            @SuppressWarnings("unchecked")      JSplitScrollPane ssp = (JSplitScrollPane)parent;      return ssp.splitPane.getPreferredSize();    }    @Override    public Dimension minimumLayoutSize(Container parent) {            @SuppressWarnings("unchecked")      JSplitScrollPane ssp = (JSplitScrollPane)parent;      return ssp.splitPane.getMinimumSize();    }    @Override    public void layoutContainer(Container parent) {            @SuppressWarnings("unchecked")      JSplitScrollPane ssp = (JSplitScrollPane)parent;            Rectangle rec = ssp.getBounds();      rec.x = 0;      rec.y = 0;      Insets insets = ssp.getInsets();      rec.x += insets.left;      rec.y += insets.top;      rec.width -= insets.left + insets.right;      rec.height -= insets.top + insets.bottom;            ssp.splitPane.setBounds(rec);    }  }}class TestTableModel extends AbstractTableModel {  private int rows;  private int cols;  private JTable rowHeader;  private JTable content;  TestTableModel(int rows, int cols) {    assert rows > 0;    assert cols > 0;    this.rows = rows;    this.cols = cols;    rowHeader = createRowHeaderTable();    content = createContentTable();    rowHeader.setPreferredScrollableViewportSize(new Dimension(150, 150));    rowHeader.setSelectionModel(content.getSelectionModel());    content.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);  }  JTable getRowHeaderTable() {    return rowHeader;  }  JTable getContentTable() {    return content;  }  @Override  public int getRowCount() {    return rows;  }  @Override  public int getColumnCount() {    return cols + 1;  }  @Override  public Object getValueAt(int rowIndex, int columnIndex) {    if( columnIndex == 0 )      return String.format("Row Header %03d", rowIndex + 1);    else      return String.format("Cell [ %03d, %03d ]", rowIndex + 1, columnIndex);  }  private JTable createRowHeaderTable() {    JTable table = new JTable(this);    TableColumnModel model = new DefaultTableColumnModel();    model.addColumn(table.getColumnModel().getColumn(0));    table.setColumnModel(model);    return table;  }  private JTable createContentTable() {    JTable table = new JTable(this);    TableColumnModel model = table.getColumnModel();    model.removeColumn(model.getColumn(0));    table.setColumnModel(model);    return table;  }}

这里就先不作整理了。