Hide Column Table Example : Grid Table « Swing Components « Java

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Java » Swing Components » Grid TableScreenshots 
Hide Column Table Example
Hide Column Table Example
 
// Example from http://www.crionics.com/products/opensource/faq/swing_ex/SwingExamples.html

/* (swing1.1.1beta2) */

import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.SystemColor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Stack;

import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.ScrollPaneLayout;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import javax.swing.border.AbstractBorder;
import javax.swing.plaf.basic.BasicArrowButton;
import javax.swing.table.JTableHeader;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;

/**
 @version 1.0 05/31/99
 */
public class HideColumnTableExample extends JFrame {

  public HideColumnTableExample() {
    super("HideColumnTable Example");

    JTable table = new JTable(57);
    ColumnButtonScrollPane pane = new ColumnButtonScrollPane(table);
    getContentPane().add(pane);
  }

  public static void main(String[] args) {
    HideColumnTableExample frame = new HideColumnTableExample();
    frame.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        System.exit(0);
      }
    });
    frame.setSize(400100);
    frame.setVisible(true);
  }
}

class ColumnButtonScrollPane extends JScrollPane {
  Component columnButton;

  public ColumnButtonScrollPane(JTable table) {
    super(table);
    TableColumnModel cm = table.getColumnModel();
    LimitedTableHeader header = new LimitedTableHeader(cm);
    table.setTableHeader(header);
    columnButton = createUpperCorner(header);
    setCorner(UPPER_RIGHT_CORNER, columnButton);
    setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_ALWAYS);
    ColumnButtonScrollPaneLayout layout = new ColumnButtonScrollPaneLayout();
    setLayout(layout);
    layout.syncWithScrollPane(this);
  }

  protected Component createUpperCorner(JTableHeader header) {
    ColumnButton corner = new ColumnButton(header);
    return corner;
  }

  public class LimitedTableHeader extends JTableHeader {
    public LimitedTableHeader(TableColumnModel cm) {
      super(cm);
    }

    // actually, this is a not complete way. but easy one.
    // you can see last column painted wider, short time :)
    // If you don't like this kind cheap fake,
    // you have to overwrite the paint method in UI class.
    public void paintComponent(Graphics g) {
      super.paintComponent(g);
      columnButton.repaint();
    }
  }

  public class ColumnButton extends JPanel {
    JTable table;

    TableColumnModel cm;

    JButton revealButton;

    JButton hideButton;

    Stack stack;

    public ColumnButton(JTableHeader header) {
      setLayout(new GridLayout(12));
      setBorder(new LinesBorder(SystemColor.controlShadow, new Insets(0,
          100)));

      stack = new Stack();
      table = header.getTable();
      cm = table.getColumnModel();

      revealButton = createButton(header, SwingConstants.WEST);
      hideButton = createButton(header, SwingConstants.EAST);
      add(revealButton);
      add(hideButton);

      revealButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          TableColumn column = (TableColumnstack.pop();
          cm.addColumn(column);
          if (stack.empty()) {
            revealButton.setEnabled(false);
          }
          hideButton.setEnabled(true);
          table.sizeColumnsToFit(-1);
        }
      });
      hideButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          int n = cm.getColumnCount();
          TableColumn column = cm.getColumn(n - 1);
          stack.push(column);
          cm.removeColumn(column);
          if (n < 3) {
            hideButton.setEnabled(false);
          }
          revealButton.setEnabled(true);
          table.sizeColumnsToFit(-1);
        }
      });

      if (< cm.getColumnCount()) {
        hideButton.setEnabled(true);
      else {
        hideButton.setEnabled(false);
      }
      revealButton.setEnabled(false);
    }

    protected JButton createButton(JTableHeader header, int direction) {
      //int iconHeight = header.getPreferredSize().height - 6;
      int iconHeight = 8;
      JButton button = new JButton();
      button.setIcon(new ArrowIcon(iconHeight, direction, true));
      button.setDisabledIcon(new ArrowIcon(iconHeight, direction, false));
      button.setRequestFocusEnabled(false);
      button.setForeground(header.getForeground());
      button.setBackground(header.getBackground());
      button.setBorder(UIManager.getBorder("TableHeader.cellBorder"));
      return button;
    }
  }
}

class ColumnButtonScrollPaneLayout extends ScrollPaneLayout {

  public ColumnButtonScrollPaneLayout() {
    super.setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_ALWAYS);
  }

  public void setVerticalScrollBarPolicy(int x) {
    // VERTICAL_SCROLLBAR_ALWAYS
    super.setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_ALWAYS);
  }

  public void layoutContainer(Container parent) {
    super.layoutContainer(parent);

    if ((colHead == null|| (!colHead.isVisible()) || (upperRight == null)
        || (vsb == null)) {
      return;
    }

    Rectangle vsbR = new Rectangle(0000);
    vsbR = vsb.getBounds(vsbR);

    Rectangle colHeadR = new Rectangle(0000);
    colHeadR = colHead.getBounds(colHeadR);
    colHeadR.width -= vsbR.width;
    colHead.getBounds(colHeadR);

    Rectangle upperRightR = upperRight.getBounds();
    upperRightR.x -= vsbR.width;
    upperRightR.width += vsbR.width + 1;
    upperRight.setBounds(upperRightR);
  }
}

class LinesBorder extends AbstractBorder implements SwingConstants {
  protected int northThickness;

  protected int southThickness;

  protected int eastThickness;

  protected int westThickness;

  protected Color northColor;

  protected Color southColor;

  protected Color eastColor;

  protected Color westColor;

  public LinesBorder(Color color) {
    this(color, 1);
  }

  public LinesBorder(Color color, int thickness) {
    setColor(color);
    setThickness(thickness);
  }

  public LinesBorder(Color color, Insets insets) {
    setColor(color);
    setThickness(insets);
  }

  public void paintBorder(Component c, Graphics g, int x, int y, int width,
      int height) {
    Color oldColor = g.getColor();

    g.setColor(northColor);
    for (int i = 0; i < northThickness; i++) {
      g.drawLine(x, y + i, x + width - 1, y + i);
    }
    g.setColor(southColor);
    for (int i = 0; i < southThickness; i++) {
      g
          .drawLine(x, y + height - i - 1, x + width - 1, y + height
              - i - 1);
    }
    g.setColor(eastColor);
    for (int i = 0; i < westThickness; i++) {
      g.drawLine(x + i, y, x + i, y + height - 1);
    }
    g.setColor(westColor);
    for (int i = 0; i < eastThickness; i++) {
      g.drawLine(x + width - i - 1, y, x + width - i - 1, y + height - 1);
    }

    g.setColor(oldColor);
  }

  public Insets getBorderInsets(Component c) {
    return new Insets(northThickness, westThickness, southThickness,
        eastThickness);
  }

  public Insets getBorderInsets(Component c, Insets insets) {
    return new Insets(northThickness, westThickness, southThickness,
        eastThickness);
  }

  public boolean isBorderOpaque() {
    return true;
  }

  public void setColor(Color c) {
    northColor = c;
    southColor = c;
    eastColor = c;
    westColor = c;
  }

  public void setColor(Color c, int direction) {
    switch (direction) {
    case NORTH:
      northColor = c;
      break;
    case SOUTH:
      southColor = c;
      break;
    case EAST:
      eastColor = c;
      break;
    case WEST:
      westColor = c;
      break;
    default:
    }
  }

  public void setThickness(int n) {
    northThickness = n;
    southThickness = n;
    eastThickness = n;
    westThickness = n;
  }

  public void setThickness(Insets insets) {
    northThickness = insets.top;
    southThickness = insets.bottom;
    eastThickness = insets.right;
    westThickness = insets.left;
  }

  public void setThickness(int n, int direction) {
    switch (direction) {
    case NORTH:
      northThickness = n;
      break;
    case SOUTH:
      southThickness = n;
      break;
    case EAST:
      eastThickness = n;
      break;
    case WEST:
      westThickness = n;
      break;
    default:
    }
  }

  public void append(LinesBorder b, boolean isReplace) {
    if (isReplace) {
      northThickness = b.northThickness;
      southThickness = b.southThickness;
      eastThickness = b.eastThickness;
      westThickness = b.westThickness;
    else {
      northThickness = Math.max(northThickness, b.northThickness);
      southThickness = Math.max(southThickness, b.southThickness);
      eastThickness = Math.max(eastThickness, b.eastThickness);
      westThickness = Math.max(westThickness, b.westThickness);
    }
  }

  public void append(Insets insets, boolean isReplace) {
    if (isReplace) {
      northThickness = insets.top;
      southThickness = insets.bottom;
      eastThickness = insets.right;
      westThickness = insets.left;
    else {
      northThickness = Math.max(northThickness, insets.top);
      southThickness = Math.max(southThickness, insets.bottom);
      eastThickness = Math.max(eastThickness, insets.right);
      westThickness = Math.max(westThickness, insets.left);
    }
  }

}

class ArrowIcon implements Icon, SwingConstants {
  private static final int DEFAULT_SIZE = 11;

  //private static final int DEFAULT_SIZE = 5;

  private int size;

  private int iconSize;

  private int direction;

  private boolean isEnabled;

  private BasicArrowButton iconRenderer;

  public ArrowIcon(int direction, boolean isPressedView) {
    this(DEFAULT_SIZE, direction, isPressedView);
  }

  public ArrowIcon(int iconSize, int direction, boolean isEnabled) {
    this.size = iconSize / 2;
    this.iconSize = iconSize;
    this.direction = direction;
    this.isEnabled = isEnabled;
    iconRenderer = new BasicArrowButton(direction);
  }

  public void paintIcon(Component c, Graphics g, int x, int y) {
    iconRenderer.paintTriangle(g, x, y, size, direction, isEnabled);
  }

  public int getIconWidth() {
    //int retCode;
    switch (direction) {
    case NORTH:
    case SOUTH:
      return iconSize;
    case EAST:
    case WEST:
      return size;
    }
    return iconSize;
  }

  public int getIconHeight() {
    switch (direction) {
    case NORTH:
    case SOUTH:
      return size;
    case EAST:
    case WEST:
      return iconSize;
    }
    return size;
  }
}

           
         
  
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