Component TitledPane Example 2 : Border « Swing Components « Java






Component TitledPane Example 2

Component TitledPane Example 2
// Example from http://www.crionics.com/products/opensource/faq/swing_ex/SwingExamples.html

/* (swing1.1.1) */


import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.border.TitledBorder;

/**
 * @version 1.0 08/12/99
 */
public class CompTitledPaneExample2 extends JFrame {

  public CompTitledPaneExample2() {
    super("CompTitledPaneExample2");
    JCheckBox title = new JCheckBox("Title");
    title.setSelected(true);
    final CompTitledPane p1 = new CompTitledPane(title);
    title.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        p1.setEnabled(e.getStateChange() == ItemEvent.SELECTED);
      }
    });
    APanel p2 = new APanel();
    p1.setTransmittingAllowed(true);
    p1.setTransmitter(p2);
    p1.getContentPane().add(p2);
    getContentPane().add(p1, BorderLayout.CENTER);
  }

  class APanel extends JPanel implements StateTransmitter {
    JButton button;

    JTextField textField;

    APanel() {
      button = new JButton("abc");
      button.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          System.out.println("Ouch!");
        }
      });
      textField = new JTextField(10);
      textField.setText("text");
      add(button, BorderLayout.NORTH);
      add(textField, BorderLayout.SOUTH);
    }

    public void setChildrenEnabled(boolean enable) {
      button.setEnabled(enable);
      textField.setEnabled(enable);
    }
  }

  public static void main(String args[]) {
    try {
        UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
    } catch (Exception evt) {}
  
    CompTitledPaneExample2 frame = new CompTitledPaneExample2();
    frame.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        System.exit(0);
      }
    });
    frame.setSize(280, 110);
    frame.setVisible(true);
  }
}

class CompTitledPane extends JPanel {
  protected CompTitledBorder border;

  protected JComponent component;

  protected JPanel panel;

  protected boolean transmittingAllowed;

  protected StateTransmitter transmitter;

  public CompTitledPane() {
    this(new JLabel("Title"));
    // debug
    // JLabel label = (JLabel)getTitleComponent();
    // label.setOpaque(true);
    // label.setBackground(Color.yellow);
  }

  public CompTitledPane(JComponent component) {
    this.component = component;
    border = new CompTitledBorder(component);
    setBorder(border);
    panel = new JPanel();
    setLayout(null);
    add(component);
    add(panel);
    transmittingAllowed = false;
    transmitter = null;
  }

  public JComponent getTitleComponent() {
    return component;
  }

  public void setTitleComponent(JComponent newComponent) {
    remove(component);
    add(newComponent);
    border.setTitleComponent(newComponent);
    component = newComponent;
  }

  public JPanel getContentPane() {
    return panel;
  }

  public void doLayout() {
    Insets insets = getInsets();
    Rectangle rect = getBounds();
    rect.x = 0;
    rect.y = 0;

    Rectangle compR = border.getComponentRect(rect, insets);
    component.setBounds(compR);
    rect.x += insets.left;
    rect.y += insets.top;
    rect.width -= insets.left + insets.right;
    rect.height -= insets.top + insets.bottom;
    panel.setBounds(rect);
  }

  public void setTransmittingAllowed(boolean enable) {
    transmittingAllowed = enable;
  }

  public boolean getTransmittingAllowed() {
    return transmittingAllowed;
  }

  public void setTransmitter(StateTransmitter transmitter) {
    this.transmitter = transmitter;
  }

  public StateTransmitter getTransmitter() {
    return transmitter;
  }

  public void setEnabled(boolean enable) {
    super.setEnabled(enable);
    if (transmittingAllowed && transmitter != null) {
      transmitter.setChildrenEnabled(enable);
    }
  }

}

interface StateTransmitter {

  public void setChildrenEnabled(boolean enable);

}

class CompTitledBorder extends TitledBorder {
  protected JComponent component;

  public CompTitledBorder(JComponent component) {
    this(null, component, LEFT, TOP);
  }

  public CompTitledBorder(Border border) {
    this(border, null, LEFT, TOP);
  }

  public CompTitledBorder(Border border, JComponent component) {
    this(border, component, LEFT, TOP);
  }

  public CompTitledBorder(Border border, JComponent component,
      int titleJustification, int titlePosition) {
    super(border, null, titleJustification, titlePosition, null, null);
    this.component = component;
    if (border == null) {
      this.border = super.getBorder();
    }
  }

  public void paintBorder(Component c, Graphics g, int x, int y, int width,
      int height) {
    Rectangle borderR = new Rectangle(x + EDGE_SPACING, y + EDGE_SPACING,
        width - (EDGE_SPACING * 2), height - (EDGE_SPACING * 2));
    Insets borderInsets;
    if (border != null) {
      borderInsets = border.getBorderInsets(c);
    } else {
      borderInsets = new Insets(0, 0, 0, 0);
    }

    Rectangle rect = new Rectangle(x, y, width, height);
    Insets insets = getBorderInsets(c);
    Rectangle compR = getComponentRect(rect, insets);
    int diff;
    switch (titlePosition) {
    case ABOVE_TOP:
      diff = compR.height + TEXT_SPACING;
      borderR.y += diff;
      borderR.height -= diff;
      break;
    case TOP:
    case DEFAULT_POSITION:
      diff = insets.top / 2 - borderInsets.top - EDGE_SPACING;
      borderR.y += diff;
      borderR.height -= diff;
      break;
    case BELOW_TOP:
    case ABOVE_BOTTOM:
      break;
    case BOTTOM:
      diff = insets.bottom / 2 - borderInsets.bottom - EDGE_SPACING;
      borderR.height -= diff;
      break;
    case BELOW_BOTTOM:
      diff = compR.height + TEXT_SPACING;
      borderR.height -= diff;
      break;
    }
    border.paintBorder(c, g, borderR.x, borderR.y, borderR.width,
        borderR.height);
    Color col = g.getColor();
    g.setColor(c.getBackground());
    g.fillRect(compR.x, compR.y, compR.width, compR.height);
    g.setColor(col);
    component.repaint();
  }

  public Insets getBorderInsets(Component c, Insets insets) {
    Insets borderInsets;
    if (border != null) {
      borderInsets = border.getBorderInsets(c);
    } else {
      borderInsets = new Insets(0, 0, 0, 0);
    }
    insets.top = EDGE_SPACING + TEXT_SPACING + borderInsets.top;
    insets.right = EDGE_SPACING + TEXT_SPACING + borderInsets.right;
    insets.bottom = EDGE_SPACING + TEXT_SPACING + borderInsets.bottom;
    insets.left = EDGE_SPACING + TEXT_SPACING + borderInsets.left;

    if (c == null || component == null) {
      return insets;
    }

    int compHeight = 0;
    if (component != null) {
      compHeight = component.getPreferredSize().height;
    }

    switch (titlePosition) {
    case ABOVE_TOP:
      insets.top += compHeight + TEXT_SPACING;
      break;
    case TOP:
    case DEFAULT_POSITION:
      insets.top += Math.max(compHeight, borderInsets.top)
          - borderInsets.top;
      break;
    case BELOW_TOP:
      insets.top += compHeight + TEXT_SPACING;
      break;
    case ABOVE_BOTTOM:
      insets.bottom += compHeight + TEXT_SPACING;
      break;
    case BOTTOM:
      insets.bottom += Math.max(compHeight, borderInsets.bottom)
          - borderInsets.bottom;
      break;
    case BELOW_BOTTOM:
      insets.bottom += compHeight + TEXT_SPACING;
      break;
    }
    return insets;
  }

  public JComponent getTitleComponent() {
    return component;
  }

  public void setTitleComponent(JComponent component) {
    this.component = component;
  }

  public Rectangle getComponentRect(Rectangle rect, Insets borderInsets) {
    Dimension compD = component.getPreferredSize();
    Rectangle compR = new Rectangle(0, 0, compD.width, compD.height);
    switch (titlePosition) {
    case ABOVE_TOP:
      compR.y = EDGE_SPACING;
      break;
    case TOP:
    case DEFAULT_POSITION:
      compR.y = EDGE_SPACING
          + (borderInsets.top - EDGE_SPACING - TEXT_SPACING - compD.height)
          / 2;
      break;
    case BELOW_TOP:
      compR.y = borderInsets.top - compD.height - TEXT_SPACING;
      break;
    case ABOVE_BOTTOM:
      compR.y = rect.height - borderInsets.bottom + TEXT_SPACING;
      break;
    case BOTTOM:
      compR.y = rect.height
          - borderInsets.bottom
          + TEXT_SPACING
          + (borderInsets.bottom - EDGE_SPACING - TEXT_SPACING - compD.height)
          / 2;
      break;
    case BELOW_BOTTOM:
      compR.y = rect.height - compD.height - EDGE_SPACING;
      break;
    }
    switch (titleJustification) {
    case LEFT:
    case DEFAULT_JUSTIFICATION:
      compR.x = TEXT_INSET_H + borderInsets.left;
      break;
    case RIGHT:
      compR.x = rect.width - borderInsets.right - TEXT_INSET_H
          - compR.width;
      break;
    case CENTER:
      compR.x = (rect.width - compR.width) / 2;
      break;
    }
    return compR;
  }

}
           
       








Related examples in the same category

1.Add decorators to swing componentAdd decorators to swing component
2.DropDown Shadow BorderDropDown Shadow Border
3.Shadows for ButtonShadows for Button
4.Shadows for ImageShadows for Image
5.Shadows for PanelShadows for Panel
6.Shadows for LabelShadows for Label
7.Swing transparent componentSwing transparent component
8.Shadows for TextFieldShadows for TextField
9.Shadows for ComboBoxShadows for ComboBox
10.Shadows for TextArea
11.Shadows for ListShadows for List
12.Component TitledPane Example 1Component TitledPane Example 1
13.Component TitledPane Example 3Component TitledPane Example 3