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Java Swing JTabbedPane

2023-04-27 18:31 SWING教程

Java Swing教程 - Java Swing JTabbedPane

Java Swing教程 - Java Swing字体...

我们可以使用标题，图标或两者来显示标签。

我们可以使用标题，图标或两者来显示标签。...

getTabCount()方法返回JTabbedPane中的选项卡数。

getTabCount()方法返回JTabbedPane中的选项卡数。...

我们可以使用它的索引来获取表示选项卡的组件。

JPanel contactsPanel  = tabbedPane.getTabComponentAt(1);

添加和删除选项卡

我们可以使用它的索引来获取表示选项卡的组件。...

public void addTab(String title, Component component)
public void addTab(String title, Icon icon, Component component)
public void addTab(String title, Icon icon, Component component, String tip)
public void insertTab(String title, Icon icon, Component component, String tip, int index)

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.KeyEvent;
//from w  w w . j a v a2 s. c  o  m
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTabbedPane;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class Main {
  static Color colors[] = { Color.RED, Color.ORANGE, Color.YELLOW, Color.GREEN, Color.BLUE,
      Color.MAGENTA };

  static void add(JTabbedPane tabbedPane, String label) {
    int count = tabbedPane.getTabCount();
    JButton button = new JButton(label);
    button.setBackground(colors[count]);
    tabbedPane.addTab(label, new ImageIcon("yourFile.gif"), button, label);
  }

  public static void main(String args[]) {
    JFrame frame = new JFrame("Tabbed Pane Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTabbedPane tabbedPane = new JTabbedPane();
    tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
    String titles[] = { "A", "B", "C", "D", "E", "F" };
    for (int i = 0, n = titles.length; i < n; i++) {
      add(tabbedPane, titles[i]);
    }

    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
  }
}

指定标签的位置:TOP，BOTTOM，LEFT或RIGHT

import java.awt.BorderLayout;
import java.awt.event.KeyEvent;
//from  w ww  .ja  va  2  s  . c  o  m
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTabbedPane;

public class TabLocation {
  static void add(JTabbedPane tabbedPane, String label, int mnemonic) {
    int count = tabbedPane.getTabCount();
    JButton button = new JButton(label);
    tabbedPane.addTab(label, new ImageIcon("yourFile.gif"), button, label);
    tabbedPane.setMnemonicAt(count, mnemonic);
  }

  public static void main(String args[]) {

    JFrame frame = new JFrame("Tabbed Pane Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTabbedPane tabbedPane = new JTabbedPane();

    String titles[] = { "General", "Security", "Content", "Connection", "Programs", "Advanced" };
    int mnemonic[] = { KeyEvent.VK_G, KeyEvent.VK_S, KeyEvent.VK_C, KeyEvent.VK_O, KeyEvent.VK_P,
        KeyEvent.VK_A };
    for (int i = 0, n = titles.length; i < n; i++) {
      add(tabbedPane, titles[i], mnemonic[i]);
    }

    tabbedPane.setTabPlacement(JTabbedPane.BOTTOM);
    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
  }
}

改变背景，前景和图标

我们可以使用以下方法更改背景颜色，启用禁用选项卡。

public void setBackgroundAt(int index, Color background)
public void setForegroundAt(int index, Color foreground)
public void setEnabledAt(int index, boolean enabled)
public void setDisabledIconAt(int index, Icon disabledIcon)

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.KeyEvent;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTabbedPane;

public class Main {
  static Color colors[] = { Color.RED, Color.ORANGE, Color.YELLOW, Color.GREEN, Color.BLUE,
      Color.MAGENTA };

  static void add(JTabbedPane tabbedPane, String label, int mnemonic) {
    int count = tabbedPane.getTabCount();
    JButton button = new JButton(label);
    tabbedPane.addTab(label, new ImageIcon("yourFile.gif"), button, label);
    tabbedPane.setMnemonicAt(count, mnemonic);
  }

  public static void main(String args[]) {
    JFrame frame = new JFrame("Tabbed Pane Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTabbedPane tabbedPane = new JTabbedPane();
    String titles[] = { "General", "Security", "Content", "Connection", "Programs", "Advanced" };
    int mnemonic[] = { KeyEvent.VK_G, KeyEvent.VK_S, KeyEvent.VK_C, KeyEvent.VK_O, KeyEvent.VK_P,
        KeyEvent.VK_A };
    for (int i = 0, n = titles.length; i < n; i++) {
      add(tabbedPane, titles[i], mnemonic[i]);
      tabbedPane.setBackgroundAt(i,colors[i]);
    }
    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
  }
}

删除标签

要删除选项卡，您可以使用删除特定选项卡removeTabAt(int index)，remove(int index)或remove(Component component)

使用removeAll()删除所有选项卡

import java.awt.BorderLayout;
import java.awt.event.KeyEvent;
//w  w  w.  j  av a 2s .c o  m
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTabbedPane;

public class Main {

  static void add(JTabbedPane tabbedPane, String label, int mnemonic) {
    int count = tabbedPane.getTabCount();
    JButton button = new JButton(label);
    tabbedPane.addTab(label, new ImageIcon("yourFile.gif"), button, label);
    tabbedPane.setMnemonicAt(count, mnemonic);
  }

  public static void main(String args[]) {
    JFrame frame = new JFrame("Tabbed Pane Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTabbedPane tabbedPane = new JTabbedPane();
    tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
    String titles[] = { "General", "Security", "Content", "Connection", "Programs", "Advanced" };
    int mnemonic[] = { KeyEvent.VK_G, KeyEvent.VK_S, KeyEvent.VK_C, KeyEvent.VK_O, KeyEvent.VK_P,
        KeyEvent.VK_A };
    for (int i = 0, n = titles.length; i < n; i++) {
      add(tabbedPane, titles[i], mnemonic[i]);
    }

    tabbedPane.removeAll();
    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
  }
}

侦听所选标签更改

import java.awt.BorderLayout;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTabbedPane;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class TabSample {
  static void add(JTabbedPane tabbedPane, String label) {
    JButton button = new JButton(label);
    tabbedPane.addTab(label, button);
  }

  public static void main(String args[]) {
    JFrame frame = new JFrame("Tabbed Pane Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTabbedPane tabbedPane = new JTabbedPane();

    String titles[] = { "General", "Security", "Content", "Connection", "Programs", "Advanced" };
    for (int i = 0, n = titles.length; i < n; i++) {
      add(tabbedPane, titles[i]);
    }

    ChangeListener changeListener = new ChangeListener() {
      public void stateChanged(ChangeEvent changeEvent) {
        JTabbedPane sourceTabbedPane = (JTabbedPane) changeEvent.getSource();
        int index = sourceTabbedPane.getSelectedIndex();
        System.out.println("Tab changed to: " + sourceTabbedPane.getTitleAt(index));
      }
    };
    tabbedPane.addChangeListener(changeListener);
    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
  }
}

侦听所选标签更改...

import java.awt.BorderLayout;
//w  w w. ja va 2 s . c om
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTabbedPane;

public class TabSampleTabLayoutPolicy {
  static void add(JTabbedPane tabbedPane, String label) {
    JButton button = new JButton(label);
    tabbedPane.addTab(label, button);
  }

  public static void main(String args[]) {
    JFrame frame = new JFrame("Tabbed Pane Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTabbedPane tabbedPane = new JTabbedPane();
    tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
    String titles[] = { "General", "Security", "Content", "Connection", "Programs", "Advanced" };
    for (int i = 0, n = titles.length; i < n; i++) {
      add(tabbedPane, titles[i]);
    }

    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
  }
}

将组件添加到JTabbedPane

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;

public class JDK6TabbedPaneExample {

  private JFrame frame = new JFrame();

  private JTabbedPane tabbedPane = new JTabbedPane();

  private JButton addTabButton = new JButton("Add Tab");

  private ImageIcon closeXIcon = new ImageIcon("C:/CloseX.gif");

  private Dimension closeButtonSize;

  private int tabCounter = 0;

  public JDK6TabbedPaneExample() {

    addTabButton.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        add();
        
      }
      
    });
    closeButtonSize = new Dimension(closeXIcon.getIconWidth() + 2, closeXIcon.getIconHeight() + 2);

    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.add(addTabButton, BorderLayout.SOUTH);

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    frame.pack();
    frame.setMinimumSize(new Dimension(300, 300));
    frame.setVisible(true);

  }

  public void add() {
    final JPanel content = new JPanel();
    JPanel tab = new JPanel();
    tab.setOpaque(false);

    JLabel tabLabel = new JLabel("Tab " + (++tabCounter));

    JButton tabCloseButton = new JButton(closeXIcon);
    tabCloseButton.setPreferredSize(closeButtonSize);
    tabCloseButton.addActionListener(new ActionListener() {

      public void actionPerformed(ActionEvent e) {
        int closeTabNumber = tabbedPane.indexOfComponent(content);
        tabbedPane.removeTabAt(closeTabNumber);
      }
    });

    tab.add(tabLabel, BorderLayout.WEST);
    tab.add(tabCloseButton, BorderLayout.EAST);

    tabbedPane.addTab(null, content);
    tabbedPane.setTabComponentAt(tabbedPane.getTabCount() - 1, tab);
  }

  public static void main(String[] args) {
    JDK6TabbedPaneExample main = new JDK6TabbedPaneExample();
  }

}

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