Java by API/javax.swing/JToolBar — различия между версиями

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Версия 17:43, 31 мая 2010

JToolBar: add(JComponent com)

 
import java.awt.BorderLayout;
import javax.swing.Icon;
import javax.swing.JFrame;
import javax.swing.JToggleButton;
import javax.swing.JToolBar;
import javax.swing.plaf.metal.MetalIconFactory;
public class MainClass {
  public static void main(String args[]) {
    JFrame f = new JFrame("JToolBar Sample");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JToolBar toolbar = new JToolBar();
    Icon icon = MetalIconFactory.getFileChooserDetailViewIcon();
    JToggleButton button = new JToggleButton(icon);
    toolbar.add(button);
    icon = MetalIconFactory.getFileChooserHomeFolderIcon();
    button = new JToggleButton(icon);
    toolbar.add(button);
    icon = MetalIconFactory.getFileChooserListViewIcon();
    button = new JToggleButton(icon);
    toolbar.add(button);
    f.add(toolbar, BorderLayout.NORTH);
    f.setSize(300, 100);
    f.setVisible(true);
  }
}





JToolBar: addPropertyChangeListener(PropertyChangeListener listener)

  
import javax.swing.JToolBar;
public class Main {
  public static void main(String[] argv) throws Exception {
    JToolBar toolbar = new JToolBar();
    toolbar.addPropertyChangeListener(new java.beans.PropertyChangeListener() {
      public void propertyChange(java.beans.PropertyChangeEvent evt) {
        String propName = evt.getPropertyName();
        if ("orientation".equals(propName)) {
          Integer oldValue = (Integer) evt.getOldValue();
          Integer newValue = (Integer) evt.getNewValue();
          if (newValue.intValue() == JToolBar.HORIZONTAL) {
            System.out.println("horizontal orientation");
          } else {
            System.out.println("vertical orientation");
          }
        }
      }
    });
  }
}





JToolBar: addSeparator()

 
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.ruponent;
import java.awt.Container;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JToolBar;
import javax.swing.plaf.metal.MetalIconFactory;
public class MainClass {
  public static void main(String[] a) {
    final int STRING_POSITION = 1;
    Object buttonColors[][] = { { Color.RED, "RED" }, { Color.BLUE, "BLUE" },
        { Color.GREEN, "GREEN" }, { Color.BLACK, "BLACK" }, null, // separator
        { Color.CYAN, "CYAN" } };
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    ActionListener actionListener = new TheActionListener();
    JToolBar toolbar = new JToolBar();
    toolbar.setRollover(true);
    for (Object[] color : buttonColors) {
      if (color == null) {
        toolbar.addSeparator();
      } else {
        Icon icon = MetalIconFactory.getTreeComputerIcon();
        JButton button = new JButton(icon);
        button.setActionCommand((String) color[STRING_POSITION]);
        button.addActionListener(actionListener);
        toolbar.add(button);
      }
    }
    Action action = new ShowAction(toolbar);
    JButton button = new JButton(action);
    toolbar.add(button);
    Container contentPane = frame.getContentPane();
    contentPane.add(toolbar, BorderLayout.NORTH);
    JTextArea textArea = new JTextArea();
    JScrollPane pane = new JScrollPane(textArea);
    contentPane.add(pane, BorderLayout.CENTER);
    frame.setSize(350, 150);
    frame.setVisible(true);
  }
  public static class TheActionListener implements ActionListener {
    public void actionPerformed(ActionEvent actionEvent) {
      System.out.println(actionEvent.getActionCommand());
    }
  };
}
class ShowAction extends AbstractAction {
  Component parentComponent;
  public ShowAction(Component parentComponent) {
    super("About");
    putValue(Action.MNEMONIC_KEY, new Integer(KeyEvent.VK_A));
    putValue(Action.SMALL_ICON, MetalIconFactory.getFileChooserHomeFolderIcon());
    this.parentComponent = parentComponent;
  }
  public void actionPerformed(ActionEvent actionEvent) {
        JOptionPane.showMessageDialog(parentComponent, "About Swing",
            "About Box V2.0", JOptionPane.INFORMATION_MESSAGE);
  }
}





JToolBar: getOrientation()

  

import javax.swing.JToolBar;
public class Main {
  public static void main(String[] argv) throws Exception {
    JToolBar toolbar = new JToolBar(null, JToolBar.VERTICAL);
    // Get current orientation
    int orient = toolbar.getOrientation();
  }
}





JToolBar: isFloatable()

  
import javax.swing.JToolBar;
public class Main {
  public static void main(String[] argv) throws Exception {
    // Create a horizontal toolbar
    JToolBar toolbar = new JToolBar();
    // Get current floatability
    boolean b = toolbar.isFloatable();
    // Disable floatability
    toolbar.setFloatable(false);
  }
}





JToolBar: setFloatable(boolean b)

  
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JToolBar;
public class Main {
  public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JToolBar toolBar = new JToolBar("Still draggable");
    toolBar.setFloatable(false);
    toolBar.setRollover(true);
    toolBar.add(new JButton("New"));
    toolBar.addSeparator();
    toolBar.add(new JButton("Open"));
    frame.add(toolBar, "North");
    frame.setSize(300, 200);
    frame.setVisible(true);
  }
}





JToolBar: setRollover(boolean v)

 
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.ruponent;
import java.awt.Container;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JToolBar;
import javax.swing.plaf.metal.MetalIconFactory;
public class MainClass {
  public static void main(String[] a) {
    final int STRING_POSITION = 1;
    Object buttonColors[][] = { { Color.RED, "RED" }, { Color.BLUE, "BLUE" },
        { Color.GREEN, "GREEN" }, { Color.BLACK, "BLACK" }, null, // separator
        { Color.CYAN, "CYAN" } };
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    ActionListener actionListener = new TheActionListener();
    JToolBar toolbar = new JToolBar();
    toolbar.setRollover(true);
    for (Object[] color : buttonColors) {
      if (color == null) {
        toolbar.addSeparator();
      } else {
        Icon icon = MetalIconFactory.getTreeComputerIcon();
        JButton button = new JButton(icon);
        button.setActionCommand((String) color[STRING_POSITION]);
        button.addActionListener(actionListener);
        toolbar.add(button);
      }
    }
    Action action = new ShowAction(toolbar);
    JButton button = new JButton(action);
    toolbar.add(button);
    Container contentPane = frame.getContentPane();
    contentPane.add(toolbar, BorderLayout.NORTH);
    JTextArea textArea = new JTextArea();
    JScrollPane pane = new JScrollPane(textArea);
    contentPane.add(pane, BorderLayout.CENTER);
    frame.setSize(350, 150);
    frame.setVisible(true);
  }
  public static class TheActionListener implements ActionListener {
    public void actionPerformed(ActionEvent actionEvent) {
      System.out.println(actionEvent.getActionCommand());
    }
  };
}
class ShowAction extends AbstractAction {
  Component parentComponent;
  public ShowAction(Component parentComponent) {
    super("About");
    putValue(Action.MNEMONIC_KEY, new Integer(KeyEvent.VK_A));
    putValue(Action.SMALL_ICON, MetalIconFactory.getFileChooserHomeFolderIcon());
    this.parentComponent = parentComponent;
  }
  public void actionPerformed(ActionEvent actionEvent) {
        JOptionPane.showMessageDialog(parentComponent, "About Swing",
            "About Box V2.0", JOptionPane.INFORMATION_MESSAGE);
  }
}