в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

Admin: 1 версия

2010-05-31T14:18:36Z

1 версия

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== JToggleButton: addActionListener(ActionListener l) ==



<source lang="java">
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.JToggleButton;
public class MainClass {
public static void main(String[] args) {
JToggleButton jtb = new JToggleButton("Press Me");
jtb.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
System.out.println("ActionEvent!");
}
});
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container c = f.getContentPane();
c.setLayout(new FlowLayout());
c.add(jtb);
f.pack();
f.setVisible(true);
}
}

</source>



== JToggleButton: addChangeListener(ChangeListener) ==



<source lang="java">

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.AbstractButton;
import javax.swing.ButtonModel;
import javax.swing.JFrame;
import javax.swing.JToggleButton;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class MainClass {
public static void main(String[] a) {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JToggleButton toggleButton = new JToggleButton("Selected");
ActionListener actionListener = new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
AbstractButton abstractButton = (AbstractButton) actionEvent.getSource();
boolean selected = abstractButton.getModel().isSelected();
System.out.println("Action - selected=" + selected + "\n");
}
};
ChangeListener changeListener = new ChangeListener() {
public void stateChanged(ChangeEvent changeEvent) {
AbstractButton abstractButton = (AbstractButton) changeEvent.getSource();
ButtonModel buttonModel = abstractButton.getModel();
boolean armed = buttonModel.isArmed();
boolean pressed = buttonModel.isPressed();
boolean selected = buttonModel.isSelected();
System.out.println("Changed: " + armed + "/" + pressed + "/" + selected);
}
};

ItemListener itemListener = new ItemListener() {
public void itemStateChanged(ItemEvent itemEvent) {
int state = itemEvent.getStateChange();
if (state == ItemEvent.SELECTED) {
System.out.println("Selected");
} else {
System.out.println("Deselected");
}
}
};
toggleButton.addActionListener(actionListener);
toggleButton.addChangeListener(changeListener);
toggleButton.addItemListener(itemListener);
frame.add(toggleButton, BorderLayout.NORTH);
JToggleButton toggleButton2 = new JToggleButton("Focused");
frame.add(toggleButton2, BorderLayout.CENTER);
JToggleButton toggleButton3 = new JToggleButton("Not Selected");
frame.add(toggleButton3, BorderLayout.SOUTH);
frame.setSize(300, 125);
frame.setVisible(true);
}
}

</source>



== JToggleButton: addItemListener(ItemListener lis) ==



<source lang="java">
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.AbstractButton;
import javax.swing.ButtonModel;
import javax.swing.JFrame;
import javax.swing.JToggleButton;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class MainClass {
public static void main(String[] a) {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JToggleButton toggleButton = new JToggleButton("Selected");
ActionListener actionListener = new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
AbstractButton abstractButton = (AbstractButton) actionEvent.getSource();
boolean selected = abstractButton.getModel().isSelected();
System.out.println("Action - selected=" + selected + "\n");
}
};
ChangeListener changeListener = new ChangeListener() {
public void stateChanged(ChangeEvent changeEvent) {
AbstractButton abstractButton = (AbstractButton) changeEvent.getSource();
ButtonModel buttonModel = abstractButton.getModel();
boolean armed = buttonModel.isArmed();
boolean pressed = buttonModel.isPressed();
boolean selected = buttonModel.isSelected();
System.out.println("Changed: " + armed + "/" + pressed + "/" + selected);
}
};

ItemListener itemListener = new ItemListener() {
public void itemStateChanged(ItemEvent itemEvent) {
int state = itemEvent.getStateChange();
if (state == ItemEvent.SELECTED) {
System.out.println("Selected");
} else {
System.out.println("Deselected");
}
}
};
toggleButton.addActionListener(actionListener);
toggleButton.addChangeListener(changeListener);
toggleButton.addItemListener(itemListener);
frame.add(toggleButton, BorderLayout.NORTH);
JToggleButton toggleButton2 = new JToggleButton("Focused");
frame.add(toggleButton2, BorderLayout.CENTER);
JToggleButton toggleButton3 = new JToggleButton("Not Selected");
frame.add(toggleButton3, BorderLayout.SOUTH);
frame.setSize(300, 125);
frame.setVisible(true);
}
}

</source>



== new JToggleButton(String text) ==



<source lang="java">
import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JToggleButton;
public class MainClass {
public static void main(String args[]) {
JFrame f = new JFrame("JToggleButton Sample");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(new JToggleButton("North"), BorderLayout.NORTH);
f.add(new JToggleButton("East"), BorderLayout.EAST);
f.add(new JToggleButton("West"), BorderLayout.WEST);
f.add(new JToggleButton("Center"), BorderLayout.CENTER);
f.add(new JToggleButton("South"), BorderLayout.SOUTH);
f.setSize(300, 200);
f.setVisible(true);
}
}

</source>

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Java by API/javax.swing/JToggleButton - История изменений

в 17:43, 31 мая 2010

Admin: 1 версия