Java by API/javax.swing/JToggleButton
Содержание
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>