JSlider
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package corejavaI.layout;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.util.Dictionary;
import java.util.Hashtable;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.JTextField;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class SliderTest {
public static void main(String[] args) {
JFrame frame = new SliderFrame();
frame.setSize(400, 500);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}
class SliderFrame extends JFrame{
private JPanel sliderPanel;
private JTextField textField;
private ChangeListener listener;
public SliderFrame(){
sliderPanel = new JPanel();
sliderPanel.setLayout(new GridBagLayout());
listener = new ChangeListener() {
public void stateChanged(ChangeEvent e) {
// TODO Auto-generated method stub
JSlider source = (JSlider) e.getSource();
textField.setText("" + source.getValue());
}
};
JSlider slider = new JSlider();
addSlider(slider, "Plain");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
addSlider(slider, "Ticks");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setSnapToTicks(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
addSlider(slider, "Snap to ticks");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
slider.setPaintTrack(false);
addSlider(slider, "No track");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
slider.setInverted(true);
addSlider(slider, "Inverted");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setPaintLabels(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
addSlider(slider, "Labels");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setPaintLabels(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
Dictionary<Integer, Component> labelTable = new Hashtable<Integer, Component>();
labelTable.put(0, new JLabel("A"));
labelTable.put(20, new JLabel("B"));
labelTable.put(40, new JLabel("C"));
labelTable.put(60, new JLabel("D"));
labelTable.put(80, new JLabel("E"));
labelTable.put(100, new JLabel("F"));
slider.setLabelTable(labelTable);
addSlider(slider, "Custom labels");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setPaintLabels(true);
slider.setSnapToTicks(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(20);
labelTable = new Hashtable<Integer, Component>();
labelTable.put(0, new JLabel(new ImageIcon("logo.jpg")));
labelTable.put(20, new JLabel(new ImageIcon("logo.jpg")));
labelTable.put(40, new JLabel(new ImageIcon("logo.jpg")));
labelTable.put(60, new JLabel(new ImageIcon("logo.jpg")));
labelTable.put(80, new JLabel(new ImageIcon("logo.jpg")));
labelTable.put(100, new JLabel(new ImageIcon("logo.jpg")));
slider.setLabelTable(labelTable);
addSlider(slider, "Icon labels");
textField = new JTextField();
add(sliderPanel, BorderLayout.CENTER);
add(textField, BorderLayout.SOUTH);
pack();
}
public void addSlider(JSlider s, String description){
s.addChangeListener(listener);
JPanel panel = new JPanel();
panel.add(s);
panel.add(new JLabel(description));
panel.setAlignmentX(Component.LEFT_ALIGNMENT);
panel.setBorder(BorderFactory.createEtchedBorder(Color.RED, Color.BLUE));
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridy = sliderPanel.getComponentCount();
gbc.anchor = GridBagConstraints.WEST;
sliderPanel.add(panel, gbc);
}
}
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.util.Dictionary;
import java.util.Hashtable;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.JTextField;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class SliderTest {
public static void main(String[] args) {
JFrame frame = new SliderFrame();
frame.setSize(400, 500);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}
class SliderFrame extends JFrame{
private JPanel sliderPanel;
private JTextField textField;
private ChangeListener listener;
public SliderFrame(){
sliderPanel = new JPanel();
sliderPanel.setLayout(new GridBagLayout());
listener = new ChangeListener() {
public void stateChanged(ChangeEvent e) {
// TODO Auto-generated method stub
JSlider source = (JSlider) e.getSource();
textField.setText("" + source.getValue());
}
};
JSlider slider = new JSlider();
addSlider(slider, "Plain");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
addSlider(slider, "Ticks");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setSnapToTicks(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
addSlider(slider, "Snap to ticks");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
slider.setPaintTrack(false);
addSlider(slider, "No track");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
slider.setInverted(true);
addSlider(slider, "Inverted");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setPaintLabels(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
addSlider(slider, "Labels");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setPaintLabels(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
Dictionary<Integer, Component> labelTable = new Hashtable<Integer, Component>();
labelTable.put(0, new JLabel("A"));
labelTable.put(20, new JLabel("B"));
labelTable.put(40, new JLabel("C"));
labelTable.put(60, new JLabel("D"));
labelTable.put(80, new JLabel("E"));
labelTable.put(100, new JLabel("F"));
slider.setLabelTable(labelTable);
addSlider(slider, "Custom labels");
slider = new JSlider();
slider.setPaintTicks(true);
slider.setPaintLabels(true);
slider.setSnapToTicks(true);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(20);
labelTable = new Hashtable<Integer, Component>();
labelTable.put(0, new JLabel(new ImageIcon("logo.jpg")));
labelTable.put(20, new JLabel(new ImageIcon("logo.jpg")));
labelTable.put(40, new JLabel(new ImageIcon("logo.jpg")));
labelTable.put(60, new JLabel(new ImageIcon("logo.jpg")));
labelTable.put(80, new JLabel(new ImageIcon("logo.jpg")));
labelTable.put(100, new JLabel(new ImageIcon("logo.jpg")));
slider.setLabelTable(labelTable);
addSlider(slider, "Icon labels");
textField = new JTextField();
add(sliderPanel, BorderLayout.CENTER);
add(textField, BorderLayout.SOUTH);
pack();
}
public void addSlider(JSlider s, String description){
s.addChangeListener(listener);
JPanel panel = new JPanel();
panel.add(s);
panel.add(new JLabel(description));
panel.setAlignmentX(Component.LEFT_ALIGNMENT);
panel.setBorder(BorderFactory.createEtchedBorder(Color.RED, Color.BLUE));
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridy = sliderPanel.getComponentCount();
gbc.anchor = GridBagConstraints.WEST;
sliderPanel.add(panel, gbc);
}
}
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