Files
secondo/Javagui/viewer/hoese/ScaleFactorDialog.java
2026-01-23 17:03:45 +08:00

106 lines
2.7 KiB
Java

package viewer.hoese;
import javax.swing.*;
import java.awt.BorderLayout;
import java.awt.event.*;
public class ScaleFactorDialog extends JDialog{
private JTextField valueTF;
private JButton cancelBtn;
private JButton acceptBtn;
private JButton resetBtn;
private JButton defaultBtn;
public ScaleFactorDialog(java.awt.Frame owner){
super(owner, true);
setSize(400,150);
getContentPane().setLayout(new BorderLayout());
JPanel jp1 = new JPanel();
jp1.setLayout(new BoxLayout(jp1, BoxLayout.Y_AXIS));
jp1.add(new JLabel("Please enter the scale factor to use"));
valueTF = new JTextField(20);
valueTF.setText(""+ProjectionManager.getScaleFactor());
jp1.add(valueTF);
JPanel jp = new JPanel();
jp.add(jp1);
cancelBtn = new JButton("Cancel");
acceptBtn = new JButton("Accept");
resetBtn = new JButton("Reset");
defaultBtn = new JButton("Default");
ActionListener al = new ActionListener(){
public void actionPerformed(ActionEvent evt){
Object source = evt.getSource();
if(source.equals(cancelBtn)){
cancel();
} else if(source.equals(acceptBtn)){
accept();
} else if(source.equals(resetBtn)){
valueTF.setText(""+ProjectionManager.getScaleFactor());
} else if(source.equals(defaultBtn)){
valueTF.setText("1.0");
}
}
};
cancelBtn.addActionListener(al);
acceptBtn.addActionListener(al);
resetBtn.addActionListener(al);
defaultBtn.addActionListener(al);
JPanel cp = new JPanel();
cp.add(cancelBtn);
cp.add(acceptBtn);
cp.add(resetBtn);
cp.add(defaultBtn);
getContentPane().setLayout(new BorderLayout());
getContentPane().add(jp, BorderLayout.CENTER);
getContentPane().add(cp, BorderLayout.SOUTH);
// allow finish the dialog using ESC or return
valueTF.addKeyListener(new KeyAdapter(){
public void keyPressed(KeyEvent evt){
int c = evt.getKeyCode();
if(c == KeyEvent.VK_ENTER){
accept();
} else if(c==KeyEvent.VK_ESCAPE){
cancel();
}
}
});
}
private void cancel(){
valueTF.setText(""+ProjectionManager.getScaleFactor());
setVisible(false);
}
private void accept(){
try{
double value = Double.parseDouble(valueTF.getText().trim());
if(value>0){
ProjectionManager.setScaleFactor(value);
setVisible(false);
} else {
JOptionPane.showMessageDialog(this, "Scale factor must be greater than 0");
}
} catch(Exception e){
JOptionPane.showMessageDialog(this, "Scale factor must be a number");
}
}
}