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