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package com.iailab.netsdk.common;
 
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
 
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.EmptyBorder;
 
import com.iailab.netsdk.common.Res.LanguageType;
 
/**
 * 选择语言界面Demo
 */
public class SwitchLanguage extends JFrame{
    private static final long serialVersionUID = 1L;
    
    public SwitchLanguage() {
        setTitle("请选择语言/Please Select Language");
        setLayout(new BorderLayout());
        pack();
        setSize(350, 200);
        setResizable(false);
        setLocationRelativeTo(null);
        
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e) {
            e.printStackTrace();
        } 
 
        add(new SwitchLanguagePanel(this), BorderLayout.CENTER);
        
        this.addWindowListener(new WindowAdapter() {
            @Override
            public void windowClosing(WindowEvent e) {
                dispose();         
                System.exit(0);            
            }
        });
    }
    
    /*
     * 切换语言面板
     */
    public class SwitchLanguagePanel extends JPanel {
        private static final long serialVersionUID = 1L;
        
        public SwitchLanguagePanel(final Frame frame) {
            setLayout(new FlowLayout());
            setBorder(new EmptyBorder(50, 0, 0, 0));
            
            String[] CnEn = {"简体中文", "English"};
            jComboBox = new JComboBox(CnEn);    
            
            nextButton = new JButton("下一步");
 
            add(jComboBox);
            add(nextButton); 
            
            jComboBox.addItemListener(new ItemListener() {
                @Override
                public void itemStateChanged(ItemEvent arg0) {
                    LanguageType type = jComboBox.getSelectedIndex() == 0 ? LanguageType.Chinese : LanguageType.English;
                    Res.string().switchLanguage(type);
                    
                    if(jComboBox.getSelectedIndex() == 0) {
                        nextButton.setText("下一步");
                    } else {
                        nextButton.setText("next");
                    }
                }
            });
            
            nextButton.addActionListener(new ActionListener() {    
                @Override
                public void actionPerformed(ActionEvent arg0) {            
                    SwingUtilities.invokeLater(new Runnable() {
                        public void run() {    
                            frame.dispose();
                            FunctionList functiondemo = new FunctionList();
                            functiondemo.setVisible(true);
                        }
                    });        
                }
            });
        }
        
        private JComboBox jComboBox;    
        private JButton nextButton;
    }
}