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package nicholas.swing;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class GuideFrame extends JFrame implements ActionListener {
private CheckPanel panel[];
private JButton nextButton;
private JButton prevButton;
private JButton exitButton;
private JLabel titleLabel;
private JLabel detailLabel;
private JLabel imageLabel;
private int current;
public GuideFrame() {
super();
current = 0;
getContentPane().setLayout(null);
setupUI();
setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
setResizable(false);
setSize(500,360);
Dimension screen = getToolkit().getScreenSize();
setLocation((screen.width-getSize().width)/2, (screen.height-getSize().height)/2);
show();
}
public void setPanel(CheckPanel p[]) {
panel = p;
for(int i=0;i<panel.length;i++) {
panel[i].setBounds(-2,53,504,235);
getContentPane().add(panel[i]);
}
panel[0].setVisible(true);
}
private void setupUI() {
titleLabel = new JLabel("标题");
titleLabel.setBounds(10,5,200,20);
detailLabel = new JLabel("详细");
detailLabel.setBounds(20,20,300,20);
//enable this sentence will greatly slow down the speed.
// detailLabel.setFont(new Font("宋体",Font.PLAIN,12));
imageLabel = new JLabel();
imageLabel.setBounds(445,7,40,40);
imageLabel.setBorder(BorderFactory.createEtchedBorder());
JPanel panel = new JPanel(null);
panel.setBounds(0,0,500,53);
panel.setBackground(Color.white);
panel.add(titleLabel);
panel.add(detailLabel);
panel.add(imageLabel);
getContentPane().add(panel);
prevButton = new JButton("上一步");
prevButton.setBounds(245,298,75,21);
prevButton.addActionListener(this);
prevButton.setVisible(false);
nextButton = new JButton("下一步");
nextButton.setBounds(325,298,75,21);
nextButton.addActionListener(this);
exitButton = new JButton("取消");
exitButton.setBounds(413,298,65,21);
exitButton.addActionListener(this);
getContentPane().add(prevButton);
getContentPane().add(nextButton);
getContentPane().add(exitButton);
}
private void quit() {
}
public void actionPerformed(ActionEvent ae) {
if(ae.getSource()==exitButton) {
int result = JOptionPane.showConfirmDialog(this,"您是否确认要退出本向导？\n所有信息将丢失．",
"退出",JOptionPane.YES_NO_OPTION,JOptionPane.INFORMATION_MESSAGE);
if(result==JOptionPane.YES_OPTION) {
System.exit(0);
}
} else if(ae.getSource()==nextButton) {
if(panel[current].check()) {
//can do next job
panel[current].setVisible(false);
current++;
if(current==1) {
prevButton.setVisible(true);
}
if(current==(panel.length-1)) {
prevButton.setVisible(false);
nextButton.setText("完成");
} else if(current==panel.length) {
quit();
return;
}
panel[current].setVisible(true);
repaint();
} else {
//cannot continue
JOptionPane.showMessageDialog(this,panel[current].getErrorMessage(),
"警告",JOptionPane.ERROR_MESSAGE);
return;
}
} else {
panel[current].setVisible(false);
current--;
panel[current].setVisible(true);
if(current==0) {
prevButton.setVisible(false);
}
repaint();
}
}
} |
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