helpdialog.java

应付作业+练习OOP做的东西

package userinterface;

import javax.swing.JPanel;
import javax.swing.JTextArea;

import java.awt.Frame;
import java.awt.BorderLayout;
import javax.swing.JDialog;

public class HelpDialog extends JDialog {

	private static final long serialVersionUID = 1L;

	private JPanel jContentPane = null;

	/**
	 * @param owner
	 */
	public HelpDialog(Frame owner) {
		super(owner);
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setSize(300, 200);
		this.setTitle("帮助");
		this.setResizable(false);
		this.setContentPane(getJContentPane());
	}

	/**
	 * This method initializes jContentPane
	 * 
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			jContentPane = new JPanel();
			jContentPane.setLayout(new BorderLayout());
			jContentPane.add(getHelpText(), BorderLayout.CENTER);
		}
		return jContentPane;
	}
	private JTextArea getHelpText() {
		if (helpText == null) {
			helpText = new JTextArea();
			helpText.setEditable(false);
			helpText.setText("文件格式: \n不限后缀名\n一行只有一个数\n没有空行\n不能有其他字符");
		}
		return helpText;
	}
	private JTextArea helpText ;

}  //  @jve:decl-index=0:visual-constraint="287,59"