07/04 学习记录二

package fileReseach;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.ListSelectionModel;


/**
 *
 *
 * @author lee
 *
 */

public class FileReseach extends JFrame implements ActionListener {

    private JList fileList = null;
    private DefaultListModel model = null;
    private JScrollPane listScroller = null;
    private JTextField pathInput = null;
    private JPanel up = null;
    private JButton search = null;

    private String path = null;

    public FileReseach() {

        super();
        this.setLayout(new BorderLayout());

        up = new JPanel();
        search = new JButton("Search !");
        search.addActionListener(this);
        pathInput = new JTextField(20);
        up.add(pathInput);
        up.add(search);

        this.add(up, BorderLayout.NORTH);

        //

        model = new DefaultListModel();
        fileList = new JList(model);

        fileList.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
        fileList.setLayoutOrientation(JList.VERTICAL);
        listScroller = new JScrollPane(fileList);

        this.add(listScroller, BorderLayout.CENTER);
        // this.pack();
        this.setSize(400, 600);
        //
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        this.setVisible(true);

    }

    public void actionPerformed(ActionEvent arg0) {

        model.removeAllElements();
        path = pathInput.getText();
        displayAll(path, "");
        // model.addElement("toto");
    }


    /**
     *
     * @param path chemin du repertoire courant
     * @param separator un tab
     * @see afficher le contenu d'un repertoire recursivement
     *
     */
    public void displayAll(String path, String separator) {

        File dir = new File(path);

        File tmp;

        String[] list = dir.list();

        try {
            for (String name : list) {
                tmp = new File(path + "/" + name);
                if (tmp.isFile() == true) {
                    String str = tmp.getAbsolutePath();
                    String sep = separator;
                    //System.out.println(sep + str);
                    model.addElement(str+sep);
                    // System.out.println(separator + "->" +str);
                }

                else {
                    if (tmp.canExecute()) {
                        System.out.println(separator + name);
                        displayAll(path + "/" + name, "    " + separator);
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    public static void main(String[] argv) {
        FileReseach fr = new FileReseach();
    }



}