用java实现的资源管理器

package OperatingSyetem; import java.awt.Dimension; import java.awt.EventQueue; import java.awt.Image; import java.awt.Point; import java.awt.Toolkit; import javax.swing.JFrame; import javax.swing.DefaultListSelectionModel; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JFileChooser; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JMenu; import javax.swing.JPopupMenu; import javax.swing.JScrollPane; import javax.swing.JTable; import java.awt.datatransfer.*; import java.awt.dnd.DnDConstants; import java.awt.dnd.DragGestureEvent; import java.awt.dnd.DragGestureListener; import java.awt.dnd.DragGestureRecognizer; import java.awt.dnd.DragSource; import java.awt.dnd.DragSourceDragEvent; import java.awt.dnd.DragSourceDropEvent; import java.awt.dnd.DragSourceEvent; import java.awt.dnd.DragSourceListener; import java.awt.dnd.DropTarget; import java.awt.dnd.DropTargetDragEvent; import java.awt.dnd.DropTargetDropEvent; import java.awt.dnd.DropTargetEvent; import java.awt.dnd.DropTargetListener; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.nio.channels.FileChannel; import java.text.SimpleDateFormat; import java.util.Date; import javax.swing.JSplitPane; import javax.swing.JTree; import javax.swing.event.TreeSelectionEvent; import javax.swing.event.TreeSelectionListener; import javax.swing.filechooser.FileSystemView; import javax.swing.table.DefaultTableCellRenderer; import javax.swing.table.DefaultTableModel; import javax.swing.tree.DefaultMutableTreeNode; import javax.swing.tree.DefaultTreeCellRenderer; import javax.swing.tree.DefaultTreeModel; import javax.swing.tree.TreePath; import com.sun.org.apache.xml.internal.utils.StringVector; public class FileSystemUI { private JFrame frame; private JTree tree; private JTable table; private JPopupMenu tablePopupMenu; private JPopupMenu popupMenu; private String nameOfFileToCopy; private String pathOfFileToCopy; private String nameOfFileToMove; private String pathOfFileToMove; private Icon draggedIcon; private JScrollPane scrollTablePane; private JScrollPane scrollTreePane; /** * Launch the application. */ public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { FileSystemUI window = new FileSystemUI(); window.frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } /** * Create the application. */ public FileSystemUI() { initialize(); } /** * Initialize the contents of the frame. */ private void initialize() { frame = new JFrame(); frame.setBounds(100, 100, 714, 438); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JMenuBar menuBar = new JMenuBar(); frame.setJMenuBar(menuBar); // frame.setLayout(new // BoxLayout(frame.getContentPane(),BoxLayout.X_AXIS)); JSplitPane splitPane = new JSplitPane(); splitPane.setOrientation(JSplitPane.HORIZONTAL_SPLIT); scrollTreePane = new JScrollPane(); scrollTreePane .setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED); // frame.add(scrollTreePane); scrollTreePane.setBorder(null); tree = new JTree(); scrollTreePane.getViewport().add(tree); table = new JTable(); scrollTablePane = new JScrollPane(); scrollTablePane.getViewport().add(table); // frame.add(scrollTreePane); splitPane.setLeftComponent(scrollTreePane); splitPane.setRightComponent(scrollTablePane); splitPane.setDividerLocation(250); frame.add(splitPane); JMenu mnMenu = new JMenu("Menu"); menuBar.add(mnMenu); ImageIcon icon = new ImageIcon("addFolder.png"); icon.setImage(icon.getImage().getScaledInstance(24, 24, Image.SCALE_DEFAULT)); JMenuItem menuItem = new JMenuItem("新建文件夹",icon); menuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { // TODO Auto-generated method stub createFolder(); } }); ImageIcon icon1 = new ImageIcon("addFile.png"); icon1.setImage(icon1.getImage().getScaledInstance(24, 24, Image.SCALE_DEFAULT)); JMenuItem menuItem1 = new JMenuItem("新建文档",icon1); menuItem1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { // TODO Auto-generated method stub try { createFile(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }); mnMenu.add(menuItem1); mnMenu.add(menuItem); tablePopupMenu = new JPopupMenu(); JMenuItem item = new JMenuItem("删除"); JMenuItem item1 = new JMenuItem("拷贝"); item.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { // TODO Auto-generated method stub delete(); } }); item1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { // TODO Auto-generated method stub copyFile(); } }); tablePopupMenu.add(item); tablePopupMenu.add(item1); popupMenu = new JPopupMenu(); JMenuItem item3 = new JMenuItem("粘贴"); item3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { // TODO Auto-generated method stub pasteFile(); } }); popupMenu.add(item3); scrollTablePane.addMouseListener(new MouseListener() { public void mouseReleased(MouseEvent arg0) { // TODO Auto-generated method stub } public void mousePressed(MouseEvent e) { // TODO Auto-generated method stub if(e.getButton()==3){ popupMenu.show(scrollTablePane,e.getX(),e.getY()); } } public void mouseExited(MouseEvent arg0) { // TODO Auto-generated method stub } public void mouseEntered(MouseEvent arg0) { // TODO Auto-generated method stub } public void mouseClicked(MouseEvent arg0) { // TODO Auto-generated method stub } }); initData(); } private void initData() { tree.setCellRenderer(new MyTreeCellRenderer()); DefaultMutableTreeNode root = new DefaultMutableTreeNode("PC"); ((DefaultTreeModel) tree.getModel()).setRoot(root); DragSource dragSource = DragSource.getDefaultDragSource(); DragGestureRecognizer dgr = dragSource.createDefaultDragGestureRecognizer(table, DnDConstants.ACTION_MOVE, new DragGestureListener() { public void dragGestureRecognized(DragGestureEvent dge) { // TODO Auto-generated method stub Toolkit tk = Toolkit.getDefaultToolkit(); Dimension dim = tk.getBestCursorSize(draggedIcon.getIconWidth(),draggedIcon.getIconHeight()); BufferedImage buff = new BufferedImage(dim.width,dim.height,BufferedImage.TYPE_INT_ARGB); draggedIcon.paintIcon(table,buff.getGraphics(),0,0); if(DragSource.isDragImageSupported()) { Transferable tr = new StringSelection(pathOfFileToMove); dge.startDrag(DragSource.DefaultMoveDrop,buff,new Point(0,0),tr,new DragSourceListener() { public void dropActionChanged(DragSourceDragEvent arg0) { // TODO Auto-generated method stub } public void dragOver(DragSourceDragEvent arg0) { // TODO Auto-generated method stub } public void dragExit(DragSourceEvent arg0) { // TODO Auto-generated method stub } public void dragEnter(DragSourceDragEvent arg0) { // TODO Auto-generated method stub } public void dragDropEnd(