자바 코드 영타 연습
etc 2014. 6. 26. 17:36 |import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.util.Date;
import java.util.StringTokenizer;
import java.util.Vector;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JTextArea;
import javax.swing.JTree;
import javax.swing.UIManager;
import javax.swing.event.TreeExpansionEvent;
import javax.swing.event.TreeWillExpandListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreePath;
class Search extends JFrame implements TreeWillExpandListener, ActionListener {
private Container con;
private JSplitPane sp = new JSplitPane();
private JSplitPane sp1 = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
private DefaultMutableTreeNode root = new DefaultMutableTreeNode("My 탐색기");
private JTree tree_jt = new JTree(root);
private JScrollPane tree_jsp = new JScrollPane(tree_jt);
private Vector view_vc = new Vector();
private JList view_li = new JList(view_vc);
private JScrollPane view_jsp = new JScrollPane(view_li);
private JButton view_bt = new JButton("VIEW");
private JButton edit_bt = new JButton("EDIT");
private JButton del_bt = new JButton("DELETE");
private JButton end_bt = new JButton("EXIT");
private JTextArea data_ta = new JTextArea();
private JScrollPane data_jsp = new JScrollPane(data_ta);
private Dimension screen;
public Search() {
super("My 탐색기");
screen = Toolkit.getDefaultToolkit().getScreenSize();
this.init();
this.start();
this.setSize((int) screen.getWidth(), (int) screen.getHeight());
this.setLocation(0, 0);
this.setVisible(true);
}
public void init() {
con = this.getContentPane();
con.setLayout(new BorderLayout());
con.add("Center", sp);
tree_jsp.setPreferredSize(new Dimension(200, (int) screen.getHeight()));
sp.setLeftComponent(tree_jsp);
JPanel jp = new JPanel(new BorderLayout());
view_jsp.setPreferredSize(new Dimension((int) screen.getWidth() - 220, 300));
jp.add("Center", view_jsp);
JPanel jp1 = new JPanel(new GridLayout(1, 4, 5, 5));
jp1.add(view_bt);
jp1.add(edit_bt);
jp1.add(del_bt);
jp1.add(end_bt);
jp.add("South", jp1);
sp1.setTopComponent(jp);
sp1.setBottomComponent(data_jsp);
sp.setRightComponent(sp1);
File[] file = File.listRoots();
for (int i = 0; i < file.length; i++) {
DefaultMutableTreeNode dmt = new DefaultMutableTreeNode(file[i]);
dmt.add(new DefaultMutableTreeNode("EMPTY"));
root.add(dmt);
}
}
public void start() {
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
tree_jt.addTreeWillExpandListener(this);
view_bt.addActionListener(this);
edit_bt.addActionListener(this);
del_bt.addActionListener(this);
end_bt.addActionListener(this);
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == view_bt) {
TreePath tp = tree_jt.getSelectionPath();
// System.out.println("tp = " + tp);
StringTokenizer stk = new StringTokenizer(tp.toString(), "[,]");
stk.nextToken();
if (stk.hasMoreTokens()) {
String filepath = stk.nextToken().trim();
while (stk.hasMoreTokens()) {
filepath += stk.nextToken().trim() + "/";
}
String filename = (String) view_li.getSelectedValue();
filename = filename.substring(0, filename.indexOf("(")).trim();
File f = new File(filepath, filename);
try {
BufferedReader in = new BufferedReader(new FileReader(f));
data_ta.setText("");
while (true) {
String str = in.readLine();
if (str == null)
break;
data_ta.append(str + "\n");
}
in.close();
} catch (IOException ee) {
}
}
} else if (e.getSource() == edit_bt) {
TreePath tp = tree_jt.getSelectionPath();
// System.out.println("tp = " + tp);
StringTokenizer stk = new StringTokenizer(tp.toString(), "[,]");
stk.nextToken();
if (stk.hasMoreTokens()) {
String filepath = stk.nextToken().trim();
while (stk.hasMoreTokens()) {
filepath += stk.nextToken().trim() + "/";
}
String filename = (String) view_li.getSelectedValue();
filename = filename.substring(0, filename.indexOf("(")).trim();
File f = new File(filepath, filename);
int xx = JOptionPane.showConfirmDialog(this, "정말 수정하시겠습니까?", "수정", JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE);
if (xx == 0) {
try {
DataOutputStream dos = new DataOutputStream(
new BufferedOutputStream(
new FileOutputStream(f)));
byte[] data = data_ta.getText().trim().getBytes();
dos.write(data);
dos.close();
} catch (IOException ee) {
}
}
}
} else if (e.getSource() == del_bt) {
TreePath tp = tree_jt.getSelectionPath();
// System.out.println("tp = " + tp);
StringTokenizer stk = new StringTokenizer(tp.toString(), "[,]");
stk.nextToken();
if (stk.hasMoreTokens()) {
String filepath = stk.nextToken().trim();
while (stk.hasMoreTokens()) {
filepath += stk.nextToken().trim() + "/";
}
String filename = (String) view_li.getSelectedValue();
filename = filename.substring(0, filename.indexOf("(")).trim();
File f = new File(filepath, filename);
int xx = JOptionPane.showConfirmDialog(this, "정말 삭제하시겠습니까?",
"삭제", JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE);
if (xx == 0) {
f.delete();
view_vc.clear();
view_li.setListData(view_vc);
data_ta.setText("");
}
}
} else if (e.getSource() == end_bt) {
System.exit(0);
}
}
public void treeWillExpand(TreeExpansionEvent e) {
if (e.getSource() == tree_jt) {
tree_jt.setSelectionPath(e.getPath());
TreePath tp = tree_jt.getSelectionPath();
// System.out.println("tp = " + tp);
StringTokenizer stk = new StringTokenizer(tp.toString(), "[,]");
System.out.println(stk);
stk.nextToken();
if (stk.hasMoreTokens()) {
String filepath = stk.nextToken().trim();
while (stk.hasMoreTokens()) {
filepath += stk.nextToken().trim() + "/";
}
// System.out.println("file = " + filepath);
File dir = new File(filepath);
File[] data = dir.listFiles();
if (data == null) {
return;
}
DefaultMutableTreeNode imsi = (DefaultMutableTreeNode) e.getPath().getLastPathComponent();
imsi.removeAllChildren();
view_vc.clear();
if (data.length == 0) {
imsi.add(new DefaultMutableTreeNode("EMPTY"));
} else {
int count = -1;
for (int i = 0; i < data.length; i++) {
if (data[i].isDirectory()) {
DefaultMutableTreeNode dtm = new DefaultMutableTreeNode(data[i].getName());
dtm.add(new DefaultMutableTreeNode("EMPTY"));
imsi.add(dtm);
count++;
} else {
view_vc.add(data[i].getName() + " (" + data[i].length() + "byte, " + new Date(data[i].lastModified()) + ")");
}
}
if (count == -1) {
imsi.add(new DefaultMutableTreeNode("EMPTY"));
}
}
view_li.setListData(view_vc);
}
}
}
public void treeWillCollapse(TreeExpansionEvent e) {}
}
public class SaerchFileUpdate {
public static void main(String[] args) {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception ee) {
}
Search ws = new Search();
}
}
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