My Full Code IS:
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.io.*;
import java.util.*;
import java.net.*;
import java.text.SimpleDateFormat;
import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.tree.*;
import javax.swing.event.*;
import java.awt.Dimension;
import java.awt.Panel;
import java.awt.BorderLayout;
import java.awt.Rectangle;
import javax.swing.JEditorPane;
import javax.swing.JTextArea;
import javax.swing.JTree;
import java.awt.ScrollPane;
import javax.swing.JPasswordField;
import javax.swing.JScrollPane;
import javax.swing.JList;
import javax.swing.JLabel;
import javax.swing.BorderFactory;
import java.awt.Color;
import java.awt.SystemColor;
import javax.swing.JButton;
import java.awt.Font;
import javax.swing.SwingConstants;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
public class PhotoBucket extends JFrame implements ListSelectionListener
{
public static final ImageIcon ICON_COMPUTER =new ImageIcon("computer.gif");
public static final ImageIcon ICON_DISK =new ImageIcon("disk.gif");
public static final ImageIcon ICON_FOLDER =new ImageIcon("folder.gif");
public static final ImageIcon ICON_EXPANDEDFOLDER =new ImageIcon("expandedfolder.gif");
protected DefaultTreeModel m_model;
// NEW
protected JPopupMenu m_popup;
protected Action m_action;
protected TreePath m_clickedPath;
private JScrollPane jScrollPane1 = new JScrollPane();
private JTree jTree1;
private JScrollPane jScrollPane2 = new JScrollPane();
private JList jList1;
public JLabel picture=new JLabel();
ImageIcon firstImage;
String path="";
String filePath="";
private Vector imageNames;
private JScrollPane jScrollPane3 = new JScrollPane();
private JLabel jLabel2;
private JButton jButton1 = new JButton();
public PhotoBucket()
{
DefaultMutableTreeNode top = new DefaultMutableTreeNode(
new IconData(ICON_COMPUTER, null, "My Computer")); // for the root of the tree
DefaultMutableTreeNode node;
File[] roots = File.listRoots(); /// for the nodes of the tree
for (int k=0; k<roots.length; k++)
{
node = new DefaultMutableTreeNode(new IconData(ICON_DISK,
null, new FileNode(roots[k])));
top.add(node);
node.add(new DefaultMutableTreeNode( new Boolean(true) ));
}
m_model = new DefaultTreeModel(top);
jTree1 = new JTree(m_model);
jTree1.putClientProperty("JTree.lineStyle", "Angled");
TreeCellRenderer renderer = new
IconCellRenderer();
jTree1.setCellRenderer(renderer);
jTree1.addTreeExpansionListener(new
DirExpansionListener());
jTree1.addTreeSelectionListener(new
DirSelectionListener());
jTree1.getSelectionModel().setSelectionMode(
TreeSelectionModel.SINGLE_TREE_SELECTION);
jTree1.setShowsRootHandles(true);
jTree1.setEditable(false);
m_popup = new JPopupMenu(); // to pop-up the nodes when clicked
m_action = new AbstractAction()
{
public void actionPerformed(ActionEvent e)
{
if (m_clickedPath==null)
return;
if (jTree1.isExpanded(m_clickedPath))
jTree1.collapsePath(m_clickedPath);
else
jTree1.expandPath(m_clickedPath);
}
};
m_popup.add(m_action);
m_popup.addSeparator();
Action a1 = new AbstractAction("Delete")
{
public void actionPerformed(ActionEvent e)
{
jTree1.repaint();
JOptionPane.showMessageDialog(PhotoBucket.this,
"Delete option is not implemented",
"Info", JOptionPane.INFORMATION_MESSAGE);
}
};
m_popup.add(a1);
Action a2 = new AbstractAction("Rename")
{
public void actionPerformed(ActionEvent e)
{
jTree1.repaint();
JOptionPane.showMessageDialog(PhotoBucket.this,
"Rename option is not implemented",
"Info", JOptionPane.INFORMATION_MESSAGE);
}
};
m_popup.add(a2);
jTree1.add(m_popup);
jTree1.addMouseListener(new PopupTrigger());
WindowListener wndCloser = new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
};
addWindowListener(wndCloser);
setVisible(true);
try
{
jbInit();
}
catch(Exception e)
{
e.printStackTrace();
}
}
private void jbInit() throws Exception
{
filePath="E:/Manoj/Pictures/Rupa/rupsnrish.jpg";
ImageIcon firstImage = createImageIcon(filePath);
if (firstImage != null)
{
jLabel2 = new JLabel(firstImage);
jLabel2.setBorder(BorderFactory.createLineBorder(Color.black, 10));
jLabel2.grabFocus();
}
this.getContentPane().setLayout(null);
this.setSize(new Dimension(1028, 462));
jScrollPane1.setBounds(new Rectangle(0, 15, 150, 415));
jScrollPane1.getViewport().add(jTree1, null);
jScrollPane3.getViewport().add(jLabel2, null);
this.getContentPane().add(jButton1, null);
this.getContentPane().add(jScrollPane3, null);
this.getContentPane().add(jScrollPane1, null);
picture=new JLabel();
jButton1.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
jButton1_actionPerformed(e);
}
});
jButton1.setForeground(Color.blue);
jButton1.setBounds(new Rectangle(370, 410, 125, 25));
jButton1.setText("Rotate");
jScrollPane3.setBounds(new Rectangle(315, 10, 700, 395));
picture.setBorder(BorderFactory.createLineBorder(SystemColor.desktop, 4));
this.getContentPane().add(picture, null);
}
DefaultMutableTreeNode getTreeNode(TreePath path)
{
return (DefaultMutableTreeNode)(path.getLastPathComponent());
}
FileNode getFileNode(DefaultMutableTreeNode node)
{
if (node == null)
return null;
Object obj = node.getUserObject();
if (obj instanceof IconData)
obj = ((IconData)obj).getObject();
if (obj instanceof FileNode)
return (FileNode)obj;
else
return null;
}
class PopupTrigger extends MouseAdapter
{
public void mouseReleased(MouseEvent e)
{
if (e.isPopupTrigger())
{
int x = e.getX();
int y = e.getY();
TreePath path = jTree1.getPathForLocation(x, y);
if (path != null)
{
if (jTree1.isExpanded(path))
m_action.putValue(Action.NAME, "Collapse");
else
m_action.putValue(Action.NAME, "Expand");
m_popup.show(jTree1, x, y);
m_clickedPath = path;
}
}
}
}
// Make sure expansion is threaded and updating the tree model
// only occurs within the event dispatching
thread.
class DirExpansionListener implements TreeExpansionListener
{
public void treeExpanded(TreeExpansionEvent event)
{
final DefaultMutableTreeNode node = getTreeNode(
event.getPath());
final FileNode fnode = getFileNode(node);
Thread runner = new Thread()
{
public void run()
{
if (fnode != null && fnode.expand(node))
{
Runnable runnable = new Runnable()
{
public void run()
{
m_model.reload(node);
}
};
SwingUtilities.invokeLater(runnable);
}
}
};
runner.start();
}
public void treeCollapsed(TreeExpansionEvent event) {}
}
class DirSelectionListener
implements TreeSelectionListener
{
public void valueChanged(TreeSelectionEvent event)
{
DefaultMutableTreeNode node = getTreeNode(
event.getPath());
FileNode fnode = getFileNode(node);
if (fnode != null)
{
String holdPath=fnode.getFile().getAbsolutePath();
File myDirectory = new File(fnode.getFile().getAbsolutePath());
if ( myDirectory.exists() && myDirectory.isDirectory() )
{
// List the files
String[] fileNameList = myDirectory.list();
String holdFiles="";
for(int u=0;u<fileNameList.length;u++)
{
holdFiles=holdFiles+" "+fileNameList[u];
}
show(holdFiles,holdPath);
}
}
}
}
public void show(String files,String holdPath)
{
String imageNamesString=files;
path=holdPath.replace('\\','/');
imageNames = parseList(imageNamesString);
jList1 = new JList(imageNames);
jList1.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
jList1.setSelectedIndex(0);
jList1.addListSelectionListener(this);
jScrollPane2.setBounds(new Rectangle(160, 15, 150, 415));
jScrollPane2.getViewport().add(jList1, null);
this.getContentPane().add(jScrollPane2, null);
filePath=path+"/"+(String)imageNames.firstElement();
firstImage = createImageIcon(filePath);
if (firstImage != null)
{
jLabel2.setIcon(firstImage);
jLabel2.setBorder(BorderFactory.createLineBorder(Color.black, 10));
jLabel2.grabFocus();
}
}
public JList getImageList() {
return jList1;
}
public void valueChanged(ListSelectionEvent e)
{
if (e.getValueIsAdjusting())
{
return;
}
JList theList = (JList)e.getSource();
if (theList.isSelectionEmpty())
{
picture.setIcon(null);
picture.setText(null);
}
else
{
int index = theList.getSelectedIndex();
filePath=path+"/" +(String)imageNames.elementAt(index);
firstImage = createImageIcon(filePath);
jLabel2.setIcon(firstImage);
if (firstImage != null)
{
picture.setText(null);
}
else
{
picture.setText("Image not found: "
+ (String)imageNames.elementAt(index));
}
}
}
protected static ImageIcon createImageIcon(String path)
{
File f=new File(path);
URL imgURL=null;
try
{
imgURL = f.toURL();
}
catch (MalformedURLException e)
{
}
if (imgURL != null) {
return new ImageIcon(imgURL);
} else {
System.err.println("Couldn't find file: " + path);
return null;
}
}
protected static Vector parseList(String theStringList)
{
Vector v=new Vector(10);
// Vector<String> v = new Vector<String>(10);
StringTokenizer tokenizer = new StringTokenizer(theStringList, " ");
while (tokenizer.hasMoreTokens())
{
String image = tokenizer.nextToken();
v.addElement(image);
}
return v;
}
public static void main(String args[])
{
PhotoBucket obj=new PhotoBucket();
obj.setVisible(true);
}
public void jButton1_actionPerformed(ActionEvent e)
{
try
{
File input = new File(filePath);
BufferedImage source = ImageIO.read(input);
AffineTransform transform = new AffineTransform();
transform.rotate(Math.toRadians(90), source.getHeight()/2, source.getHeight()/2);
BufferedImage rotated = new BufferedImage(source.getHeight(), source.getWidth(), BufferedImage.TYPE_INT_RGB);
Graphics2D gR = rotated.createGraphics();
gR.drawRenderedImage(source, transform);
gR.dispose();
File output = new File(filePath);
ImageIO.write(rotated, "PNG", output);
// repaint(1000);
}
catch (IOException ex)
{
System.out.println(ex);
}
}
}
class IconCellRenderer
extends JLabel
implements TreeCellRenderer
{
protected Color m_textSelectionColor;
protected Color m_textNonSelectionColor;
protected Color m_bkSelectionColor;
protected Color m_bkNonSelectionColor;
protected Color m_borderSelectionColor;
protected boolean m_selected;
public IconCellRenderer()
{
super();
m_textSelectionColor = UIManager.getColor(
"Tree.selectionForeground");
m_textNonSelectionColor = UIManager.getColor(
"Tree.textForeground");
m_bkSelectionColor = UIManager.getColor(
"Tree.selectionBackground");
m_bkNonSelectionColor = UIManager.getColor(
"Tree.textBackground");
m_borderSelectionColor = UIManager.getColor(
"Tree.selectionBorderColor");
setOpaque(false);
}
public Component getTreeCellRendererComponent(JTree tree,
Object value, boolean sel, boolean expanded, boolean leaf,
int row, boolean hasFocus)
{
DefaultMutableTreeNode node =
(DefaultMutableTreeNode)value;
Object obj = node.getUserObject();
setText(obj.toString());
if (obj instanceof Boolean)
setText("Retrieving data...");
if (obj instanceof IconData)
{
IconData idata = (IconData)obj;
if (expanded)
setIcon(idata.getExpandedIcon());
else
setIcon(idata.getIcon());
}
else
setIcon(null);
setFont(tree.getFont());
setForeground(sel ? m_textSelectionColor :
m_textNonSelectionColor);
setBackground(sel ? m_bkSelectionColor :
m_bkNonSelectionColor);
m_selected = sel;
return this;
}
public void paintComponent(Graphics g)
{
Color bColor = getBackground();
Icon icon = getIcon();
g.setColor(bColor);
int offset = 0;
if(icon != null && getText() != null)
offset = (icon.getIconWidth() + getIconTextGap());
g.fillRect(offset, 0, getWidth() - 1 - offset,
getHeight() - 1);
if (m_selected)
{
g.setColor(m_borderSelectionColor);
g.drawRect(offset, 0, getWidth()-1-offset, getHeight()-1);
}
super.paintComponent(g);
}
}
class IconData
{
protected Icon m_icon;
protected Icon m_expandedIcon;
protected Object m_data;
public IconData(Icon icon, Object data)
{
m_icon = icon;
m_expandedIcon = null;
m_data = data;
}
public IconData(Icon icon, Icon expandedIcon, Object data)
{
m_icon = icon;
m_expandedIcon = expandedIcon;
m_data = data;
}
public Icon getIcon()
{
return m_icon;
}
public Icon getExpandedIcon()
{
return m_expandedIcon!=null ? m_expandedIcon : m_icon;
}
public Object getObject()
{
return m_data;
}
public String toString()
{
return m_data.toString();
}
}
class FileNode
{
protected File m_file;
public FileNode(File file)
{
m_file = file;
}
public File getFile()
{
return m_file;
}
public String toString()
{
return m_file.getName().length() > 0 ? m_file.getName() :
m_file.getPath();
}
public boolean expand(DefaultMutableTreeNode parent)
{
DefaultMutableTreeNode flag =
(DefaultMutableTreeNode)parent.getFirstChild();
if (flag==null) // No flag
return false;
Object obj = flag.getUserObject();
if (!(obj instanceof Boolean))
return false; // Already expanded
parent.removeAllChildren(); // Remove Flag
File[] files = listFiles();
if (files == null)
return true;
Vector v = new Vector();
for (int k=0; k<files.length; k++)
{
File f = files[k];
if (!(f.isDirectory()))
continue;
FileNode newNode = new FileNode(f);
boolean isAdded = false;
for (int i=0; i<v.size(); i++)
{
FileNode nd = (FileNode)v.elementAt(i);
if (newNode.compareTo(nd) < 0)
{
v.insertElementAt(newNode, i);
isAdded = true;
break;
}
}
if (!isAdded)
v.addElement(newNode);
}
for (int i=0; i<v.size(); i++)
{
FileNode nd = (FileNode)v.elementAt(i);
IconData idata = new IconData(PhotoBucket.ICON_FOLDER,
PhotoBucket.ICON_EXPANDEDFOLDER, nd);
DefaultMutableTreeNode node = new
DefaultMutableTreeNode(idata);
parent.add(node);
if (nd.hasSubDirs())
node.add(new DefaultMutableTreeNode(
new Boolean(true) ));
}
return true;
}
public boolean hasSubDirs()
{
File[] files = listFiles();
if (files == null)
return false;
for (int k=0; k<files.length; k++)
{
if (files[k].isDirectory())
return true;
}
return false;
}
public int compareTo(FileNode toCompare)
{
return m_file.getName().compareToIgnoreCase(
toCompare.m_file.getName() );
}
protected File[] listFiles()
{
if (!m_file.isDirectory())
{
JOptionPane.showMessageDialog(null,"Error reading directory "+m_file.getAbsolutePath(),"Warning", JOptionPane.WARNING_MESSAGE);
return null;
}
try
{
return m_file.listFiles();
}
catch (Exception ex)
{
JOptionPane.showMessageDialog(null,
"Error reading directory "+m_file.getAbsolutePath(),
"Warning", JOptionPane.WARNING_MESSAGE);
return null;
}
}
}