Ulf Dittmer wrote:What do you mean by "plugins in Swing"? What difference does it make which IDE you're using? What do you have so far?
package com;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.print.PageFormat;
import java.awt.print.PrinterException;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.text.MessageFormat;
import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.JTree;
import javax.swing.ListSelectionModel;
import javax.swing.ScrollPaneConstants;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.event.UndoableEditEvent;
import javax.swing.event.UndoableEditListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.undo.CannotRedoException;
import javax.swing.undo.UndoManager;
import com.sun.java_cup.internal.runtime.Scanner;
import com.sun.xml.internal.fastinfoset.sax.Properties;
public class ListSelectionDemo extends JPanel
{
JTextArea output;
String temp;
String newline = "\n";
private static final long serialVersionUID = 1L;
static JFrame frame;
JList list;
ListSelectionModel listSelectionModel;
JButton b;
JLabel l;
JTextField f;
File file;
File[] listData;
JSplitPane splitPane;
JSplitPane splitPanel;
JTree tree;
String ss;
static UndoManager undoManager = new UndoManager();
static JTextField jl;
static JButton savef;
static JFrame fr;
Font font;
final static JMenuItem undo=new JMenuItem("Undo");
private static final int PAGE_EXISTS = 0;
private static final int NO_SUCH_PAGE = 0;
final JMenuItem open=new JMenuItem("Open");
final JMenuItem save=new JMenuItem("save");
final JMenuItem exit=new JMenuItem("Exit");
final JMenuItem New=new JMenuItem("New");
final JMenuItem saveas=new JMenuItem("SaveAs");
final JMenuItem copy=new JMenuItem("Copy");
final JMenuItem paste=new JMenuItem("Paste");
final JMenuItem cut=new JMenuItem("Cut");
final JMenuItem print=new JMenuItem("Print");
public ListSelectionDemo()
{
super(new BorderLayout());
JMenu file1 = new JMenu("File");
open.addActionListener(new ItemListener());
saveas.addActionListener(new ItemListener());
New.addActionListener(new ItemListener());
save.addActionListener(new ItemListener());
exit.addActionListener(new ItemListener());
print.addActionListener(new ItemListener());
file1.setMnemonic(KeyEvent.VK_F);
file1.add(New);
file1.add(open);
file1.addSeparator( );
file1.add(save);
file1.add(saveas);
JMenu sentTo=new JMenu("Sent To");
sentTo.add(new JMenuItem("Desktop"));
file1.add(sentTo);
file1.add(print);
file1.add(exit);
JMenu edit= new JMenu("Edit");
edit.setMnemonic(KeyEvent.VK_E);
edit.add(undo);
undo.addActionListener(new ItemListener());
edit.addSeparator();
edit.add(cut);
cut.addActionListener(new ItemListener());
edit.add(copy);
copy.addActionListener(new ItemListener());
edit.add(paste);
paste.addActionListener(new ItemListener());
JMenuBar menuBar = new JMenuBar( );
menuBar.add(file1);
menuBar.add(edit);
frame.setJMenuBar(menuBar);
final JPanel controlPane = new JPanel();
l=new JLabel("SEARCH");
f=new JTextField(7);
b=new JButton("GO");
controlPane.add(l);
controlPane.add(f);
controlPane.add(b);
output = new JTextArea(1, 10);
output.setEditable(true);
JScrollPane outputPane = new JScrollPane(output, ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
output.getDocument().addUndoableEditListener(
new UndoableEditListener() {
public void undoableEditHappened(UndoableEditEvent e) {
undoManager.addEdit(e.getEdit());
updateButtons();
}
});
font = new Font("Verdana", Font.BOLD, 12);
output.setFont(font);
output.setBackground(Color.LIGHT_GRAY);
output.setForeground(Color.BLACK);
//Bottom Panel
JScrollPane listPane = new JScrollPane();
JPanel listContainer = new JPanel(new GridLayout(1,1));
listContainer.setBorder(BorderFactory.createTitledBorder("List"));
listContainer.add(listPane);
//Left Panel
JScrollPane leftPane = new JScrollPane(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
java.util.Properties p = System.getProperties();
tree = new JTree(p);
tree.setRootVisible(true);
leftPane = new JScrollPane(tree);
//Top panel
final JPanel bottomHalf = new JPanel(new BorderLayout());
bottomHalf.add(controlPane, BorderLayout.PAGE_START);
bottomHalf.add(outputPane, BorderLayout.CENTER);
bottomHalf.setPreferredSize(new Dimension(1020, 600));
splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
splitPane.setTopComponent(bottomHalf);
splitPane.setBottomComponent(listContainer);
splitPane.setOneTouchExpandable(true);
splitPanel = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
splitPanel.setLeftComponent(leftPane);
splitPanel.setRightComponent(splitPane);
add(splitPanel, BorderLayout.WEST);
splitPanel.setOneTouchExpandable(true);
b.setActionCommand("search");
b.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
String s=b.getActionCommand();
if(s.equals("search"))
{
String tf=f.getText();
System.out.println(tf);
if(tf.equals(""))
{
output.setText("");
output.setEditable(false);
JPanel listContainer = new JPanel(new GridLayout(1,1));
listContainer.setBorder(BorderFactory.createTitledBorder("RESULT"));
listContainer.add(new JLabel("PATH NOT FOUND"));
splitPane.setBottomComponent(listContainer);
}
else
{
file = new File(tf);
listData = file.listFiles();
list = new JList(listData);
listSelectionModel = list.getSelectionModel();
listSelectionModel.addListSelectionListener(new SharedListSelectionHandler());
JScrollPane listPane1 = new JScrollPane(list);
JPanel listContainer1 = new JPanel(new GridLayout(1,1));
listContainer1.setBackground(Color.LIGHT_GRAY);
listContainer1.setBorder(BorderFactory.createTitledBorder("List"));
listContainer1.add(listPane1);
output.setEditable(true);
splitPane.setBottomComponent(listContainer1);
}
}
}
}
);
String[] modes = { "Option-1",
"Option-2",
"Option-3" };
final JComboBox comboBox = new JComboBox(modes);
comboBox.setSelectedIndex(2);
comboBox.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
String newMode = (String)comboBox.getSelectedItem();
if (newMode.equals("Option-1"))
{
}
else if (newMode.equals("Option-2"))
{
}
else
{
}
output.append("----------"+ "Mode: " + newMode + "----------" + newline);
}
}
);
controlPane.add(new JLabel("Selection mode:"));
controlPane.add(comboBox);
}
private static void createAndShowGUI()
{
frame =new JFrame("ListSelectionDemo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ListSelectionDemo demo = new ListSelectionDemo();
demo.setOpaque(true);
frame.setContentPane(demo);
frame.pack();
frame.setVisible(true);
}
public static void updateButtons() {
undo.setText(undoManager.getUndoPresentationName());
// redoButton.setText(undoManager.getRedoPresentationName());
undo.setEnabled(undoManager.canUndo());
// redoButton.setEnabled(undoManager.canRedo());
}
public static void func()
{
fr=new JFrame("SAVE FILE");
JPanel p=new JPanel();
JPanel save=new JPanel();
p.add(new JLabel("Enter Path:"));
jl=new JTextField(9);
p.add(jl);
savef=new JButton("Save File");
save.add(savef);
fr.add(p,BorderLayout.CENTER);
fr.add(save,BorderLayout.SOUTH);
fr.setBounds(500, 250,200,150);
//fr.pack();
fr.setVisible(true);
}
public static void main(String[] args)
{
javax.swing.SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
createAndShowGUI();
}
}
);
}
public class ItemListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
JMenuItem s = (JMenuItem) e.getSource();
if(s.equals(open))
{
JFileChooser fc= new JFileChooser();
if(fc.showOpenDialog(null)==JFileChooser.APPROVE_OPTION)
{
File file= fc.getSelectedFile();
ss=file.toString();
BufferedReader inputStream = null;
try
{
output.setEditable(true);
output.setText("");
inputStream =new BufferedReader(new FileReader(file));
String l;
while ((l = inputStream.readLine()) != null)
{
output.append(l);
output.append(newline);
}
int pos=output.getCaretPosition();
System.out.println(pos);
}
catch(Exception e1)
{
System.out.println(e1);
}
}
}
else if(s.equals(save))
{
try
{
FileWriter first = new FileWriter(new File(ss));
first.write(output.getText());
first.close();
}
catch(Exception e1)
{
System.out.println(e1);
}
}
else if(s.equals(saveas))
{
func();
savef.setActionCommand("sfile");
savef.addActionListener(
new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
String s=savef.getActionCommand();
if(s.equals("sfile"))
{
String field=jl.getText();
try
{
System.out.println(field);
File fil=new File(field);
if(!fil.exists())
{
FileWriter first = new FileWriter(new File(field));
first.write(output.getText());
first.close();
fr.dispose();
}
else
{
jl.selectAll();
jl.requestFocus();
JOptionPane.showMessageDialog(fr, "File Exist", "ALERT", 0);
}
}
catch(Exception e1)
{
System.out.println(e1);
}
}
}
}
);
}
else if(s.equals(New))
{
output.setText("");
}
else if(s.equals(exit))
{
System.exit(0);
}
else if(s.equals(undo))
{
try {
undoManager.undo();
} catch (CannotRedoException cre) {
cre.printStackTrace();
}
updateButtons();
}
else if(s.equals(cut))
{
temp= output.getSelectedText();
output.replaceSelection("");
}
else if(s.equals(copy))
{
temp= output.getSelectedText();
}
else if(s.equals(paste))
{
output.append(temp);
}
else if(s.equals(print))
{
try{
output.print();
} catch(Exception excp){}
}
}
}
public int print(Graphics g, PageFormat pf, int page) throws PrinterException{
if (page > 0)
{
return NO_SUCH_PAGE;
}
Graphics2D g2d = (Graphics2D)g;
g2d.translate(pf.getImageableX(), pf.getImageableY());
frame.printAll(g);
return PAGE_EXISTS;
}
class SharedListSelectionHandler implements ListSelectionListener
{
public void valueChanged(ListSelectionEvent e)
{
ss=list.getSelectedValue().toString();
BufferedReader inputStream = null;
try
{
output.setText("");
inputStream =new BufferedReader(new FileReader(ss));
String l;
while ((l = inputStream.readLine()) != null)
{
output.append(l);
output.append(newline);
}
}
catch(Exception e1)
{
System.out.println(e1);
}
}
}
}
i have done the codings to search when we give d path of that file... but i have to change it in such a way that it should search even if we give d file name or any content of dat file.. Please help me out..
thanks...
