import java.awt.*;
import java.awt.image.*;
import java.io.*;
import java.text.*;
import java.awt.event.*;
import java.awt.geom.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;
import javax.swing.text.*;
 
public class TabTest implements ActionListener, ItemListener
 
{
 
	JFrame fr = new JFrame ("Frame");
 
 
	JButton Button1 = new JButton("Add Coloum");
	JButton Button2 = new JButton("Add Row");
 
	JComboBox ComboBox1;
 
	DefaultTableModel TableModel1 = new DefaultTableModel(0, 0);
 
	JTable Table1 = new JTable(TableModel1);
 
	JScrollPane ScrollPane1 = new JScrollPane(Table1, ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS, 
	ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);  
 
	String FontFamily = "Arial";
 
	Dimension Size1 = new Dimension();
 
	//add
	//The below command line is the constructor for the JTextPane
 
	JTextPane TextPane1 = new JTextPane();
 
	//The below two command lines creates instances for fonts
 
	SimpleAttributeSet sas = new SimpleAttributeSet();
 
	StyleContext sc = new StyleContext();
 
	//The below command line sets up the variable for font updating
 
	MutableAttributeSet mas;
 
	//The below command line is the default document class which 
	//has one argument as explained below
	//The first argument sets the Style Context of the styled document
 
	DefaultStyledDocument dse = new DefaultStyledDocument(sc);
	StyledEditorKit StyledEditorKit1 = new StyledEditorKit(); 
 
	CellPaneRenderer CellPaneRenderer1 = new CellPaneRenderer();
	//end
 
	public void initialize ()
	{ 
		Container pane = fr.getContentPane();
		pane.setLayout(new FlowLayout());
		fr.setSize(250,300);
		fr.setLocation(300,300);
		fr.setBackground(Color.lightGray);
		//The below command line must be set to false so that user 
		//resizing is allowed
 
		Table1.setAutoCreateColumnsFromModel(false);
		Table1.setGridColor(Color.black);
 
		Size1.width = 350;
		Size1.height = 250;
		ScrollPane1.setPreferredSize(Size1);
 
		Table1.setModel(TableModel1);
		Table1.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		Table1.setAutoResizeMode(JTable.AUTO_RESIZE_OFF); 
 
		Table1.setDefaultRenderer(Object.class, new CustomTableCellRenderer(Color.white));
		Table1.setDefaultRenderer(Object.class, new CellPaneRenderer());
 
		pane.add(ScrollPane1);
		pane.add(Button1);
		pane.add(Button2);
		combofontfamilyinitialize();
		pane.add(ComboBox1);
 
		fr.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		Button1.addActionListener(this);
		Button2.addActionListener(this);
 
		ComboBox1.addItemListener(this);
		fr.pack();
		fr.setVisible(true);
	}
 
	public void combofontfamilyinitialize ()
	{
		//This function fills the combo box with the system available font families
 
		GraphicsEnvironment ge1 = GraphicsEnvironment.getLocalGraphicsEnvironment();
		String[] k = ge1.getAvailableFontFamilyNames();
		ComboBox1= new JComboBox(k);
	}
 
 
	public void setAttributeSet(AttributeSet attr)
	{
 
		//This function only set the specified font set by the
		//attr variable to the text selected by the mouse
 
		int xStart, xFinish, k;
 
		xStart = TextPane1.getSelectionStart(); 
		xFinish = TextPane1.getSelectionEnd();
		k = xFinish - xStart; 
 
		if(xStart != xFinish)
		{
			dse.setCharacterAttributes(xStart, k, attr, false);
		}
 
		else if(xStart == xFinish)
		{
			//The below two command line updates the JTextPane according to what
			//font that is being selected at a particular moment
 
			mas = StyledEditorKit1.getInputAttributes();
			mas.addAttributes(attr);
		}
 
	}
 
	public void insertcolumn (JTable table2)
	{
		//This function adds a column dynamically to the end of the JTable
 
		TableModel1 = (DefaultTableModel)table2.getModel();
		TableColumn col = new TableColumn(TableModel1.getColumnCount());
 
		//add
		col.setCellRenderer(CellPaneRenderer1);
		//end
 
		TableModel1.addColumn("   ");
		//The below command line adds the new column to the JTable
 
		table2.addColumn(col);
 
		TableModel1.fireTableStructureChanged();
	}
 
	public void actionPerformed(ActionEvent event)
	{
		JComponent b = (JComponent)event.getSource();
		int d;
		String str3 = null;
		String str4 = null, str5 = null;
		Object Object1 = null;
		Object Object2 = null;
 
		if(b == Button1)
		{
			//The below command line removes the cell editor of the JTable to
			//prevent any repitation of data from being added to the JTable
 
			Table1.removeEditor();
 
			insertcolumn(Table1);
		}
 
		else if(b == Button2)
		{
			//The below command line removes the cell editor of the JTable to
			//prevent any repitation of data from being added to the JTable
 
			Table1.removeEditor();
 
			//The below two command lines creates and adds an empty object
			//an a row into the current JTable
 
			Object[] v = new Object[0];
			TableModel1.addRow(v);
		}
 
	}
	public void itemStateChanged(ItemEvent event) 
	{
		JComponent c = (JComponent)event.getSource();
		boolean d;
 
		if(c == ComboBox1)
		{
			Table1.editCellAt(0,0);
			FontFamily = (String)ComboBox1.getSelectedItem();
			TextPane1 = (JTextPane)Table1.getEditorComponent();
 
			if(TextPane1 != null)
			{
				StyleConstants.setFontFamily(sas, FontFamily);
				setAttributeSet(sas);
			}
 
		}
 
	}
 
	public static void main(String args[])
	{
		TabTest a = new TabTest(); 
		a.initialize();
	}
}
 
class CellPaneRenderer extends JTextPane implements TableCellRenderer 
{
 
 
	public CellPaneRenderer() 
	{
 
	}
 
	public Component getTableCellRendererComponent(JTable table, Object value, 
	boolean isSelected, boolean hasFocus,
	int row, int column) 
	{
 
		setText((String)value);
		setSize(table.getColumnModel().getColumn(column).getWidth(), getPreferredSize().height);
 
		if(table.getRowHeight(row) != getPreferredSize().height) 
		{
			table.setRowHeight(row, getPreferredSize().height);
		}
 
		return this;
 
	}
 
}