import java.awt.*;
import java.awt.event.*;
import java.text.ParseException;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import com.zfqjava.swing.*;
import com.zfqjava.swing.cell.*;

import com.zfqjava.formula.Formula;
import com.zfqjava.formula.FormulaFactory;
public class FormulaDemo extends JDataGridBean {
    public FormulaDemo() {
	super();
        configure();
    }
    private void configure() {    
	final JDataGrid dataGrid = getDataGrid();
	dataGrid.setModel(createModel());
	final JButton a = new JButton("Restore Model...");
	a.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    dataGrid.setModel(createModel());
		}
	    });	
	getToolBar(JDataGridBean.MAIN_TOOLBAR).add(a);
    }
    protected DataGridModel createModel() {
	DataGridModel model = new DefaultDataGridModel(14, 8);
	FormulaFactory factory = FormulaFactory.getDefault();
	// cell(0,0)
	Formula formula1 = null;
	try {
	    formula1 = factory.createFormula("3+4*6+7");
	} catch (ParseException e) {
	    e.printStackTrace();
	}
	model.setCellClass(Formula.class, 0, 0);
	model.setValueAt(formula1, 0, 0);
	// cell(3, 5)
	try {
	    formula1 = factory.createFormula("(3+4)*(6+7)");
	} catch (ParseException e) {
	    e.printStackTrace();
	}
	model.setCellClass(Formula.class, 3, 5);
	model.setValueAt(formula1, 3, 5);
	// cell(12, 6)
	try {
	    formula1 = factory.createFormula("(3+4*6)+7");
	} catch (ParseException e) {
	    e.printStackTrace();
	}
	model.setCellClass(Formula.class, 12, 6);
	model.setValueAt(formula1, 12, 6);
	// cell(13, 7)
	try {
	    formula1 = factory.createFormula("3+(4*6+7)");
	} catch (ParseException e) {
	    e.printStackTrace();
	}
	model.setCellClass(Formula.class, 13, 7);
	model.setValueAt(formula1, 13, 7);	
	return model;
    }
    public static void main(String[] args) {
	final FormulaDemo demo = new FormulaDemo();
	demo.setDefaultCloseOperation(JBean.EXIT_ON_CLOSE);
  	SwingUtilities.invokeLater(new Runnable() {
  		public void run() {	
		    demo.showFrame();
		    demo.getDataGrid().requestFocus();
		}
	    });	
    }
}