package com.neuri.ctable;
import javax.swing.table.*;
import javax.swing.plaf.basic.*;
import java.awt.*;
import javax.swing.*;
public class CTUI extends BasicTableUI
{
    public void paint(Graphics g, JComponent c) {
	Rectangle r=g.getClipBounds();
	int firstRow=table.rowAtPoint(new Point(0,r.y));
	int lastRow=table.rowAtPoint(new Point(0,r.y+r.height));
	// -1 is a flag that the ending point is outside the table
	if (lastRow<0)
	    lastRow=table.getRowCount()-1;
	for (int i=firstRow; i<=lastRow; i++)
	    paintRow(i,g);
    }
    private void paintRow(int row, Graphics g)
    {
	Rectangle r=g.getClipBounds();
	for (int i=0; i<table.getColumnCount();i++)
	    {
		Rectangle r1=table.getCellRect(row,i,true);
		if (r1.intersects(r)) // at least a part is visible
		    {
			int sk=((CTable)table).map.visibleCell(row,i);
			paintCell(row,sk,g,r1);
			// increment the column counter
			i+=((CTable)table).map.span(row,sk)-1;
		    }
	    }
    }
    private void paintCell(int row, int column, Graphics g,Rectangle area)
    {
	int verticalMargin = table.getRowMargin();
	int horizontalMargin  = table.getColumnModel().getColumnMargin();
 
	Color c = g.getColor();
	g.setColor(table.getGridColor());
	//	g.drawRect(area.x,area.y,area.width-1,area.height-1);
	g.drawLine(area.x+area.width-1, area.y, area.x+area.width-1, area.y+area.height-1);
	g.drawLine(area.x, area.y+area.height-1, area.x+area.width-1, area.y+area.height-1);
	g.setColor(c);
 
	area.setBounds(area.x + horizontalMargin/2, 
		       area.y + verticalMargin/2, 
		       area.width - horizontalMargin, 
		       area.height - verticalMargin);
 
	if (table.isEditing() && table.getEditingRow()==row &&
	    table.getEditingColumn()==column) 
	    {
		Component component = table.getEditorComponent();
		component.setBounds(area);
		component.validate();
	    }
	else 
	    {
		TableCellRenderer renderer = table.getCellRenderer(row, column);
		Component component = table.prepareRenderer(renderer, row, column);
		if (component.getParent() == null) 
		    rendererPane.add(component);
		rendererPane.paintComponent(g, component, table, area.x, area.y,
					    area.width, area.height, true);
	    }
    }
}