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package javax.swing.plaf.basic;
import javax.swing.plaf.*;
import javax.swing.*;
import java.awt.*;
public class BasicListUI extends ListUI
{
int gap_between_cells;
Color textColor, disabledTextColor, pressedBackgroundColor, normalBackgroundColor;
public static ComponentUI createUI(final JComponent c)
{
return new BasicButtonUI();
}
public void installUI(final JComponent c)
{
super.installUI(c);
textColor = new Color(0,0,0);
disabledTextColor = new Color(130, 130, 130);
pressedBackgroundColor = new Color(150,150,150);
normalBackgroundColor = new Color(192,192,192);
}
public Dimension getPreferredSize(JComponent c)
{
JList l = (JList) c;
System.out.println("XXXXXXXXXXXXXXXxx getPreferredSize------------> " + l);
int rows = l.getVisibleRowCount();
ListCellRenderer render = l.getCellRenderer();
int width = 200;
int height = rows * 16;
if (l.getModel().getSize() == 0)
{
return new Dimension(width, height);
}
System.out.println("BASIC_LIST_UI ====-> " + l.getModel().getElementAt(0));
Component elt = render.getListCellRendererComponent(l,
l.getModel().getElementAt(0),
0,
false,
false);
Dimension a = elt.getPreferredSize();
if (a == null)
{
return new Dimension(width, height);
}
return new Dimension(a.width,
a.height * rows);
}
public void paintBackground(Graphics g,
JComponent c)
{
Dimension size = getPreferredSize(c);
g.setColor(normalBackgroundColor);
g.fillRect(0,0,size.width, size.height);
}
public void paint(Graphics g,
JComponent c)
{
JList l = (JList) c;
int rows = l.getVisibleRowCount();
ListCellRenderer render = l.getCellRenderer();
System.out.println("RENDER-JLIST: " + rows + ", " + l.getModel().getSize());
paintBackground(g, c);
if (l.getModel().getSize() == 0)
return;
// use element 0 to figure out how big we are:
Component elt = render.getListCellRendererComponent(l,
l.getModel().getElementAt(0),
0,
false,
false);
Dimension dim = elt.getPreferredSize();
Rectangle a = new Rectangle(0,
0,
dim.width,
dim.height);
for (int i=0;i<l.getModel().getSize();i++)
{
boolean is_sel = false;
boolean has_focus = false;
Component comp = render.getListCellRendererComponent(l,
l.getModel().getElementAt(i),
i,
is_sel,
has_focus);
//System.out.println("AAAAA=> " + a + ", " + comp + ", index = " + i);
comp.setBounds(a);
comp.paint(g);
a.y += dim.height + gap_between_cells;
}
}
}
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