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package javax.swing.plaf;
import java.awt.*;
import javax.swing.border.*;
import javax.swing.*;
import javax.accessibility.*;
public abstract class ComponentUI
implements UIResource // ??
{
boolean contains(JComponent c, int x, int y)
{
return c.inside(x,y);
}
// this SHOULD thow an error:
public static ComponentUI createUI(JComponent c)
{
Exception e = new Exception("createUI from ComponentUI should never be called");
e.printStackTrace();
System.exit(1);
return null;
}
public Accessible getAccessibleChild(JComponent c, int i)
{
//Return the nth Accessible child of the object.
return null;
}
public int getAccessibleChildrenCount(JComponent c)
{
//Returns the number of accessible children in the object.
return 0;
}
public Dimension getMaximumSize(JComponent c)
{
return getPreferredSize(c);
}
public Dimension getMinimumSize(JComponent c)
{
return getPreferredSize(c);
}
public Dimension getPreferredSize(JComponent c)
{
return null;
}
public void installUI(JComponent c)
{
String id = c.getUIClassID() + ".border";
Border s = UIManager.getBorder( id );
if (s != null)
{
c.setBorder( s );
//System.out.println("OK-INSTALL: " + this + ", ID=" + id + ",B="+s);
}
else
{
///System.out.println("FAIL-INSTALL: " + this + ", " + id);
}
}
public void paint(Graphics g, JComponent c)
{
// System.out.println("UI-COMPONENT-> unimplemented paint: " + c + ", UI="+this);
}
public void uninstallUI(JComponent c)
{
}
public void update(Graphics g, JComponent c) {
if (c.isOpaque()) {
g.setColor(c.getBackground());
g.fillRect(0, 0, c.getWidth(),c.getHeight());
}
paint(g, c);
}
}
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