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package tetris.gui;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontFormatException;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.IOException;
import java.io.InputStream;
import javax.swing.AbstractButton;
import javax.swing.JLabel;
import tetris.gui.images.ImageRes;
/**
* WrittenButton is a button with a handwritten font and a pencil roll-over.
*
* @author Jesse Morgan <jesterpm@u.washington.edu>
* @version 1.0 8 December 2009.
*/
@SuppressWarnings("serial")
public class WrittenButton extends AbstractButton {
/**
* The pencil icon used in the roll-over.
*/
private static final Image PENCIL = ImageRes.loadImage(ImageRes.WRITING_PENCIL);
/**
* Default font size.
*/
private static final float DEFAULT_FONT_SIZE = 36;
/**
* How much pencil to show.
*/
private static final int PENCIL_WIDTH = 50;
/**
* An adjustment to the Y of the pencil.
*/
private static final int PENCIL_ADJUSTMENT = 10;
/**
* The button label.
*/
private final JLabel my_label;
/**
* Is the mouse over the button?
*/
private boolean my_rolledover;
/**
* Default constrcutor.
*/
public WrittenButton() {
super();
my_rolledover = false;
// Setup Button
addMouseListener(new MouseHandler());
setOpaque(false);
// Setup Label
my_label = new JLabel();
add(my_label);
}
@Override
public void setText(final String the_label) {
super.setText(the_label);
Font base_font;
try {
final InputStream fis = getClass().getResourceAsStream("/tetris/gui/handwriting.ttf");
base_font = Font.createFont(Font.TRUETYPE_FONT, fis);
fis.close();
} catch (final FontFormatException the_exception) {
base_font = Font.getFont(Font.SANS_SERIF);
} catch (final IOException the_exception) {
base_font = Font.getFont(Font.SANS_SERIF);
}
my_label.setText(the_label);
my_label.setFont(base_font.deriveFont(DEFAULT_FONT_SIZE));
// Set some hints for the layout manager.
final Dimension ls = my_label.getPreferredSize();
ls.width += PENCIL_WIDTH;
setPreferredSize(ls);
setMinimumSize(ls);
setMaximumSize(ls);
}
@Override
public String getText() {
return my_label.getText();
}
@Override
protected void paintComponent(final Graphics the_graphics) {
super.paintComponent(the_graphics);
if (my_rolledover) {
final int x = my_label.getX() + my_label.getWidth();
final int y = my_label.getY() + my_label.getHeight() -
PENCIL.getHeight(null) - PENCIL_ADJUSTMENT;
the_graphics.drawImage(PENCIL, x, y, null);
}
}
/**
* Mouse handler for the button.
*
* @author Jesse Morgan <jesterpm@u.washington.edu>
* @version 1.0 8 Dec 2009
*/
private class MouseHandler extends MouseAdapter {
@Override
public void mouseEntered(final MouseEvent the_event) {
super.mouseEntered(the_event);
my_rolledover = true;
repaint();
}
@Override
public void mouseExited(final MouseEvent the_event) {
super.mouseExited(the_event);
my_rolledover = false;
repaint();
}
@Override
public void mouseClicked(final MouseEvent the_event) {
super.mouseClicked(the_event);
final ActionEvent e = new ActionEvent(WrittenButton.this,
ActionEvent.ACTION_PERFORMED,
getText());
WrittenButton.this.fireActionPerformed(e);
}
}
}
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