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/*
* Jesse Morgan <jesterpm@u.washington.edu>
*
* TCSS 305 - Autumn 2009
* Tetris Project
* 17 November 2009
*/
package tetris.gui;
import java.awt.Font;
import java.awt.FontFormatException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.io.InputStream;
import java.util.Observable;
import java.util.Observer;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JLabel;
import javax.swing.JPanel;
import tetris.board.TetrisBoard;
/**
* JPanel of info about the game.
*
* @author Jesse Morgan <jesterpm@u.washington.edu>
* @version 1.0 11 December 2009
*/
@SuppressWarnings("serial")
public class InfoPanel extends JPanel implements Observer {
// Private Constants
/**
* The wording of the new game button.
*/
private static final String NEWGAME_LABEL = "New Game";
/**
* The wording of the pause button.
*/
private static final String PAUSE_LABEL = "Pause";
/**
* The wording of the unpause button.
*/
private static final String UNPAUSE_LABEL = "Unpause";
// Obnoxious UI layout constants follow
/**
* Space between the top of the panel and the Score.
*/
private static final int UPPER_SPACING = 18;
/**
* Space between the level and the next piece.
*/
private static final int MIDDLE_SPACING = 38;
/**
* Size of the score.
*/
private static final float SCORE_FONT_SIZE = 32f;
/**
* Size of the level.
*/
private static final float LEVEL_FONT_SIZE = 35f;
/**
* The TetrisBoard we're displaying info for.
*/
private final TetrisBoard my_board;
/**
* The score label.
*/
private final JLabel my_score_label;
/**
* The level label.
*/
private final JLabel my_level_label;
/**
* Construct the Info Panel.
*
* @param the_board The tetris board we belong to.
*/
public InfoPanel(final TetrisBoard the_board) {
super();
my_board = the_board;
the_board.addObserver(this);
// Setup Panel
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
setOpaque(false);
// Create Components
my_score_label = new JLabel("0");
my_level_label = new JLabel("Level 1");
setupPanel();
}
/**
* Handle notifications.
*
* @param the_observable The TetrisBoard.
* @param the_arg Unused argument.
*/
public void update(final Observable the_observable, final Object the_arg) {
if (the_observable instanceof TetrisBoard) {
final TetrisBoard tb = (TetrisBoard) the_observable;
my_score_label.setText(String.valueOf(tb.getScore()));
my_level_label.setText("Level " + tb.getLevel());
}
}
/**
* Helper method to setup the east side.
*/
private void setupPanel() {
Font base_font;
// Load the 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);
}
// Add a Strut to move everything onto a line.
add(Box.createVerticalStrut(UPPER_SPACING));
// Display the Score
my_score_label.setFont(base_font.deriveFont(SCORE_FONT_SIZE));
my_score_label.setAlignmentX(CENTER_ALIGNMENT);
add(my_score_label);
// Display the level
my_level_label.setFont(base_font.deriveFont(LEVEL_FONT_SIZE));
my_level_label.setAlignmentX(CENTER_ALIGNMENT);
add(my_level_label);
// Add a bit of space between the level and the next piece display.
add(Box.createVerticalStrut(MIDDLE_SPACING));
// Add the next piece component
final NextPieceDisplay nextpiece = new NextPieceDisplay();
add(nextpiece);
nextpiece.setAlignmentX(CENTER_ALIGNMENT);
my_board.addObserver(nextpiece);
// New Game Button
final WrittenButton new_game = new WrittenButton();
new_game.setText(NEWGAME_LABEL);
new_game.setAlignmentX(CENTER_ALIGNMENT);
add(new_game);
// Pause Game Button
final WrittenButton pause_game = new WrittenButton();
pause_game.setText(PAUSE_LABEL);
pause_game.setAlignmentX(CENTER_ALIGNMENT);
add(pause_game);
// Setup Action Listeners
// New Game
new_game.addActionListener(new ActionListener() {
public void actionPerformed(final ActionEvent the_event) {
my_board.newGame();
}
});
// Pause Game
pause_game.addActionListener(new ActionListener() {
public void actionPerformed(final ActionEvent the_event) {
final WrittenButton b = (WrittenButton) the_event.getSource();
// Do nothing if the game is over.
if (my_board.isGameOver()) {
return;
}
if (b.getText().equals(PAUSE_LABEL)) {
my_board.setPaused(true);
b.setText(UNPAUSE_LABEL);
} else {
my_board.setPaused(false);
b.setText(PAUSE_LABEL);
}
}
});
}
}
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