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path: root/src/jrummikub/view/impl/SettingsPanel.java
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package jrummikub.view.impl;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.LinkedList;

import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;
import javax.swing.border.CompoundBorder;
import javax.swing.border.EmptyBorder;
import javax.swing.border.LineBorder;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;

import jrummikub.model.GameSettings;
import jrummikub.model.PlayerSettings;
import jrummikub.util.Event1;
import jrummikub.util.IEvent1;
import jrummikub.view.ISettingsPanel;

@SuppressWarnings("serial")
class SettingsPanel extends JPanel implements ISettingsPanel {
	private JPanel playerSetupPanel;
	private JPanel playerSettingsViewport;
	private JPanel ruleSetupPanel;

	private GameSettings gameSettings = new GameSettings();

	private LinkedList<PlayerSettingsPanel> playerSettingsPanels = new LinkedList<PlayerSettingsPanel>();

	private Event1<GameSettings> settingsChangeEvent = new Event1<GameSettings>();
	private Event1<GameSettings> startGameEvent = new Event1<GameSettings>();

	@Override
	public IEvent1<GameSettings> getSettingsChangeEvent() {
		return settingsChangeEvent;
	}

	@Override
	public IEvent1<GameSettings> getStartGameEvent() {
		return startGameEvent;
	}

	private void addPlayerSettings() {
		PlayerSettingsPanel panel = new PlayerSettingsPanel();
		playerSettingsPanels.add(panel);
		playerSettingsViewport.add(panel,
				playerSettingsViewport.getComponentCount() - 1);

		settingsChangeEvent.emit(gameSettings);
	}

	private void createPlayerSetupPanel() {
		playerSetupPanel = new JPanel();
		playerSetupPanel.setLayout(new BorderLayout());

		playerSettingsViewport = new JPanel();
		playerSettingsViewport.setLayout(new BoxLayout(playerSettingsViewport,
				BoxLayout.Y_AXIS));

		JScrollPane scrollPane = new JScrollPane(playerSettingsViewport,
				JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
				JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
		playerSetupPanel.add(scrollPane);

		JPanel addPlayerPanel = new JPanel();
		addPlayerPanel.setLayout(new FlowLayout(FlowLayout.TRAILING, 0, 2));
		playerSettingsViewport.add(addPlayerPanel);

		JButton addPlayerButton = new JButton("+");
		addPlayerButton.setFont(addPlayerButton.getFont().deriveFont(Font.BOLD));
		addPlayerButton.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				addPlayerSettings();
				playerSettingsViewport.revalidate();
			}
		});
		addPlayerPanel.add(addPlayerButton);

		addPlayerSettings();
		addPlayerSettings();
	}

	private void createRuleSetupPanel() {
		ruleSetupPanel = new JPanel();
	}

	SettingsPanel() {
		setLayout(new GridBagLayout());

		final JTabbedPane tabbedPane = new JTabbedPane();

		createPlayerSetupPanel();
		tabbedPane.addTab("Spieler", playerSetupPanel);

		createRuleSetupPanel();
		tabbedPane.addTab("Regeln", ruleSetupPanel);

		GridBagConstraints c = new GridBagConstraints();
		c.fill = GridBagConstraints.BOTH;
		c.gridwidth = GridBagConstraints.REMAINDER;
		c.weightx = 1;
		c.weighty = 1;
		add(tabbedPane, c);

		JLabel errorMessageLabel = new JLabel("Fehler: Implementierung fehlt!");
		errorMessageLabel.setForeground(Color.RED);
		c.weighty = 0;
		add(errorMessageLabel, c);

		JButton startButton = new JButton("Spiel starten");
		startButton.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				startGameEvent.emit(gameSettings);
			}
		});
		add(startButton, c);

		setBorder(new CompoundBorder(new LineBorder(Color.BLACK), new EmptyBorder(
				10, 10, 10, 10)));
	}

	private class PlayerSettingsPanel extends JPanel {
		private PlayerSettings settings = new PlayerSettings("Player", Color.RED);

		private void remove() {
			playerSettingsPanels.remove(PlayerSettingsPanel.this);
			playerSettingsViewport.remove(PlayerSettingsPanel.this);
			playerSettingsViewport.revalidate();

			gameSettings.getPlayerList().remove(settings);
			settingsChangeEvent.emit(gameSettings);
		}

		PlayerSettingsPanel() {
			setLayout(new BorderLayout());

			add(new JButton(ImageUtil.createColorIcon(settings.getColor(), 16, 2)),
					BorderLayout.WEST);
			final JTextField nameField = new JTextField(settings.getName());
			nameField.getDocument().addDocumentListener(new DocumentListener() {
				private void update() {
					if (nameField.getText() == settings.getName()) {
						return;
					}

					settings.setName(nameField.getText());
					settingsChangeEvent.emit(gameSettings);
				}

				@Override
				public void insertUpdate(DocumentEvent e) {
					update();
				}

				@Override
				public void removeUpdate(DocumentEvent e) {
					update();
				}

				@Override
				public void changedUpdate(DocumentEvent e) {
					update();
				}
			});
			add(nameField);

			JButton removeButton = new JButton("\u00d7");
			removeButton.setFont(removeButton.getFont().deriveFont(Font.BOLD));
			removeButton.addActionListener(new ActionListener() {
				@Override
				public void actionPerformed(ActionEvent e) {
					remove();
				}
			});
			add(removeButton, BorderLayout.EAST);

			gameSettings.getPlayerList().add(settings);
		}

		@Override
		public Dimension getPreferredSize() {
			return getComponent(1).getPreferredSize();
		}

		@Override
		public Dimension getMaximumSize() {
			return new Dimension(Integer.MAX_VALUE, getPreferredSize().height);
		}
	}
}