ChatWindow.java

/*  Copyright (C) 2010 - 2011  Fabian Neundorf, Philip Caroli,
 *  Maximilian Madlung,	Usman Ghani Ahmed, Jeremias Mechler
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.ojim.client.gui.RightBar;

import java.awt.BorderLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.AdjustmentEvent;
import java.awt.event.AdjustmentListener;
import java.util.LinkedList;

import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JScrollBar;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.JTextPane;
import javax.swing.text.BadLocationException;
import javax.swing.text.Style;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyleContext;
import javax.swing.text.StyledDocument;

import org.ojim.client.gui.GUIClient;
import org.ojim.client.gui.PlayerColor;
import org.ojim.client.gui.OLabel.FontLayout;
import org.ojim.language.Localizer;
import org.ojim.language.Localizer.TextKey;
import org.ojim.logic.state.Player;

public class ChatWindow extends JPanel {

	private static final long serialVersionUID = 5179104588584714072L;

	private Localizer language;
	private LinkedList<ChatMessage> messages = new LinkedList<ChatMessage>();
	private JTextPane textPane;
	private JScrollPane scrollPane;
	private StyledDocument doc;
	private JTextField textField;
	private GUIClient gui;
	private JButton sendButton = new JButton();
	private JPanel chatWindowPanel = new JPanel();

	// JScrollBar scrollPane = new JScrollBar(JScrollBar.VERTICAL);

	public ChatWindow(Localizer language, GUIClient guiClient) {
		super();

		this.gui = guiClient;

		this.setLayout(new GridBagLayout());

		chatWindowPanel.setLayout(new BorderLayout());

		textPane = new JTextPane();
		doc = textPane.getStyledDocument();
		this.addStylesToDocument(doc);
		textPane.setEditable(false);
		scrollPane = new JScrollPane(textPane);
		scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);

		scrollPane.setAutoscrolls(true);
		// textArea.add(new JScrollPane(textArea));
		// textPane.append("Zeile 1\nZeile 2\nZeile3\nZeile4");

		// Zeigt die erste Zeile an,
		// indem dort der Caret positioniert wird
		// textPane.setCaretPosition(4);
		// scrollPane.setBlockIncrement(1);

		// AdjustmentListener scrollListener = new AdjustmentListener() {

		// @Override
		// public void adjustmentValueChanged(AdjustmentEvent e) {
		// //textArea.setText("    New Value is " + e.getValue() + "      ");
		//
		// repaint();
		//
		// }
		// };

		// scrollPane.addAdjustmentListener(scrollListener);

		chatWindowPanel.add(scrollPane, BorderLayout.CENTER);
		// chatWindowPanel.add(scrollPane, BorderLayout.EAST);

		this.add(chatWindowPanel, new GridBagConstraints(0, 0, 2, 1, 1.0, 1.0,
				GridBagConstraints.NORTH, GridBagConstraints.BOTH, new Insets(
						0, 0, 0, 0), 0, 0));

		this.revalidate();

		JPanel textPanel = new JPanel();

		textPanel.setLayout(new GridLayout(1, 0));

		textField = new JTextField("");
		textField.setLayout(new FontLayout());

		this.add(textPanel, new GridBagConstraints(0, 1, 2, 1, 1.0, 0.0,
				GridBagConstraints.NORTHWEST, GridBagConstraints.BOTH,
				new Insets(0, 0, 0, 0), 0, 0));

		sendButton.setLayout(new FontLayout());

		ActionListener sendListener = new ActionListener() {

			@Override
			public void actionPerformed(ActionEvent e) {
				sendMessage();

			}
		};

		sendButton.setText(language.getText(TextKey.SEND_MESSAGE));
		sendButton.addActionListener(sendListener);

		textPanel.add(textField);

		textPanel.add(sendButton);
	}

	private void sendMessage() {
		if (this.textField.getText().length() > 0) {
			gui.sendOutMessage(this.textField.getText());
			this.textField.setText("");
		}
	}

	public void clear() {

	}

	public void setLanguage(Localizer language) {
		this.language = language;
		sendButton.setText(language.getText(TextKey.SEND_MESSAGE));
	}

	public void write(ChatMessage chatMessage) {
		messages.add(chatMessage);
		try {
			if (chatMessage.isPrivate) {
				doc.insertString(doc.getLength(),
						language.getText(TextKey.PRIVATE_MESSAGE),
						doc.getStyle("regular"));
			}

			if (chatMessage.player == null) {
				doc.insertString(doc.getLength(), "server",
						doc.getStyle("regular"));
			} else {
				doc.insertString(doc.getLength(), chatMessage.player.getName(),
						doc.getStyle("color" + chatMessage.player.getColor()));
			}
			doc.insertString(doc.getLength(), " " + chatMessage.message + "\n",
					doc.getStyle("regular"));
		} catch (BadLocationException e) {
			System.err.println("Could not write ChatText into text pane!");
		}
		scrollPane.getVerticalScrollBar().setValue(scrollPane.getVerticalScrollBar().getMaximum());

	}
	
	private void addStylesToDocument(StyledDocument doc) {
		Style def = StyleContext.getDefaultStyleContext().getStyle(StyleContext.DEFAULT_STYLE);
		
		Style regular = doc.addStyle("regular", def);
		
		for(int i = 0; i < 8; i++) {
			Style newStyle = doc.addStyle("color" + i, def);
			StyleConstants.setForeground(newStyle, PlayerColor.getBackGroundColor(i));
		}
	}

}