package trader.gui;

import java.awt.BorderLayout;

import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.SwingConstants;

import org.apache.log4j.Logger;

import trader.GuiLogService;

public class GuiLogPanel extends JPanel implements GuiLogService{
    
    /** Creates a new instance of LogPanel */
    Logger logger;
    // LogPanel Components
    protected JLabel logLb;
    protected JTextArea logTa= new JTextArea(9, 50);
    protected JScrollPane logSp = new JScrollPane(logTa);
    
    private String logName;
    
    public GuiLogPanel(String logName) {
        this.logName = logName;
        buildLogPanel();
        constructLogger();
    }
    
    void buildLogPanel() {
        logLb = new JLabel(logName, SwingConstants.CENTER);
        this.setLayout(new BorderLayout());
        this.add(logLb, BorderLayout.NORTH);
        this.add(logSp, BorderLayout.CENTER);
    }
    
    public void constructLogger(){
        logger=Logger.getLogger("trader");
        GuiLogHandler handler =
        	(GuiLogHandler) logger.getAppender("mine");
        handler.setServiceCallback(this);
    }
    
    public void setLog(String log){
        logTa.setText(log);
    }
    
    public void addToLog(String newLogEvent){
        logTa.append(newLogEvent);
    }
}