package main;

import javax.swing.JPanel;

import java.awt.BorderLayout;

import javax.swing.JLabel;
import javax.swing.JScrollBar;
import javax.swing.JScrollPane;
import javax.swing.ScrollPaneConstants;
import javax.swing.JTextArea;
import java.awt.Font;

public class page_debug_inf extends JPanel {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private JTextArea ta_debug;
	private JScrollPane scrollPane;
	private JLabel label;
	/**
	 * Create the panel.
	 */
	public page_debug_inf() {
		setLayout(new BorderLayout(0, 0));
		
		label = new JLabel(" \u4FE1\u606F\u884C\u6570");
		add(label, BorderLayout.NORTH);
		
		scrollPane = new JScrollPane();
		scrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
		add(scrollPane, BorderLayout.CENTER);
		
		ta_debug = new JTextArea();
		ta_debug.setFont(new Font("Courier New", Font.PLAIN, 13));
		scrollPane.setViewportView(ta_debug);

	}
	
	public void addDebugInf(String inf) {
		ta_debug.append(inf);
		int line_cnt = ta_debug.getLineCount();
		label.setText("ÐÅÏ¢ÐÐÊý: " + line_cnt);
		if(line_cnt > 1000) {
			ta_debug.setText(inf);
		}
		
		JScrollBar scrollBar = scrollPane.getVerticalScrollBar();
        scrollBar.setValue(scrollBar.getMaximum());
	}
}