btpanel.java

p2p仿真

/*
 * @(#)BTPanel.java ver 1.2 6/20/2005
 * 
 * Copyright 2005 Weishuai Yang ([e-mail]). All rights reserved.
 *  
 */
package gps.protocol.BT;

import gps.gui.ControlPanel;
import gps.gui.ProtocolPanel;
import gps.protocol.Protocol;
import gps.util.Config;
import gps.util.MyFileChooser;

import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFormattedTextField;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;


/**
 * Protocol panel for BT. 
 *
 *
 * @author  Weishuai Yang
 * @version 1.2,  6/20/2005
 */
public class BTPanel extends ProtocolPanel implements ActionListener {

    private JPanel mPanel0, mPanel1, mPanel2, mPanel3;

    private JLabel mLabelBTTrackers, mLabelBTPeers;

    private JTextField mTextFieldBTTrackers, mTextFieldBTPeers;

    private JButton mSaveConfig, mLoadConfig, mApply;

    private MyFileChooser fileChooser = new MyFileChooser();

    private String mGraphFile;

    /**
     * constructor
     *  
     */
    public BTPanel(ControlPanel p) {
        super(p);
        mProtocolIndex=0;
        mProtocol = BT.getInstance();
        mProtocolProperties = mProtocol.getProtocolProperties();
        makeShape();
        setInitialValue();
    }

    /**
     * gets protocol object
     */
	public Protocol getProtocol(){
		return mProtocol;
	}
	
	/**
	 * retrieve initial value from properties and set it to GUI interface
	 */
    public void setInitialValue() {

        //set initial value from properties
        mTextFieldBTTrackers.setText(mProtocolProperties.getProperty("BTTrackers"));
        mTextFieldBTPeers.setText(mProtocolProperties.getProperty("BTPeers"));
    	String path=mProtocolProperties.getProperty("GraphFile");
    	if((path!=null)&&(path.length()!=0))
    		mParent.getSimGuiControl().openGraph(path);
    }

    /**
     * action event handler
     */
    public void actionPerformed(ActionEvent e) {
        if ("Load".equals(e.getActionCommand())) {
            fileChooser.setFileFilter(MyFileChooser.configFilter);
            int res = fileChooser.showOpenDialog(mParent.getSimGuiControl().getSimGui());
            if (res == JFileChooser.CANCEL_OPTION)
                return;
            File file = fileChooser.getSelectedFile();
            loadConfig(file);
        } else if ("Save".equals(e.getActionCommand())) {
            fileChooser.setFileFilter(MyFileChooser.configFilter);
            int res = fileChooser.showSaveDialog(mParent.getSimGuiControl().getSimGui());
            if (res == JFileChooser.CANCEL_OPTION)
                return;
            File file = fileChooser.getSelectedFile();
            saveConfig(file);
        }

        else if ("Apply".equals(e.getActionCommand())) {
            apply();
        }

    }

    /**
     * called after load success
     */
    public void loadSuccess() {
        mProtocolProperties.setProperty("GraphFile", getGraph().getGraphFile());
    }

    /**
     * synchronize user input in gui and properties
     */
    public void updateProtocolProperties() {

        mProtocolProperties.setProperty("BTTrackers", mTextFieldBTTrackers.getText());
        mProtocolProperties.setProperty("BTPeers", mTextFieldBTPeers.getText());
        //mProtocolProperties.setProperty("GraphFile",
        // getGraph().getGraphFile());

        int nodeNum = Integer.parseInt(mProtocolProperties.getProperty("BTTrackers")) + Integer.parseInt(mProtocolProperties.getProperty("BTPeers"));
        mProtocolProperties.setProperty("TotalNodeNum", "" + nodeNum);

    }

    /**
     * save properties into config file
     * @param f File object
     */
    public void saveConfig(File f) {
        Config.saveConfToFileGUI(f, mProtocolProperties, mParent.getSimGuiControl().getSimGui().getFrame());
    }

    
    /**
     * load config file into properties
     * @param f File object
     */
    
    public void loadConfig(File f) {

        Config.loadConfFromFileGUI(f, mProtocolProperties, mParent.getSimGuiControl().getSimGui().getFrame());

        int nodeNum = Integer.parseInt(mProtocolProperties.getProperty("BTTrackers")) + Integer.parseInt(mProtocolProperties.getProperty("BTPeers"));
        mProtocolProperties.setProperty("TotalNodeNum", "" + nodeNum);

        setInitialValue();

        /*
         * String graphfile=mProtocolProperties.getProperty("GraphFile");
         * if((graphfile!=null)&&(graphfile!=""))
         * mParent.getSimGuiControl().openGraph(graphfile);
         */
        //		mParent.getSimGuiControl().resetProgress();
        //		mSim.reset();
    }

    /**
     * draws components
     */
    public void makeShape() {

        super.makeShape();
        setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
        
        //Misc Panel
        mPanel0 = new JPanel();

        mPanel0.setLayout(null);

        mLabelBTTrackers = new JLabel("BT Trackers:");
        mLabelBTTrackers.setBounds(10, 0, 180, 20);
        mTextFieldBTTrackers = new JFormattedTextField(new java.text.DecimalFormat("##0"));
        mTextFieldBTTrackers.setBounds(200, 0, 60, 20);
        //mTextFieldBTTrackers.setText("1");

        mLabelBTPeers = new JLabel("BT Peers:");
        mLabelBTPeers.setBounds(10, 25, 180, 20);
        mTextFieldBTPeers = new JFormattedTextField(new java.text.DecimalFormat("##0"));
        mTextFieldBTPeers.setBounds(200, 25, 60, 20);
        //mTextFieldBTPeers.setText("10");

        mPanel0.add(mLabelBTTrackers);
        mPanel0.add(mTextFieldBTTrackers);
        mPanel0.add(mLabelBTPeers);
        mPanel0.add(mTextFieldBTPeers);

        mPanel0.setMinimumSize(new Dimension(320, 65));
        mPanel0.setPreferredSize(new Dimension(320, 65));

        mPanel3 = new JPanel();
        mPanel3.setLayout(new BoxLayout(mPanel3, BoxLayout.LINE_AXIS));

        mLoadConfig = new JButton("Load");
        mLoadConfig.setEnabled(true);
        mLoadConfig.addActionListener(this);

        mSaveConfig = new JButton("Save");
        mSaveConfig.setEnabled(true);
        mSaveConfig.addActionListener(this);

        mApply = new JButton("Apply");
        mApply.setEnabled(true);
        mApply.addActionListener(this);
        mPanel3.add(mLoadConfig);
        mPanel3.add(mSaveConfig);
        mPanel3.add(mApply);

        mPanel3.setMinimumSize(new Dimension(320, 20));
        mPanel3.setPreferredSize(new Dimension(320, 20));

        add(mPanel0);

        add(mPanel3);

    }
}