localrelay.jsl

完美的在线教育系统

package DokeosAppShare;

import System.Collections.Generic.*;
import System.ComponentModel.*;
import System.Data.*;
import System.Drawing.*;
import System.Windows.Forms.*;
import java.io.*;

/**
 * Summary description for LocalRelay.
 */
public class LocalRelay extends System.Windows.Forms.Form implements DownloadProgressEventListener
{
	private Thread thread;
	private DownloadThread download;

	private Button button1;
	private PictureBox pictureBox1;
	private ProgressBar prgDownload;
	private Label serverID;
	/**
	 * Required designer variable.
	 */
	private System.ComponentModel.IContainer components;

	public LocalRelay(DownloadThread download)
	{
		//
		// Required for Windows Form Designer support
		//
		InitializeComponent();

		this.thread = Thread.currentThread();
		this.download = download;
		this.download.addDownloadProgressEventListener(this);
	}

	#region Windows Form Designer generated code
	/**
     * Clean up any resources being used.
     */
	protected void Dispose(boolean disposing)
	{
		if (disposing)
		{
			if (components != null)
			{
				components.Dispose();
			}
		}
		super.Dispose(disposing);
	}

	/**
	 * Required method for Designer support - do not modify
	 * the contents of this method with the code editor.
	 */
	private void InitializeComponent()
	{
		System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(LocalRelay.class.ToType());
		this.button1 = new System.Windows.Forms.Button();
		this.pictureBox1 = new System.Windows.Forms.PictureBox();
		this.prgDownload = new System.Windows.Forms.ProgressBar();
		this.serverID = new System.Windows.Forms.Label();
		((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
		this.SuspendLayout();
		// 
		// button1
		// 
		this.button1.set_Image(((System.Drawing.Image)(resources.GetObject("button1.Image"))));
		this.button1.set_Location(new System.Drawing.Point(170, 231));
		this.button1.set_Name("button1");
		this.button1.set_Size(new System.Drawing.Size(49, 42));
		this.button1.set_TabIndex(2);
		this.button1.set_UseVisualStyleBackColor(true);
		this.button1.add_Click(new System.EventHandler(this.button1_Click));
		// 
		// pictureBox1
		// 
		this.pictureBox1.set_Image(((System.Drawing.Image)(resources.GetObject("pictureBox1.Image"))));
		this.pictureBox1.set_Location(new System.Drawing.Point(20, 11));
		this.pictureBox1.set_Name("pictureBox1");
		this.pictureBox1.set_Size(new System.Drawing.Size(199, 182));
		this.pictureBox1.set_TabIndex(4);
		this.pictureBox1.set_TabStop(false);
		// 
		// prgDownload
		// 
		this.prgDownload.set_Location(new System.Drawing.Point(20, 199));
		this.prgDownload.set_Name("prgDownload");
		this.prgDownload.set_Size(new System.Drawing.Size(199, 26));
		this.prgDownload.set_Style(System.Windows.Forms.ProgressBarStyle.Marquee);
		this.prgDownload.set_TabIndex(6);
		this.prgDownload.set_Value(50);
		// 
		// serverID
		// 
		this.serverID.set_AutoSize(true);
		this.serverID.set_Location(new System.Drawing.Point(17, 239));
		this.serverID.set_Name("serverID");
		this.serverID.set_Size(new System.Drawing.Size(10, 13));
		this.serverID.set_TabIndex(7);
		this.serverID.set_Text(".");
		// 
		// LocalRelay
		// 
		this.set_AutoScaleDimensions(new System.Drawing.SizeF(6F, 13F));
		this.set_AutoScaleMode(System.Windows.Forms.AutoScaleMode.Font);
		this.set_ClientSize(new System.Drawing.Size(237, 287));
		this.get_Controls().Add(this.serverID);
		this.get_Controls().Add(this.prgDownload);
		this.get_Controls().Add(this.pictureBox1);
		this.get_Controls().Add(this.button1);
		this.set_FormBorderStyle(System.Windows.Forms.FormBorderStyle.FixedSingle);
		this.set_Icon(((System.Drawing.Icon)(resources.GetObject("$this.Icon"))));
		this.set_MaximizeBox(false);
		this.set_Name("LocalRelay");
		this.set_Text("LocalRelay");
		this.add_FormClosed(new System.Windows.Forms.FormClosedEventHandler(this.LocalRelay_FormClosed));
		((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
		this.ResumeLayout(false);
		this.PerformLayout();

	}
	#endregion

	/** @delegate */
	private delegate void connectingDelegate();
	public void connecting()
	{
		if (!Thread.currentThread().equals(thread))
		{
			this.BeginInvoke(new connectingDelegate(this.connecting));
			return;
		}
		prgDownload.set_Style(ProgressBarStyle.Marquee);
		prgDownload.set_Value(prgDownload.get_Maximum());
	}
	/** @delegate */
	private delegate void startedDelegate();
	public void started()
	{
		if (!Thread.currentThread().equals(thread))
		{
			this.BeginInvoke(new startedDelegate(this.started));
			return;
		}
		prgDownload.set_Style(ProgressBarStyle.Blocks);
		prgDownload.set_Value(prgDownload.get_Minimum());
	}
	/** @delegate */
	private delegate void progressChangeIntegerDelegate(Integer progress, Integer max);
	private void progressChangeInteger(Integer progress, Integer max) { progressChange(progress.intValue(), max.intValue()); }
	public void progressChange(int progress, int max)
	{
		if (!Thread.currentThread().equals(thread))
		{
			this.BeginInvoke(new progressChangeIntegerDelegate(this.progressChangeInteger), new Object[] { new Integer(progress), new Integer(max) });
			return;
		}
		if (max <= 0)
		{
			max = 364544;
		}
		if (progress > max)
		{
			progress = max;
		}
		prgDownload.set_Value(progress);
		prgDownload.set_Maximum(max);
	}
	/** @delegate */
	private delegate void doneDelegate(File fileDest);
	public void done(File fileDest)
	{
		if (!Thread.currentThread().equals(thread))
		{
			if (download != null)
			{
				download.removeDownloadProgressEventListener(this);
				download = null;
			}

			this.BeginInvoke(new doneDelegate(this.done), new Object[] { fileDest });
			return;
		}
		//this.set_Text("done");
		//prgDownload.set_Value(0);
	}
	/** @delegate */
	private delegate void exceptionDelegate(Exception ex);
	public void exception(Exception ex)
	{
		ex.printStackTrace(System.out);
		if (!Thread.currentThread().equals(thread))
		{
			this.BeginInvoke(new exceptionDelegate(this.exception), new Object[] { ex });
		    return;
		}
		//this.set_Text("Exception: " + ex.getMessage());
		String errorMsg = "Connection error.";
		if (ex.getMessage() != null)
		{
			errorMsg = ex.getMessage();
		}
		MessageBox.Show(errorMsg, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
		Application.Exit();
	}

	private void button1_Click(Object sender, System.EventArgs e)
	{
		this.Close();
	}

	private void LocalRelay_FormClosed(Object sender, FormClosedEventArgs e)
	{
		if (download != null)
		{
			download.removeDownloadProgressEventListener(this);
			download.cancel();
			download = null;
		}
	}

	public void setServerID(String inServerID)
	{
		serverID.set_Text(inServerID);
	}

}