/******************************
* 说明：下载进度窗口
* 创建人：龚宇超
* 创建日期：2018-02-09
* 修改人：
* 修改日期：
* 修改备注：
* 版本：1.0.0.0
******************************/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Threading;
using System.Net;
using Lskj.Control;
using Lskj.AutoUpdate;
using System.Xml;
using Lskj.Util;
using Lskj.Business;
using System.Text.RegularExpressions;
using System.Diagnostics;
using Lskj.Core;
using Lskj.Business.Impl;
namespace Lskj.Control
{
///
/// 下载进度窗口
///
public partial class FrmDownload : Form
{
///
/// 是否下载完成
///
private bool isFinished = false;
///
/// 下载总数
///
private long total = 0;
///
/// 当前下载的总数
///
private long nDownloadedTotal = 0;
///
/// 右键多条下载是否显示
///
public bool RightDisplay = true;
private ManualResetEvent evtDownload = null;
private ManualResetEvent evtPerDonwload = null;
private WebClient clientDownload = null;
private AutoUpdater autoUpdater = null;
private delegate void SetProcessBarCallBack(int current);
private delegate void ExitCallBack(bool success);
private delegate void ShowCurrentDownloadFileNameCallBack(string name);
public bool isBatchPrind = false;
string url = null;//需要下载的url地址
string FileName = null;//需要现在的文件名称
string localFilePath = null;//需要现在的文件名称
bool isOpen = false;//是否直接打开程序
bool isprompt = true;//是否提示
public FrmDownload(string URL, string FileName, string LocalFilePath, bool isOpen = false,bool isprompt = true)
{
InitializeComponent();
this.url = URL;
this.FileName = FileName;
this.localFilePath = LocalFilePath;
this.isOpen = isOpen;
this.isprompt = isprompt;
}
///
/// 说明：窗口加载
/// 创建人：龚宇超
/// 创建日期：2018-02-23
/// 修改人：
/// 修改日期：
/// 修改备注：
/// 版本：1.0
///
/// The sender.
/// The instance containing the event data.
private void OnFormLoad(object sender, EventArgs e)
{
try
{
if (!isBatchPrind&& RightDisplay) this.Opacity = 100D;
evtDownload = new ManualResetEvent(true);
evtDownload.Reset();
ThreadPool.QueueUserWorkItem(new WaitCallback(this.ProcDownload));
}
catch (Exception ex)
{
string Message = ErrorMessage.PromptErrorMessage(ex);
MessageUtil.Show(Message, ex.Message);
}
Lskj.Control.Model.AutoSizeChange.ControllInitializeSize(this);
}
///
/// 说明：
/// 创建人：龚宇超
/// 创建日期：2018-02-23
/// 修改人：
/// 修改日期：
/// 修改备注：
/// 版本：1.0
///
/// The sender.
/// The instance containing the event data.
private void OnFormClosing(object sender, FormClosingEventArgs e)
{
try
{
if (!isFinished && DialogResult.Yes == MessageBox.Show(ConstModel.UPDATE_GIVING_UP, ConstModel.LS_TITLE_NAME, MessageBoxButtons.YesNo, MessageBoxIcon.Question))
{
e.Cancel = true;
return;
}
else
{
if (clientDownload != null)
clientDownload.CancelAsync();
evtDownload.Set();
evtPerDonwload.Set();
}
}
catch (Exception ex)
{
string Message = ErrorMessage.PromptErrorMessage(ex);
MessageUtil.Show(Message, ex.Message);
}
}
///
/// 说明：下载文件
/// 创建人：龚宇超
/// 创建日期：2018-02-23
/// 修改人：
/// 修改日期：
/// 修改备注：
/// 版本：1.0
///
/// The o.
private void ProcDownload(object o)
{
DownloadFileInfo file = new DownloadFileInfo(url, FileName, "", 0, "");
evtPerDonwload = new ManualResetEvent(false);
try
{
//Debug.WriteLine(String.Format("Start Download:{0}", file.FileName));
this.ShowCurrentDownloadFileName(FileName);
//Download
clientDownload = new WebClient();
//Added the function to support proxy
//clientDownload.Proxy = System.Net.WebProxy.GetDefaultProxy();
clientDownload.Proxy = WebRequest.GetSystemWebProxy();
clientDownload.Proxy.Credentials = CredentialCache.DefaultCredentials;
clientDownload.Credentials = System.Net.CredentialCache.DefaultCredentials;
//End added
clientDownload.DownloadProgressChanged += (object sender, DownloadProgressChangedEventArgs e) =>
{
try
{
//this.Text = "接收:" + e.BytesReceived.ToString() + " 字节数:" + progressBarCurrent.Maximum.ToString();
this.SetProcessBar(e.ProgressPercentage);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
//log the error message,you can use the application's log code
}
};
clientDownload.DownloadFileCompleted += (object sender, AsyncCompletedEventArgs e) =>
{
try
{
//DealWithDownloadErrors();
DownloadFileInfo dfile = e.UserState as DownloadFileInfo;
this.SetProcessBar(100);
evtPerDonwload.Set();
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
//log the error message,you can use the application's log code
}
};
evtPerDonwload.Reset();
//Download the folder file
//string tempFolderPath1 = CommonUnitity.GetFolderUrl(file);
clientDownload.DownloadFileAsync(new Uri(file.DownloadUrl), localFilePath, file);
//Wait for the download complete
evtPerDonwload.WaitOne();
isFinished = true;
}
catch (Exception e)
{
string Message = ErrorMessage.PromptErrorMessage(e);
MessageUtil.Show(Message, e.Message);
}
//Test network and deal with errors if there have
//DealWithDownloadErrors();
if (isFinished)
{
if (!isBatchPrind&& RightDisplay&& this.isprompt) MessageUtil.Show("附件下载成功!");
OpenDownFile();
Exit(true);
}
else
{
Exit(false);
}
evtDownload.Set();
}
///
/// 说明：直接打开下载完成的文件
/// 创建人：王一帆
/// 创建日期：
/// 修改人：
/// 修改日期：
/// 修改备注：
/// 版本：1.0
///
/// The URL.
/// Name of the file.
private void OpenDownFile()
{
if (!isOpen) return;
string v_OpenFilePath = localFilePath;
//存在则打开
System.Diagnostics.Process.Start(v_OpenFilePath);
}
///
/// 关闭触发事件删除webclient下载资源
///
///
///
private void FrmDownload_FormClosing(object sender, FormClosingEventArgs e)
{
try
{
clientDownload.Dispose();
clientDownload = null;
}
catch (Exception ex)
{
string Message = ErrorMessage.PromptErrorMessage(ex);
MessageUtil.Show(Message, ex.Message);
}
}
///
/// 说明：显示当前下载文件
/// 创建人：龚宇超
/// 创建日期：2018-02-23
/// 修改人：
/// 修改日期：
/// 修改备注：
/// 版本：1.0
///
/// The name.
private void ShowCurrentDownloadFileName(string name)
{
if (this.labelCurrentItem.InvokeRequired)
{
ShowCurrentDownloadFileNameCallBack cb = new ShowCurrentDownloadFileNameCallBack(ShowCurrentDownloadFileName);
this.Invoke(cb, new object[] { name });
this.labelCurrentItem.Text = "正在下载：" + name;
}
else
{
this.labelCurrentItem.Text = "正在下载：" + name;
}
}
///
/// 说明：显示当前进度
/// 创建人：龚宇超
/// 创建日期：2018-02-23
/// 修改人：
/// 修改日期：
/// 修改备注：
/// 版本：1.0
///
/// The current.
/// The total.
private void SetProcessBar(int current)
{
if (this.progressBarTotal.InvokeRequired)
{
SetProcessBarCallBack cb = new SetProcessBarCallBack(SetProcessBar);
this.Invoke(cb, new object[] { current });
}
else
{
this.progressBarTotal.Value = current;
}
}
///
/// 说明：退出下载程序
/// 创建人：王一帆
/// 创建日期：2020-04-02
/// 修改人：
/// 修改日期：
/// 修改备注：
/// 版本：1.0
///
/// if set to true [success].
private void Exit(bool success)
{
if (this.InvokeRequired)
{
ExitCallBack cb = new ExitCallBack(Exit);
this.Invoke(cb, new object[] { success });
}
else
{
this.isFinished = success;
this.DialogResult = success ? DialogResult.OK : DialogResult.Cancel;
this.Close();
}
}
///
/// 说明：取消
/// 创建人：龚宇超
/// 创建日期：2018-02-23
/// 修改人：
/// 修改日期：
/// 修改备注：
/// 版本：1.0
///
/// The sender.
/// The instance containing the event data.
private void OnCancel(object sender, EventArgs e)
{
try
{
if (!isFinished && DialogResult.Yes == MessageBox.Show("附件正在下载确定取消下载吗?", ConstModel.LS_TITLE_NAME, MessageBoxButtons.YesNo, MessageBoxIcon.Question))
{
evtDownload.Set();
evtPerDonwload.Set();
Exit(false);
}
}
catch (Exception ex)
{
string Message = ErrorMessage.PromptErrorMessage(ex);
MessageUtil.Show("附件下载取消出错！" + Message);
}
}
}
}