108 lines
3.2 KiB
C#
108 lines
3.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using UpdateLib.Data;
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namespace UpdateLib.UI
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{
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public partial class frmUpdater : Form
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{
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int index = 0;
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private UpdateSaveFile localInfoFile;
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private String baseUrl;
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public frmUpdater(UpdateSaveFile file, String baseUrl)
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{
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InitializeComponent();
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localInfoFile = file;
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pbInstall.Maximum = (file.UpdateFileCollection.Count) * 100;
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this.baseUrl = baseUrl;
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foreach (UpdateFileInfo fileInfo in file.UpdateFileCollection)
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{
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ListViewItem lvItem = new ListViewItem(new String[] { fileInfo.Name, "Waiting...", fileInfo.Description });
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lvItems.Items.Add(lvItem);
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}
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}
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private void btnInstall_Click(object sender, EventArgs e)
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{
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if (btnInstall.Text.Equals("Finish"))
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{
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MessageBox.Show("Update erfolgreich. Programm wird beendet");
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Application.Exit();
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}
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else
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{
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btnInstall.Enabled = false;
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DownloadFile();
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}
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}
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private void DownloadFile()
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{
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WebClient downloadClient = new WebClient();
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downloadClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(downloadClient_DownloadProgressChanged);
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downloadClient.DownloadFileCompleted += new AsyncCompletedEventHandler(downloadClient_DownloadFileCompleted);
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ListViewItem currItem = lvItems.Items[index];
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String name = currItem.SubItems[0].Text;
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SetStatus(String.Format("Downloading {0} ...", name));
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currItem.SubItems[1].Text = "Downloading...";
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String local = String.Format(@".\{0}", name);
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String online = String.Format("{0}{1}", baseUrl, name);
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if (File.Exists(local))
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{
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if (File.Exists(local + ".old"))
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File.Delete(local + ".old");
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File.Move(local, local + ".old");
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}
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downloadClient.DownloadFileAsync(new Uri(online), local);
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}
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private void SetStatus(string p)
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{
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lblStatus.Text = String.Format("Status: {0}", p);
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}
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private void downloadClient_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
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{
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ListViewItem currItem = lvItems.Items[index];
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currItem.SubItems[1].Text = "Downloaded";
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pbInstall.Increment(100);
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pbDownload.Value = 0;
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index++;
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if (lvItems.Items.Count - 1 >= index)
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DownloadFile();
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else
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{
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SetStatus("Finished!");
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btnInstall.Text = "Finish";
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btnInstall.Enabled = true;
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}
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}
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private void downloadClient_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
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{
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pbDownload.Value = e.ProgressPercentage;
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}
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}
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}
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