From 565d2123b9059cebfdde5e1d54d17e2a30d2cb3c Mon Sep 17 00:00:00 2001
From: ZestyTS <ZestyTS@gmail.com>
Date: Tue, 25 Jul 2017 01:15:39 -0400
Subject: [PATCH] Added a Progress Bar and a Background Worker

---
 RetroManager/CompressRom.Designer.cs | 11 +++++
 RetroManager/CompressRom.cs          | 65 +++++++++++++++++++++++-----
 2 files changed, 66 insertions(+), 10 deletions(-)

diff --git a/RetroManager/CompressRom.Designer.cs b/RetroManager/CompressRom.Designer.cs
index 913127c..8a6af31 100644
--- a/RetroManager/CompressRom.Designer.cs
+++ b/RetroManager/CompressRom.Designer.cs
@@ -57,6 +57,7 @@ private void InitializeComponent()
             this.ttef = new System.Windows.Forms.ToolTip(this.components);
             this.tte = new System.Windows.Forms.ToolTip(this.components);
             this.lbEmulator = new System.Windows.Forms.Label();
+            this.pb = new System.Windows.Forms.ProgressBar();
             this.gbEmulator.SuspendLayout();
             this.SuspendLayout();
             // 
@@ -322,11 +323,20 @@ private void InitializeComponent()
             this.lbEmulator.TabIndex = 14;
             this.lbEmulator.Text = "Emulators";
             // 
+            // pb
+            // 
+            this.pb.Location = new System.Drawing.Point(133, 273);
+            this.pb.Name = "pb";
+            this.pb.Size = new System.Drawing.Size(203, 46);
+            this.pb.TabIndex = 14;
+            this.pb.Visible = false;
+            // 
             // CompressRom
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(354, 335);
+            this.Controls.Add(this.pb);
             this.Controls.Add(this.gbEmulator);
             this.Controls.Add(this.btnStart);
             this.Controls.Add(this.cbExtract);
@@ -373,5 +383,6 @@ private void InitializeComponent()
         private System.Windows.Forms.ToolTip ttef;
         private System.Windows.Forms.ToolTip tte;
         private System.Windows.Forms.Label lbEmulator;
+        private System.Windows.Forms.ProgressBar pb;
     }
 }
\ No newline at end of file
diff --git a/RetroManager/CompressRom.cs b/RetroManager/CompressRom.cs
index e16ec8c..5ee8df9 100644
--- a/RetroManager/CompressRom.cs
+++ b/RetroManager/CompressRom.cs
@@ -1,7 +1,9 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Diagnostics;
+using System.Drawing;
 using System.IO;
 using System.Linq;
 using System.Windows.Forms;
@@ -10,12 +12,19 @@ namespace RetroManager
 {
     public partial class CompressRom : Form
     {
+        private readonly BackgroundWorker _bw = new BackgroundWorker();
         public CompressRom()
         {
             InitializeComponent();
+
+            _bw.WorkerReportsProgress = true;
+            _bw.WorkerSupportsCancellation = true;
+            _bw.DoWork += BtnStart_Work;
+            _bw.ProgressChanged += ProgressUpdate;
+            _bw.RunWorkerCompleted += WorkerCompleted;
         }
 
-        private void BtnStart_Click(object sender, EventArgs e)
+        private void BtnStart_Work(object sender, EventArgs e)
         {
             const string sixfour = @"C:\Program Files\7-Zip\7z.exe";
             const string threetwo = @"C:\Program Files (x86)\7-Zip\7z.exe";
@@ -85,19 +94,55 @@ private void BtnStart_Click(object sender, EventArgs e)
             {
                 emulators.Add(c.Text.Replace(" ", string.Empty).ToLower());
             }
-
-            foreach (string emu in emulators)
-            foreach (var ext in extensions[emu])
-            {
-                var roms = Directory.GetFiles(reader, "*." + ext, SearchOption.AllDirectories);
-                foreach (var rom in roms)
+            using (var gr = pb.CreateGraphics())
+            { 
+                foreach (string emu in emulators)
+                foreach (var ext in extensions[emu])
                 {
-                    p.Arguments = "a -tzip -mx9 -mm=Deflate64 " + $@"""{Path.ChangeExtension(rom, ".zip")}""" + " " + $@"""{rom}""";
-                    var x = Process.Start(p);
-                    x.WaitForExit();
+                    var roms = Directory.GetFiles(reader, "*." + ext, SearchOption.AllDirectories);
+                    var i = 0;
+                    foreach (var rom in roms)
+                    {
+                        p.Arguments = "a -tzip -mx9 -mm=Deflate64 " + $@"""{Path.ChangeExtension(rom, ".zip")}""" +
+                                      " " + $@"""{rom}""";
+                        var x = Process.Start(p);
+                        x.WaitForExit();
+                        var percentage = (i + 1) * 100 / roms.Length;
+                        i++;
+                        _bw.ReportProgress(percentage);
+                    }
                 }
             }
+        }
+
+        private void BtnStart_Click(object sender, EventArgs e)
+        {
+            if (_bw.IsBusy)
+                return;
 
+            btnStart.Enabled = false;
+            pb.Visible = true;
+            _bw.RunWorkerAsync();
+        }
+
+        private void ProgressUpdate(object sender, ProgressChangedEventArgs e)
+        {
+            pb.Value = e.ProgressPercentage;
+        }
+
+        private void WorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
+        {
+            if (e.Error != null)
+            {
+                MessageBox.Show(@"Something went wrong\n" + @"Error: " + e.Error.Message + @": " + e.Error.InnerException);
+            }
+            else
+            {
+                MessageBox.Show(@"Zipping Complete!");
+            }
+            pb.Value = 0;
+            pb.Visible = false;
+            btnStart.Enabled = true;
         }
 
         private void BtnBrowse_Click(object sender, EventArgs e)