[FlashpointManager] Improve operation performance, progress display

Author: WumboSpasm

FlashpointManager/src/Common.cs

@@ -271,7 +271,7 @@ public static TreeNode AddNodeToList(XmlNode child, TreeNodeCollection parent)
             }
 
             // Refreshes component lists and tracker objects with up-to-date information
-            public static void SyncManager()
+            public static void SyncManager(bool init = false)
             {
                 ComponentTracker.Downloaded.Clear();
                 ComponentTracker.Outdated.Clear();
@@ -286,13 +286,17 @@ public static void SyncManager()
                         if (component.Downloaded)
                         {
                             ComponentTracker.Downloaded.Add(component);
-                            node.Checked = true;
+                            if (!node.Checked) node.Checked = true;
                         }
-                        else
+                        else if (node.Checked)
                         {
                             node.Checked = false;
                         }
                     }
+                    else if (init)
+                    {
+                        node.Checked = node.Checked;
+                    }
                 });
 
                 DownloadedSize = ComponentTracker.Downloaded.Sum(c => long.Parse(File.ReadLines(c.InfoFile).First().Split(' ')[1]));

FlashpointManager/src/Forms/Main.cs

@@ -35,7 +35,7 @@ private void Main_Load(object sender, EventArgs e)
                 }
             }
 
-            FPM.SyncManager();
+            FPM.SyncManager(true);
 
             if (FPM.AutoDownload.Count > 0)
             {

FlashpointManager/src/Forms/Operate.cs

@@ -73,7 +73,9 @@ private async void Operation_Load(object sender, EventArgs e)
                 }
             }
 
-            byteTotal = removedComponents.Concat(addedComponents).Sum(c => c.Size);
+            byteTotal = FPM.UpdateMode
+                ? addedComponents.Sum(c => c.Size)
+                : addedComponents.Concat(removedComponents).Sum(c => c.Size);
 
             foreach (var component in addedComponents)
             {
@@ -242,13 +244,12 @@ private void RemoveComponents()
 
             foreach (string file in infoText)
             {
-                string filePath = Path.Combine(FPM.SourcePath, file);
-                double removeProgress = (double)removedFiles / totalFiles;
-                double totalProgress = (byteProgress + (removeProgress * totalSize)) / byteTotal;
-
-                FPM.DeleteFileAndDirectories(filePath);
+                FPM.DeleteFileAndDirectories(Path.Combine(FPM.SourcePath, file));
                 removedFiles++;
 
+                double removeProgress = (double)removedFiles / totalFiles;
+                double totalProgress = FPM.UpdateMode ? 1 : (byteProgress + (removeProgress * totalSize)) / byteTotal;
+
                 ProgressMeasure.Invoke((MethodInvoker)delegate
                 {
                     ProgressMeasure.Value = (int)((double)totalProgress * ProgressMeasure.Maximum);