Making the progress registration per item and more flexable.

Library/LibraryRowItemPart.cs

@@ -76,6 +76,8 @@ namespace MatterHackers.MatterControl.PrintLibrary
 			CreateGuiElements();
 
 			AddLoadingProgressBar();
+
+            libraryProvider.RegisterForProgress(itemIndex, ReportProgressRatio);
 		}
 
 		public override bool Protected
@@ -88,7 +90,7 @@ namespace MatterHackers.MatterControl.PrintLibrary
 
 		public async Task<PrintItemWrapper> GetPrintItemWrapperAsync()
 		{
-			return await libraryProvider.GetPrintItemWrapperAsync(this.ItemIndex, ReportProgressRatio);
+			return await libraryProvider.GetPrintItemWrapperAsync(this.ItemIndex);
 		}
 
 		void ReportProgressRatio(double progress0To1, string processingState, out bool continueProcessing)
@@ -106,10 +108,13 @@ namespace MatterHackers.MatterControl.PrintLibrary
 			processingProgressControl.RatioComplete = progress0To1;
 		}
 
-		ProgressBar processingProgressControl;
+		ProgressControl processingProgressControl;
 		private void AddLoadingProgressBar()
 		{
-			processingProgressControl = new ProgressBar(ActiveTheme.Instance.SecondaryAccentColor, (int)(100 * TextWidget.GlobalPointSizeScaleRatio), 5);
+            processingProgressControl = new ProgressControl("Downloading...", ActiveTheme.Instance.PrimaryTextColor, ActiveTheme.Instance.SecondaryAccentColor, (int)(100 * TextWidget.GlobalPointSizeScaleRatio), 5)
+            {
+                PointSize = 8,
+            };
 			processingProgressControl.BackgroundColor = RGBA_Bytes.White;
 			processingProgressControl.VAnchor = VAnchor.ParentBottom;
 			processingProgressControl.HAnchor = HAnchor.ParentLeft;

Library/Provider/LibraryProvider.cs

@@ -149,7 +149,7 @@ namespace MatterHackers.MatterControl.PrintLibrary.Provider
 
 		public abstract PrintItemCollection GetCollectionItem(int collectionIndex);
 
-		public abstract Task<PrintItemWrapper> GetPrintItemWrapperAsync(int itemIndex, ReportProgressRatio reportProgress = null);
+		public abstract Task<PrintItemWrapper> GetPrintItemWrapperAsync(int itemIndex);
 
 		// TODO: make this asnyc
 		//public abstract Task<LibraryProvider> GetProviderForCollectionAsync(PrintItemCollection collection);
@@ -182,6 +182,30 @@ namespace MatterHackers.MatterControl.PrintLibrary.Provider
 			return GetProviderForCollection(GetCollectionItem(collectionIndex)).CollectionCount;
 		}
 
+        protected Dictionary<int, ReportProgressRatio> itemReportProgressHandlers = new Dictionary<int, ReportProgressRatio>();
+
+        public void RegisterForProgress(int itemIndex, ReportProgressRatio reportProgress)
+        {
+            if (!itemReportProgressHandlers.ContainsKey(itemIndex))
+            {
+                itemReportProgressHandlers.Add(itemIndex, reportProgress);
+            }
+            else
+            {
+                itemReportProgressHandlers[itemIndex] = reportProgress;
+            }
+        }
+
+        protected ReportProgressRatio GetItemProgressHandler(int itemIndex)
+        {
+            if (!itemReportProgressHandlers.ContainsKey(itemIndex))
+            {
+                return null;
+            }
+
+            return itemReportProgressHandlers[itemIndex];
+        }
+
         public virtual int GetCollectionItemCount(int collectionIndex)
 		{
 			return GetProviderForCollection(GetCollectionItem(collectionIndex)).ItemCount;

Library/Provider/LibraryProviderFileSystem.cs

@@ -212,7 +212,7 @@ namespace MatterHackers.MatterControl.PrintLibrary.Provider
 			return Path.GetFileName(currentDirectoryFiles[itemIndex]);
 		}
 
-		public async override Task<PrintItemWrapper> GetPrintItemWrapperAsync(int itemIndex, ReportProgressRatio reportProgress = null)
+		public async override Task<PrintItemWrapper> GetPrintItemWrapperAsync(int itemIndex)
 		{
 			string fileName = currentDirectoryFiles[itemIndex];
 

Library/Provider/LibraryProviderHistory.cs

@@ -231,7 +231,7 @@ namespace MatterHackers.MatterControl.PrintLibrary.Provider
 			return childCollections[collectionIndex];
 		}
 
-		public async override Task<PrintItemWrapper> GetPrintItemWrapperAsync(int index, ReportProgressRatio reportProgress = null)
+		public async override Task<PrintItemWrapper> GetPrintItemWrapperAsync(int index)
 		{
 			throw new NotImplementedException();
 			//return PrintHistoryData.Instance.GetPrintItemWrapper(index);

Library/Provider/LibraryProviderQueue.cs

@@ -226,7 +226,7 @@ namespace MatterHackers.MatterControl.PrintLibrary.Provider
 			return childCollections[collectionIndex];
 		}
 
-		public async override Task<PrintItemWrapper> GetPrintItemWrapperAsync(int index, ReportProgressRatio reportProgress = null)
+		public async override Task<PrintItemWrapper> GetPrintItemWrapperAsync(int index)
 		{
 			return QueueData.Instance.GetPrintItemWrapper(index);
 		}

Library/Provider/LibraryProviderSelector.cs

@@ -253,7 +253,7 @@ namespace MatterHackers.MatterControl.PrintLibrary.Provider
 			return new PrintItemCollection(provider.Name, provider.ProviderKey);
 		}
 
-		public async override Task<PrintItemWrapper> GetPrintItemWrapperAsync(int itemIndex, ReportProgressRatio reportProgress = null)
+		public async override Task<PrintItemWrapper> GetPrintItemWrapperAsync(int itemIndex)
 		{
 			throw new NotImplementedException("Print items are not allowed at the root level");
 		}

Library/Provider/LibraryProviderSqlite.cs

@@ -326,7 +326,7 @@ namespace MatterHackers.MatterControl.PrintLibrary.Provider
 			return childCollections[collectionIndex];
 		}
 
-		public async override Task<PrintItemWrapper> GetPrintItemWrapperAsync(int index, ReportProgressRatio reportProgress = null)
+		public async override Task<PrintItemWrapper> GetPrintItemWrapperAsync(int index)
 		{
 			if (index >= 0 && index < printItems.Count)
 			{

Submodules/agg-sharp

@@ -1 +1 @@
-Subproject commit be999d781e8ebc75a0bf2f4859573ba508122bd4
+Subproject commit 31f7c3892342e1d28f1ca357ceb65e8fb0cdc49d