Finished Project Editor.

Builder now supports parallel building.

Progrart.Core/ProjectSystem/Builder.cs

@@ -1,6 +1,7 @@
 using Newtonsoft.Json;
 using Progrart.Core.JSExecution;
 using Progrart.Core.Storage;
+using System.Diagnostics;
 
 namespace Progrart.Core.ProjectSystem
 {
@@ -24,8 +25,6 @@ namespace Progrart.Core.ProjectSystem
 		}
 		public async Task Execute(BuildConfiguration config, BuildItem item)
 		{
-			//FileInfo src = new FileInfo(Path.Combine(basePath, item.Source));
-			//FileInfo tgt = new FileInfo(Path.Combine(basePath, project.OutputDir, item.Target ?? item.Source + ".png"));
 			var args = project.Arguments.Clone();
 			args.MergeFrom(config.Arguments);
 			args.MergeFrom(item.Arguments);
@@ -41,23 +40,47 @@ namespace Progrart.Core.ProjectSystem
 			img.DrawingCore.ToData().SaveTo(img_stream);
 			img_stream.Flush();
 		}
-		public async Task Build(string targetConfig)
+		public async Task Build(string targetConfig, bool isParallel = false)
 		{
 			foreach (var config in project.Configurations)
 			{
+				Console.WriteLine(config.Name);
 				if (config.Name == targetConfig)
 				{
 					int index = 0;
+					List<Task> tasks = new List<Task>();
 					foreach (var item in config.Items)
 					{
-						await Execute(config, item);
-						index++;
-						OnProgressUpdate?.Invoke(config.Items.Count, index);
+						if (!isParallel)
+						{
+
+							await Execute(config, item);
+							index++;
+							OnProgressUpdate?.Invoke(config.Items.Count, index);
+						}
+						else
+						{
+
+							var t = Task.Run(async () =>
+							{
+								index++;
+								int i = index;
+								await Execute(config, item);
+								OnProgressUpdate?.Invoke(config.Items.Count, i);
+							});
+							tasks.Add(t);
+						}
+
+					}
+					if (isParallel)
+					{
+						await Task.WhenAll(tasks);
 					}
 					OnCompleted?.Invoke();
 					return;
 				}
 			}
+			throw new Exception($"Configuration \"{targetConfig}\" not found!");
 		}
 	}
 }