TAStudio - implement the Insert menu item

BizHawk.Client.Common/movie/tasproj/TasMovie.Editing.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 
@@ -57,8 +58,26 @@ namespace BizHawk.Client.Common
 					_log.RemoveAt(frame);
 				}
 
+				Changes = true;
 				InvalidateAfter(invalidateAfter);
 			}
 		}
+
+		public void InsertInput(int frame, IEnumerable<string> inputLog)
+		{
+			_log.InsertRange(frame, inputLog);
+			Changes = true;
+			InvalidateAfter(frame);
+		}
+
+		public void InsertEmptyFrame(int frame)
+		{
+			var lg = LogGeneratorInstance();
+			lg.SetSource(Global.MovieSession.MovieControllerInstance());
+			_log.Insert(frame, lg.EmptyEntry);
+
+			Changes = true;
+			InvalidateAfter(frame - 1);
+		}
 	}
 }

BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.Designer.cs

@@ -377,20 +377,20 @@ namespace BizHawk.Client.EmuHawk
 			// 
 			// CloneMenuItem
 			// 
-			this.CloneMenuItem.Enabled = false;
 			this.CloneMenuItem.Name = "CloneMenuItem";
 			this.CloneMenuItem.ShortcutKeys = ((System.Windows.Forms.Keys)((System.Windows.Forms.Keys.Control | System.Windows.Forms.Keys.Insert)));
 			this.CloneMenuItem.Size = new System.Drawing.Size(240, 22);
 			this.CloneMenuItem.Text = "&Clone";
+			this.CloneMenuItem.Click += new System.EventHandler(this.CloneMenuItem_Click);
 			// 
 			// InsertFrameMenuItem
 			// 
-			this.InsertFrameMenuItem.Enabled = false;
 			this.InsertFrameMenuItem.Name = "InsertFrameMenuItem";
 			this.InsertFrameMenuItem.ShortcutKeys = ((System.Windows.Forms.Keys)(((System.Windows.Forms.Keys.Control | System.Windows.Forms.Keys.Shift) 
             | System.Windows.Forms.Keys.Insert)));
 			this.InsertFrameMenuItem.Size = new System.Drawing.Size(240, 22);
 			this.InsertFrameMenuItem.Text = "&Insert";
+			this.InsertFrameMenuItem.Click += new System.EventHandler(this.InsertFrameMenuItem_Click);
 			// 
 			// InsertNumFramesMenuItem
 			// 

BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.cs

@@ -452,6 +452,37 @@ namespace BizHawk.Client.EmuHawk
 			RefreshDialog();
 		}
 
+		private void CloneMenuItem_Click(object sender, EventArgs e)
+		{
+			var framesToInsert = TasView.SelectedIndices
+				.OfType<int>()
+				.OrderBy(frame => frame)
+				.ToList();
+
+			var insertionFrame = framesToInsert.Last() + 1;
+
+			var inputLog = new List<string>();
+			foreach (var frame in framesToInsert)
+			{
+				inputLog.Add(_tas.GetInput(frame));
+			}
+
+			_tas.InsertInput(insertionFrame, inputLog);
+
+			RefreshDialog();
+		}
+
+		private void InsertFrameMenuItem_Click(object sender, EventArgs e)
+		{
+			var insertionFrame = TasView.SelectedIndices
+				.OfType<int>()
+				.Last() + 1;
+
+			_tas.InsertEmptyFrame(insertionFrame);
+
+			RefreshDialog();
+		}
+
 		#endregion
 
 		#region Config