Added Collapse All button to Asset Usage Detector window's context menu that collapses all search result groups at once

Author: yasirkula

Plugins/AssetUsageDetector/Editor/AssetUsageDetectorWindow.cs

@@ -152,6 +152,14 @@ void IHasCustomMenu.AddItemsToMenu( GenericMenu contextMenu )
 						objectsToSearch[i].RefreshSubAssets();
 				} );
 			}
+			else if( currentPhase == Phase.Complete )
+			{
+				if( searchResult != null && searchResult.NumberOfGroups > 0 )
+				{
+					contextMenu.AddSeparator( "" );
+					contextMenu.AddItem( new GUIContent( "Collapse All" ), false, searchResult.CollapseAllSearchResultGroups );
+				}
+			}
 		}
 
 		// Shows lock button at the top-right corner

Plugins/AssetUsageDetector/Editor/SearchResult.cs

@@ -371,9 +371,15 @@ public float DrawOnGUI( EditorWindow window, float scrollPosition, bool noAssetD
 			return scrollPosition;
 		}
 
-		public int IndexOf( SearchResultGroup searchResult )
+		public int IndexOf( SearchResultGroup searchResultGroup )
 		{
-			return result.IndexOf( searchResult );
+			return result.IndexOf( searchResultGroup );
+		}
+
+		public void CollapseAllSearchResultGroups()
+		{
+			for( int i = 0; i < result.Count; i++ )
+				result[i].Collapse();
 		}
 
 		public void CancelDelayedTreeViewTooltip()
@@ -600,6 +606,11 @@ public void Clear()
 			treeViewSearchField = null;
 		}
 
+		public void Collapse()
+		{
+			IsExpanded = false;
+		}
+
 		// Initializes commonly used variables of the nodes
 		public void InitializeNodes( HashSet<Object> objectsToSearchSet )
 		{