Add HighlightLine method to matrix control.

src/AddIns/Analysis/CodeQuality/Src/Controls/MatrixControl.cs

@@ -75,9 +75,9 @@ namespace ICSharpCode.CodeQualityAnalysis.Controls
 			HoveredCell = new HoveredCell<TValue>();
 		}
 		
-		public void SetVisibleItems(HeaderType tree, ICollection<TItem> visibleItems)
+		public void SetVisibleItems(HeaderType type, ICollection<TItem> visibleItems)
 		{
-			matrix.SetVisibleItems(tree, visibleItems);
+			matrix.SetVisibleItems(type, visibleItems);
 			
 			matrixHeight = matrix.HeaderRows.Count;
 			matrixWidth = matrix.HeaderColumns.Count;
@@ -94,17 +94,27 @@ namespace ICSharpCode.CodeQualityAnalysis.Controls
 			}
 			
 			if (changedCoords) {
-				HoveredCell.RowIndex = currentCell.Y;
-				HoveredCell.ColumnIndex = currentCell.X;
-				HoveredCell.Value = matrix[HoveredCell.RowIndex, HoveredCell.ColumnIndex];
-				if (HoveredCellChanged != null)
-					HoveredCellChanged(this, new HoveredCellEventArgs<TValue>(HoveredCell));
+				SetHoveredCell();
 			}
 			
 			if (matrixHeight >= 0 && matrixWidth >= 0)
 				InvalidateVisual();
 		}
 		
+		public void HighlightLine(HeaderType type, INode node)
+		{
+			var items = type == HeaderType.Columns ? matrix.HeaderColumns : matrix.HeaderRows;
+			for (int i = 0; i < items.Count; i++) {
+				if (node.Equals(items[i])) {
+					currentCell = type == HeaderType.Columns ?
+									new Coords(i, currentCell.Y) :
+									new Coords(currentCell.X, i);
+					
+					SetHoveredCell();
+				}
+			}
+		}
+		
 		protected override void OnMouseMove(System.Windows.Input.MouseEventArgs e)
 		{
 			base.OnMouseMove(e);
@@ -122,14 +132,18 @@ namespace ICSharpCode.CodeQualityAnalysis.Controls
 			    currentCell.Y != HoveredCell.ColumnIndex)
 			{
 				InvalidateVisual();
+				SetHoveredCell();
+			}
+		}
 		
+		protected void SetHoveredCell()
+		{
 			HoveredCell.RowIndex = currentCell.Y;
 			HoveredCell.ColumnIndex = currentCell.X;
 			HoveredCell.Value = matrix[HoveredCell.RowIndex, HoveredCell.ColumnIndex];
 			if (HoveredCellChanged != null)
 				HoveredCellChanged(this, new HoveredCellEventArgs<TValue>(HoveredCell));
 		}
-		}
 		
 		protected override void OnRender(DrawingContext drawingContext)
 		{