Renamed Class1 to BinLayoutView

CutToLength/BinLayoutView.cs

@@ -0,0 +1,73 @@
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Windows.Forms;
+
+namespace CutToLength
+{
+    class BinLayoutView : Control
+    {
+        public Bin Bin { get; set; }
+
+        private const int BorderPixels = 15;
+        private const int BinHeightPixels = 100;
+
+        private readonly HatchBrush hBrush = new HatchBrush(HatchStyle.DiagonalCross, Color.Pink, Color.Transparent);
+
+        public BinLayoutView()
+        {
+            SetStyle(ControlStyles.ResizeRedraw | ControlStyles.OptimizedDoubleBuffer, true);
+        }
+
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            base.OnPaint(e);
+
+            if (Bin == null)
+                return;
+
+            var displayWidth = Width - BorderPixels * 2.0f;
+            var maxHeight = Height - BorderPixels * 2.0f;
+
+            if (displayWidth <= 0) return;
+            if (maxHeight <= 0) return;
+
+            var displayHeight = maxHeight < BinHeightPixels ? maxHeight : BinHeightPixels;
+
+            var x = (Width - displayWidth) / 2.0f;
+            var y = (Height - displayHeight) / 2.0f;
+
+            var rect = new RectangleF(x, y, displayWidth, displayHeight);
+
+            var id = 1;
+            var scale = displayWidth / (float)Bin.Length;
+
+            if (Bin != null)
+            {
+                for (int i = 0; i < Bin.Items.Count; i++)
+                {
+                    var item = Bin.Items[i];
+
+                    var w = item.Length / Bin.Length * displayWidth;
+                    var r = new RectangleF(x, y, (float)w, displayHeight);
+
+                    e.Graphics.DrawRectangle(Pens.Blue, r.X, r.Y, r.Width, r.Height);
+                    e.Graphics.DrawString(id++.ToString(), Font, Brushes.Blue, r, new StringFormat
+                    {
+                        Alignment = StringAlignment.Center,
+                        LineAlignment = StringAlignment.Center
+                    });
+
+                    x += (float)item.Length * scale;
+
+                    if (i < Bin.Items.Count - 1)
+                        x += (float)Bin.Spacing;
+                }
+            }
+
+            var scrapRect = new RectangleF(x + 1, y, (float)Bin.RemainingLength * scale, displayHeight);
+
+            e.Graphics.FillRectangle(hBrush, scrapRect);
+            e.Graphics.DrawRectangle(Pens.Black, rect.X, rect.Y, rect.Width, rect.Height);
+        }
+    }
+}

CutToLength/Class1.cs

@@ -1,70 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Forms;
-
-namespace CutToLength
-{
-	class Class1 : Control
-	{
-		public Bin Bin { get; set; }
-
-		private const int BorderPixels = 15;
-		private const int BinHeightPixels = 100;
-
-		public Class1()
-		{
-			SetStyle(ControlStyles.ResizeRedraw | ControlStyles.OptimizedDoubleBuffer, true);
-		}
-
-		protected override void OnPaint(PaintEventArgs e)
-		{
-			base.OnPaint(e);
-
-			var displayWidth = Width - BorderPixels * 2.0f;
-			var maxHeight = Height - BorderPixels * 2.0f;
-
-			if (displayWidth <= 0) return;
-			if (maxHeight <= 0) return;
-
-			var displayHeight = maxHeight < BinHeightPixels ? maxHeight : BinHeightPixels;
-
-			var x = (Width - displayWidth) / 2.0f;
-			var y = (Height - displayHeight) / 2.0f;
-
-			var rect = new RectangleF(x, y, displayWidth, displayHeight);
-
-			var drawX = (float)x;
-			var id = 1;
-			var scale = displayWidth / Bin.Length;
-			var totalLength = 0.0;
-
-			if (Bin != null)
-			{
-				foreach (var item in Bin.Items)
-				{
-					var xc = item.Length
-					var w = item.Length / Bin.Length * displayWidth;
-					var r = new RectangleF(drawX, y, (float)w, displayHeight);
-
-					e.Graphics.DrawRectangle(Pens.Blue, r.X, r.Y, r.Width, r.Height);
-					e.Graphics.DrawString(id++.ToString(), Font, Brushes.Blue, r, new StringFormat
-					{
-						 Alignment = StringAlignment.Center,
-						 LineAlignment = StringAlignment.Center
-					});
-
-					drawX = r.Right;
-				}
-			}
-
-			var scrapRect = new RectangleF(drawX, y, rect.Right - drawX, displayHeight);
-
-			e.Graphics.FillRectangle(Brushes.Red, scrapRect);
-			e.Graphics.DrawRectangle(Pens.Black, rect.X, rect.Y, rect.Width, rect.Height);
-		}
-	}
-}

CutToLength/CutToLength.csproj

@@ -50,7 +50,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="Class1.cs">
+    <Compile Include="BinLayoutView.cs">
       <SubType>Component</SubType>
     </Compile>
     <Compile Include="Form1.cs">

CutToLength/Form2.Designer.cs

@@ -36,7 +36,7 @@
 			this.remainingLengthDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
 			this.utilizationDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
 			this.binBindingSource = new System.Windows.Forms.BindingSource(this.components);
-			this.class11 = new CutToLength.Class1();
+			this.class11 = new CutToLength.BinLayoutView();
 			this.splitContainer1 = new System.Windows.Forms.SplitContainer();
 			this.uIItemBindingSource = new System.Windows.Forms.BindingSource(this.components);
 			((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).BeginInit();
@@ -160,7 +160,7 @@
 		#endregion
 
 		private System.Windows.Forms.DataGridView dataGridView1;
-		private Class1 class11;
+		private BinLayoutView class11;
 		private System.Windows.Forms.DataGridViewTextBoxColumn spacingDataGridViewTextBoxColumn;
 		private System.Windows.Forms.DataGridViewTextBoxColumn lengthDataGridViewTextBoxColumn;
 		private System.Windows.Forms.DataGridViewTextBoxColumn usedLengthDataGridViewTextBoxColumn;