Refactored MainForm

ExportDXF/Models/DocumentType.cs

@@ -0,0 +1,13 @@
+namespace ExportDXF.Models
+{
+    /// <summary>
+    /// Enumeration of SolidWorks document types.
+    /// </summary>
+    public enum DocumentType
+    {
+        Unknown,
+        Part,
+        Assembly,
+        Drawing
+    }
+}

ExportDXF/Models/ExportContext.cs

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+using ExportDXF.ViewFlipDeciders;
+using System;
+using System.Drawing;
+using System.Threading;
+
+namespace ExportDXF.Services
+{
+    /// <summary>
+    /// Context object containing all information needed for an export operation.
+    /// </summary>
+    public class ExportContext
+    {
+        /// <summary>
+        /// The document to be exported.
+        /// </summary>
+        public SolidWorksDocument ActiveDocument { get; set; }
+
+        /// <summary>
+        /// The view flip decider to determine if views should be flipped.
+        /// </summary>
+        public IViewFlipDecider ViewFlipDecider { get; set; }
+
+        /// <summary>
+        /// Prefix to prepend to exported filenames.
+        /// </summary>
+        public string FilePrefix { get; set; }
+
+        /// <summary>
+        /// Cancellation token for canceling the export operation.
+        /// </summary>
+        public CancellationToken CancellationToken { get; set; }
+
+        /// <summary>
+        /// Callback for reporting progress and status messages.
+        /// </summary>
+        public Action<string, Color?> ProgressCallback { get; set; }
+    }
+}

ExportDXF/Models/Item.cs

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+using SolidWorks.Interop.sldworks;
+
+namespace ExportDXF.Services
+{
+    /// <summary>
+    /// Represents an item extracted from a BOM or assembly.
+    /// </summary>
+    public class Item
+    {
+        /// <summary>
+        /// Item number from the BOM.
+        /// </summary>
+        public string ItemNo { get; set; }
+
+        /// <summary>
+        /// Part name or file name.
+        /// </summary>
+        public string PartName { get; set; }
+
+        /// <summary>
+        /// Configuration name.
+        /// </summary>
+        public string Configuration { get; set; }
+
+        /// <summary>
+        /// Item description.
+        /// </summary>
+        public string Description { get; set; }
+
+        /// <summary>
+        /// Quantity of this item.
+        /// </summary>
+        public int Quantity { get; set; }
+
+        /// <summary>
+        /// Material specification.
+        /// </summary>
+        public string Material { get; set; }
+
+        /// <summary>
+        /// Sheet metal thickness in millimeters.
+        /// </summary>
+        public double Thickness { get; set; }
+
+        /// <summary>
+        /// Sheet metal K-factor.
+        /// </summary>
+        public double KFactor { get; set; }
+
+        /// <summary>
+        /// Bend radius in millimeters.
+        /// </summary>
+        public double BendRadius { get; set; }
+
+        /// <summary>
+        /// The exported DXF filename (without path or extension).
+        /// </summary>
+        public string FileName { get; set; }
+
+        /// <summary>
+        /// The SolidWorks component reference.
+        /// </summary>
+        public Component2 Component { get; set; }
+    }
+}

ExportDXF/Models/SolidWorksDocument.cs

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+using ExportDXF.Models;
+
+namespace ExportDXF.Services
+{
+    /// <summary>
+    /// Represents a SolidWorks document with essential metadata.
+    /// </summary>
+    public class SolidWorksDocument
+    {
+        /// <summary>
+        /// The title/name of the document.
+        /// </summary>
+        public string Title { get; set; }
+
+        /// <summary>
+        /// The full file path of the document.
+        /// </summary>
+        public string FilePath { get; set; }
+
+        /// <summary>
+        /// The type of document (Part, Assembly, or Drawing).
+        /// </summary>
+        public DocumentType DocumentType { get; set; }
+
+        /// <summary>
+        /// The native SolidWorks document object (ModelDoc2, PartDoc, etc.).
+        /// </summary>
+        public object NativeDocument { get; set; }
+    }
+}