Added PreferUpViewFlipDecider

ExportDXF/AskViewFlipDecider.cs

@@ -1,24 +0,0 @@
-using System.Windows.Forms;
-
-namespace ExportDXF
-{
-    public class AskViewFlipDecider : IViewFlipDecider
-    {
-        public string Name => "Ask to flip";
-
-        public bool ShouldFlip(SolidWorks.Interop.sldworks.View view)
-        {
-            var bends = ViewHelper.GetBends(view);
-
-            if (bends.Count == 0)
-                return false;
-
-            return MessageBox.Show("Flip view?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes;
-        }
-
-        public override string ToString()
-        {
-            return Name;
-        }
-    }
-}

ExportDXF/ExportDXF.csproj

@@ -88,10 +88,8 @@
     <Compile Include="BendOrientation.cs" />
     <Compile Include="Bounds.cs" />
     <Compile Include="DrawingInfo.cs" />
-    <Compile Include="AskViewFlipDecider.cs" />
     <Compile Include="Item.cs" />
     <Compile Include="IViewFlipDecider.cs" />
-    <Compile Include="ViewFlipDecider.cs" />
     <Compile Include="Helper.cs" />
     <Compile Include="Forms\MainForm.cs">
       <SubType>Form</SubType>
@@ -101,6 +99,7 @@
     </Compile>
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="ViewHelper.cs" />
     <EmbeddedResource Include="Forms\MainForm.resx">
       <DependentUpon>MainForm.cs</DependentUpon>
     </EmbeddedResource>

ExportDXF/Forms/MainForm.cs

@@ -662,9 +662,3 @@ namespace ExportDXF.Forms
         public IViewFlipDecider ViewFlipDecider { get; set; }
     }
 }
-
-
-
-namespace Helpers
-{
-}

ExportDXF/IViewFlipDecider.cs

@@ -1,4 +1,7 @@
-namespace ExportDXF
+using System.Linq;
+using System.Windows.Forms;
+
+namespace ExportDXF
 {
     public interface IViewFlipDecider
     {
@@ -6,4 +9,70 @@
 
         string Name { get; }
     }
+
+    public class AutoViewFlipDecider : IViewFlipDecider
+    {
+        public string Name => "Automatic";
+
+        public bool ShouldFlip(SolidWorks.Interop.sldworks.View view)
+        {
+            var orientation = ViewHelper.GetOrientation(view);
+            var bounds = ViewHelper.GetBounds(view);
+            var bends = ViewHelper.GetBends(view);
+
+            var up = bends.Where(b => b.Direction == BendDirection.Up).ToList();
+            var down = bends.Where(b => b.Direction == BendDirection.Down).ToList();
+
+            if (down.Count == 0)
+                return false;
+
+            if (up.Count == 0)
+                return true;
+
+            var bend = ViewHelper.ClosestToBounds(bounds, bends);
+
+            return bend.Direction == BendDirection.Down;
+        }
+    }
+
+    public class AskViewFlipDecider : IViewFlipDecider
+    {
+        public string Name => "Ask to flip";
+
+        public bool ShouldFlip(SolidWorks.Interop.sldworks.View view)
+        {
+            var bends = ViewHelper.GetBends(view);
+
+            if (bends.Count == 0)
+                return false;
+
+            return MessageBox.Show("Flip view?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes;
+        }
+
+        public override string ToString()
+        {
+            return Name;
+        }
+    }
+
+    public class PreferUpViewFlipDecider : IViewFlipDecider
+    {
+        public string Name => "Prefer up bends, ask if up/down";
+
+        public bool ShouldFlip(SolidWorks.Interop.sldworks.View view)
+        {
+            var bends = ViewHelper.GetBends(view);
+            var up = bends.Where(b => b.Direction == BendDirection.Up).ToList();
+            var down = bends.Where(b => b.Direction == BendDirection.Down).ToList();
+
+            if (up.Count > 0 && down.Count > 0)
+            {
+                return MessageBox.Show("Flip view?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes;
+            }
+            else
+            {
+                return down.Count > 0;
+            }
+        }
+    }
 }

ExportDXF/ViewHelper.cs

@@ -1,40 +1,11 @@
 using SolidWorks.Interop.sldworks;
 using System;
 using System.Collections.Generic;
-using System.ComponentModel;
 using System.Linq;
 using System.Text.RegularExpressions;
 
 namespace ExportDXF
 {
-    [DisplayName("Automatic")]
-    public class ViewFlipDecider : IViewFlipDecider
-    {
-        public string Name => "Automatic";
-
-        public bool ShouldFlip(SolidWorks.Interop.sldworks.View view)
-        {
-            var orientation = ViewHelper.GetOrientation(view);
-            var bounds = ViewHelper.GetBounds(view);
-            var bends = ViewHelper.GetBends(view);
-
-            var up = bends.Where(b => b.Direction == BendDirection.Up).ToList();
-            var down = bends.Where(b => b.Direction == BendDirection.Down).ToList();
-
-            if (down.Count == 0)
-                return false;
-
-            if (up.Count == 0)
-                return true;
-
-            var bend = ViewHelper.ClosestToBounds(bounds, bends);
-
-            return bend.Direction == BendDirection.Down;
-        }
-
-
-    }
-
     internal static class ViewHelper
     {
         public static Bounds GetBounds(SolidWorks.Interop.sldworks.View view)