From 9520b0b571c1a57db4ee5f042493b2003effd3d2 Mon Sep 17 00:00:00 2001
From: Jim Foltz <jim.foltz@gmail.com>
Date: Tue, 28 Feb 2017 08:38:34 -0500
Subject: [PATCH] Add Option for Mesh Repair (#169)

---
 src/sketchup-stl/html/importer.html |  5 +++++
 src/sketchup-stl/importer.rb        | 17 +++++++++++++----
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/sketchup-stl/html/importer.html b/src/sketchup-stl/html/importer.html
index 4d53ba4..aae8ed4 100644
--- a/src/sketchup-stl/html/importer.html
+++ b/src/sketchup-stl/html/importer.html
@@ -23,6 +23,11 @@
     <input type="checkbox" id="chkMergeCoplanar" />
     <span class="ui_string">Merge coplanar faces</span>
   </label>
+
+  <label id="repair" class="checkbox">
+    <input type="checkbox" id="chkRepair" />
+    <span class="ui_string">Attempt to repair non-solids</span>
+  </label>
 </fieldset>
 
 <fieldset id="scale">
diff --git a/src/sketchup-stl/importer.rb b/src/sketchup-stl/importer.rb
index e4b8335..3382903 100644
--- a/src/sketchup-stl/importer.rb
+++ b/src/sketchup-stl/importer.rb
@@ -49,6 +49,7 @@ def initialize
         @stl_units = UNIT_MILLIMETERS
         @stl_merge = false
         @stl_preserve_origin = true
+        @stl_repair = true
         @option_window = nil # (See comment at top of `stl_dialog()`.)
       end
 
@@ -72,7 +73,7 @@ def do_options
         stl_dialog
       end
 
-      def load_file(path,status)
+      def load_file(path, status)
         begin
           status = main(path)
         rescue => exception
@@ -91,6 +92,7 @@ def main(filename)
         @stl_merge           = read_setting('merge_faces',     @stl_merge)
         @stl_units           = read_setting('import_units',    @stl_units)
         @stl_preserve_origin = read_setting('preserve_origin', @stl_preserve_origin)
+        @stl_repair          = read_setting('repair',          @stl_repair)
         # Wrap everything into one operation, ensuring compatibility with older
         # SketchUp versions that did not feature the disable_ui argument.
         model = Sketchup.active_model
@@ -132,8 +134,9 @@ def main(filename)
         end
         # Check if the imported geometry is a solid. If not, attempt to
         # automatically repair it.
-        unless is_solid?(container.entities)
+        if @stl_repair && !is_solid?(container.entities)
           Sketchup.status_text = STL.translate('Repairing geometry...')
+          puts 'Repairing...' # TODO(thomthom): Temp debug! Remove!
           heal_geometry(container.entities)
         end
         # Clean up geometry.
@@ -334,7 +337,7 @@ def stl_dialog
           :left             => 300,
           :top              => 200,
           :width            => 330,
-          :height           => 265
+          :height           => 300
         }
 
         window = UI::WebDialog.new(window_options)
@@ -347,14 +350,17 @@ def stl_dialog
           merge_faces     = read_setting('merge_faces',     @stl_merge)
           current_unit    = read_setting('import_units',    @stl_units)
           preserve_origin = read_setting('preserve_origin', @stl_preserve_origin)
+          stl_repair      = read_setting('repair',          @stl_stl_repair)
           # Ensure they are in proper format. (Recovers from old settings)
           merge_faces     = ( merge_faces == true )
           current_unit    = current_unit.to_i
           preserve_origin = ( preserve_origin == true )
+          stl_repair      = ( stl_repair == true )
           # Update webdialog values.
           dialog.update_value('chkMergeCoplanar', merge_faces)
           dialog.update_value('lstUnits', current_unit)
           dialog.update_value('chkPreserveOrigin', preserve_origin)
+          dialog.update_value('chkRepair', stl_repair)
           # Localize UI
           ui_strings = window.parse_params(params)
           translated_ui_strings = ui_strings.map { |string|
@@ -368,7 +374,8 @@ def stl_dialog
           options = {
             :merge_coplanar   => dialog.get_element_value('chkMergeCoplanar'),
             :units            => dialog.get_element_value('lstUnits'),
-            :preserve_origin  => dialog.get_element_value('chkPreserveOrigin')
+            :preserve_origin  => dialog.get_element_value('chkPreserveOrigin'),
+            :repair           => dialog.get_element_value('chkRepair')
           }
           dialog.close
           #p options # DEBUG
@@ -376,10 +383,12 @@ def stl_dialog
           @stl_merge            = (options[:merge_coplanar] == 'true')
           @stl_preserve_origin  = (options[:preserve_origin] == 'true')
           @stl_units            = options[:units].to_i
+          @stl_stl_repair       = (options[:repair] == 'true')
           # Store last used preferences.
           write_setting('merge_faces',     @stl_merge)
           write_setting('import_units',    @stl_units)
           write_setting('preserve_origin', @stl_preserve_origin)
+          write_setting('repair',          @stl_stl_repair)
         }
 
         window.add_action_callback('Event_Cancel') { |dialog, params|