From 78d33b4ffd14d47d209c67a4106e94e663e56e82 Mon Sep 17 00:00:00 2001
From: Dion Moult <dion@thinkmoult.com>
Date: Mon, 17 Aug 2020 21:12:31 +1000
Subject: [PATCH] Support converting drawings to PDF on the fly

---
 src/ifcblenderexport/blenderbim/bim/operator.py | 15 ++++++++++++++-
 src/ifcblenderexport/blenderbim/bim/ui.py       |  5 +++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/ifcblenderexport/blenderbim/bim/operator.py b/src/ifcblenderexport/blenderbim/bim/operator.py
index 03b47a91a5..a254527779 100644
--- a/src/ifcblenderexport/blenderbim/bim/operator.py
+++ b/src/ifcblenderexport/blenderbim/bim/operator.py
@@ -2227,9 +2227,22 @@ class CreateSheets(bpy.types.Operator):
 
     def execute(self, context):
         props = bpy.context.scene.DocProperties
+        name = props.sheets[props.active_sheet_index].name
         sheet_builder = sheeter.SheetBuilder()
         sheet_builder.data_dir = bpy.context.scene.BIMProperties.data_dir
-        sheet_builder.build(props.sheets[props.active_sheet_index].name)
+        sheet_builder.build(name)
+        svg2pdf_command = bpy.context.preferences.addons['blenderbim'].preferences.svg2pdf_command
+        if not svg2pdf_command:
+            webbrowser.open('file://' + os.path.join(bpy.context.scene.BIMProperties.data_dir, 'build', name, name + '.svg'))
+            return {'FINISHED'}
+        import subprocess
+        path = os.path.join(bpy.context.scene.BIMProperties.data_dir, 'build', name)
+        svg = os.path.join(path, name + '.svg')
+        pdf = os.path.join(path, name + '.pdf')
+        # With great power comes great responsibility. Example:
+        # ['inkscape', svg, '-o', pdf]
+        subprocess.run(eval(svg2pdf_command))
+        webbrowser.open('file://' + os.path.join(pdf))
         return {'FINISHED'}
 
 
diff --git a/src/ifcblenderexport/blenderbim/bim/ui.py b/src/ifcblenderexport/blenderbim/bim/ui.py
index a7a8bffc3d..56d80f75ac 100644
--- a/src/ifcblenderexport/blenderbim/bim/ui.py
+++ b/src/ifcblenderexport/blenderbim/bim/ui.py
@@ -1,5 +1,7 @@
 import bpy
 from bpy.types import Panel
+from bpy.props import StringProperty
+
 
 class BIM_PT_object(Panel):
     bl_label = 'IFC Object'
@@ -1777,6 +1779,7 @@ class BIM_UL_representation_items(bpy.types.UIList):
 
 class BIM_ADDON_preferences(bpy.types.AddonPreferences):
     bl_idname = 'blenderbim'
+    svg2pdf_command: StringProperty(name="SVG to PDF Command")
 
     def draw(self, context):
         layout = self.layout
@@ -1786,6 +1789,8 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         row = layout.row()
         row.operator('bim.open_upstream', text='Visit Wiki').page = 'wiki'
         row.operator('bim.open_upstream', text='Visit Community').page = 'community'
+        row = layout.row()
+        row.prop(self, 'svg2pdf_command')
 
 
 class BIM_PT_ifcclash(Panel):