From f2e203d6992d7ef6983784e4a7391110c52dcda7 Mon Sep 17 00:00:00 2001
From: Dion Moult <dion@thinkmoult.com>
Date: Wed, 25 Mar 2020 15:03:06 +1100
Subject: [PATCH] Show topic reference links and allow browsing of links

---
 src/ifcblenderexport/blenderbim/__init__.py |  2 ++
 src/ifcblenderexport/blenderbim/operator.py | 11 +++++++++++
 src/ifcblenderexport/blenderbim/prop.py     | 12 ++++++++++++
 src/ifcblenderexport/blenderbim/ui.py       |  8 +++++++-
 4 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/src/ifcblenderexport/blenderbim/__init__.py b/src/ifcblenderexport/blenderbim/__init__.py
index bb1dd4c577..5e2787121a 100644
--- a/src/ifcblenderexport/blenderbim/__init__.py
+++ b/src/ifcblenderexport/blenderbim/__init__.py
@@ -36,6 +36,7 @@ if bpy is not None:
         operator.SelectBcfFile,
         operator.GetBcfTopics,
         operator.ActivateBcfViewpoint,
+        operator.OpenBcfReferenceLink,
         operator.SelectFeaturesDir,
         operator.SelectDiffJsonFile,
         operator.SelectDiffNewFile,
@@ -106,6 +107,7 @@ if bpy is not None:
         operator.Uninstall,
         prop.BcfTopic,
         prop.BcfTopicLabel,
+        prop.BcfTopicLink,
         prop.Subcontext,
         prop.BIMProperties,
         prop.BCFProperties,
diff --git a/src/ifcblenderexport/blenderbim/operator.py b/src/ifcblenderexport/blenderbim/operator.py
index bab7ec78c3..2ac7654857 100644
--- a/src/ifcblenderexport/blenderbim/operator.py
+++ b/src/ifcblenderexport/blenderbim/operator.py
@@ -3,6 +3,7 @@ import bpy
 import time
 import json
 import logging
+import webbrowser
 import ifcopenshell
 from . import export_ifc
 from . import import_ifc
@@ -446,6 +447,16 @@ class ActivateBcfViewpoint(bpy.types.Operator):
         return {'FINISHED'}
 
 
+class OpenBcfReferenceLink(bpy.types.Operator):
+    bl_idname = 'bim.open_bcf_reference_link'
+    bl_label = 'Open BCF Reference Link'
+    index: bpy.props.IntProperty()
+
+    def execute(self, context):
+        webbrowser.open(bpy.context.scene.BCFProperties.topic_links[self.index].name)
+        return {'FINISHED'}
+
+
 class SelectAudited(bpy.types.Operator):
     bl_idname = 'bim.select_audited'
     bl_label = 'Select Audited'
diff --git a/src/ifcblenderexport/blenderbim/prop.py b/src/ifcblenderexport/blenderbim/prop.py
index 6f47176faf..21966d84b9 100644
--- a/src/ifcblenderexport/blenderbim/prop.py
+++ b/src/ifcblenderexport/blenderbim/prop.py
@@ -368,6 +368,10 @@ class BcfTopicLabel(PropertyGroup):
     name: StringProperty(name='Name')
 
 
+class BcfTopicLink(PropertyGroup):
+    name: StringProperty(name='Name')
+
+
 def refreshBcfTopic(self, context):
     global bcfviewpoints_enum
     import bcfplugin
@@ -396,12 +400,19 @@ def refreshBcfTopic(self, context):
     else:
         props.topic_due_date = ''
     props.topic_description = topic.description
+
     while len(props.topic_labels) > 0:
         props.topic_labels.remove(0)
     for label in topic.labels:
         new = props.topic_labels.add()
         new.name = label.value
 
+    while len(props.topic_links) > 0:
+        props.topic_links.remove(0)
+    for link in topic.referenceLinks:
+        new = props.topic_links.add()
+        new.name = link.value
+
     # Load viewpoints
     bcfviewpoints_enum.clear()
     viewpoints = bcfplugin.getViewpoints(topic)
@@ -508,6 +519,7 @@ class BCFProperties(PropertyGroup):
     topic_due_date: StringProperty(default='', name='Topic Due Date')
     topic_description: StringProperty(default='', name='Topic Description')
     topic_labels: CollectionProperty(name='BCF Topic Labels', type=BcfTopicLabel)
+    topic_links: CollectionProperty(name='BCF Topic Links', type=BcfTopicLink)
 
 
 class MapConversion(PropertyGroup):
diff --git a/src/ifcblenderexport/blenderbim/ui.py b/src/ifcblenderexport/blenderbim/ui.py
index db3be2e949..54e70557dc 100644
--- a/src/ifcblenderexport/blenderbim/ui.py
+++ b/src/ifcblenderexport/blenderbim/ui.py
@@ -575,8 +575,14 @@ class BIM_PT_bcf(Panel):
         row = layout.row()
         row.prop(props, 'topic_due_date', text='Due Date')
 
+        layout.label(text="Reference Links:")
+        for index, label in enumerate(props.topic_links):
+            row = layout.row(align=True)
+            row.prop(label, 'name', text='')
+            row.operator('bim.open_bcf_reference_link', icon='URL', text='').index = index
+
         layout.label(text="Labels:")
-        for i, label in enumerate(props.topic_labels):
+        for index, label in enumerate(props.topic_labels):
             row = layout.row(align=True)
             row.prop(label, 'name', text='')