Fix #3472. You can now toggle selectability of linked IFCs.

src/blenderbim/blenderbim/bim/module/project/__init__.py

@@ -41,6 +41,7 @@ classes = (
     operator.SaveLibraryFile,
     operator.SelectLibraryFile,
     operator.ToggleFilterCategories,
+    operator.ToggleLinkSelectability,
     operator.ToggleLinkVisibility,
     operator.UnassignLibraryDeclaration,
     operator.UnlinkIfc,

src/blenderbim/blenderbim/bim/module/project/operator.py

@@ -880,6 +880,27 @@ class LoadLink(bpy.types.Operator):
         return {"FINISHED"}
 
 
+class ToggleLinkSelectability(bpy.types.Operator):
+    bl_idname = "bim.toggle_link_selectability"
+    bl_label = "Toggle Link Selectability"
+    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Toggle selectability"
+    link: bpy.props.StringProperty()
+
+    def execute(self, context):
+        props = context.scene.BIMProjectProperties
+        link = props.links.get(self.link)
+        for collection in self.get_linked_collections():
+            collection.hide_select = not collection.hide_select
+            link.is_selectable = not collection.hide_select
+        return {"FINISHED"}
+
+    def get_linked_collections(self):
+        return [
+            c for c in bpy.data.collections if "IfcProject" in c.name and c.library and c.library.filepath == self.link
+        ]
+
+
 class ToggleLinkVisibility(bpy.types.Operator):
     bl_idname = "bim.toggle_link_visibility"
     bl_label = "Toggle Link Visibility"

src/blenderbim/blenderbim/bim/module/project/prop.py

@@ -93,6 +93,7 @@ class FilterCategory(PropertyGroup):
 class Link(PropertyGroup):
     name: StringProperty(name="Name")
     is_loaded: BoolProperty(name="Is Loaded", default=False)
+    is_selectable: BoolProperty(name="Is Selectable", default=True)
     is_wireframe: BoolProperty(name="Is Wireframe", default=False)
     is_hidden: BoolProperty(name="Is Hidden", default=False)
 

src/blenderbim/blenderbim/bim/module/project/ui.py

@@ -350,6 +350,13 @@ class BIM_UL_links(UIList):
             row = layout.row(align=True)
             if item.is_loaded:
                 row.label(text=item.name)
+                op = row.operator(
+                    "bim.toggle_link_selectability",
+                    text="",
+                    icon="RESTRICT_SELECT_OFF" if item.is_selectable else "RESTRICT_SELECT_ON",
+                    emboss=False,
+                )
+                op.link = item.name
                 op = row.operator(
                     "bim.toggle_link_visibility",
                     text="",