Construction Type Browser, 2nd iteration (#2334)

* Polish a bit the type browser UI

* Remove SELECT from type browser

* model and geometry module tests fixed

* Polishing of type authoring layout redesign

src/blenderbim/blenderbim/bim/module/model/data.py

@@ -42,6 +42,7 @@ class AuthoringData:
         cls.props = bpy.context.scene.BIMModelProperties
         cls.load_ifc_classes()
         cls.load_relating_types()
+        cls.load_relating_types_browser()
         cls.load_preview_constr_types()
 
     @classmethod
@@ -52,6 +53,10 @@ class AuthoringData:
     def load_relating_types(cls):
         cls.data["relating_types_ids"] = cls.relating_types()
 
+    @classmethod
+    def load_relating_types_browser(cls):
+        cls.data["relating_types_browser_ids"] = cls.relating_types_browser()
+
     @classmethod
     def load_preview_constr_types(cls):
         cls.data["preview_constr_types"] = preview_icon_ids
@@ -88,6 +93,10 @@ class AuthoringData:
     def relating_types(cls, ifc_class=None):
         return [(str(e.id()), e.Name, e.Description or "") for e in cls.constr_class_entities(ifc_class=ifc_class)]
 
+    @classmethod
+    def relating_types_browser(cls):
+        return cls.relating_types(ifc_class=cls.props.ifc_class_browser)
+
     @staticmethod
     def new_relating_type_info(ifc_class):
         relating_type_info = bpy.context.scene.ConstrTypeInfo.add()
@@ -137,9 +146,9 @@ class AuthoringData:
                 col.objects.unlink(obj)
 
     @classmethod
-    def assetize_relating_type_from_selection(cls):
+    def assetize_relating_type_from_selection(cls, browser=False):
-        ifc_class= cls.props.ifc_class
+        ifc_class = cls.props.ifc_class_browser if browser else cls.props.ifc_class
-        relating_type_id = cls.props.relating_type_id
+        relating_type_id = cls.props.relating_type_id_browser if browser else cls.props.relating_type_id
         constr_class_occurrences = cls.constr_class_entities(ifc_class=ifc_class)
         constr_class_occurrences = [
             entity for entity in constr_class_occurrences if entity.id() == int(relating_type_id)

src/blenderbim/blenderbim/bim/module/model/product.py

@@ -193,13 +193,10 @@ class DisplayConstrTypes(bpy.types.Operator):
         if not AuthoringData.is_loaded:
             AuthoringData.load()
         props = context.scene.BIMModelProperties
-        if props.unfold_relating_types:
+        ifc_class = props.ifc_class
-            ifc_class = props.ifc_class
+        relating_type_info = AuthoringData.relating_type_info(ifc_class)
-            relating_type_info = AuthoringData.relating_type_info(ifc_class)
+        if relating_type_info is None or not relating_type_info.fully_loaded:
-            if relating_type_info is None or not relating_type_info.fully_loaded:
+            AuthoringData.assetize_constr_class(ifc_class)
-                AuthoringData.assetize_constr_class(ifc_class)
-        else:
-            prop.update_relating_type(props, context)
         bpy.ops.bim.display_constr_types_ui("INVOKE_DEFAULT")
         return {"FINISHED"}
 

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

@@ -33,16 +33,24 @@ def get_relating_type(self, context):
     return AuthoringData.data["relating_types_ids"]
 
 
-def update_icon_id(self, context):
+def get_relating_type_browser(self, context):
-    ifc_class = self.ifc_class
+    if not AuthoringData.is_loaded:
-    relating_type_id = self.relating_type_id
+        AuthoringData.load()
+    return AuthoringData.data["relating_types_browser_ids"]
+
+
+def update_icon_id(self, context, browser=False):
+    ifc_class = self.ifc_class_browser if browser else self.ifc_class
+    relating_type_id = self.relating_type_id_browser if browser else self.relating_type_id
     relating_type = AuthoringData.relating_type_name_by_id(ifc_class, relating_type_id)
     if (
         ifc_class not in AuthoringData.data["preview_constr_types"]
         or relating_type_id not in AuthoringData.data["preview_constr_types"][ifc_class]
     ) and relating_type is not None:
-        if not AuthoringData.assetize_relating_type_from_selection():
+        if not AuthoringData.assetize_relating_type_from_selection(browser=browser):
             return
+    if ifc_class not in AuthoringData.data["preview_constr_types"]:
+        pass
     self.icon_id = AuthoringData.data["preview_constr_types"][ifc_class][relating_type_id]["icon_id"]
 
 
@@ -51,13 +59,17 @@ def update_ifc_class(self, context):
     AuthoringData.load_relating_types()
     if self.updating:
         return
-    if self.unfold_relating_types:
+
-        ifc_class = self.ifc_class
+
-        relating_type_info = AuthoringData.relating_type_info(ifc_class)
+def update_ifc_class_browser(self, context):
-        if relating_type_info is None or not relating_type_info.fully_loaded:
+    AuthoringData.load_ifc_classes()
-            AuthoringData.assetize_constr_class(ifc_class)
+    AuthoringData.load_relating_types_browser()
-    else:
+    if self.updating:
-        self.relating_type_id = AuthoringData.data["relating_types_ids"][0][0]
+        return
+    ifc_class = self.ifc_class_browser
+    relating_type_info = AuthoringData.relating_type_info(ifc_class)
+    if relating_type_info is None or not relating_type_info.fully_loaded:
+        AuthoringData.assetize_constr_class(ifc_class)
 
 
 def update_relating_type(self, context):
@@ -66,6 +78,12 @@ def update_relating_type(self, context):
         update_icon_id(self, context)
 
 
+def update_relating_type_browser(self, context):
+    AuthoringData.load_relating_types_browser()
+    if not self.updating:
+        update_icon_id(self, context, browser=True)
+
+
 def update_relating_type_by_name(self, context):
     AuthoringData.load_relating_types()
     relating_type_id = AuthoringData.relating_type_id_by_name(self.ifc_class, self.relating_type)
@@ -73,8 +91,8 @@ def update_relating_type_by_name(self, context):
         self.relating_type_id = relating_type_id
 
 
-def update_unfold_relating_type(self, context):
+def update_preview_multiple(self, context):
-    if self.unfold_relating_types:
+    if self.preview_multiple_constr_types:
         ifc_class = self.ifc_class
         relating_type_info = AuthoringData.relating_type_info(ifc_class)
         if relating_type_info is None or not relating_type_info.fully_loaded:
@@ -85,12 +103,17 @@ def update_unfold_relating_type(self, context):
 
 class BIMModelProperties(PropertyGroup):
     ifc_class: bpy.props.EnumProperty(items=get_ifc_class, name="Construction Class", update=update_ifc_class)
+    ifc_class_browser: bpy.props.EnumProperty(items=get_ifc_class, name="Construction Class",
+                                              update=update_ifc_class_browser)
     relating_type: bpy.props.StringProperty(update=update_relating_type_by_name)
     relating_type_id: bpy.props.EnumProperty(
         items=get_relating_type, name="Construction Type", update=update_relating_type
     )
+    relating_type_id_browser: bpy.props.EnumProperty(
+        items=get_relating_type_browser, name="Construction Type", update=update_relating_type_browser
+    )
     icon_id: bpy.props.IntProperty()
-    unfold_relating_types: bpy.props.BoolProperty(update=update_unfold_relating_type)
+    preview_multiple_constr_types: bpy.props.BoolProperty(default=False, update=update_preview_multiple)
     updating: bpy.props.BoolProperty(default=False)
     occurrence_name_style: bpy.props.EnumProperty(
         items=[("CLASS", "By Class", ""), ("TYPE", "By Type", ""), ("CUSTOM", "Custom", "")],

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

@@ -16,7 +16,6 @@
 # You should have received a copy of the GNU General Public License
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
 
-import math
 from bpy.types import Panel, Operator
 from blenderbim.bim.module.model.data import AuthoringData
 from blenderbim.bim.helper import prop_with_search, close_operator_panel
@@ -54,34 +53,19 @@ class DisplayConstrTypesUI(Operator):
         return {"FINISHED"}
 
     def invoke(self, context, event):
-        return context.window_manager.invoke_popup(self)
+        return context.window_manager.invoke_popup(self, width=550)
 
     def draw(self, context):
         props = context.scene.BIMModelProperties
-        self.draw_header(props)
-        if props.unfold_relating_types:
-            self.draw_by_ifc_class(props)
-        else:
-            self.draw_by_ifc_class_and_type(props)
-        self.draw_footer(props)
-
-    def draw_header(self, props):
         if AuthoringData.data["ifc_classes"]:
             row = self.layout.row()
             row.label(text="", icon="FILE_VOLUME")
-            prop_with_search(row, props, "ifc_class", text="")
+            prop_with_search(row, props, "ifc_class_browser", text="")
-
+        ifc_class = props.ifc_class_browser
-    def draw_footer(self, props):
-        row = self.layout.row()
-        row.prop(data=props, property="unfold_relating_types", text="Show more")
-        row.operator("bim.help_relating_types", text="", icon="QUESTION")
-
-    def draw_by_ifc_class(self, props):
-        ifc_class = props.ifc_class
         num_cols = 3
         self.layout.row().separator(factor=0.25)
         flow = self.layout.grid_flow(row_major=True, columns=num_cols, even_columns=True, even_rows=True, align=True)
-        relating_types = AuthoringData.relating_types()
+        relating_types = AuthoringData.relating_types_browser()
         num_types = len(relating_types)
         for idx, (relating_type_id, name, desc) in enumerate(relating_types):
             outer_col = flow.column()
@@ -102,27 +86,13 @@ class DisplayConstrTypesUI(Operator):
             op.ifc_class = ifc_class
             if relating_type_id.isnumeric():
                 op.relating_type_id = int(relating_type_id)
-            factor = 2 if idx + 1 < math.ceil(num_types / num_cols) else 1.5
         last_row_cols = num_types % num_cols
         if last_row_cols != 0:
             for _ in range(num_cols - last_row_cols):
                 flow.column()
-
-    def draw_by_ifc_class_and_type(self, props):
-        ifc_class = props.ifc_class
-        relating_type_id = props.relating_type_id
-        if AuthoringData.data["relating_types_ids"]:
-            row = self.layout.row()
-            row.label(text="", icon="FILE_3D")
-            prop_with_search(row, props, "relating_type_id", text="")
-        box = self.layout.box()
-        box.template_icon(icon_value=props.icon_id, scale=7)
         row = self.layout.row()
-        op = row.operator("bim.add_constr_type_instance", icon="ADD")
+        row.alignment = "RIGHT"
-        op.from_invoke = True
+        row.operator("bim.help_relating_types", text="", icon="QUESTION")
-        op.ifc_class = ifc_class
-        if relating_type_id.isnumeric():
-            op.relating_type_id = int(relating_type_id)
 
 
 class HelpConstrTypes(Operator):

src/blenderbim/blenderbim/bim/module/model/workspace.py

@@ -23,6 +23,7 @@ from blenderbim.bim.helper import prop_with_search, close_operator_panel
 from bpy.types import WorkSpaceTool
 from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.module.model.data import AuthoringData
+from blenderbim.bim.module.model import prop
 
 
 class BimTool(WorkSpaceTool):
@@ -53,70 +54,80 @@ class BimTool(WorkSpaceTool):
     )
 
     def draw_settings(context, layout, tool):
-        if not AuthoringData.is_loaded and IfcStore.get_file():
-            AuthoringData.load()
-
         props = context.scene.BIMModelProperties
         is_tool_header = context.region.type == "TOOL_HEADER"
+        is_sidebar = context.region.type == "UI"
+
         row = layout.row(align=True)
         if not IfcStore.get_file():
             row.label(text="No IFC Project", icon="ERROR")
             return
 
-        ifc_classes = AuthoringData.data["ifc_classes"]
+        if not AuthoringData.is_loaded:
-        relating_types_ids = AuthoringData.data["relating_types_ids"]
+            AuthoringData.load()
+
+        ifc_classes = AuthoringData.data[
+            "ifc_classes"] if "ifc_classes" in AuthoringData.data else False
+        relating_types_ids = AuthoringData.data[
+            "relating_types_ids"] if "relating_types_ids" in AuthoringData.data else False
+
+        if ifc_classes and relating_types_ids and not props.icon_id:
+            # hack Dion won't like to show a preview also on the first time the sidebar is shown
+            bpy.app.timers.register(lambda: prop.update_relating_type(props, context))
 
         ifc_class = props.ifc_class
         relating_type_id = props.relating_type_id
-        relating_type = AuthoringData.relating_type_name_by_id(ifc_class, relating_type_id)
 
         if is_tool_header:
+            row = layout.row(align=True)
             if ifc_classes:
                 row.label(text="", icon="FILE_VOLUME")
-                row.label(text=ifc_class)
+                row.prop(data=props, property="ifc_class", text="")
+            else:
+                row.label(text="No Construction Class", icon="FILE_VOLUME")
+            row = layout.row(align=True)
+            if relating_types_ids:
                 row.label(text="", icon="FILE_3D")
-                row.label(text=f"{relating_type}  ")
+                row.prop(data=props, property="relating_type_id", text="")
+            else:
+                row.label(text="No Construction Type", icon="FILE_3D")
+            if ifc_classes:
+                row = layout.row()
                 row.operator("bim.display_constr_types", icon="TRIA_DOWN", text="")
-                row.operator("bim.display_constr_types", icon="VIEW_ORTHO", text="")
             row = layout.row(align=True)
             row.label(text="", icon="EVENT_SHIFT")
             row.label(text="", icon="EVENT_A")
             row.label(text=f" Add")
         else:
-            txt_ifc_class = ifc_class if ifc_classes else "No Construction Class"
-            txt_relating_type = relating_type if relating_types_ids else "No Construction Type"
             row = layout.row(align=True)
-            row.label(text=txt_ifc_class, icon="FILE_VOLUME")
+            if ifc_classes:
-            row = layout.row(align=True)
-            row.label(text=txt_relating_type, icon="FILE_3D")
-
-            if AuthoringData.data["ifc_classes"]:
-                row = layout.row()
                 row.label(text="", icon="FILE_VOLUME")
                 prop_with_search(row, props, "ifc_class", text="")
+            else:
+                row.label(text="No Construction Class", icon="FILE_VOLUME")
+            row = layout.row(align=True)
+            if relating_types_ids:
+                row.label(text="", icon="FILE_3D")
+                prop_with_search(row, props, "relating_type_id", text="")
+            else:
+                row.label(text="No Construction Type", icon="FILE_3D")
+            if is_sidebar and ifc_classes and relating_types_ids:
+                box = layout.box()
+                box.template_icon(icon_value=props.icon_id, scale=8)
+                row = layout.row()
+                op = row.operator("bim.add_constr_type_instance", icon="ADD")
+                op.from_invoke = True
+                op.ifc_class = ifc_class
+                if relating_type_id.isnumeric():
+                    op.relating_type_id = int(relating_type_id)
 
+            if ifc_classes:
                 row = layout.row(align=True)
                 row.label(text="", icon="EVENT_SHIFT")
                 row.label(text="", icon="EVENT_A")
                 row.label(text=f" Add Type Instance")
 
-            ifc_class = props.ifc_class
+        if ifc_classes:
-            relating_type_id = props.relating_type_id
-            if AuthoringData.data["relating_types_ids"]:
-                row = layout.row()
-                row.label(text="", icon="FILE_3D")
-                prop_with_search(row, props, "relating_type_id", text="")
-
-            box = layout.box()
-            box.template_icon(icon_value=props.icon_id, scale=7)
-            row = layout.row()
-            op = row.operator("bim.add_constr_type_instance", icon="ADD")
-            op.from_invoke = True
-            op.ifc_class = ifc_class
-            if relating_type_id.isnumeric():
-                op.relating_type_id = int(relating_type_id)
-
-        if AuthoringData.data["ifc_classes"]:
             if ifc_class == "IfcWallType":
                 row = layout.row()
                 row.label(text="Join")