Advanced users can now directly edit search filter queries.

src/blenderbim/blenderbim/bim/helper.py

@@ -277,15 +277,17 @@ def draw_filter(layout, props, data, module):
     if not data.is_loaded:
         data.load()
 
-    row = layout.row(align=True)
-    row.label(text=f"{len(data.data['saved_searches'])} Saved Searches")
+    if tool.Ifc.get():
+        row = layout.row(align=True)
+        row.label(text=f"{len(data.data['saved_searches'])} Saved Searches")
 
-    if data.data["saved_searches"]:
-        row.operator("bim.load_search", text="", icon="IMPORT").module = module
-    row.operator("bim.save_search", text="", icon="EXPORT").module = module
+        if data.data["saved_searches"]:
+            row.operator("bim.load_search", text="", icon="IMPORT").module = module
+        row.operator("bim.save_search", text="", icon="EXPORT").module = module
 
     row = layout.row(align=True)
     row.operator("bim.add_filter_group", text="Add Search Group", icon="ADD").module = module
+    row.operator("bim.edit_filter_query", text="", icon="FILTER").module = module
 
     for i, filter_group in enumerate(props.filter_groups):
         box = layout.box()

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

@@ -26,6 +26,7 @@ classes = (
     operator.AddFilterGroup,
     operator.AddToIfcGroup,
     operator.ColourByProperty,
+    operator.EditFilterQuery,
     operator.FilterModelElements,
     operator.IfcSelector,
     operator.LoadColourscheme,

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

@@ -40,6 +40,8 @@ class SearchData:
 
     @classmethod
     def saved_searches(cls):
+        if not tool.Ifc.get():
+            return []
         groups = tool.Ifc.get().by_type("IfcGroup")
         results = []
         for group in groups:

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

@@ -151,6 +151,44 @@ class SelectFilterElements(bpy.types.Operator):
         return {"FINISHED"}
 
 
+class EditFilterQuery(Operator, tool.Ifc.Operator):
+    bl_idname = "bim.edit_filter_query"
+    bl_label = "Edit Filter Query"
+    bl_description = "Edit the underlying filter query for advanced users"
+    bl_options = {"REGISTER", "UNDO"}
+    query: StringProperty(name="Query")
+    module: StringProperty()
+
+    def _execute(self, context):
+        if self.query == self.old_query:
+            return
+
+        if self.module == "search":
+            props = context.scene.BIMSearchProperties
+        elif self.module == "csv":
+            props = context.scene.CsvProperties
+
+        try:
+            tool.Search.import_filter_query(self.query, props.filter_groups)
+        except:
+            return
+
+    def draw(self, context):
+        row = self.layout.row()
+        row.prop(self, "query", text="")
+
+    def invoke(self, context, event):
+        if self.module == "search":
+            props = context.scene.BIMSearchProperties
+        elif self.module == "csv":
+            props = context.scene.CsvProperties
+
+        self.query = tool.Search.export_filter_query(props.filter_groups)
+        self.old_query = self.query
+
+        return context.window_manager.invoke_props_dialog(self)
+
+
 class Search(Operator):
     bl_idname = "bim.search"
     bl_label = "Search"
@@ -223,7 +261,7 @@ class LoadSearch(Operator, tool.Ifc.Operator):
         elif self.module == "csv":
             props = context.scene.CsvProperties
         group = tool.Ifc.get().by_id(int(context.scene.BIMSearchProperties.saved_searches))
-        query = tool.Search.import_filter_query(group, props.filter_groups)
+        query = tool.Search.import_filter_query(tool.Search.get_group_query(group), props.filter_groups)
 
     def draw(self, context):
         props = context.scene.BIMSearchProperties

src/blenderbim/blenderbim/tool/search.py

@@ -9,8 +9,11 @@ from ifcopenshell.util.selector import Selector
 
 class Search(blenderbim.core.tool.Search):
     @classmethod
-    def import_filter_query(cls, group, filter_groups):
-        query = json.loads(group.Description)["query"]
+    def get_group_query(cls, group):
+        return json.loads(group.Description)["query"]
+
+    @classmethod
+    def import_filter_query(cls, query, filter_groups):
         filter_groups.clear()
         transformer = ImportFilterQueryTransformer(filter_groups)
         transformer.transform(ifcopenshell.util.selector.filter_elements_grammar.parse(query))