revamp loading and panels

__init__.py

@@ -245,6 +245,10 @@ class ABC3D_data(bpy.types.PropertyGroup):
             maxlen=1024,
             # update=font_path_update_callback,
             subtype="FILE_PATH")
+    export_dir: bpy.props.StringProperty(
+            name="Export Directory",
+            description=f"The directory in which we will export fonts.\nIf it is blank, we will export to the addon assets path.\nThis is where the fonts are installed.",
+            subtype="DIR_PATH")
 
 
 class ABC3D_UL_fonts(bpy.types.UIList):
@@ -278,25 +282,27 @@ class ABC3D_PT_Panel(bpy.types.Panel):
             layout.row().label(text='no fonts loaded yet')
 
         layout.operator(f"{__name__}.load_installed_fonts", text="load installed fonts", icon=icon)
-        layout.row().prop(context.scene.abc3d_data, "font_path")
-        layout.row().operator(f"{__name__}.install_font", text='Install new font')
 
 
-# class ABC3D_PT_LoadFontPanel(bpy.types.Panel):
+class ABC3D_PT_LoadFontPanel(bpy.types.Panel):
-    # bl_label = "Install a new font"
+    bl_label = "Install a new font"
-    # bl_parent_id = "ABC3D_PT_Panel"
+    bl_parent_id = "ABC3D_PT_Panel"
-    # bl_category = "ABC3D"
+    bl_category = "ABC3D"
-    # bl_space_type = "VIEW_3D"
+    bl_space_type = "VIEW_3D"
-    # bl_region_type = "UI"
+    bl_region_type = "UI"
 
-    # def draw(self, context):
+    def draw(self, context):
-        # layout = self.layout
+        layout = self.layout
-        # wm = context.window_manager
+        wm = context.window_manager
-        # scene = context.scene
+        scene = context.scene
 
-        # abc3d_data = scene.abc3d_data
+        abc3d_data = scene.abc3d_data
 
-        # layout.row().operator(f"{__name__}.install_font", text='Install new font')
+        box = layout.box()
+        box.row().label(text="1. Select fontfile")
+        box.row().prop(context.scene.abc3d_data, "font_path")
+        box.row().label(text="2. Install it:")
+        box.row().operator(f"{__name__}.install_font", text='Install new font')
 
 
 class ABC3D_PT_FontList(bpy.types.Panel):
@@ -477,7 +483,13 @@ class ABC3D_PT_FontCreation(bpy.types.Panel):
         abc3d_data = scene.abc3d_data
 
         layout.row().operator(f"{__name__}.create_font_from_objects", text='Create/Extend Font')
-        layout.row().operator(f"{__name__}.save_font_to_file", text='Save Font To File')
+        box = layout.box()
+        box.row().label(text="Exporting a fontfile")
+        box.row().label(text="1. Select export directory:")
+        box.prop(abc3d_data, 'export_dir')
+        box.row().label(text="2. More options and export:")
+
+        box.row().operator(f"{__name__}.save_font_to_file", text='Export Font To File')
         layout.row().operator(f"{__name__}.toggle_abc3d_collection", text='Toggle Collection')
         box = layout.box()
         box.label(text="metrics")
@@ -594,6 +606,7 @@ class ABC3D_OT_InstallFont(bpy.types.Operator):
         abc3d_data = context.scene.abc3d_data
         layout = self.layout
         # layout.row().prop(self, "font_path") # crashes on Mac OS?
+        # layout.row().prop(abc3d_data, "font_path") # closes the stupid panel on Mac OS..
         layout.row().prop(self, "install_in_assets")
         if not self.install_in_assets and not self.load_into_memory:
             layout.label(text="If the fontfile is not installed,")
@@ -742,7 +755,7 @@ class ABC3D_OT_AlignMetrics(bpy.types.Operator):
         return {'FINISHED'}
 
 class ABC3D_OT_TemporaryHelper(bpy.types.Operator):
-    """Temp Font 3D"""
+    """Temporary Helper ABC3D\nThis could do anything.\nIt's just there to make random functions available for testing."""
     bl_idname = f"{__name__}.temporaryhelper"
     bl_label = "Temp Font"
     bl_options = {'REGISTER', 'UNDO'}
@@ -848,7 +861,7 @@ class ABC3D_OT_PlaceText(bpy.types.Operator):
     text: bpy.props.StringProperty(
             name="Text",
             description="The text.",
-            default="HELLO",
+            default="ABC3D",
             maxlen=1024,
             )
     # target_object: bpy.props.PointerProperty(
@@ -891,7 +904,6 @@ class ABC3D_OT_PlaceText(bpy.types.Operator):
         global shared
         scene = bpy.context.scene
 
-        abc3d = scene.abc3d
         abc3d_data = scene.abc3d_data
 
         selected = bpy.context.view_layer.objects.active
@@ -953,7 +965,7 @@ class ABC3D_OT_ToggleABC3DCollection(bpy.types.Operator):
         fontcollection = bpy.data.collections.get("ABC3D")
 
         if fontcollection is None:
-            self.report({'INFO'}, f"{bl_info['name']}: There is no collection")
+            self.report({'INFO'}, f"{bl_info['name']}: There is no collection. Did you use or create any glyphs yet?")
         elif scene.collection.children.find(fontcollection.name) < 0:
             scene.collection.children.link(fontcollection)
             self.report({'INFO'}, f"{bl_info['name']}: show collection")
@@ -970,29 +982,39 @@ class ABC3D_OT_SaveFontToFile(bpy.types.Operator):
     bl_label = "Save Font"
     bl_options = {'REGISTER', 'UNDO'}
 
-    save_path: bpy.props.StringProperty(name="save_path", subtype="DIR_PATH")
-
     def invoke(self, context, event):
         wm = context.window_manager
+        preferences = getPreferences(context)
+        abc3d_data = context.scene.abc3d_data
+        if abc3d_data.export_dir == "":
+            abc3d_data.export_dir = os.path.join(preferences.assets_dir, "fonts")
         return wm.invoke_props_dialog(self)
 
-    # def draw(self, contex):
+    def draw(self, context):
-        # layout = self.layout
+        abc3d_data = context.scene.abc3d_data
-        # layout.prop(self, 'font_name')
+        layout = self.layout
-        # layout.prop(self, 'face_name')
+        layout.label(text="Available Fonts")
-        # layout.prop(self, 'import_infix')
+        layout.template_list("ABC3D_UL_fonts", "", abc3d_data, "available_fonts", abc3d_data, "active_font_index")
-        # layout.prop(self, 'fix_common_misspellings')
+        available_font = abc3d_data.available_fonts[abc3d_data.active_font_index]
-        # for k in Font.known_misspellings:
+        font_name = available_font.font_name
-            # character = ""
+        face_name = available_font.face_name
-            # if Font.known_misspellings[k] in Font.name_to_glyph_d:
+        loaded_glyphs = sorted(Font.fonts[font_name].faces[face_name].loaded_glyphs)
-                # character = f" ({Font.name_to_glyph_d[Font.known_misspellings[k]]})"
+        n = 16
-            # layout.label(text=f"{k} -> {Font.known_misspellings[k]}{character}")
+        n_rows = int(len(loaded_glyphs) / n)
+        box = layout.box()
+        box.row().label(text=f"Glyphs to be exported:")
+        subbox = box.box()
+        for i in range(0, n_rows + 1): 
+            text = ''.join([f"{u}" for ui, u in enumerate(loaded_glyphs) if ui < (i+1) * n and ui >= i * n])
+            scale_y = 0.5
+            row = subbox.row(); row.scale_y = scale_y
+            row.label(text=text)
+        layout.prop(abc3d_data, 'export_dir')
 
     def execute(self, context):
         global shared
         scene = bpy.context.scene
         abc3d_data = scene.abc3d_data
-        abc3d = scene.abc3d
 
         fontcollection = bpy.data.collections.get("ABC3D")
 
@@ -1049,7 +1071,7 @@ class ABC3D_OT_SaveFontToFile(bpy.types.Operator):
         context_override["selected_objects"] = list(export_objects)
         # context_override["scene"] = bpy.context.scene.copy()
         with bpy.context.temp_override(**context_override):
-            filepath = f"{preferences.assets_dir}/fonts/{selected_font.font_name}.gltf"
+            filepath = f"{abc3d_data.export_dir}/{selected_font.font_name}.glb"
             # get rid of scene extra data before export
             scene_keys = []
             for k in bpy.context.scene.keys():
@@ -1061,22 +1083,22 @@ class ABC3D_OT_SaveFontToFile(bpy.types.Operator):
             bpy.ops.export_scene.gltf(
                 filepath=filepath,
                 check_existing=False,
-                export_format='GLB', # GLB or GLTF_SEPARATE
+                export_format='GLB', # GLB or GLTF_SEPARATE (also change filepath)
                 export_extras=True,
-                # export_hierarchy_full_collections=True,
-                # use_active_collection_with_nested=True,
                 use_selection=True,
                 use_active_scene=True,
             )
-            # bpy.app.timers.register(lambda: bpy.ops.scene.delete(), first_interval=5)
+            bpy.app.timers.register(lambda: bpy.ops.scene.delete(), first_interval=1)
 
-            bpy.ops.scene.delete()
+            # bpy.ops.scene.delete()
         # restore()
 
+        def remove_faces():
             for obj in fontcollection.objects:
                 if obj["font_name"] == selected_font.font_name:
                     if butils.is_metrics_object(obj):
                         butils.remove_faces_from_metrics(obj)
+        bpy.app.timers.register(lambda: remove_faces(), first_interval=2)
         self.report({'INFO'}, f"did it")
 
         return {'FINISHED'}
@@ -1111,8 +1133,12 @@ class ABC3D_OT_CreateFontFromObjects(bpy.types.Operator):
         wm = context.window_manager
         return wm.invoke_props_dialog(self)
 
-    def draw(self, contex):
+    def draw(self, context):
         layout = self.layout
+        if len(context.selected_objects) == 0:
+            layout.row().label(text="No objects selected.", icon="ERROR")
+            layout.row().label(text="Please select your glyphs first.", icon="INFO")
+        else:
             row = layout.row()
             row.prop(self, 'autodetect_names')
             if self.autodetect_names:
@@ -1157,9 +1183,11 @@ class ABC3D_OT_CreateFontFromObjects(bpy.types.Operator):
 
     def execute(self, context):
         print(f"executing {self.bl_idname}")
+        if len(context.selected_objects) == 0:
+            print(f"cancelled {self.bl_idname} - no objects selected")
+            return {'CANCELLED'}
         global shared
         scene = bpy.context.scene
-        abc3d = scene.abc3d
         abc3d_data = scene.abc3d_data
 
         fontcollection = bpy.data.collections.get("ABC3D")
@@ -1250,7 +1278,6 @@ class ABC3D_PT_RightPropertiesPanel(bpy.types.Panel):
     def draw(self, context):
         layout = self.layout
         scene = context.scene
-        abc3d = scene.abc3d
         abc3d_data = scene.abc3d_data
 
         obj = context.active_object
@@ -1304,7 +1331,6 @@ class ABC3D_OT_Reporter(bpy.types.Operator):
     def execute(self, context):
         #this is where I send the message
         self.report({'INFO'}, 'whatever')
-        print("lalala reporter")
         for i in range(0,10):
             butils.ShowMessageBox('whatever','INFO','INFO')
         return {'FINISHED'}
@@ -1320,7 +1346,7 @@ classes = (
             ABC3D_UL_fonts,
             ABC3D_UL_texts,
             ABC3D_PT_Panel,
-            # ABC3D_PT_LoadFontPanel,
+            ABC3D_PT_LoadFontPanel,
             ABC3D_PT_FontList,
             ABC3D_PT_TextPlacement,
             ABC3D_PT_TextManagement,
@@ -1342,6 +1368,37 @@ classes = (
             ABC3D_OT_Reporter,
            )
 
+def compare_text_object_with_object(t, o, strict=False):
+    for k in o.keys():
+        if k == f"{utils.prefix()}_type":
+            if o[k] != "textobject":
+                return False
+        elif k.startswith(f"{utils.prefix()}_"):
+            p = k.replace(f"{utils.prefix()}_","")
+            if p in t.keys():
+                if t[p] != o[k]:
+                    return False
+            else:
+                print(f"{__name__} set_text_object: did not find key ({p})")
+                if strict:
+                    return False
+    # for p in t.keys():
+        # if 
+    return True
+
+def detect_text():
+    scene = bpy.context.scene
+    abc3d_data = scene.abc3d_data
+    for o in scene.objects:
+        if o[f"{utils.prefix()}_type"] == "textobject":
+            linked_textobject = int(o[f"{utils.prefix()}_linked_textobject"])
+            if len(abc3d_data.available_texts) > linked_textobject \
+                    and abc3d_data.available_texts[linked_textobject].text_object == o:
+                t = abc3d_data.available_texts[linked_textobject]
+                a = test_availability(o["font_name"], o["face_name"], o["text"]) 
+                butils.transfer_blender_object_to_text_properties(o, t)
+
+
 @persistent
 def load_handler(self, dummy):
     if not bpy.app.timers.is_registered(butils.execute_queued_functions):

bimport.py

@@ -8,7 +8,19 @@ from bpy.props import (StringProperty,
 from bpy.types import Operator
 from bpy_extras.io_utils import ImportHelper, ExportHelper
 from io_scene_gltf2 import ConvertGLTF2_Base 
-from .common import Font
+import importlib
+
+# then import dependencies for our addon
+if "Font" in locals():
+    importlib.reload(Font)
+else:
+    from .common import Font
+
+if "utils" in locals():
+    importlib.reload(utils)
+else:
+    from .common import utils
+
 
 # taken from blender_git/blender/scripts/addons/io_scene_gltf2/__init__.py 
 
@@ -25,7 +37,8 @@ def get_font_faces_in_file(filepath):
         for node in gltf_importer.data.nodes:
             if type(node.extras) != type(None) \
                     and "glyph" in node.extras \
-                    and not ("type" in node.extras and node.extras["type"] == "metrics"):
+                    and not ("type" in node.extras and node.extras["type"] == "metrics") \
+                    and not (f"{utils.prefix()}_type" in node.extras and node.extras[f"{utils.prefix()}_type"] == "metrics"):
                 out.append(node.extras)
         return out
     
@@ -400,7 +413,9 @@ class ImportGLTF2(Operator, ConvertGLTF2_Base, ImportHelper):
                             set_extras(obj, n_vars["extras"])
                             if "glyph" in n_vars["extras"] and \
                                     not ("type" in n_vars["extras"] and \
-                                    n_vars["extras"]["type"] == "metrics"):
+                                    n_vars["extras"]["type"] == "metrics") and \
+                                    not (f"{utils.prefix()}_type" in n_vars["extras"] and \
+                                    n_vars["extras"][f"{utils.prefix()}_type"] == "metrics"):
                                 obj["type"] = "glyph"
 
             for vi, vnode in gltf.vnodes.items():

butils.py

@@ -724,6 +724,7 @@ def set_text_on_curve(text_properties, recursive=True):
         ob = None
         if regenerate:
             ob = bpy.data.objects.new(f"{glyph_id}", glyph.data)
+            ob[f"{utils.prefix()}_type"] = "glyph"
             ob[f"{utils.prefix()}_linked_textobject"] = text_properties.text_id
             ob[f"{utils.prefix()}_font_name"] = text_properties.font_name
             ob[f"{utils.prefix()}_face_name"] = text_properties.face_name
@@ -808,6 +809,7 @@ def set_text_on_curve(text_properties, recursive=True):
     
     if regenerate:
         mom.select_set(True)
+        mom[f"{utils.prefix()}_type"] = "textobject"
         mom[f"{utils.prefix()}_linked_textobject"] = text_properties.text_id
         mom[f"{utils.prefix()}_font_name"] = text_properties.font_name
         mom[f"{utils.prefix()}_face_name"] = text_properties.face_name
@@ -823,6 +825,40 @@ def set_text_on_curve(text_properties, recursive=True):
 
     return True
 
+verification_object = {
+        f"{utils.prefix()}_type": "textobject",
+        f"{utils.prefix()}_linked_textobject": 0,
+        f"{utils.prefix()}_font_name": "font_name",
+        f"{utils.prefix()}_face_name": "face_name",
+        f"{utils.prefix()}_font_size": 42,
+        f"{utils.prefix()}_letter_spacing": 42,
+        f"{utils.prefix()}_orientation": [0,0,0],
+        f"{utils.prefix()}_translation": [0,0,0],
+     }
+
+def verify_text_object(o):
+    pass
+
+def transfer_text_properties_to_text_object(text_properties, o):
+    o[f"{utils.prefix()}_linked_textobject"] = text_properties.text_id
+    o[f"{utils.prefix()}_font_name"] = text_properties.font_name
+    o[f"{utils.prefix()}_face_name"] = text_properties.face_name
+    o[f"{utils.prefix()}_font_size"] = text_properties.font_size
+    o[f"{utils.prefix()}_letter_spacing"] = text_properties.letter_spacing
+    o[f"{utils.prefix()}_orientation"] = text_properties.orientation
+    o[f"{utils.prefix()}_translation"] = text_properties.translation
+    o[f"{utils.prefix()}_text"] = text_properties["text"]
+
+def transfer_text_object_to_text_properties(o, text_properties):
+    text_properties["text_id"] = o[f"{utils.prefix()}_linked_textobject"]
+    text_properties["font_name"] = o[f"{utils.prefix()}_font_name"]
+    text_properties["face_name"] = o[f"{utils.prefix()}_face_name"]
+    text_properties["font_size"] = o[f"{utils.prefix()}_font_size"]
+    text_properties["letter_spacing"] = o[f"{utils.prefix()}_letter_spacing"]
+    text_properties["orientation"] = o[f"{utils.prefix()}_orientation"]
+    text_properties["translation"] = o[f"{utils.prefix()}_translation"]
+    text_properties["text"] = o[f"{utils.prefix()}_text"]
+
 # blender bound_box vertices
 # 
 # 3------7.    
@@ -839,7 +875,7 @@ def add_metrics_obj_from_bound_box(glyph, bound_box=None):
     obj["font_name"] = glyph["font_name"]
     obj["face_name"] = glyph["face_name"]
     obj["glyph"] = glyph["glyph"]
-    obj["type"] = "metrics"
+    obj[f"{utils.pefix()}_type"] = "metrics"
 
     # remove already existing metrics
     remove_metrics = []

common/Font.py

@@ -226,5 +226,23 @@ def get_loaded_fonts_and_faces():
             out.append([f,ff])
     return out
 
+MISSING_FONT = 0
+MISSING_FACE = 1
+
+def test_availability(font_name, face_name, text):
+    if not fonts.keys().__contains__(font_name):
+        return MISSING_FONT
+    if fonts[font_name].faces.get(face_name) == None:
+        return MISSING_FACE
+    loaded, missing, maybe = test_glyphs_availability(font_name,
+                                                      face_name,
+                                                      text)
+    return {
+            "loaded": loaded,
+            "missing": missing,
+            "maybe": maybe,
+            }
+    
+
 # holds all fonts
 fonts = {}