dynamic dropdown with optional trigger for sub forms

src/wce_crm/gui.py

@@ -71,14 +71,15 @@ setup_logging(enable_stderr=True)
 
 DEBUG: Final[bool] = True
 DEBUG_SEARCH_WIDGET: Final[bool] = False
-DEBUG_NO_DATABASE: Final[bool] = False
+DEBUG_NO_DATABASE: Final[bool] = True
+DEBUG_GET_SET: Final[bool] = True
 
 logger = BASE_LOGGER.getChild("wce")
 logger.setLevel(logging.DEBUG)
 logger_search_widget = logger.getChild("search_widget")
 logger_search_widget.setLevel(logging.DEBUG)
 logger_get_data = logger.getChild("get_data")
-logger_get_data.setLevel(logging.INFO)
+logger_get_data.setLevel(logging.DEBUG)
 logger_auto_form = logger.getChild("get_data_auto_form")
 logger_auto_form.setLevel(logging.DEBUG)
 
@@ -379,7 +380,7 @@ class FormFieldType(enum.StrEnum):
     EXTENDED_DROPDOWN = enum.auto()
     DYNAMIC_LIST = enum.auto()
     DYNAMIC_DROPDOWN_NUMERIC = enum.auto()
-    DYNAMIC_DROPDOWN_BOOLEAN = enum.auto()
+    DYNAMIC_DROPDOWN_OPTION = enum.auto()
     TEXT_SEARCH = enum.auto()
     CUSTOM = enum.auto()
     TEXT_DATE = enum.auto()
@@ -420,6 +421,7 @@ class FormField:
     custom_widget: str = ""
     init_label: str = dc.field(init=False)
     ignore_get_data: bool = False
+    trigger_value: str = ""
 
     def __post_init__(
         self,
@@ -448,6 +450,11 @@ class FormField:
         if self.type in (FormFieldType.DROPDOWN, FormFieldType.EXTENDED_DROPDOWN):
             self.dropdown_options = tuple(DropdownOption(op[0], op[1]) for op in options)
 
+        if self.type is FormFieldType.DYNAMIC_DROPDOWN_OPTION and not self.trigger_value:
+            raise ValueError(
+                "Dynamic Dropdown Option Widget must have a defined option or decision value"
+            )
+
         if self.children:
             self.required = self.required or any((child.required for child in self.children))
             for child in self.children:
@@ -741,13 +748,22 @@ def _build_ui_recursively(
                 }
                 parent_layout.addRow(widget)
 
-            case (
-                FormFieldType.DYNAMIC_DROPDOWN_NUMERIC
-                | FormFieldType.DYNAMIC_DROPDOWN_BOOLEAN
-            ):
-                widget = DynamicDropdownWidget(
+            case FormFieldType.DYNAMIC_DROPDOWN_NUMERIC:
+                widget = DynamicDropdownWidgetNumeric(
                     field.children,
-                    field.type,
+                    field.label,
+                    prefix=f"{full_key}",
+                )
+                widget_registry[full_key] = {
+                    "widget": widget,
+                    "form_field": field,
+                }
+                parent_layout.addRow(widget)
+
+            case FormFieldType.DYNAMIC_DROPDOWN_OPTION:
+                widget = DynamicDropdownWidgetOption(
+                    field.children,
+                    field.trigger_value,
                     field.label,
                     prefix=f"{full_key}",
                 )
@@ -831,14 +847,16 @@ def reset_form(
                 widget.setCurrentIndex(0)
             else:
                 widget.setCurrentIndex(-1)
-        elif isinstance(widget, DynamicListWidget):
-            # dynamic list widget manages its widgets by itself
-            widget.reset_form()
-        elif isinstance(widget, DynamicDropdownWidget):
-            # dynamic list widget manages its widgets by itself
-            widget.reset_form()
-        elif isinstance(widget, CustomWidget):
-            # dynamic list widget manages its widgets by itself
+        elif isinstance(
+            widget,
+            (
+                DynamicListWidget,
+                DynamicDropdownWidgetNumeric,
+                DynamicDropdownWidgetOption,
+                CustomWidget,
+            ),
+        ):
+            # custom widget classes manage their widgets on their own
             widget.reset_form()
 
         widget.setStyleSheet("")
@@ -975,11 +993,13 @@ def get_form_data(
         elif isinstance(widget, QComboBox):
             value = widget.currentData()
         elif isinstance(widget, DynamicListWidget):
+            # TODO add to other custom widgets
             # this should be a list: each dynamic list contains a list
             # of such dictionaries
             value = widget.get_form_data()
-
-        elif isinstance(widget, (DynamicDropdownWidget, CustomWidget)):
+        elif isinstance(
+            widget, (DynamicDropdownWidgetNumeric, DynamicDropdownWidgetOption, CustomWidget)
+        ):
             # this is a special data structure with some assumptions of the widget's internals
             value = widget.get_form_data()
 
@@ -1036,7 +1056,14 @@ def set_widget_value(
         assert isinstance(value, list)
         widget.set_form_data(value)
 
-    elif isinstance(widget, (DynamicDropdownWidget, Grunderfassung_SuchWidget)):
+    elif isinstance(
+        widget,
+        (
+            DynamicDropdownWidgetNumeric,
+            DynamicDropdownWidgetOption,
+            Grunderfassung_SuchWidget,
+        ),
+    ):
         assert isinstance(value, dict)
         widget.set_form_data(value)
 
@@ -1058,7 +1085,14 @@ def set_form_data(
         # key_path = key.split(COLUMN_SEP)
         # value = _get_nested(data, key_path)
         # value = data.get(key, None)
-        if isinstance(widget, (DynamicDropdownWidget, Grunderfassung_SuchWidget)):
+        if isinstance(
+            widget,
+            (
+                DynamicDropdownWidgetNumeric,
+                DynamicDropdownWidgetOption,
+                Grunderfassung_SuchWidget,
+            ),
+        ):
             value = data
         else:
             value = data[key]
@@ -1104,7 +1138,15 @@ def validate_form_data(
             if widget.currentData() is not None:
                 continue
             error_post = True
-        elif isinstance(widget, (DynamicListWidget, DynamicDropdownWidget, CustomWidget)):
+        elif isinstance(
+            widget,
+            (
+                DynamicListWidget,
+                DynamicDropdownWidgetNumeric,
+                DynamicDropdownWidgetOption,
+                CustomWidget,
+            ),
+        ):
             errors_widget = widget.validate_form_data()
             if not errors_widget:
                 continue
@@ -1641,10 +1683,15 @@ class AutoForm(QWidget):
                 QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed
             )
             self.main_layout.addWidget(self.test_button)
-            button = QPushButton("GET DATA")
-            button.setFixedHeight(35)
-            button.clicked.connect(self.get_form_data)
-            self.main_layout.addWidget(button)
+
+            button_get = QPushButton("GET DATA")
+            button_get.setFixedHeight(35)
+            button_get.clicked.connect(self.get_form_data)
+            self.main_layout.addWidget(button_get)
+            button_set = QPushButton("SET DATA")
+            button_set.setFixedHeight(35)
+            button_set.clicked.connect(self.set_form_data)
+            self.main_layout.addWidget(button_set)
 
             id_field_layout = QHBoxLayout()
             id_field_layout.setContentsMargins(0, 0, 0, 0)
@@ -1682,6 +1729,8 @@ class AutoForm(QWidget):
 
         # buttons (save and reset)
         self.add_buttons = self.cfg.add_buttons
+
+        self.debug_form_data: dict[str, Any] = {}
         if self.add_buttons:
             self.layout_btn = QHBoxLayout()
             self.main_layout.addLayout(self.layout_btn)
@@ -1850,12 +1899,19 @@ class AutoForm(QWidget):
         logger_auto_form.debug("\n\n>>>>>>> [AutoForm] Call get form data:")
         logger_auto_form.debug("Form Data:\n%s", pformat(form_data))
 
+        if DEBUG_GET_SET:
+            self.debug_form_data = form_data
+
         return form_data
 
     def set_form_data(
         self,
         data: dict[str, Any],
     ) -> None:
+        logger_auto_form.debug("\n\n>>>>>>> [AutoForm] Call set form data:")
+        if DEBUG_GET_SET:
+            data = self.debug_form_data
+
         set_form_data(self.widget_registry, data)
 
 
@@ -2015,12 +2071,7 @@ class DynamicListWidget(QWidget):
             set_form_data(current_sub_form.registry, sub_form_data)
 
 
-class DynamicDropdownType(enum.IntEnum):
-    NUMERIC = enum.auto()
-    BOOLEAN = enum.auto()
-
-
-class DynamicDropdownWidget(QWidget):
+class DynamicDropdownWidgetNumeric(QWidget):
     """
     A Widget, which can generate and manage an arbitrary number of sub forms with additional
     information on a combobox selection (combobox).
@@ -2029,7 +2080,6 @@ class DynamicDropdownWidget(QWidget):
     def __init__(
         self,
         form_fields: Sequence[FormField],
-        type: FormFieldType,
         label_add_info: str = "Eintrag",
         prefix: str = "",
     ):
@@ -2089,22 +2139,10 @@ class DynamicDropdownWidget(QWidget):
     ) -> None:
         current_count = len(self.sub_forms)
         value: int
-        match self.type:
-            case FormFieldType.DYNAMIC_DROPDOWN_NUMERIC:
-                if text == DROPDOWN_DEFAULT:
-                    value = 0
-                else:
-                    value = int(text)
-                current_count = len(self.sub_forms)
-
-            case FormFieldType.DYNAMIC_DROPDOWN_BOOLEAN:
-                if text == "ja":
-                    value = 1
-                else:
-                    value = 0
-
-            case _:
-                raise ValueError("Undefined DynamicDropdownWidget type")
+        if text == DROPDOWN_DEFAULT:
+            value = 0
+        else:
+            value = int(text)
 
         if value > current_count:
             diff = value - current_count
@@ -2124,8 +2162,7 @@ class DynamicDropdownWidget(QWidget):
         sub_form = SubForm(container, prefix_parent=self.prefix, index=number_form)
 
         form_field_def = copy.copy(self.assigned_form_field)
-        if self.type is FormFieldType.DYNAMIC_DROPDOWN_NUMERIC:
-            form_field_def.label = form_field_def.enhanced_label(f"{number_form}")
+        form_field_def.label = form_field_def.enhanced_label(f"{number_form}")
 
         sub_form.full_keys = _build_ui_recursively(
             schema=[form_field_def],
@@ -2216,6 +2253,195 @@ class DynamicDropdownWidget(QWidget):
             set_form_data(sub_form.registry, sub_form_data)
 
 
+class DynamicDropdownWidgetOption(QWidget):
+    """
+    A Widget, which can generate and manage an arbitrary number of sub forms with additional
+    information on a combobox selection (combobox).
+    """
+
+    def __init__(
+        self,
+        form_fields: Sequence[FormField],
+        trigger_value: str,
+        label_add_info: str = "Eintrag",
+        prefix: str = "",
+    ):
+        super().__init__()
+
+        # form_fields = form_fields.children
+        if len(form_fields) == 0 or len(form_fields) > 1:
+            raise ValueError(
+                "Dynamic Dropdown Widget must have only one child, which is a dropdown widget"
+            )
+
+        self.combobox_field = form_fields[0]
+        assigned_form_fields = self.combobox_field.children
+        if len(assigned_form_fields) < 1:
+            raise ValueError(
+                (
+                    "Option Dynamic Dropdown Widget dropdown element must have at least one "
+                    "child field definition"
+                )
+            )
+        self.trigger_value = trigger_value
+        self.assigned_form_fields = assigned_form_fields
+
+        self.label_add_info = label_add_info
+        self.prefix = prefix
+        self.widget_registry: WidgetRegistry = {}
+
+        # layout for group component
+        self.main_layout = QVBoxLayout(self)
+        self.main_layout.setContentsMargins(0, 0, 0, 0)
+        self.form_layout = QFormLayout()
+        self.main_layout.addLayout(self.form_layout)
+
+        self.full_keys = _build_ui_recursively(
+            [self.combobox_field],
+            self.form_layout,
+            self.widget_registry,
+            prefix=f"{self.prefix}",
+        )
+        dropdown_widget_entry = tuple(self.widget_registry.values())[0]
+        dropdown_widget = dropdown_widget_entry["widget"]
+        assert isinstance(dropdown_widget, QComboBox)
+        self.dropdown_widget = dropdown_widget
+
+        self.rows_container = QWidget()
+        self.rows_layout = QVBoxLayout(self.rows_container)
+        self.rows_layout.setContentsMargins(0, 0, 0, 0)
+        self.main_layout.addWidget(self.rows_container)
+
+        self.sub_forms: list[SubForm] = []
+
+        self.dropdown_widget.currentTextChanged.connect(self._selection_changed_changed)
+
+    def _selection_changed_changed(
+        self,
+        text: str,
+    ) -> None:
+        current_count = len(self.sub_forms)
+        value: int
+
+        if text == self.trigger_value:
+            value = 1
+        else:
+            value = 0
+
+        if value > current_count:
+            diff = value - current_count
+            for _ in range(diff):
+                self._add_row()
+        elif value < current_count:
+            diff = current_count - value
+            for _ in range(diff):
+                self._remove_row()
+
+    def _add_row(self) -> None:
+        number_form = len(self.sub_forms) + 1
+        container = QWidget()
+        container.setContentsMargins(0, 0, 0, 0)
+        form_layout = QFormLayout(container)
+        form_layout.setContentsMargins(10, 0, 0, 0)
+        sub_form = SubForm(container, prefix_parent=self.prefix, index=number_form)
+
+        form_field_def = copy.copy(self.assigned_form_fields)
+        # form_field_def.label = form_field_def.enhanced_label(f"{number_form}")
+
+        sub_form.full_keys = _build_ui_recursively(
+            schema=form_field_def,
+            parent_layout=form_layout,
+            widget_registry=sub_form.registry,
+            prefix=f"{self.prefix}",
+        )
+        self.rows_layout.addWidget(container)
+
+        self.sub_forms.append(sub_form)
+        self.update_sub_forms()
+
+    def _remove_row(self) -> None:
+        last_form = self.sub_forms.pop()
+        box_to_remove = last_form.entry_box
+
+        self.rows_layout.removeWidget(box_to_remove)
+        box_to_remove.deleteLater()
+        self.update_sub_forms()
+
+    def update_sub_forms(self) -> None:
+        update_sub_forms(
+            self.widget_registry,
+            sub_forms=self.sub_forms,
+        )
+
+    def _get_combined_registry(self, sub_forms_only: bool = False) -> WidgetRegistry:
+        whole_registry: WidgetRegistry = {}
+        if not sub_forms_only:
+            whole_registry = self.widget_registry.copy()
+        for sub in self.sub_forms:
+            whole_registry.update(sub.registry)
+
+        return whole_registry
+
+    def reset_form(self) -> None:
+        # resets dynamic content when dropdown is set back to default value
+        self.dropdown_widget.setCurrentIndex(0)
+
+    def validate_form_data(self) -> list[str]:
+        errors = validate_form_data(self.widget_registry)
+        for form in self.sub_forms:
+            errors.extend(validate_form_data(form.registry))
+
+        return errors
+
+    def get_form_data(self) -> dict[str, Any]:
+        whole_registry = self._get_combined_registry()
+        form_data = get_form_data(whole_registry)
+        # for sub in self.sub_forms:
+        #     form_data.update(get_form_data(sub.registry))
+        logger_get_data.debug(
+            "Form data DynamicDropdownWidgetOption:\n%s", pformat(form_data)
+        )
+
+        return form_data
+
+    def set_form_data(
+        self,
+        data: dict[str, Any],
+    ) -> None:
+        # delete all rows
+        while self.sub_forms:
+            self._remove_row()
+
+        # fill in value of combobox field
+        assert len(self.full_keys) == 1
+        num_subforms: int = -1
+        data = data.copy()
+        for key in self.full_keys:
+            widget = self.widget_registry[key]["widget"]
+            value = data[key]
+            set_widget_value(widget, value)
+            # TODO need to get the correct index
+            if value is None or value != self.trigger_value:
+                num_subforms = 0
+            else:
+                num_subforms = 1
+            del data[key]
+            # assert key in whole_registry, "key not in Dynamic DD Option"
+
+        whole_registry = self._get_combined_registry(sub_forms_only=True)
+        logger_get_data.debug("[DynamicDD-Option] Whole widget registry:\n")
+        pprint_registry(whole_registry)
+
+        logger_get_data.debug(">>>>>>>>> Call set_form_data for DynamicDropdown")
+        logger_get_data.debug("Data before set of subforms:%s", pformat(data))
+
+        assert len(self.sub_forms) == num_subforms
+        if not self.sub_forms:
+            return
+
+        set_form_data(whole_registry, data)
+
+
 class NoScrollFilter(QObject):
     """disables scrolling in fields"""
 
@@ -3021,48 +3247,48 @@ FORM_FIELDS_LANGUAGES = [
 
 
 FORM_FIELDS = [
-    FormField(
-        "Ersteintrag Datum",
-        FormFieldType.TEXT_DATETIME,
-        required=False,
-        key="Metadaten_erstellung",
-        readonly=True,
-        ignore_get_data=True,
-    ),
-    FormField(
-        "Aktualisierung Datum",
-        FormFieldType.TEXT_DATETIME,
-        required=False,
-        key="Metadaten_aktualisierung",
-        readonly=True,
-        ignore_get_data=True,
-    ),
-    FormField(
-        "Aktualisierung Nutzer",
-        FormFieldType.TEXT,
-        required=False,
-        key="Metadaten_nutzer",
-        readonly=True,
-    ),
-    FormField(
-        "Fallnummer",
-        FormFieldType.TEXT,
-        required=True,
-        key="Grunderfassung_fallnummer",
-    ),
-    FormField(
-        "Notizen",
-        FormFieldType.LONGTEXT,
-        required=False,
-        key="Grunderfassung_notiz",
-    ),
-    FormField(
-        "Suche",
-        FormFieldType.CUSTOM,
-        custom_widget="grunderfassung_suche",
-        key="Partnersuche",
-        children=FORM_FIELDS_SEARCH_HEAD,
-    ),
+    # FormField(
+    #     "Ersteintrag Datum",
+    #     FormFieldType.TEXT_DATETIME,
+    #     required=False,
+    #     key="Metadaten_erstellung",
+    #     readonly=True,
+    #     ignore_get_data=True,
+    # ),
+    # FormField(
+    #     "Aktualisierung Datum",
+    #     FormFieldType.TEXT_DATETIME,
+    #     required=False,
+    #     key="Metadaten_aktualisierung",
+    #     readonly=True,
+    #     ignore_get_data=True,
+    # ),
+    # FormField(
+    #     "Aktualisierung Nutzer",
+    #     FormFieldType.TEXT,
+    #     required=False,
+    #     key="Metadaten_nutzer",
+    #     readonly=True,
+    # ),
+    # FormField(
+    #     "Fallnummer",
+    #     FormFieldType.TEXT,
+    #     required=True,
+    #     key="Grunderfassung_fallnummer",
+    # ),
+    # FormField(
+    #     "Notizen",
+    #     FormFieldType.LONGTEXT,
+    #     required=False,
+    #     key="Grunderfassung_notiz",
+    # ),
+    # FormField(
+    #     "Suche",
+    #     FormFieldType.CUSTOM,
+    #     custom_widget="grunderfassung_suche",
+    #     key="Partnersuche",
+    #     children=FORM_FIELDS_SEARCH_HEAD,
+    # ),
     FormField(
         "Status && Projektrelevanz",
         FormFieldType.GROUP,
@@ -3070,8 +3296,9 @@ FORM_FIELDS = [
         children=[
             FormField(
                 "Projektrelevanz",
-                FormFieldType.DYNAMIC_DROPDOWN_BOOLEAN,
+                FormFieldType.DYNAMIC_DROPDOWN_OPTION,
                 key="status",
+                trigger_value="ja",
                 children=[
                     FormField(
                         "Relevanz",
@@ -3083,54 +3310,56 @@ FORM_FIELDS = [
                             FormField(
                                 "Förderperiode", FormFieldType.TEXT, key="foerderperiode"
                             ),
+                            FormField("Feld 2", FormFieldType.TEXT, key="feld_2"),
+                            FormField("Feld 3", FormFieldType.TEXT, key="feld_3"),
                         ],
                     ),
                 ],
             ),
         ],
     ),
-    FormField(
-        "Daten Kontaktperson",
-        FormFieldType.GROUP,
-        key="Kontaktperson",
-        children=FORM_FIELDS_CONTACT_PERSON,
-    ),
-    FormField(
-        "Stammdaten",
-        FormFieldType.GROUP,
-        key="Stammdaten",
-        children=FORM_FIELDS_MASTER_DATA,
-    ),
-    FormField(
-        "Weitere Informationen",
-        FormFieldType.GROUP,
-        key="WeitereInfos",
-        children=FORM_FIELDS_ADDITIONAL_DATA,
-    ),
-    FormField(
-        "Schulbildung",
-        FormFieldType.DYNAMIC_LIST,
-        children=FORM_FIELDS_SCHOOL,
-        key="Schulbildung",
-    ),
-    FormField(
-        "Studium/Ausbildung",
-        FormFieldType.DYNAMIC_LIST,
-        children=FORM_FIELDS_HIGHER_EDUCATION,
-        key="HoehereBildung",
-    ),
-    FormField(
-        "Arbeitserfahrung",
-        FormFieldType.DYNAMIC_LIST,
-        children=FORM_FIELDS_WORK_EXPERIENCE,
-        key="Arbeitserfahrung",
-    ),
-    FormField(
-        "Sprachkenntnisse",
-        FormFieldType.DYNAMIC_LIST,
-        children=FORM_FIELDS_LANGUAGES,
-        key="Sprachkenntnisse",
-    ),
+    # FormField(
+    #     "Daten Kontaktperson",
+    #     FormFieldType.GROUP,
+    #     key="Kontaktperson",
+    #     children=FORM_FIELDS_CONTACT_PERSON,
+    # ),
+    # FormField(
+    #     "Stammdaten",
+    #     FormFieldType.GROUP,
+    #     key="Stammdaten",
+    #     children=FORM_FIELDS_MASTER_DATA,
+    # ),
+    # FormField(
+    #     "Weitere Informationen",
+    #     FormFieldType.GROUP,
+    #     key="WeitereInfos",
+    #     children=FORM_FIELDS_ADDITIONAL_DATA,
+    # ),
+    # FormField(
+    #     "Schulbildung",
+    #     FormFieldType.DYNAMIC_LIST,
+    #     children=FORM_FIELDS_SCHOOL,
+    #     key="Schulbildung",
+    # ),
+    # FormField(
+    #     "Studium/Ausbildung",
+    #     FormFieldType.DYNAMIC_LIST,
+    #     children=FORM_FIELDS_HIGHER_EDUCATION,
+    #     key="HoehereBildung",
+    # ),
+    # FormField(
+    #     "Arbeitserfahrung",
+    #     FormFieldType.DYNAMIC_LIST,
+    #     children=FORM_FIELDS_WORK_EXPERIENCE,
+    #     key="Arbeitserfahrung",
+    # ),
+    # FormField(
+    #     "Sprachkenntnisse",
+    #     FormFieldType.DYNAMIC_LIST,
+    #     children=FORM_FIELDS_LANGUAGES,
+    #     key="Sprachkenntnisse",
+    # ),
 ]
 
 CONFIG_GRUNDERFASSUNG_UNTERNEHMEN: Final[AutoFormConfig] = AutoFormConfig(