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Support directly defined pyqtProperty in ListItem

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This commit is contained in:
miruka 2019-05-02 18:09:01 -04:00
parent e124dcbff7
commit 0e5c5619cf
1 changed files with 11 additions and 3 deletions
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14
harmonyqml/backend/model/list_item.py
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@ -26,6 +26,12 @@ class _ListItemMeta(type(QObject)): # type: ignore
# These properties won't be settable and will not have a notify signal # These properties won't be settable and will not have a notify signal
constant: Set[str] = set(attrs.get("_constant") or set()) constant: Set[str] = set(attrs.get("_constant") or set())
# pyqtProperty objects that were directly defined in the class
direct_pyqt_props: Dict[str, pyqtProperty] = {
name: obj for name, obj in attrs.items()
if isinstance(obj, pyqtProperty)
}
# {property_name: (its_pyqt_type, its_default_value)} # {property_name: (its_pyqt_type, its_default_value)}
props: Dict[str, Tuple[PyqtType, Any]] = { props: Dict[str, Tuple[PyqtType, Any]] = {
name: (to_pyqt_type(attrs.get("__annotations__", {}).get(name)), name: (to_pyqt_type(attrs.get("__annotations__", {}).get(name)),
@ -56,7 +62,7 @@ class _ListItemMeta(type(QObject)): # type: ignore
for name in props for name in props
} }
# The final pyqtProperty objects # The final pyqtProperty objects we create
pyqt_props: Dict[str, pyqtProperty] = { pyqt_props: Dict[str, pyqtProperty] = {
name: pyqtProperty( name: pyqtProperty(
type_, type_,
@ -69,11 +75,13 @@ class _ListItemMeta(type(QObject)): # type: ignore
attrs = { attrs = {
**attrs, # Original class attributes **attrs, # Original class attributes
**signals, **signals,
**direct_pyqt_props,
**pyqt_props, **pyqt_props,
# Set the internal _properties as slots for memory savings # Set the internal _properties as slots for memory savings
"__slots__": tuple({f"_{prop}" for prop in props} & {"_main_key"}), "__slots__": tuple({f"_{prop}" for prop in props} & {"_main_key"}),
"_direct_props": list(direct_pyqt_props.keys()),
"_props": props, "_props": props,
# The main key is either the attribute _main_key, # The main key is either the attribute _main_key,
@ -141,7 +149,7 @@ class ListItem(QObject, metaclass=_ListItemMeta):
1 if p == self.mainKey else 0, # 1 = term bold 1 if p == self.mainKey else 0, # 1 = term bold
p, p,
getattr(self, p) getattr(self, p)
) for p in self._props ) for p in list(self._props.keys()) + self._direct_props
) )
return "%s(%s)" % (type(self).__name__, ", ".join(prop_strings)) return "%s(%s)" % (type(self).__name__, ", ".join(prop_strings))
@ -153,7 +161,7 @@ class ListItem(QObject, metaclass=_ListItemMeta):
@pyqtProperty("QStringList", constant=True) @pyqtProperty("QStringList", constant=True)
def roles(self) -> List[str]: def roles(self) -> List[str]:
return list(self._props.keys()) return list(self._props.keys()) + self._direct_props
@pyqtProperty(str, constant=True) @pyqtProperty(str, constant=True)