Python PyQt5.QtCore.QAbstractListModel() Examples

The following are 5 code examples for showing how to use PyQt5.QtCore.QAbstractListModel(). These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.

You may check out the related API usage on the sidebar.

You may also want to check out all available functions/classes of the module PyQt5.QtCore , or try the search function .

Example 1
Project: Uranium   Author: Ultimaker   File: ListModel.py    License: GNU Lesser General Public License v3.0 5 votes vote down vote up
def rowCount(self, parent = None) -> int:
        """This function is necessary because it is abstract in QAbstractListModel.

        Under the hood, Qt will call this function when it needs to know how
        many items are in the model.
        This pyqtSlot will not be linked to the itemsChanged signal, so please
        use the normal count() function instead.
        """

        return self.count 
Example 2
Project: Uranium   Author: Ultimaker   File: ListModel.py    License: GNU Lesser General Public License v3.0 5 votes vote down vote up
def data(self, index, role):
        """Reimplemented from QAbstractListModel"""

        if not index.isValid():
            return QVariant()
        return self._items[index.row()][self._role_names[role].decode("utf-8")] 
Example 3
Project: Uranium   Author: Ultimaker   File: SettingDefinitionsModel.py    License: GNU Lesser General Public License v3.0 5 votes vote down vote up
def count(self) -> int:
        """Reimplemented from QAbstractListModel

        Note that count() is overridden from QAbstractItemModel. The signature
        of the method in that class is "int count()" which makes this slot
        declaration incorrect.
        TODO: fix the pointer when actually using this parameter.
        """

        if not self._container:
            return 0

        return len(self._row_index_list) 
Example 4
Project: Uranium   Author: Ultimaker   File: SettingDefinitionsModel.py    License: GNU Lesser General Public License v3.0 5 votes vote down vote up
def rowCount(self, parent = None) -> int:
        """This function is necessary because it is abstract in QAbstractListModel.

        Under the hood, Qt will call this function when it needs to know how many items are in the model.
        This pyqtSlot will not be linked to the itemsChanged signal, so please use the normal count() function instead.
        """

        return self.count 
Example 5
Project: Uranium   Author: Ultimaker   File: SettingDefinitionsModel.py    License: GNU Lesser General Public License v3.0 4 votes vote down vote up
def data(self, index, role):
        """Reimplemented from QAbstractListModel"""

        if not self._container:
            return QVariant()

        if not index.isValid():
            return QVariant()

        if role not in self._role_names:
            return QVariant()

        try:
            definition = self._definition_list[self._row_index_list[index.row()]]
        except IndexError:
            # Definition is not visible or completely not in the list
            return QVariant()

        if role == self.KeyRole:
            return definition.key
        elif role == self.DepthRole:
            return len(definition.getAncestors())
        elif role == self.VisibleRole:
            return definition.key in self._visible
        elif role == self.ExpandedRole:
            return definition.key in self._expanded

        role_name = self._role_names[role]
        try:
            data = getattr(definition, role_name.decode())
        except AttributeError:
            data = ""

        if isinstance(data, collections.OrderedDict):
            result = []
            for key, value in data.items():
                if self._i18n_catalog:
                    value = self._i18n_catalog.i18nc(definition.key + " option " + key, value)

                result.append({"key": key, "value": value})
            return result

        if isinstance(data, str) and self._i18n_catalog:
            data = self._i18n_catalog.i18nc(definition.key + " " + role_name.decode(), data)

        return data