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"""
***************************************************************************
qgssettingsenumflageditorwrapper.py
---------------------
Date : October 2024
Copyright : (C) 2021 by Denis Rouzaud
Email : denis@opengis.ch
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
from qgis.PyQt.QtWidgets import QComboBox
from qgis.core import QgsSettingsEntryBase
from qgis.gui import QgsSettingsEditorWidgetWrapper
class PyQgsSettingsEnumEditorWidgetWrapper(QgsSettingsEditorWidgetWrapper):
"""
A settings editor widget wrapper for enum settings as PyQgsSettingsEntryEnumFlag
"""
def __init__(
self, parent=None, editor=None, setting=None, displayStrings: dict = None
):
self.setting = setting
self.editor = editor
self.displayStrings = {}
super().__init__(parent)
if editor is not None and setting is not None:
if displayStrings:
self.displayStrings = displayStrings
self.configureEditor(editor, setting)
def id(self):
return "py-enum"
def createWrapper(self, parent=None):
return PyQgsSettingsEnumEditorWidgetWrapper(parent)
def setWidgetFromSetting(self):
if self.setting:
return self.setWidgetFromVariant(
self.setting.valueAsVariant(self.dynamicKeyPartList())
)
return False
def setSettingFromWidget(self):
if self.editor:
self.setting.setVariantValue(
self.variantValueFromWidget(), self.dynamicKeyPartList()
)
return True
else:
return False
def variantValueFromWidget(self):
if self.editor:
return self.editor.currentData()
return None
def setWidgetFromVariant(self, value):
if self.editor and value is not None:
if isinstance(value, int):
value = self.setting.metaEnum().valueToKey(value)
idx = self.editor.findData(value)
self.editor.setCurrentIndex(idx)
return idx >= 0
return False
def createEditorPrivate(self, parent=None):
return QComboBox(parent)
def configureEditorPrivate(self, editor: QComboBox, setting: QgsSettingsEntryBase):
self.setting = setting
if isinstance(editor, QComboBox):
self.editor = editor
for i in range(self.setting.metaEnum().keyCount()):
value = self.setting.metaEnum().value(i)
key = self.setting.metaEnum().key(i)
text = self.displayStrings.get(value, key)
self.editor.addItem(text, key)
return True
else:
return False
def enableAutomaticUpdatePrivate(self):
self.editor.currentIndexChanged.connect(
lambda: self.setting.setValue(
self.editor.currentData(), self.dynamicKeyPartList()
)
)
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