QGIS/python/plugins/processing/modeler/DeleteModelAction.py
2024-11-29 15:38:02 +01:00

78 lines
2.9 KiB
Python

"""
***************************************************************************
DeleteModelAction.py
---------------------
Date : August 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* 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. *
* *
***************************************************************************
"""
__author__ = "Victor Olaya"
__date__ = "August 2012"
__copyright__ = "(C) 2012, Victor Olaya"
import os
from qgis.core import QgsApplication, QgsProcessingAlgorithm, QgsProject
from qgis.PyQt.QtWidgets import QMessageBox
from qgis.PyQt.QtCore import QCoreApplication
from processing.gui.ContextAction import ContextAction
from processing.modeler.ProjectProvider import PROJECT_PROVIDER_ID
class DeleteModelAction(ContextAction):
def __init__(self):
super().__init__()
self.name = QCoreApplication.translate("DeleteModelAction", "Delete Model…")
def isEnabled(self):
return isinstance(
self.itemData, QgsProcessingAlgorithm
) and self.itemData.provider().id() in ("model", "project")
def execute(self):
model = self.itemData
if model is None:
return # shouldn't happen, but let's be safe
project_provider = model.provider().id() == PROJECT_PROVIDER_ID
if project_provider:
msg = self.tr(
"Are you sure you want to delete this model from the current project?",
"DeleteModelAction",
)
else:
msg = self.tr(
"Are you sure you want to delete this model?", "DeleteModelAction"
)
reply = QMessageBox.question(
None,
self.tr("Delete Model", "DeleteModelAction"),
msg,
QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No,
QMessageBox.StandardButton.No,
)
if reply == QMessageBox.StandardButton.Yes:
if project_provider:
provider = QgsApplication.processingRegistry().providerById(
PROJECT_PROVIDER_ID
)
provider.remove_model(model)
QgsProject.instance().setDirty(True)
else:
os.remove(model.sourceFilePath())
QgsApplication.processingRegistry().providerById(
"model"
).refreshAlgorithms()