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78 lines
2.9 KiB
Python
78 lines
2.9 KiB
Python
"""
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***************************************************************************
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DeleteModelAction.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = "Victor Olaya"
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__date__ = "August 2012"
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__copyright__ = "(C) 2012, Victor Olaya"
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import os
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from qgis.core import QgsApplication, QgsProcessingAlgorithm, QgsProject
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from qgis.PyQt.QtWidgets import QMessageBox
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from qgis.PyQt.QtCore import QCoreApplication
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from processing.gui.ContextAction import ContextAction
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from processing.modeler.ProjectProvider import PROJECT_PROVIDER_ID
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class DeleteModelAction(ContextAction):
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def __init__(self):
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super().__init__()
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self.name = QCoreApplication.translate("DeleteModelAction", "Delete Model…")
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def isEnabled(self):
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return isinstance(
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self.itemData, QgsProcessingAlgorithm
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) and self.itemData.provider().id() in ("model", "project")
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def execute(self):
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model = self.itemData
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if model is None:
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return # shouldn't happen, but let's be safe
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project_provider = model.provider().id() == PROJECT_PROVIDER_ID
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if project_provider:
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msg = self.tr(
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"Are you sure you want to delete this model from the current project?",
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"DeleteModelAction",
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)
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else:
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msg = self.tr(
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"Are you sure you want to delete this model?", "DeleteModelAction"
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)
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reply = QMessageBox.question(
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None,
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self.tr("Delete Model", "DeleteModelAction"),
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msg,
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QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No,
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QMessageBox.StandardButton.No,
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)
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if reply == QMessageBox.StandardButton.Yes:
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if project_provider:
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provider = QgsApplication.processingRegistry().providerById(
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PROJECT_PROVIDER_ID
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)
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provider.remove_model(model)
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QgsProject.instance().setDirty(True)
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else:
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os.remove(model.sourceFilePath())
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QgsApplication.processingRegistry().providerById(
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"model"
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).refreshAlgorithms()
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