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63fd4bab2a
Allows processing models to be stored inside QGIS project files, so that opening the project makes that model available. Some models are so intrinsically linked to the logic inside a particular project that they have no meaning (or are totally broken) outside of that project (e.g. models which rely on the presence of particular map layers, relations, etc) This change allows these models to be stored inside that project, avoid cluttering up the "global" model provider with models which make no sense, and making it easier to distribute a single project with these models included. Models are stored inside projects by clicking the new "embed in project" button in the modeler dialog toolbar. Models can be removed from a project from the model's right click menu in the toolbox.
73 lines
2.7 KiB
Python
73 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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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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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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from qgis.core import (QgsApplication,
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QgsProcessingModelAlgorithm,
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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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self.name = QCoreApplication.translate('DeleteModelAction', 'Delete Model…')
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def isEnabled(self):
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return isinstance(self.itemData, QgsProcessingModelAlgorithm)
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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('Are you sure you want to delete this model from the current project?', 'DeleteModelAction')
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else:
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msg = self.tr('Are you sure you want to delete this model?', 'DeleteModelAction')
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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.Yes | QMessageBox.No,
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QMessageBox.No)
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if reply == QMessageBox.Yes:
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if project_provider:
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provider = QgsApplication.processingRegistry().providerById(PROJECT_PROVIDER_ID)
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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('model').refreshAlgorithms()
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