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104 lines
3.8 KiB
Python
104 lines
3.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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__init__.py
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---------------------
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Date : July 2013
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Copyright : (C) 2013 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__ = 'July 2013'
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__copyright__ = '(C) 2013, 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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from qgis.core import QgsProcessingProvider
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from processing.core.ProcessingConfig import Setting, ProcessingConfig
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from exampleprovider.ExampleAlgorithm import ExampleAlgorithm
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class ExampleAlgorithmProvider(QgsProcessingProvider):
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MY_DUMMY_SETTING = 'MY_DUMMY_SETTING'
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def __init__(self):
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super().__init__()
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def load(self):
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"""In this method we add settings needed to configure our
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provider.
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"""
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ProcessingConfig.settingIcons[self.name()] = self.icon()
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# Deactivate provider by default
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ProcessingConfig.addSetting(Setting(self.name(), 'ACTIVATE_EXAMPLE',
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'Activate', False))
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ProcessingConfig.addSetting(Setting('Example algorithms',
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ExampleAlgorithmProvider.MY_DUMMY_SETTING,
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'Example setting', 'Default value'))
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ProcessingConfig.readSettings()
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self.refreshAlgorithms()
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return True
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def unload(self):
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"""Setting should be removed here, so they do not appear anymore
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when the plugin is unloaded.
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"""
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ProcessingConfig.removeSetting('ACTIVATE_EXAMPLE')
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ProcessingConfig.removeSetting(
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ExampleAlgorithmProvider.MY_DUMMY_SETTING)
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def isActive(self):
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"""Return True if the provider is activated and ready to run algorithms"""
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return ProcessingConfig.getSetting('ACTIVATE_EXAMPLE')
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def setActive(self, active):
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ProcessingConfig.setSettingValue('ACTIVATE_EXAMPLE', active)
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def id(self):
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"""This is the name that will appear on the toolbox group.
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It is also used to create the command line name of all the
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algorithms from this provider.
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"""
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return 'example'
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def name(self):
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"""This is the localised full name.
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"""
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return 'Example algorithms'
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def icon(self):
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"""We return the default icon.
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"""
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return QgsProcessingProvider.icon(self)
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def loadAlgorithms(self):
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"""Here we fill the list of algorithms in self.algs.
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This method is called whenever the list of algorithms should
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be updated. If the list of algorithms can change (for instance,
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if it contains algorithms from user-defined scripts and a new
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script might have been added), you should create the list again
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here.
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In this case, since the list is always the same, we assign from
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the pre-made list. This assignment has to be done in this method
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even if the list does not change, since the self.algs list is
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cleared before calling this method.
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"""
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for alg in [ExampleAlgorithm()]:
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self.addAlgorithm(alg)
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