QGIS/python/plugins/processing/modeler/ModelerAlgorithmProvider.py

95 lines
3.7 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
ModelerAlgorithmProvider.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'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os.path
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from processing.core.AlgorithmProvider import AlgorithmProvider
from processing.core.ProcessingConfig import ProcessingConfig, Setting
from processing.core.ProcessingLog import ProcessingLog
from processing.modeler.SaveAsPythonScriptAction import \
SaveAsPythonScriptAction
from processing.modeler.ModelerUtils import ModelerUtils
from processing.modeler.ModelerAlgorithm import ModelerAlgorithm
from processing.modeler.WrongModelException import WrongModelException
from processing.modeler.EditModelAction import EditModelAction
from processing.modeler.CreateNewModelAction import CreateNewModelAction
from processing.modeler.DeleteModelAction import DeleteModelAction
class ModelerAlgorithmProvider(AlgorithmProvider):
def __init__(self):
AlgorithmProvider.__init__(self)
# self.actions = [CreateNewModelAction()]
self.contextMenuActions = [EditModelAction(), DeleteModelAction(),
SaveAsPythonScriptAction()]
def initializeSettings(self):
AlgorithmProvider.initializeSettings(self)
ProcessingConfig.addSetting(Setting(self.getDescription(),
ModelerUtils.MODELS_FOLDER, 'Models folder'
, ModelerUtils.modelsFolder()))
def setAlgsList(self, algs):
ModelerUtils.allAlgs = algs
def modelsFolder(self):
return ModelerUtils.modelsFolder()
def getDescription(self):
return 'Models'
def getName(self):
return 'model'
def getIcon(self):
return QIcon(os.path.dirname(__file__) + '/../images/model.png')
def _loadAlgorithms(self):
folder = ModelerUtils.modelsFolder()
self.loadFromFolder(folder)
folder = os.path.join(os.path.dirname(__file__), 'models')
self.loadFromFolder(folder)
def loadFromFolder(self, folder):
if not os.path.exists(folder):
return
for descriptionFile in os.listdir(folder):
if descriptionFile.endswith('model'):
try:
alg = ModelerAlgorithm()
fullpath = os.path.join(folder, descriptionFile)
alg.openModel(fullpath)
if alg.name.strip() != '':
alg.provider = self
self.algs.append(alg)
except WrongModelException, e:
ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
'Could not load model ' + descriptionFile + '\n'
+ e.msg)