# -*- coding: utf-8 -*-

"""
***************************************************************************
    PymorphAlgorithmProvider.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
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from sextante.core.AlgorithmProvider import AlgorithmProvider
from sextante.script.WrongScriptException import WrongScriptException
from sextante.core.SextanteLog import SextanteLog
from sextante.gdal.GdalUtils import GdalUtils
from sextante.pymorph.PymorphAlgorithm import PymorphAlgorithm

class PymorphAlgorithmProvider(AlgorithmProvider):

    def __init__(self):
        AlgorithmProvider.__init__(self)
        self.activate = False
        self.createAlgsList()

    def scriptsFolder(self):
        return os.path.dirname(__file__) + "/scripts"

    def getDescription(self):
        return "Pymorph (Morphological image processing tools)"

    def getName(self):
        return "pymorph"

    def _loadAlgorithms(self):
        self.algs = self.preloadedAlgs

    def createAlgsList(self):
        self.preloadedAlgs = []
        folder = self.scriptsFolder()
        for descriptionFile in os.listdir(folder):
            if descriptionFile.endswith("py"):
                try:
                    fullpath = os.path.join(self.scriptsFolder(), descriptionFile)
                    alg = PymorphAlgorithm(fullpath)
                    alg.group = "Algorithms"
                    self.preloadedAlgs.append(alg)
                except WrongScriptException,e:
                    SextanteLog.addToLog(SextanteLog.LOG_ERROR,e.msg)

    def getSupportedOutputRasterLayerExtensions(self):
        return GdalUtils.getSupportedRasterExtensions()