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# -*- coding: utf-8 -*-
"""
***************************************************************************
ProcessingConfig.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 QPyNullVariant, QCoreApplication, QSettings
from PyQt4.QtGui import QIcon
from processing.tools.system import defaultOutputFolder
import processing.tools.dataobjects
class ProcessingConfig:
OUTPUT_FOLDER = 'OUTPUTS_FOLDER'
RASTER_STYLE = 'RASTER_STYLE'
VECTOR_POINT_STYLE = 'VECTOR_POINT_STYLE'
VECTOR_LINE_STYLE = 'VECTOR_LINE_STYLE'
VECTOR_POLYGON_STYLE = 'VECTOR_POLYGON_STYLE'
SHOW_RECENT_ALGORITHMS = 'SHOW_RECENT_ALGORITHMS'
USE_SELECTED = 'USE_SELECTED'
USE_FILENAME_AS_LAYER_NAME = 'USE_FILENAME_AS_LAYER_NAME'
KEEP_DIALOG_OPEN = 'KEEP_DIALOG_OPEN'
SHOW_DEBUG_IN_DIALOG = 'SHOW_DEBUG_IN_DIALOG'
RECENT_ALGORITHMS = 'RECENT_ALGORITHMS'
PRE_EXECUTION_SCRIPT = 'PRE_EXECUTION_SCRIPT'
POST_EXECUTION_SCRIPT = 'POST_EXECUTION_SCRIPT'
SHOW_CRS_DEF = 'SHOW_CRS_DEF'
WARN_UNMATCHING_CRS = 'WARN_UNMATCHING_CRS'
DEFAULT_OUTPUT_RASTER_LAYER_EXT = 'DEFAULT_OUTPUT_RASTER_LAYER_EXT'
DEFAULT_OUTPUT_VECTOR_LAYER_EXT = 'DEFAULT_OUTPUT_VECTOR_LAYER_EXT'
SHOW_PROVIDERS_TOOLTIP = "SHOW_PROVIDERS_TOOLTIP"
MODELS_SCRIPTS_REPO = 'MODELS_SCRIPTS_REPO'
settings = {}
settingIcons = {}
@staticmethod
def initialize():
icon = QIcon(os.path.dirname(__file__) + '/../images/alg.png')
ProcessingConfig.settingIcons['General'] = icon
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.SHOW_DEBUG_IN_DIALOG,
ProcessingConfig.tr('Show extra info in Log panel'), True))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.KEEP_DIALOG_OPEN,
ProcessingConfig.tr('Keep dialog open after running an algorithm'), False))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.USE_SELECTED,
ProcessingConfig.tr('Use only selected features'), True))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.USE_FILENAME_AS_LAYER_NAME,
ProcessingConfig.tr('Use filename as layer name'), False))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.SHOW_RECENT_ALGORITHMS,
ProcessingConfig.tr('Show recently executed algorithms'), True))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.SHOW_PROVIDERS_TOOLTIP,
ProcessingConfig.tr('Show tooltip when there are disabled providers'), True))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.OUTPUT_FOLDER,
ProcessingConfig.tr('Output folder'), defaultOutputFolder(),
valuetype=Setting.FOLDER))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.SHOW_CRS_DEF,
ProcessingConfig.tr('Show layer CRS definition in selection boxes'), True))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.WARN_UNMATCHING_CRS,
ProcessingConfig.tr("Warn before executing if layer CRS's do not match"), True))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.RASTER_STYLE,
ProcessingConfig.tr('Style for raster layers'), '',
valuetype=Setting.FILE))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.VECTOR_POINT_STYLE,
ProcessingConfig.tr('Style for point layers'), '',
valuetype=Setting.FILE))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.VECTOR_LINE_STYLE,
ProcessingConfig.tr('Style for line layers'), '',
valuetype=Setting.FILE))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.VECTOR_POLYGON_STYLE,
ProcessingConfig.tr('Style for polygon layers'), '',
valuetype=Setting.FILE))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.PRE_EXECUTION_SCRIPT,
ProcessingConfig.tr('Pre-execution script'), '',
valuetype=Setting.FILE))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.POST_EXECUTION_SCRIPT,
ProcessingConfig.tr('Post-execution script'), '',
valuetype=Setting.FILE))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.RECENT_ALGORITHMS,
ProcessingConfig.tr('Recent algs'), '', hidden=True))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.MODELS_SCRIPTS_REPO,
ProcessingConfig.tr('Scripts and models repository'),
'https://raw.githubusercontent.com/qgis/QGIS-Processing/master'))
extensions = processing.tools.dataobjects.getSupportedOutputVectorLayerExtensions()
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.DEFAULT_OUTPUT_VECTOR_LAYER_EXT,
ProcessingConfig.tr('Default output vector layer extension'), extensions[0],
valuetype=Setting.SELECTION, options=extensions))
extensions = processing.tools.dataobjects.getSupportedOutputRasterLayerExtensions()
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.DEFAULT_OUTPUT_RASTER_LAYER_EXT,
ProcessingConfig.tr('Default output raster layer extension'), extensions[0],
valuetype=Setting.SELECTION, options=extensions))
@staticmethod
def setGroupIcon(group, icon):
ProcessingConfig.settingIcons[group] = icon
@staticmethod
def getGroupIcon(group):
if group == ProcessingConfig.tr('General'):
return QIcon(os.path.dirname(__file__) + '/../images/alg.png')
if group in ProcessingConfig.settingIcons:
return ProcessingConfig.settingIcons[group]
else:
return QIcon(os.path.dirname(__file__) + '/../images/alg.png')
@staticmethod
def addSetting(setting):
ProcessingConfig.settings[setting.name] = setting
@staticmethod
def removeSetting(name):
del ProcessingConfig.settings[name]
@staticmethod
def getSettings():
'''Return settings as a dict with group names as keys and lists of settings as values'''
settings = {}
for setting in ProcessingConfig.settings.values():
if setting.group not in settings:
group = []
settings[setting.group] = group
else:
group = settings[setting.group]
group.append(setting)
return settings
@staticmethod
def readSettings():
for setting in ProcessingConfig.settings.values():
setting.read()
@staticmethod
def getSetting(name):
if name in ProcessingConfig.settings.keys():
v = ProcessingConfig.settings[name].value
if isinstance(v, QPyNullVariant):
v = None
return v
else:
return None
@staticmethod
def setSettingValue(name, value):
if name in ProcessingConfig.settings.keys():
ProcessingConfig.settings[name].setValue(value)
ProcessingConfig.settings[name].save()
@staticmethod
def tr(string, context=''):
if context == '':
context = 'ProcessingConfig'
return QCoreApplication.translate(context, string)
class Setting:
"""A simple config parameter that will appear on the config dialog.
"""
STRING = 0
FILE = 1
FOLDER = 2
SELECTION = 3
FLOAT = 4
INT = 5
def __init__(self, group, name, description, default, hidden=False, valuetype=None,
validator=None, options=None):
self.group = group
self.name = name
self.qname = "Processing/Configuration/" + self.name
self.description = description
self.default = default
self.hidden = hidden
if valuetype is None:
if isinstance(default, (int, long)):
valuetype = self.INT
elif isinstance(default, float):
valuetype = self.FLOAT
self.valuetype = valuetype
self.options = options
if validator is None:
if valuetype == self.FLOAT:
def checkFloat(v):
try:
float(v)
except ValueError:
raise ValueError(self.tr('Wrong parameter value:\n%s') % unicode(v))
validator = checkFloat
elif valuetype == self.INT:
def checkInt(v):
try:
int(v)
except ValueError:
raise ValueError(self.tr('Wrong parameter value:\n%s') % unicode(v))
validator = checkInt
elif valuetype in [self.FILE, self.FOLDER]:
def checkFileOrFolder(v):
if v and not os.path.exists(v):
raise ValueError(self.tr('Specified path does not exist:\n%s') % unicode(v))
validator = checkFileOrFolder
else:
validator = lambda x: True
self.validator = validator
self.value = default
def setValue(self, value):
self.validator(value)
self.value = value
def read(self):
qsettings = QSettings()
value = qsettings.value(self.qname, None)
if value is not None:
if isinstance(self.value, bool):
value = unicode(value).lower() == unicode(True).lower()
self.value = value
def save(self):
QSettings().setValue(self.qname, self.value)
def __str__(self):
return self.name + '=' + unicode(self.value)
def tr(self, string, context=''):
if context == '':
context = 'ProcessingConfig'
return QCoreApplication.translate(context, string)
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