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118 lines
3.6 KiB
Python
118 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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BooleanWidget.py
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---------------------
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Date : May 2016
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Copyright : (C) 2016 by Arnaud Morvan
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Email : arnaud dot morvan at camptocamp 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__ = 'Arnaud Morvan'
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__date__ = 'May 2016'
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__copyright__ = '(C) 2016, Arnaud Morvan'
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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 inspect import isclass
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from qgis.PyQt.QtWidgets import (
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QCheckBox,
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QComboBox,
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)
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DIALOG_STANDARD = 'standard'
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DIALOG_BATCH = 'batch'
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DIALOG_MODELER = 'modeler'
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def wrapper_from_param(param, dialog=DIALOG_STANDARD, extra_values=[]):
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wrapper = param.metadata.get('widget_wrapper', None)
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# wrapper metadata should be a class path
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if isinstance(wrapper, basestring):
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tokens = wrapper.split('.')
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mod = __import__('.'.join(tokens[:-1]), fromlist=[tokens[-1]])
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wrapper = getattr(mod, tokens[-1])
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# or directly a class object
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if isclass(wrapper):
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wrapper = wrapper(param=param, dialog=dialog, extra_values=extra_values)
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# or a wrapper instance
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return wrapper
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class NotYetImplementedWidgetWrapper():
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"""Temporary substitute class for not yet implemented wrappers"""
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implemented = False
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def __init__(self, param, widget):
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self.param = param
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self.widget = widget
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class WidgetWrapper():
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implemented = True # TODO: Should be removed at the end
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def __init__(self, param, dialog=DIALOG_STANDARD, extra_values=[]):
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self.param = param
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self.dialog = dialog
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self.widget = self.createWidget(extra_values)
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self.setValue(param.default)
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def createWidget(self, extra_values=[]):
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pass
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def setValue(self, value):
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pass
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def value(self):
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pass
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class BooleanWidgetWrapper(WidgetWrapper):
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def createWidget(self, extra_values=[]):
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if self.dialog == DIALOG_STANDARD:
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return QCheckBox()
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if self.dialog in (DIALOG_BATCH, DIALOG_MODELER):
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widget = QComboBox()
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widget.addItem(widget.tr('Yes'), True)
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widget.addItem(widget.tr('No'), False)
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for text, value in extra_values:
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widget.addItem(text, value)
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return widget
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def setValue(self, value):
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if self.dialog == DIALOG_STANDARD:
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self.widget.setChecked(value)
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if self.dialog in (DIALOG_BATCH, DIALOG_MODELER):
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values = [self.widget.itemData(i) for i in range(self.widget.count())]
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try:
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idx = values.index(value)
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self.widget.setCurrentIndex(idx)
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except ValueError:
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pass
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def value(self):
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if self.dialog == DIALOG_STANDARD:
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return self.widget.isChecked()
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if self.dialog in (DIALOG_BATCH, DIALOG_MODELER):
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return self.widget.itemData(self.widget.currentIndex())
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