"""
open/dulcinea/lib/ui/form/widget.qpy
"""

from qp.fill.widget import Widget, CompositeWidget, StringWidget, SingleSelectWidget

class PairWidget(CompositeWidget):

    def __init__(self, name, value=None,
                 element_type=StringWidget,
                 element1_kwargs={}, element2_kwargs={}, **kwargs):
        assert value is None or type(value) is list or type(value) is tuple, (
            "value '%s' not a list or tuple: got %r" % (name, value))
        if value is not None:
            assert len(value) == 2, (
                "non-None value not of length 2: got %r" % (name, value))
        assert issubclass(element_type, Widget), (
            "value '%s' element_type not a Widget: "
            "got %r" % (name, element_type))
        assert type(element1_kwargs) is dict, (
            "value '%s' element1_kwargs not a dict: "
            "got %r" % (name, element1_kwargs))
        assert type(element2_kwargs) is dict, (
            "value '%s' element2_kwargs not a dict: "
            "got %r" % (name, element2_kwargs))
        CompositeWidget.__init__(self, name, value, **kwargs)
        if not value:
            value = (None, None)
        self.add(element_type, 'element1', value=value[0], **element1_kwargs)
        self.add(element_type, 'element2', value=value[1], **element2_kwargs)

    def _parse(self, request):
        element1 = self.get('element1')
        element2 = self.get('element2')
        if element1 and element2:
            self.value = (element1, element2)
        else:
            self.value = None

class SingleSelectAndStringWidget(CompositeWidget):

    def __init__(self, name, value=None, size=55, options=None, **kwargs):
        CompositeWidget.__init__(self, name, value, **kwargs)
        self.add(SingleSelectWidget, 'selection', value=None, options=options)
        self.add(StringWidget, 'text', value=None, size=size)

    def _parse(self, request):
        if self.get('selection') is None:
            self.value = None
        else:
            self.value = self.get('selection')
            if self.get('text'):
                self.value += ': ' + self.get('text')