__title__ = 'fobi.contrib.plugins.form_elements.fields.select_model_object.forms'
__author__ = 'Artur Barseghyan <artur.barseghyan@gmail.com>'
__copyright__ = 'Copyright (c) 2014 Artur Barseghyan'
__license__ = 'GPL 2.0/LGPL 2.1'
__all__ = ('SelectModelObjectInputForm',)

from django import forms
from django.utils.translation import ugettext_lazy as _

from fobi.base import BaseFormFieldPluginForm, get_theme
from fobi.helpers import get_registered_models
from fobi.contrib.plugins.form_elements.fields.select_model_object.settings \
    import IGNORED_MODELS

theme = get_theme(request=None, as_instance=True)

class SelectModelObjectInputForm(forms.Form, BaseFormFieldPluginForm):
    """
    Form for ``SelectModelObjectPlugin``.
    """
    plugin_data_fields = [
        ("label", ""),
        ("name", ""),
        ("model", ""),
        ("help_text", ""),
        ("initial", ""),
        ("required", False)
    ]

    label = forms.CharField(
        label = _("Label"),
        required = True,
        widget = forms.widgets.TextInput(attrs={'class': theme.form_element_html_class})
        )
    name = forms.CharField(
        label = _("Name"),
        required = True,
        widget = forms.widgets.TextInput(attrs={'class': theme.form_element_html_class})
        )
    model = forms.ChoiceField(
        label = _("Model"),
        choices = [],
        required = False,
        widget = forms.widgets.Select(attrs={'class': theme.form_element_html_class})
        )
    help_text = forms.CharField(
        label = _("Help text"),
        required = False,
        widget = forms.widgets.Textarea(attrs={'class': theme.form_element_html_class})
        )
    initial = forms.CharField(
        label = _("Initial"),
        required = False,
        widget = forms.widgets.TextInput(attrs={'class': theme.form_element_html_class})
        )
    required = forms.BooleanField(
        label = _("Required"),
        required = False,
        widget = forms.widgets.CheckboxInput(attrs={'class': theme.form_element_html_class})
        )

    def __init__(self, *args, **kwargs):
        """
        In order to avoid static calls to `get_registered_models`.
        """
        super(SelectModelObjectInputForm, self).__init__(*args, **kwargs)
        self.fields['model'].choices = get_registered_models(
            ignore = IGNORED_MODELS
            )
