How to use the coderedcms.models.page_models.CoderedWebPage function in coderedcms

)

    content_panels = CoderedWebPage.content_panels + [
        FieldPanel('caption'),
        MultiFieldPanel(
            [
                FieldPanel('author'),
                FieldPanel('author_display'),
                FieldPanel('date_display'),
            ],
            _('Publication Info')
        )
    ]


class CoderedArticleIndexPage(CoderedWebPage):
    """
    Shows a list of article sub-pages.
    """
    class Meta:
        verbose_name = _('CodeRed Article Index Page')
        abstract = True

    template = 'coderedcms/pages/article_index_page.html'

    index_show_subpages_default = True

    index_order_by_default = '-date_display'
    index_order_by_choices = (('-date_display', 'Display publish date, newest first'),) + \
        CoderedWebPage.index_order_by_choices

    show_images = models.BooleanField(

self.longitude = g.latlng[1]
            except TypeError:
                # Raised if google denied the request
                pass

        return super(CoderedLocationPage, self).save(*args, **kwargs)

    def get_context(self, request, *args, **kwargs):
        context = super().get_context(request)
        context['google_api_key'] = GoogleApiSettings.for_site(
            Site.objects.get(is_default_site=True)
        ).google_maps_api_key
        return context


class CoderedLocationIndexPage(CoderedWebPage):
    """
    Shows a map view of the children CoderedLocationPage.
    """
    class Meta:
        verbose_name = _('CodeRed Location Index Page')
        abstract = True

    template = 'coderedcms/pages/location_index_page.html'

    index_show_subpages_default = True

    center_latitude = models.FloatField(
        null=True,
        blank=True,
        help_text=_('The default latitude you want the map set to.'),
        default=0

def process_form_get(self, form, request):
        return CoderedWebPage.serve(self, request)

preview = body[:200] + "..." if len(body) > 200 else body
        return mark_safe(preview)

    @property
    def page_ptr(self):
        """
        Overwrite of `page_ptr` to make it compatible with wagtailimportexport.
        """
        return self.base_page_ptr

    @page_ptr.setter
    def page_ptr(self, value):
        self.base_page_ptr = value


class CoderedArticlePage(CoderedWebPage):
    """
    Article, suitable for news or blog content.
    """
    class Meta:
        verbose_name = _('CodeRed Article')
        abstract = True

    template = 'coderedcms/pages/article_page.html'
    amp_template = 'coderedcms/pages/article_page.amp.html'

    # Override body to provide simpler content
    body = StreamField(CONTENT_STREAMBLOCKS, null=True, blank=True)

    caption = models.CharField(
        max_length=255,
        blank=True,

return self.caption
        if self.body_preview:
            return self.body_preview
        return ''

    search_fields = (
        CoderedWebPage.search_fields +
        [
            index.SearchField('caption', boost=2),
            index.FilterField('author'),
            index.FilterField('author_display'),
            index.FilterField('date_display'),
        ]
    )

    content_panels = CoderedWebPage.content_panels + [
        FieldPanel('caption'),
        MultiFieldPanel(
            [
                FieldPanel('author'),
                FieldPanel('author_display'),
                FieldPanel('date_display'),
            ],
            _('Publication Info')
        )
    ]


class CoderedArticleIndexPage(CoderedWebPage):
    """
    Shows a list of article sub-pages.
    """

"""
    class Meta:
        verbose_name = _('CodeRed Form Page')
        abstract = True

    template = 'coderedcms/pages/form_page.html'
    landing_page_template = 'coderedcms/pages/form_page_landing.html'

    base_form_class = WagtailAdminFormPageForm

    form_builder = CoderedFormBuilder

    body_content_panels = [
        InlinePanel('form_fields', label="Form fields"),
    ] + \
        CoderedWebPage.body_content_panels + \
        CoderedFormMixin.body_content_panels + [
            FormSubmissionsPanel(),
            InlinePanel('confirmation_emails', label=_('Confirmation Emails'))
    ]

    settings_panels = CoderedPage.settings_panels + CoderedFormMixin.settings_panels

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        if not hasattr(self, 'landing_page_template'):
            name, ext = os.path.splitext(self.template)
            self.landing_page_template = name + '_landing' + ext

    def get_form_fields(self):
        """
        Form page expects `form_fields` to be declared.

class CoderedArticleIndexPage(CoderedWebPage):
    """
    Shows a list of article sub-pages.
    """
    class Meta:
        verbose_name = _('CodeRed Article Index Page')
        abstract = True

    template = 'coderedcms/pages/article_index_page.html'

    index_show_subpages_default = True

    index_order_by_default = '-date_display'
    index_order_by_choices = (('-date_display', 'Display publish date, newest first'),) + \
        CoderedWebPage.index_order_by_choices

    show_images = models.BooleanField(
        default=True,
        verbose_name=_('Show images'),
    )
    show_captions = models.BooleanField(
        default=True,
    )
    show_meta = models.BooleanField(
        default=True,
        verbose_name=_('Show author and date info'),
    )
    show_preview_text = models.BooleanField(
        default=True,
        verbose_name=_('Show preview text'),
    )

)

    layout_panels = CoderedWebPage.layout_panels + [
        MultiFieldPanel(
            [
                FieldPanel('show_images'),
                FieldPanel('show_captions'),
                FieldPanel('show_meta'),
                FieldPanel('show_preview_text'),
            ],
            heading=_('Child page display')
        ),
    ]


class CoderedEventPage(CoderedWebPage, BaseEvent):
    class Meta:
        verbose_name = _('CodeRed Event')
        abstract = True

    calendar_color = ColorField(
        blank=True,
        help_text=_('The color that the event will use when displayed on a calendar.'),
    )
    address = models.TextField(
        blank=True,
        verbose_name=_("Address")
    )
    content_panels = CoderedWebPage.content_panels + [
        MultiFieldPanel(
            [
                FieldPanel('calendar_color'),

center_longitude = models.FloatField(
        null=True,
        blank=True,
        help_text=_('The default longitude you want the map set to.'),
        default=0
    )
    zoom = models.IntegerField(
        default=8,
        validators=[
            MaxValueValidator(20),
            MinValueValidator(1),
        ],
        help_text=_("Requires API key to use zoom. 1: World, 5: Landmass/continent, 10: City, 15: Streets, 20: Buildings")  # noqa
    )

    layout_panels = CoderedWebPage.layout_panels + [
        MultiFieldPanel(
            [
                FieldPanel('center_latitude'),
                FieldPanel('center_longitude'),
                FieldPanel('zoom'),
            ],
            heading=_('Map Display')
        ),
    ]

    def geojson_data(self, viewport=None):
        """
        function that will return all locations under this index as geoJSON compliant data.
        It is filtered by a latitude/longitude viewport if given.

        viewport is a string in the format of :