"""

Provides an image plugin with support for setting the primary point of

interest. This is very useful especially when cropping images. Depends on

`django-imagefield <https://django-imagefield.readthedocs.io>`__."""

import os

from content_editor.admin import ContentEditorInline

from django.db import models

from django.utils.html import format_html

from django.utils.translation import gettext_lazy as _

from imagefield.fields import ImageField, PPOIField

from feincms3.utils import upload_to

__all__ = ("Image", "ImageInline", "render_image")

class Image(models.Model):

"""

Image plugin

"""

image = ImageField(

_("image"),

upload_to=upload_to,

width_field="width",

height_field="height",

ppoi_field="ppoi",

# NOTE! You probably want to use auto_add_fields=True in your own

# models and not worry about setting the *_field vars above.

)

width = models.PositiveIntegerField(

_("image width"), blank=True, null=True, editable=False

)

height = models.PositiveIntegerField(

_("image height"), blank=True, null=True, editable=False

)

ppoi = PPOIField(_("primary point of interest"))

alternative_text = models.CharField(

_("alternative text"),

help_text=_("Describe the contents, e.g. for screenreaders."),

max_length=1000,

blank=True,

)

caption = models.CharField(_("caption"), blank=True, max_length=1000)

class Meta:

abstract = True

verbose_name = _("image")

verbose_name_plural = _("images")

def __str__(self):

return self.caption or os.path.basename(self.image.name)

class ImageInline(ContentEditorInline):

"""

Image inline

"""

button = '<span class="material-icons">insert_photo</span>'

def render_image(plugin, context=None, **kwargs):

"""

Return a simple, unscaled version of the image

"""

return format_html('<img src="{}" alt="">', plugin.image.url)