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64 lines
1.9 KiB
64 lines
1.9 KiB
# -*- coding: utf-8 -*- |
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from __future__ import unicode_literals |
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# Erik Stein <code@classlibrary.net>, 2017 |
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from django.db import models |
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from django.utils.encoding import python_2_unicode_compatible |
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from django.utils.text import normalize_newlines |
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from django.utils.translation import ugettext_lazy as _ |
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from ..fields import AutoSlugField |
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from ..functional import firstof |
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# TODO Use translatable fields by default |
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@python_2_unicode_compatible |
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class PageTitlesMixin(models.Model): |
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""" |
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A model mixin containg title and slug field for models serving as website |
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pages with an URL. |
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""" |
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short_title = models.CharField(_("Name"), max_length=50) |
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slug = AutoSlugField(_("URL-Name"), max_length=200, populate_from='short_title', unique_slug=True) |
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title = models.TextField(_("Titel (Langform)"), null=True, blank=True, max_length=300) |
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window_title = models.CharField(_("Fenster-/Suchmaschinentitel"), null=True, blank=True, max_length=300) |
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class Meta: |
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abstract = True |
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def __str__(self): |
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return self.short_title |
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def get_title(self): |
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return firstof( |
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self.title, |
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self.short_title |
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) |
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def get_window_title(self): |
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return firstof( |
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self.window_title, |
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self.short_title, |
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self.get_first_title_line(), |
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) |
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def get_first_title_line(self): |
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""" |
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First line of title field. |
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""" |
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return normalize_newlines(self.get_title()).partition("\n")[0] |
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def get_subtitle_lines(self): |
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""" |
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All but first line of the long title field. |
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""" |
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return normalize_newlines(self.title).partition("\n")[2] |
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class PageTitleAdminMixin(object): |
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search_fields = ['short_title', 'title', 'window_title'] |
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list_display = ['short_title', 'slug'] |
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prepopulated_fields = { |
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'slug': ('short_title',), |
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}
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