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65 lines
1.9 KiB
65 lines
1.9 KiB
8 years ago
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# -*- 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 utils.functional import firstof
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from ..fields import AutoSlugField
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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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