252 lines
7.3 KiB
Python
252 lines
7.3 KiB
Python
from django.contrib.contenttypes.fields import GenericForeignKey
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from django.contrib.contenttypes.models import ContentType
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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 adminsortable.fields import SortableForeignKey
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from adminsortable.models import Sortable, SortableMixin
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@python_2_unicode_compatible
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class SimpleModel(models.Model):
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class Meta:
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abstract = True
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title = models.CharField(max_length=50)
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def __str__(self):
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return self.title
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# A model that is sortable
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class Category(SimpleModel, SortableMixin):
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class Meta:
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verbose_name_plural = 'Categories'
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ordering = ['order']
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order = models.PositiveIntegerField(default=0)
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# A model with an override of its queryset for admin
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@python_2_unicode_compatible
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class Widget(SimpleModel, SortableMixin):
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class Meta:
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ordering = ['order']
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def __str__(self):
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return self.title
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order = models.PositiveIntegerField(default=0, editable=False)
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# A model that is sortable relative to a foreign key that is also sortable
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# uses SortableForeignKey field. Works with versions 1.3+
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class Project(SimpleModel, SortableMixin):
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class Meta:
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ordering = ['order']
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category = SortableForeignKey(Category, on_delete=models.CASCADE)
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description = models.TextField()
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order = models.PositiveIntegerField(default=0, editable=False)
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# Registered as a tabular inline on `Project`
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@python_2_unicode_compatible
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class Credit(SortableMixin):
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class Meta:
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ordering = ['order']
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project = models.ForeignKey(Project, on_delete=models.CASCADE)
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first_name = models.CharField(max_length=30, help_text="Given name")
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last_name = models.CharField(max_length=30, help_text="Family name")
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order = models.PositiveIntegerField(default=0, editable=False)
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def __str__(self):
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return '{0} {1}'.format(self.first_name, self.last_name)
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# Registered as a stacked inline on `Project`
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@python_2_unicode_compatible
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class Note(SortableMixin):
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class Meta:
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ordering = ['order']
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project = models.ForeignKey(Project, on_delete=models.CASCADE)
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text = models.CharField(max_length=100)
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order = models.PositiveIntegerField(default=0, editable=False)
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def __str__(self):
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return self.text
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# Registered as a tabular inline on `Project` which can't be sorted
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@python_2_unicode_compatible
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class NonSortableCredit(models.Model):
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project = models.ForeignKey(Project, on_delete=models.CASCADE)
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first_name = models.CharField(max_length=30, help_text="Given name")
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last_name = models.CharField(max_length=30, help_text="Family name")
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def __str__(self):
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return '{0} {1}'.format(self.first_name, self.last_name)
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# Registered as a stacked inline on `Project` which can't be sorted
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@python_2_unicode_compatible
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class NonSortableNote(models.Model):
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project = models.ForeignKey(Project, on_delete=models.CASCADE)
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text = models.CharField(max_length=100)
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def __str__(self):
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return self.text
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# A generic bound model
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@python_2_unicode_compatible
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class GenericNote(SimpleModel, SortableMixin):
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content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE,
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verbose_name=u"Content type", related_name="generic_notes")
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object_id = models.PositiveIntegerField(u"Content id")
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content_object = GenericForeignKey(ct_field='content_type',
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fk_field='object_id')
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order = models.PositiveIntegerField(default=0, editable=False)
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class Meta:
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ordering = ['order']
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def __str__(self):
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return u'{0}: {1}'.format(self.title, self.content_object)
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# An model registered as an inline that has a custom queryset
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@python_2_unicode_compatible
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class Component(SimpleModel, SortableMixin):
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class Meta:
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ordering = ['order']
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widget = SortableForeignKey(Widget, on_delete=models.CASCADE)
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order = models.PositiveIntegerField(default=0, editable=False)
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def __str__(self):
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return self.title
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@python_2_unicode_compatible
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class Person(SortableMixin):
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class Meta:
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ordering = ['order']
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verbose_name_plural = 'People'
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first_name = models.CharField(max_length=50)
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last_name = models.CharField(max_length=50)
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is_board_member = models.BooleanField('Board Member', default=False)
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order = models.PositiveIntegerField(default=0, editable=False)
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# Sorting Filters allow you to set up sub-sets of objects that need
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# to have independent sorting. They are listed in order, from left
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# to right in the sorting change list. You can use any standard
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# Django ORM filter method.
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sorting_filters = (
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('Board Members', {'is_board_member': True}),
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('Non-Board Members', {'is_board_member': False}),
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)
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def __str__(self):
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return '{0} {1}'.format(self.first_name, self.last_name)
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@python_2_unicode_compatible
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class NonSortableCategory(SimpleModel):
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class Meta(SimpleModel.Meta):
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verbose_name = 'Non-Sortable Category'
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verbose_name_plural = 'Non-Sortable Categories'
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def __str__(self):
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return self.title
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@python_2_unicode_compatible
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class SortableCategoryWidget(SimpleModel, SortableMixin):
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class Meta:
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ordering = ['order']
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verbose_name = 'Sortable Category Widget'
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verbose_name_plural = 'Sortable Category Widgets'
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non_sortable_category = SortableForeignKey(
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NonSortableCategory, on_delete=models.CASCADE)
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order = models.PositiveIntegerField(default=0, editable=False)
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def __str__(self):
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return self.title
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@python_2_unicode_compatible
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class SortableNonInlineCategory(SimpleModel, SortableMixin):
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"""Example of a model that is sortable, but has a SortableForeignKey
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that is *not* sortable, and is also not defined as an inline of the
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SortableForeignKey field."""
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non_sortable_category = SortableForeignKey(
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NonSortableCategory, on_delete=models.CASCADE)
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order = models.PositiveIntegerField(default=0, editable=False)
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class Meta:
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ordering = ['order']
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verbose_name = 'Sortable Non-Inline Category'
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verbose_name_plural = 'Sortable Non-Inline Categories'
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def __str__(self):
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return self.title
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@python_2_unicode_compatible
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class CustomWidget(SortableMixin, SimpleModel):
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# custom field for ordering
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custom_order_field = models.PositiveIntegerField(default=0, db_index=True,
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editable=False)
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class Meta:
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ordering = ['custom_order_field']
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verbose_name = 'Custom Widget'
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verbose_name_plural = 'Custom Widgets'
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def __str__(self):
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return self.title
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@python_2_unicode_compatible
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class CustomWidgetComponent(SortableMixin, SimpleModel):
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custom_widget = models.ForeignKey(CustomWidget, on_delete=models.CASCADE)
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# custom field for ordering
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widget_order = models.PositiveIntegerField(default=0, db_index=True,
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editable=False)
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class Meta:
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ordering = ['widget_order']
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verbose_name = 'Custom Widget Component'
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verbose_name_plural = 'Custom Widget Components'
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def __str__(self):
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return self.title
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@python_2_unicode_compatible
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class BackwardCompatibleWidget(Sortable, SimpleModel):
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class Meta(Sortable.Meta):
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verbose_name = 'Backward Compatible Widget'
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verbose_name_plural = 'Backward Compatible Widgets'
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def __str__(self):
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return self.title
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