112 lines
4.1 KiB
Python
112 lines
4.1 KiB
Python
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import json
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from django import template
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from django.template.context import Context
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from .base import InclusionAdminNode
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register = template.Library()
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def prepopulated_fields_js(context):
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"""
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Create a list of prepopulated_fields that should render Javascript for
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the prepopulated fields for both the admin form and inlines.
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"""
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prepopulated_fields = []
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if 'adminform' in context:
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prepopulated_fields.extend(context['adminform'].prepopulated_fields)
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if 'inline_admin_formsets' in context:
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for inline_admin_formset in context['inline_admin_formsets']:
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for inline_admin_form in inline_admin_formset:
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if inline_admin_form.original is None:
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prepopulated_fields.extend(inline_admin_form.prepopulated_fields)
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prepopulated_fields_json = []
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for field in prepopulated_fields:
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prepopulated_fields_json.append({
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"id": "#%s" % field["field"].auto_id,
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"name": field["field"].name,
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"dependency_ids": ["#%s" % dependency.auto_id for dependency in field["dependencies"]],
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"dependency_list": [dependency.name for dependency in field["dependencies"]],
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"maxLength": field["field"].field.max_length or 50,
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"allowUnicode": getattr(field["field"].field, "allow_unicode", False)
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})
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context.update({
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'prepopulated_fields': prepopulated_fields,
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'prepopulated_fields_json': json.dumps(prepopulated_fields_json),
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})
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return context
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@register.tag(name='prepopulated_fields_js')
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def prepopulated_fields_js_tag(parser, token):
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return InclusionAdminNode(parser, token, func=prepopulated_fields_js, template_name="prepopulated_fields_js.html")
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def submit_row(context):
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"""
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Display the row of buttons for delete and save.
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"""
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add = context['add']
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change = context['change']
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is_popup = context['is_popup']
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save_as = context['save_as']
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show_save = context.get('show_save', True)
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show_save_and_continue = context.get('show_save_and_continue', True)
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has_add_permission = context['has_add_permission']
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has_change_permission = context['has_change_permission']
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has_view_permission = context['has_view_permission']
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has_editable_inline_admin_formsets = context['has_editable_inline_admin_formsets']
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can_save = (has_change_permission and change) or (has_add_permission and add) or has_editable_inline_admin_formsets
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can_save_and_continue = not is_popup and can_save and has_view_permission and show_save_and_continue
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can_change = has_change_permission or has_editable_inline_admin_formsets
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ctx = Context(context)
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ctx.update({
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'can_change': can_change,
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'show_delete_link': (
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not is_popup and context['has_delete_permission'] and
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change and context.get('show_delete', True)
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),
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'show_save_as_new': not is_popup and has_change_permission and change and save_as,
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'show_save_and_add_another': (
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has_add_permission and not is_popup and
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(not save_as or add) and can_save
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),
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'show_save_and_continue': can_save_and_continue,
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'show_save': show_save and can_save,
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'show_close': not(show_save and can_save)
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})
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return ctx
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@register.tag(name='submit_row')
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def submit_row_tag(parser, token):
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return InclusionAdminNode(parser, token, func=submit_row, template_name='submit_line.html')
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@register.tag(name='change_form_object_tools')
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def change_form_object_tools_tag(parser, token):
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"""Display the row of change form object tools."""
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return InclusionAdminNode(
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parser, token,
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func=lambda context: context,
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template_name='change_form_object_tools.html',
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)
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@register.filter
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def cell_count(inline_admin_form):
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"""Return the number of cells used in a tabular inline."""
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count = 1 # Hidden cell with hidden 'id' field
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for fieldset in inline_admin_form:
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# Loop through all the fields (one per cell)
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for line in fieldset:
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for field in line:
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count += 1
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if inline_admin_form.formset.can_delete:
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# Delete checkbox
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count += 1
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return count
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