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86 lines
4.2 KiB
86 lines
4.2 KiB
from django import http |
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from django.db import models |
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from django.contrib.databrowse.datastructures import EasyModel |
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from django.contrib.databrowse.sites import DatabrowsePlugin |
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from django.shortcuts import render_to_response |
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from django.utils.text import capfirst |
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from django.utils.encoding import force_unicode |
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from django.utils.safestring import mark_safe |
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from django.views.generic import date_based |
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from django.utils import datetime_safe |
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class CalendarPlugin(DatabrowsePlugin): |
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def __init__(self, field_names=None): |
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self.field_names = field_names |
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def field_dict(self, model): |
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""" |
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Helper function that returns a dictionary of all DateFields or |
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DateTimeFields in the given model. If self.field_names is set, it takes |
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take that into account when building the dictionary. |
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""" |
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if self.field_names is None: |
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return dict([(f.name, f) for f in model._meta.fields if isinstance(f, models.DateField)]) |
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else: |
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return dict([(f.name, f) for f in model._meta.fields if isinstance(f, models.DateField) and f.name in self.field_names]) |
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def model_index_html(self, request, model, site): |
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fields = self.field_dict(model) |
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if not fields: |
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return u'' |
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return mark_safe(u'<p class="filter"><strong>View calendar by:</strong> %s</p>' % \ |
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u', '.join(['<a href="calendars/%s/">%s</a>' % (f.name, force_unicode(capfirst(f.verbose_name))) for f in fields.values()])) |
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def urls(self, plugin_name, easy_instance_field): |
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if isinstance(easy_instance_field.field, models.DateField): |
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d = easy_instance_field.raw_value |
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return [mark_safe(u'%s%s/%s/%s/%s/%s/' % ( |
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easy_instance_field.model.url(), |
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plugin_name, easy_instance_field.field.name, |
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d.year, |
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datetime_safe.new_date(d).strftime('%b').lower(), |
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d.day))] |
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def model_view(self, request, model_databrowse, url): |
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self.model, self.site = model_databrowse.model, model_databrowse.site |
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self.fields = self.field_dict(self.model) |
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# If the model has no DateFields, there's no point in going further. |
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if not self.fields: |
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raise http.Http404('The requested model has no calendars.') |
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if url is None: |
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return self.homepage_view(request) |
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url_bits = url.split('/') |
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if self.fields.has_key(url_bits[0]): |
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return self.calendar_view(request, self.fields[url_bits[0]], *url_bits[1:]) |
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raise http.Http404('The requested page does not exist.') |
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def homepage_view(self, request): |
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easy_model = EasyModel(self.site, self.model) |
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field_list = self.fields.values() |
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field_list.sort(lambda x, y: cmp(x.verbose_name, y.verbose_name)) |
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return render_to_response('databrowse/calendar_homepage.html', {'root_url': self.site.root_url, 'model': easy_model, 'field_list': field_list}) |
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def calendar_view(self, request, field, year=None, month=None, day=None): |
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easy_model = EasyModel(self.site, self.model) |
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queryset = easy_model.get_query_set() |
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extra_context = {'root_url': self.site.root_url, 'model': easy_model, 'field': field} |
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if day is not None: |
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return date_based.archive_day(request, year, month, day, queryset, field.name, |
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template_name='databrowse/calendar_day.html', allow_empty=False, allow_future=True, |
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extra_context=extra_context) |
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elif month is not None: |
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return date_based.archive_month(request, year, month, queryset, field.name, |
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template_name='databrowse/calendar_month.html', allow_empty=False, allow_future=True, |
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extra_context=extra_context) |
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elif year is not None: |
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return date_based.archive_year(request, year, queryset, field.name, |
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template_name='databrowse/calendar_year.html', allow_empty=False, allow_future=True, |
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extra_context=extra_context) |
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else: |
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return date_based.archive_index(request, queryset, field.name, |
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template_name='databrowse/calendar_main.html', allow_empty=True, allow_future=True, |
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extra_context=extra_context) |
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assert False, ('%s, %s, %s, %s' % (field, year, month, day))
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