calendars.py :  » Content-Management-Systems » PyLucid » PyLucid_standalone » django » contrib » databrowse » plugins » Python Open Source

Home
Python Open Source
1.3.1.2 Python
2.Ajax
3.Aspect Oriented
4.Blog
5.Build
6.Business Application
7.Chart Report
8.Content Management Systems
9.Cryptographic
10.Database
11.Development
12.Editor
13.Email
14.ERP
15.Game 2D 3D
16.GIS
17.GUI
18.IDE
19.Installer
20.IRC
21.Issue Tracker
22.Language Interface
23.Log
24.Math
25.Media Sound Audio
26.Mobile
27.Network
28.Parser
29.PDF
30.Project Management
31.RSS
32.Search
33.Security
34.Template Engines
35.Test
36.UML
37.USB Serial
38.Web Frameworks
39.Web Server
40.Web Services
41.Web Unit
42.Wiki
43.Windows
44.XML
Python Open Source » Content Management Systems » PyLucid 
PyLucid » PyLucid_standalone » django » contrib » databrowse » plugins » calendars.py
from django import http
from django.db import models
from django.contrib.databrowse.datastructures import EasyModel
from django.contrib.databrowse.sites import DatabrowsePlugin
from django.shortcuts import render_to_response
from django.utils.text import capfirst
from django.utils.encoding import force_unicode
from django.utils.safestring import mark_safe
from django.views.generic import date_based
from django.utils import datetime_safe

class CalendarPlugin(DatabrowsePlugin):
    def __init__(self, field_names=None):
        self.field_names = field_names

    def field_dict(self, model):
        """
        Helper function that returns a dictionary of all DateFields or
        DateTimeFields in the given model. If self.field_names is set, it takes
        take that into account when building the dictionary.
        """
        if self.field_names is None:
            return dict([(f.name, f) for f in model._meta.fields if isinstance(f, models.DateField)])
        else:
            return dict([(f.name, f) for f in model._meta.fields if isinstance(f, models.DateField) and f.name in self.field_names])

    def model_index_html(self, request, model, site):
        fields = self.field_dict(model)
        if not fields:
            return u''
        return mark_safe(u'<p class="filter"><strong>View calendar by:</strong> %s</p>' % \
            u', '.join(['<a href="calendars/%s/">%s</a>' % (f.name, force_unicode(capfirst(f.verbose_name))) for f in fields.values()]))

    def urls(self, plugin_name, easy_instance_field):
        if isinstance(easy_instance_field.field, models.DateField):
            d = easy_instance_field.raw_value
            return [mark_safe(u'%s%s/%s/%s/%s/%s/' % (
                easy_instance_field.model.url(),
                plugin_name, easy_instance_field.field.name,
                str(d.year),
                datetime_safe.new_date(d).strftime('%b').lower(),
                d.day))]

    def model_view(self, request, model_databrowse, url):
        self.model, self.site = model_databrowse.model, model_databrowse.site
        self.fields = self.field_dict(self.model)

        # If the model has no DateFields, there's no point in going further.
        if not self.fields:
            raise http.Http404('The requested model has no calendars.')

        if url is None:
            return self.homepage_view(request)
        url_bits = url.split('/')
        if self.fields.has_key(url_bits[0]):
            return self.calendar_view(request, self.fields[url_bits[0]], *url_bits[1:])

        raise http.Http404('The requested page does not exist.')

    def homepage_view(self, request):
        easy_model = EasyModel(self.site, self.model)
        field_list = self.fields.values()
        field_list.sort(lambda x, y: cmp(x.verbose_name, y.verbose_name))
        return render_to_response('databrowse/calendar_homepage.html', {'root_url': self.site.root_url, 'model': easy_model, 'field_list': field_list})

    def calendar_view(self, request, field, year=None, month=None, day=None):
        easy_model = EasyModel(self.site, self.model)
        queryset = easy_model.get_query_set()
        extra_context = {'root_url': self.site.root_url, 'model': easy_model, 'field': field}
        if day is not None:
            return date_based.archive_day(request, year, month, day, queryset, field.name,
                template_name='databrowse/calendar_day.html', allow_empty=False, allow_future=True,
                extra_context=extra_context)
        elif month is not None:
            return date_based.archive_month(request, year, month, queryset, field.name,
                template_name='databrowse/calendar_month.html', allow_empty=False, allow_future=True,
                extra_context=extra_context)
        elif year is not None:
            return date_based.archive_year(request, year, queryset, field.name,
                template_name='databrowse/calendar_year.html', allow_empty=False, allow_future=True,
                extra_context=extra_context)
        else:
            return date_based.archive_index(request, queryset, field.name,
                template_name='databrowse/calendar_main.html', allow_empty=True, allow_future=True,
                extra_context=extra_context)
        assert False, ('%s, %s, %s, %s' % (field, year, month, day))
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.