Changeset 2523

Timestamp:

02/04/10 08:43:14 (6 weeks ago)

Author:

JensDiemer

Message:

Limit the blog articles on summery page with django paginator. ticket:345

Location:

branches/0.9/pylucid_project/pylucid_plugins/blog

Files:

• preference_forms.py (modified) (2 diffs)
• templates/blog/summary.html (modified) (2 diffs)
• views.py (modified) (2 diffs)

branches/0.9/pylucid_project/pylucid_plugins/blog/preference_forms.py

@@ -2 +2 @@
 
 from django import forms
-from django.utils.translation import ugettext as _
+from django.utils.translation import ugettext_lazy as _
 
 from pylucid_project.utils.site_utils import SitePreselectPreference
@@ -10 +10 @@
 
 class BlogPrefForm(SitePreselectPreference, DBPreferencesBaseForm):
+    max_anonym_count = forms.IntegerField(
+        initial=10, min_value=1,
+        help_text=_(
+            "The maximal numbers of blog entries, displayed together"
+            " for anonymous users"
+        ),
+    )
+    max_user_count = forms.IntegerField(
+        initial=30, min_value=1,
+        help_text=_(
+            "The maximal numbers of blog entries, displayed together"
+            " for logged in PyLucid users."
+        ),
+    )
     class Meta:
         app_label = 'blog'

branches/0.9/pylucid_project/pylucid_plugins/blog/templates/blog/summary.html

@@ -7 +7 @@
 
 {% if not entries %}no blog entry exists{% endif %}
-{% for entry in entries %}
+{% for entry in entries.object_list %}
 <fieldset class="entry">
     <legend class="headline">
@@ -34 +34 @@
 {% endfor %}
 </div>
+
+<div class="pagination">
+    {% if entries.has_previous %}
+        <a href="?page={{ entries.previous_page_number }}" title="{% trans "&lt; goto previous page" %}" class="previous">&#x22D8; {% trans "previous" %}</a>
+    {% endif %}
+    
+    <span class="pagelist">
+    {% for entry in entries.paginator.page_range %}
+        {% if entry == entries.number %}
+            <strong>{{ entry }}</strong>
+        {% else %}
+            <a href="?page={{ entry }}">{{ entry }}</a>
+        {% endif %}
+    {% endfor %}
+    </span>
+ 
+    {% if entries.has_next %}
+        <a href="?page={{ entries.next_page_number }}" title="{% trans "goto next page &gt;" %}" class="next">{% trans "next" %} &#x22D9;</a>
+    {% endif %}
+</div>
 {% endblock content %}

branches/0.9/pylucid_project/pylucid_plugins/blog/views.py

@@ -39 +39 @@
 from django.views.decorators.csrf import csrf_protect
 from django.contrib.comments.views.comments import post_comment
+from django.core.paginator import Paginator, InvalidPage, EmptyPage
 
-from pylucid.decorators import render_to
+from pylucid_project.apps.pylucid.decorators import render_to
 
-from blog.models import BlogEntry
+from pylucid_project.pylucid_plugins.blog.models import BlogEntry
+from pylucid_project.pylucid_plugins.blog.preference_forms import BlogPrefForm
 
 # from django-tagging
@@ -87 +89 @@
     Display summary list with all blog entries.
     """
+    # Get all blog entries, that the current user can see
     queryset = BlogEntry.on_site
     queryset = _filter_blog_entries(request, queryset)
+
+    # Get number of entries allowed by the users see on a page. 
+    pref_form = BlogPrefForm()
+    preferences = pref_form.get_preferences()
+    if request.user.is_anonymous():
+        max_count = preferences.get("max_anonym_count", 10)
+    else:
+        max_count = preferences.get("max_user_count", 30)
+
+    # Show max_count entries per page
+    paginator = Paginator(queryset, max_count)
+
+    # Make sure page request is an int. If not, deliver first page.
+    try:
+        page = int(request.GET.get('page', '1'))
+    except ValueError:
+        page = 1
+
+    # If page request (9999) is out of range, deliver last page of results.
+    try:
+        entries = paginator.page(page)
+    except (EmptyPage, InvalidPage):
+        entries = paginator.page(paginator.num_pages)
+
     context = {
-        "entries": queryset,
+        "entries": entries,
         "tag_cloud": _get_tag_cloud(request),
         "CSS_PLUGIN_CLASS_NAME": settings.PYLUCID.CSS_PLUGIN_CLASS_NAME,