Initial changes to support the new Django 1.6 project structure

mayan/apps/documents/widgets.py

@@ -0,0 +1,82 @@
+from __future__ import absolute_import
+
+from django.utils.safestring import mark_safe
+from django.conf import settings
+from django.utils.translation import ugettext_lazy as _
+from django.core.urlresolvers import reverse
+from django.utils.http import urlencode
+
+from converter.literals import (DEFAULT_ZOOM_LEVEL, DEFAULT_ROTATION,
+    DEFAULT_PAGE_NUMBER)
+from mimetype.api import get_error_icon_url
+
+
+def document_thumbnail(document):
+    return document_html_widget(document, click_view='document_preview')
+
+
+def document_link(document):
+    return mark_safe(u'<a href="%s">%s</a>' % (reverse('document_view_simple', args=[document.pk]), document))
+
+
+def document_html_widget(document, view='document_thumbnail', click_view=None, page=DEFAULT_PAGE_NUMBER, zoom=DEFAULT_ZOOM_LEVEL, rotation=DEFAULT_ROTATION, gallery_name=None, fancybox_class='fancybox', version=None):
+    result = []
+
+    alt_text = _(u'document page image')
+
+    if not version:
+        version = document.latest_version.pk
+
+    query_dict = {
+        'page': page,
+        'zoom': zoom,
+        'rotation': rotation,
+        'version': version,
+    }
+
+    if gallery_name:
+        gallery_template = u'rel="%s"' % gallery_name
+    else:
+        gallery_template = u''
+
+    query_string = urlencode(query_dict)
+    preview_view = u'%s?%s' % (reverse(view, args=[document.pk]), query_string)
+
+    plain_template = []
+    plain_template.append(u'<img src="%s" alt="%s" />' % (preview_view, alt_text))
+
+    result.append(u'<div class="tc" id="document-%d-%d">' % (document.pk, page if page else 1))
+
+    if click_view:
+        result.append(u'<a %s class="%s" href="%s">' % (gallery_template, fancybox_class, u'%s?%s' % (reverse(click_view, args=[document.pk]), query_string)))
+    result.append(u'<img class="thin_border lazy-load" data-href="%s" src="%simages/ajax-loader.gif" alt="%s" />' % (preview_view, settings.STATIC_URL, alt_text))
+    result.append(u'<noscript><img style="border: 1px solid black;" src="%s" alt="%s" /></noscript>' % (preview_view, alt_text))
+
+    if click_view:
+        result.append(u'</a>')
+    result.append(u'</div>')
+
+    result.append(u'''
+        <script type="text/javascript">
+        $(document).ready(function() {
+            $.get('%(url)s', function(data) {})
+                .success(function(data) {
+                    if (!data.result) {
+                        $('#document-%(pk)d-%(page)d').html('%(plain_template)s');
+                    }
+                })
+                .error(function(data) {
+                    $('#document-%(pk)d-%(page)d').html('<img src="%(error_image)s" />');
+                });
+        });
+        </script>
+    ''' % {
+            'url': reverse('documents-expensive-is_zoomable', args=[document.pk, version, page]),
+            'pk': document.pk,
+            'page': page if page else 1,
+            'plain_template': mark_safe(u''.join(plain_template)),
+            'error_image': u''.join([settings.STATIC_URL, get_error_icon_url()]),
+        }
+    )
+
+    return mark_safe(u''.join(result))