Misc: admin media, pdf search path

Admin preview view now includes javascript tags provided by media,
There are dependencies added for backbone and underscore in that
specific admin page.

admin.py

@@ -15,6 +15,9 @@ class PageAdmin(admin.ModelAdmin):
     list_display = ['document', 'name', 'image', 'page_num']
     order_by = ['document', 'page_num']
 
+    class Media:
+        js = ("lib/underscore.js", "lib/backbone.js",)
+
     def get_urls(self):
         urls = super(PageAdmin, self).get_urls()
         my_urls = patterns('',
@@ -25,6 +28,7 @@ class PageAdmin(admin.ModelAdmin):
     def preview(self, request, pk):
         context = {}
         context['page'] = models.Page.objects.get(pk=pk)
+        context['media'] = self.media
 
         return TemplateResponse(request,
                                 'admin/pdfformfiller/page/preview.html',

controller.py

@@ -5,13 +5,24 @@ import pdb
 
 class PopplerController(object):
     def __init__(self, pdf=""):
-        self.doc = poppler.document_new_from_file('file:///home/mark/Bedraga.pdf', password=None)
+        doc_path = self._get_pdf_path(pdf)
+        self.doc = self._load_poppler_doc(doc_path)
 
-    def load_poppler_doc(self, filename):
+
+    def _get_pdf_path(self, pdf):
+        import os
         from django.conf import settings
 
-        pdf_path = os.path.abspath(os.path.join(settings.STATIC_FORMS_ROOT, filename))
+        search = [
-        if os.path.isfile(pdf_path):
+            os.path.abspath(pdf),
+            os.path.abspath(os.path.join(settings.STATIC_FORMS_ROOT, pdf)),
+        ]
+
+        for path in search:
+            if os.path.isfile(path):
+                return path
+
+    def _load_poppler_doc(self, pdf_path):
             return poppler.document_new_from_file('file://' + pdf_path, password=None)
 
 
@@ -32,6 +43,10 @@ class PopplerController(object):
             if clear_page:
                 self.clear_page(page)
 
+            context.set_source_rgb(1.0, 1.0, 1.0)
+            context.rectangle(0.0, 0.0, width*2, height*2)
+            context.fill()
+
             page.render(context)
             fd = StringIO.StringIO()
             surface.write_to_png(fd)
@@ -63,7 +78,7 @@ class PopplerController(object):
                 value = data.button_get_state()
 
             yield {
-                'name': data.get_name(),
+                'name': data.get_name() or data.get_mapping_name() or data.get_partial_name(),
                 'value': value,
                 'type': field_type.value_nick,
                 'area': {
@@ -74,6 +89,7 @@ class PopplerController(object):
                 }
             }
 
+
 class PDFFormFillerPostSave(PopplerController):
     def __init__(self, document):
         pass

models.py

@@ -75,7 +75,7 @@ class Page(models.Model):
                 field = FormField(page=self,
                                   name=fdata['name'])
 
-            field.fieldtype = fdata['type']
+            field.fieldtype = fdata['type'][0]
             area = fdata['area']
             field.pos_x = area['pos_x']
             field.pos_y = area['pos_y']

templates/admin/pdfformfiller/page/preview.html

@@ -1,7 +1,14 @@
 {% extends "admin/base_site.html" %}
+{% load i18n admin_static admin_modify %}
+{% load admin_urls %}
+
+{% block extrahead %}{{ block.super }}
+{{ media }} media
+{% endblock %}
 {% block content %}
+
 <div id="content-main">
 
-	<img src="{{ page.image.url }}"/>
+	<img src="{{ page.image.url }}" style="max-width:100%"/>
 </div>
 {% endblock %}