Added document printing support

apps/common/conf/settings.py

@@ -1,8 +1,14 @@
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 
+from common.literals import PAGE_SIZE_LETTER, PAGE_ORIENTATION_PORTRAIT
+
 TEMPORARY_DIRECTORY = getattr(settings, 'COMMON_TEMPORARY_DIRECTORY', u'/tmp')
 
 setting_description = {
     'COMMON_TEMPORARY_DIRECTORY': _(u'Temporary directory used site wide to store thumbnails, previews and temporary files.  If none is specified, one will be created using tempfile.mkdtemp()')
 }
+
+# Printing
+DEFAULT_PAPER_SIZE = getattr(settings, 'COMMON_DEFAULT_PAPER_SIZE', PAGE_SIZE_LETTER)
+DEFAULT_PAGE_ORIENTATION = getattr(settings, 'COMMON_DEFAULT_PAGE_ORIENTATION', PAGE_ORIENTATION_PORTRAIT)

apps/common/literals.py

@@ -0,0 +1,40 @@
+from django.utils.translation import ugettext_lazy as _
+
+PAGE_SIZE_A5 = u'a5'
+PAGE_SIZE_A4 = u'a4'
+PAGE_SIZE_A3 = u'a3'
+PAGE_SIZE_B5 = u'b5'
+PAGE_SIZE_B4 = u'b4'
+PAGE_SIZE_LETTER = u'letter'
+PAGE_SIZE_LEGAL = u'legal'
+PAGE_SIZE_LEDGER = u'ledger'
+
+PAGE_SIZE_DIMENSIONS = (
+    (PAGE_SIZE_A5, (u'148mm', u'210mm')),
+    (PAGE_SIZE_A4, (u'210mm', u'297mm')),
+    (PAGE_SIZE_A3, (u'297mm', u'420mm')),
+    (PAGE_SIZE_B5, (u'176mm', u'250mm')),
+    (PAGE_SIZE_B4, (u'250mm', u'353mm')),
+    (PAGE_SIZE_LETTER, (u'8.5in', u'11in')),
+    (PAGE_SIZE_LEGAL, (u'8.5in', u'14in')),
+    (PAGE_SIZE_LEDGER, (u'11in', u'17in'))
+)
+
+PAGE_SIZE_CHOICES = (
+    (PAGE_SIZE_A5, _(u'A5')),
+    (PAGE_SIZE_A4, _(u'A4')),
+    (PAGE_SIZE_A3, _(u'A3')),
+    (PAGE_SIZE_B5, _(u'B5')),
+    (PAGE_SIZE_B4, _(u'B4')),
+    (PAGE_SIZE_LETTER, _(u'Letter')),
+    (PAGE_SIZE_LEGAL, _(u'Legal')),
+    (PAGE_SIZE_LEDGER, _(u'Ledger'))
+)
+
+PAGE_ORIENTATION_PORTRAIT = u'portrait'
+PAGE_ORIENTATION_LANDSCAPE = u'landscape'
+
+PAGE_ORIENTATION_CHOICES = (
+    (PAGE_ORIENTATION_PORTRAIT, _(u'Portrait')),
+    (PAGE_ORIENTATION_LANDSCAPE, _(u'Landscape')),
+)

apps/common/utils.py

@@ -302,3 +302,12 @@ def return_type(value):
         return ','.join(list(value))
     else:
         return value
+        
+
+# http://stackoverflow.com/questions/4248399/page-range-for-printing-algorithm
+def parse_range(astr):
+    result=set()
+    for part in astr.split(u','):
+        x=part.split(u'-')
+        result.update(range(int(x[0]),int(x[-1])+1))
+    return sorted(result)