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Added document printing support

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This commit is contained in:
Roberto Rosario
2011-05-06 00:46:33 -04:00
parent 0eca667fd4
commit c44a1f947c
14 changed files with 215 additions and 92 deletions
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apps/documents/views.py
+95 -34
View File
@@ -17,7 +17,7 @@ from django.core.files.uploadedfile import SimpleUploadedFile
from django.contrib.comments.models import Comment
import sendfile
from common.utils import pretty_size
from common.utils import pretty_size, parse_range, urlquote
from converter.api import convert_document, QUALITY_DEFAULT
from converter.exceptions import UnkownConvertError, UnknownFormat
from filetransfers.api import serve_file
@@ -28,8 +28,10 @@ from navigation.utils import resolve_to_name
from tags.utils import get_tags_subtemplate
from document_comments.utils import get_comments_subtemplate
from converter.api import DEFAULT_ZOOM_LEVEL, DEFAULT_ROTATION, \
DEFAULT_FILE_FORMAT
from converter.api import QUALITY_PRINT
DEFAULT_FILE_FORMAT, QUALITY_PRINT
from common.literals import PAGE_SIZE_DIMENSIONS, \
PAGE_ORIENTATION_PORTRAIT, PAGE_ORIENTATION_LANDSCAPE
from common.conf.settings import DEFAULT_PAPER_SIZE
from documents.conf.settings import DELETE_STAGING_FILE_AFTER_UPLOAD
from documents.conf.settings import USE_STAGING_DIRECTORY
@@ -57,7 +59,7 @@ from documents.forms import DocumentTypeSelectForm, DocumentCreateWizard, \
StagingDocumentForm, DocumentTypeMetadataType, DocumentPreviewForm, \
MetadataFormSet, DocumentPageForm, DocumentPageTransformationForm, \
DocumentContentForm, DocumentPageForm_edit, MetaDataGroupForm, \
DocumentPageForm_text
DocumentPageForm_text, PrintForm
from documents.metadata import save_metadata_list, \
decode_metadata_from_url, metadata_repr_as_list
@@ -66,8 +68,7 @@ from documents.models import Document, DocumentType, DocumentPage, \
from documents.staging import StagingFile
from documents import metadata_group_link
from documents.literals import PICTURE_ERROR_SMALL, PICTURE_ERROR_MEDIUM, \
PICTURE_UNKNOWN_SMALL, PICTURE_UNKNOWN_MEDIUM, PAGE_SIZE_DIMENSIONS, \
PAGE_SIZE_LETTER, PAGE_SIZE_LEGAL
PICTURE_UNKNOWN_SMALL, PICTURE_UNKNOWN_MEDIUM
def document_list(request, object_list=None, title=None):
@@ -297,7 +298,7 @@ def document_view(request, document_id):
if Comment.objects.for_model(document).count():
subtemplates_list.append(get_comments_subtemplate(document))
subtemplates_list.append(
{
'name': 'generic_list_subtemplate.html',
@@ -546,10 +547,10 @@ def calculate_converter_arguments(document, *args, **kwargs):
file_format = kwargs.pop('file_format', DEFAULT_FILE_FORMAT)
zoom = kwargs.pop('zoom', DEFAULT_ZOOM_LEVEL)
rotation = kwargs.pop('rotation', DEFAULT_ROTATION)
document_page = DocumentPage.objects.get(document=document, page_number=page)
transformation_string, warnings = document_page.get_transformation_string()
arguments = {
'size': size,
'file_format': file_format,
@@ -561,7 +562,7 @@ def calculate_converter_arguments(document, *args, **kwargs):
}
return arguments, warnings
def get_document_image(request, document_id, size=PREVIEW_SIZE, quality=QUALITY_DEFAULT):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
@@ -579,9 +580,9 @@ def get_document_image(request, document_id, size=PREVIEW_SIZE, quality=QUALITY_
zoom = ZOOM_MAX_LEVEL
rotation = int(request.GET.get('rotation', 0)) % 360
arguments, warnings = calculate_converter_arguments(document, size=size, file_format=DEFAULT_FILE_FORMAT, quality=quality, page=page, zoom=zoom, rotation=rotation)
if warnings and (request.user.is_staff or request.user.is_superuser):
for warning in warnings:
messages.warning(request, _(u'Page transformation error: %s') % warning)
@@ -872,11 +873,11 @@ def document_view_simple(request, document_id):
'object': document,
},
]
subtemplates_list = []
if document.tags.count():
subtemplates_list.append(get_tags_subtemplate(document))
if Comment.objects.for_model(document).count():
subtemplates_list.append(get_comments_subtemplate(document))
@@ -1154,36 +1155,96 @@ def metadatagroup_view(request, document_id, metadata_group_id):
}, context_instance=RequestContext(request))
def document_print(request, document_id, page_size=PAGE_SIZE_LEGAL):
def document_print(request, document_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
document = get_object_or_404(Document.objects.select_related(), pk=document_id)
document = get_object_or_404(Document, pk=document_id)
RecentDocument.objects.add_document_for_user(request.user, document)
#page = int(request.GET.get('page', 1))
#zoom = int(request.GET.get('zoom', 100))
#if zoom < ZOOM_MIN_LEVEL:
# zoom = ZOOM_MIN_LEVEL
#if zoom > ZOOM_MAX_LEVEL:
# zoom = ZOOM_MAX_LEVEL
#rotation = int(request.GET.get('rotation', 0)) % 360
post_redirect = None
next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', post_redirect or document.get_absolute_url())))
new_window_url = None
html_redirect = None
if request.method == 'POST':
form = PrintForm(request.POST)
if form.is_valid():
hard_copy_arguments = {}
# Get page range
if form.cleaned_data['page_range']:
hard_copy_arguments['page_range'] = form.cleaned_data['page_range']
# Compute page width and height
if form.cleaned_data['custom_page_width'] and form.cleaned_data['custom_page_height']:
page_width = form.cleaned_data['custom_page_width']
page_height = form.cleaned_data['custom_page_height']
elif form.cleaned_data['page_size']:
page_width, page_height = dict(PAGE_SIZE_DIMENSIONS)[form.cleaned_data['page_size']]
# Page orientation
if form.cleaned_data['page_orientation'] == PAGE_ORIENTATION_LANDSCAPE:
page_width, page_height = page_height, page_width
hard_copy_arguments['page_width'] = page_width
hard_copy_arguments['page_height'] = page_height
new_url = [reverse('document_hard_copy', args=[document_id])]
if hard_copy_arguments:
new_url.append(urlquote(hard_copy_arguments))
new_window_url = u'?'.join(new_url)
#html_redirect = next
#messages.success(request, _(u'Preparing document hardcopy.'))
else:
form = PrintForm()
return render_to_response('generic_form.html', {
'form': form,
'object': document,
'title': _(u'print: %s') % document,
'next': next,
'html_redirect': html_redirect if html_redirect else html_redirect,
'new_window_url': new_window_url if new_window_url else new_window_url
}, context_instance=RequestContext(request))
def document_hard_copy(request, document_id):
check_permissions(request.user, 'documents', [PERMISSION_DOCUMENT_VIEW])
document = get_object_or_404(Document, pk=document_id)
RecentDocument.objects.add_document_for_user(request.user, document)
arguments, warnings = calculate_converter_arguments(document, size=PRINT_SIZE, file_format=DEFAULT_FILE_FORMAT, quality=QUALITY_PRINT)
#, page=page, zoom=zoom, rotation=rotation)
#Pre-generate
output_file = convert_document(document, **arguments)
# Pre-generate
convert_document(document, **arguments)
# Extract dimension values ignoring any unit
page_width = request.GET.get('page_width', dict(PAGE_SIZE_DIMENSIONS)[DEFAULT_PAPER_SIZE][0])
page_height = request.GET.get('page_height', dict(PAGE_SIZE_DIMENSIONS)[DEFAULT_PAPER_SIZE][1])
width = float(page_width.split('i')[0].split('c')[0].split('m')[0])
height = float(page_height.split('i')[0].split('c')[0].split('m')[0])
page_range = request.GET.get('page_range', u'')
if page_range:
page_range = parse_range(page_range)
pages = document.documentpage_set.filter(page_number__in=page_range)
else:
pages = document.documentpage_set.all()
page_dimensions = dict(PAGE_SIZE_DIMENSIONS)[page_size]
width = float(page_dimensions[0].split('i')[0].split('c')[0].split('m')[0])
height = float(page_dimensions[1].split('i')[0].split('c')[0].split('m')[0])
return render_to_response('document_print.html', {
'object': document,
'page_size': page_dimensions,
'page_aspect': width / height,
'page_orientation': u'landscape' if width / height > 1 else u'portrait',
'page_orientation': PAGE_ORIENTATION_LANDSCAPE if width / height > 1 else PAGE_ORIENTATION_PORTRAIT,
'page_orientation_landscape': True if width / height > 1 else False,
'page_orientation_portrait': False if width / height > 1 else True,
'page_range': page_range,
'page_width': page_width,
'page_height': page_height,
'pages': pages,
}, context_instance=RequestContext(request))