Manual merge of the new document preview code from the unstable branch
This commit is contained in:
Roberto Rosario
@@ -16,6 +16,7 @@ from navigation.api import (register_links, register_top_menu,
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from project_setup.api import register_setup
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from .conf import settings as document_settings
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from .conf.settings import THUMBNAIL_SIZE
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from .events import (HISTORY_DOCUMENT_CREATED,
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HISTORY_DOCUMENT_EDITED, HISTORY_DOCUMENT_DELETED)
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from .links import (document_list, document_list_recent,
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@@ -92,11 +93,10 @@ register_diagnostic('documents', _(u'Documents'), document_missing_list)
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register_maintenance_links([document_find_all_duplicates, document_update_page_count, document_clear_image_cache], namespace='documents', title=_(u'documents'))
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register_model_list_columns(Document, [
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{
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'name': _(u'thumbnail'), 'attribute':
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encapsulate(lambda x: document_thumbnail(x))
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},
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])
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{'name': _(u'thumbnail'), 'attribute':
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encapsulate(lambda x: document_thumbnail(x, gallery_name='document_list', title=x.filename, size=THUMBNAIL_SIZE))
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},
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])
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register_top_menu(
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'documents',
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71
mayan/apps/documents/api.py
Normal file
71
mayan/apps/documents/api.py
Normal file
@@ -0,0 +1,71 @@
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from __future__ import absolute_import
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import logging
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from django.core.exceptions import PermissionDenied
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from django.shortcuts import get_object_or_404
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from rest_framework import generics
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from rest_framework.generics import RetrieveAPIView
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from rest_framework.response import Response
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from acls.models import AccessEntry
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from converter.exceptions import UnknownFileFormat, UnkownConvertError
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from converter.literals import (DEFAULT_ZOOM_LEVEL, DEFAULT_ROTATION,
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DEFAULT_PAGE_NUMBER)
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from permissions.models import Permission
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from .conf.settings import DISPLAY_SIZE, ZOOM_MAX_LEVEL, ZOOM_MIN_LEVEL
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from .models import Document
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from .permissions import PERMISSION_DOCUMENT_VIEW
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from .resources import DocumentResourceSimple
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logger = logging.getLogger(__name__)
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# API Views
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class APIReadOnlyInstanceModelView(RetrieveAPIView):
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allowed_methods = ['GET']
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serializer_class = DocumentResourceSimple
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queryset = Document.objects.all()
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class APIDocumentImageView(generics.GenericAPIView):
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def get(self, request, pk):
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document = get_object_or_404(Document, pk=pk)
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logger.debug('document: %s' % document)
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try:
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Permission.objects.check_permissions(request.user, [PERMISSION_DOCUMENT_VIEW])
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except PermissionDenied:
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AccessEntry.objects.check_access(PERMISSION_DOCUMENT_VIEW, request.user, document)
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size = request.GET.get('size', DISPLAY_SIZE)
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page = int(request.GET.get('page', DEFAULT_PAGE_NUMBER))
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zoom = int(request.GET.get('zoom', DEFAULT_ZOOM_LEVEL))
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version = int(request.GET.get('version', document.latest_version.pk))
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if request.GET.get('as_base64', False):
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base64_version = True
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if zoom < ZOOM_MIN_LEVEL:
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zoom = ZOOM_MIN_LEVEL
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if zoom > ZOOM_MAX_LEVEL:
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zoom = ZOOM_MAX_LEVEL
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rotation = int(request.GET.get('rotation', DEFAULT_ROTATION)) % 360
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try:
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return Response({'status': 'success',
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'data': document.get_image(size=size, page=page, zoom=zoom, rotation=rotation, as_base64=True, version=version)
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})
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except UnknownFileFormat as exception:
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return Response({'status': 'error', 'detail': 'unknown_file_format', 'message': unicode(exception)})
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except UnkownConvertError as exception:
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return Response({'status': 'error', 'detail': 'converter_error', 'message': unicode(exception)})
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@@ -1,7 +1,6 @@
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from __future__ import absolute_import
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from django import forms
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from django.core.urlresolvers import reverse
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from django.utils.encoding import force_unicode
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from django.utils.html import conditional_escape
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from django.utils.safestring import mark_safe
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@@ -16,7 +15,7 @@ from .models import (Document, DocumentType,
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DocumentVersion)
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from .literals import (RELEASE_LEVEL_FINAL, RELEASE_LEVEL_CHOICES,
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DEFAULT_ZIP_FILENAME)
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from .widgets import document_html_widget
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from .widgets import DocumentPageImageWidget, DocumentPagesCarouselWidget
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# Document page forms
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@@ -29,26 +28,11 @@ class DocumentPageTransformationForm(forms.ModelForm):
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self.fields['document_page'].widget = forms.HiddenInput()
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class DocumentPageImageWidget(forms.widgets.Widget):
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def render(self, name, value, attrs=None):
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final_attrs = self.build_attrs(attrs)
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zoom = final_attrs.get('zoom', 100)
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rotation = final_attrs.get('rotation', 0)
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if value:
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output = []
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output.append('<div class="full-height scrollable" style="overflow: auto;">')
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output.append(document_html_widget(value.document, view='document_display', page=value.page_number, zoom=zoom, rotation=rotation))
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output.append('</div>')
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return mark_safe(u''.join(output))
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else:
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return u''
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class DocumentPageForm(DetailForm):
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class Meta:
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model = DocumentPage
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exclude = ('document', 'document_type', 'page_label', 'content')
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#exclude = ('document', 'document_type', 'page_label', 'content')
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fields = ()
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def __init__(self, *args, **kwargs):
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zoom = kwargs.pop('zoom', 100)
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@@ -96,37 +80,6 @@ class DocumentPageForm_edit(forms.ModelForm):
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# Document forms
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class DocumentPagesCarouselWidget(forms.widgets.Widget):
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"""
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Display many small representations of a document pages
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"""
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def render(self, name, value, attrs=None):
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output = []
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output.append(u'<div style="white-space:nowrap; overflow: auto;">')
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for page in value.pages.all():
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output.append(u'<div style="display: inline-block; margin: 5px 10px 10px 10px;">')
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output.append(u'<div class="tc">%(page_string)s %(page)s</div>' % {'page_string': ugettext(u'Page'), 'page': page.page_number})
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output.append(
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document_html_widget(
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page.document,
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view='document_preview_multipage',
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click_view='document_display',
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page=page.page_number,
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gallery_name='document_pages',
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fancybox_class='fancybox-noscaling',
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)
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)
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output.append(u'<div class="tc">')
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output.append(u'<a class="fancybox-iframe" href="%s"><span class="famfam active famfam-page_white_go"></span>%s</a>' % (reverse('document_page_view', args=[page.pk]), ugettext(u'Details')))
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output.append(u'</div>')
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output.append(u'</div>')
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output.append(u'</div>')
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output.append(u'<br /><span class="famfam active famfam-magnifier"></span>%s' % ugettext(u'Click on the image for full size preview'))
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return mark_safe(u''.join(output))
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class DocumentPreviewForm(forms.Form):
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@@ -146,7 +99,8 @@ class DocumentForm(forms.ModelForm):
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"""
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class Meta:
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model = Document
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exclude = ('description', 'tags', 'document_type')
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#exclude = ('description', 'tags', 'document_type')
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exclude = ('tags', 'document_type')
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def __init__(self, *args, **kwargs):
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document_type = kwargs.pop('document_type', None)
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@@ -126,6 +126,9 @@ class Document(models.Model):
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if not version:
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version = self.latest_version.pk
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image_cache_name = self.get_image_cache_name(page=page, version=version)
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logger.debug('image_cache_name: %s' % image_cache_name)
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return convert(image_cache_name, cleanup_files=False, size=size, zoom=zoom, rotation=rotation)
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def get_image(self, size=DISPLAY_SIZE, page=DEFAULT_PAGE_NUMBER, zoom=DEFAULT_ZOOM_LEVEL, rotation=DEFAULT_ROTATION, as_base64=False, version=None):
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@@ -137,20 +140,12 @@ class Document(models.Model):
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rotation = rotation % 360
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try:
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file_path = self.get_valid_image(size=size, page=page, zoom=zoom, rotation=rotation, version=version)
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except UnknownFileFormat:
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file_path = get_icon_file_path(self.file_mimetype)
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except UnkownConvertError:
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file_path = get_error_icon_file_path()
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except:
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file_path = get_error_icon_file_path()
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file_path = self.get_valid_image(size=size, page=page, zoom=zoom, rotation=rotation, version=version)
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logger.debug('file_path: %s' % file_path)
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if as_base64:
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image = open(file_path, 'r')
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out = StringIO()
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base64.encode(image, out)
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return u'data:%s;base64,%s' % (get_mimetype(open(file_path, 'r'), file_path, mimetype_only=True)[0], out.getvalue().replace('\n', ''))
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return u'data:%s;base64,%s' % (get_mimetype(open(file_path, 'r'), file_path, mimetype_only=True)[0], base64.b64encode(image.read()))
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else:
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return file_path
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@@ -1,6 +1,9 @@
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from __future__ import absolute_import
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from django.conf.urls import url
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from .cleanup import cleanup
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from .api import APIReadOnlyInstanceModelView, APIDocumentImageView
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bootstrap_models = [
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{
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@@ -12,3 +15,8 @@ bootstrap_models = [
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}
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]
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cleanup_functions = [cleanup]
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version_0_api_services = [
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{'urlpattern': url(r'^document/(?P<pk>[0-9]+)/$', APIReadOnlyInstanceModelView.as_view(), name='document-detail'), 'description': 'Show document data', 'url': 'document/<document_id>'},
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{'urlpattern': url(r'^document/(?P<pk>[0-9]+)/image/$', APIDocumentImageView.as_view(), name='document-image'), 'description': 'Return a base64 image of the document', 'url': 'document/<document_id>/image/?page&zoom&rotate'},
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]
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45
mayan/apps/documents/resources.py
Normal file
45
mayan/apps/documents/resources.py
Normal file
@@ -0,0 +1,45 @@
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from __future__ import absolute_import
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from django.core.urlresolvers import reverse
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from rest_framework import serializers
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from .models import Document
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class DocumentResourceSimple(serializers.HyperlinkedModelSerializer):
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def versions(self, instance):
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return [
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{
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'version': version.get_formated_version(),
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'major': version.major,
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'minor': version.minor,
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'micro': version.micro,
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'release_level': version.release_level,
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'serial': version.serial,
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'timestamp': version.timestamp,
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'comment': version.comment,
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'mimetype': version.mimetype,
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'encoding': version.encoding,
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'filename': version.filename,
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'checksum': version.checksum,
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'download': reverse('document_version_download', args=[version.pk]),
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'stored_filename': version.file.name,
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# TODO: Add transformations
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'pages': [
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{
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'content': page.content,
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'page_label': page.page_label,
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'page_number': page.page_number,
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}
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for page in version.pages.all()
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]
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}
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for version in instance.versions.all()
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]
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class Meta:
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model = Document
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#fields = ('url', 'pk', 'document_type', 'uuid', 'date_added', 'description', 'expensive_methods', 'versions')
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fields = ('url', 'document_type', 'uuid', 'date_added', 'description')#, 'versions')
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@@ -8,7 +8,7 @@ from django.conf import settings
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from django.contrib import messages
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from django.core.exceptions import PermissionDenied
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from django.core.urlresolvers import reverse
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from django.http import HttpResponseRedirect, HttpResponse
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from django.http import HttpResponseRedirect
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from django.shortcuts import render_to_response, get_object_or_404
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from django.template import RequestContext
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from django.utils.http import urlencode
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@@ -24,6 +24,7 @@ from common.utils import (pretty_size, parse_range, urlquote,
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return_diff, encapsulate)
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from common.widgets import two_state_template
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from common.conf.settings import DEFAULT_PAPER_SIZE
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from converter.exceptions import UnknownFileFormat, UnkownConvertError
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from converter.literals import (DEFAULT_ZOOM_LEVEL, DEFAULT_ROTATION,
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DEFAULT_PAGE_NUMBER, DEFAULT_FILE_FORMAT_MIMETYPE)
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from converter.office_converter import OfficeConverter
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@@ -33,7 +34,7 @@ from navigation.utils import resolve_to_name
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from permissions.models import Permission
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from .events import HISTORY_DOCUMENT_EDITED
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from .conf.settings import (PREVIEW_SIZE, STORAGE_BACKEND, ZOOM_PERCENT_STEP,
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from .conf.settings import (DISPLAY_SIZE, PREVIEW_SIZE, STORAGE_BACKEND, ZOOM_PERCENT_STEP,
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ZOOM_MAX_LEVEL, ZOOM_MIN_LEVEL, ROTATION_STEP, RECENT_COUNT)
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from .forms import (DocumentForm_edit, DocumentPropertiesForm,
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DocumentPreviewForm, DocumentPageForm,
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@@ -246,7 +247,7 @@ def document_edit(request, document_id):
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}, context_instance=RequestContext(request))
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def get_document_image(request, document_id, size=PREVIEW_SIZE, base64_version=False):
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def get_document_image(request, document_id, size=PREVIEW_SIZE):
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document = get_object_or_404(Document, pk=document_id)
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try:
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Permission.objects.check_permissions(request.user, [PERMISSION_DOCUMENT_VIEW])
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@@ -267,11 +268,7 @@ def get_document_image(request, document_id, size=PREVIEW_SIZE, base64_version=F
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rotation = int(request.GET.get('rotation', DEFAULT_ROTATION)) % 360
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if base64_version:
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return HttpResponse(u'<html><body><img src="%s" /></body></html>' % document.get_image(size=size, page=page, zoom=zoom, rotation=rotation, as_base64=True, version=version))
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else:
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# TODO: fix hardcoded MIMETYPE
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return sendfile.sendfile(request, document.get_image(size=size, page=page, zoom=zoom, rotation=rotation, version=version), mimetype=DEFAULT_FILE_FORMAT_MIMETYPE)
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return sendfile.sendfile(request, document.get_image(size=size, page=page, zoom=zoom, rotation=rotation, version=version), mimetype=DEFAULT_FILE_FORMAT_MIMETYPE)
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def document_download(request, document_id=None, document_id_list=None, document_version_pk=None):
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@@ -1,25 +1,78 @@
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from __future__ import absolute_import
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from django.utils.safestring import mark_safe
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from django import forms
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from django.conf import settings
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from django.utils.translation import ugettext_lazy as _
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from django.core.urlresolvers import reverse
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from django.utils.html import strip_tags
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from django.utils.http import urlencode
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from django.utils.safestring import mark_safe
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from django.utils.translation import ugettext
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from django.utils.translation import ugettext_lazy as _
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from converter.literals import (DEFAULT_ZOOM_LEVEL, DEFAULT_ROTATION,
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DEFAULT_PAGE_NUMBER)
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from mimetype.api import get_error_icon_url
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from .conf.settings import (THUMBNAIL_SIZE,
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DISPLAY_SIZE, MULTIPAGE_PREVIEW_SIZE)
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def document_thumbnail(document):
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return document_html_widget(document, click_view='document_preview')
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class DocumentPageImageWidget(forms.widgets.Widget):
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def render(self, name, value, attrs=None):
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final_attrs = self.build_attrs(attrs)
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zoom = final_attrs.get('zoom', 100)
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rotation = final_attrs.get('rotation', 0)
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if value:
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output = []
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output.append('<div class="full-height scrollable" style="overflow: auto;" >')
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output.append(document_html_widget(value.document, page=value.page_number, zoom=zoom, rotation=rotation, image_class='lazy-load-interactive', nolazyload=False, size=DISPLAY_SIZE))
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output.append('</div>')
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return mark_safe(u''.join(output))
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else:
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return u''
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class DocumentPagesCarouselWidget(forms.widgets.Widget):
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"""
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Display many small representations of a document pages
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"""
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def render(self, name, value, attrs=None):
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output = []
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output.append(u'<div class="carousel-container" style="white-space:nowrap; overflow: auto;">')
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for page in value.pages.all():
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output.append(u'<div style="display: inline-block; margin: 5px 10px 10px 10px;">')
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output.append(u'<div class="tc">%(page_string)s %(page)s</div>' % {'page_string': ugettext(u'Page'), 'page': page.page_number})
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output.append(
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document_html_widget(
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page.document,
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click_view='document_display',
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page=page.page_number,
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gallery_name='document_pages',
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fancybox_class='fancybox-noscaling',
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image_class='lazy-load-carousel',
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title=ugettext(u'Page %(page_num)d of %(total_pages)d') % {'page_num': page.page_number, 'total_pages': len(value.pages.all())},
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size=MULTIPAGE_PREVIEW_SIZE,
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)
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)
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output.append(u'<div class="tc">')
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output.append(u'<a class="fancybox-iframe" href="%s">%s%s</a>' % (reverse('document_page_view', args=[page.pk]), '<span class="famfam active famfam-page_white_go"></span>', ugettext(u'Details')))
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output.append(u'</div></div>')
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output.append(u'</div><br />%s%s' % ('<span class="famfam active famfam-page_white_magnify"></span>', ugettext(u'Click on the image for full size preview')))
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return mark_safe(u''.join(output))
|
||||
|
||||
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def document_thumbnail(document, **kwargs):
|
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return document_html_widget(document, click_view='document_preview', **kwargs)
|
||||
|
||||
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def document_link(document):
|
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return mark_safe(u'<a href="%s">%s</a>' % (reverse('document_view_simple', args=[document.pk]), document))
|
||||
|
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|
||||
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):
|
||||
def document_html_widget(document, click_view=None, page=DEFAULT_PAGE_NUMBER, zoom=DEFAULT_ZOOM_LEVEL, rotation=DEFAULT_ROTATION, gallery_name=None, fancybox_class='fancybox', version=None, image_class='lazy-load', title=None, size=THUMBNAIL_SIZE, nolazyload=False):
|
||||
result = []
|
||||
|
||||
alt_text = _(u'document page image')
|
||||
@@ -32,6 +85,7 @@ def document_html_widget(document, view='document_thumbnail', click_view=None, p
|
||||
'zoom': zoom,
|
||||
'rotation': rotation,
|
||||
'version': version,
|
||||
'size': size,
|
||||
}
|
||||
|
||||
if gallery_name:
|
||||
@@ -40,43 +94,30 @@ def document_html_widget(document, view='document_thumbnail', click_view=None, p
|
||||
gallery_template = u''
|
||||
|
||||
query_string = urlencode(query_dict)
|
||||
preview_view = u'%s?%s' % (reverse(view, args=[document.pk]), query_string)
|
||||
|
||||
preview_view = u'%s?%s' % (reverse('document-image', 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 title:
|
||||
title_template = u'title="%s"' % strip_tags(title)
|
||||
else:
|
||||
title_template = u''
|
||||
|
||||
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))
|
||||
result.append(u'<a %s class="%s" href="%s" %s>' % (gallery_template, fancybox_class, u'%s?%s' % (reverse(click_view, args=[document.pk]), query_string), title_template))
|
||||
|
||||
if nolazyload:
|
||||
result.append(u'<img style="border: 1px solid black;" src="%s" alt="%s" />' % (preview_view, alt_text))
|
||||
else:
|
||||
result.append(u'<img class="thin_border %s" data-original="%s" src="%simages/ajax-loader.gif" alt="%s" />' % (image_class, 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))
|
||||
|
||||
Reference in New Issue
Block a user