129 lines
4.6 KiB
Python
129 lines
4.6 KiB
Python
from __future__ import unicode_literals
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from django import forms
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from django.conf import settings
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from django.contrib.staticfiles.templatetags.staticfiles import static
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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_PAGE_NUMBER, DEFAULT_ROTATION,
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DEFAULT_ZOOM_LEVEL)
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from .settings import DISPLAY_SIZE, THUMBNAIL_SIZE
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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 mayan-page-wrapper-interactive">')
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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(''.join(output))
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else:
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return ''
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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('<div id="carousel-container">')
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try:
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document_pages = value.pages.all()
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except AttributeError:
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document_pages = []
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# Reuse expensive values
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latest_version_pk = value.latest_version.pk
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for page in document_pages:
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output.append('<div class="carousel-item">')
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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='documents:document_page_view',
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click_view_arguments=[page.pk],
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page=page.page_number,
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fancybox_class='fancybox-iframe',
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image_class='lazy-load-carousel',
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size=DISPLAY_SIZE,
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version=latest_version_pk,
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post_load_class='lazy-load-carousel-loaded',
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)
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)
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output.append('<div class="carousel-item-page-number">%s</div>' % ugettext('Page %(page_number)d') % {'page_number': page.page_number})
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output.append('</div>')
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output.append('</div>')
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return mark_safe(''.join(output))
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def document_thumbnail(document, **kwargs):
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return document_html_widget(document, click_view='documents:document_display', **kwargs)
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def document_link(document):
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return mark_safe('<a href="%s">%s</a>' % (document.get_absolute_url(), document))
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def document_html_widget(document, click_view=None, click_view_arguments=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, post_load_class=None):
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result = []
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alt_text = _('Document page image')
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if not version:
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try:
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version = document.latest_version.pk
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except AttributeError:
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version = None
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query_dict = {
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'page': page,
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'zoom': zoom,
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'rotation': rotation,
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'version': version,
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'size': size,
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}
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if gallery_name:
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gallery_template = 'rel="%s"' % gallery_name
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else:
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gallery_template = ''
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query_string = urlencode(query_dict)
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preview_view = '%s?%s' % (reverse('document-image', args=[document.pk]), query_string)
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result.append('<div class="tc" id="document-%d-%d">' % (document.pk, page if page else 1))
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if title:
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title_template = 'title="%s"' % strip_tags(title)
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else:
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title_template = ''
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if click_view:
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result.append('<a %s class="%s" href="%s" %s>' % (gallery_template, fancybox_class, '%s?%s' % (reverse(click_view, args=click_view_arguments or [document.pk]), query_string), title_template))
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if nolazyload:
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result.append('<img class="img-nolazyload" src="%s" alt="%s" />' % (preview_view, alt_text))
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else:
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result.append('<img class="thin_border %s" data-src="%s" data-post-load-class="%s" src="%s" alt="%s" />' % (image_class, preview_view, post_load_class, static('main/icons/hourglass.png'), alt_text))
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if click_view:
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result.append('</a>')
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result.append('</div>')
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return mark_safe(''.join(result))
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