79 lines
3.0 KiB
Python
79 lines
3.0 KiB
Python
from django.utils.safestring import mark_safe
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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.http import urlencode
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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 converter.exceptions import UnknownFileFormat, UnkownConvertError
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from mimetype.api import get_error_icon_url
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from documents.conf.settings import DISPLAY_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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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'):
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result = []
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alt_text = _(u'document page image')
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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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}
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if gallery_name:
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gallery_template = u'rel="%s"' % gallery_name
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else:
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gallery_template = u''
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query_string = urlencode(query_dict)
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preview_view = u'%s?%s' % (reverse(view, args=[document.pk]), query_string)
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plain_template = []
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plain_template.append(u'<img src="%s" alt="%s" />' % (preview_view, alt_text))
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result.append(u'<div class="tc" id="document-%d-%d">' % (document.pk, page if page else 1))
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if click_view:
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result.append(u'<a %s class="%s" href="%s">' % (gallery_template, fancybox_class, u'%s?%s' % (reverse(click_view, args=[document.pk]), query_string)))
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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))
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result.append(u'<noscript><img style="border: 1px solid black;" src="%s" alt="%s" /></noscript>' % (preview_view, alt_text))
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if click_view:
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result.append(u'</a>')
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result.append(u'</div>')
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result.append(u'''
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<script type="text/javascript">
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$(document).ready(function() {
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$.get('%(url)s', function(data) {})
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.success(function(data) {
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if (!data.result) {
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$('#document-%(pk)d-%(page)d').html('%(plain_template)s');
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}
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})
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.error(function(data) {
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$('#document-%(pk)d-%(page)d').html('<img src="%(error_image)s" />');
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});
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});
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</script>
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''' % {
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'url': reverse('documents-expensive-is_zoomable', args=[document.pk, page]),
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'pk': document.pk,
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'page': page if page else 1,
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'plain_template': mark_safe(u''.join(plain_template)),
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'error_image': u''.join([settings.STATIC_URL, get_error_icon_url()]),
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}
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)
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return mark_safe(u''.join(result))
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