Files
mayan-edms/apps/documents/widgets.py
2011-11-22 05:51:30 -04:00

116 lines
4.5 KiB
Python

from django.utils.safestring import mark_safe
from django.conf import settings
from django.utils.translation import ugettext_lazy as _
from django.core.urlresolvers import reverse
from django.utils.http import urlencode
from converter.exceptions import UnknownFileFormat, UnkownConvertError
def document_thumbnail(document):
return document_html_widget(document, click_view='document_preview')
def document_link(document):
return mark_safe(u'<a href="%s">%s</a>' % (reverse('document_view_simple', args=[document.pk]), document))
def document_html_widget(document, size='document_thumbnail', click_view=None, page=None, zoom=None, rotation=None, gallery_name=None, fancybox_class='fancybox'):
result = []
alt_text = _(u'document page image')
query_dict = {}
if page:
query_dict['page'] = page
if zoom:
query_dict['zoom'] = zoom
if rotation:
query_dict['rotation'] = rotation
if gallery_name:
gallery_template = u'rel="%s"' % gallery_name
else:
gallery_template = u''
query_string = urlencode(query_dict)
preview_view = u'%s?%s' % (reverse(size, args=[document.pk]), query_string)
print 'preview_view', preview_view
zoomable_template = []
if click_view:
zoomable_template.append(u'<a %s class="%s" href="%s">' % (gallery_template, fancybox_class, u'%s?%s' % (reverse(click_view, args=[document.pk]), query_string)))
zoomable_template.append(u'<img style="border: 1px solid black;" class="lazy-load" data-href="%s" src="%s/images/ajax-loader.gif" alt="%s" />' % (preview_view, settings.STATIC_URL, alt_text))
zoomable_template.append(u'<noscript><img style="border: 1px solid black;" src="%s" alt="%s" /></noscript>' % (preview_view, alt_text))
if click_view:
zoomable_template.append(u'</a>')
"""
plain_template = []
plain_template.append(u'<img class="lazy-load" data-href="%s" src="%simages/ajax-loader.gif" alt="%s" />' % (preview_view, settings.STATIC_URL, alt_text))
plain_template.append(u'<noscript><img src="%s" alt="%s" /></noscript>' % (preview_view, alt_text))
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('%(zoomable_template)s');
} else {
$('#document-%(pk)d-%(page)d').html('%(plain_template)s');
}
//$('.fancybox-noscaling').live('click', function(e) {alert("CLICK");});
})
.error(function(data) { alert("error"); })
;
});
</script>
''' % {
u'url': reverse('documents-expensive-is_zoomable', args=[document.pk]),
u'pk': document.pk,
u'page': page if page else 1,
u'zoomable_template': mark_safe(u''.join(zoomable_template)),
u'plain_template': mark_safe(u''.join(plain_template)),
}
)
result.append(u'<div class="tc" id="document-%d-%d">' % (document.pk, page if page else 1))
result.append(u'<a href="%s">' % (u'%s?%s' % (reverse(click_view, args=[document.pk]), query_string)))
result.append(u'<img src="%s/images/ajax-loader.gif" alt="%s" />' % (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>')
result.append(u'</div>')
"""
#Fancybox w/ jQuery live
"""
jQuery("a.fancybox-noscaling").live('click', function(){
jQuery.fancybox({
'autoDimensions' : false,
'width' : 'auto',
'height' : 'auto',
'href' : $(this).attr('href'),
'titleShow' : false,
'transitionIn' : 'elastic',
'transitionOut' : 'elastic',
'easingIn' : 'easeOutBack',
'easingOut' : 'easeInBack',
'type' : 'image',
'autoScale' : false
});
return false;
});
"""
result.append(u'<div class="tc" id="document-%d-%d">' % (document.pk, page if page else 1))
result.extend(zoomable_template)
result.append(u'</div>')
return mark_safe(u''.join(result))