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only refresh the projector, if the content has changed

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This commit is contained in:
Oskar Hahn 2012-07-04 15:00:08 +02:00
parent 7f2d10c9ca
commit 67426f239b
2 changed files with 10 additions and 2 deletions
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10
openslides/projector/static/javascript/projector.js
View File

@ -5,16 +5,22 @@
* :license: GNU GPL, see LICENSE for more details. * :license: GNU GPL, see LICENSE for more details.
*/ */
content_hash = null;
function presentation_reload() { function presentation_reload() {
if ($('#config > #ajax').html() == 'on') { if ($('#config > #ajax').html() == 'on') {
$.ajax({ $.ajax({
type: 'GET', type: 'GET',
url: '/projector/', url: '/projector/',
dataType: 'json', dataType: 'json',
data: '',
success: function(data) { success: function(data) {
$('#currentTime').removeClass('ajax_error'); $('#currentTime').removeClass('ajax_error');
$('#content').html(data.content); var new_content_hash = data['content_hash'];
if (new_content_hash != content_hash) {
$('#content').html(data.content);
content_hash = new_content_hash;
}
$('#scrollcontent').html(data.scrollcontent); $('#scrollcontent').html(data.scrollcontent);
document.title = data.title; document.title = data.title;
$('#currentTime').html(data.time); $('#currentTime').html(data.time);

2
openslides/projector/views.py
View File

@ -231,6 +231,7 @@ class Projector(TemplateView, AjaxMixin):
scrollcontent = render_block_to_string(self.get_template_names()[0], 'scrollcontent', self.data) scrollcontent = render_block_to_string(self.get_template_names()[0], 'scrollcontent', self.data)
context = super(Projector, self).get_ajax_context(**kwargs) context = super(Projector, self).get_ajax_context(**kwargs)
content_hash = hash(content)
context.update({ context.update({
'content': content, 'content': content,
'scrollcontent': scrollcontent, 'scrollcontent': scrollcontent,
@ -239,6 +240,7 @@ class Projector(TemplateView, AjaxMixin):
'title': self.data['title'], 'title': self.data['title'],
'bigger': config['bigger'], 'bigger': config['bigger'],
'up': config['up'], 'up': config['up'],
'content_hash': content_hash,
}) })
return context return context