68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
import json
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import logging
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from lxml import etree
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## TODO: Abstract out from Django
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from django.conf import settings
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from mitxmako.shortcuts import render_to_response, render_to_string
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from x_module import XModule
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log = logging.getLogger("mitx.courseware.modules")
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class VideoModule(XModule):
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#id_attribute = 'youtube'
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video_time = 0
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def handle_ajax(self, dispatch, get):
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log.debug(u"GET {0}".format(get))
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log.debug(u"DISPATCH {0}".format(dispatch))
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if dispatch == 'goto_position':
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self.position = int(float(get['position']))
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log.debug(u"NEW POSITION {0}".format(self.position))
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return json.dumps({'success':True})
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raise Http404()
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def get_state(self):
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log.debug(u"STATE POSITION {0}".format(self.position))
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return json.dumps({ 'position':self.position })
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def get_xml_tags():
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'''Tags in the courseware file guaranteed to correspond to the module'''
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return "video"
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def video_list(self):
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l = self.youtube.split(',')
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l = [i.split(":") for i in l]
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return json.dumps(dict(l))
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def get_html(self):
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return render_to_string('video.html',{'streams':self.video_list(),
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'id':self.item_id,
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'position':self.position})
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def get_init_js(self):
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'''JavaScript code to be run when problem is shown. Be aware
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that this may happen several times on the same page
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(e.g. student switching tabs). Common functions should be put
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in the main course .js files for now. '''
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log.debug(u"INIT POSITION {0}".format(self.position))
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return render_to_string('video_init.js',{'streams':self.video_list(),
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'id':self.item_id,
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'position':self.position})
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def get_destroy_js(self):
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return "videoDestroy(\"{0}\");".format(self.item_id)
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def __init__(self, xml, item_id, ajax_url=None, track_url=None, state=None, track_function=None, render_function = None):
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XModule.__init__(self, xml, item_id, ajax_url, track_url, state, track_function, render_function)
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self.youtube = etree.XML(xml).get('youtube')
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self.position = 0
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if state != None:
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state = json.loads(state)
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if 'position' in state:
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self.position = int(float(state['position']))
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log.debug("POSITION IN STATE")
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log.debug(u"LOAD POSITION {0}".format(self.position))
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