from unfold.prelude import Prelude
-from myslice.config import Config
+from myslice.configengine import ConfigEngine
# decorator to deflect calls on this Page to its prelude
def to_prelude (method):
# queue of queries with maybe a domid, see enqueue_query
self._queue=[]
# global prelude object
- self.prelude=Prelude(css_files='css/plugin.css')
+ # global requirements should go in base.html
+ self.prelude=Prelude()
# record known plugins hashed on their domid
def record_plugin (self, plugin):
# self._queue = []
# this method adds a query to the page
- # the query will be exposed to js when calling expose_queries
+ # the query will be exposed to js when calling __expose_queries, which is done by prelude_env()
# additionally if run_it is set to True, this query will be asynchroneously triggered on page load
# in this case (exec=True) the js async callback (see manifold.asynchroneous_success)
# offers the option to deliver the result to a specific DOM elt (in this case, set domid)
# otherwise (i.e. if domid not provided), it goes through the pubsub system (so all plugins can receive it)
- def enqueue_query (self, query, run_it=True, domid=None):
+ #
+ # NOTE:
+ # analyzed_query is required because it contains query_uuid that the
+ # plugins initialized in the python part will listen to. When a result is
+ # received in javascript, subresults should be publish to the appropriate
+ # query_uuid.
+ #
+ def enqueue_query (self, query, run_it=True, domid=None, analyzed_query=None):
# _queries is the set of all known queries
- self._queries = self._queries.union(set( [ query, ] ))
+ # XXX complex XXX self._queries = self._queries.union(set( [ query, ] ))
+ self._queries.add((query, analyzed_query))
# _queue is the list of queries that need to be triggered, with an optional domid
# we only do this if run_it is set
if run_it: self._queue.append ( (query.query_uuid,domid) )
+ def generate_records(self, query, generators, number=10):
+ self.add_js_files('js/record_generator.js');
+ js_chunk = '$(document).ready(function() { new RecordGenerator(%s,%s,%s).run(); });'%(query.to_json(),json.dumps(generators),number);
+ self.add_js_chunks(js_chunk)
+
# return the javascript code for exposing queries
# all queries are inserted in the global manifold object
# in addition, the ones enqueued with 'run_it=True' are triggered
- def expose_queries (self):
+ def __expose_queries (self):
# compute variables to expose to the template
env = {}
# expose the json definition of all queries
- env['queries_json'] = [ query.to_json() for query in self._queries ]
+ env['queries_json'] = [ query.to_json(analyzed_query=aq) for (query, aq) in self._queries ]
def query_publish_dom_tuple (a,b):
result={'query_uuid':a}
if b: result['domid']=b
return result
- env['query_publish_dom_tuples'] = [ query_publish_dom_tuple (a,b) for (a,b) in self._queue ]
+ env['query_exec_tuples'] = [ query_publish_dom_tuple (a,b) for (a,b) in self._queue ]
javascript = render_to_string ("page-queries.js",env)
self.add_js_chunks (javascript)
# self.reset_queue()
def get_metadata (self):
# look in session's cache - we don't want to retrieve this for every request
session=self.request.session
+
if 'manifold' not in session:
- print "Page.expose_js_metadata: no 'manifold' in session... - cannot retrieve metadata - skipping"
- return
- manifold=session['manifold']
+ session['manifold'] = {}
+ manifold = session['manifold']
+
# if cached, use it
if 'metadata' in manifold and isinstance(manifold['metadata'],MetaData):
if debug: print "Page.get_metadata: return cached value"
return manifold['metadata']
- # otherwise retrieve it
- manifold_api_session_auth = session['manifold']['auth']
- metadata=MetaData (manifold_api_session_auth)
- metadata.fetch()
- # store it for next time
+
+ metadata_auth = {'AuthMethod':'anonymous'}
+
+ metadata=MetaData (metadata_auth)
+ metadata.fetch(self.request)
+ # store it for next time
manifold['metadata']=metadata
if debug: print "Page.get_metadata: return new value"
return metadata
def expose_js_metadata (self):
- # export in this js global...
- self.add_js_chunks("var MANIFOLD_METADATA =" + self.get_metadata().to_json() + ";")
+ # expose global MANIFOLD_METADATA as a js variable
+ # xxx this is fetched synchroneously..
+ self.add_js_init_chunks("var MANIFOLD_METADATA =" + self.get_metadata().to_json() + ";\n")
def expose_js_manifold_config (self):
- self.add_js_chunks(Config.manifold_js_export())
+ self.add_js_init_chunks(ConfigEngine().manifold_js_export())
#################### requirements/prelude management
# just forward to self.prelude - see decorator above
@to_prelude
def add_css_files (self):pass
@to_prelude
+ def add_js_init_chunks (self):pass
+ @to_prelude
def add_js_chunks (self):pass
@to_prelude
def add_css_chunks (self):pass
- @to_prelude
- def prelude_env (self):pass
+
+ # prelude_env also does expose_queries
+ def prelude_env (self):
+ self.__expose_queries()
+ from_prelude=self.prelude.prelude_env()
+ return from_prelude
git://git.onelab.eu / myslice.git / blobdiff