split engine/ into manifold/ (backend oriented) and unfold/ (the UI)

[unfold.git] / engine / page.py

diff --git a/engine/page.py b/engine/page.py
deleted file mode 100644 (file)
index 57e5226..0000000
--- a/engine/page.py
+++ /dev/null
@@ -1,114 +0,0 @@
-# the supervisor for Plugins
-# keeps a handle on all present plugins for managing their queries in a consistent way
-# it is expected to exist one such object for a given page
-
-import json
-
-from engine.prelude import Prelude
-from engine.manifoldapi import ManifoldAPI
-from myslice.config import Config
-
-# decorator to deflect calls on this Page to its prelude
-def to_prelude (method):
-    def actual (self, *args, **kwds):
-        prelude_method=Prelude.__dict__[method.__name__]
-        return prelude_method(self.prelude,*args, **kwds)
-    return actual
-
-class Page:
-
-    def __init__ (self, request):
-        self.request=request
-        # all plugins mentioned in this page
-        self._plugins = {}
-        # queue of queries
-        self._queue=[]
-        # global prelude object
-        self.prelude=Prelude(css_files='css/plugin.css')
-        # load metadata
-        self._metadata={}
-        # do not call this uncondionnally as we might not even have logged in
-        # self.expose_js_metadata()
-
-    # record known plugins hashed on their domid
-    def record_plugin (self, plugin):
-        self._plugins[plugin.domid]=plugin
-
-    def get_plugin (self, domid):
-        return self._plugins.get(domid,None)
-    
-    def reset_queue (self):
-        self._queue = []
-
-    # the js async methods (see manifold_async_success)
-    # offer the option to deliver the result to a specific DOM elt
-    # otherwise (i.e. if domid not provided) 
-    # it goes through the pubsub using query's uuid
-    def enqueue_query (self, query, domid=None):
-        self._queue.append ( (query,domid,) )
-
-    # return the javascript that triggers all the queries
-    def exec_queue_asynchroneously (self):
-        js = ""
-        js += "var async_queries = new Array();\n"
-        for (query,domid) in self._queue:
-            qjson=query.to_json()
-            id="'%s'"%domid if domid else 'undefined'
-            js += "async_queries.push({'query':%(qjson)s, 'id':%(id)s});\n"%locals()
-        js += "onFunctionAvailable('manifold_async_exec', function() {manifold_async_exec(async_queries);}, this, true);"
-        self.reset_queue()
-        # run only once the document is ready
-        js = "$(document).ready(function(){%(js)s})"%locals()
-        self.add_js_chunks (js)
-
-
-    def expose_js_metadata(self):
-        request=self.request
-        # xxx this code should probably not be called unconditionnally at page creation time
-        # because we're not sure a user is logged in so we might have no session...
-        if 'manifold' not in request.session:
-            print "Page.expose_js_metadata: no 'manifold' in session... - skipping"
-            return
-        # use cached version if present
-        if 'metadata' in request.session.keys(): 
-            self._metadata = request.session['metadata']
-        else:
-            manifold_api_session_auth = request.session['manifold']['auth']
-            manifold_api = ManifoldAPI(auth=manifold_api_session_auth)
-        
-            fields = ['table', 'column.column',
-                  'column.description','column.header', 'column.title',
-                  'column.unit', 'column.info_type',
-                  'column.resource_type', 'column.value_type',
-                  'column.allowed_values', 'column.platforms.platform',
-                  'column.platforms.platform_url']
-
-            results = manifold_api.Get('metadata:table', [], [], fields)
-
-            for res in results:
-                 method = res['table']
-                 self._metadata[method] = res
-
-            request.session['metadata'] = self._metadata
-
-        javascript = "all_headers=" + json.dumps(self._metadata) + ";"
-        self.add_js_chunks(javascript)
-
-    def metadata_get_fields(self, method):
-        return self._metadata[method]['column'].sort()
-        
-    def expose_js_manifold_config (self):
-        self.add_js_chunks(Config.manifold_js_export())
-
-    #################### requirements/prelude management
-    # just forward to self.prelude - see decorator above
-    @to_prelude
-    def add_js_files (self):pass
-    @to_prelude
-    def add_css_files (self):pass
-    @to_prelude
-    def add_js_chunks (self):pass
-    @to_prelude
-    def add_css_chunks (self):pass
-    @to_prelude
-    def template_env (self):pass