renderjs-extension: update ipy-extension to match ERP5Kernel version

renderjs_ipyextension/README.md

-# TODO
+See top-level README.md
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renderjs_ipyextension/renderjs_ipyextension/renderjs_extension.py

 #
 # TODO
 #
-# prevent multiple class of init_renderjs - ie. check if loading_gadget there
-# find proper location for static files
+# * prevent multiple class of init_renderjs - ie. check if loading_gadget there
+# * find proper location for static files
 #
 #
 
 
-# For each gadget which is to be integrated into the jupyter page one
-# RJSGadget object is created. It is used to call call_declared_method
-# and destroy.
-class RJSGadget:
-
-    def __init__(self, gadgetId):
-        # The UID is used to identify the gadget and gets passed along
-        # to the events sent to the frontend so that the loading_gadget
-        # is able to decide to which gadget the fired event belongs
-
-        # Python call on object with (uid) ->
-        # -> Fire event (uid) ->
-        # -> loading_gadget (uid) ->
-        # -> pass on the call to gadget with (uid)
-        self.gadgetId = gadgetId
-
-    def __del__(self):
-        pass
-
-    # Fires an event with
-    #    * the uid of the gadget
-    #    * the name of the declared_method
-    #    * the arguments to be passed to the declared_method
-    # The arguments are packed into a json string and passed to js as such
-    def call_declared_method(self, method_name, *args):
-        from IPython.core.display import display, HTML
-        import json
-        j_str = json.dumps(args)
-        script = '''
-        <script>
-        var call_event = new CustomEvent("call_gadget",
-        { "detail": {
-        "gadgetId": "''' + self.gadgetId + '''",
-        "methodName": "''' + method_name + '''",
-        "methodArgs": ''' + "'" + j_str + "'" + '''
-        }});
-        var loadingDiv = document.querySelector(".loading_gadget");
-        if(loadingDiv != null) {
-          loadingDiv.dispatchEvent(call_event);
-        } else {
-          console.log("~~ call: RenderJS init required first!");
-        }
-        </script>
-        '''
-        display(HTML(script))
-
-    # Fires an event to the destroy this gadget (self)
-    # Only thing passed is the uid of the gadget
-    def destroy(self):
-        from IPython.core.display import display, HTML
-        script = '''
-        <script>
-        var destroy_event = new CustomEvent("destroy_gadget",
-        { "detail": { "gadgetId": "''' + self.gadgetId + '''" }});
-        var loadingDiv = document.querySelector(".loading_gadget");
-        if(loadingDiv != null) {
-          loadingDiv.dispatchEvent(destroy_event);
-        } else {
-          console.log("~~ destroy: RenderJS init required first!");
-        }
-        </script>
-        '''
-        display(HTML(script))
-
-
-# Do nothing on load
-def load_ipython_extension(ipython):
-    pass
-
-# Do nothing on unload
-def unload_ipython_extension(ipython):
-    pass
-
-
-
 # Create the original load_gadget with modified rsvp, renderjs
 # Because jupyter notebook has already loaded when this can be called
-# a manual intialization of the whole renderJS setup is required
+# a manual initialization of the whole renderJS setup is required
 #
 # First the libs rsvp, renderjs-gadget-global and renderjs (patched)
 # are injected into the page. The patch on renderjs itself is to enable
@@ -96,7 +21,7 @@ def unload_ipython_extension(ipython):
 # After everything is inplace, rJS.manualBootstrap initializes the
 # loading_gadget in exactly the same way as when rJS is normally initialized
 # (on-load)
-def init_renderjs():
+def initRenderjs():
     from IPython.core.display import display, HTML
     script = '''
     <script>
@@ -123,17 +48,13 @@ def init_renderjs():
 
 
 # Load a gadget given a URL to the HTML file of the gadget
-# -> Generates a new uid for the gadget to-be-loaded
 # -> Fires an event which loading_gadget listens on and passes on the URL
-# -> returns the python gadget-object which has the uid as member-variable
-def load_gadget(gadgetUrl):
+def loadGadget(ref, gadgetUrl):
     from IPython.core.display import display, HTML
-    import uuid
-    gadgetId = str(uuid.uuid4())
     script = '''
     <script>
     var load_event = new CustomEvent("load_gadget",
-    { "detail": { "url": "''' + gadgetUrl + '", "gadgetId": "' + gadgetId + '''" }});
+    { "detail": { "url": "''' + gadgetUrl + '", "gadgetId": "' + ref + '''" }});
 
     var loadingDiv = document.querySelector(".loading_gadget");
     if(loadingDiv != null) {
@@ -145,3 +66,60 @@ def load_gadget(gadgetUrl):
     '''
     display(HTML(script))
     return RJSGadget(gadgetId)
+
+
+# Fires an event with
+#    * the ref of the gadget
+#    * the name of the declared_method
+#    * the arguments to be passed to the declared_method
+# The arguments are packed into a json string and passed to js as such
+def call_declared_method(ref, method_name, *args):
+    from IPython.core.display import display, HTML
+    import json
+    j_str = json.dumps(args)
+    script =  '''
+    <script>
+    var call_event = new CustomEvent("call_gadget",
+      { "detail": { "gadgetId": "''' + ref + '''",
+                    "methodName": "''' + method_name + '''",
+                    "methodArgs": ''' + "'" + j_str + "'" + '''
+      }});
+    var loadingDiv = document.querySelector(".loading_gadget");
+    if(loadingDiv != null) {
+      loadingDiv.dispatchEvent(call_event);
+    } else {
+      console.log("~~ call: RenderJS init required first!");
+    }
+    </script>
+    '''
+    display(HTML(script))
+
+
+# Fires an event to the destroy this gadget
+# Only thing passed is the ref of the gadget
+def destroy(ref):
+    from IPython.core.display import display, HTML
+    script = 
+    '''<script>
+    var destroy_event = new CustomEvent("destroy_gadget",
+      { "detail": { "gadgetId": "''' + ref + '''" }});
+    var loadingDiv = document.querySelector(".loading_gadget");
+    if(loadingDiv != null) {
+      loadingDiv.dispatchEvent(destroy_event);
+    } else {
+      console.log("~~ destroy: RenderJS init required first!");
+    }
+    </script>
+    '''
+    display(HTML(script))
+
+
+# Do nothing on load
+def load_ipython_extension(ipython):
+    pass
+
+# Do nothing on unload
+def unload_ipython_extension(ipython):
+    pass
+
+

renderjs_nbextension/README.md

-# Frontend part of the jupyter extension for RenderJS
-
+See top-level README.md
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-TODO
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