#!/usr/bin/env python
# coding: utf-8

# # Loading [JS9](http://js9.si.edu/)
# - based on [the basics](http://js9.si.edu/js9/js9basics.html)
# - in response to [this thread](https://mail.scipy.org/pipermail/ipython-dev/2015-October/016879.html)

# In[25]:


get_ipython().run_cell_magic('html', '', '<div class="JS9Menubar"></div>\n<div class="JS9" id="JS9"></div>\n<style>\n    @import("//js9.si.edu/js9/js9support.css");\n    @import("//js9.si.edu/js9/js9.css");\n</style>\n')


# With the DOM nodes created, we can try to load js9... `requirejs` is how the notebook loads content, and we're going to hotlink the example assets (which you shouldn't do for reals).

# In[29]:


get_ipython().run_cell_magic('html', '', '<script>\n    requirejs({\n        paths: {\n            js9: "//js9.si.edu/js9/js9",\n            js9support: "//js9.si.edu/js9/js9support.min",\n            js9plugins: "//js9.si.edu/js9/js9plugins"\n        },\n        shim: {\n            js9plugins: {\n                deps: ["js9"]\n            },\n            js9: {\n                deps: ["js9support"],\n                exports: "JS9"\n            }\n        }\n\n    }, [\n        "js9",\n        // drop these silently... we just need them for the call graph\n        "js9plugins"\n    ], function(JS9){\n        // the timeout is needed because there are some assumptions about load order and timing\n        setTimeout(function(){\n            JS9.Load("http://js9.si.edu/js9/png/casa.png");\n        }, 1000);\n    })\n</script>\n')


# In addition to the `alert()` about not being able to load data, the errors I am seeing:
# - `JS9 prefs file not available: js9Prefs.json`
# - inability to connect to `socket.io`, which is unsurprising