> On Sep 1, 12:21 pm, HMark <[email protected]> wrote:
>> One thing I'm missing is a way to change interact widget rendering in
>> the browser, from within the code.
>>
>> So, in the simple example athttp://www.sagenb.org/home/pub/2409/(and
>> also below), what I'd like to see is that the n_points_local input_box
>> widget (in this case, but other types of widgets in general) gets
>> updated every time a new point is added, and n_points_global and
>> n_points_local get modified.
>>
>> Similarly, the code changes the state of the point_operation buttons
>> to 'Reset' after every time a point is added, but the button widgets
>> rendering doesn't reflect that.
>>
>> 1. is there a way to do this with the built-in functionality, or do I
>> need to build a custom GUI with widgets rendered outside of @interact
>> (but within the browser)?
>>
>> 2. Regardless, are there examples of custom GUIs, rendered in the
>> browser (Notebook), interacting with the sage functionality, I can
>> look at?
>>
>> Any pointers would be appreciated.
>>
>> # --- global ---
>> display_points = Graphics()
>> n_points_global = 5
>>
>> for i in range(n_points_global):
>> display_points += point((round(10 * random(), 0), round(10 *
>> random(), 0)))
>>
>> @interact
>> def point_setting(
>> point_operation = ['Reset', 'Add a point'],
>> n_points_local = input_box(default = n_points_global, label =
>> 'number of points:', width = 5)
>> ):
>> global display_points, n_points_global
>>
>> if point_operation == 'Add a point':
>> display_points += point((round(10 * random(), 0), round(10 *
>> random(), 0)))
>> n_points_global += 1
>> n_points_local = n_points_global
>> point_operation = 'Reset'
If we added a unique HTML 'id' attribute to the input element, perhaps
we could wrap
html('<script>jQuery("#unique_id_for_this_input").val({0});</script>'.format(n_points_global))
in a friendlier Python function that we could insert here?
>> print "number of points = ", len(display_points)
>> show(display_points, xmin = 0, xmax = 10, ymin = 0, ymax = 10)
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