[IPython-dev] More widget feasibility ideas
Adam Hughes
hughesadam87 at gmail.com
Wed Oct 29 18:53:52 EDT 2014
Hi Nicholas,
After I updated to the recent dev, part of our code broke. It's from the
part that you showed to us, so I figured you might be aware of what has
been changed:
AttributeError Traceback (most recent call
last)<ipython-input-8-70485b3b7990> in displayed(self, _) 113 #
----- 114 def displayed(self, _):--> 115
self.add_class("col-xs-9") 116 # THIS IS WHERE DRAW IS
CALLED AFTER DISPLAYS CHANGE 117 self.draw()
AttributeError: 'Spectrogram' object has no attribute 'add_class'
On Tue, Oct 28, 2014 at 12:07 AM, Adam Hughes <hughesadam87 at gmail.com>
wrote:
> Ah gotcha! Thanks for clearing that up, much appreciated! I guess my dev
> is way older than I recall.
>
> On Mon, Oct 27, 2014 at 10:45 PM, Nicholas Bollweg <nick.bollweg at gmail.com
> > wrote:
>
>> For reference, I see this:
>>
>> [image: Inline image 3]
>>
>> ah, the _dom_classes may have been more recent than that. Here's the
>> change, landed sept 23: https://github.com/ipython/ipython/pull/6235
>>
>> you may have to go back to something like:
>>
>> w = HTML("text")
>>> w.on_displayed(lambda x: w.add_class("alert-warning")
>>>
>>
>> When you want to change it, you'd then have to:
>>
>> w.remove_class("alert-warning")
>>> w.add_class("alert-success")
>>>
>>
>> In the new core widgets, a traitlet manages these directly:
>>
>> https://github.com/ipython/ipython/blob/master/IPython/html/widgets/widget_button.py#L36
>> And all the class adding/removing is done on the client side.
>>
>> In my bootstrap librar <https://github.com/bollwyvl/ip-bootstrap>y i
>> have been tinkering with, I did the same, though a little differently.
>>
>> On Mon, Oct 27, 2014 at 8:55 PM, Adam Hughes <hughesadam87 at gmail.com>
>> wrote:
>>
>>> Yes, but when you do this in your notebook, does it appear in a
>>> different colors? Mine looks like plain text. IE I literally see:
>>>
>>> info
>>> danger
>>> warning
>>> success
>>>
>>> In my output cell, instead of pretty colors like the example on the
>>> bootstrap link. Using about a 2week-old version of 3.0 dev, if that
>>> matters.
>>>
>>> On Mon, Oct 27, 2014 at 8:50 PM, Nicholas Bollweg <
>>> nick.bollweg at gmail.com> wrote:
>>>
>>>> right, you'd switch it out to another context:
>>>>
>>>> from IPython.html import widgets
>>>>> from IPython.display import display
>>>>> for context in ["info", "danger", "warning", "success"]:
>>>>> display(widgets.HTML(value=context, _dom_classes=["alert",
>>>>> "alert-" + context]))
>>>>>
>>>>
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>>>>
>>>
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>>
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