Tree-like Widget in Bokeh - Bokeh Discourse

arobertson.eeMar 27, 2017 #1

I am still a little new to using Bokeh, but I was wondering if there exists a widget similar to a tree that could be used to display parent-child relationships in the browser window while running a Bokeh server application.

I am trying to build a query construction interface to allow users to enter new conditions to the tree (e.g. (Age > 20) AND (Name = “John” OR Name = “Jane”)). Is there a simple way to add such a feature using Bokeh or would this require some external packages? In either case, could someone please point me towards an example to help me get started with this?

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BryanApr 05, 2017 #2

Hi,

There is nothing currently built into the core library that would provide this. However, Bokeh is extensible, so i would be possible to create a custom widget that does this (probably by wrapping some other existing JavaScript library for a tree-widget). The documentation for extending Bokeh has more information and several examples:

http://bokeh.pydata.org/en/latest/docs/user_guide/extensions.html

Thanks,

Bryan

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On Mar 27, 2017, at 10:03, arobertson.ee@gmail.com wrote:

I am still a little new to using Bokeh, but I was wondering if there exists a widget similar to a tree that could be used to display parent-child relationships in the browser window while running a Bokeh server application.

I am trying to build a query construction interface to allow users to enter new conditions to the tree (e.g. (Age > 20) AND (Name = "John" OR Name = "Jane")). Is there a simple way to add such a feature using Bokeh or would this require some external packages? In either case, could someone please point me towards an example to help me get started with this?

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