Agreed – thanks for calling that out, Andy.

Rob

On Tue, Sep 20, 2016 at 1:13 PM, Andy LoPresto <alopre...@apache.org> wrote:

> In this and other UI discussions going on, I would request that everyone
> keep in mind the usability of the software by people with visual and other
> impairments. The US Federal Government has guidelines referred to as
> “Section 508” [1] which cover the design and usability of softwares
> specifically to ensure access for as many people as possible. Now, NiFi is
> not explicitly governed by these rules, but it seems to me that we should
> work towards accessibility from the beginning, not as a bolt-on effort.
>
> In that vein, one of the simplest and easiest rules is “color is great as
> a secondary indicator, but should not be the *only* indicator”. In practice
> — changing the color of a connection to indicate back pressure is a great
> feature, but there should be another indicator of back pressure that does
> not require the ability to discern color.
>
> [1] https://www.section508.gov/content/learn/standards/
> quick-reference-guide
>
> Andy LoPresto
> alopre...@apache.org
> *alopresto.apa...@gmail.com <alopresto.apa...@gmail.com>*
> PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4  BACE 3C6E F65B 2F7D EF69
>
> On Sep 20, 2016, at 8:28 AM, Andrew Grande <apere...@gmail.com> wrote:
>
> I like the tooltip addition of yours.
>
> For more interactive feedback on the canvas I can immediately think of 2
> items.
>
> 1. Indicator for when backpressure was configured on a connection
> (although it's now always added by default, maybe less useful).
>
> 2. Changing the color of a connection when backpressure has engaged could
> go a long way. Can go further, gradient color based on how close the
> connection backlog is to triggering the backpressure controls. Immediately
> highlights hotspots visually.
>
> Andrew
>
> On Tue, Sep 20, 2016, 9:40 AM Rob Moran <rmo...@gmail.com> wrote:
>
>> Andrew,
>>
>> Thanks for the feedback on the status bar. Separation between each item
>> helps but realize after your comments how it can not feel like a single,
>> cohesive group of items. We could probably tighten things up a bit.
>>
>> I think another part of this that could help would be to address some of
>> the discussion around awareness of stats updating. Being able to call more
>> attention (without being too intrusive) when stats change could help ease
>> some of the burden of having to routinely scan the status bar to look for
>> changes.
>>
>> Also related, I would like to see us get a tooltip that is seen when you
>> hover anywhere on the status bar. That tooltip would provide more
>> descriptive text about what each item means. It would help new users learn
>> as well as provide detail and follow-on action when something is alerted.
>>
>> Let's see what others think and then I can work on filing a jira to
>> capture thoughts.
>>
>> Rob
>>
>> On Mon, Sep 19, 2016 at 6:22 PM, Andrew Grande <apere...@gmail.com>
>> wrote:
>>
>>> Hi All,
>>>
>>> I'd like to provide some feedback on the NiFi 1.0 UI now that I had a
>>> chance to use it for a while, as well as pass along what I heard directly
>>> from other end users.
>>>
>>> Attached is a screenshot of a status bar right above the main flow
>>> canvas. The biggest difference from the 0.x UI is how much whitespace it
>>> now has between elements. To a point where it's not possible to quickly
>>> scan the state with a glance.
>>>
>>> Does anyone have other opinions? Can we adjust things slightly so they
>>> are easier on the eye an have less horizontal friction?
>>>
>>> Thanks!
>>> Andrew
>>>
>>>
>>>
>>
>

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