Re: [xwiki-devs] dragging vertically in timelines - xwiki-devs@xwiki.org

16 Apr 2009

In http://groups.google.com/group/simile-widgets on Tue, Apr 14, 2009 at
11:08 PM, David Huynh &lt;dfhuynh(a)alum.mit.edu&gt; wrote:

I've updated the trunk to fix #1

http://trunk.simile-widgets.org/timeline/examples/compact-painter/compact-p…
Let me know how it feels.

This is a great improvement! I liked the new interface enough that I wanted
to try it out in Xwiki:

example:
   http://nielsmayer.com/xwiki/bin/view/TimelineTrunk/test

code:
   http://nielsmayer.com/xwiki/bin/view/TimelineTrunk/test?raw=1
   http://nielsmayer.com/xwiki/bin/view/TimelineTrunk/StyleSheet?raw=1
   http://nielsmayer.com/xwiki/bin/view/TimelineTrunk/DataJson?raw=1

Niels
http://nielsmayer.com

...

 Larry, if you have some time, I'd be grateful for some help on
 implementing your #2 point. It's been a while since I touch all the
 settings in Timeline and don't remember how they propagate. After that,
 maybe we should consider a 2.4 release.

 David

 David Huynh wrote:
  OK, sounds like we have consensus... I'll
implement them when I get a
 chance.

 David

 John Callahan wrote:

> I totally agree with both of Larry's cents.  Items 1) and 2) as Larry
> described them would work very well for my applications.
>
> - John
>
>
>
> Larry Kluger wrote:
>
>
>> Hi,
>>
>> I like David's slim scrollbar, I think it's more attractive than the
>> usual windows toolbar.
>> I also agree with David's point that a standard window toolbar may
>> influence people away from realizing that they can scroll a Timeline
>> along the time axis.
>>
>> My 2 cents on the issue are:
>> 1) The scrollbar should always be visible if there are more events
>> than can be shown on the available tracks. It should be usable as a
>> handle for moving the Timeline since its affordance is to act as a 
handle.
 >> (Affordance is a UI term. An object's
affordance is the behavior that
>> we expect from an object, given its appearance and context.)
>>
>> 2) I think the bouncing off the top and bottom of the band effect is
>> great for when the touch gesture is used on an iPhone, iTouch, or some
>> of the newer Macs. But having it occur as the result of a
>> mouse-interaction doesn't feel right to me. I'd appreciate some way to
>> turn that behavior off and I don't recommend it as a default (except
>> when the browser has a touch interface).
>>
>> Note that Timeline works pretty well out of the box on the iTouch.
>> Enabling the Timeline to be scrolled vertically really solves one of
>> the few problems with Timeline on an iPhone etc. The only other issue
>> is to change the bubbles' show/hide UI when used with an iPhone.
>> That's on my list.
>>
>> Regards,
>>
>> Larry
>>
>>  ------------------------------------------------------------------------
    *From:* David Huynh &lt;dfhuynh(a)alum.mit.edu&gt;
 *To:* simile-widgets(a)googlegroups.com
 *Sent:* Wednesday, March 25, 2009 12:17:24 AM
 *Subject:* Re: dragging vertically in timelines

 David Karger wrote:

> you mean use a native vertical scrollbar?  That would seem to create a
> "mixed metaphor" ui;
>
>
 That was one of the reasons I didn't want to use a native vertical
 scrollbar.

> i am guessing you can come up with a better
> consistent metaphor. It took me quite a while to notice the vertical
> scrollbar, and I'm puzzled why it is "read only".
>
>
>
 The intention is that it's only an indicator, and the body of the band
 is the interactor.

 I think people ain't used to scrolling horizontally as much, so if
 vertical scrolling were any more emphasized than it is, then that might
 totally inhibit any hint that horizontal scrolling is possible. (A
 native vertical scrollbar would really emphasize vertical scrolling.)
 But I could be wrong.

> farfetched, but what if you made the timeline into a "barrel" that
> rolled away at the top and bottom (images shrinking) to indicate there
> is more present?
>
>
>
 "Barrel" like this?
     http://z.about.com/d/ipod/1/0/e/3/-/-/iphone_gallery_10.jpg
 I can add some gradients.

 David

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