[ANN] Get In Line - List Reordering Demo
alex at tweedly.net
Tue Jan 11 09:15:55 EST 2005
Scott Rossi wrote:
>It's been a fair number of eons since I last posted a demo, so here goes...
>Recently I was looking for an alternate way of reordering a list field using
>a translucent drag-and-drop effect, similar to the Layers palette in Adobe
>products. "Get In Line" is the result of my experiments. During the drag,
>a translucent representation of the source text is dynamically created and
>used along with an indicator to show where the text can be dropped.
>Currently the demo only handles individual lines but with some tweaking
>could probably accommodate multiple lines. For folks looking to manage
>lists, try this out to see if it works for you (only tested on Mac OS so far
>-- Windows tests are appreciated).
I do see one problem though ....
On WinXP, rev 2.5: if I press the mouse button down and immediately move
the mouse, it works OK (maybe not completely as you want - see the last
However, if I press the mouse button down and do NOT move for a second
or so (*), then I get an effect that looks like I am dragging a
translucent background only; i.e. the text is not visible, but there is
a darker translucent rectangle about the right size to be the text
(*) looking at the code suggest it is 300 millisecs not one second - but
the "user view" report would say one second. Unfortunately, looking at
the code doesn't suggest anything more useful than that, to me.
Works OK, but maybe not perfect.
I do wonder if what I see on WinXP is exactly what you intended or not.
If I use the "few lines" test, click on line 3, and then move the mouse
well below all the text, what should I see ?
I actually see
line 3 ( in grey )
i.e. the line I am dragging remains in its original place - though it
will disappear then the "drop"operation happens, and the last line
("line 5") is invisible. I found that counter-intuitive - sine the
insert happens "between" lines, I'd expect them to "open up " to show
the translucent line going between - and I'd expect the line to either
disappear or grey away from its original position.
Hope that helps - good visual effects are very hard to describe in words.
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