You're right. Instead of overwriting the behavior of the slider, two buttons will do the trick! I was into too much of JSlider
A Google style navigation panel is a much welcome addition to Jump.
Bing
From: Larry Becker
Sent: Tuesday, October 28, 2008 9:38 PM
To: OpenJump develop and use
Subject: Re: [JPP-Devel] zoombar
> Regarding the use of logarithmic scale: Google map uses 18 levels of
zooming with each level doubling the resolution of the previous one. It can
cover from the entire earth surface to the street level, sufficient in most
cases.
That is a very good point.
Techies obviously enjoy choices but too many ways to do about same thing
causes confusion to regular call center workers.
Another good point.. This saves the development list from the inevitable
suggestion by me that perhaps we should implement the Google Map zoom tool. :-)
I think if I can find how to set the "step size" of the JSlider then I have
the control.
I think that step size is not the issue, and that the logarithmic scale will be
difficult to override. Perhaps it would be easier to simply add "+" and "-"
buttons on either end that zoom by a factor of two. This is a relatively
standard UI zoom feature.
regards,
Larry
On Mon, Oct 27, 2008 at 10:11 PM, Bing Ran <[EMAIL PROTECTED]> wrote:
Hi Larry,
I did some research and it turned out that the step size is controlled by the
BasicSliderUI behind JSlider (I'm using Substance L&F) in my case and move 1/10
of the total value range. In case of metal L&F it jumps by one unit. I don't
know if there is a simple way of configuring that.
Regarding the use of logarithmic scale: Google map uses 18 levels of zooming
with each level doubling the resolution of the previous one. It can cover from
the entire earth surface to the street level, sufficient in most cases. In my
case I'm doing a advanced restaurant search tool often I feel the OpenJUMP
zooming jumps a little too fast. I think if I can find how to set the "step
size" of the JSlider then I have the control.
Any Swing insight here?
Thanks
Bing
From: Larry Becker
Sent: Monday, October 27, 2008 9:19 PM
To: OpenJump develop and use
Subject: Re: [JPP-Devel] zoombar
Hi Bing,
I'm not sure if the zoom bar can display the full range of zooms if the
step size is only 2. It is kind of like a logarithmic scale. The zoom bar's
purpose is to provide a fast way of making gross changes in zoom levels, and to
display the current zoom level's order of magnitude. The usual way of zooming
by a factor of two is to use the zoom tool, either by explicitly selecting it,
or by using a quasimode modifier key (Alt). A more dynamic zoom capability is
available with the Zoom Realtime tool (use left and right mouse drag to
reposition and zoom at the same time).
regards,
Larry
On Mon, Oct 27, 2008 at 4:53 AM, Bing Ran <[EMAIL PROTECTED]> wrote:
I'd like to change the step size of the zoombar from 10 to 2 for example.
Currently the zoom level change by an order of magnitude when I click on either
side of the knob. I couldn't figure this out.
Any help is appreciated.
Bing
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