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| Re: scrollablethumbnail with zoom [message #138160 is a reply to message #138013] |
Tue, 15 June 2004 14:51   |
 Allen C Wong
Messages: 9
Registered: July 2009 |
Junior Member |
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Thanks for your reply. So I think this is a intended behaviour. Now my
question is why do you guys make the ScrollableThumbnail a final class?
The reason I say that is because I have come up with a hack to the
thumbnail class to do what I want (the size of the thumbnail figure is
fixed). Ideally I would extends ScrollableThumbnail and override that
method with my hack, however since the class is final, I would have to
extend Thumbnail and write my own code for the scrollable part. That sucks
because the ScrollableThumnail is doing exactly what i want, and if not
for the licensing issue, i would just do a copy and paste and force it to
extend my "hacked" thumbnail class.
You guys probably have a valid reason for making the class final, I am
just curious to know why. :)
cheers
Pratik Shah wrote:
> This is because when you zoom out such that the primary layer is smaller
> than the viewable area, it gets
> stretched to take up all available space.
> "Allen Wong" <ac4wong@uwaterloo.ca> wrote in message
> news:cadvg0$mf6$1@eclipse.org...
> > I think I did just that. Here is my setup:
> > In my main view:
> > Eclipse View (ve.accessPlan)->canvas->lws->scrollPane
> > (scroll)->scalablePane->Figure (container)->a bunch of figures
> >
> > protected Figure createThumbnail() { ScrollableThumbnail thumbnail =
> > new ScrollableThumbnail(scroll
> > .getViewport());
> > thumbnail.setSource(container);
> > return thumbnail;
> > }
> >
> > then i create my scrollableThumbnailView by:
> > another eclipse view ->
> canvas->LWS->scrollableThumbnail->Figure(container)
> >
> >
> > public void createPartControl(Composite parent) {
> >
> > VEGraphView vp = (VEGraphView) this.getSite().getWorkbenchWindow()
> > .getActivePage().findView("ve.accessPlan");
> > overview = new Canvas(parent, SWT.NULL);
> > LightweightSystem overviewLWS = new LightweightSystem(overview);
> >
> > overviewLWS.setContents(vp.createThumbnail());
> > }
> >
> >
> > I thought the source of my scrollableThumbnail (container) is not
> scalable,
> > but apparently it is.
> > I have taken two screenshots. Ideally I would like to have the size of my
> > figures inside the thumbnail view always fixed as the one in
> > largeOverview.jpg.
> >
> >
> > http://www.home.mycybernet.net/~acwong/smallOverview.JPG
> > http://www.home.mycybernet.net/~acwong/largeOverview.JPG
> >
> > Pratik Shah wrote:
> >
> > > You are probably asking the ScalableFreeformLayeredPane from your
> graphical
> > > viewer to paint on the thumbnail as well. Paint just the printable
> layers
> > > (or go far enough down the figure hierarchy that you omit the
> > > ScalableFreeformLayeredPane) and you should be good.
> >
> > > "Allen Wong" <ac4wong@uwaterloo.ca> wrote in message
> > > news:cabafj$v3f$1@eclipse.org...
> > > > Hi, I am using the scrollablethumbnail and scrollPane with zoom
> support.
> > > > I notice when i zoom out the scrollPane, the thumbnail will follow the
> > > > scale and scale itself down as well.
> > > >
> > > > Is there a way to set the figure inside the scrollablethumbnail to a
> fixed
> > > > size, not matter what's the scollPane's zoom rate is?
> > > >
> >
> >
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| Re: scrollablethumbnail with zoom [message #138306 is a reply to message #138160] |
Tue, 15 June 2004 19:42 |
Eclipse User |
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Originally posted by: none.us.ibm.com
> Thanks for your reply. So I think this is a intended behaviour. Now my
> question is why do you guys make the ScrollableThumbnail a final class?
> The reason I say that is because I have come up with a hack to the
> thumbnail class to do what I want (the size of the thumbnail figure is
> fixed). Ideally I would extends ScrollableThumbnail and override that
> method with my hack, however since the class is final, I would have to
> extend Thumbnail and write my own code for the scrollable part. That sucks
> because the ScrollableThumnail is doing exactly what i want, and if not
> for the licensing issue, i would just do a copy and paste and force it to
> extend my "hacked" thumbnail class.
>
> You guys probably have a valid reason for making the class final, I am
> just curious to know why. :)
We did this so we could change the class however we see fit. I suppose the
other way to do this is to just put a warning in the javadoc stating that
the class should not be subclassed.
Open a bugzilla.
> cheers
>
>
>
> Pratik Shah wrote:
>
> > This is because when you zoom out such that the primary layer is smaller
> > than the viewable area, it gets
> > stretched to take up all available space.
>
> > "Allen Wong" <ac4wong@uwaterloo.ca> wrote in message
> > news:cadvg0$mf6$1@eclipse.org...
> > > I think I did just that. Here is my setup:
> > > In my main view:
> > > Eclipse View (ve.accessPlan)->canvas->lws->scrollPane
> > > (scroll)->scalablePane->Figure (container)->a bunch of figures
> > >
> > > protected Figure createThumbnail() { ScrollableThumbnail
thumbnail =
> > > new ScrollableThumbnail(scroll
> > > .getViewport());
> > > thumbnail.setSource(container);
> > > return thumbnail;
> > > }
> > >
> > > then i create my scrollableThumbnailView by:
> > > another eclipse view ->
> > canvas->LWS->scrollableThumbnail->Figure(container)
> > >
> > >
> > > public void createPartControl(Composite parent) {
> > >
> > > VEGraphView vp = (VEGraphView) this.getSite().getWorkbenchWindow()
> > > .getActivePage().findView("ve.accessPlan");
> > > overview = new Canvas(parent, SWT.NULL);
> > > LightweightSystem overviewLWS = new LightweightSystem(overview);
> > >
> > > overviewLWS.setContents(vp.createThumbnail());
> > > }
> > >
> > >
> > > I thought the source of my scrollableThumbnail (container) is not
> > scalable,
> > > but apparently it is.
> > > I have taken two screenshots. Ideally I would like to have the size of
my
> > > figures inside the thumbnail view always fixed as the one in
> > > largeOverview.jpg.
> > >
> > >
> > > http://www.home.mycybernet.net/~acwong/smallOverview.JPG
> > > http://www.home.mycybernet.net/~acwong/largeOverview.JPG
> > >
> > > Pratik Shah wrote:
> > >
> > > > You are probably asking the ScalableFreeformLayeredPane from your
> > graphical
> > > > viewer to paint on the thumbnail as well. Paint just the printable
> > layers
> > > > (or go far enough down the figure hierarchy that you omit the
> > > > ScalableFreeformLayeredPane) and you should be good.
> > >
> > > > "Allen Wong" <ac4wong@uwaterloo.ca> wrote in message
> > > > news:cabafj$v3f$1@eclipse.org...
> > > > > Hi, I am using the scrollablethumbnail and scrollPane with zoom
> > support.
> > > > > I notice when i zoom out the scrollPane, the thumbnail will follow
the
> > > > > scale and scale itself down as well.
> > > > >
> > > > > Is there a way to set the figure inside the scrollablethumbnail to
a
> > fixed
> > > > > size, not matter what's the scollPane's zoom rate is?
> > > > >
> > >
> > >
>
>
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