How do I implement My own setFragmentIdentifiyer ? Sorry I don't have good knowledge of Tranforms is there an example on that?
thomas.deweese wrote: > > Hi Luc, > > Luc_B <[email protected]> wrote on 06/30/2009 03:43:57 PM: > >> I got it working except for one thing which is major for me. Let me > explain. >> All transformations such as zoom and pan are working fine with the > history >> now. >> >> My only problem is views. Whenever I set a new view via >> canvas.setFragmentIdentifier("MyView"); >> >> It will be stored into the history but when I hit back it brings me back > but >> not at the same zoom level I was prior to calling setFragmentIdentifier. > > This is because setting the fragment identifier clears the rendering > transform (this is done because in general the fragment identifier > specifies > a viewbox). You may need to provide your own version of the > setFragmentIdent > that incorporates the renderingTransform you want - in particular replace > the call to computeRenderingTransform such that initalTransform is > replaced > with your desired history transform. > >> I suspect I need in this case to store the ViewBoxTransform in history >> instead of the RederingTransform > > I don't think this is needed, you just need to install both. > >> >> But if so how can I distinguish between a regular interaction(zoom, pan) > >> and a setFragmentIdentifier call? >> >> Thanks again, >> Luc >> >> thomas.deweese wrote: >> > >> > Hi Luc, >> > >> > Luc_B <[email protected]> wrote on 06/29/2009 04:03:39 PM: >> > >> >> So I did my test by choosing the "Transform..." menu item. I did a > bunch >> > of >> >> transforms and the next and previous menu item would never become >> > enabled... >> >> >> >> This did not work until I clicked on the Stop button that I noticed > was >> >> enabled. Then all my transformations would trigger the >> > gvtRenderingCompleted >> >> event and therefor update the transformHistory object... >> > >> > Ok, I see the problem. It used to be that all rendering transform >> > changes caused a gvtRenderingComplete, that is no longer the case for >> > 'interactive' documents - i.e. ones with script and/or animation. So >> > the right thing to do now is to register a JGVTComponentListener with >> > the canvas to catch componentTransformChanged events instead. >> > >> >> thomas.deweese wrote: >> >> > >> >> > Hi Luc, >> >> > >> >> >> Luc_B wrote: >> >> >> > >> >> >> > I am trying to implement a back / forward history in the svg >> > whenever >> >> > a >> >> >> > user has panned or zoomed. >> >> >> > >> >> >> > I have tried to reuse the TransformHistory class from the >> > SVGBrowser >> >> > but >> >> >> > they seem to only store the RenderingTransform at load. I need > more >> > >> >> > than >> >> >> > that. >> >> > >> >> > In my tests it records all my pan and zoom actions. Are you >> > including >> >> > the code from the JSVGViewerFrame that notifies the history class > of >> >> > transform changes? >> >> > >> >> >> > I want to know what AffineTransform should I store so when the > user >> > >> >> > hits >> >> >> > back in order to show him where he was before. >> >> > >> >> > 'canvas.getRenderingTransform()'. >> >> > >> >> >> > I am also wondering how to restore the svg view to that specific > >> >> > point... >> >> > >> >> > 'canvas.setRenderingTransform( affine );' >> >> > >> >> > This is all in the JSVGViewerFrame class already. Just look > for >> > all >> >> > the lines with 'transformHistory'. >> >> > >> >> > >> >> >> >> -- >> >> View this message in context: http://www.nabble.com/Pan-and-zoom- >> >> navigation-history-tp24074338p24260583.html >> >> Sent from the Batik - Users mailing list archive at Nabble.com. >> >> >> >> >> >> --------------------------------------------------------------------- >> >> To unsubscribe, e-mail: > [email protected] >> >> For additional commands, e-mail: > [email protected] >> >> >> > >> > >> >> -- >> View this message in context: http://www.nabble.com/Pan-and-zoom- >> navigation-history-tp24074338p24277832.html >> Sent from the Batik - Users mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> > > -- View this message in context: http://www.nabble.com/Pan-and-zoom-navigation-history-tp24074338p24308395.html Sent from the Batik - Users mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
