On Tuesday, March 11, 2014 6:42:16 PM UTC+1, Albert Riedinger wrote:
>
> I use Tobias Beers' fork of TiddlersBarPlugin[1] in my custom theme with
> TiddlersBar fixed in left sidebar.
>
So your left sidebar is fixed too and it is always visible, when you sroll
down?
> What I would like to achieve is that TiddlersBarPlugin remembers the
> scroll position of tiddlers while switching between them[2]. I tried to
> modify the code of TiddlersBarPlugin, but had to give up realizing that I
> am only a JS beginner ;) My approach would be to save the horizontal and
> vertical scroll positions in particular tiddler
>
fields with code like this:
>
I wouldn't store those values with the tiddler, because you would get a new
modified timestamp. If you want that, then it's ok.
Do you really need the x position? In normal cases it is alway 0.
If only "y" is needed, you could create a "tbScrollPositions" tiddler with
a lot of slices with the "tiddlername:y-value" in it. ...
store.calcAllSlices("tbScrollPositions") should return all the tiddlers and
there values. But you'd need to create a search function. so your approach
is easier for the beginning.
story.displayTiddler =
function(srcElement,tiddler,template,animate,unused,customFields,toggle){
story.coreDisplayTiddler(config.macros.tiddlersBar.tabsAnimationSource,tiddler,template,animate,unused,customFields,toggle);
var title = (tiddler instanceof Tiddler)? tiddler.title : tiddler;
if (config.macros.tiddlersBar.isShown()) {
story.forEachTiddler(function(t,e){
if (t!=title) e.style.display="none";
else { // <- a fast test
e.style.display=""; // <- this will scroll 200 px down.
So it should be the right place
window.scrollTo(0, 200)// <- when you display the tiddler.
}
})
config.macros.tiddlersBar.currentTiddler=title;
}
var e=document.getElementById("tiddlersBar");
if (e) config.macros.tiddlersBar.refresh(e,null);
}
Finding the place to save the value will be trickier. I'll post again :)
have fun!
mario
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