reveal.js users: Lost reveal.js fragment IDs in address bar

reveal.js users: Lost reveal.js fragment IDs in address bar

[Joseph Reagle]

Hello all, when you move through a pandoc generated reveal.js, does the fragment ID of the URL in the address bar change? (Like this [1].)

Mine always has, until recently. This was nice because when I edited a slide in markdown, I could generate the slides, refresh, and---unless I change the title/header---see the changes without having to navigate to that slide again. Also, I could easily send a link to a single slide to someone else.

Now, the URL in the address bar stays the same regardless what slide I'm on (e.g., [2]).
Do you see the same thing on my slides [2], on your own slides?

I'm using pandoc 1.19.2.1 and reveal.js 3.4.1. I recently got rid of my ancient custom reveal.js template and use the default template. I generate the slides per:

```
/usr/local/bin/pandoc -f markdown+mmd_title_block+yaml_metadata_block+implicit_header_references -w html -s -t revealjs --slide-level=2 -V revealjs-url=../_reveal3.js -o /Users/reagle/joseph/2017/cda/talks/080-social-know-how.html /Users/reagle/joseph/2017/cda/talks/080-social-know-how.md
```

Could something in the default template be suppressing the URL changing?


[1]: http://lab.hakim.se/reveal-js/#/
[2]: http://reagle.org/joseph/2017/cda/talks/080-social-know-how.html

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Re: reveal.js users: Lost reveal.js fragment IDs in address bar

[John MacFarlane]

I'm noticing this too.  Try the following:

1) update your reveal.js source to the latest version
2) add -V history=true to your pandoc invocation

This gave good results in my case, though section title
names were used instead of fragments.

We might want to think about making history=true the
default.

+++ Joseph Reagle [Feb 09 17 11:13 ]:
>Hello all, when you move through a pandoc generated reveal.js, does the fragment ID of the URL in the address bar change? (Like this [1].)
>
>Mine always has, until recently. This was nice because when I edited a slide in markdown, I could generate the slides, refresh, and---unless I change the title/header---see the changes without having to navigate to that slide again. Also, I could easily send a link to a single slide to someone else.
>
>Now, the URL in the address bar stays the same regardless what slide I'm on (e.g., [2]).
>Do you see the same thing on my slides [2], on your own slides?
>
>I'm using pandoc 1.19.2.1 and reveal.js 3.4.1. I recently got rid of my ancient custom reveal.js template and use the default template. I generate the slides per:
>
>```
>/usr/local/bin/pandoc -f markdown+mmd_title_block+yaml_metadata_block+implicit_header_references -w html -s -t revealjs --slide-level=2 -V revealjs-url=../_reveal3.js -o /Users/reagle/joseph/2017/cda/talks/080-social-know-how.html /Users/reagle/joseph/2017/cda/talks/080-social-know-how.md
>```
>
>Could something in the default template be suppressing the URL changing?
>
>
>[1]: http://lab.hakim.se/reveal-js/#/
>[2]: http://reagle.org/joseph/2017/cda/talks/080-social-know-how.html
>
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Re: reveal.js users: Lost reveal.js fragment IDs in address bar

[Joost Kremers]

On Thu, Feb 09 2017, Joseph Reagle wrote:
> Hello all, when you move through a pandoc generated reveal.js, 
> does the fragment ID of the URL in the address bar change? (Like 
> this [1].)
>
> Mine always has, until recently. This was nice because when I 
> edited a slide in markdown, I could generate the slides, 
> refresh, and---unless I change the title/header---see the 
> changes without having to navigate to that slide again. Also, I 
> could easily send a link to a single slide to someone else.
>
> Now, the URL in the address bar stays the same regardless what 
> slide I'm on (e.g., [2]).
> Do you see the same thing on my slides [2], on your own slides?

Yes. When I started using revealjs a couple of months ago, this 
was how my slides worked. Only after adding -V history=true to my 
pandoc invocation I got the effect that you describe.

So I suspect your old revealjs configuration had this option, and 
now that you started fresh, it's gone.

BTW, I don't know why the revealjs demo at [1] uses slide numbers, 
while my (and your old) slides use the slide titles. Perhaps 
there's another option that I haven't found. (Looking at the 
source of [1] doesn't reveal anything, though.)


[...]

> [1]: http://lab.hakim.se/reveal-js/#/
> [2]: 
> http://reagle.org/joseph/2017/cda/talks/080-social-know-how.html

HTH

-- 
Joost Kremers
Life has its moments

Re: reveal.js users: Lost reveal.js fragment IDs in address bar

[Joseph]

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Yes please. Also, I'd like the viewport to be user-scalable. Sometimes 
(because of differences across system fonts and browsers) a slide doesn't 
fit; being able to zoom out a bit is very helpful.

<meta name="viewport" content="width=device-width, initial-scale=1.0, 
maximum-scale=1.0, user-scalable=no, minimal-ui">


On Thursday, February 9, 2017 at 3:06:45 PM UTC-5, John MacFarlane wrote:
>
> We might want to think about making history=true the 
> default. 
>

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Re: reveal.js users: Lost reveal.js fragment IDs in address bar

[Andrew Dunning]

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This sounds to me a recent change in the reveal.js defaults, since it's been awhile since we overhauled the template. Might be worth investigating and filing an issue on their repository.

Re: reveal.js users: Lost reveal.js fragment IDs in address bar

[John MacFarlane]

I changed the default for history to 'true'.

+++ Andrew Dunning [Feb 11 17 15:09 ]:
>This sounds to me a recent change in the reveal.js defaults, since it's been awhile since we overhauled the template. Might be worth investigating and filing an issue on their repository.
>
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Re: reveal.js users: Lost reveal.js fragment IDs in address bar

[Joseph Reagle]

On 2/20/17 4:27 PM, John MacFarlane wrote:
> I changed the default for history to 'true'.

And user-scalable?



<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">

Re: reveal.js users: Lost reveal.js fragment IDs in address bar

[John MacFarlane]

+++ Joseph Reagle [Feb 20 17 19:36 ]:
>On 2/20/17 4:27 PM, John MacFarlane wrote:
>> I changed the default for history to 'true'.
>
>And user-scalable?
>
>
>
><meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">

I'd prefer not to change that, at least not without better
understanding the reasons for this default setting in
reveal.js.

I suspect the reason is that it's too easy for users to
accidentally zoom, which will usually lead to very bad
results.

Re: reveal.js users: Lost reveal.js fragment IDs in address bar

[Joseph Reagle]

On 2/22/17 9:06 AM, John MacFarlane wrote:
> I'd prefer not to change that, at least not without better 
> understanding the reasons for this default setting in reveal.js.

Would adding a variable be too much hassle? I could always go back to using my own template but I prefer, for simplicity's sake, to use the default.

Re: reveal.js users: Lost reveal.js fragment IDs in address bar

[BP Jonsson]

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ons 22 feb. 2017 kl. 15:13 skrev Joseph Reagle <joseph.2011-T1oY19WcHSwdnm+yROfE0A@public.gmane.org>:

> On 2/22/17 9:06 AM, John MacFarlane wrote:
> > I'd prefer not to change that, at least not without better
> > understanding the reasons for this default setting in reveal.js.
>
> Would adding a variable be too much hassle? I could always go back to
> using my own template but I prefer, for simplicity's sake, to use the
> default.


Do you know that you can keep your own default at
`~/.pandoc/templates/default.<format> `? My default.latex has diverged
quite a bit from the official one, but pandoc will use it automatically
whenever I produce PDF or standalone LaTeX.

/bpj



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