[tw5] Re: Codemirror plugin questions

[Mat]

Simon and Mario - big thanks for clarifications!


The current implementation has no idea about TW-titles. ... We would need 
> an eg: "title-hint.js" function. 
>

Seems like a most common use case. There's a limited set of titles and 
easily findable. Could maybe even have all titles in a hash table that is 
updated on either tiddler save or wiki save.

 

> tag-hint.js, field-hint.js , widget-hint.js 
>
>>
> eg: 
> The existing -closetag AddOn allows us to say eg:   .. As soon as you 
> hit the > letter it will add  ... Which is nice. .. 
> The problem is, that it only works if type is set to "text/html"
>

Ah. In deed a severe limitation!  (...and I fail to understand why it can't 
be just made to work also in text/vnd.tiddlywiki. I mean, if the user hits 
the > and Ctrl+space then he wants  without a specific type definition. ... 
>

Could you give an example of what could be misunderstood?

I understand I'm naive about it but doesn't the user 'simply' want to do 
the usual TW stuff? I.e primarily wikitext and occasionally html and css? 
These are all covered in text/vnd.tiddlywiki.


Also, writing class="foo should show a select list of all classes prefixed 
>> foo.
>>
>
> This will be extremely complicated and probably slow. TW allows macro 
> calls in StyleSheet tiddlers. So it's close to impossible. So about 99.7%. 
> ... or may be 98,7% :))
>

Again, I understand I'm naive but... there is clearly some already 
implemented mechanism that keeps track of, or seeks out, the style 
classes so isn't it "just a matter of" comparing that foo pattern with 
those? (...and, "Well Mat, if you think it's so simple, then you do it" 
...unfortunately it is not simple for me but for other reasons.)

 

> Further, it seems that when I in a Stylesheet type bord (as in "border") 
>> that *is* recognized as an attribute name because it remains colored red 
>> until I've typed the last letter in border (and before any eventual space 
>> character). But I barely see any point with this recognition without 
>> autocomplete - ?
>>
>
> Yea type: text/CSS ... knows a lot about CSS parameters. .. CTRL-SPACE is 
> key here. IMO it's already useful, if you don't know the exact parameter 
> names. It may help a lot with typos. 
>

But so it *does* know that it is the beginning letters of a CSS parameter? 
... and then couldn't it just instead list those and let me select the 
desired one?
 

I also want be able to hover or click on certain keywords and have some 
>> info text come up. For example, if I click on a macro then perhaps the 
>> parameter list shows (extracted from some docs or from the macro 
>> definition) and if I click on a style def attribute then it's possible 
>> values come up. 
>>
>
> So if we come up with a "doc-format" you volunteer to implement the texts 
>  right?
>

Well, the reasonable thing is to use an automated template that e.g 
extracts the parameter list or some defined field in the docs. As for style 
def attributes, it seems it is built into the browser inspector so I guess 
there is a db in every browser.
 

It is all about some pattern recognition and showing a list of stuff pulled 
>> from either some dictionary or a search in the code.
>>
>
> codemirror docs  will have the 
> info. ... But it's relatively low level developer stuff.  But the existing 
> addOns can be used as examples. ..
>


Is there little generality in the -hint.js stuff done so far? Or is every 
-hint.js different?


<:-)

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[tw5] Re: Codemirror plugin questions

[PMario]

On Sunday, April 29, 2018 at 5:20:55 PM UTC+2, Mat wrote:
>
> I note that if I create a new tiddler, named *New Tiddler* and, in 
> another tiddler, type [[ I automatically get also the closing brackets 
> [[]] (and cursor conveniently placed in between)
>

That's because of the "-closebrackets" addOn. It basically auto-closes  (), 
[], {} 

 

> but as I begin to type *New* there is no text autocompletion or 
> suggestions. 
>

The current implementation has no idea about TW-titles. ... We would need 
an eg: "title-hint.js" function. 

There may be a tag-hint.js, field-hint.js  and so on. 
 

> Generally put, If I type [[ or <$ or << then I want for all tiddlers / 
> widgets / macros to have a list show from which I can select an entry. If 
> the string is extended to e.g 
>

<$... Oh, that's a widget-hint.js functionality, which nobody wrote yet. 
... 
 

> Does this functionality not exist? 
>

Yes. .. It doesn't exist. 
 

> What would be required to make it exist?
>

Programmers with some love to detail. ... 

eg: 
The existing -closetag AddOn allows us to say eg:   .. As soon as you 
hit the > letter it will add  ... Which is nice. .. 
The problem is, that it only works if type is set to "text/html"

So we will need to investigate to enable the possibilities with 
text/vnd.tiddlywiki  Where basically all the addOns could be needed at 
the same time. 

The problem is: It's complex to guess what the user actually wants to see, 
without a specific type definition. ... 

Codemirror library knows about a mixed mode, which may be possible to be 
used. But as I wrote. The real challenge is to detect which mode should be 
active. ... We will need to detect the users intention while they are 
typing. ... 
 

> I cannot find any instrux for that "Autocompletion" addon.
>

We did the basics. ... But nobody said, it's finished. ;)
 

>
> Also, writing class="foo should show a select list of all classes 
> prefixed foo.
>

This will be extremely complicated and probably slow. TW allows macro calls 
in StyleSheet tiddlers. So it's close to impossible. So about 99.7%. ... or 
may be 98,7% :))


Further, it seems that when I in a Stylesheet type bord (as in "border") 
> that *is* recognized as an attribute name because it remains colored red 
> until I've typed the last letter in border (and before any eventual space 
> character). But I barely see any point with this recognition without 
> autocomplete - ?
>

Yea type: text/CSS ... knows a lot about CSS parameters. .. CTRL-SPACE is 
key here. IMO it's already useful, if you don't know the exact parameter 
names. It may help a lot with typos. 

I also want be able to hover or click on certain keywords and have some 
> info text come up. For example, if I click on a macro then perhaps the 
> parameter list shows (extracted from some docs or from the macro 
> definition) and if I click on a style def attribute then it's possible 
> values come up. 
>

So if we come up with a "doc-format" you volunteer to implement the texts 
 right?

The final goal needs to be, that the TW build system auto-creates the basic 
structure. But the "prose text" will be user-made.
 

> What would it take to enable this type of functionality?
>

A lot of work and spare time.
 

> It is all about some pattern recognition and showing a list of stuff 
> pulled from either some dictionary or a search in the code.
>

codemirror docs will have the info. ... But it's relatively low level 
developer stuff.  But the existing addOns can be used as examples. ..

have fun!
mario

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[tw5] Re: Codemirror plugin questions

[PMario]

On Sunday, April 29, 2018 at 6:00:33 PM UTC+2, BurningTreeC wrote:
>
> try writing "Lo" in the Lorem ipsum tiddler, then hit Ctrl+Space
>

Type needs to be "text/vnd.tiddlywiki" to get the "in tiddler" 
auto-complete. 

-m

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[tw5] Re: Codemirror plugin questions

[BurningTreeC]

@Mat 

in the lorem ipsum tiddler there's no "Hello" and no "There" - that's 
because you don't get the autocompletion. It's not global, only per tiddler 
and there only per text field.

It may be possible (with help) to extend that autocomplete function, 
therefor one would have to look deeper into the codemirror docs 
https://codemirror.net

But as of now, the autocompletion works but only with text that's present 
in the current's tiddler text field


try writing "Lo" in the Lorem ipsum tiddler, then hit Ctrl+Space


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[tw5] Re: Codemirror plugin questions

[Mat]

Thanks Simon but looking at the Codemirror demo (which is exactly what I 
did before) where the autocompletion plugin seems to be installed, I still 
don't get how to make it work. If I type "Hel" in the LoremIpsum tiddler... 
how do I get it to autocomplete into "HelloThere"? Clicking Ctrl+Space does 
nothing. I bet it's obvious once you know... but I don't.

<:-)

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[tw5] Re: Codemirror plugin questions

[BurningTreeC]

Hi Mat, if the autocompletion plugin is installed, you can autocomplete 
with Ctrl+Space

in normal tiddlers it autocompletes text that is already in the "buffer" - 
that means, text that's already in the tiddler text field

you'll get a dropdown to select from if there are more possible 
autocomplete - hits


you can also take a look at the codemirror demo 
page: https://tiddlywiki.com/plugins/tiddlywiki/codemirror/

there's a lot of useful information


cheers, Simon

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