A very interesting link – thank you, Mario.
– æ
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Probably this: From hangout #38 11.March.2014
1:03:54 Jeremy- proposal: .. hiding internal tiddler fields, because they
are immutable ... discussion.
https://www.youtube.com/watch?x-yt-ts=1421914688v=6obIvP5NiQ4x-yt-cl=84503534feature=player_detailpage#t=3834
about 10 minutes
This was
On Friday, January 23, 2015 at 12:54:41 AM UTC+1, Tobias Beer wrote:
Presumably the reason for freezing the fields is to force all
modifications to go through a single point – namely *addTiddler* – to
guarantee that the display gets refreshed in response.
Let's wait and see what the
*addTiddler* appears to also update existing tiddlers, and only those
fields handed down in the fields object. When a field is explicitly
declared as *undefined* or *null*, it is deleted.
*addTiddler* either just accepts its parameter as a tiddler, or it
constructs a new tiddler using its
I couldn't quite decipher how *addTiddler *circumvents this.
I don't think it does. The tiddler constructor function freezes the
tiddler's map of fields and the value of each field. *addTiddler*
constructs an entirely new tiddler and slots it into the wiki's map of
tiddlers, replacing
I couldn't quite decipher how *addTiddler *circumvents this.
I don't think it does. The tiddler constructor function freezes the
tiddler's map of fields and the value of each field. *addTiddler*
constructs an entirely new tiddler and slots it into the wiki's map of
tiddlers, replacing the
Anyhow, updating a tiddler essentially means deleting the old one and
overwriting it with another.
Yes. The *setText* method of the wiki object is perhaps the simplest case
of this.
Would be good if there were some instructions on how to handle
*getCreationFields
*and
Presumably the reason for freezing the fields is to force all
modifications to go through a single point – namely *addTiddler* – to
guarantee that the display gets refreshed in response.
Let's wait and see what the master will add as a rationale to all this. I
sure appreciate the fact
*addTiddler* either just accepts its parameter as a tiddler, or it
constructs a new tiddler using its parameter as a definition of the fields.
I see. So, to modify one...
1. you retrieve the tiddler in the code
2. instead of manipulating it directly
3. you create a fields object
Thanks BJ for the question I used a [[Special Tag]] so I knew what all the
Tiddlers were, I do not need to change that.
Thanks again Tobias for all your help, I hit one minor snag and I don't
know if your code will be able to overcome it.
I did more testing last night and I think I have to use
So now for the silly question, how do I use this?
Do I create a bookmarklet
http://tb5.tiddlyspot.com/#Creating%20Smart%20Bookmarklets with it or do
I need to use this another way?(I haven't made any bookmarklets yet so that
might be interesting)
As always thanks everyone for your help.
Rich
tiddlers are forced to be immutable by tiddlywiki so the code has to be
more like this:
Do you know what part of the core does this immutability thing?
I'd be interested in seeing how that works.
Best wishes, Tobias.
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It's in the boot.js -
```
// Freeze the tiddler against modification
Object.freeze(this.fields);
```
On Wednesday, January 21, 2015 at 3:54:58 PM UTC-6, Tobias Beer wrote:
tiddlers are forced to be immutable by tiddlywiki so the code has to be
more like this:
Do you know what part
I should ask you Tobias have you tested with an embedded image and does
the image data stay or is it deleted?
The above code clears the text field.
You could modify the code of the above by
- adapt the filter to have it select all with a *_canonical_uri* field
- remove the code that
So I was able to get the stuff I did yesterday with JSON over to my other
computer and it worked flawlessly.
ARGH
I will be trying your solution next Tobias and thanks again for your help.
I really like JSON, just wish it worked on this computer and I have no idea
what craziness is on this
Tobias,
Thank you very much that took me a few minutes to find the images I put in
there but now they are all External and the TW dropped almost 10mb in size.
WooHoo.
You may want to add the F12 Console details to your developer page for this
solution.
That was awesome and saved me a TON of
Last update I hope.
I used the length macro and lsort filter
http://tbdemo.tiddlyspot.com/#length%20macro%20and%20lsort%20filter thanks
again for cataloging that Tobias and I shaved even more off.
From 16mb to under 3mb in less than an hour.
Thanks again everyone for all the help.
Rich
Object.freeze(this.fields);
I couldn't quite decipher how *addTiddler *circumvents this.
What am I missing?
Best wishes, Tobias.
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So now for the silly question, how do I use this?
Do I create a bookmarklet
http://tb5.tiddlyspot.com/#Creating%20Smart%20Bookmarklets with it or
do I need to use this another way?(I haven't made any bookmarklets yet so
that might be interesting)
You hit F12 to open the developer tools
I tried to write a litte console script, but I'm stuck...
var tids =
$tw.wiki.filterTiddlers([field:type[image/jpeg]!has[_canonical_uri]]);
$tw.utils.each(tids,function(t){ var tid = $tw.wiki.getTiddler(t);
tid.fields.text = ; tid.fields._canonical_uri = t;
tiddlers are forced to be immutable in boot - so the code has to be more
like:
$tw.utils.each(tids,function(t){
var tiddler = $tw.wiki.getTiddler($tw.listtag)||{title:$tw.listtag},
updateFields = {};
updateFields[text] = ;
updateFields[_canonical_uri] =
Hi Tobias,
tiddlers are forced to be immutable by tiddlywiki so the code has to be
more like this:
$tw.utils.each(tids,function(t){
var tiddler = $tw.wiki.getTiddler(t),
updateFields = {};
updateFields[text] = ;
updateFields[_canonical_uri] = Images/+t;
tiddlers are forced to be immutable by tiddlywiki so the code has to be
more like this:
Thanks, BJ, that works...
convert embedded to external images @ dev5
http://dev5.tiddlyspot.com/#convert%20embedded%20to%20external%20images
The code (just set the path correctly, assuming the tiddler
Do you mean that you have tagged all the tiddlers to be changed with
[[Special Tag]]?
BJ
On Tuesday, January 20, 2015 at 7:59:54 PM UTC-6, RichShumaker wrote:
I have a bunch of JPEG's that I put directly into my TW5 before I saw the
_canonical_uri light.
I have all the images in the same
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