Guille Rmo Thanks for sharing your work. Increments have being difficult in TiddlyWiki, this works good as a button counter.
You may be interested in the new range operator coming in V 5.1.18 Regards Tony On Thursday, 23 August 2018 04:14:47 UTC+10, Guille Rmo wrote: > > I found math.js > <https://groups.google.com/forum/#!topic/tiddlywiki/cPq72e4x1f8> plugin > for tw a while ago. However I didn't managed to do what I wanted with it. I > wanted to set a field value with a math expression. I remember I managed to > do it with a macro and a $set variable, but I think that is not very clean. > Instead, I thought that making an alternative action-setfield widget was > the right thing to do. So I took @mklauber plugin and wrote the widget. > > See the following examples to get an Idea of what is possible with this: > > This button raises the field "test2" to the power of 2 each time it is > clicked: > > <$button> > <$action-setfield-mathjs $tiddler=<<currentTiddler>> $field="test2" > $eval="test2^2" /> > Click to raise <b>{{!!test2}}</b> to the power of 2 > </$button> > > You can also manipulate data tiddlers. In the following, the data tiddler > [[ExampleData]] is updated with math operations: > > <$button> > <$action-setfield-mathjs $tiddler="ExampleData" $index="y" $eval="y+1" /> > Click to increment y ( {{ExampleData##y}} ) > </$button> > > <$button> > <$action-setfield-mathjs $tiddler="ExampleData" $index="x" $eval="x+1" /> > Click to increment x ( {{ExampleData##x}} ) > </$button> > > > The tiddler fields or the data tiddler indexes are set as the math.js > scope, so you can use the names in the math.js expressions. > > The main motivation for this was having a simple increment button :) But > it is quite powerful. Hope you can come up with great use cases for this. > > The demo is here: > https://cdn.rawgit.com/Guitlle/tiddly-mathjs/build/tmp.html > > > -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/tiddlywiki. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/59023aaf-ad17-4d5f-abb4-0a476a3f8522%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
