I am more and more impressed with how useful the new feature of Edit->Insert->Expression can be when creating content in a Note’s $Text attribute. I find myself including expressions to count occurrences in Notes, insert sums and averages, etc. Very effective.
But–I am baffled by the Edit->Insert->Checkboxes feature. In theory, this could help signal to-do’s within the $Text content for later follow-up. However, I can’t seem to come up with action code that would count checked or unchecked Checkboxes in Note. And why is the default Checkbox “checked?”
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The checkbox will be initially unchecked in the next release. I was concerned that an unchecked checkbox might be too similar to the symbol for “glyph for which no rendering is available” box, but the extra click is annoying.
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$TextCheckboxes is a list of checkbox values, so
$TextCheckboxes.count_if(x,x==true)is the count of checked checkboxes. This can also be written
$TextCheckboxes.count_if(x,x)
Relevant:
- In-text check-boxes. That tells us there is an attribute holding checkbox states, linking to the article on …
- $TextCheckboxes. This tells us the attribute is a multi-value list, specifically List-type data, holding the
true(ticked) orfalsestate of each tick-box. Thus… - As we only want to count list values of a certain type (here,
true), we can look at available Data manipulation operators (or look for list-based operators in the Full Operator List) and from that we see… - there is a list.count_if(loopVar, condition), as used in the example above.