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# Two lists over one list state: what is open and what is done. Each shows
# the items its where keeps; the focus (at) is one item, shown in whichever
# list holds it, and a click in either list points at that item.
use vega
record Task {
title: text
done = false
}
state tasks: list of Task
state at: index of tasks
input add = text
input up = key ArrowUp
input down = key ArrowDown
input toggle = key Space
on add {
tasks.append(Task { title: add })
at = tasks.last
}
on up.down { at = at - 1 }
on down.down { at = at + 1 }
on toggle.down { at.done = !at.done }
view title = "Today"
view left = "{count(t in tasks where !t.done)} open"
view open = each t in tasks where !t.done {
label = t.title
}
view open_focus = at.position
view done = each t in tasks where t.done {
label = t.title
tone = vega.muted
}
view done_focus = at.position
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