ZacharyZhang-NY
a2f2796455
Calendars, date and time inputs, pickers, clocks, timers, a sun dial, a season wheel, an agenda and a day schedule. Kit.At rebuilds at a moment (relative times, midnight). Stepper and NumberInput arrows stop under Inert. DateInput parks a popup focus as its own.
57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
package datetime
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import (
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"fmt"
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"time"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
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)
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type RelativeTimeOptions struct {
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// Slot inks the text; zero means Faint.
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Slot pixel.Slot
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}
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// RelativeTime says how long since or until t, each minute.
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func RelativeTime(c *ui.Context, t time.Time, o RelativeTimeOptions) *ui.Element {
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k := pixel.K(c)
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ink := o.Slot
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if ink == 0 {
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ink = pixel.Faint
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}
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// Minutes since t; ahead of it, rounded up and negative.
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d, m := k.Now().Sub(t), 0
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if d >= 0 {
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m = int(d / time.Minute)
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} else {
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m = -int((-d + time.Minute - 1) / time.Minute)
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}
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k.At(c, t.Add(time.Duration(m+1)*time.Minute))
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return pixel.Text(c, words(k, m), pixel.TextOptions{Slot: ink})
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}
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// words says m minutes: ago when positive, ahead when negative.
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func words(k pixel.Kit, m int) string {
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n := max(m, -m)
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h, days := n/60, n/(24*60)
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pick := func(past, future string) string {
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if m > 0 {
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return past
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}
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return future
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}
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switch {
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case n == 0:
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return k.Msg("just_now")
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case h == 0:
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return fmt.Sprintf(k.Msg(pick("min_ago", "in_min")), n)
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case days == 0:
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return fmt.Sprintf(k.Msg(pick("hours_ago", "in_hours")), h)
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case days == 1:
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return k.Msg(pick("yesterday", "tomorrow"))
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}
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return fmt.Sprintf(k.Msg(pick("days_ago", "in_days")), days)
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}
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