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.
52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
package datetime
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import (
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"log/slog"
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"time"
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"github.com/egoist/mygo/ui"
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)
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type DateRangeOptions struct {
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Disabled bool
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}
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type DateRangeResult struct {
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Element *ui.Element
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Changed bool
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}
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type rangeKey struct{}
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// ranging is the keys' day; tail picks the end next.
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type ranging struct {
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cur time.Time
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tail bool
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}
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// DateRange picks a start, then an end; days between dither.
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func DateRange(c *ui.Context, text string, start, end *time.Time, o DateRangeOptions) DateRangeResult {
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home := ui.Box(c)
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st := ui.Local(home, rangeKey{}, func() ranging { return ranging{cur: *start} })
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e, _, picked := month(c, text, &st.cur, o.Disabled, false, func(d time.Time) look {
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day := time.Date(d.Year(), d.Month(), d.Day(), 12, 0, 0, 0, time.UTC)
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from := time.Date(start.Year(), start.Month(), start.Day(), 12, 0, 0, 0, time.UTC)
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to := time.Date(end.Year(), end.Month(), end.Day(), 12, 0, 0, 0, time.UTC)
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return look{chosen: sameDay(d, *start) || sameDay(d, *end), between: day.Compare(from) > 0 && day.Before(to)}
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})
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res := DateRangeResult{Element: e}
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if picked {
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switch d := st.cur; {
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case !st.tail:
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*start, *end = onDay(*start, d), onDay(*end, d)
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case d.Before(*start):
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*start, *end = onDay(*start, d), onDay(*end, *start)
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default:
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*end = onDay(*end, d)
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}
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st.tail, res.Changed = !st.tail, true
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slog.Debug("8bit: date range", "label", text, "start", start.Format("2006-01-02"), "end", end.Format("2006-01-02"))
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}
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return res
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}
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