53 lines
1.6 KiB
Go
53 lines
1.6 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/MujicaUI/core"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/internal"
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)
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// CurrentTimeIndicatorOptions configure a CurrentTimeIndicator.
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type CurrentTimeIndicatorOptions struct {
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// Location is the zone of the day shown; required.
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Location *time.Location
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// Day is the day the parent spans; zero means today.
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Day core.Date
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// Now overrides the clock; zero uses the system clock.
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Now time.Time
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Hour12 bool
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}
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// CurrentTimeIndicator rules the current time across its parent.
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func CurrentTimeIndicator(c *ui.Context, opts CurrentTimeIndicatorOptions) *ui.Element {
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loc := eventLocation("CurrentTimeIndicator", opts.Location)
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k := core.Tokens(c)
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now := opts.Now
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if now.IsZero() {
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now = c.Now()
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c.After(now.Truncate(time.Minute).Add(time.Minute).Sub(now))
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}
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wall := now.In(loc)
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day := opts.Day
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if day.IsZero() {
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day = core.DateOf(wall)
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}
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core.DatetimeCheckDate("CurrentTimeIndicator Day", day)
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e := ui.Box(c).Absolute().Left(0).Top(0).Right(0).Bottom(0).PassThrough()
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if core.DateOf(wall) != day {
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return e.Role(ui.RoleNone)
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}
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frac := float32(wall.Hour()*60+wall.Minute()) / (24 * 60)
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when := timeText(c, TimeOfDay{wall.Hour(), wall.Minute(), 0}, timeConfig{hour12: opts.Hour12})
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e.Role(ui.RoleStatus).Label(fmt.Sprintf(core.Msg(c, "current_time_indicator.label"), when))
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e.Draw(func(p *ui.Painter, r ui.Rect) {
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y := internal.Snap(p, r.Y+r.H*frac)
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p.Line(r.X, y, r.X+r.W, y, 2, k.Danger)
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p.FillPath(internal.Diamond(internal.Snap(p, r.X+4), y, 8), k.Danger)
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})
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return e
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}
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