Files
MujicaUI/chat/date_separator.go
T

72 lines
2.2 KiB
Go

package chat
import (
"fmt"
"time"
"github.com/egoist/mygo/ui"
"github.com/ZacharyZhang-NY/MujicaUI/core"
"github.com/ZacharyZhang-NY/MujicaUI/internal"
"github.com/ZacharyZhang-NY/MujicaUI/theme"
)
// DateSeparatorOptions configure a DateSeparator.
type DateSeparatorOptions struct {
// Today decides "Today" and "Yesterday"; zero uses the window clock.
Today core.Date
}
// DateSeparator marks where a day's messages begin, localized.
func DateSeparator(c *ui.Context, day core.Date, opts DateSeparatorOptions) *ui.Element {
if !day.Valid() {
panic("mujica: DateSeparator needs a valid date")
}
today := opts.Today
if today.IsZero() {
today = core.DateOf(c.Now())
}
k := core.Tokens(c)
u := core.Density(c).Unit()
label := dateSeparatorLabel(c, day, today)
row := ui.Row(c).FillWidth().Gap(u*3).AlignItems(ui.Center).Padding(u*2, 0).Role(ui.RoleText).Label(label)
line := func() {
ui.Box(c).Grow(1).Height(theme.BorderWidth).Background(k.Border)
}
row.Children(func() {
line()
ui.Row(c).Gap(u * 2).AlignItems(ui.Center).Shrink(0).Children(func() {
ui.Box(c).Size(6, 6).Draw(func(p *ui.Painter, r ui.Rect) {
p.FillPath(internal.Diamond(r.X+3, r.Y+3, 6), k.Ornament)
})
ui.Text(c, label).FontSize(core.FontSize(c, theme.CaptionSize)).TextColor(k.TextMuted).SingleLine()
})
line()
})
return row
}
// dateSeparatorLabel names day relative to today, in the window's language.
func dateSeparatorLabel(c *ui.Context, day, today core.Date) string {
switch day {
case today:
return core.Msg(c, "date_separator.today")
case today.AddDays(-1):
return core.Msg(c, "date_separator.yesterday")
}
return fmt.Sprintf(core.Msg(c, "calendar.day_label"), core.Msg(c, fmt.Sprintf("calendar.weekday_long_%d", day.Weekday())),
core.Msg(c, fmt.Sprintf("calendar.month_%d", day.Month)), day.Day, day.Year)
}
// DateSeparatorWhen is a short stamp: time, day or date.
func DateSeparatorWhen(c *ui.Context, t time.Time, today core.Date) string {
day := core.DateOf(t)
if day == today {
return t.Format("15:04")
}
if day == today.AddDays(-1) {
return core.Msg(c, "date_separator.yesterday")
}
return fmt.Sprintf(core.Msg(c, "date_separator.short"), core.Msg(c, fmt.Sprintf("calendar.month_%d", day.Month)), day.Day)
}