Files
MujicaUI/usage_quota.go
T

94 lines
3.1 KiB
Go

package mujica
import (
"fmt"
"math"
"time"
"github.com/egoist/mygo/ui"
"mujicaui/icons"
"mujicaui/theme"
)
// QuotaItem is one metered resource: Used of Limit, in Unit.
type QuotaItem struct {
Label string
Used, Limit float64
Unit string
}
// UsageQuotaOptions configure a UsageQuota.
type UsageQuotaOptions struct {
// ResetAt provides the reset timestamp; zero hides it.
ResetAt time.Time
// Warn sets the warning threshold; zero means 0.8.
Warn float64
}
// UsageQuota displays usage bars and reset time.
func UsageQuota(c *ui.Context, items []QuotaItem, opts UsageQuotaOptions) *ui.Element {
warn := opts.Warn
if warn == 0 {
warn = 0.8
}
if warn < 0 || warn > 1 || math.IsNaN(warn) {
panic("mujica: UsageQuota Warn must be between 0 and 1")
}
k := Tokens(c)
d := Density(c)
e := ui.Column(c).Gap(d.Unit() * 4).MinWidth(320)
e.Children(func() {
for i, it := range items {
if it.Label == "" || !(it.Limit > 0) || it.Used < 0 || math.IsNaN(it.Used) || math.IsInf(it.Used, 0) || math.IsInf(it.Limit, 0) {
panic(fmt.Sprintf("mujica: QuotaItem %q needs a Label, a positive Limit and Used of zero or more", it.Label))
}
share := it.Used / it.Limit
col, icon, note := k.AccentText, "", ""
switch {
case share >= 1:
col, icon, note = k.Danger, "circle-x", msg(c, "usage_quota.over")
case share >= warn:
col, icon, note = k.Warning, "triangle-alert", msg(c, "usage_quota.near")
}
amount := fmt.Sprintf(msg(c, "usage_quota.amount"), statisticFormat(it.Used, 0), statisticFormat(it.Limit, 0), it.Unit)
ui.Column(c).Key(i).Gap(d.Unit()).Role(ui.RoleMeter).Label(it.Label).
Description(fmt.Sprintf("%s, %s%% %s", amount, statisticFormat(share*100, 0), note)).Children(func() {
ui.Row(c).Gap(d.Unit() * 2).AlignItems(ui.Center).Children(func() {
ui.Text(c, it.Label).FontWeight(500).Grow(1)
if icon != "" {
ui.Row(c).Gap(d.Unit() / 2).AlignItems(ui.Center).TextColor(col).Children(func() {
ui.Icon(c, icons.Must(icon)).Size(12, 12)
ui.Text(c, note).FontSize(FontSize(c, theme.CaptionSize)).FontWeight(600)
})
}
ui.Text(c, amount).TextColor(k.TextMuted).FontSize(FontSize(c, theme.CaptionSize)).FontFeatures("tnum")
})
ui.Box(c).Height(6).FillWidth().Draw(func(p *ui.Painter, r ui.Rect) {
p.Fill(r, k.SurfaceHover, theme.ControlRadius)
p.Fill(ui.Rect{X: r.X, Y: r.Y, W: r.W * float32(math.Min(1, share)), H: r.H}, col, theme.ControlRadius)
})
})
}
if !opts.ResetAt.IsZero() {
ui.Row(c).Gap(d.Unit()).AlignItems(ui.Center).TextColor(k.TextMuted).Children(func() {
ui.Icon(c, icons.Must("clock")).Size(12, 12)
ui.Text(c, usageQuotaReset(c, opts.ResetAt)).FontSize(FontSize(c, theme.CaptionSize))
})
}
})
return e
}
// usageQuotaReset formats hours or the reset date.
func usageQuotaReset(c *ui.Context, at time.Time) string {
left := at.Sub(c.Now())
switch {
case left <= 0:
return msg(c, "usage_quota.reset_due")
case left < 24*time.Hour:
return fmt.Sprintf(msg(c, "usage_quota.reset_hours"), int(math.Ceil(left.Hours())))
}
return fmt.Sprintf(msg(c, "usage_quota.reset_on"), at.Format("2006-01-02"))
}