Files
MujicaUI/timeline.go
T

116 lines
3.1 KiB
Go

package mujica
import (
"github.com/egoist/mygo/ui"
"mujicaui/icons"
"mujicaui/internal"
"mujicaui/theme"
)
// TimelineStatus marks an event's state with a shape and a word, not only color.
type TimelineStatus int
const (
TimelineDefault TimelineStatus = iota
TimelineDone
TimelineActive
TimelineWarning
TimelineError
)
// TimelineItem is one event of a Timeline.
type TimelineItem struct {
Time string
Title string
Content string
Status TimelineStatus
}
// Timeline lists events top to bottom with markers joined by a line; long text wraps.
func Timeline(c *ui.Context, items []TimelineItem) *ui.Element {
k := Tokens(c)
u := Density(c).Unit()
return ui.Column(c).Role(ui.RoleList).Children(func() {
for i, it := range items {
last := i == len(items)-1
ui.Row(c).Gap(u * 3).AlignItems(ui.Stretch).Role(ui.RoleListItem).Children(func() {
ui.Column(c).Width(20).Shrink(0).AlignItems(ui.Center).Children(func() {
timelineMarker(c, it.Status)
if !last {
ui.Box(c).Width(1).Grow(1).MinHeight(u * 3).Background(k.Border)
}
})
ui.Column(c).Grow(1).MinWidth(0).Gap(u).Padding(0, 0, u*5, 0).Children(func() {
ui.Row(c).Gap(u * 2).AlignItems(ui.Center).Wrap().Children(func() {
if it.Time != "" {
ui.Text(c, it.Time).FontSize(FontSize(c, theme.CaptionSize)).TextColor(k.TextMuted)
}
if w := timelineWord(c, it.Status); w != "" {
ui.Text(c, w).FontSize(FontSize(c, theme.CaptionSize)).TextColor(timelineColor(k, it.Status)).FontWeight(600)
}
})
if it.Title != "" {
ui.Text(c, it.Title).FontWeight(600)
}
if it.Content != "" {
ui.Text(c, it.Content).TextColor(k.TextMuted)
}
})
})
}
})
}
func timelineColor(k theme.Tokens, s TimelineStatus) ui.Color {
switch s {
case TimelineDone:
return k.Success
case TimelineActive:
return k.AccentText
case TimelineWarning:
return k.Warning
case TimelineError:
return k.Danger
}
return k.TextMuted
}
func timelineWord(c *ui.Context, s TimelineStatus) string {
switch s {
case TimelineDone:
return msg(c, "timeline.done")
case TimelineActive:
return msg(c, "timeline.active")
case TimelineWarning:
return msg(c, "timeline.warning")
case TimelineError:
return msg(c, "timeline.error")
}
return ""
}
// timelineMarker draws a hollow diamond, or a status icon.
func timelineMarker(c *ui.Context, s TimelineStatus) {
k := Tokens(c)
col := timelineColor(k, s)
box := ui.Box(c).Size(20, 20).Shrink(0).Center().TextColor(col)
switch s {
case TimelineDone:
box.Children(func() { ui.Icon(c, icons.Must("circle-check")).Size(18, 18) })
case TimelineWarning:
box.Children(func() { ui.Icon(c, icons.Must("triangle-alert")).Size(18, 18) })
case TimelineError:
box.Children(func() { ui.Icon(c, icons.Must("circle-x")).Size(18, 18) })
default:
box.Draw(func(p *ui.Painter, r ui.Rect) {
cx, cy := internal.Snap(p, r.X+r.W/2), internal.Snap(p, r.Y+r.H/2)
if s == TimelineActive {
p.FillPath(internal.Diamond(cx, cy, 12), col)
} else {
p.StrokePath(internal.Diamond(cx, cy, 11), 1.5, col)
}
})
}
}