82 lines
1.9 KiB
Go
82 lines
1.9 KiB
Go
package mujica
|
|
|
|
import (
|
|
"unicode"
|
|
|
|
"github.com/egoist/mygo/ui"
|
|
|
|
"mujicaui/theme"
|
|
)
|
|
|
|
// AvatarOptions configure an Avatar.
|
|
type AvatarOptions struct {
|
|
// Image is the picture; nil falls back to initials, icon.
|
|
Image *ui.Bitmap
|
|
// Size is the diameter in DIPs; zero means 32.
|
|
Size float32
|
|
}
|
|
|
|
// Avatar shows a person as picture, initials or icon.
|
|
func Avatar(c *ui.Context, name string, opts AvatarOptions) *ui.Element {
|
|
size := opts.Size
|
|
if size < 0 {
|
|
panic("mujica: Avatar Size must not be negative")
|
|
}
|
|
if size == 0 {
|
|
size = 32
|
|
}
|
|
k := Tokens(c)
|
|
label := name
|
|
if label == "" {
|
|
label = msg(c, "avatar.unnamed")
|
|
}
|
|
e := ui.Box(c).Size(size, size).Radius(size / 2).Clip().Shrink(0).Center().Role(ui.RoleImage).Label(label)
|
|
initials := avatarInitials(name)
|
|
e.Children(func() {
|
|
switch {
|
|
case opts.Image != nil:
|
|
ui.Image(c, opts.Image).Fit(ui.Cover).Size(size, size)
|
|
case initials != "":
|
|
e.Background(k.Selection).Border(theme.BorderWidth, k.Border)
|
|
ui.Text(c, initials).Font(theme.SerifFont).FontSize(size * avatarInitialsScale(initials)).FontWeight(600).
|
|
TextColor(k.AccentText).SingleLine()
|
|
default:
|
|
e.Background(k.SurfaceHover).Border(theme.BorderWidth, k.Border)
|
|
Icon(c, "user", IconOptions{Size: size * 0.5, Tone: IconMuted})
|
|
}
|
|
})
|
|
return e
|
|
}
|
|
|
|
// avatarInitials returns first letters of first and last words.
|
|
func avatarInitials(name string) string {
|
|
var first, last rune
|
|
inWord := false
|
|
for _, r := range name {
|
|
letter := unicode.IsLetter(r) || unicode.IsDigit(r)
|
|
if letter && !inWord {
|
|
if first == 0 {
|
|
first = unicode.ToUpper(r)
|
|
} else {
|
|
last = unicode.ToUpper(r)
|
|
}
|
|
}
|
|
inWord = letter
|
|
}
|
|
switch {
|
|
case first == 0:
|
|
return ""
|
|
case last == 0:
|
|
return string(first)
|
|
}
|
|
return string([]rune{first, last})
|
|
}
|
|
|
|
// avatarInitialsScale fits two letters inside the circle.
|
|
func avatarInitialsScale(initials string) float32 {
|
|
if len([]rune(initials)) > 1 {
|
|
return 0.34
|
|
}
|
|
return 0.42
|
|
}
|