k9s/internal/ui/logo.go

118 lines
2.3 KiB
Go

package ui
import (
"fmt"
"github.com/gdamore/tcell"
"github.com/derailed/k9s/internal/config"
"github.com/derailed/tview"
)
// Logo represents a K9s logo.
type Logo struct {
*tview.Flex
logo, status *tview.TextView
styles *config.Styles
}
// NewLogo returns a new logo.
func NewLogo(styles *config.Styles) *Logo {
l := Logo{
Flex: tview.NewFlex(),
logo: logo(),
status: status(),
styles: styles,
}
l.SetDirection(tview.FlexRow)
l.AddItem(l.logo, 0, 6, false)
l.AddItem(l.status, 0, 1, false)
l.refreshLogo(styles.Body().LogoColor)
styles.AddListener(&l)
return &l
}
// Logo returns the logo viewer.
func (l *Logo) Logo() *tview.TextView {
return l.logo
}
// Status returns the status viewer.
func (l *Logo) Status() *tview.TextView {
return l.status
}
// StylesChanged notifies the skin changed.
func (l *Logo) StylesChanged(s *config.Styles) {
l.styles = s
l.Reset()
}
// Reset clears out the logo view and resets colors.
func (l *Logo) Reset() {
l.status.Clear()
l.SetBackgroundColor(l.styles.BgColor())
l.status.SetBackgroundColor(l.styles.BgColor())
l.logo.SetBackgroundColor(l.styles.BgColor())
l.refreshLogo(l.styles.Body().LogoColor)
}
// Err displays a log error state.
func (l *Logo) Err(msg string) {
l.update(msg, "red")
}
// Warn displays a log warning state.
func (l *Logo) Warn(msg string) {
l.update(msg, "mediumvioletred")
}
// Info displays a log info state.
func (l *Logo) Info(msg string) {
l.update(msg, "green")
}
func (l *Logo) update(msg, c string) {
l.refreshStatus(msg, c)
l.refreshLogo(c)
}
func (l *Logo) refreshStatus(msg, c string) {
l.status.SetBackgroundColor(config.AsColor(c))
l.status.SetText(fmt.Sprintf("[white::b]%s", msg))
}
func (l *Logo) refreshLogo(c string) {
l.logo.Clear()
for i, s := range LogoSmall {
fmt.Fprintf(l.logo, "[%s::b]%s", c, s)
if i+1 < len(LogoSmall) {
fmt.Fprintf(l.logo, "\n")
}
}
}
func logo() *tview.TextView {
v := tview.NewTextView()
v.SetBackgroundColor(tcell.ColorDefault)
v.SetWordWrap(false)
v.SetWrap(false)
v.SetTextAlign(tview.AlignLeft)
v.SetDynamicColors(true)
return v
}
func status() *tview.TextView {
v := tview.NewTextView()
v.SetBackgroundColor(tcell.ColorDefault)
v.SetWordWrap(false)
v.SetWrap(false)
v.SetTextAlign(tview.AlignCenter)
v.SetDynamicColors(true)
return v
}