k9s/internal/view/details.go

262 lines
6.4 KiB
Go

package view
import (
"context"
"fmt"
"regexp"
"strconv"
"strings"
"github.com/atotto/clipboard"
"github.com/derailed/k9s/internal/config"
"github.com/derailed/k9s/internal/model"
"github.com/derailed/k9s/internal/ui"
"github.com/derailed/tview"
"github.com/gdamore/tcell"
"github.com/rs/zerolog/log"
)
const detailsTitleFmt = "[fg:bg:b] %s([hilite:bg:b]%s[fg:bg:-])[fg:bg:-] "
// Details presents a generic text viewer.
type Details struct {
*tview.TextView
app *App
actions ui.KeyActions
cmdBuff *ui.CmdBuff
title string
category string
backFn ui.ActionHandler
numSelections int
}
// NewDetails returns a details viewer.
func NewDetails(app *App, backFn ui.ActionHandler) *Details {
return &Details{
TextView: tview.NewTextView(),
app: app,
backFn: backFn,
}
}
func (d *Details) Init(ctx context.Context) {
d.app = ctx.Value(ui.KeyApp).(*App)
d.SetScrollable(true)
d.SetWrap(true)
d.SetDynamicColors(true)
d.SetRegions(true)
d.SetBorder(true)
d.SetBorderFocusColor(config.AsColor(d.app.Styles.Frame().Border.FocusColor))
d.SetHighlightColor(tcell.ColorOrange)
d.SetTitleColor(tcell.ColorAqua)
d.SetInputCapture(d.keyboard)
d.bindKeys()
d.cmdBuff = ui.NewCmdBuff('/', ui.FilterBuff)
d.cmdBuff.AddListener(d.app.Cmd())
d.cmdBuff.Reset()
d.SetChangedFunc(func() {
d.app.Draw()
})
}
func (d *Details) Name() string { return "details" }
func (d *Details) Start() {}
func (d *Details) Stop() {}
func (d *Details) bindKeys() {
d.actions = ui.KeyActions{
tcell.KeyBackspace2: ui.NewKeyAction("Erase", d.eraseCmd, false),
tcell.KeyBackspace: ui.NewKeyAction("Erase", d.eraseCmd, false),
tcell.KeyDelete: ui.NewKeyAction("Erase", d.eraseCmd, false),
tcell.KeyEscape: ui.NewKeyAction("Back", d.backCmd, true),
tcell.KeyTab: ui.NewKeyAction("Next Match", d.nextCmd, false),
tcell.KeyBacktab: ui.NewKeyAction("Previous Match", d.prevCmd, false),
tcell.KeyCtrlS: ui.NewKeyAction("Save", d.saveCmd, true),
ui.KeyC: ui.NewKeyAction("Copy", d.cpCmd, false),
}
}
func (d *Details) setCategory(n string) {
d.category = n
}
func (d *Details) keyboard(evt *tcell.EventKey) *tcell.EventKey {
key := evt.Key()
if key == tcell.KeyRune {
if d.cmdBuff.IsActive() {
d.cmdBuff.Add(evt.Rune())
d.refreshTitle()
return nil
}
key = tcell.Key(evt.Rune())
}
if a, ok := d.actions[key]; ok {
log.Debug().Msgf(">> DetailsView handled %s", tcell.KeyNames[key])
return a.Action(evt)
}
return evt
}
func (d *Details) saveCmd(evt *tcell.EventKey) *tcell.EventKey {
if path, err := saveYAML(d.app.Config.K9s.CurrentCluster, d.title, d.GetText(true)); err != nil {
d.app.Flash().Err(err)
} else {
d.app.Flash().Infof("Log %s saved successfully!", path)
}
return nil
}
func (d *Details) cpCmd(evt *tcell.EventKey) *tcell.EventKey {
d.app.Flash().Info("Content copied to clipboard...")
if err := clipboard.WriteAll(d.GetText(true)); err != nil {
d.app.Flash().Err(err)
}
return nil
}
func (d *Details) backCmd(evt *tcell.EventKey) *tcell.EventKey {
if !d.cmdBuff.Empty() {
d.cmdBuff.Reset()
d.search(evt)
return nil
}
d.cmdBuff.Reset()
if d.backFn != nil {
return d.backFn(evt)
}
return evt
}
func (d *Details) eraseCmd(evt *tcell.EventKey) *tcell.EventKey {
if !d.cmdBuff.IsActive() {
return evt
}
d.cmdBuff.Delete()
return nil
}
func (d *Details) activateCmd(evt *tcell.EventKey) *tcell.EventKey {
if !d.app.InCmdMode() {
d.cmdBuff.SetActive(true)
d.cmdBuff.Clear()
return nil
}
return evt
}
func (d *Details) searchCmd(evt *tcell.EventKey) *tcell.EventKey {
if d.cmdBuff.IsActive() && !d.cmdBuff.Empty() {
d.app.Flash().Infof("Searching for %s...", d.cmdBuff)
d.search(evt)
highlights := d.GetHighlights()
if len(highlights) > 0 {
d.Highlight()
} else {
d.Highlight("0").ScrollToHighlight()
}
}
d.cmdBuff.SetActive(false)
return evt
}
func (d *Details) search(evt *tcell.EventKey) {
d.numSelections = 0
log.Debug().Msgf("Searching... %s - %d", d.cmdBuff, d.numSelections)
d.Highlight("")
d.SetText(d.decorateLines(d.GetText(false), d.cmdBuff.String()))
if d.cmdBuff.Empty() {
d.app.Flash().Info("Clearing out search query...")
d.refreshTitle()
return
}
if d.numSelections == 0 {
d.app.Flash().Warn("No matches found!")
return
}
d.app.Flash().Infof("Found <%d> matches! <tab>/<TAB> for next/previous", d.numSelections)
}
func (d *Details) nextCmd(evt *tcell.EventKey) *tcell.EventKey {
highlights := d.GetHighlights()
if len(highlights) == 0 || d.numSelections == 0 {
return evt
}
index, _ := strconv.Atoi(highlights[0])
index = (index + 1) % d.numSelections
if index+1 == d.numSelections {
d.app.Flash().Info("Search hit BOTTOM, continuing at TOP")
}
d.Highlight(strconv.Itoa(index)).ScrollToHighlight()
return nil
}
func (d *Details) prevCmd(evt *tcell.EventKey) *tcell.EventKey {
highlights := d.GetHighlights()
if len(highlights) == 0 || d.numSelections == 0 {
return evt
}
index, _ := strconv.Atoi(highlights[0])
index = (index - 1 + d.numSelections) % d.numSelections
if index == 0 {
d.app.Flash().Info("Search hit TOP, continuing at BOTTOM")
}
d.Highlight(strconv.Itoa(index)).ScrollToHighlight()
return nil
}
// SetActions to handle keyboard inputs
func (d *Details) setActions(aa ui.KeyActions) {
for k, a := range aa {
d.actions[k] = a
}
}
// Hints fetch mmemonic and hints
func (d *Details) Hints() model.MenuHints {
if d.actions != nil {
return d.actions.Hints()
}
return nil
}
func (d *Details) refreshTitle() {
d.setTitle(d.title)
}
func (d *Details) setTitle(t string) {
d.title = t
title := skinTitle(fmt.Sprintf(detailsTitleFmt, d.category, t), d.app.Styles.Frame())
if !d.cmdBuff.Empty() {
title += skinTitle(fmt.Sprintf(ui.SearchFmt, d.cmdBuff.String()), d.app.Styles.Frame())
}
d.SetTitle(title)
}
var (
regionRX = regexp.MustCompile(`\["([a-zA-Z0-9_,;: \-\.]*)"\]`)
escapeRX = regexp.MustCompile(`\[([a-zA-Z0-9_,;: \-\."#]+)\[(\[*)\]`)
)
func (d *Details) decorateLines(buff, q string) string {
rx := regexp.MustCompile(`(?i)` + q)
lines := strings.Split(buff, "\n")
for i, l := range lines {
l = regionRX.ReplaceAllString(l, "")
l = escapeRX.ReplaceAllString(l, "")
if m := rx.FindString(l); len(m) > 0 {
lines[i] = rx.ReplaceAllString(l, fmt.Sprintf(`["%d"]%s[""]`, d.numSelections, m))
d.numSelections++
continue
}
lines[i] = l
}
return strings.Join(lines, "\n")
}