143 lines
2.7 KiB
Go
143 lines
2.7 KiB
Go
package views
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import (
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"context"
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"fmt"
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"github.com/derailed/tview"
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"github.com/gdamore/tcell"
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"github.com/rs/zerolog/log"
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)
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const (
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helpTitle = "Help"
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helpTitleFmt = " [aqua::b]%s "
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)
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type (
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helpItem struct {
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key, description string
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}
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helpView struct {
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*tview.TextView
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app *appView
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current igniter
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actions keyActions
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}
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)
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func newHelpView(app *appView, current igniter) *helpView {
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v := helpView{
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TextView: tview.NewTextView(),
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app: app,
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actions: make(keyActions),
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}
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v.SetTextColor(tcell.ColorAqua)
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v.SetBorder(true)
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v.SetBorderPadding(0, 0, 1, 1)
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v.SetDynamicColors(true)
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v.SetInputCapture(v.keyboard)
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v.current = current
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v.bindKeys()
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return &v
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}
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func (v *helpView) bindKeys() {
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v.actions = keyActions{
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tcell.KeyEsc: newKeyAction("Back", v.backCmd, true),
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tcell.KeyEnter: newKeyAction("Back", v.backCmd, false),
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}
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}
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func (v *helpView) keyboard(evt *tcell.EventKey) *tcell.EventKey {
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key := evt.Key()
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if key == tcell.KeyRune {
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key = tcell.Key(evt.Rune())
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}
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if a, ok := v.actions[key]; ok {
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log.Debug().Msgf(">> TableView handled %s", tcell.KeyNames[key])
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return a.action(evt)
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}
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return evt
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}
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func (v *helpView) backCmd(evt *tcell.EventKey) *tcell.EventKey {
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v.app.inject(v.current)
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return nil
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}
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func (v *helpView) init(_ context.Context, _ string) {
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v.resetTitle()
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v.showGeneral()
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v.showNav()
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v.showHelp()
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v.app.setHints(v.hints())
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}
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func (v *helpView) showHelp() {
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views := []helpItem{
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{"?", "Help"},
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{"Ctrl-a", "Aliases view"},
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}
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fmt.Fprintf(v, "️️\n😱 [aqua::b]%s\n", "Help")
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for _, h := range views {
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v.printHelp(h.key, h.description)
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}
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}
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func (v *helpView) showNav() {
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navigation := []helpItem{
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{"g", "Goto Top"},
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{"G", "Goto Bottom"},
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{"Ctrl-b", "Page Down"},
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{"Ctrl-f", "Page Up"},
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{"h", "Left"},
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{"l", "Right"},
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{"k", "Up"},
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{"j", "Down"},
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}
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fmt.Fprintf(v, "\n🤖 [aqua::b]%s\n", "View Navigation")
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for _, h := range navigation {
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v.printHelp(h.key, h.description)
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}
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}
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func (v *helpView) showGeneral() {
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general := []helpItem{
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{":<cmd>", "Command mode"},
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{"/<term>", "Filter mode"},
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{"esc", "Clear filter"},
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{"tab", "Next term match"},
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{"backtab", "Previous term match"},
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{"Ctrl-r", "Refresh"},
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{"Shift-i", "Invert Sort"},
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{"p", "Previous resource view"},
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{":q", "Quit"},
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}
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fmt.Fprintf(v, "🏠 [aqua::b]%s\n", "General")
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for _, h := range general {
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v.printHelp(h.key, h.description)
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}
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}
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func (v *helpView) printHelp(key, desc string) {
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fmt.Fprintf(v, "[dodgerblue::b]%9s [white::]%s\n", key, desc)
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}
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func (v *helpView) hints() hints {
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return v.actions.toHints()
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}
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func (v *helpView) getTitle() string {
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return helpTitle
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}
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func (v *helpView) resetTitle() {
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v.SetTitle(fmt.Sprintf(helpTitleFmt, helpTitle))
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}
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