forked from TrueCloudLab/frostfs-node
101 lines
2.5 KiB
Go
101 lines
2.5 KiB
Go
package tui
|
|
|
|
import (
|
|
_ "embed"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/gdamore/tcell/v2"
|
|
"github.com/rivo/tview"
|
|
)
|
|
|
|
var (
|
|
//go:embed help-pages/hotkeys.txt
|
|
hotkeysHelpText string
|
|
|
|
//go:embed help-pages/searching.txt
|
|
searchingHelpText string
|
|
)
|
|
|
|
type HelpPage struct {
|
|
*tview.Box
|
|
pages []*tview.TextView
|
|
currentPage int
|
|
|
|
filters []string
|
|
filterHints map[string]string
|
|
}
|
|
|
|
func NewHelpPage(filters []string, hints map[string]string) *HelpPage {
|
|
hp := &HelpPage{
|
|
Box: tview.NewBox(),
|
|
filters: filters,
|
|
filterHints: hints,
|
|
}
|
|
|
|
page := tview.NewTextView().
|
|
SetDynamicColors(true).
|
|
SetText(hotkeysHelpText)
|
|
hp.addPage(page)
|
|
|
|
page = tview.NewTextView().
|
|
SetDynamicColors(true).
|
|
SetText(fmt.Sprintf(searchingHelpText, hp.getFiltersText()))
|
|
hp.addPage(page)
|
|
|
|
return hp
|
|
}
|
|
|
|
func (hp *HelpPage) addPage(page *tview.TextView) {
|
|
hp.pages = append(hp.pages, page)
|
|
}
|
|
|
|
func (hp *HelpPage) getFiltersText() string {
|
|
if len(hp.filters) == 0 {
|
|
return "\t\tNo filters defined.\n"
|
|
}
|
|
|
|
filtersText := strings.Builder{}
|
|
gapSize := 4
|
|
|
|
tagMaxWidth := 3
|
|
for _, filter := range hp.filters {
|
|
tagMaxWidth = max(tagMaxWidth, len(filter))
|
|
}
|
|
filtersText.WriteString("\t\t[yellow::b]Tag")
|
|
filtersText.WriteString(strings.Repeat(" ", gapSize))
|
|
filtersText.WriteString("\tValue[-::-]\n\n")
|
|
|
|
for _, filter := range hp.filters {
|
|
filtersText.WriteString("\t\t")
|
|
filtersText.WriteString(filter)
|
|
filtersText.WriteString(strings.Repeat(" ", tagMaxWidth-len(filter)+gapSize))
|
|
filtersText.WriteString(hp.filterHints[filter])
|
|
filtersText.WriteRune('\n')
|
|
}
|
|
|
|
return filtersText.String()
|
|
}
|
|
|
|
func (hp *HelpPage) Draw(screen tcell.Screen) {
|
|
x, y, width, height := hp.GetInnerRect()
|
|
hp.pages[hp.currentPage].SetRect(x+1, y+1, width-2, height-2)
|
|
hp.pages[hp.currentPage].Draw(screen)
|
|
}
|
|
|
|
func (hp *HelpPage) InputHandler() func(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
|
|
return hp.WrapInputHandler(func(event *tcell.EventKey, _ func(tview.Primitive)) {
|
|
if event.Key() == tcell.KeyEnter {
|
|
hp.currentPage++
|
|
hp.currentPage %= len(hp.pages)
|
|
return
|
|
}
|
|
hp.pages[hp.currentPage].InputHandler()(event, func(tview.Primitive) {})
|
|
})
|
|
}
|
|
|
|
func (hp *HelpPage) MouseHandler() func(action tview.MouseAction, event *tcell.EventMouse, setFocus func(p tview.Primitive)) (consumed bool, capture tview.Primitive) {
|
|
return hp.WrapMouseHandler(func(action tview.MouseAction, event *tcell.EventMouse, _ func(tview.Primitive)) (consumed bool, capture tview.Primitive) {
|
|
return hp.pages[hp.currentPage].MouseHandler()(action, event, func(tview.Primitive) {})
|
|
})
|
|
}
|