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view.go
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view.go
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package dialog
import (
"fmt"
"log"
"github.com/jroimartin/gocui"
)
func generateView(g *gocui.Gui, desc string, fill string, coords []int, editable bool) error {
if StringInSlice(desc, views) {
return nil
}
if v, err := g.SetView(desc, coords[0], coords[1], coords[2], coords[3]); err != nil {
if err != gocui.ErrUnknownView {
return err
}
fmt.Fprint(v, fill)
}
view, _ := g.View(desc)
view.Title = desc
view.Wrap = false
view.Autoscroll = true
view.Editable = editable
views = append(views, desc)
idxView++
return nil
}
// GenerateParamsLayout generates CUI to receive params
func GenerateParamsLayout(params map[string]string, command string) {
g, err := gocui.NewGui(gocui.OutputNormal)
if err != nil {
log.Panicln(err)
}
defer g.Close()
g.Highlight = true
g.Cursor = true
g.SelFgColor = gocui.ColorGreen
g.SetManagerFunc(layout)
maxX, maxY := g.Size()
generateView(g, "Command(TAB => Select next, ENTER => Execute command):",
command, []int{maxX / 10, maxY / 10, (maxX / 2) + (maxX / 3), maxY/10 + 5}, false)
idx := 0
for k, v := range params {
generateView(g, k, v, []int{maxX / 10, (maxY / 4) + (idx+1)*layoutStep,
maxX/10 + 20, (maxY / 4) + 2 + (idx+1)*layoutStep}, true)
idx++
}
initKeybindings(g)
curView = 0
g.SetCurrentView(views[0])
if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
log.Panicln(err)
}
}
func nextView(g *gocui.Gui) error {
next := curView + 1
if next > len(views)-1 {
next = 0
}
if _, err := g.SetCurrentView(views[next]); err != nil {
return err
}
curView = next
return nil
}
func initKeybindings(g *gocui.Gui) error {
if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
return err
}
if err := g.SetKeybinding("", gocui.KeyEnter, gocui.ModNone, evaluateParams); err != nil {
return err
}
if err := g.SetKeybinding("", gocui.KeyTab, gocui.ModNone,
func(g *gocui.Gui, v *gocui.View) error {
return nextView(g)
}); err != nil {
return err
}
return nil
}
func layout(g *gocui.Gui) error {
return nil
}
func quit(_ *gocui.Gui, _ *gocui.View) error {
return gocui.ErrQuit
}