add feature that edit value

gui/gui.go

@@ -3,6 +3,7 @@ package gui
 import (
 	"log"
 
+	"github.com/gdamore/tcell"
 	"github.com/rivo/tview"
 )
 
@@ -23,7 +24,7 @@ func New() *Gui {
 
 func (g *Gui) Run(i interface{}) error {
 	g.Tree.UpdateView(g, i)
-	g.Tree.SetKeybindings()
+	g.Tree.SetKeybindings(g)
 
 	grid := tview.NewGrid().
 		AddItem(g.Tree, 0, 0, 1, 1, 0, 0, true)
@@ -37,3 +38,15 @@ func (g *Gui) Run(i interface{}) error {
 
 	return nil
 }
+
+func (g *Gui) Input(text string, doneFunc func(text string)) {
+	input := tview.NewInputField().SetText(text)
+	input.SetLabel("field:").SetLabelWidth(6).SetDoneFunc(func(key tcell.Key) {
+		if key == tcell.KeyEnter {
+			doneFunc(input.GetText())
+			g.Pages.SendToBack("input")
+		}
+	})
+
+	g.Pages.AddPage("input", input, true, true).SendToFront("input").ShowPage("main")
+}

gui/tree.go

@@ -86,11 +86,11 @@ func (t *Tree) NewNodeWithLiteral(i interface{}) *tview.TreeNode {
 	return node.SetText(text)
 }
 
-func (t *Tree) SetKeybindings() {
+func (t *Tree) SetKeybindings(g *Gui) {
 	t.SetSelectedFunc(func(node *tview.TreeNode) {
-		if len(node.GetChildren()) > 0 {
-			node.SetExpanded(!node.IsExpanded())
-		}
+		g.Input(node.GetText(), func(text string) {
+			node.SetText(text)
+		})
 	})
 
 	t.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {