new-gui/text.go

68 lines
1.4 KiB
Go

package gui
import "log"
// import "errors"
import "regexp"
// functions for handling text related GUI elements
func (n *Node) NewLabel(text string) *Node {
// make new node here
newNode := n.New(text)
newNode.Dump()
t := n.toolkit.NewLabel(text)
newNode.toolkit = t
return newNode
}
func (n *Node) SetText(str string) bool {
if (Config.Options.DebugChange) {
log.Println("gui.SetText() value =", str)
}
if (n.toolkit == nil) {
return false
}
return n.toolkit.SetText(str)
}
func (n *Node) GetText() string {
return n.toolkit.GetText()
}
/*
// string handling examples that might be helpful for normalizeInt()
isAlpha := regexp.MustCompile(`^[A-Za-z]+$`).MatchString
for _, username := range []string{"userone", "user2", "user-three"} {
if !isAlpha(username) {
fmt.Printf("%q is not valid\n", username)
}
}
const alpha = "abcdefghijklmnopqrstuvwxyz"
func alphaOnly(s string) bool {
for _, char := range s {
if !strings.Contains(alpha, strings.ToLower(string(char))) {
return false
}
}
return true
}
*/
func normalizeInt(s string) string {
// reg, err := regexp.Compile("[^a-zA-Z0-9]+")
reg, err := regexp.Compile("[^0-9]+")
if err != nil {
log.Println("normalizeInt() regexp.Compile() ERROR =", err)
return s
}
clean := reg.ReplaceAllString(s, "")
log.Println("normalizeInt() s =", clean)
return clean
}