63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
package gui
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import "log"
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import "errors"
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import "regexp"
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// functions for handling text related GUI elements
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func (n *Node) NewLabel(text string) *Node {
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// make new node here
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newNode := n.New(text)
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newNode.Dump()
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t := n.toolkit.NewLabel(text)
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newNode.toolkit = t
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return newNode
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}
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func (n *Node) SetText(value string) error {
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log.Println("gui.SetText() value =", value)
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panic("redo SetText()")
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return errors.New("nothing found for gui.Node.SetText()")
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}
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/*
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// string handling examples that might be helpful for normalizeInt()
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isAlpha := regexp.MustCompile(`^[A-Za-z]+$`).MatchString
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for _, username := range []string{"userone", "user2", "user-three"} {
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if !isAlpha(username) {
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fmt.Printf("%q is not valid\n", username)
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}
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}
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const alpha = "abcdefghijklmnopqrstuvwxyz"
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func alphaOnly(s string) bool {
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for _, char := range s {
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if !strings.Contains(alpha, strings.ToLower(string(char))) {
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return false
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}
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}
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return true
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}
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*/
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func normalizeInt(s string) string {
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// reg, err := regexp.Compile("[^a-zA-Z0-9]+")
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reg, err := regexp.Compile("[^0-9]+")
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if err != nil {
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log.Println("normalizeInt() regexp.Compile() ERROR =", err)
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return s
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}
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clean := reg.ReplaceAllString(s, "")
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log.Println("normalizeInt() s =", clean)
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return clean
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}
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func (n *Node) GetText() string {
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return n.toolkit.GetText()
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}
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