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|
/*
A Labeled Combobox widget:
-----------------------------
| | |
| Food: | <dropdown> |
| | |
-----------------------------
The user can then edit the dropdown field and type anything into it
*/
package gadgets
import (
"reflect"
"strconv"
"go.wit.com/log"
"go.wit.com/gui/gui"
)
type BasicCombobox struct {
ready bool
name string
parent *gui.Node // parent widget
l *gui.Node // label widget
d *gui.Node // dropdown widget
value string
label string
values map[string]string
Custom func()
}
func (d *BasicCombobox) Get() string {
if ! d.Ready() {return ""}
return d.value
}
// Returns true if the status is valid
func (d *BasicCombobox) Ready() bool {
if d == nil {return false}
return d.ready
}
func (d *BasicCombobox) Enable() {
if d == nil {return}
if d.d == nil {return}
d.d.Enable()
}
func (d *BasicCombobox) Disable() {
if d == nil {return}
if d.d == nil {return}
d.d.Disable()
}
func (d *BasicCombobox) Add(value any) {
if ! d.Ready() {return}
log.Log(INFO, "BasicCombobox.Add() =", value)
var b reflect.Kind
b = reflect.TypeOf(value).Kind()
switch b {
case reflect.Int:
var i int
i = value.(int)
s := strconv.Itoa(i)
if d.values[s] != "added" {
d.values[s] = "added"
d.d.AddDropdownName(s)
}
case reflect.String:
s := value.(string)
if d.values[s] != "added" {
d.values[s] = "added"
d.d.AddDropdownName(s)
}
case reflect.Bool:
if value.(bool) == true {
s := "true"
if d.values[s] != "added" {
d.values[s] = "added"
d.d.AddDropdownName(s)
}
} else {
s := "false"
if d.values[s] != "added" {
d.values[s] = "added"
d.d.AddDropdownName(s)
}
}
default:
}
}
func (d *BasicCombobox) Set(value any) bool {
if ! d.Ready() {return false}
log.Log(INFO, "BasicCombobox.Set() =", value)
var b reflect.Kind
b = reflect.TypeOf(value).Kind()
switch b {
case reflect.Int:
var i int
i = value.(int)
s := strconv.Itoa(i)
d.d.SetText(s)
d.value = s
case reflect.String:
d.d.SetText(value.(string))
d.value = value.(string)
case reflect.Bool:
if value.(bool) == true {
d.d.SetText("true")
d.value = "true"
} else {
d.d.SetText("false")
d.value = "false"
}
default:
return false
}
return true
}
func NewBasicCombobox(p *gui.Node, name string) *BasicCombobox {
d := BasicCombobox {
parent: p,
name: name,
ready: false,
}
// various timeout settings
d.l = p.NewLabel(name)
d.d = p.NewCombobox("")
d.d.Custom = func() {
d.value = d.d.GetText()
log.Warn("BasicCombobox.Custom() user changed value to =", d.value)
if d.Custom != nil {
d.Custom()
}
}
d.values = make(map[string]string)
d.ready = true
return &d
}
|
