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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 (
"go.wit.com/gui"
"go.wit.com/log"
)
type BasicCombobox struct {
ready bool
progname string
l *gui.Node // label widget
d *gui.Node // dropdown widget
Custom func()
}
func (d *BasicCombobox) String() string {
if !d.Ready() {
return ""
}
return d.d.String()
}
func (d *BasicCombobox) SetText(s string) {
if !d.Ready() {
return
}
d.d.SetText(s)
}
// Returns true if the status is valid
func (d *BasicCombobox) Ready() bool {
if d == nil {
return false
}
return d.ready
}
func (n *BasicCombobox) Hide() {
n.l.Hide()
n.d.Hide()
}
func (n *BasicCombobox) Show() {
n.l.Show()
n.d.Show()
}
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) SetTitle(name string) {
if d == nil {
return
}
if d.d == nil {
return
}
d.d.SetText(name)
}
func (d *BasicCombobox) AddText(s string) {
if !d.Ready() {
return
}
log.Log(GADGETS, "BasicCombobox.Add() =", s)
d.d.AddText(s)
}
func NewBasicCombobox(p *gui.Node, label string) *BasicCombobox {
d := BasicCombobox{
progname: label,
ready: false,
}
// various timeout settings
d.l = p.NewLabel(label)
d.d = p.NewCombobox()
d.d.Custom = func() {
log.Log(GADGETS, "BasicCombobox.Custom() user changed value to =", d.String())
if d.Custom != nil {
d.Custom()
}
}
d.ready = true
return &d
}
|
