80 lines
1.4 KiB
Go
80 lines
1.4 KiB
Go
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/*
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A Labeled Dropdown widget:
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-----------------------------
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| Food: | <dropdown> |
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-----------------------------
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This being a 'Basic Dropdown', the dropdown names must be unique
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*/
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package gadgets
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import (
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"go.wit.com/log"
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"go.wit.com/gui/gui"
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)
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type BasicDropdown struct {
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ready bool
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name string
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parent *gui.Node // parent widget
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l *gui.Node // label widget
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d *gui.Node // dropdown widget
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value string
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label string
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Custom func()
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}
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func (d *BasicDropdown) Get() string {
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if ! d.Ready() {return ""}
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return d.d.GetText()
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}
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// Returns true if the status is valid
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func (d *BasicDropdown) Ready() bool {
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if d == nil {return false}
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return d.ready
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}
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func (d *BasicDropdown) Add(value string) {
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if ! d.Ready() {return}
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log.Println("BasicDropdown.Set() =", value)
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d.d.AddDropdownName(value)
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return
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}
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func (d *BasicDropdown) Set(value string) bool {
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if ! d.Ready() {return false}
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log.Println("BasicDropdown.Set() =", value)
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d.l.SetText(value)
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d.value = value
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return true
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}
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func NewBasicDropdown(p *gui.Node, name string) *BasicDropdown {
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d := BasicDropdown {
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parent: p,
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name: name,
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ready: false,
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}
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// various timeout settings
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d.l = p.NewLabel(name)
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d.d = p.NewDropdown("")
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d.d.Custom = func() {
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d.value = d.Get()
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log.Println("BasicDropdown.Custom() user changed value to =", d.value)
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if d.Custom != nil {
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d.Custom()
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}
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}
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d.ready = true
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return &d
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}
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