func makeExpander(dir string) gwu.Expander {
e := gwu.NewExpander()
e.SetHeader(gwu.NewLabel(dir))
e.Style().SetPaddingLeft("20")
expanderDir[e] = dir
return e
}
func buildExpanderDemo(event gwu.Event) gwu.Comp {
p := gwu.NewPanel()
l := gwu.NewLabel("Click on the Expander's header.")
l.Style().SetColor(gwu.CLR_GREEN)
p.Add(l)
p.AddVSpace(5)
e := gwu.NewExpander()
e.SetHeader(gwu.NewLabel("I'm an Expander."))
e.SetContent(gwu.NewLabel("I'm the content of the Expander."))
p.Add(e)
e.AddEHandlerFunc(func(ev gwu.Event) {
if e.Expanded() {
l.SetText("You expanded it.")
} else {
l.SetText("You collapsed it.")
}
ev.MarkDirty(l)
}, gwu.ETYPE_STATE_CHANGE)
p.AddVSpace(20)
var ee gwu.Expander
for i := 4; i >= 0; i-- {
e2 := gwu.NewExpander()
e2.SetHeader(gwu.NewLabel("I hide embedded expanders. #" + strconv.Itoa(i)))
if i == 4 {
e2.SetContent(gwu.NewLabel("No more."))
} else {
e2.SetContent(ee)
}
ee = e2
}
p.Add(ee)
return p
}