Files
supersonic/ui/widgets/sortchooserbutton.go

101 lines
2.0 KiB
Go

package widgets
import (
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/lang"
"fyne.io/fyne/v2/widget"
"github.com/dweymouth/supersonic/ui/theme"
)
type SortChooserButton struct {
widget.BaseWidget
Sorts []string
AlignLeft bool
OnChanged func(selIndex int)
disabled bool
selectedIndex int
btn *IconButton
}
func NewSortChooserButton(sorts []string, onChanged func(selIdx int)) *SortChooserButton {
s := &SortChooserButton{Sorts: sorts, OnChanged: onChanged}
s.ExtendBaseWidget(s)
return s
}
func (s *SortChooserButton) SelectedIndex() int {
return s.selectedIndex
}
func (s *SortChooserButton) SetSelectedIndex(idx int) {
if idx < 0 || idx > len(s.Sorts)-1 {
return
}
s.selectedIndex = idx
}
func (s *SortChooserButton) Disable() {
if !s.disabled {
s.disabled = true
s.Refresh()
}
}
func (s *SortChooserButton) Enable() {
if s.disabled {
s.disabled = false
s.Refresh()
}
}
func (s *SortChooserButton) Disabled() bool {
return s.disabled
}
func (s *SortChooserButton) Refresh() {
if s.btn != nil {
if s.disabled {
s.btn.Disable()
} else {
s.btn.Enable()
}
}
s.BaseWidget.Refresh()
}
func (s *SortChooserButton) CreateRenderer() fyne.WidgetRenderer {
s.btn = NewIconButton(theme.SortIcon, s.showMenu)
s.btn.SetToolTip(lang.L("Sort"))
return widget.NewSimpleRenderer(s.btn)
}
func (s *SortChooserButton) showMenu() {
m := fyne.NewMenu("")
for i, lbl := range s.Sorts {
_i := i
item := fyne.NewMenuItem(lbl, func() {
s.selectedIndex = _i
if s.OnChanged != nil {
s.OnChanged(_i)
}
})
if i == s.selectedIndex {
item.Checked = true
}
m.Items = append(m.Items, item)
}
btnPos := fyne.CurrentApp().Driver().AbsolutePositionForObject(s)
btnSize := s.Size()
pop := widget.NewPopUpMenu(m, fyne.CurrentApp().Driver().CanvasForObject(s))
menuW := pop.MinSize().Width
if s.AlignLeft {
pop.ShowAtPosition(fyne.NewPos(btnPos.X+btnSize.Width-menuW, btnPos.Y+btnSize.Height))
} else {
pop.ShowAtPosition(fyne.NewPos(btnPos.X, btnPos.Y+btnSize.Height))
}
}