132 lines
2.7 KiB
Go
132 lines
2.7 KiB
Go
package uiwidget
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import (
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"math"
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"time"
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"fyne.io/fyne/v2"
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"fyne.io/fyne/v2/theme"
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"fyne.io/fyne/v2/widget"
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xwidget "fyne.io/x/fyne/widget"
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)
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type DateEntry struct {
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widget.Entry
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calendar *xwidget.Calendar
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popUp *widget.PopUp
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OnDateChanged func(time.Time)
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date time.Time
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}
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func NewDateEntry() *DateEntry {
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e := &DateEntry{}
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e.Validator = func(s string) error {
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_, err := time.Parse("02/01/2006", s)
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return err
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}
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e.OnChanged = func(s string) {
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if e.Validate() != nil {
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if e.OnDateChanged != nil {
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time, _ := time.Parse("02/01/2006", s)
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e.OnDateChanged(time)
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}
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}
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}
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e.ExtendBaseWidget(e)
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e.SetDate(time.Now())
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return e
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}
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func (e *DateEntry) CreateRenderer() fyne.WidgetRenderer {
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e.ExtendBaseWidget(e)
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if e.ActionItem == nil {
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e.ActionItem = e.setupDropdown()
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if e.Disabled() {
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e.ActionItem.(fyne.Disableable).Disable()
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}
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}
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return e.Entry.CreateRenderer()
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}
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func (e *DateEntry) Enable() {
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if e.ActionItem != nil {
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e.ActionItem.(fyne.Disableable).Enable()
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}
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e.Entry.Enable()
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}
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func (e *DateEntry) Disable() {
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if e.ActionItem != nil {
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e.ActionItem.(fyne.Disableable).Disable()
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}
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e.Entry.Disable()
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}
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func (e *DateEntry) MinSize() fyne.Size {
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e.ExtendBaseWidget(e)
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return e.Entry.MinSize()
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}
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func (e *DateEntry) Move(pos fyne.Position) {
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e.Entry.Move(pos)
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if e.popUp != nil {
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e.popUp.Move(e.popUpPos())
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}
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}
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func (e *DateEntry) Resize(size fyne.Size) {
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e.Entry.Resize(size)
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if e.popUp != nil {
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e.popUp.Resize(fyne.NewSize(size.Width, e.popUp.Size().Height))
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}
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}
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func (e *DateEntry) SetDate(date time.Time) {
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e.date = date
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e.calendar = xwidget.NewCalendar(date, e.onDateSelected)
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e.SetText(date.Format("02/01/2006"))
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if e.ActionItem == nil {
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e.ActionItem = e.setupDropdown()
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if e.Disabled() {
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e.ActionItem.(fyne.Disableable).Disable()
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}
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}
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}
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func (e *DateEntry) GetDate() time.Time {
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return e.date
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}
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func (e *DateEntry) popUpPos() fyne.Position {
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entryPos := fyne.CurrentApp().Driver().AbsolutePositionForObject(e)
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return entryPos.Add(fyne.NewPos(0, e.Size().Height-theme.InputBorderSize()))
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}
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func (e *DateEntry) setupDropdown() *widget.Button {
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dropdownButton := widget.NewButton("", func() {
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c := fyne.CurrentApp().Driver().CanvasForObject(e)
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e.popUp = widget.NewPopUp(e.calendar, c)
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e.popUp.ShowAtPosition(e.popUpPos())
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e.popUp.Resize(
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fyne.NewSize(
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float32(math.Max(float64(e.Size().Width), float64(e.popUp.MinSize().Width))),
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e.popUp.MinSize().Height))
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})
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dropdownButton.Importance = widget.LowImportance
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dropdownButton.SetIcon(theme.MenuDropDownIcon())
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return dropdownButton
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}
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func (e *DateEntry) onDateSelected(date time.Time) {
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e.date = date
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e.SetText(e.date.Format("02/01/2006"))
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if e.popUp != nil {
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e.popUp.Hide()
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}
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}
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