86 lines
2.8 KiB
Go
86 lines
2.8 KiB
Go
package dialog
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import (
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"fyne.io/fyne/v2"
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"fyne.io/fyne/v2/container"
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"fyne.io/fyne/v2/theme"
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"fyne.io/fyne/v2/widget"
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)
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// FormDialog is a simple dialog window for displaying FormItems inside a form.
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//
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// Since: 2.4
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type FormDialog struct {
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*dialog
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items []*widget.FormItem
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confirm *widget.Button
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cancel *widget.Button
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}
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// Submit will submit the form and then hide the dialog if validation passes.
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//
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// Since: 2.4
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func (d *FormDialog) Submit() {
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if d.confirm.Disabled() {
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return
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}
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d.hideWithResponse(true)
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}
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// setSubmitState is intended to run when the form validation changes to
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// enable/disable the submit button accordingly.
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func (d *FormDialog) setSubmitState(err error) {
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if err != nil {
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d.confirm.Disable()
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return
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}
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d.confirm.Enable()
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}
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// NewForm creates and returns a dialog over the specified application using
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// the provided FormItems. The cancel button will have the dismiss text set and the confirm button will
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// use the confirm text. The response callback is called on user action after validation passes.
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// If any Validatable widget reports that validation has failed, then the confirm
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// button will be disabled. The initial state of the confirm button will reflect the initial
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// validation state of the items added to the form dialog.
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//
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// Since: 2.0
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func NewForm(title, confirm, dismiss string, items []*widget.FormItem, callback func(bool), parent fyne.Window) *FormDialog {
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form := widget.NewForm(items...)
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d := &dialog{content: form, callback: callback, title: title, parent: parent}
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d.dismiss = &widget.Button{Text: dismiss, Icon: theme.CancelIcon(),
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OnTapped: d.Hide,
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}
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confirmBtn := &widget.Button{Text: confirm, Icon: theme.ConfirmIcon(), Importance: widget.HighImportance,
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OnTapped: func() { d.hideWithResponse(true) },
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}
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formDialog := &FormDialog{
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dialog: d,
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items: items,
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confirm: confirmBtn,
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cancel: d.dismiss,
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}
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formDialog.setSubmitState(form.Validate())
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form.SetOnValidationChanged(formDialog.setSubmitState)
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d.create(container.NewGridWithColumns(2, d.dismiss, confirmBtn))
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return formDialog
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}
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// ShowForm shows a dialog over the specified application using
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// the provided FormItems. The cancel button will have the dismiss text set and the confirm button will
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// use the confirm text. The response callback is called on user action after validation passes.
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// If any Validatable widget reports that validation has failed, then the confirm
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// button will be disabled. The initial state of the confirm button will reflect the initial
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// validation state of the items added to the form dialog.
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// The MinSize() of the CanvasObject passed will be used to set the size of the window.
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//
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// Since: 2.0
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func ShowForm(title, confirm, dismiss string, content []*widget.FormItem, callback func(bool), parent fyne.Window) {
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NewForm(title, confirm, dismiss, content, callback, parent).Show()
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}
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