tg/panel.go

package tg

// Using the interface and all related is
// deprecated. Use the Paneler interface and function.
type Rowser interface {
	MakeRows(c Context) []ButtonRow
}

type RowserFunc func(c Context) []ButtonRow
func (fn RowserFunc) MakeRows(c Context) []ButtonRow {
	return fn(c)
}

type Paneler interface {
	GetPanelRows(*PanelCompo, Context) []ButtonRow
}

type PanelFunc func(*PanelCompo, Context) []ButtonRow
func (fn PanelFunc) GetPanelRows(
	panel *PanelCompo, c Context,
) []ButtonRow {
	return fn(panel, c)
}

// The type represents the inline panel with
// scrollable via buttons content.
// Can be used for example to show users via SQL and offset
// or something like that.
type PanelCompo struct {
	InlineCompo
	Paneler Paneler
}

// Transform to the panel with dynamic rows.
func (compo *MessageCompo) Panel(
	c Context, // The context to generate the first page of buttons.
	paneler Paneler, // The rows generator.
) *PanelCompo {
	ret := &PanelCompo{}
	ret.Paneler = paneler

	ret.InlineCompo = (*compo.Inline(
		NewKeyboard(
			ret.Paneler.GetPanelRows(ret, c)...,
		).Inline(),
	))
	return ret
}

// Implementing the Updater.
func (panel *PanelCompo) Update(c Context) error {
	panel.Rows = panel.Paneler.GetPanelRows(panel, c)
	return panel.InlineCompo.Update(c)
}