adding playlists page

ui/browsing/playlistspage.go

@@ -0,0 +1,173 @@
+package browsing
+
+import (
+	"log"
+	"strconv"
+	"supersonic/backend"
+	"supersonic/ui/layouts"
+	"supersonic/ui/widgets"
+
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/theme"
+	"fyne.io/fyne/v2/widget"
+	"github.com/dweymouth/go-subsonic"
+)
+
+type PlaylistsPage struct {
+	widget.BaseWidget
+
+	sm        *backend.ServerManager
+	nav       func(Route)
+	titleDisp *widget.RichText
+	container *fyne.Container
+	list      *PlaylistList
+}
+
+func NewPlaylistsPage(sm *backend.ServerManager, nav func(Route)) *PlaylistsPage {
+	a := &PlaylistsPage{
+		sm:        sm,
+		nav:       nav,
+		titleDisp: widget.NewRichTextWithText("Playlists"),
+	}
+	a.ExtendBaseWidget(a)
+	a.titleDisp.Segments[0].(*widget.TextSegment).Style.SizeName = theme.SizeNameHeadingText
+	a.list = NewPlaylistList()
+	a.list.OnNavTo = func(id string) {
+		log.Println("opening playlist", id)
+		//nav(PlaylistRoute(id))
+	}
+	a.buildContainer()
+	go a.loadAsync()
+	return a
+}
+
+func (a *PlaylistsPage) loadAsync() {
+	playlists, err := a.sm.Server.GetPlaylists(nil)
+	if err != nil {
+		log.Printf("error loading playlists: %v", err.Error())
+	}
+	a.list.Playlists = playlists
+	a.list.Refresh()
+}
+
+func (a *PlaylistsPage) Route() Route {
+	return PlaylistsRoute()
+}
+
+func (a *PlaylistsPage) Reload() {
+	go a.loadAsync()
+}
+
+func (a *PlaylistsPage) Save() SavedPage {
+	return &savedPlaylistsPage{
+		sm:  a.sm,
+		nav: a.nav,
+	}
+}
+
+type savedPlaylistsPage struct {
+	sm  *backend.ServerManager
+	nav func(Route)
+}
+
+func (s *savedPlaylistsPage) Restore() Page {
+	return NewPlaylistsPage(s.sm, s.nav)
+}
+
+func (a *PlaylistsPage) buildContainer() {
+	a.container = container.New(&layouts.MaxPadLayout{PadLeft: 15, PadRight: 15, PadTop: 5, PadBottom: 15},
+		container.NewBorder(a.titleDisp, nil, nil, nil, a.list))
+}
+
+func (a *PlaylistsPage) CreateRenderer() fyne.WidgetRenderer {
+	return widget.NewSimpleRenderer(a.container)
+}
+
+type PlaylistList struct {
+	widget.BaseWidget
+
+	Playlists []*subsonic.Playlist
+	OnNavTo   func(string)
+
+	columnsLayout *layouts.ColumnsLayout
+	header        *widgets.ListHeader
+	list          *widget.List
+	container     *fyne.Container
+}
+
+func NewPlaylistList() *PlaylistList {
+	a := &PlaylistList{
+		columnsLayout: layouts.NewColumnsLayout([]float32{-1, -1, 200, 125}),
+	}
+	a.header = widgets.NewListHeader([]string{"Name", "Description", "Owner", "Track Count"}, a.columnsLayout)
+	a.list = widget.NewList(
+		func() int {
+			return len(a.Playlists)
+		},
+		func() fyne.CanvasObject {
+			r := NewPlaylistListRow(a.columnsLayout)
+			r.OnTapped = func() { a.onRowTapped(r.ID) }
+			return r
+		},
+		func(id widget.ListItemID, item fyne.CanvasObject) {
+			row := item.(*PlaylistListRow)
+			row.ID = a.Playlists[id].ID
+			row.nameLabel.Text = a.Playlists[id].Name
+			row.descrptionLabel.Text = a.Playlists[id].Name
+			row.ownerLabel.Text = a.Playlists[id].Owner
+			row.trackCountLabel.Text = strconv.Itoa(a.Playlists[id].SongCount)
+			row.Refresh()
+		},
+	)
+	a.container = container.NewBorder(a.header, nil, nil, nil, a.list)
+	a.ExtendBaseWidget(a)
+	return a
+}
+
+func (p *PlaylistList) CreateRenderer() fyne.WidgetRenderer {
+	return widget.NewSimpleRenderer(p.container)
+}
+
+func (p *PlaylistList) onRowTapped(id string) {
+	if p.OnNavTo != nil {
+		p.OnNavTo(id)
+	}
+}
+
+type PlaylistListRow struct {
+	widget.BaseWidget
+
+	ID       string
+	OnTapped func()
+
+	nameLabel       *widget.Label
+	descrptionLabel *widget.Label
+	ownerLabel      *widget.Label
+	trackCountLabel *widget.Label
+
+	container *fyne.Container
+}
+
+func NewPlaylistListRow(layout *layouts.ColumnsLayout) *PlaylistListRow {
+	a := &PlaylistListRow{
+		nameLabel:       widget.NewLabel(""),
+		descrptionLabel: widget.NewLabel(""),
+		ownerLabel:      widget.NewLabel(""),
+		trackCountLabel: widget.NewLabel(""),
+	}
+	a.ownerLabel.Wrapping = fyne.TextTruncate
+	a.container = container.New(layout, a.nameLabel, a.descrptionLabel, a.ownerLabel, a.trackCountLabel)
+	a.ExtendBaseWidget(a)
+	return a
+}
+
+func (a *PlaylistListRow) Tapped(*fyne.PointEvent) {
+	if a.OnTapped != nil {
+		a.OnTapped()
+	}
+}
+
+func (a *PlaylistListRow) CreateRenderer() fyne.WidgetRenderer {
+	return widget.NewSimpleRenderer(a.container)
+}

ui/browsing/router.go

@@ -51,6 +51,10 @@ func GenresRoute() Route {
 	return Route{Page: Genres}
 }
 
+func PlaylistsRoute() Route {
+	return Route{Page: Playlists}
+}
+
 func ArtistsRoute() Route {
 	return Route{Page: Artists}
 }
@@ -105,6 +109,8 @@ func (r Router) CreatePage(rte Route) Page {
 		return NewGenrePage(rte.Arg, r.App.LibraryManager, r.App.ImageManager, r.OpenRoute)
 	case Genres:
 		return NewArtistsGenresPage(true, r.App.ServerManager, r.OpenRoute)
+	case Playlists:
+		return NewPlaylistsPage(r.App.ServerManager, r.OpenRoute)
 	}
 	return nil
 }

ui/mainwindow.go

@@ -87,6 +87,9 @@ func (m *MainWindow) addNavigationButtons() {
 	m.BrowsingPane.AddNavigationButton(res.ResTheatermasksInvertPng, func() {
 		m.Router.OpenRoute(browsing.GenresRoute())
 	})
+	m.BrowsingPane.AddNavigationButton(res.ResPlaylistInvertPng, func() {
+		m.Router.OpenRoute(browsing.PlaylistsRoute())
+	})
 }
 
 func (m *MainWindow) addShortcuts() {