439 lines
13 KiB
Go
439 lines
13 KiB
Go
package browsing
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import (
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"fmt"
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"log"
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"sort"
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"strconv"
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"strings"
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"github.com/dweymouth/supersonic/backend"
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"github.com/dweymouth/supersonic/backend/mediaprovider"
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"github.com/dweymouth/supersonic/res"
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"github.com/dweymouth/supersonic/sharedutil"
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"github.com/dweymouth/supersonic/ui/controller"
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"github.com/dweymouth/supersonic/ui/layouts"
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myTheme "github.com/dweymouth/supersonic/ui/theme"
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"github.com/dweymouth/supersonic/ui/util"
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"github.com/dweymouth/supersonic/ui/widgets"
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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/layout"
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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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type PlaylistsPage struct {
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widget.BaseWidget
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pool *util.WidgetPool
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cfg *backend.PlaylistsPageConfig
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contr *controller.Controller
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mp mediaprovider.MediaProvider
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playlists []*mediaprovider.Playlist
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searchedPlaylists []*mediaprovider.Playlist
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viewToggle *widgets.ToggleButtonGroup
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searcher *widgets.SearchEntry
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titleDisp *widget.RichText
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container *fyne.Container
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listView *PlaylistList
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listSort widgets.ListHeaderSort
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gridView *widgets.GridView
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}
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func NewPlaylistsPage(contr *controller.Controller, pool *util.WidgetPool, cfg *backend.PlaylistsPageConfig, mp mediaprovider.MediaProvider) *PlaylistsPage {
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activeView := 0
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if cfg.InitialView == "Grid" {
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activeView = 1
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}
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return newPlaylistsPage(contr, pool, cfg, mp, "", activeView, widgets.ListHeaderSort{})
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}
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func newPlaylistsPage(contr *controller.Controller, pool *util.WidgetPool, cfg *backend.PlaylistsPageConfig, mp mediaprovider.MediaProvider, searchText string, activeView int, listSort widgets.ListHeaderSort) *PlaylistsPage {
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a := &PlaylistsPage{
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pool: pool,
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cfg: cfg,
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mp: mp,
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contr: contr,
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listSort: listSort,
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titleDisp: widget.NewRichTextWithText("Playlists"),
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}
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a.ExtendBaseWidget(a)
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a.titleDisp.Segments[0].(*widget.TextSegment).Style.SizeName = theme.SizeNameHeadingText
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a.searcher = widgets.NewSearchEntry()
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a.searcher.PlaceHolder = "Search page"
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a.searcher.OnSearched = a.onSearched
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a.searcher.Entry.Text = searchText
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a.viewToggle = widgets.NewToggleButtonGroup(0,
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widget.NewButtonWithIcon("", theme.NewThemedResource(res.ResListSvg), a.showListView),
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widget.NewButtonWithIcon("", theme.NewThemedResource(res.ResGridSvg), a.showGridView))
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a.viewToggle.SetActivatedButton(activeView)
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if activeView == 0 {
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a.createListView()
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a.buildContainer(a.listView)
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} else {
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a.createGridView(nil)
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a.buildContainer(a.gridView)
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}
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go a.load(searchText != "")
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return a
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}
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func (a *PlaylistsPage) load(searchOnLoad bool) {
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playlists, err := a.mp.GetPlaylists()
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if err != nil {
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log.Printf("error loading playlists: %v", err.Error())
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}
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a.playlists = playlists
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if searchOnLoad {
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a.onSearched(a.searcher.Entry.Text)
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} else {
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a.refreshView(playlists)
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}
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}
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func (a *PlaylistsPage) createListView() {
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a.listView = NewPlaylistList(a.listSort)
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a.listView.OnNavTo = a.showPlaylistPage
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}
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func (a *PlaylistsPage) createGridView(playlists []*mediaprovider.Playlist) {
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model := createPlaylistGridViewModel(playlists)
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if g := a.pool.Obtain(util.WidgetTypeGridView); g != nil {
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a.gridView = g.(*widgets.GridView)
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a.gridView.Placeholder = myTheme.PlaylistIcon
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a.gridView.ResetFixed(model)
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} else {
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a.gridView = widgets.NewFixedGridView(model, a.contr.App.ImageManager, myTheme.PlaylistIcon)
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}
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a.gridView.OnPlay = func(id string, shuffle bool) {
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go a.contr.App.PlaybackManager.PlayPlaylist(id, 0, shuffle)
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}
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a.gridView.OnAddToQueue = func(id string) {
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go a.contr.App.PlaybackManager.LoadPlaylist(id, true, false)
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}
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a.gridView.OnShowItemPage = a.showPlaylistPage
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a.gridView.OnShowSecondaryPage = nil
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a.gridView.OnAddToPlaylist = func(id string) {
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go func() {
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pl, err := a.contr.App.ServerManager.Server.GetPlaylist(id)
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if err != nil {
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log.Printf("error loading playlist: %s", err.Error())
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return
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}
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a.contr.DoAddTracksToPlaylistWorkflow(sharedutil.TracksToIDs(pl.Tracks))
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}()
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}
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a.gridView.OnDownload = func(id string) {
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go func() {
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pl, err := a.contr.App.ServerManager.Server.GetPlaylist(id)
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if err != nil {
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log.Printf("error loading playlist: %s", err.Error())
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return
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}
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a.contr.ShowDownloadDialog(pl.Tracks, pl.Name)
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}()
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}
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}
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func (a *PlaylistsPage) showListView() {
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a.cfg.InitialView = "List" // save setting
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if a.listView == nil {
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a.createListView()
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if a.searcher.Entry.Text != "" {
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a.listView.SetPlaylists(a.searchedPlaylists)
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} else {
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a.listView.SetPlaylists(a.playlists)
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}
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}
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a.container.Objects[0].(*fyne.Container).Objects[0] = a.listView
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a.container.Objects[0].Refresh()
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}
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func (a *PlaylistsPage) showGridView() {
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a.cfg.InitialView = "Grid" // save setting
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if a.gridView == nil {
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playlists := a.playlists
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if a.searcher.Entry.Text != "" {
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playlists = a.searchedPlaylists
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}
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a.createGridView(playlists)
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}
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a.container.Objects[0].(*fyne.Container).Objects[0] = a.gridView
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a.container.Objects[0].Refresh()
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}
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func createPlaylistGridViewModel(playlists []*mediaprovider.Playlist) []widgets.GridViewItemModel {
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return sharedutil.MapSlice(playlists, func(pl *mediaprovider.Playlist) widgets.GridViewItemModel {
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tracks := "tracks"
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if pl.TrackCount == 1 {
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tracks = "track"
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}
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return widgets.GridViewItemModel{
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Name: pl.Name,
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ID: pl.ID,
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CoverArtID: pl.CoverArtID,
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Secondary: []string{fmt.Sprintf("%d %s", pl.TrackCount, tracks)},
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}
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})
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}
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func (a *PlaylistsPage) showPlaylistPage(id string) {
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a.contr.NavigateTo(controller.PlaylistRoute(id))
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}
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func (a *PlaylistsPage) onSearched(query string) {
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// since the playlist list is returned in full non-paginated, we will do our own
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// simple search based on the name, description, and owner, rather than calling a server API
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var playlists []*mediaprovider.Playlist
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if query == "" {
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a.searchedPlaylists = nil
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playlists = a.playlists
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} else {
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a.searchedPlaylists = sharedutil.FilterSlice(a.playlists, func(p *mediaprovider.Playlist) bool {
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qLower := strings.ToLower(query)
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return strings.Contains(strings.ToLower(p.Name), qLower) ||
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strings.Contains(strings.ToLower(p.Description), qLower) ||
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strings.Contains(strings.ToLower(p.Owner), qLower)
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})
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playlists = a.searchedPlaylists
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}
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a.refreshView(playlists)
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}
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// update the model for both views if initialized,
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// refresh the active view
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func (a *PlaylistsPage) refreshView(playlists []*mediaprovider.Playlist) {
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if a.listView != nil {
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a.listView.SetPlaylists(playlists)
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}
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if a.gridView != nil {
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a.gridView.ResetFixed(createPlaylistGridViewModel(playlists))
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}
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if a.viewToggle.ActivatedButtonIndex() == 0 {
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a.listView.Refresh()
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} else {
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a.gridView.Refresh()
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}
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}
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var _ Searchable = (*PlaylistsPage)(nil)
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func (a *PlaylistsPage) SearchWidget() fyne.Focusable {
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return a.searcher
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}
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func (a *PlaylistsPage) Route() controller.Route {
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return controller.PlaylistsRoute()
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}
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func (a *PlaylistsPage) Reload() {
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go a.load(a.searcher.Entry.Text != "")
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}
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func (a *PlaylistsPage) Save() SavedPage {
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s := &savedPlaylistsPage{
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contr: a.contr,
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pool: a.pool,
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cfg: a.cfg,
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mp: a.mp,
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searchText: a.searcher.Entry.Text,
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activeView: a.viewToggle.ActivatedButtonIndex(),
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}
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if a.gridView != nil {
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a.gridView.Clear()
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a.pool.Release(util.WidgetTypeGridView, a.gridView)
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}
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if a.listView != nil {
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s.listSort = a.listView.sorting
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}
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return s
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}
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type savedPlaylistsPage struct {
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contr *controller.Controller
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pool *util.WidgetPool
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cfg *backend.PlaylistsPageConfig
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mp mediaprovider.MediaProvider
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searchText string
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activeView int
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listSort widgets.ListHeaderSort
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}
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func (s *savedPlaylistsPage) Restore() Page {
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return newPlaylistsPage(s.contr, s.pool, s.cfg, s.mp, s.searchText, s.activeView, s.listSort)
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}
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func (a *PlaylistsPage) buildContainer(initialView fyne.CanvasObject) {
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searchVbox := container.NewVBox(layout.NewSpacer(), a.searcher, layout.NewSpacer())
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a.container = container.New(&layouts.MaxPadLayout{PadLeft: 15, PadRight: 15, PadTop: 5, PadBottom: 15},
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container.NewBorder(
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container.NewHBox(a.titleDisp, container.NewCenter(a.viewToggle), layout.NewSpacer(), searchVbox),
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nil, nil, nil, initialView))
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}
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func (a *PlaylistsPage) CreateRenderer() fyne.WidgetRenderer {
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return widget.NewSimpleRenderer(a.container)
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}
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type PlaylistList struct {
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widget.BaseWidget
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OnNavTo func(string)
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playlistsOrigOrder []*mediaprovider.Playlist
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playlists []*mediaprovider.Playlist
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sorting widgets.ListHeaderSort
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columnsLayout *layouts.ColumnsLayout
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header *widgets.ListHeader
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list *widgets.FocusList
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container *fyne.Container
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}
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func NewPlaylistList(initialSort widgets.ListHeaderSort) *PlaylistList {
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a := &PlaylistList{
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sorting: initialSort,
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columnsLayout: layouts.NewColumnsLayout([]float32{-1, -1, 200, 125}),
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}
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a.buildHeader()
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a.list = widgets.NewFocusList(
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func() int {
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return len(a.playlists)
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},
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func() fyne.CanvasObject {
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r := NewPlaylistListRow(a.columnsLayout)
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r.OnTapped = func() { a.onRowTapped(r.PlaylistID) }
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r.OnFocusNeighbor = func(up bool) {
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a.list.FocusNeighbor(r.ItemID(), up)
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}
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return r
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},
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func(id widget.ListItemID, item fyne.CanvasObject) {
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row := item.(*PlaylistListRow)
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if row.PlaylistID != a.playlists[id].ID {
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row.EnsureUnfocused()
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a.list.SetItemForID(id, row)
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row.ListItemID = id
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row.PlaylistID = a.playlists[id].ID
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row.nameLabel.Text = a.playlists[id].Name
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row.descrptionLabel.Text = a.playlists[id].Description
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row.ownerLabel.Text = a.playlists[id].Owner
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row.trackCountLabel.Text = strconv.Itoa(a.playlists[id].TrackCount)
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row.Refresh()
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}
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},
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)
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a.container = container.NewBorder(a.header, nil, nil, nil, a.list)
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a.ExtendBaseWidget(a)
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return a
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}
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func (p *PlaylistList) buildHeader() {
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p.header = widgets.NewListHeader([]widgets.ListColumn{
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{Text: "Name", Alignment: fyne.TextAlignLeading, CanToggleVisible: false},
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{Text: "Description", Alignment: fyne.TextAlignLeading, CanToggleVisible: false},
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{Text: "Owner", Alignment: fyne.TextAlignLeading, CanToggleVisible: false},
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{Text: "Track Count", Alignment: fyne.TextAlignTrailing, CanToggleVisible: false}}, p.columnsLayout)
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p.header.SetSorting(p.sorting)
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p.header.OnColumnSortChanged = p.onSorted
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}
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// Sets the playlists in the list. Does not issue Refresh call.
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func (p *PlaylistList) SetPlaylists(playlists []*mediaprovider.Playlist) {
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p.playlistsOrigOrder = playlists
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p.doSortPlaylists()
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}
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func (p *PlaylistList) CreateRenderer() fyne.WidgetRenderer {
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return widget.NewSimpleRenderer(p.container)
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}
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func (p *PlaylistList) onRowTapped(id string) {
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if p.OnNavTo != nil {
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p.OnNavTo(id)
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}
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}
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func (p *PlaylistList) onSorted(sort widgets.ListHeaderSort) {
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p.sorting = sort
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p.doSortPlaylists()
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p.Refresh()
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}
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func (p *PlaylistList) doSortPlaylists() {
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if p.sorting.Type == widgets.SortNone {
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p.playlists = p.playlistsOrigOrder
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return
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}
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switch p.sorting.ColNumber {
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case 0: //Name
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p.stringSort(func(p *mediaprovider.Playlist) string { return p.Name })
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case 1: // Description
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p.stringSort(func(p *mediaprovider.Playlist) string { return p.Description })
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case 2: // Owner
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p.stringSort(func(p *mediaprovider.Playlist) string { return p.Owner })
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case 3: // Track Count
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p.intSort(func(p *mediaprovider.Playlist) int { return p.TrackCount })
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}
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}
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func (p *PlaylistList) stringSort(fieldFn func(*mediaprovider.Playlist) string) {
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new := make([]*mediaprovider.Playlist, len(p.playlistsOrigOrder))
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copy(new, p.playlistsOrigOrder)
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sort.SliceStable(new, func(i, j int) bool {
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cmp := strings.Compare(fieldFn(new[i]), fieldFn(new[j]))
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if p.sorting.Type == widgets.SortDescending {
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return cmp > 0
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}
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return cmp < 0
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})
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p.playlists = new
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}
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func (p *PlaylistList) intSort(fieldFn func(*mediaprovider.Playlist) int) {
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new := make([]*mediaprovider.Playlist, len(p.playlistsOrigOrder))
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copy(new, p.playlistsOrigOrder)
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sort.SliceStable(new, func(i, j int) bool {
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if p.sorting.Type == widgets.SortDescending {
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return fieldFn(new[i]) > fieldFn(new[j])
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}
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return fieldFn(new[i]) < fieldFn(new[j])
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})
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p.playlists = new
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}
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type PlaylistListRow struct {
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widgets.FocusListRowBase
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PlaylistID string
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nameLabel *widget.Label
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descrptionLabel *widget.Label
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ownerLabel *widget.Label
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trackCountLabel *widget.Label
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}
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func NewPlaylistListRow(layout *layouts.ColumnsLayout) *PlaylistListRow {
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a := &PlaylistListRow{
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nameLabel: widget.NewLabel(""),
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descrptionLabel: widget.NewLabel(""),
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ownerLabel: widget.NewLabel(""),
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trackCountLabel: widget.NewLabel(""),
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}
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a.trackCountLabel.Alignment = fyne.TextAlignTrailing
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a.ownerLabel.Truncation = fyne.TextTruncateEllipsis
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a.Content = container.New(layout, a.nameLabel, a.descrptionLabel, a.ownerLabel, a.trackCountLabel)
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a.ExtendBaseWidget(a)
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return a
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}
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func (a *PlaylistListRow) Tapped(*fyne.PointEvent) {
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if a.OnTapped != nil {
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a.OnTapped()
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}
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}
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