content: 
  
  
  
  
  
  sub setupNodes()
      m.options = m.top.findNode("options")
      m.itemGrid = m.top.findNode("itemGrid")
      m.voiceBox = m.top.findNode("voiceBox")
      m.backdrop = m.top.findNode("backdrop")
      m.newBackdrop = m.top.findNode("backdropTransition")
      m.emptyText = m.top.findNode("emptyText")
      m.selectedArtistName = m.top.findNode("selectedArtistName")
      m.selectedArtistSongCount = m.top.findNode("selectedArtistSongCount")
      m.selectedArtistAlbumCount = m.top.findNode("selectedArtistAlbumCount")
      m.selectedArtistGenres = m.top.findNode("selectedArtistGenres")
      m.artistLogo = m.top.findNode("artistLogo")
      m.swapAnimation = m.top.findNode("backroundSwapAnimation")
      m.Alpha = m.top.findNode("AlphaMenu")
      m.AlphaSelected = m.top.findNode("AlphaSelected")
      m.micButton = m.top.findNode("micButton")
      m.micButtonText = m.top.findNode("micButtonText")
      m.overhang = m.top.getScene().findNode("overhang")
      m.genreList = m.top.findNode("genrelist")
  end sub
  
  sub init()
      setupNodes()
      m.overhang.isVisible = false
      m.showItemCount = m.global.session.user.settings["itemgrid.showItemCount"]
      m.swapAnimation.observeField("state", "swapDone")
      m.loadedRows = 0
      m.loadedItems = 0
      m.data = CreateObject("roSGNode", "ContentNode")
      m.itemGrid.content = m.data
      m.genreData = CreateObject("roSGNode", "ContentNode")
      m.genreList.observeField("itemSelected", "onGenreItemSelected")
      m.genreList.observeField("itemFocused", "onGenreItemFocused")
      m.genreList.content = m.genreData
      m.itemGrid.observeField("itemFocused", "onItemFocused")
      m.itemGrid.observeField("itemSelected", "onItemSelected")
      m.itemGrid.observeField("alphaSelected", "onItemalphaSelected")
  
      m.voiceBox.voiceEnabled = true
      m.voiceBox.active = true
      m.voiceBox.observeField("text", "onvoiceFilter")
  
      m.voiceBox.hintText = tr("Use voice remote to search")
  
      m.newBackdrop.observeField("loadStatus", "newBGLoaded")
  
      m.queuedBGUri = ""
  
      m.sortField = "SortName"
      m.sortAscending = true
      m.filter = "All"
      m.favorite = "Favorite"
      m.loadItemsTask = createObject("roSGNode", "LoadItemsTask2")
      m.loadLogoTask = createObject("roSGNode", "LoadItemsTask2")
  
      m.loadItemsTask.totalRecordCount = 0
  
      m.resetGrid = m.global.session.user.settings["itemgrid.reset"]
  
      if m.global.device.hasVoiceRemote = false
          m.micButton.visible = false
          m.micButtonText.visible = false
      end if
  end sub
  
  sub OnScreenHidden()
      if not m.overhang.isVisible
          m.overhang.disableMoveAnimation = true
          m.overhang.isVisible = true
          m.overhang.disableMoveAnimation = false
      end if
  end sub
  
  sub OnScreenShown()
      m.overhang.isVisible = false
      if m.top.lastFocus <> invalid
          m.top.lastFocus.setFocus(true)
      else
          m.top.setFocus(true)
      end if
  end sub
  
  
  
  sub loadInitialItems()
      m.loadItemsTask.control = "stop"
      startLoadingSpinner(false)
      if LCase(m.top.parentItem.json.Type) = "collectionfolder"
          m.top.HomeLibraryItem = m.top.parentItem.Id
      end if
      if m.top.parentItem.backdropUrl <> invalid
          SetBackground(m.top.parentItem.backdropUrl)
      else
          SetBackground("")
      end if
      m.sortField = m.global.session.user.settings["display." + m.top.parentItem.Id + ".sortField"]
      m.sortAscending = m.global.session.user.settings["display." + m.top.parentItem.Id + ".sortAscending"]
      m.filter = m.global.session.user.settings["display." + m.top.parentItem.Id + ".filter"]
      m.view = m.global.session.user.settings["display." + m.top.parentItem.Id + ".landing"]
      if not isValid(m.sortField) then
          m.sortField = "SortName"
      end if
      if not isValid(m.filter) then
          m.filter = "All"
      end if
      if not isValid(m.view) then
          m.view = "ArtistsPresentation"
      end if
      if not isValid(m.sortAscending) then
          m.sortAscending = true
      end if
      m.top.showItemTitles = m.global.session.user.settings["itemgrid.gridTitles"]
      if LCase(m.top.parentItem.json.type) = "musicgenre"
          m.itemGrid.translation = "[96, 60]"
          m.loadItemsTask.itemType = "MusicAlbum"
          m.loadItemsTask.recursive = true
          m.loadItemsTask.genreIds = m.top.parentItem.id
          m.loadItemsTask.itemId = m.top.parentItem.parentFolder
      else if LCase(m.view) = "artistspresentation" or LCase(m.options.view) = "artistspresentation"
          m.loadItemsTask.genreIds = ""
          m.top.showItemTitles = "hidealways"
      else if LCase(m.view) = "artistsgrid" or LCase(m.options.view) = "artistsgrid"
          m.loadItemsTask.genreIds = ""
      else if LCase(m.view) = "albumartistsgrid" or LCase(m.options.view) = "albumartistsgrid"
          m.loadItemsTask.genreIds = ""
      else if LCase(m.view) = "albumartistspresentation" or LCase(m.options.view) = "albumartistspresentation"
          m.loadItemsTask.genreIds = ""
          m.top.showItemTitles = "hidealways"
      else
          m.loadItemsTask.itemId = m.top.parentItem.Id
      end if
      m.loadItemsTask.nameStartsWith = m.top.alphaSelected
      m.loadItemsTask.searchTerm = m.voiceBox.text
      m.emptyText.visible = false
      m.loadItemsTask.sortField = m.sortField
      m.loadItemsTask.sortAscending = m.sortAscending
      m.loadItemsTask.filter = m.filter
      m.loadItemsTask.startIndex = 0
  
      if getCollectionType() = "music"
          m.loadItemsTask.itemType = "MusicArtist"
          m.loadItemsTask.itemId = m.top.parentItem.Id
      end if
  
      m.loadItemsTask.view = "Artists"
      m.itemGrid.translation = "[96, 420]"
      m.itemGrid.numRows = "3"
      if LCase(m.options.view) = "albums" or LCase(m.view) = "albums"
          m.itemGrid.translation = "[96, 60]"
          m.itemGrid.numRows = "4"
          m.loadItemsTask.itemType = "MusicAlbum"
          m.top.imageDisplayMode = "scaleToFit"
      else if LCase(m.options.view) = "artistsgrid" or LCase(m.view) = "artistsgrid"
          m.itemGrid.translation = "[96, 60]"
          m.itemGrid.numRows = "4"
      else if LCase(m.options.view) = "albumartistsgrid" or LCase(m.view) = "albumartistsgrid"
          m.loadItemsTask.itemType = "AlbumArtists"
          m.itemGrid.translation = "[96, 60]"
          m.itemGrid.numRows = "4"
      else if LCase(m.options.view) = "albumartistspresentation" or LCase(m.view) = "albumartistspresentation"
          m.loadItemsTask.itemType = "AlbumArtists"
      else if LCase(m.options.view) = "genres" or LCase(m.view) = "genres"
          m.loadItemsTask.itemType = ""
          m.loadItemsTask.recursive = true
          m.loadItemsTask.view = "Genres"
          m.artistLogo.visible = false
          m.selectedArtistName.visible = false
      end if
      if LCase(m.top.parentItem.json.type) = "musicgenre"
          m.itemGrid.translation = "[96, 60]"
          m.itemGrid.numRows = "4"
          m.artistLogo.visible = false
          m.selectedArtistName.visible = false
      end if
      m.loadItemsTask.observeField("content", "ItemDataLoaded")
      m.loadItemsTask.control = "RUN"
      SetUpOptions()
  end sub
  
  
  sub setMusicOptions(options)
      options.views = [
          {
              "Title": tr("Artists (Presentation)")
              "Name": "ArtistsPresentation"
          }
          {
              "Title": tr("Artists (Grid)")
              "Name": "ArtistsGrid"
          }
          {
              "Title": tr("Album Artists (Presentation)")
              "Name": "AlbumArtistsPresentation"
          }
          {
              "Title": tr("Album Artists (Grid)")
              "Name": "AlbumArtistsGrid"
          }
          {
              "Title": tr("Albums")
              "Name": "Albums"
          }
          {
              "Title": tr("Genres")
              "Name": "Genres"
          }
      ]
      if LCase(m.top.parentItem.json.type) = "musicgenre"
          options.views = [
              {
                  "Title": tr("Albums")
                  "Name": "Albums"
              }
          ]
      end if
      options.sort = [
          {
              "Title": tr("TITLE")
              "Name": "SortName"
          }
          {
              "Title": tr("DATE_ADDED")
              "Name": "DateCreated"
          }
          {
              "Title": tr("DATE_PLAYED")
              "Name": "DatePlayed"
          }
          {
              "Title": tr("RELEASE_DATE")
              "Name": "PremiereDate"
          }
      ]
      options.filter = [
          {
              "Title": tr("All")
              "Name": "All"
          }
          {
              "Title": tr("Favorites")
              "Name": "Favorites"
          }
      ]
      if LCase(m.options.view) = "genres" or LCase(m.view) = "genres"
          options.sort = [
              {
                  "Title": tr("TITLE")
                  "Name": "SortName"
              }
          ]
          options.filter = []
      end if
      if LCase(m.options.view) = "albums" or LCase(m.view) = "albums"
          options.sort = [
              {
                  "Title": tr("TITLE")
                  "Name": "SortName"
              }
              {
                  "Title": tr("DATE_ADDED")
                  "Name": "DateCreated"
              }
          ]
      end if
  end sub
  
  
  function getCollectionType() as string
      if m.top.parentItem.collectionType = invalid
          return LCase(m.top.parentItem.Type)
      else
          return LCase(m.top.parentItem.CollectionType)
      end if
  end function
  
  
  function inStringArray(array, searchValue) as boolean
      for each item in array
          if lcase(item) = lcase(searchValue) then
              return true
          end if
      end for
      return false
  end function
  
  
  sub SetUpOptions()
      options = {}
      options.filter = []
      options.favorite = []
      setMusicOptions(options)
  
      for each o in options.views
          if LCase(o.Name) = LCase(m.view)
              o.Selected = true
              o.Ascending = m.sortAscending
              m.options.view = o.Name
          end if
      end for
  
      for each o in options.sort
          if LCase(o.Name) = LCase(m.sortField)
              o.Selected = true
              o.Ascending = m.sortAscending
              m.options.sortField = o.Name
          end if
      end for
  
      for each o in options.filter
          if LCase(o.Name) = LCase(m.filter)
              o.Selected = true
              m.options.filter = o.Name
          end if
      end for
      m.options.options = options
  end sub
  
  
  
  sub LogoImageLoaded(msg)
      data = msg.GetData()
      m.loadLogoTask.unobserveField("content")
      m.loadLogoTask.content = []
      if data.Count() > 0
          m.artistLogo.uri = data[0]
          m.artistLogo.visible = true
      else
          m.selectedArtistName.visible = true
      end if
  end sub
  
  
  
  sub ItemDataLoaded(msg)
      stopLoadingSpinner()
      m.top.alphaActive = false
      itemData = msg.GetData()
      m.loadItemsTask.unobserveField("content")
      m.loadItemsTask.content = []
      if itemData = invalid
          m.Loading = false
          return
      end if
      if LCase(m.loadItemsTask.view) = "genres"
          for each item in itemData
              m.genreData.appendChild(item)
          end for
          m.itemGrid.opacity = "0"
          m.genreList.opacity = "1"
          m.itemGrid.setFocus(false)
          m.genreList.setFocus(true)
          m.loadedItems = m.genreList.content.getChildCount()
          m.loadedRows = m.loadedItems / m.genreList.numColumns
          m.loading = false
          return
      end if
      m.itemGrid.opacity = "1"
      m.genreList.opacity = "0"
      m.itemGrid.setFocus(true)
      m.genreList.setFocus(false)
      for each item in itemData
          m.data.appendChild(item)
      end for
  
      m.loadedItems = m.itemGrid.content.getChildCount()
      m.loadedRows = m.loadedItems / m.itemGrid.numColumns
      m.Loading = false
  
      if m.loadedItems = 0
          m.emptyText.text = tr("NO_ITEMS").Replace("%1", m.top.parentItem.Type)
          m.emptyText.visible = true
      end if
  end sub
  
  
  
  sub SetName(artistName as string)
      m.selectedArtistName.text = artistName
  end sub
  
  
  
  sub SetSongCount(totalCount)
      appendText = " " + tr("Songs")
      if totalCount = 1
          appendText = " " + tr("Song")
      end if
      m.selectedArtistSongCount.text = totalCount.tostr() + appendText
  end sub
  
  
  
  sub SetAlbumCount(totalCount)
      appendText = " " + tr("Albums")
      if totalCount = 1
          appendText = " " + tr("Album")
      end if
      m.selectedArtistAlbumCount.text = totalCount.tostr() + appendText
  end sub
  
  
  
  sub SetGenres(artistGenres)
      m.selectedArtistGenres.text = artistGenres.join(", ")
  end sub
  
  
  
  sub SetBackground(backgroundUri as string)
      if backgroundUri = ""
          m.backdrop.opacity = 0
      end if
  
      if LCase(m.swapAnimation.state) <> "stopped" or LCase(m.newBackdrop.loadStatus) = "loading"
          m.queuedBGUri = backgroundUri
          return
      end if
      m.newBackdrop.uri = backgroundUri
  end sub
  
  
  
  sub onItemFocused()
      focusedRow = m.itemGrid.currFocusRow
      itemInt = m.itemGrid.itemFocused
  
      if itemInt = -1
          return
      end if
      m.artistLogo.visible = false
      m.selectedArtistName.visible = false
      m.selectedArtistGenres.visible = false
      m.selectedArtistSongCount.visible = false
      m.selectedArtistAlbumCount.visible = false
  
      if focusedRow >= m.loadedRows - 5 and m.loadeditems < m.loadItemsTask.totalRecordCount
          loadMoreData()
      end if
      m.selectedFavoriteItem = getItemFocused()
      if LCase(m.options.view) = "albums" or LCase(m.view) = "albums" or LCase(m.top.parentItem.json.type) = "musicgenre"
          return
      end if
      if LCase(m.options.view) = "artistsgrid" or LCase(m.view) = "artistsgrid"
          return
      end if
      if LCase(m.options.view) = "albumartistsgrid" or LCase(m.view) = "albumartistsgrid"
          return
      end if
      if not m.selectedArtistGenres.visible
          m.selectedArtistGenres.visible = true
      end if
      if not m.selectedArtistSongCount.visible
          m.selectedArtistSongCount.visible = true
      end if
      if not m.selectedArtistAlbumCount.visible
          m.selectedArtistAlbumCount.visible = true
      end if
      itemData = m.selectedFavoriteItem.json
      if isValid(itemData.SongCount)
          SetSongCount(itemData.SongCount)
      else
          SetSongCount("")
      end if
      if isValid(itemData.AlbumCount)
          SetAlbumCount(itemData.AlbumCount)
      else
          SetAlbumCount("")
      end if
      if isValid(itemData.Genres)
          SetGenres(itemData.Genres)
      else
          SetGenres([])
      end if
      if isValid(itemData.Name)
          SetName(itemData.Name)
      else
          SetName("")
      end if
      m.loadLogoTask.itemId = itemData.id
      m.loadLogoTask.itemType = "LogoImage"
      m.loadLogoTask.observeField("content", "LogoImageLoaded")
      m.loadLogoTask.control = "RUN"
  
      SetBackground(m.selectedFavoriteItem.backdropUrl)
  end sub
  
  sub setFieldText(field, value)
      node = m.top.findNode(field)
      if node = invalid or value = invalid then
          return
      end if
  
      if type(value) = "roInt" or type(value) = "Integer"
          value = str(value)
      else if type(value) = "roFloat" or type(value) = "Float"
          value = str(value)
      else if type(value) <> "roString" and type(value) <> "String"
          value = ""
      end if
      node.text = value
  end sub
  
  
  
  sub newBGLoaded()
  
      if LCase(m.newBackdrop.loadStatus) = "ready"
          m.swapAnimation.control = "start"
      end if
  end sub
  
  
  
  sub swapDone()
      if LCase(m.swapAnimation.state) = "stopped"
  
          m.backdrop.uri = m.newBackdrop.uri
          m.backdrop.opacity = 1
          m.newBackdrop.opacity = 0
  
          if m.newBackdrop.uri <> m.queuedBGUri and m.queuedBGUri <> ""
              SetBackground(m.queuedBGUri)
              m.queuedBGUri = ""
          end if
      end if
  end sub
  
  
  
  sub loadMoreData()
      if m.Loading = true then
          return
      end if
      startLoadingSpinner(false)
      m.Loading = true
      m.loadItemsTask.startIndex = m.loadedItems
      m.loadItemsTask.observeField("content", "ItemDataLoaded")
      m.loadItemsTask.control = "RUN"
  end sub
  
  
  
  sub onItemSelected()
      m.top.selectedItem = m.itemGrid.content.getChild(m.itemGrid.itemSelected)
  end sub
  
  
  
  function getItemFocused()
      if m.itemGrid.isinFocusChain() and isValid(m.itemGrid.itemFocused)
          return m.itemGrid.content.getChild(m.itemGrid.itemFocused)
      else if m.genreList.isinFocusChain() and isValid(m.genreList.itemFocused)
          return m.genreList.content.getChild(m.genreList.itemFocused)
      end if
      return invalid
  end function
  
  
  
  sub onGenreItemSelected()
      m.top.selectedItem = m.genreList.content.getChild(m.genreList.itemSelected)
  end sub
  
  
  
  sub onGenreItemFocused()
      focusedRow = m.genreList.currFocusRow
  
      if focusedRow >= m.loadedRows - 5 and m.loadeditems < m.loadItemsTask.totalRecordCount
          loadMoreData()
      end if
  end sub
  
  sub onItemalphaSelected()
      if m.top.alphaSelected <> ""
          m.loadedRows = 0
          m.loadedItems = 0
          m.data = CreateObject("roSGNode", "ContentNode")
          m.itemGrid.content = m.data
          m.genreData = CreateObject("roSGNode", "ContentNode")
          m.genreList.content = m.genreData
          m.loadItemsTask.searchTerm = ""
          m.VoiceBox.text = ""
          m.loadItemsTask.nameStartsWith = m.alpha.itemAlphaSelected
          loadInitialItems()
      end if
  end sub
  
  sub onvoiceFilter()
      if m.VoiceBox.text <> ""
          m.loadedRows = 0
          m.loadedItems = 0
          m.data = CreateObject("roSGNode", "ContentNode")
          m.itemGrid.content = m.data
          m.top.alphaSelected = ""
          m.loadItemsTask.NameStartsWith = " "
          m.loadItemsTask.searchTerm = m.voiceBox.text
          m.loadItemsTask.recursive = true
          loadInitialItems()
      end if
  end sub
  
  
  
  sub optionsClosed()
      reload = false
      if m.options.sortField <> m.sortField or m.options.sortAscending <> m.sortAscending
          m.sortField = m.options.sortField
          m.sortAscending = m.options.sortAscending
          reload = true
          sortAscendingStr = "true"
  
          if not m.sortAscending
              sortAscendingStr = "false"
          end if
          set_user_setting("display." + m.top.parentItem.Id + ".sortField", m.sortField)
          set_user_setting("display." + m.top.parentItem.Id + ".sortAscending", sortAscendingStr)
      end if
      if m.options.filter <> m.filter
          m.filter = m.options.filter
          reload = true
          set_user_setting("display." + m.top.parentItem.Id + ".filter", m.options.filter)
      end if
      m.view = m.global.session.user.settings["display." + m.top.parentItem.Id + ".landing"]
      if m.options.view <> m.view
          m.view = m.options.view
          m.top.view = m.view
          set_user_setting("display." + m.top.parentItem.Id + ".landing", m.view)
  
          m.top.alphaSelected = ""
          m.loadItemsTask.NameStartsWith = " "
          m.loadItemsTask.searchTerm = ""
          m.filter = "All"
          m.sortField = "SortName"
          m.sortAscending = true
  
          set_user_setting("display." + m.top.parentItem.Id + ".sortField", m.sortField)
          set_user_setting("display." + m.top.parentItem.Id + ".sortAscending", "true")
          set_user_setting("display." + m.top.parentItem.Id + ".filter", m.filter)
          reload = true
      end if
      if reload
          m.loadedRows = 0
          m.loadedItems = 0
          m.data = CreateObject("roSGNode", "ContentNode")
          m.genreData = CreateObject("roSGNode", "ContentNode")
          m.itemGrid.content = m.data
          m.genreList.content = m.genreData
          loadInitialItems()
      end if
      m.itemGrid.setFocus(m.itemGrid.opacity = 1)
      m.genreList.setFocus(m.genreList.opacity = 1)
  end sub
  
  sub onChannelSelected(msg)
      node = msg.getRoSGNode()
      m.top.lastFocus = lastFocusedChild(node)
      if node.watchChannel <> invalid
  
          m.top.selectedItem = node.watchChannel.clone(false)
      end if
  end sub
  
  function onKeyEvent(key as string, press as boolean) as boolean
      if not press then
          return false
      end if
      if key = "left" and m.voiceBox.isinFocusChain()
          m.itemGrid.setFocus(m.itemGrid.opacity = 1)
          m.genreList.setFocus(m.genreList.opacity = 1)
          m.voiceBox.setFocus(false)
      end if
      if key = "options"
          if m.options.visible = true
              m.options.visible = false
              m.top.removeChild(m.options)
              optionsClosed()
          else
              itemSelected = m.selectedFavoriteItem
              if itemSelected <> invalid
                  m.options.selectedFavoriteItem = itemSelected
              end if
              m.options.visible = true
              m.top.appendChild(m.options)
              m.options.setFocus(true)
          end if
          return true
      else if key = "back"
          if m.options.visible = true
              m.options.visible = false
              optionsClosed()
              return true
          else
              m.global.sceneManager.callfunc("popScene")
              m.loadItemsTask.control = "stop"
              return true
          end if
      else if key = "left"
          if m.itemGrid.isinFocusChain()
              m.top.alphaActive = true
              m.itemGrid.setFocus(false)
              alpha = m.alpha.getChild(0).findNode("Alphamenu")
              alpha.setFocus(true)
              return true
          else if m.genreList.isinFocusChain()
              m.top.alphaActive = true
              m.genreList.setFocus(false)
              alpha = m.alpha.getChild(0).findNode("Alphamenu")
              alpha.setFocus(true)
              return true
          end if
      else if key = "right" and m.Alpha.isinFocusChain()
          m.top.alphaActive = false
          m.Alpha.setFocus(false)
          m.Alpha.visible = true
          m.itemGrid.setFocus(m.itemGrid.opacity = 1)
          m.genreList.setFocus(m.genreList.opacity = 1)
          return true
      else if key = "replay" and m.itemGrid.isinFocusChain()
          if m.resetGrid = true
              m.itemGrid.animateToItem = 0
          else
              m.itemGrid.jumpToItem = 0
          end if
      else if key = "replay" and m.genreList.isinFocusChain()
          if m.resetGrid = true
              m.genreList.animateToItem = 0
          else
              m.genreList.jumpToItem = 0
          end if
          return true
      else if key = "play"
          itemToPlay = getItemFocused()
          if itemToPlay <> invalid
              m.top.quickPlayNode = itemToPlay
              return true
          end if
      end if
      if key = "replay"
          m.loadItemsTask.searchTerm = ""
          m.loadItemsTask.nameStartsWith = ""
          m.voiceBox.text = ""
          m.top.alphaSelected = ""
          m.loadItemsTask.filter = "All"
          m.filter = "All"
          m.data = CreateObject("roSGNode", "ContentNode")
          m.itemGrid.content = m.data
          loadInitialItems()
          return true
      end if
      return false
  end function