C# DataObjects.ListItem类代码示例

    protected void UpdateShutdownItems()
    {
      ISettingsManager sm = ServiceRegistration.Get<ISettingsManager>();
      List<SystemStateItem> systemStateItems = sm.Load<SystemStateDialogSettings>().ShutdownItemList;

      bool timerActive = false;
      Models.SleepTimerModel stm = ServiceRegistration.Get<IWorkflowManager>().GetModel(Consts.WF_STATE_ID_SLEEP_TIMER_MODEL) as Models.SleepTimerModel;
      if (stm != null && stm.IsSleepTimerActive == true)
      {
        timerActive = true;
      }

      _shutdownItems.Clear();
      if (systemStateItems != null)
      {
        for (int i = 0; i < systemStateItems.Count; i++)
        {
          SystemStateItem systemStateItem = systemStateItems[i];
          if (!systemStateItem.Enabled)
            continue;
          ListItem item = new ListItem(Consts.KEY_NAME, Consts.GetResourceIdentifierForMenuItem(systemStateItem.Action, timerActive));
          item.Command = new MethodDelegateCommand(() => DoAction(systemStateItem.Action));
          _shutdownItems.Add(item);
        }
      }
      _shutdownItems.FireChange();
    }

    public void Select(ListItem item)
    {
      if (item == null)
        return;
      object actionObj;
      object mediaItemObj;
      if (!item.AdditionalProperties.TryGetValue(Consts.KEY_MEDIA_ITEM_ACTION, out actionObj) || !item.AdditionalProperties.TryGetValue(Consts.KEY_MEDIA_ITEM, out mediaItemObj))
        return;

      IMediaItemAction action = actionObj as IMediaItemAction;
      MediaItem mediaItem = mediaItemObj as MediaItem;
      if (action == null || mediaItem == null)
        return;

      try
      {
        ContentDirectoryMessaging.MediaItemChangeType changeType;
        if (action.Process(mediaItem, out changeType) && changeType != ContentDirectoryMessaging.MediaItemChangeType.None)
        {
          ContentDirectoryMessaging.SendMediaItemChangedMessage(mediaItem, changeType);
        }
      }
      catch (Exception ex)
      {
        ServiceRegistration.Get<ILogger>().Error("Error executing MediaItemAction '{0}':", ex, action.GetType());
      }
    }

        public LayoutTypeModel()
        {
            items = new ItemsList();

            ListItem listItem = new ListItem(Consts.KEY_NAME, "List")
            {
                Command = new MethodDelegateCommand(() => UpdateLayout(LayoutType.List))
            };
            listItem.AdditionalProperties[KEY_LAYOUT_TYPE] = LayoutType.List;
            items.Add(listItem);

            ListItem gridItem = new ListItem(Consts.KEY_NAME, "Grid")
            {
                Command = new MethodDelegateCommand(() => UpdateLayout(LayoutType.Icons))
            };
            gridItem.AdditionalProperties[KEY_LAYOUT_TYPE] = LayoutType.Icons;
            items.Add(gridItem);

            ListItem coversItem = new ListItem(Consts.KEY_NAME, "Covers")
            {
                Command = new MethodDelegateCommand(() => UpdateLayout(LayoutType.Cover))
            };
            coversItem.AdditionalProperties[KEY_LAYOUT_TYPE] = LayoutType.Cover;
            items.Add(coversItem);
        }

 protected override void SettingChanged()
 {
   _items.Clear();
   SkinConfigSetting skinSetting = (SkinConfigSetting) _setting;
   foreach (SkinManagement.Skin skin in skinSetting.Skins)
   {
     ListItem skinItem = new ListItem(KEY_NAME, skin.ShortDescription);
     skinItem.SetLabel(KEY_TECHNAME, skin.Name);
     ISkinResourceBundle resourceBundle;
     string preview = skin.GetResourceFilePath(skin.PreviewResourceKey, false, out resourceBundle);
     if (preview == null)
     {
       Theme defaultTheme = skin.DefaultTheme;
       if (defaultTheme != null)
         preview = defaultTheme.GetResourceFilePath(skin.PreviewResourceKey, false, out resourceBundle);
     }
     skinItem.SetLabel(KEY_IMAGESRC, preview);
     _items.Add(skinItem);
     if (skinSetting.CurrentSkinName == skin.Name)
     {
       skinItem.Selected = true;
       _choosenItem = skinItem;
     }
   }
   _items.FireChange();
   base.SettingChanged();
 }

 /// <summary>
 /// this will turn the _users list into the _usersExposed list
 /// </summary>
 private void RefreshUserList()
 {
   IList<IUser> users = ServiceRegistration.Get<IUserService>().GetUsers();
   // clear the exposed users list
   Users.Clear();
   // add users to expose them
   foreach (IUser user in users)
   {
     if (user == null)
     {
       continue;
     }
     ListItem buff = new ListItem();
     buff.SetLabel("UserName", user.UserName);
     buff.SetLabel("UserImage", user.UserImage);
     if (user.NeedsPassword)
     {
       buff.SetLabel("NeedsPassword", "true");
     }
     else
     {
       buff.SetLabel("NeedsPassword", "false");
     }
     buff.SetLabel("LastLogin", user.LastLogin.ToString("G"));
     Users.Add(buff);
   }
   // tell the skin that something might have changed
   Users.FireChange();
 }

    private bool ItemCheckedChanged(int index, ListItem item)
    {
      bool isChecked = (bool) item.AdditionalProperties[Consts.KEY_IS_CHECKED];

      _shutdownItemList[index].Enabled = isChecked;

      return true;
    }

 public static void SelectMovie(ListItem item)
 {
     var t = new Trailer { Title = (string)item.AdditionalProperties[NAME], Url = (string)item.AdditionalProperties[TRAILER] };
     if (t.Url != "")
     {
         CinemaPlayerHelper.PlayStream(t);
     }
 }

 bool IFanartImageSourceProvider.TryCreateFanartImageSource(ListItem listItem, out FanArtImageSource fanartImageSource)
 {
   SeriesFilterItem series = listItem as SeriesFilterItem;
   if (series != null)
   {
     fanartImageSource = new FanArtImageSource
     {
       FanArtMediaType = FanArtMediaTypes.Series,
       FanArtName = series.SimpleTitle
     };
     return true;
   }
   SeriesItem episode = listItem as SeriesItem;
   if (episode != null)
   {
     fanartImageSource = new FanArtImageSource
     {
       FanArtMediaType = FanArtMediaTypes.Series,
       FanArtName = episode.Series
     };
     return true;
   }
   MovieFilterItem movieCollection = listItem as MovieFilterItem;
   if (movieCollection != null)
   {
     fanartImageSource = new FanArtImageSource
     {
       FanArtMediaType = FanArtMediaTypes.MovieCollection,
       FanArtName = movieCollection.SimpleTitle
     };
     return true;
   }
   MovieItem movie = listItem as MovieItem;
   if (movie != null)
   {
     fanartImageSource = new FanArtImageSource
     {
       FanArtMediaType = FanArtMediaTypes.Movie,
       // Fanart loading now depends on the MediaItemId to support local fanart
       FanArtName = movie.MediaItem.MediaItemId.ToString()
     };
     return true;
   }
   VideoItem video = listItem as VideoItem;
   if (video != null)
   {
     fanartImageSource = new FanArtImageSource
     {
       FanArtMediaType = FanArtMediaTypes.Movie,
       // Fanart loading now depends on the MediaItemId to support local fanart
       FanArtName = video.MediaItem.MediaItemId.ToString()
     };
     return true;
   }
   fanartImageSource = null;
   return false;
 }

    private bool MoveItemUp(int index, ListItem item)
    {
      if (index <= 0 || index >= _shutdownItems.Count)
        return false;
      Utilities.CollectionUtils.Swap(_shutdownItemList, index, index - 1);

      _focusedDownButton = -1;
      _focusedUpButton = index - 1;

      UpdateShutdownItems();
      return true;
    }

 protected virtual bool MoveItemDown(int index, ListItem item)
 {
   IPlaylist playlist = _playlist;
   if (playlist == null)
     return false;
   lock (playlist.SyncObj)
   {
     if (index < 0 || index >= playlist.ItemList.Count - 1)
       return false;
     playlist.Swap(index, index + 1);
     return true;
   }
 }

 public PlatformSelectModel()
 {
     items = new ItemsList();
     var platforms = Dropdowns.GetPlatformList();
     for (int i = -1; i < platforms.Count; i++)
     {
         string platformName = i < 0 ? "" : platforms[i].Name;
         ListItem item = new ListItem(Consts.KEY_NAME, platformName)
         {
             Command = new MethodDelegateCommand(() => UpdatePlatform(platformName))
         };
         item.AdditionalProperties[KEY_PLATFORM] = platformName;
         items.Add(item);
     }
 }

        public static void Init()
        {
            items.Clear();
              var oneItemSelected = false;

              foreach (var cd in GoogleMovies.GoogleMovies.Data.List)
              {
            var item = new ListItem();
            item.AdditionalProperties[NAME] = cd.Current.Id;
            item.SetLabel("Name", cd.Current.Name + " - " + cd.Current.Address);
            items.Add(item);
            if (oneItemSelected) continue;
            CinemaHome.SelectCinema(cd.Current.Id);
            oneItemSelected = true;
              }
              items.FireChange();
        }

    public ViewModeModel()
    {
      ViewSettings settings = ServiceRegistration.Get<ISettingsManager>().Load<ViewSettings>();
      _layoutTypeProperty = new WProperty(typeof(LayoutType), settings.LayoutType);
      _layoutSizeProperty = new WProperty(typeof(LayoutSize), settings.LayoutSize);

      ListItem smallList = new ListItem(Consts.KEY_NAME, Consts.RES_SMALL_LIST)
        {
            Command = new MethodDelegateCommand(() => SetViewMode(LayoutType.ListLayout, LayoutSize.Small)),
        };
      smallList.AdditionalProperties[Consts.KEY_LAYOUT_TYPE] = LayoutType.ListLayout;
      smallList.AdditionalProperties[Consts.KEY_LAYOUT_SIZE] = LayoutSize.Small;
      _viewModeItemsList.Add(smallList);

      ListItem mediumlList = new ListItem(Consts.KEY_NAME, Consts.RES_MEDIUM_LIST)
        {
            Command = new MethodDelegateCommand(() => SetViewMode(LayoutType.ListLayout, LayoutSize.Medium))
        };
      mediumlList.AdditionalProperties[Consts.KEY_LAYOUT_TYPE] = LayoutType.ListLayout;
      mediumlList.AdditionalProperties[Consts.KEY_LAYOUT_SIZE] = LayoutSize.Medium;
      _viewModeItemsList.Add(mediumlList);

      ListItem largeList = new ListItem(Consts.KEY_NAME, Consts.RES_LARGE_LIST)
        {
            Command = new MethodDelegateCommand(() => SetViewMode(LayoutType.ListLayout, LayoutSize.Large))
        };
      largeList.AdditionalProperties[Consts.KEY_LAYOUT_TYPE] = LayoutType.ListLayout;
      largeList.AdditionalProperties[Consts.KEY_LAYOUT_SIZE] = LayoutSize.Large;
      _viewModeItemsList.Add(largeList);

      ListItem largeGrid = new ListItem(Consts.KEY_NAME, Consts.RES_LARGE_GRID)
        {
            Command = new MethodDelegateCommand(() => SetViewMode(LayoutType.GridLayout, LayoutSize.Large))
        };
      largeGrid.AdditionalProperties[Consts.KEY_LAYOUT_TYPE] = LayoutType.GridLayout;
      largeGrid.AdditionalProperties[Consts.KEY_LAYOUT_SIZE] = LayoutSize.Large;
      _viewModeItemsList.Add(largeGrid);

      ListItem coverLarge = new ListItem(Consts.KEY_NAME, Consts.RES_LARGE_COVER)
        {
            Command = new MethodDelegateCommand(() => SetViewMode(LayoutType.CoverLayout, LayoutSize.Large))
        };
      coverLarge.AdditionalProperties[Consts.KEY_LAYOUT_TYPE] = LayoutType.CoverLayout;
      coverLarge.AdditionalProperties[Consts.KEY_LAYOUT_SIZE] = LayoutSize.Large;
      _viewModeItemsList.Add(coverLarge);
    }

    private bool TryGetAction(ListItem item, out SystemStateAction action)
    {
      action = SystemStateAction.Suspend;
      if (item == null)
        return false;

      object oIndex;
      if (item.AdditionalProperties.TryGetValue(Consts.KEY_INDEX, out oIndex))
      {
        int? i = oIndex as int?;
        if (i.HasValue)
        {
          action = ShutdownItemList[i.Value].Action;
          return true;
        }
      }
      return false;
    }

 public ViewModeModel()
 {
     startupItems = new ItemsList();
     var startupStates = StartupStateSetting.StartupStates;
     foreach (string key in startupStates.Keys)
     {
         StartupState state = startupStates[key];
         if (state != StartupState.LASTUSED)
         {
             ListItem item = new ListItem(Consts.KEY_NAME, LocalizationHelper.CreateResourceString(key))
             {
                 Command = new MethodDelegateCommand(() => SetStartupState(state))
             };
             item.AdditionalProperties[KEY_STARTUP_STATE] = state;
             startupItems.Add(item);
         }
     }
 }