private void InitPhotos()
{
photoDs = new PhotosDataSource {
HttpFactory = HttpFactory
};
photoOp = new GridOptions
{
Datasource = photoDs,
EnablePagination = true,
PaginationPageSize = 20,
SuppressRowDeselection = true,
RowModelType = RowModelType.Infinite,
RowSelection = RowSelection.Multiple,
SuppressCellSelection = true,
EnableBrowserTooltips = true
};
photoEv = new GridEvents
{
SelectionChanged = (Action <RowNode[]>)(nodes =>
{
Console.WriteLine("Photo Selected: " + (nodes?.Length == 0
? "none" : string.Join(",", nodes.Select(n => n.Id))));
if ((nodes?.Length ?? 0) == 0)
{
thumbnails = null;
}
else
{
var opts = new System.Text.Json.JsonSerializerOptions
{
PropertyNameCaseInsensitive = true,
};
var photos = System.Text.Json.JsonSerializer.Deserialize <Photo[]>(
System.Text.Json.JsonSerializer.Serialize(
nodes.Select(n => n.Data), opts), opts);
thumbnails = photos.Select(p => p.ThumbnailUrl);
}
StateHasChanged();
}),
};
}
private async Task InitAlbums()
{
albumDs = new AlbumsDataSource {
HttpFactory = HttpFactory
};
albumOp = new GridOptions
{
Datasource = albumDs,
EnablePagination = true,
SuppressRowDeselection = true,
RowModelType = RowModelType.Infinite,
RowSelection = RowSelection.Multiple,
SuppressCellSelection = true,
ColumnDefinitions = new[]
{
new ColumnDefinition
{
HeaderName = "ID",
Field = "id",
IsResizable = true,
IsSortable = true,
CellRenderer = "funcColorCellRenderer",
CellRendererParams = new { color = "red" }
},
new ColumnDefinition
{
HeaderName = "User ID",
Field = "userId",
IsResizable = true,
IsSortable = true,
CellRenderer = "ClassColorCellRenderer",
CellRendererParams = new { color = "cyan" }
},
new ColumnDefinition
{
HeaderName = "Title",
Field = "title",
IsResizable = true,
IsSortable = true
},
}
};
albumEv = new GridEvents
{
SelectionChanged = (Action <RowNode[]>)(nodes =>
{
var sel = nodes?.Select(n => n.Id).ToArray();
Console.WriteLine("Album Selected: " + string.Join(",", sel));
var prevCount = photoDs.AlbumIds?.Length ?? 0;
photoDs.AlbumIds = sel;
_ = Task.Run(async() =>
{
try
{
// This seems to be necessary if the DS produced no
// rows previously, otherwise the grid doesn't update
if (prevCount == 0)
{
await photoGrid.Api.SetDatasource();
}
else
{
await photoGrid.Api.PurgeInfiniteCache();
}
}
catch (Exception ex)
{
Console.WriteLine("Failed to update DS: " + ex.ToString());
}
});
}),
};
//var module = await Module;
}
