Ejemplo n.º 1
0
    void ListViewAlbums_ItemInserting(object sender, Telerik.Web.UI.RadListViewCommandEventArgs e)
    {
        Album album = new Album();

        UpdateAlbum(e, album);

        context.Albums.InsertOnSubmit(album);

        RadAsyncUpload uploadAllImages = (e.ListViewItem.FindControl("RadAsyncUpload2") as RadAsyncUpload);

        if (uploadAllImages.UploadedFiles.Count > 0)
        {
            UploadedFile zipFile = uploadAllImages.UploadedFiles[0];
            using (ZipPackage zipPackage = ZipPackage.Open(zipFile.InputStream, FileAccess.Read))
            {
                List <ZipPackageEntry> allEntries = zipPackage.ZipPackageEntries.ToList();
                foreach (ZipPackageEntry entry in allEntries)
                {
                    byte[] imageData = new byte[entry.UncompressedSize];
                    entry.OpenInputStream().Read(imageData, 0, entry.UncompressedSize);

                    DataContext.Image image = new DataContext.Image();
                    image.AlbumID  = album.ID;
                    image.FileName = entry.FileNameInZip;
                    image.Data     = imageData;

                    album.Images.Add(image);
                }
            }
        }

        context.SubmitChanges();
    }
Ejemplo n.º 2
0
    void ImagesListView_ItemCommand(object sender, RadListViewCommandEventArgs e)
    {
        if (e.CommandName == "DownloadAllAsZip")
        {
            RadListViewDataItem item = ListViewAlbums.SelectedItems[0];
            int    parentID          = Convert.ToInt32(item.GetDataKeyValue("ID").ToString());
            string albumName         = item.GetDataKeyValue("Name").ToString();
            List <DataContext.Image> allImagesFromAlbum = (from a in context.Images
                                                           where a.AlbumID == parentID
                                                           select a).ToList();

            MemoryStream memStream = new MemoryStream();

            Package = ZipPackage.Create(memStream);

            foreach (var image in allImagesFromAlbum)
            {
                Stream stream = new MemoryStream(image.Data);
                Package.AddStream(stream, image.FileName);
            }

            Package.Close(false);

            memStream.Position = 0;

            if (memStream != null && memStream.Length > 0)
            {
                Response.Clear();
                Response.AddHeader("content-disposition", "attachment; filename=" + albumName + ".zip");
                Response.ContentType = "application/zip";
                Response.BinaryWrite(memStream.ToArray());
                Response.End();
            }
        }
        if (e.CommandName == "DownloadImage")
        {
            RadListViewDataItem item = e.ListViewItem as RadListViewDataItem;
            int imageID             = Convert.ToInt32(item.GetDataKeyValue("ID").ToString());
            DataContext.Image image = (from i in context.Images
                                       where i.ID == imageID
                                       select i).First();
            byte[] data = image.Data;
            string name = image.FileName;

            if (data != null && data.Length > 0)
            {
                Response.Clear();
                Response.ContentType = "application/octet-stream";
                Response.AddHeader("content-disposition", "attachment; filename=" + name);
                Response.BinaryWrite(data);
                Response.End();
            }
        }
    }
Ejemplo n.º 3
0
    void ImagesListView_ItemDeleting(object sender, RadListViewCommandEventArgs e)
    {
        RadListViewDataItem deletedItem = e.ListViewItem as RadListViewDataItem;
        int imageId = Convert.ToInt32(deletedItem.GetDataKeyValue("ID").ToString());

        DataContext.Image image = (from i in context.Images
                                   where i.ID == imageId
                                   select i).First();

        context.Images.DeleteOnSubmit(image);
        context.SubmitChanges();
    }
Ejemplo n.º 4
0
    void ImagesListView_ItemUpdating(object sender, RadListViewCommandEventArgs e)
    {
        var dataItem = e.ListViewItem as RadListViewDataItem;
        int imageId  = Convert.ToInt32(dataItem.GetDataKeyValue("ID").ToString());

        DataContext.Image image = (from a in context.Images
                                   where a.ID == imageId
                                   select a).First();

        RadAsyncUpload radUpload = (e.ListViewItem.FindControl("RadAsyncUpload1") as RadAsyncUpload);

        if (radUpload.UploadedFiles.Count > 0)
        {
            UploadedFile file = radUpload.UploadedFiles[0];
            byte[]       data = new byte[file.InputStream.Length];
            file.InputStream.Read(data, 0, (int)file.InputStream.Length);

            image.Data = data;

            context.SubmitChanges();
        }
    }
Ejemplo n.º 5
0
    void ListViewAlbums_ItemInserting(object sender, Telerik.Web.UI.RadListViewCommandEventArgs e)
    {
        Album album = new Album();

        UpdateAlbum(e, album);

        context.Albums.InsertOnSubmit(album);

        RadAsyncUpload uploadAllImages = (e.ListViewItem.FindControl("RadAsyncUpload2") as RadAsyncUpload);
        if (uploadAllImages.UploadedFiles.Count > 0)
        {
            UploadedFile zipFile = uploadAllImages.UploadedFiles[0];
            using (ZipPackage zipPackage = ZipPackage.Open(zipFile.InputStream, FileAccess.Read))
            {
                List<ZipPackageEntry> allEntries = zipPackage.ZipPackageEntries.ToList();
                foreach (ZipPackageEntry entry in allEntries)
                {
                    byte[] imageData = new byte[entry.UncompressedSize];
                    entry.OpenInputStream().Read(imageData, 0, entry.UncompressedSize);

                    DataContext.Image image = new DataContext.Image();
                    image.AlbumID = album.ID;
                    image.FileName = entry.FileNameInZip;
                    image.Data = imageData;

                    album.Images.Add(image);
                }
            }
        }

        context.SubmitChanges();
    }