/// <summary>
/// 附件列表，单选
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void chkCell_Click(object sender, RoutedEventArgs e)
{
CheckBox box = sender as CheckBox;
bool? isChecked = box.IsChecked;
if (!isChecked.HasValue)
{
return;
}
FileAttachment att = box.DataContext as FileAttachment;
bool checkedState = isChecked.Value;
att.IsChecked = isChecked.Value;
int ischeckCount = AttachmentSources.Count(p => p.IsChecked == true);
if (ischeckCount == AttachmentSources.Count)
{
chkAll.IsChecked = true;
}
else if (ischeckCount == 0)
{
chkAll.IsChecked = false;
}
else
{
this.chkAll.IsChecked = null;
}
}
/// <summary>
/// 上传到服务器指定目录
/// </summary>
/// <param name="ServerPath"></param>
/// <param name="EnclouseFolderPath"></param>
/// <returns></returns>
private void UplodeAttToService(string ServerPath)
{
//获取文件名
string fileName = ServerPath.Substring(ServerPath.LastIndexOf("\\") + 1);
string filePath = System.IO.Path.Combine(FileManageHelper.GetPath(), fileName);
FileStream fs = null;
try
{
WebClient web = new WebClient();
web.Credentials = CredentialCache.DefaultCredentials;
//初始化上传文件 打开读取
fs = new FileStream(ServerPath, FileMode.Open, FileAccess.Read);
if (fs.Length / 1024 / 1024 > 20)
{
MessageBox.Show("上传附件不支持超过20M大小的文件。");
}
else
{
BinaryReader br = new BinaryReader(fs);
byte[] btArray = br.ReadBytes((int)fs.Length);
Stream uplodeStream = web.OpenWrite(filePath, "PUT");
if (uplodeStream.CanWrite)
{
uplodeStream.Write(btArray, 0, btArray.Length);
uplodeStream.Flush();
uplodeStream.Close();
FileAttachment att = new FileAttachment();
att.DataState = DataStateEnum.Added;
att.GUID = System.Guid.NewGuid().ToString();
att.FileGuid = CurrentFile.GUID;
att.AttName = fileName;
att.AttSize = (Int32)fs.Length;
att.AttContent = btArray;
att.UploadData = DateTime.Now.Date;
AttachmentSources.Add(att);
UpdateAttSource();
}
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
if (fs != null)
{
fs.Close();//上传成功后，关闭流
}
}
}
/// <summary>
/// 附件列表删除
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btn_delete_Click(object sender, RoutedEventArgs e)
{
MessageBoxResult result = MessageBox.Show("确认要删除选中项？", "提示", MessageBoxButton.YesNo);
if (result == MessageBoxResult.Yes)
{
if (AttachmentSources != null || AttachmentSources.Count > 0)
{
List <FileAttachment> delatt = AttachmentSources.Where(p => p.IsChecked == true).ToList();
foreach (FileAttachment att in delatt)
{
att.DataState = DataStateEnum.Deleted;
}
UpdateAttSource();
chkAll.IsChecked = false;
}
if (AttachmentSources == null || AttachmentSources.Count == 0)
{
xpsDocViewr.Document = null;
}
}
}
/// <summary>
/// 更新附件数据源
/// </summary>
private void UpdateAttSource()
{
CurrentFile.Attachments = new List <FileAttachment>(AttachmentSources);
dgList.ItemsSource = AttachmentSources.Where(r => r.DataState != DataStateEnum.Deleted);
}
