private void _PreviewAttachmentList_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
try
{
if (e.Button == MouseButtons.Right)
{
TreeNode oNode = _PreviewAttachmentList.GetNodeAt(e.X, e.Y);
if (oNode != null)
{
_SelectedPreviewFile = (AttachmentListItem) oNode;
_PreviewAttachmentListContextMenu.Show(_PreviewAttachmentList, new Point(e.X, e.Y));
}
}
}
catch (Exception ex)
{
MessageBox.Show(this, ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// This method loads a listitem attachments.
///
/// In case of a document library, the nature of the list (contains files by itself),
/// this list will always contain a single attachment file.
/// </summary>
/// <param name="spList"></param>
/// <param name="spItemID"></param>
private void LoadPreviewAttachmentList(SP.SPListDefinition spList, int spItemID)
{
_PreviewAttachmentList.Nodes.Clear();
if (spList == null || spItemID == 0)
return;
// extract the attachments linked to the currently selected list item.
DataTable oFilesTable = _ExecContext.SPDatabase.GetListItemAttachmentsList(spList, spItemID, false);
if (oFilesTable != null)
{
// add an item in the treeview for each attachment.
foreach (DataRow oFileRow in oFilesTable.Rows)
{
string sFilename = oFileRow["Filename"].ToString();
string sText = sFilename;
string sAttachmentID = oFileRow["DocID"].ToString();
if (!oFileRow.IsNull("CheckoutDate"))
sText = string.Format("{0} ===> a pending version is available (expand to see)", sFilename);
AttachmentListItem oAttachmentNode = new AttachmentListItem(sText, sFilename, spItemID, spList, sAttachmentID);
_PreviewAttachmentList.Nodes.Add(oAttachmentNode);
//if the file is currently checked out, we display the information
//next to the filename.
if (!oFileRow.IsNull("CheckoutDate"))
{
sText = string.Format("pending version checked-out on: {0:yyyy/MM/dd hh:mm}", oFileRow["CheckoutDate"]);
AttachmentListItem oHistoryNode = new AttachmentListItem(sText, sFilename, spItemID, spList, sAttachmentID, AttachmentListItem.CHECKED_OUT_VERSION);
oAttachmentNode.Nodes.Add(oHistoryNode);
}
// extract the previous versions of the attachment (if any).
DataTable oHistory = _ExecContext.SPDatabase.GetAttachmentHistoryList(spList, sAttachmentID);
foreach (DataRow oHistoryRow in oHistory.Rows)
{
sText = string.Format("v.{0} ({1:yyyy-MM-dd HH:mm:ss})", oHistoryRow["VersionNumber"], oHistoryRow["TimeCreated"]);
string sHistoryFilename = string.Format("{0}-v{1}{2}", System.IO.Path.GetFileNameWithoutExtension(sFilename), oHistoryRow["VersionNumber"], System.IO.Path.GetExtension(sFilename));
AttachmentListItem oHistoryNode = new AttachmentListItem(sText, sHistoryFilename, spItemID, spList, sAttachmentID, Convert.ToInt32(oHistoryRow["VersionNumber"]));
oAttachmentNode.Nodes.Add(oHistoryNode);
}
}
}
}
