private bool hasChanges(PropertiesDialog dialog, DBFile item)
{
if (!dialog.ItemName.Equals(item.Name)) return true;
if (item is PhotoAlbumDB.Entities.Image && item != null)
{
PhotoAlbumDB.Entities.Image img =
item as PhotoAlbumDB.Entities.Image;
if (!dialog.ItemDescription.Equals(img.Description))
{
return true;
}
}
return false;
}
private void Properties_OnClick(System.Object sender, System.EventArgs e)
{
TreeNode selectedNode = MainFormTreeView.GetNodeAt(treeMouseLocation);
if (selectedNode != null && selectedNode.Tag is DBFile)
{
DBFile item = selectedNode.Tag as DBFile;
PropertiesDialog dialog = new PropertiesDialog();
try
{
// fill the properties dialog first
dialog.ItemShared = item.Shared;
dialog.ItemName = item.Name;
dialog.ItemOwner = item.Owner;
dialog.ItemCreated = item.DateModified.ToString();
dialog.ItemSize = item.Size == 0 ?
"0 bytes" : item.Size.ToString("## ### ### ### ### bytes");
if (item is PhotoAlbumDB.Entities.Image && item != null)
{
PhotoAlbumDB.Entities.Image img =
item as PhotoAlbumDB.Entities.Image;
dialog.ItemDescription = img.Description;
}
if (dialog.ShowDialog() == DialogResult.OK &&
hasChanges(dialog, item))
{
item.Name = dialog.ItemName;
if (item is PhotoAlbumDB.Entities.Image && item != null)
{
PhotoAlbumDB.Entities.Image img =
item as PhotoAlbumDB.Entities.Image;
img.Description = dialog.ItemDescription;
}
item.update();
selectedNode.Text = item.Name;
}
dialog.Dispose();
}
catch (ServerInfoException ex)
{
MessageBox.Show(dialog, ex.Message, "Info",
MessageBoxButtons.OK, MessageBoxIcon.Information);
dialog.Dispose();
}
catch (ObjectDBException ex)
{
MessageBox.Show(this, ex.Message, "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
dialog.Dispose();
}
}
}