public void SaveAlbumChanges()
{
AlbumNode aNode = SelectedNode as AlbumNode;
if (aNode == null)
{
PhotoNode pNode = SelectedNode as PhotoNode;
if (pNode != null)
{
aNode = pNode.Parent as AlbumNode;
}
}
if (aNode != null)
{
AlbumManager mgr = aNode.GetManager(true);
if (mgr.Album.HasChanged)
{
mgr.Save();
aNode.RefreshNode();
if (aNode.IsExpanded)
{
foreach (PhotoNode pNode in aNode.Nodes)
{
pNode.RefreshNode();
}
}
}
}
}
private void DisplayPhoto(PhotoNode photoNode)
{
spbxPhoto.Visible = true;
lvAlbumList.Visible = false;
_currentPhoto = photoNode.Photograph;
spbxPhoto.Image = _currentPhoto.Image;
}
private bool ExpandAlbum(AlbumNode node)
{
AlbumManager mgr = node.GetManager(true);
if (mgr != null)
{
BeginUpdate();
try
{
node.Nodes.Clear();
foreach (Photo p in mgr.Album)
{
PhotoNode newNode = new PhotoNode(p);
node.Nodes.Add(newNode);
}
return(true);
}
finally { EndUpdate(); }
}
else
{
return(false);
}
}
internal void SaveAlbumChanges()
{
// Find the album to save
AlbumNode aNode = SelectedNode as AlbumNode;
if (aNode == null)
{
PhotoNode pNode = SelectedNode as PhotoNode;
if (pNode != null)
{
aNode = pNode.Parent as AlbumNode;
}
}
if (aNode != null)
{
AlbumManager mgr = aNode.GetManager(true);
if (mgr.Album.HasChanged)
{
// Save data and update node
mgr.Save();
aNode.RefreshNode();
if (aNode.IsExpanded)
{
// Update photographs, as necessary
foreach (PhotoNode pNode in aNode.Nodes)
{
// Assumes no photos added / deleted
pNode.RefreshNode();
}
}
}
}
}
public void SelectChild(AlbumNode node, Photograph photo)
{
foreach (TreeNode n in node.Nodes)
{
PhotoNode pNode = n as PhotoNode;
if (pNode != null && pNode.Photograph == photo)
{
SelectedNode = n;
break;
}
}
}
protected override void OnAfterLabelEdit(NodeLabelEditEventArgs e)
{
if (string.IsNullOrEmpty(e.Label))
{
e.CancelEdit = true;
return;
}
if (e.Node is AlbumNode)
{
AlbumNode node = e.Node as AlbumNode;
e.CancelEdit = !node.RenameAlbum(e.Label);
}
else if (e.Node is PhotoNode)
{
PhotoNode node = e.Node as PhotoNode;
node.Photograph.Caption = e.Label;
SaveAlbumChanges();
}
}
private void ExpandAlbum(AlbumNode node)
{
AlbumManager mgr = node.GetManager(true);
if (mgr != null)
{
BeginUpdate();
try
{
node.Nodes.Clear();
foreach (Photograph p in mgr.Album)
{
PhotoNode newNode = new PhotoNode(p);
node.Nodes.Add(newNode);
}
}
finally { EndUpdate(); }
}
}
private void DisplayTreeNodeProperties()
{
TreeNode node = atvAlbumTree.SelectedNode;
if (node is AlbumNode)
{
AlbumNode aNode = (AlbumNode)node;
AlbumManager mgr = aNode.GetManager(true);
if (mgr != null)
{
DisplayAlbumProperties(mgr);
}
}
else if (node is PhotoNode)
{
PhotoNode pNode = (PhotoNode)node;
DisplayPhotoProperties(pNode.Photograph);
}
atvAlbumTree.SaveAlbumChanges();
atvAlbumTree.RefreshNode();
}
