public void RemoveNode (TreeDataNode node)
{
if (_children.Contains (node)) {
_children.Remove(node);
node._parent = null;
}
}
public void RemoveNode(TreeDataNode node)
{
if (_children.Contains(node))
{
_children.Remove(node);
node._parent = null;
}
}
public override int GetChildrenCount(NSOutlineView outlineView, NSObject item)
{
if (item is TreeDataNode)
{
TreeDataNode nodeItem = item as TreeDataNode;
return(nodeItem.Nodes.Count);
}
return(_nodes.Count);
}
public override bool ItemExpandable(NSOutlineView outlineView, NSObject item)
{
TreeDataNode nodeItem = item as TreeDataNode;
if (nodeItem != null)
{
return(nodeItem.HasChildren);
}
return(false);
}
public override NSObject GetChild(NSOutlineView outlineView, int childIndex, NSObject ofItem)
{
TreeDataNode nodeItem = ofItem as TreeDataNode;
if (nodeItem != null)
{
return(nodeItem.Nodes [childIndex]);
}
return(Nodes[childIndex]);
}
public override NSObject GetObjectValue(NSOutlineView outlineView, NSTableColumn forTableColumn, NSObject byItem)
{
TreeDataNode nodeItem = byItem as TreeDataNode;
if (nodeItem == null)
{
return(null);
}
return((NSString)nodeItem.CombinedName);
}
private void DeleteNode (TreeDataNode node)
{
if (node == null)
return;
if (!node.Data.CanDeleteNode)
return;
if (node.Data.DeleteNode()) {
UpdateUI(node.Parent.Data);
//UpdateNodeText(node.Parent);
TreeDataNode parent = node.Parent;
node.Remove();
_mainOutlineView.ReloadItem(parent, true);
}
}
private void RenameNode (TreeDataNode node)
{
if (node == null)
return;
if (!node.Data.CanRenameNode)
return;
if (node.Data.RenameNode()) {
//node.Text = dataNode.NodeDisplay;
UpdateUI(node.Data);
}
}
private void EditNode (TreeDataNode node)
{
if (node == null)
return;
if (!node.Data.CanEditNode)
return;
if (node.Data.EditNode()) {
//node.Text = node.Data.NodeDisplay;
UpdateUI(node.Data);
}
}
private void PasteNode (TreeDataNode node)
{
if (node == null)
return;
if (!node.Data.CanPasteIntoNode)
return;
if (node.Data.PasteNode()) {
//node.Text = dataNode.NodeDisplay;
RefreshChildNodes(node, node.Data);
UpdateUI(node.Data);
}
}
private void CutNode (TreeDataNode node)
{
if (node == null)
return;
if (!node.Data.CanCutNode)
return;
if (node.Data.CutNode()) {
TreeDataNode parent = node.Parent;
UpdateUI(parent.Data);
node.Remove();
_mainOutlineView.ReloadItem(parent, true);
}
}
public void AddNode (TreeDataNode node)
{
node._parent = this;
_children.Add(node);
}
private void RefreshChildNodes (TreeDataNode node, DataNode dataNode)
{
Dictionary<DataNode, TreeDataNode> currentNodes = new Dictionary<DataNode, TreeDataNode>();
foreach (TreeDataNode child in node.Nodes) {
currentNodes.Add(child.Data, child);
}
node.Nodes.Clear();
foreach (DataNode child in dataNode.Nodes) {
if (!currentNodes.ContainsKey(child))
node.Nodes.Add(new TreeDataNode(child));
else
node.Nodes.Add(currentNodes[child]);
}
//foreach (TreeDataNode child in node.Nodes)
// child.ContextMenuStrip = BuildNodeContextMenu(child.Tag as DataNode);
if (node.Nodes.Count == 0 && dataNode.HasUnexpandedChildren) {
ExpandNode(node);
_mainOutlineView.ExpandItem(node);
//node.Expand();
}
_mainOutlineView.ReloadItem(node, true);
}
private void CollapseNode (TreeDataNode node)
{
if (node == null || !node.IsExpanded)
return;
//Console.WriteLine("Collapse Node: " + node.Data.NodeDisplay);
DataNode backNode = node.Data;
if (backNode.IsModified)
return;
backNode.Collapse();
node.IsExpanded = false;
node.Nodes.Clear();
}
private void ExpandNode (TreeDataNode node)
{
if (node == null || node.IsExpanded)
return;
//Console.WriteLine ("Expand Node: " + node.Data.NodeDisplay);
node.IsExpanded = true;
node.Nodes.Clear ();
DataNode backNode = node.Data;
if (!backNode.IsExpanded) {
backNode.Expand ();
}
foreach (DataNode child in backNode.Nodes) {
if (child != null) {
node.AddNode (new TreeDataNode (child));
}
}
}
private void MoveNodeDown (TreeDataNode node)
{
if (node == null)
return;
if (!node.Data.CanMoveNodeDown)
return;
node.Data.ChangeRelativePosition(1);
RefreshChildNodes(node.Parent, node.Data.Parent);
}
private void SearchNode (TreeDataNode node)
{
if (node == null)
return;
if (!node.Data.CanSearchNode)
return;
FindWindowController form = new FindWindowController();
if (RunWindow (form) != ModalResult.OK)
return;
_searchState = new SearchStateMac(this) {
RootNode = node.Data,
SearchName = form.NameToken,
SearchValue = form.ValueToken,
DiscoverCallback = SearchDiscoveryCallback,
CollapseCallback = SearchCollapseCallback,
EndCallback = SearchEndCallback,
};
SearchNextNode();
}
private void CreateNode (TreeDataNode node, TagType type)
{
if (node == null)
return;
if (!node.Data.CanCreateTag(type))
return;
if (node.Data.CreateNode(type)) {
//node.Text = dataNode.NodeDisplay;
RefreshChildNodes(node, node.Data);
UpdateUI(node.Data);
}
}
private void CopyNode (TreeDataNode node)
{
if (node == null)
return;
if (!node.Data.CanCopyNode)
return;
node.Data.CopyNode();
}
public void AddNode(TreeDataNode node)
{
node._parent = this;
_children.Add(node);
}