private void btnAddChild_Click(object sender, EventArgs e)
{
var existingNodes = GetAllNodesFor(tvGroups.SelectedNode);
var childNodes = tvGroups.Nodes.Cast <TreeNode>().Where(n => !existingNodes.Contains(n.Name)).ToList();
if (childNodes.Count == 0)
{
MessageBox.Show(@"All possible child nodes have been added", @"No more nodes", MessageBoxButtons.OK);
return;
}
using (var child = new GroupPickerDialog(childNodes)) {
child.ShowDialog();
if (child.DialogResult != DialogResult.OK)
{
return;
}
SetContextDirty();
var items = child.SelectedItems;
var excludedItems = (from item in items
let node = tvGroups.Nodes.Find(item, false)[0]
let excluded = GetAllNodesFor(node)
from exclude in excluded
where item != exclude && items.Contains(exclude)
select exclude).ToList();
var rootNode = tvGroups.Nodes.Find(tvGroups.SelectedNode.Name, false)[0];
foreach (var node in from item in items where !excludedItems.Contains(item) select tvGroups.Nodes.Find(item, false)[0])
{
rootNode.Nodes.Insert(rootNode.GetNodeCount(false), (TreeNode)node.Clone());
}
}
UpdateStats();
tvGroups.Invalidate();
}
private void btnAddChild_Click(object sender, EventArgs e)
{
var existingNodes = GetAllNodesFor(tvGroups.SelectedNode);
var childNodes = tvGroups.Nodes.Cast<TreeNode>().Where(n => !existingNodes.Contains(n.Name)).ToList();
if (childNodes.Count == 0) {
MessageBox.Show(@"All possible child nodes have been added", @"No more nodes", MessageBoxButtons.OK);
return;
}
using (var child = new GroupPickerDialog(childNodes)) {
child.ShowDialog();
if (child.DialogResult != DialogResult.OK) {
return;
}
SetContextDirty();
var items = child.SelectedItems;
var excludedItems = (from item in items
let node = tvGroups.Nodes.Find(item, false)[0]
let excluded = GetAllNodesFor(node)
from exclude in excluded
where item != exclude && items.Contains(exclude)
select exclude).ToList();
var rootNode = tvGroups.Nodes.Find(tvGroups.SelectedNode.Name, false)[0];
foreach (var node in from item in items where !excludedItems.Contains(item) select tvGroups.Nodes.Find(item, false)[0]) {
rootNode.Nodes.Insert(rootNode.GetNodeCount(false), (TreeNode) node.Clone());
}
}
UpdateStats();
tvGroups.Invalidate();
}