private void uncheckAllLinkLabel_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
updateLocked = true;
var nodes = new List <TreeNodeData>();
Action <TreeNode> helper = null;
helper = n =>
{
if (n.Checked)
{
nodes.Add(n.Tag as TreeNodeData);
n.Checked = false;
}
foreach (TreeNode c in n.Nodes)
{
helper(c);
}
};
foreach (TreeNode c in treeView.Nodes)
{
helper(c);
}
evts.OnNodesChecked(nodes.Where(n => n != null), false);
updateLocked = false;
}
public override void AwakeFromNib()
{
base.AwakeFromNib();
Window.owner = this;
collapseAllLinkLabel.StringValue = "collapse all";
collapseAllLinkLabel.LinkClicked = (s, e) =>
{
foreach (var item in dataSource.Items)
{
treeView.CollapseItem(item, collapseChildren: true);
}
};
uncheckAllLinkLabel.StringValue = "uncheck all";
uncheckAllLinkLabel.LinkClicked = (s, e) =>
{
var checkedNodes = dataSource.Items
.SelectMany(i => i.Traverse())
.Where(n => n.Data.Checkable)
.Where(n => evts.IsNodeChecked(n.Data))
.ToArray();
evts.OnNodesChecked(checkedNodes.Select(n => n.Data).ToArray(), false);
foreach (var item in checkedNodes)
{
treeView.ReloadItem(item, reloadChildren: false);
}
};
treeView.Delegate = new TreeDelegate()
{
owner = this
};
treeView.DataSource = dataSource;
}