コード例 #1
0
        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;
        }
コード例 #2
0
        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;
        }