private ExTreeViewItem GetVisibleTreeItem(TreePosition pos, Action <ExTreeViewItem> walk = null) { Tree.UpdateLayout(); Stack <TreeStoreNode> nodes = new Stack <TreeStoreNode> (); TreeStoreNode node = (TreeStoreNode)pos; do { nodes.Push(node); node = node.Parent; } while (node != null); ExTreeViewItem treeItem = null; ItemContainerGenerator g = Tree.ItemContainerGenerator; while (nodes.Count > 0) { node = nodes.Pop(); treeItem = (ExTreeViewItem)g.ContainerFromItem(node); treeItem.UpdateLayout(); g = treeItem.ItemContainerGenerator; if (walk != null) { walk(treeItem); } } return(treeItem); }
public void ExpandToRow(TreePosition pos) { TreeStoreNode parent = ((TreeStoreNode)pos).Parent; if (parent != null) { parent.IsExpanded = true; } }
public void ExpandRow(TreePosition row, bool expandChildren) { TreeStoreNode node = ((TreeStoreNode)row); node.IsExpanded = true; if (expandChildren) { foreach (TreeStoreNode childNode in node.Children) { childNode.IsExpanded = true; } } }
public TreePosition AddChild(TreePosition pos) { var parent = (TreeStoreNode)pos; var childNode = new TreeStoreNode( new object[this.columnTypes.Length], parent); GetListForNode(parent).Add(childNode); OnNodeInserted(new TreeNodeEventArgs(childNode)); return(childNode); }
public TreePosition InsertAfter(TreePosition pos) { var node = (TreeStoreNode)pos; var newNode = new TreeStoreNode( new object[this.columnTypes.Length], node.Parent); var list = GetContainingList(node); int index = list.IndexOf(node); list.Insert(index + 1, newNode); OnNodeInserted(new TreeNodeEventArgs(newNode)); return(newNode); }
private ObservableCollection <TreeStoreNode> GetListForNode(TreeStoreNode node) { return((node == null) ? this.topNodes : node.Children); }
private ObservableCollection <TreeStoreNode> GetContainingList(TreeStoreNode node) { return((node.Parent == null) ? this.topNodes : node.Parent.Children); }
private ObservableCollection<TreeStoreNode> GetListForNode (TreeStoreNode node) { return (node == null) ? this.topNodes : node.Children; }
private ObservableCollection<TreeStoreNode> GetContainingList (TreeStoreNode node) { return (node.Parent == null) ? this.topNodes : node.Parent.Children; }
public TreePosition AddChild (TreePosition pos) { var parent = (TreeStoreNode) pos; var childNode = new TreeStoreNode ( new object[this.columnTypes.Length], parent); GetListForNode (parent).Add (childNode); OnNodeInserted (new TreeNodeEventArgs (childNode)); return childNode; }
public TreePosition InsertAfter (TreePosition pos) { var node = (TreeStoreNode) pos; var newNode = new TreeStoreNode ( new object[this.columnTypes.Length], node.Parent); var list = GetContainingList (node); int index = list.IndexOf (node); list.Insert (index + 1, newNode); OnNodeInserted (new TreeNodeEventArgs (newNode)); return newNode; }
public TreeStoreNode(object[] values, TreeStoreNode parent) : base(values) { Parent = parent; }
public TreeStoreNode (object[] values, TreeStoreNode parent) : base (values) { Parent = parent; }