private void CallInsertNode()
{
int key = 0;
if(!int.TryParse(AddNodeValue, out key))
{
System.Windows.MessageBox.Show("Invalid key to be inserted\nHint: Try an integer");
}
else if (!(selectedNodes != null && selectedNodes.Count > 0)) {
System.Windows.MessageBox.Show("No node or tree selected");
}
else
{
Tree tree = new Tree(selectedNodes, Lines);
if (tree.isValidBST())
{
NodeViewModel newNode = new BSTViewModel(new BST() { X = 20, Y = 20, TextOne = key.ToString()});
newNode.Diameter = 50;
undoRedo.InsertInUndoRedo(new InsertNodeInTreeCommand(tree, Nodes, selectedNodes, newNode, Lines));
}
}
}
private void CallRemoveNodeInTree()
{
Tree tree = new Tree(selectedNodes,Lines);
Tree wholeTree = new Tree(tree.getWholeTree(),Lines);
if (selectedNodes == null || selectedNodes.Count != 1)
System.Windows.MessageBox.Show("You have to mark excactly one node");
else if (!wholeTree.isValidBST())
System.Windows.MessageBox.Show("This tree is not valid");
else
{
undoRedo.InsertInUndoRedo(new RemoveNodeInTreeCommand(tree, Nodes, selectedNodes, Lines));
}
}