private void button_test_Click(object sender, EventArgs e)
{
var count = int.Parse(textBox2.Text);
using var writer = new StreamWriter("test.txt");
var value = _rnd.Next(int.MinValue, int.MaxValue);
if (count > 0)
{
_tree = new TwoThreeFourTree(value);
TwoThreeFourTree.NumberIterations = 1;
}
for (var i = 0; i < count - 1; i++)
{
if (i == count - 2)
{
TwoThreeFourTree.NumberIterations = 0;
}
value = _rnd.Next(int.MinValue, int.MaxValue);
TwoThreeFourTree.Add(value, _tree);
}
if (renderBox.Checked)
{
RenderTree();
}
iterInfo.Text = $@"Кол-во итераций: {TwoThreeFourTree.NumberIterations}";
}
private void button_add_Click(object sender, EventArgs e)
{
var value = Int32.Parse(textBox1.Text);
if (_tree == null)
{
_tree = new TwoThreeFourTree(value);
}
else
{
TwoThreeFourTree.Add(value, _tree);
}
textBox1.Text = string.Empty;
RenderTree();
}
private void load_Click(object sender, EventArgs e)
{
using var reader = new StreamReader("test.txt");
while (!reader.EndOfStream)
{
var val = int.Parse(reader.ReadLine() !);
if (_tree == null)
{
_tree = new TwoThreeFourTree(val);
}
else
{
TwoThreeFourTree.Add(val, _tree);
}
if (renderBox.Checked)
{
RenderTree();
}
}
}
private void RenderTree()
{
if (_tree != null)
{
AddInTree(TwoThreeFourTree.GetHead(_tree));
}
using (var gr = this.CreateGraphics())
{
// Arrange the tree once to see how big it is.
float xmin = 0, ymin = 0;
_root.Arrange(gr, ref xmin, ref ymin);
// Arrange the tree again to center it.
xmin = (ClientSize.Width - xmin) / 2;
//ymin = (this.ClientSize.Height - ymin) / 2;
_root.Arrange(gr, ref xmin, ref ymin);
}
// Redraw.
Refresh();
}
private void AddInTree(TwoThreeFourTree tree, TreeNode <CircleNode> parent = null)
{
if (tree == null)
{
if (checkBox1.Checked)
{
parent?.AddChild(new TreeNode <CircleNode>(new CircleNode("[]")));
}
return;
}
var text = "";
for (var i = 0; i < tree.Values.Count; i++)
{
text += tree.Values[i];
if (i != tree.Values.Count - 1)
{
text += " | ";
}
}
text += "";
var node = new TreeNode <CircleNode>(new CircleNode(text));
if (tree.Parent == null)
{
_root = node;
}
else
{
parent?.AddChild(node);
}
parent = node;
foreach (var t in tree.Children)
{
AddInTree(t, parent);
}
}
public Form1()
{
InitializeComponent();
_tree = null;
}