private void SaveGraphToFile()
{
using (var saveFileDialog = new SaveFileDialog())
{
saveFileDialog.Filter = "GraphMaker files (*.gm)|*.gm";
saveFileDialog.FilterIndex = 1;
saveFileDialog.RestoreDirectory = true;
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
var fileName = saveFileDialog.FileName;
string json;
try
{
json = UiGraph.Serialize(graph);
}
catch (Exception ex)
{
MessageBox.Show($"Ошибка при сериализации графа: {ex.Message}");
return;
}
File.WriteAllText(fileName, json);
draw();
}
}
}
private void CreateNewFile_Click(object sender, EventArgs e)
{
if (graph.Nodes.Any() && SaveFileIfNecessary() == DialogResult.Cancel)
{
return;
}
cbEdgeSizeChange.Items.Clear();
graph = UiGraph.New();
graph.Changed += OnGraphUpdate;
draw();
}
public void ShouldBeSerializable()
{
var node1 = graph.AddNode(0, 0, Color.Red);
var node2 = graph.AddNode(1, 1, Color.Green);
graph.AddEdge(node1, node2, 42, Color.Blue);
var json1 = UiGraph.Serialize(graph);
var deserializedGraph = UiGraph.Deserialize(json1);
var json2 = UiGraph.Serialize(deserializedGraph);
json1.Should().Be(json2);
}
public MainForm()
{
InitializeComponent();
graph = UiGraph.New();
graph.Changed += OnGraphUpdate;
for (int i = 0; i < FontFamily.Families.Length; i++)
{
if (FontFamily.Families[i].Name == "Impact")
{
fontImpactId = i;
}
if (FontFamily.Families[i].Name == "Cambria")
{
fontCambriaId = i;
}
}
}
private void OpenFile_Click(object sender, EventArgs e)
{
using (var openFileDialog = new OpenFileDialog())
{
openFileDialog.Filter = " GraphMaker files (*.gm)|*.gm";
openFileDialog.FilterIndex = 1;
openFileDialog.RestoreDirectory = true;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
var fileName = openFileDialog.FileName;
var json = File.ReadAllText(fileName);
UiGraph deserializedGraph;
try
{
deserializedGraph = UiGraph.Deserialize(json);
if (deserializedGraph == null)
{
throw new ArgumentException("Файл пуст.");
}
}
catch (Exception ex)
{
MessageBox.Show($"Не удалось десериализовать граф из указанного файла: {ex.Message}");
return;
}
graph = deserializedGraph;
graph.Changed += OnGraphUpdate;
selectedEdge = null;
clickedEdge = null;
cbEdgeSizeChange.Items.Clear();
foreach (var edge in graph.Edges)
{
cbEdgeSizeChange.Items.Add(edge);
}
if (cbEdgeSizeChange.SelectedIndex == -1)
{
nudEdgeSizeChange.Value = 1;
}
draw();
}
}
}
public void SetUp()
{
graph = new UiGraph(typeof(Graph));
}
