private void btnOK_Click(object sender, RoutedEventArgs e)
{
try
{
string vertexName = txtVertextName.Text.Trim().ToUpper();
var graph = GPH.GetGraph();
if (!(graph.Header.Vertices.Exists(x => x.ToLower().Equals(vertexName.ToLower()))))
{
graph.Header.AddVertex(vertexName);
List <string> edges = new List <string>();
for (int i = 0; i < graph.Records.Count; i++) //reset the edges weights(doesn't have a path to any vertices)
{
edges.Add("Inf");
graph.Records[i].AddEdge("Inf");
}
edges.Add("0");
graph.AddRecord(new GraphRecord()
{
VertexName = vertexName,
Edges = edges
});
GPH.SetGraph(graph); //write it to file and save.
}
else
{
throw new Exception("this vertex already exist.");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Warning!");
}
this.Close(); //close the app
}
public AddEdge()
{
InitializeComponent();
GPH = new GraphFile();
graph = GPH.GetGraph();
from = to = string.Empty;
}
public MainWindow()
{
InitializeComponent();
GPH = new GraphFile();
var graph = GPH.GetGraph();
GenerateGraph(graph);
RefreshList();
}
private void RefreshList()
{
var graph = GPH.GetGraph();
DataTable dt = new DataTable();
//design columns
for (int i = -1; i < graph.Header.Vertices.Count; i++)
{
if (i == -1)
{
dt.Columns.Add(new DataColumn("Matrix"));
}
else
{
dt.Columns.Add(new DataColumn($"{graph.Header.Vertices[i]}"));
}
}
for (int i = 0; i < graph.Records.Count; i++)
{
var row = dt.NewRow();
for (int j = -1; j < graph.Records.Count; j++)
{
if (j == -1)
{
row["Matrix"] = graph.Records[i].VertexName;
}
else
{
row[$"{graph.Header.Vertices[j]}"] = graph.Records[i].Edges[j];
}
}
dt.Rows.Add(row);
}
lst_matrix.AutoGenerateColumns = true;
lst_matrix.ItemsSource = dt.DefaultView;
}