private void viewGraphButton_Click(object sender, EventArgs e)
{
int selectedIndex = viewGraphComboBox.SelectedIndex;
DataGridView viewMatrix = new DataGridView();
string name = "";
switch (selectedIndex)
{
case 0:
// Adjacency Matrix
int[,] matrix = GraphRepresentation.toAdjacencyMatrix(graph);
viewMatrix.Columns.Clear();
viewMatrix.ColumnCount = graph.Nodes.Count;
for (int i = 0; i < graph.Nodes.Count; i++)
{
viewMatrix.Columns[i].Name = graph.Nodes[i].Name;
}
for (int i = 0; i < matrix.GetLength(0); i++)
{
int index = viewMatrix.Rows.Add();
viewMatrix.Rows[index].HeaderCell.Value = graph.Nodes[i].Name;
for (int j = 0; j < matrix.GetLength(1); j++)
{
viewMatrix.Rows[index].Cells[j].Value = matrix[i, j];
}
}
name = "Матрица смежности";
break;
case 1:
matrix = GraphRepresentation.toIncidenceMatrix(graph);
viewMatrix.Columns.Clear();
if (graph.Edges.Count > 0)
{
viewMatrix.ColumnCount = graph.Edges.Count;
for (int i = 0; i < graph.Edges.Count; i++)
{
viewMatrix.Columns[i].Name = graph.Edges[i].From.Name + "/" + graph.Edges[i].To.Name;
}
for (int i = 0; i < matrix.GetLength(0); i++)
{
int index = viewMatrix.Rows.Add();
viewMatrix.Rows[index].HeaderCell.Value = graph.Nodes[i].Name;
for (int j = 0; j < matrix.GetLength(1); j++)
{
viewMatrix.Rows[index].Cells[j].Value = matrix[i, j];
}
}
}
name = "Матрица инцидентности";
break;
case 2:
matrix = GraphRepresentation.toWeightMatrix(graph);
viewMatrix.Columns.Clear();
viewMatrix.ColumnCount = graph.Nodes.Count;
for (int i = 0; i < graph.Nodes.Count; i++)
{
viewMatrix.Columns[i].Name = graph.Nodes[i].Name;
}
for (int i = 0; i < matrix.GetLength(0); i++)
{
int index = viewMatrix.Rows.Add();
viewMatrix.Rows[index].HeaderCell.Value = graph.Nodes[i].Name;
for (int j = 0; j < matrix.GetLength(1); j++)
{
if (matrix[i, j] == 1000000)
{
viewMatrix.Rows[index].Cells[j].Value = "oo";
}
else
{
viewMatrix.Rows[index].Cells[j].Value = matrix[i, j];
}
}
}
name = "Матрица весов";
break;
case 3:
matrix = GraphRepresentation.toEdgeList(graph);
viewMatrix.Columns.Clear();
if (graph.Edges.Count > 0)
{
viewMatrix.ColumnCount = graph.Edges.Count;
for (int i = 0; i < matrix.GetLength(0); i++)
{
int index = viewMatrix.Rows.Add();
if (i == 0)
{
viewMatrix.Rows[index].HeaderCell.Value = "r";
}
else
{
viewMatrix.Rows[index].HeaderCell.Value = "t";
}
for (int j = 0; j < matrix.GetLength(1); j++)
{
viewMatrix.Rows[index].Cells[j].Value = matrix[i, j];
}
}
}
name = "Список ребер";
break;
case 4:
viewMatrix.Columns.Clear();
viewMatrix.ColumnCount = 1;
viewMatrix.Columns[0].Name = "Adj[x]";
for (int i = 0; i < graph.Nodes.Count; i++)
{
string s = "";
foreach (Edge edge in graph.Edges)
{
if (edge.From == graph.Nodes[i])
{
s += edge.To.Name + ", ";
}
}
int index = viewMatrix.Rows.Add();
viewMatrix.Rows[index].HeaderCell.Value = graph.Nodes[i].Name;
viewMatrix.Rows[index].Cells[0].Value = s;
}
name = "Структура смежности";
break;
default:
return;
}
using (ViewForm viewForm = new ViewForm(viewMatrix, name))
{
viewForm.ShowDialog(this);
}
Console.WriteLine(selectedIndex);
}
private void incidenceMatrixSaveButton_Click(object sender, EventArgs e)
{
WriteToFile(GraphRepresentation.toIncidenceMatrix(graph));
}
