void Obr()
{
if (AddNodeBtn.Checked)
{
PictureBox pictureBox = graph1PB;
Graphs gr = graph1;
MouseEventArgs mouseEventArgs = FirstClick1;
gr.AddNode(mouseEventArgs.X, mouseEventArgs.Y);
gr.Draw(pictureBox.CreateGraphics(), selectionNode);
}
else if (DeleteNodeBtn.Checked)
{
Graphs gr = graph1;
PictureBox pictureBox = graph1PB;
MouseEventArgs mouseEventArgs = FirstClick1;
Node nodeGrathic = gr.FindNode(mouseEventArgs.Location);
if (nodeGrathic != null)
{
gr.Delete(nodeGrathic);
}
gr.Draw(pictureBox.CreateGraphics(), selectionNode);
}
else if (GetEdgeBtn.Checked)
{
Graphs gr = graph1;
PictureBox pictureBox = graph1PB;
MouseEventArgs mouseEventArgs1 = FirstClick1;
MouseEventArgs mouseEventArgs2 = SecondClick1;
Node nodeGrathic1 = gr.FindNode(mouseEventArgs1.Location);
Node nodeGrathic2 = gr.FindNode(mouseEventArgs2.Location);
if (nodeGrathic1 != null && nodeGrathic2 != null && nodeGrathic1 != nodeGrathic2)
{
gr.AddEdge(nodeGrathic1, nodeGrathic2);
}
gr.Draw(pictureBox.CreateGraphics(), selectionNode);
}
else if (SelectionNodeBtn.Checked)
{
Node node = graph1.FindNode(FirstClick1.Location);
if (node != null)
{
if (selectionNode.IndexOf(node) != -1)
{
selectionNode.Remove(node);
}
else
{
selectionNode.Add(node);
}
}
graph1.Draw(graph1PB.CreateGraphics(), selectionNode);
}
}
private void openGraph1Btn_Click(object sender, EventArgs e)
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
graph1 = ClassLibrary1.FileGraph.OpenGraph(openFileDialog1.FileName);
graph1.Draw(graph1PB.CreateGraphics(), selectionNode);
}
}
private void ClearBtn_Click(object sender, EventArgs e)
{
graph1 = new Graphs();
graph1.Draw(graph1PB.CreateGraphics(), selectionNode);
textBox1.Lines = null;
}