public void OnPointPositionChanged(node_view top)
{
textBox1.Text = edge_weight.ToString();
if (top == from_node)
{
Canvas.SetLeft(Line, from_node.RELPos.X + from_node.GRNode.Width / 2);
Canvas.SetTop(Line, from_node.RELPos.Y + graphNode.Radius / 2);
}
((Line)Line).X2 = to_node.RELPos.X - from_node.RELPos.X;
((Line)Line).Y2 = to_node.RELPos.Y - from_node.RELPos.Y;
Canvas.SetLeft(textBox1, from_node.RELPos.X + from_node.GRNode.Width / 2 + ((Line)Line).X2 / 2 - textBox1.Width / 2);
Canvas.SetTop(textBox1, from_node.RELPos.Y + ((Line)Line).Y2 / 2 - textBox1.FontSize / 3);
double u_l = Math.Atan2(((Line)Line).X1 - ((Line)Line).X2, ((Line)Line).Y1 - ((Line)Line).Y2);
double u = Math.PI / 33;
LeftLine.StrokeThickness = 1;
RightLine.StrokeThickness = 1;
LeftLine.X1 = ((Line)Line).X2 + 10 * Math.Sin(u_l);
LeftLine.Y1 = ((Line)Line).Y2 + 10 * Math.Cos(u_l);
LeftLine.X2 = ((Line)Line).X2 + 30 * Math.Sin(u_l + 2 * u);
LeftLine.Y2 = ((Line)Line).Y2 + 30 * Math.Cos(u_l + 2 * u);
RightLine.X1 = ((Line)Line).X2 + 10 * Math.Sin(u_l);
RightLine.Y1 = ((Line)Line).Y2 + 10 * Math.Cos(u_l);
RightLine.X2 = ((Line)Line).X2 + 30 * Math.Sin(u_l - 2 * u);
RightLine.Y2 = ((Line)Line).Y2 + 30 * Math.Cos(u_l - 2 * u);
Canvas.SetLeft(LeftLine, from_node.RELPos.X + to_node.GRNode.Width / 2);
Canvas.SetTop(LeftLine, from_node.RELPos.Y + graphNode.Radius / 2);
Canvas.SetLeft(RightLine, from_node.RELPos.X + to_node.GRNode.Width / 2);
Canvas.SetTop(RightLine, from_node.RELPos.Y + graphNode.Radius / 2);
}
public void AddEdge(int index_from, int index_to, string weight, bool generate)
{
node_view from_node = TopList[index_from];
node_view to_node = TopList[index_to];
bool isExist = false;
foreach (edge_view line0 in edgeList)
{
if ((line0.From == from_node && line0.To == to_node) || (line0.To == from_node && line0.From == to_node))
{
if (!generate)
{
MessageBox.Show("Дуга вже існує");
}
else
{
line0.Weight = line0.Weight + int.Parse(weight);
}
isExist = true;
}
}
if (!isExist)
{
if (weight == "0")
{
weight = "1";
}
edge_view line = new edge_view(this, from_node, to_node, weight);
edgeList.Add(line);
FirstTop = null;
EndAddEdge();
}
}
public void AddTop(bool center)
{
node_view top = new node_view(this);
if (center)
top.CNTRPosition();
else
OnPointPositionChanged(top);
}
public edge_view(graph_view _graph, node_view from_node, node_view to_node, string weight)
{
this._graph = _graph;
if (from_node != to_node)
{
Line = new Line();
Line.MouseEnter += new MouseEventHandler(Line_MouseEnter);
Line.MouseLeave += new MouseEventHandler(Line_MouseLeave);
Line.MouseLeftButtonDown += new MouseButtonEventHandler(Line_MouseLeftButtonDown);
Line.Stroke = Brushes.Black;
Line.StrokeThickness = 1;
((Line)Line).X1 = 0;
((Line)Line).Y1 = 0;
LeftLine = new Line();
RightLine = new Line();
RightLine.Stroke = LeftLine.Stroke = Brushes.Black;
RightLine.StrokeThickness = LeftLine.StrokeThickness = 6;
_graph.GRCanvas.Children.Add(LeftLine);
_graph.GRCanvas.Children.Add(RightLine);
if (Lines == null)
{
Lines = new List <Shape>();
Lines.Add(Line);
Lines.Add(LeftLine);
Lines.Add(RightLine);
}
textBox1 = new TextBox();
textBox1.Width = 50;
br = new SolidColorBrush(Colors.Transparent);
textBox1.BorderBrush = br;
textBox1.VerticalContentAlignment = VerticalAlignment.Center;
textBox1.HorizontalContentAlignment = HorizontalAlignment.Center;
textBox1.FontSize = 14;
TxtBox1_TextChanged(null, null);
textBox1.PreviewMouseLeftButtonDown += new MouseButtonEventHandler(TxtBox1_PreviewMouseLeftButtonDown);
textBox1.TextChanged += new TextChangedEventHandler(TxtBox1_TextChanged);
textBox1.Text = weight;
edge_weight = int.Parse(textBox1.Text);
opaqueBrush = new SolidColorBrush(Colors.Black);
opaqueBrush.Opacity = 0;
textBox1.Background = opaqueBrush;
_graph.GRCanvas.Children.Add(textBox1);
_graph.GRCanvas.Children.Add(Line);
Canvas.SetZIndex(Line, 0);
Canvas.SetZIndex(textBox1, 2);
this.from_node = from_node;
this.to_node = to_node;
to_node.pointPositionChange += new graph_view.PointPositionChanged(OnPointPositionChanged);
from_node.pointPositionChange += new graph_view.PointPositionChanged(OnPointPositionChanged);
OnPointPositionChanged(to_node);
OnPointPositionChanged(from_node);
}
else
{
MessageBox.Show("Граф задачі має бути ациклічним!");
}
}
public edge_view(graph_view _graph, node_view from_node, node_view to_node, string weight)
{
this._graph = _graph;
if (from_node != to_node)
{
Line = new Line();
Line.MouseEnter += new MouseEventHandler(Line_MouseEnter);
Line.MouseLeave += new MouseEventHandler(Line_MouseLeave);
Line.MouseLeftButtonDown += new MouseButtonEventHandler(Line_MouseLeftButtonDown);
Line.Stroke = Brushes.Black;
Line.StrokeThickness = 1;
((Line)Line).X1 = 0;
((Line)Line).Y1 = 0;
LeftLine = new Line();
RightLine = new Line();
RightLine.Stroke = LeftLine.Stroke = Brushes.Black;
RightLine.StrokeThickness = LeftLine.StrokeThickness = 6;
_graph.GRCanvas.Children.Add(LeftLine);
_graph.GRCanvas.Children.Add(RightLine);
if (Lines == null)
{
Lines = new List<Shape>();
Lines.Add(Line);
Lines.Add(LeftLine);
Lines.Add(RightLine);
}
textBox1 = new TextBox();
textBox1.Width = 50;
br = new SolidColorBrush(Colors.Transparent);
textBox1.BorderBrush = br;
textBox1.VerticalContentAlignment = VerticalAlignment.Center;
textBox1.HorizontalContentAlignment = HorizontalAlignment.Center;
textBox1.FontSize = 14;
TxtBox1_TextChanged(null, null);
textBox1.PreviewMouseLeftButtonDown += new MouseButtonEventHandler(TxtBox1_PreviewMouseLeftButtonDown);
textBox1.TextChanged += new TextChangedEventHandler(TxtBox1_TextChanged);
textBox1.Text = weight;
edge_weight = int.Parse(textBox1.Text);
opaqueBrush = new SolidColorBrush(Colors.Black);
opaqueBrush.Opacity = 0;
textBox1.Background = opaqueBrush;
_graph.GRCanvas.Children.Add(textBox1);
_graph.GRCanvas.Children.Add(Line);
Canvas.SetZIndex(Line, 0);
Canvas.SetZIndex(textBox1, 2);
this.from_node = from_node;
this.to_node = to_node;
to_node.pointPositionChange += new graph_view.PointPositionChanged(OnPointPositionChanged);
from_node.pointPositionChange += new graph_view.PointPositionChanged(OnPointPositionChanged);
OnPointPositionChanged(to_node);
OnPointPositionChanged(from_node);
}
else
MessageBox.Show("Граф задачі має бути ациклічним!");
}
public void DeleteNode(node_view top)
{
if (TopList.Contains(top))
{
for (int i = edgeList.Count-1; i >=0; i--)
if (edgeList[i].From == top || edgeList[i].To == top)
DeleteEdge(edgeList[i]);
TopList.Remove(top);
canvas.Children.Remove(top.View);
}
}
public graphNode(node_view parentView)
{
InitializeComponent();
this.parentView = parentView;
Canvas.SetZIndex(this, 2);
this.point.Width = this.point.Height = NodeRadius;
opaqueBrush = new SolidColorBrush(Colors.Black);
opaqueBrush.Opacity = 0;
Canvas.SetZIndex(txtWeight_node, 2);
txtWeight_node.Background = opaqueBrush;
}
public void AddTop(bool center)
{
node_view top = new node_view(this);
if (center)
{
top.CNTRPosition();
}
else
{
OnPointPositionChanged(top);
}
}
public void DeleteNode(node_view top)
{
if (TopList.Contains(top))
{
for (int i = edgeList.Count - 1; i >= 0; i--)
{
if (edgeList[i].From == top || edgeList[i].To == top)
{
DeleteEdge(edgeList[i]);
}
}
TopList.Remove(top);
canvas.Children.Remove(top.View);
}
}
public void AddEdge(node_view from_node, node_view to_node)
{
bool isExist = false;
foreach (edge_view line0 in edgeList)
{
if ((line0.From == from_node && line0.To == to_node) || (line0.To == from_node && line0.From == to_node))
{
MessageBox.Show("Дуга вже існує");
isExist = true;
}
}
if (!isExist)
{
edge_view line = new edge_view(this, from_node, to_node, "1");
edgeList.Add(line);
FirstTop = null;
EndAddEdge();
}
}
public void AddEdge(int index_from, int index_to, string weight, bool generate)
{
node_view from_node = TopList[index_from];
node_view to_node = TopList[index_to];
bool isExist = false;
foreach (edge_view line0 in edgeList)
{
if ((line0.From == from_node && line0.To == to_node) || (line0.To == from_node && line0.From == to_node))
{
if (!generate)
MessageBox.Show("Дуга вже існує");
else
line0.Weight = line0.Weight + int.Parse(weight);
isExist = true;
}
}
if (!isExist)
{
if (weight == "0")
weight = "1";
edge_view line = new edge_view(this, from_node, to_node, weight);
edgeList.Add(line);
FirstTop = null;
EndAddEdge();
}
}
public void EndAddEdge()
{
edgeAdd = false;
FirstTop = null;
}
public void OnPointPositionChanged(node_view top)
{
top.UpdPos();
Canvas.SetLeft(top.GRNode, top.RELPos.X);
Canvas.SetTop(top.GRNode, top.RELPos.Y);
}
public void AddEdge(node_view from_node, node_view to_node)
{
bool isExist = false;
foreach (edge_view line0 in edgeList)
if ((line0.From == from_node && line0.To == to_node) || (line0.To == from_node && line0.From == to_node))
{
MessageBox.Show("Дуга вже існує");
isExist = true;
}
if (!isExist)
{
edge_view line = new edge_view(this, from_node, to_node, "1");
edgeList.Add(line);
FirstTop = null;
EndAddEdge();
}
}
public void AddTop(double X, double Y, string name)
{
node_view top = new node_view(this);
top.GivenPosition(X, Y, name);
}
public void AddTop(double X, double Y, string id, string weight)
{
node_view top = new node_view(this);
top.GivenPosition(X, Y, id, weight);
}
public void AddTop(double X, double Y, string name)
{
node_view top = new node_view(this);
top.GivenPosition(X, Y, name);
}
public void AddTop(double X, double Y, string id, string weight)
{
node_view top = new node_view(this);
top.GivenPosition(X, Y, id, weight);
}
public void EndAddEdge()
{
edgeAdd = false;
FirstTop = null;
}
public void OnPointPositionChanged(node_view top)
{
top.UpdPos();
Canvas.SetLeft(top.GRNode, top.RELPos.X);
Canvas.SetTop(top.GRNode, top.RELPos.Y);
}
public void OnPointPositionChanged(node_view top)
{
textBox1.Text = edge_weight.ToString();
if (top == from_node)
{
Canvas.SetLeft(Line, from_node.RELPos.X + from_node.GRNode.Width / 2);
Canvas.SetTop(Line, from_node.RELPos.Y + graphNode.Radius / 2);
}
((Line)Line).X2 = to_node.RELPos.X - from_node.RELPos.X;
((Line)Line).Y2 = to_node.RELPos.Y - from_node.RELPos.Y;
Canvas.SetLeft(textBox1, from_node.RELPos.X + from_node.GRNode.Width / 2 + ((Line)Line).X2 / 2 - textBox1.Width/2);
Canvas.SetTop(textBox1, from_node.RELPos.Y + ((Line)Line).Y2 / 2 - textBox1.FontSize / 3);
double u_l = Math.Atan2(((Line)Line).X1 - ((Line)Line).X2, ((Line)Line).Y1 - ((Line)Line).Y2);
double u = Math.PI / 33;
LeftLine.StrokeThickness = 1;
RightLine.StrokeThickness = 1;
LeftLine.X1 = ((Line)Line).X2 + 10 * Math.Sin(u_l);
LeftLine.Y1 = ((Line)Line).Y2 + 10 * Math.Cos(u_l);
LeftLine.X2 = ((Line)Line).X2 + 30 * Math.Sin(u_l + 2 * u);
LeftLine.Y2 = ((Line)Line).Y2 + 30 * Math.Cos(u_l + 2 * u);
RightLine.X1 = ((Line)Line).X2 + 10 * Math.Sin(u_l);
RightLine.Y1 = ((Line)Line).Y2 + 10 * Math.Cos(u_l);
RightLine.X2 = ((Line)Line).X2 + 30 * Math.Sin(u_l - 2 * u);
RightLine.Y2 = ((Line)Line).Y2 + 30 * Math.Cos(u_l - 2 * u);
Canvas.SetLeft(LeftLine, from_node.RELPos.X + to_node.GRNode.Width / 2);
Canvas.SetTop(LeftLine, from_node.RELPos.Y + graphNode.Radius / 2);
Canvas.SetLeft(RightLine, from_node.RELPos.X + to_node.GRNode.Width / 2);
Canvas.SetTop(RightLine, from_node.RELPos.Y + graphNode.Radius / 2);
}
