public graphNodeCS(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;
}
public bool CheckTopNum(node_view top)
{
foreach (node_view model in TopList)
{
if (top.TopNum == model.TopNum && model != top)
{
return(false);
}
}
return(true);
}
public void AddTop(bool center)
{
node_view top = new node_view(this);
if (center)
{
top.CNTRPosition();
}
else
{
OnPointPositionChanged(top);
}
}
public edge_view(graph_viewCS _graph, node_view from_node, node_view to_node)
{
this._graph = _graph;
if (from_node != to_node)
{
isLine = true;
}
else
{
isLine = false;
}
if (isLine)
{
Line = new Line();
}
else
{
Line = new Ellipse();
}
Line.MouseLeftButtonDown += new MouseButtonEventHandler(Line_MouseLeftButtonDown);
Line.Stroke = Brushes.Black;
Line.StrokeThickness = 1;
if (isLine)
{
((Line)Line).X1 = 0;
((Line)Line).Y1 = 0;
}
else
{
((Ellipse)Line).Width = 50;
((Ellipse)Line).Height = 50;
}
if (Lines == null)
{
Lines = new List <Shape>();
Lines.Add(Line);
}
_graph.GRCanvas.Children.Add(Line);
Canvas.SetZIndex(Line, 0);
this.from_node = from_node;
this.to_node = to_node;
to_node.pointPositionChange += new graph_viewCS.PointPositionChanged(OnPointPositionChanged);
from_node.pointPositionChange += new graph_viewCS.PointPositionChanged(OnPointPositionChanged);
OnPointPositionChanged(to_node);
if (isLine)
{
OnPointPositionChanged(from_node);
}
}
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 OnPointPositionChanged(node_view top)
{
if (isLine)
{
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;
}
else
{
Canvas.SetLeft(Line, from_node.RELPos.X);
Canvas.SetTop(Line, from_node.RELPos.Y - 35);
}
}
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);
edgeList.Add(line);
FirstTop = null;
EndAddEdge();
}
}
public edge_view(graph_viewCS _graph, node_view from_node, node_view to_node)
{
this._graph = _graph;
if (from_node != to_node)
isLine = true;
else
isLine = false;
if (isLine)
Line = new Line();
else
Line = new Ellipse();
Line.MouseLeftButtonDown += new MouseButtonEventHandler(Line_MouseLeftButtonDown);
Line.Stroke = Brushes.Black;
Line.StrokeThickness = 1;
if (isLine)
{
((Line)Line).X1 = 0;
((Line)Line).Y1 = 0;
}
else
{
((Ellipse)Line).Width = 50;
((Ellipse)Line).Height = 50;
}
if (Lines == null)
{
Lines = new List<Shape>();
Lines.Add(Line);
}
_graph.GRCanvas.Children.Add(Line);
Canvas.SetZIndex(Line, 0);
this.from_node = from_node;
this.to_node = to_node;
to_node.pointPositionChange += new graph_viewCS.PointPositionChanged(OnPointPositionChanged);
from_node.pointPositionChange += new graph_viewCS.PointPositionChanged(OnPointPositionChanged);
OnPointPositionChanged(to_node);
if (isLine)
OnPointPositionChanged(from_node);
}
public void OnPointPositionChanged(node_view top)
{
if (isLine)
{
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;
}
else
{
Canvas.SetLeft(Line, from_node.RELPos.X);
Canvas.SetTop(Line, from_node.RELPos.Y - 35);
}
}
public void OnPointPositionChanged(node_view top)
{
top.UpdPos();
Canvas.SetLeft(top.GRNode, top.RELPos.X);
Canvas.SetTop(top.GRNode, top.RELPos.Y);
}
public void AddTop(double X, double Y, string id)
{
node_view top = new node_view(this);
top.GivenPosition(X, Y, id);
}
public void EndAddEdge()
{
edgeAdd = false;
FirstTop = null;
}
