private void On_Mouse_Move(Object sender, MouseEventArgs e)
{
VertexView v_on_over = VertexHitTest(new Point(e.X, e.Y));
EdgeView e_on_over = EdgeHitTest(new Point(e.X, e.Y));
foreach (VertexView v in Views.OfType <VertexView>())
{
if (v_on_over != null && v == v_on_over)
{
v_on_over.Raise_MouseEnter();
v_on_over.Raise_MouseMove();
}
else
{
v.Raise_MouseLeave();
}
}
foreach (EdgeView v in Views.OfType <EdgeView>())
{
if (e_on_over != null && v == e_on_over)
{
e_on_over.Raise_MouseEnter();
}
else
{
v.Raise_MouseLeave();
}
}
Refresh();
}
public void On_EdgeRemoved(Graph sender, Edge edge)
{
EdgeView e = canvasView1.FindViewByEdge(edge);
if (e != null)
{
canvasView1.Views.Remove(e);
}
canvasView1.Refresh();
}
public void On_EdgeAdded(Graph sender, Edge edge)
{
EdgeView e = new EdgeView();
e.Edge = edge;
e.Point1 = canvasView1.FindViewByVertex(edge.Vertex1).Location;
e.Point2 = canvasView1.FindViewByVertex(edge.Vertex2).Location;
canvasView1.Views.Add(e);
e.MouseClick += On_MouseClick;
canvasView1.Refresh();
}
void On_MouseClick(IView sender)
{
SelectedEdge = sender as EdgeView;
EdgeEdit.Top = (int)(sender as EdgeView).valR.Top + canvasView1.Top;
EdgeEdit.Left = (int)(sender as EdgeView).valR.Left + canvasView1.Left;
EdgeEdit.Text = (sender as EdgeView).Val;
EdgeEdit.Visible = true;
btnRemoveEdge.Top = EdgeEdit.Top;
btnRemoveEdge.Left = EdgeEdit.Left - EdgeEdit.Height;
btnRemoveEdge.Width = EdgeEdit.Height;
btnRemoveEdge.Height = EdgeEdit.Height;
btnRemoveEdge.Visible = true;
EdgeEdit.BringToFront();
EdgeEdit.Focus();
EdgeEdit.SelectAll();
}
private void On_Mouse_Down(Object sender, MouseEventArgs e)
{
foreach (VertexView v in Views.OfType <VertexView>())
{
v.IsSelected = false;
}
VertexView on_down = VertexHitTest(new Point(e.X, e.Y));
if (on_down != null)
{
on_down.Raise_MouseDown();
}
EdgeView on_click = EdgeHitTest(new Point(e.X, e.Y));
if (on_click != null)
{
on_click.Raise_MouseClick();
}
Refresh();
}