//Удаление контрола
void RecursiveRemoveControl(UserFamilyNodeControl control)
{
foreach (UserFamilyNodeControl c in control.Parents)
{
RecursiveRemoveControl(c);
}
this.Controls.Remove(control);
}
void RecursiveAddLines(UserFamilyNodeControl node)
{
if (node.LeftParent == null && node.RightParent == null)
{
return;
}
//Нижняя ветвь
Rectangle upperRect = new Rectangle(
node.Location.X + node.Width / 2 - NodeSizes.Offset.Width / 2,
node.Bottom,
NodeSizes.Offset.Width,
NodeSizes.Offset.Height / 2
);
path.AddRectangle(upperRect);
if (node.LeftParent != null)
{
//Левая горизонтальная ветвь
Rectangle middleLeftRect = new Rectangle(
node.LeftParent.Location.X + node.Width / 2 - NodeSizes.Offset.Width / 2,
upperRect.Bottom - NodeSizes.Offset.Width / 2,
node.Left - node.LeftParent.Left + NodeSizes.Offset.Width,
NodeSizes.Offset.Width
);
//Левая нижняя ветвь
Rectangle bottomLeftRect = new Rectangle(
middleLeftRect.Left,
middleLeftRect.Bottom,
NodeSizes.Offset.Width,
NodeSizes.Offset.Height / 2
);
path.AddRectangle(middleLeftRect);
path.AddRectangle(bottomLeftRect);
RecursiveAddLines(node.LeftParent);
}
if (node.RightParent != null)
{
//Правая горизонтальная ветвь
Rectangle middleRightRect = new Rectangle(
upperRect.Left,
upperRect.Bottom - NodeSizes.Offset.Width / 2,
node.RightParent.Right - node.Right + NodeSizes.Offset.Width,
NodeSizes.Offset.Width
);
//Правая нижняя ветвь
Rectangle bottomRightRect = new Rectangle(
middleRightRect.Right - NodeSizes.Offset.Width,
middleRightRect.Bottom,
NodeSizes.Offset.Width,
NodeSizes.Offset.Height / 2
);
path.AddRectangle(middleRightRect);
path.AddRectangle(bottomRightRect);
RecursiveAddLines(node.RightParent);
}
}
public UserFamilyNodeControl()
{
LeftParent = null;
RightParent = null;
Parents = new List <UserFamilyNodeControl>(2);
Siblings = new List <UserFamilyNodeControl>();
InitializeComponent();
pictureBox1.MouseClick += PictureBox1_MouseClick;
label1.MouseClick += Label1_MouseClick;
}
UserFamilyNodeControl CreateNode()
{
UserFamilyNodeControl node = new UserFamilyNodeControl();
node.NodeMouseClick += NodeMouseClick;
node.NodeName = "Name";
node.NodePicture = defaultImage;
node.Size = NodeSizes.NodeSize;
return(node);
}
void InitHead()
{
head = new UserFamilyNodeControl();
head.NodeMouseClick += NodeMouseClick;
head.NodeName = "Me";
head.NodePicture = defaultImage;
head.Size = NodeSizes.NodeSize;
head.Location = new Point((ClientRectangle.Right - NodeSizes.NodeSize.Width) / 2, ClientRectangle.Y);
Controls.Add(head);
}
//Рекурсивный проход по дереву до елемента используемый для подсчета коефициента отступа
void OffsetCoefficient(UserFamilyNodeControl node, UserFamilyNodeControl key, int coef)
{
if (node == key)
{
coefficient = coef;
return;
}
foreach (UserFamilyNodeControl n in node.Parents)
{
OffsetCoefficient(n, key, coef * 2);
}
}
//Удаление из дерева елемента и его ссылок
void RecursiveRemoveNode(UserFamilyNodeControl node, UserFamilyNodeControl key)
{
foreach (UserFamilyNodeControl n in node.Parents)
{
RecursiveRemoveNode(n, key);
}
node.Parents.Remove(key);
if (node.LeftParent == key)
{
node.LeftParent = null;
}
if (node.RightParent == key)
{
node.RightParent = null;
}
}
void AddRightParent(object sender, EventArgs e)
{
if (clicked.RightParent == null)
{
UserFamilyNodeControl node = CreateNode();
clicked.RightParent = node;
clicked.Parents.Add(node);
OffsetCoefficient(head, node, 2);
if (coefficient > 32)
{
return; // выход за реализованый предел
}
Point pos = clicked.Location;
pos.Offset(ClientRectangle.Width / coefficient, NodeSizes.NodeSize.Height + NodeSizes.Offset.Height);
node.Location = pos;
Controls.Add(node);
RefreshTree();
}
}
private void NodeMouseClick(object sender, MouseEventArgs e)
{
//Использование указателя на контрол инициатор
clicked = sender as UserFamilyNodeControl;
menu.Show(sender as UserFamilyNodeControl, new Point());
}