public void PopulateData(Node2D p_objNode)
{
txtRoomName.Text = p_objNode.Title;
txtDescription.Document.Blocks.Clear();
txtDescription.AppendText(p_objNode.Description);
lblNodeIdValue.Content = p_objNode.id;
m_objNode = p_objNode;
}
public NodeMap(double p_dblX, double p_dblY)
{
StartNode = new Node2D();
StartNode.Rectangle.XCoordinate = p_dblX;
StartNode.Rectangle.YCoordinate = p_dblY;
StartNode.Rectangle.RectangleColor = Brushes.Red;
CurrentNode = StartNode;
}
public Node2D SetDownLink(Node2D p_objNodeToSet)
{
p_objNodeToSet.Rectangle.XCoordinate = this.Rectangle.XCoordinate;
p_objNodeToSet.Rectangle.YCoordinate = this.Rectangle.YCoordinate + Constants.RECTANGLE_WIDTH + Constants.RECTANGLE_SPACE_WIDTH;
this.DownNode = p_objNodeToSet;
this.DownNode.UpNode = this;
return p_objNodeToSet;
}
public void AddNode(Direction p_objDirection, Node2D p_objNodeToConnect = null)
{
if (p_objNodeToConnect == null)
{
p_objNodeToConnect = new Node2D();
}
switch (p_objDirection)
{
case Direction.Down:
CurrentNode = CurrentNode.SetDownLink(p_objNodeToConnect);
break;
case Direction.Left:
CurrentNode = CurrentNode.SetLeftLink(p_objNodeToConnect);
break;
case Direction.Right:
CurrentNode = CurrentNode.SetRightLink(p_objNodeToConnect);
break;
case Direction.Up:
CurrentNode = CurrentNode.SetUpLink(p_objNodeToConnect);
break;
}
}
public void DrawNodes(Canvas p_objCanvas, Node2D p_objCurrentNode)
{
if (!p_objCurrentNode.IsSearched)
{
SolidColorBrush objColorToUse;
if (p_objCurrentNode == CurrentNode)
{
objColorToUse = Brushes.Yellow;
}
else
{
objColorToUse = p_objCurrentNode.Rectangle.RectangleColor;
}
Rectangle objRectangle = DrawRectangle(Constants.RECTANGLE_WIDTH, Constants.RECTANGLE_WIDTH, objColorToUse);
p_objCanvas.Children.Add(objRectangle);
Canvas.SetTop(objRectangle, p_objCurrentNode.Rectangle.YCoordinate);
Canvas.SetLeft(objRectangle, p_objCurrentNode.Rectangle.XCoordinate);
p_objCurrentNode.IsSearched = true;
}
if (p_objCurrentNode.LeftNode != null)
{
DrawConnectors(p_objCanvas, p_objCurrentNode.LeftNode, Direction.Left);
if (!p_objCurrentNode.LeftNode.IsSearched)
{
DrawNodes(p_objCanvas, p_objCurrentNode.LeftNode);
}
}
if (p_objCurrentNode.RightNode != null)
{
DrawConnectors(p_objCanvas, p_objCurrentNode.RightNode, Direction.Right);
if (!p_objCurrentNode.RightNode.IsSearched)
{
DrawNodes(p_objCanvas, p_objCurrentNode.RightNode);
}
}
if (p_objCurrentNode.UpNode != null)
{
DrawConnectors(p_objCanvas, p_objCurrentNode.UpNode, Direction.Up);
if (!p_objCurrentNode.UpNode.IsSearched)
{
DrawNodes(p_objCanvas, p_objCurrentNode.UpNode);
}
}
if (p_objCurrentNode.DownNode != null)
{
DrawConnectors(p_objCanvas, p_objCurrentNode.DownNode, Direction.Down);
if (!p_objCurrentNode.DownNode.IsSearched)
{
DrawNodes(p_objCanvas, p_objCurrentNode.DownNode);
}
}
}
private Node2D SearchByNodeId(Node2D p_objCurrentNode, int p_intId)
{
p_objCurrentNode.IsSearched = true;
Node2D objNode;
if (p_objCurrentNode.id == p_intId)
{
return p_objCurrentNode;
}
if (p_objCurrentNode.LeftNode != null && !p_objCurrentNode.LeftNode.IsSearched)
{
objNode = SearchByNodeId(p_objCurrentNode.LeftNode, p_intId);
if (objNode != null)
{
return objNode;
}
}
if (p_objCurrentNode.RightNode != null && !p_objCurrentNode.RightNode.IsSearched)
{
objNode = SearchByNodeId(p_objCurrentNode.RightNode, p_intId);
if (objNode != null)
{
return objNode;
}
}
if (p_objCurrentNode.UpNode != null && !p_objCurrentNode.UpNode.IsSearched)
{
objNode = SearchByNodeId(p_objCurrentNode.UpNode, p_intId);
if (objNode != null)
{
return objNode;
}
}
if (p_objCurrentNode.DownNode != null && !p_objCurrentNode.DownNode.IsSearched)
{
objNode = SearchByNodeId(p_objCurrentNode.DownNode, p_intId);
if (objNode != null)
{
return objNode;
}
}
return null;
}
private void ImportFromXML()
{
List<Node2D> lstNodes = new List<Node2D>();
using (XmlReader objRead = XmlReader.Create(XML_FILE_NAME))
{
Node2D objNode = new Node2D();
while(objRead.Read())
{
if (objRead.IsStartElement())
{
switch(objRead.Name)
{
case "Title":
break;
case "Description":
break;
case "Id":
break;
case "LeftId":
break;
case "RightId":
break;
case "UpId":
break;
case "DownId":
break;
case "Node":
objNode = new Node2D();
break;
}
}
else
{
lstNodes.Add(objNode);
}
}
}
}
private void DrawConnectors(Canvas p_objCanvas, Node2D p_objCurrentNode, Direction p_objDirection)
{
Rectangle objRectangle;
switch (p_objDirection)
{
case Direction.Left:
objRectangle = DrawRectangle(Constants.CONNECTOR_HEIGHT, Constants.CONNECTOR_WIDTH, Brushes.Black);
p_objCanvas.Children.Add(objRectangle);
Canvas.SetTop(objRectangle, p_objCurrentNode.Rectangle.YCoordinate + Constants.RECTANGLE_WIDTH / 2 - Constants.CONNECTOR_WIDTH / 2);
Canvas.SetLeft(objRectangle, p_objCurrentNode.Rectangle.XCoordinate + Constants.RECTANGLE_WIDTH);
break;
case Direction.Right:
objRectangle = DrawRectangle(Constants.CONNECTOR_HEIGHT, Constants.CONNECTOR_WIDTH, Brushes.Black);
p_objCanvas.Children.Add(objRectangle);
Canvas.SetTop(objRectangle, p_objCurrentNode.Rectangle.YCoordinate + Constants.RECTANGLE_WIDTH / 2 - Constants.CONNECTOR_WIDTH / 2);
Canvas.SetLeft(objRectangle, p_objCurrentNode.Rectangle.XCoordinate - Constants.RECTANGLE_SPACE_WIDTH);
break;
case Direction.Up:
objRectangle = DrawRectangle(Constants.CONNECTOR_WIDTH, Constants.CONNECTOR_HEIGHT, Brushes.Black);
p_objCanvas.Children.Add(objRectangle);
Canvas.SetTop(objRectangle, p_objCurrentNode.Rectangle.YCoordinate + Constants.RECTANGLE_WIDTH);
Canvas.SetLeft(objRectangle, p_objCurrentNode.Rectangle.XCoordinate + Constants.RECTANGLE_WIDTH / 2 - Constants.CONNECTOR_WIDTH / 2);
break;
case Direction.Down:
objRectangle = DrawRectangle(Constants.CONNECTOR_WIDTH, Constants.CONNECTOR_HEIGHT, Brushes.Black);
p_objCanvas.Children.Add(objRectangle);
Canvas.SetTop(objRectangle, p_objCurrentNode.Rectangle.YCoordinate - Constants.CONNECTOR_HEIGHT);
Canvas.SetLeft(objRectangle, p_objCurrentNode.Rectangle.XCoordinate + Constants.RECTANGLE_WIDTH / 2 - Constants.CONNECTOR_WIDTH / 2);
break;
}
}
public void SetSearched(Node2D p_objCurrentNode, bool p_blnSearchToSet)
{
if (p_objCurrentNode.IsSearched != p_blnSearchToSet)
{
p_objCurrentNode.IsSearched = p_blnSearchToSet;
}
if (p_objCurrentNode.LeftNode != null && p_objCurrentNode.LeftNode.IsSearched != p_blnSearchToSet)
{
SetSearched(p_objCurrentNode.LeftNode, p_blnSearchToSet);
}
if (p_objCurrentNode.RightNode != null && p_objCurrentNode.RightNode.IsSearched != p_blnSearchToSet)
{
SetSearched(p_objCurrentNode.RightNode, p_blnSearchToSet);
}
if (p_objCurrentNode.UpNode != null && p_objCurrentNode.UpNode.IsSearched != p_blnSearchToSet)
{
SetSearched(p_objCurrentNode.UpNode, p_blnSearchToSet);
}
if (p_objCurrentNode.DownNode != null && p_objCurrentNode.DownNode.IsSearched != p_blnSearchToSet)
{
SetSearched(p_objCurrentNode.DownNode, p_blnSearchToSet);
}
}
public Node2D FindNode(Node2D p_objCurrentNode, double p_dblX, double p_dblY)
{
if (p_dblX >= p_objCurrentNode.Rectangle.XCoordinate && p_dblX < p_objCurrentNode.Rectangle.XCoordinate + Constants.RECTANGLE_WIDTH &&
p_dblY >= p_objCurrentNode.Rectangle.YCoordinate && p_dblY < p_objCurrentNode.Rectangle.YCoordinate + Constants.RECTANGLE_WIDTH)
{
return p_objCurrentNode;
}
p_objCurrentNode.IsSearched = true;
Node2D objNode;
if (p_objCurrentNode.LeftNode != null && !p_objCurrentNode.LeftNode.IsSearched)
{
objNode = FindNode(p_objCurrentNode.LeftNode, p_dblX, p_dblY);
if (objNode != null)
{
return objNode;
}
}
if (p_objCurrentNode.RightNode != null && !p_objCurrentNode.RightNode.IsSearched)
{
objNode = FindNode(p_objCurrentNode.RightNode, p_dblX, p_dblY);
if (objNode != null)
{
return objNode;
}
}
if (p_objCurrentNode.UpNode != null && !p_objCurrentNode.UpNode.IsSearched)
{
objNode = FindNode(p_objCurrentNode.UpNode, p_dblX, p_dblY);
if (objNode != null)
{
return objNode;
}
}
if (p_objCurrentNode.DownNode != null && !p_objCurrentNode.DownNode.IsSearched)
{
objNode = FindNode(p_objCurrentNode.DownNode, p_dblX, p_dblY);
if (objNode != null)
{
return objNode;
}
}
return null;
}
public Node2D SetRightLink(Node2D p_objNodeToSet)
{
p_objNodeToSet.Rectangle.XCoordinate = this.Rectangle.XCoordinate + Constants.RECTANGLE_WIDTH + Constants.RECTANGLE_SPACE_WIDTH;
p_objNodeToSet.Rectangle.YCoordinate = this.Rectangle.YCoordinate;
this.RightNode = p_objNodeToSet;
this.RightNode.LeftNode = this;
return p_objNodeToSet;
}
private Direction DetermineDirection(Node2D p_objCurrentNode, double p_dblX, double p_dblY)
{
if (p_dblX > p_objCurrentNode.Rectangle.XCoordinate + Constants.RECTANGLE_WIDTH + Constants.RECTANGLE_SPACE_WIDTH && p_dblX < p_objCurrentNode.Rectangle.XCoordinate + Constants.RECTANGLE_WIDTH + Constants.RECTANGLE_WIDTH + Constants.RECTANGLE_SPACE_WIDTH &&
p_dblY > p_objCurrentNode.Rectangle.YCoordinate && p_dblY < p_objCurrentNode.Rectangle.YCoordinate + Constants.RECTANGLE_WIDTH)
{
return Direction.Right;
}
else if (p_dblX < p_objCurrentNode.Rectangle.XCoordinate - Constants.RECTANGLE_SPACE_WIDTH && p_dblX > p_objCurrentNode.Rectangle.XCoordinate - Constants.RECTANGLE_WIDTH - Constants.RECTANGLE_SPACE_WIDTH &&
p_dblY > p_objCurrentNode.Rectangle.YCoordinate && p_dblY < p_objCurrentNode.Rectangle.YCoordinate + Constants.RECTANGLE_WIDTH)
{
return Direction.Left;
}
else if (p_dblX > p_objCurrentNode.Rectangle.XCoordinate && p_dblX < p_objCurrentNode.Rectangle.XCoordinate + Constants.RECTANGLE_WIDTH &&
p_dblY > p_objCurrentNode.Rectangle.YCoordinate + Constants.RECTANGLE_WIDTH + Constants.RECTANGLE_SPACE_WIDTH && p_dblY < p_objCurrentNode.Rectangle.YCoordinate + Constants.RECTANGLE_WIDTH + Constants.RECTANGLE_WIDTH + Constants.RECTANGLE_SPACE_WIDTH)
{
return Direction.Down;
}
else if (p_dblX > p_objCurrentNode.Rectangle.XCoordinate && p_dblX < p_objCurrentNode.Rectangle.XCoordinate + Constants.RECTANGLE_WIDTH &&
p_dblY > p_objCurrentNode.Rectangle.YCoordinate - Constants.RECTANGLE_WIDTH - Constants.RECTANGLE_WIDTH && p_dblY < p_objCurrentNode.Rectangle.YCoordinate - Constants.RECTANGLE_SPACE_WIDTH)
{
return Direction.Up;
}
return Direction.None;
}
