/// <summary>
/// Create lines between nodes
/// </summary>
/// <param name="nodesWithVisuals">List of nodes</param>
/// <param name="mainCanvas">Canvas where to draw lines</param>
public void CreateConnectingLines(Dictionary <int, NodeWithVisuals> nodesWithVisuals, Canvas mainCanvas)
{
int size = Definitions.Size;
int halfSize = Definitions.HalfSize;
var visualsFactory = new VisualsFactory();
foreach (var nodeWithVisual in nodesWithVisuals)
{
var lines = new List <Line>();
foreach (var adjacentNode in nodeWithVisual.Value.adjacentNodes)
{
var adjecetNodeVisual = nodesWithVisuals.First(node => node.Key == adjacentNode);
if (nodeWithVisual.Key == adjecetNodeVisual.Key)
{
var lineVisualPartOne = visualsFactory.CreateLine(nodeWithVisual.Value.X + size - size / 10, nodeWithVisual.Value.Y + halfSize, adjecetNodeVisual.Value.X + size + size / 5, adjecetNodeVisual.Value.Y + size, mainCanvas);
lines.Add(lineVisualPartOne);
var lineVisualPArtTwo = visualsFactory.CreateLine(nodeWithVisual.Value.X + halfSize, nodeWithVisual.Value.Y + size - size / 10, adjecetNodeVisual.Value.X + size + size / 5, adjecetNodeVisual.Value.Y + size, mainCanvas);
lines.Add(lineVisualPArtTwo);
}
else
{
var lineVisual = visualsFactory.CreateLine(nodeWithVisual.Value.X + halfSize, nodeWithVisual.Value.Y + halfSize, adjecetNodeVisual.Value.X + halfSize, adjecetNodeVisual.Value.Y + halfSize, mainCanvas);
lines.Add(lineVisual);
}
}
nodeWithVisual.Value.Lines = lines;
}
}
public void CreateEventHandlers(Canvas mainCanvas)
{
foreach (var nodeWithVisuals in _nodesWithVisuals)
{
Border nodeVisual = new VisualsFactory().CreateNode(nodeWithVisuals.Value.X, nodeWithVisuals.Value.Y, mainCanvas, nodeWithVisuals.Value, NodeSelected);
nodeWithVisuals.Value.VisualRepresentation = nodeVisual;
}
}
/// <summary>
/// Select lines between given nodes in path
/// </summary>
/// <param name="path">id of nodes on shortest path</param>
/// <param name="nodesWithVisuals">all nodes in graph</param>
/// <param name="nodesSelected">list of nodes selected</param>
/// <param name="mainCanvas">canvas to draw selected lines</param>
public void DrawPath(Node[] path, Dictionary <int, NodeWithVisuals> nodesWithVisuals, List <NodeWithVisuals> nodesSelected, Canvas mainCanvas)
{
var visualsFactory = new VisualsFactory();
NodeWithVisuals previousNode = null;
foreach (var node in path)
{
var currentNode = nodesWithVisuals[node.id];
if (previousNode != null)
{ //TODO better line marking, now it just add lines...after while will overflow
var lineVisual = visualsFactory.CreateLine(currentNode.X + Definitions.HalfSize, currentNode.Y + Definitions.HalfSize, previousNode.X + Definitions.HalfSize, previousNode.Y + Definitions.HalfSize, mainCanvas);
lineVisual.Stroke = Definitions.SelectionColor;
currentNode.Lines.Add(lineVisual);
currentNode.VisualRepresentation.BorderBrush = Definitions.SelectionColor;
nodesSelected.Add(currentNode);
}
previousNode = currentNode;
}
}