private TreeNode FindTreeNode(PlaneStructure structure)
{
//polygons
foreach (GeometricNode node in treeView.Nodes)
{
if (node.Structure == structure)
{
return(node);
}
//edges
foreach (GeometricNode edgeNode in node.Nodes[0].Nodes)
{
if (edgeNode.Structure == structure)
{
return(edgeNode);
}
}
//vertices
foreach (GeometricNode vertexNode in node.Nodes[1].Nodes)
{
if (vertexNode.Structure == structure)
{
return(vertexNode);
}
}
}
return(null);
}
public void DeleteStructure(PlaneStructure structure)
{
if (structure is Polygon)
{
polygons.Remove(structure as Polygon);
return;
}
var polygon = structure.UnderlyingPolygon;
if (polygon == null)
{
return;
}
if (structure is Edge)
{
polygon.DeleteEdge(structure as Edge);
}
else if (structure is Vertex)
{
polygon.DeleteVertex(structure as Vertex);
}
if (polygon.GetEdges().Count <= 2)
{
DeleteStructure(polygon);
}
}
private void ItemSelected(object sender, TreeViewEventArgs e)
{
//close currently drawn polygon
polygonManager.HandleMouseDown();
var node = e.Node as GeometricNode;
if (node.Type == NodeType.EdgesList || node.Type == NodeType.VerticesList)
{
structureSelected = null;
return;
}
StructureSelected(node.Structure);
}
private void StructureSelected(PlaneStructure structure)
{
polygonManager.ClearDrawColor(Color.Black);
structureSelected = structure;
if (structure != null)
{
structure.DrawingColor = Color.Red;
}
else
{
treeView.SelectedNode = null;
}
polygonManager.UpdateSelectedStructure(structureSelected);
}
public void InitPolygonAdd()
{
if (mouseState == MouseState.Drawing && currentStructure is Polygon)
{
TryClosePolygon(currentStructure as Polygon);
}
if (mouseState != MouseState.Normal)
{
return;
}
mouseState = MouseState.Drawing;
var polygon = new Polygon();
currentStructure = polygon;
polygons.Add(polygon);
Update();
OnStructureChanged?.Invoke(this, polygon);
}
public GeometricNode(String name, NodeType type, PlaneStructure structure) : base(name)
{
Structure = structure;
Type = type;
}
public void UpdateSelectedStructure(PlaneStructure structure)
{
currentStructure = structure;
Update();
}
