private void BuildAllowedChildSymbolsTree()
{
if (Symbol == null)
{
symbolicExpressionTreeChart.Tree = null;
return;
}
var tree = new SymbolicExpressionTree(new SymbolicExpressionTreeNode(Symbol));
if (Grammar.GetMaximumSubtreeCount(Symbol) > 0)
{
for (int i = 0; i < Grammar.GetMaximumSubtreeCount(Symbol); i++)
{
var node = new DummySymbol("Subtree " + i).CreateTreeNode();
var groupSymbols = grammar.GetAllowedChildSymbols(Symbol, i).OfType <GroupSymbol>().ToList();
foreach (var childSymbol in Grammar.GetAllowedChildSymbols(Symbol, i))
{
if (!groupSymbols.Any(g => g != childSymbol && g.Flatten().Contains(childSymbol)))
{
node.AddSubtree(new SymbolicExpressionTreeNode(childSymbol));
}
}
tree.Root.AddSubtree(node);
}
}
symbolicExpressionTreeChart.Tree = tree;
symbolicExpressionTreeChart.SuspendRepaint = true;
foreach (var subtreeNode in tree.Root.Subtrees)
{
foreach (var allowedChildNode in subtreeNode.Subtrees)
{
var visualLine = symbolicExpressionTreeChart.GetVisualSymbolicExpressionTreeNodeConnection(subtreeNode, allowedChildNode);
visualLine.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;
}
}
for (int i = Grammar.GetMinimumSubtreeCount(symbol); i < Grammar.GetMaximumSubtreeCount(symbol); i++)
{
var subtreeNode = tree.Root.GetSubtree(i);
var visualTreeNode = symbolicExpressionTreeChart.GetVisualSymbolicExpressionTreeNode(subtreeNode);
visualTreeNode.TextColor = Color.Gray;
visualTreeNode.LineColor = Color.LightGray;
var visualLine = symbolicExpressionTreeChart.GetVisualSymbolicExpressionTreeNodeConnection(tree.Root, subtreeNode);
visualLine.LineColor = Color.LightGray;
foreach (var allowedChildNode in subtreeNode.Subtrees)
{
visualTreeNode = symbolicExpressionTreeChart.GetVisualSymbolicExpressionTreeNode(allowedChildNode);
visualTreeNode.TextColor = Color.Gray;
visualTreeNode.LineColor = Color.LightGray;
visualLine = symbolicExpressionTreeChart.GetVisualSymbolicExpressionTreeNodeConnection(subtreeNode, allowedChildNode);
visualLine.LineColor = Color.LightGray;
}
}
symbolicExpressionTreeChart.SuspendRepaint = false;
UpdateSelectedSymbolicExpressionTreeNodes();
}
public DummySymbol(DummySymbol original, Cloner cloner) : base(original, cloner)
{
}
private void BuildAllowedChildSymbolsTree() {
if (Symbol == null) {
symbolicExpressionTreeChart.Tree = null;
return;
}
var tree = new SymbolicExpressionTree(new SymbolicExpressionTreeNode(Symbol));
if (Grammar.GetMaximumSubtreeCount(Symbol) > 0) {
for (int i = 0; i < Grammar.GetMaximumSubtreeCount(Symbol); i++) {
var node = new DummySymbol("Subtree " + i).CreateTreeNode();
var groupSymbols = grammar.GetAllowedChildSymbols(Symbol, i).OfType<GroupSymbol>().ToList();
foreach (var childSymbol in Grammar.GetAllowedChildSymbols(Symbol, i)) {
if (!groupSymbols.Any(g => g != childSymbol && g.Flatten().Contains(childSymbol)))
node.AddSubtree(new SymbolicExpressionTreeNode(childSymbol));
}
tree.Root.AddSubtree(node);
}
}
symbolicExpressionTreeChart.Tree = tree;
symbolicExpressionTreeChart.SuspendRepaint = true;
foreach (var subtreeNode in tree.Root.Subtrees) {
foreach (var allowedChildNode in subtreeNode.Subtrees) {
var visualLine = symbolicExpressionTreeChart.GetVisualSymbolicExpressionTreeNodeConnection(subtreeNode, allowedChildNode);
visualLine.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;
}
}
for (int i = Grammar.GetMinimumSubtreeCount(symbol); i < Grammar.GetMaximumSubtreeCount(symbol); i++) {
var subtreeNode = tree.Root.GetSubtree(i);
var visualTreeNode = symbolicExpressionTreeChart.GetVisualSymbolicExpressionTreeNode(subtreeNode);
visualTreeNode.TextColor = Color.Gray;
visualTreeNode.LineColor = Color.LightGray;
var visualLine = symbolicExpressionTreeChart.GetVisualSymbolicExpressionTreeNodeConnection(tree.Root, subtreeNode);
visualLine.LineColor = Color.LightGray;
foreach (var allowedChildNode in subtreeNode.Subtrees) {
visualTreeNode = symbolicExpressionTreeChart.GetVisualSymbolicExpressionTreeNode(allowedChildNode);
visualTreeNode.TextColor = Color.Gray;
visualTreeNode.LineColor = Color.LightGray;
visualLine = symbolicExpressionTreeChart.GetVisualSymbolicExpressionTreeNodeConnection(subtreeNode, allowedChildNode);
visualLine.LineColor = Color.LightGray;
}
}
symbolicExpressionTreeChart.SuspendRepaint = false;
UpdateSelectedSymbolicExpressionTreeNodes();
}
public DummySymbol(DummySymbol original, Cloner cloner) : base(original, cloner) { }