private void AddChildNodes(ShapeBase currentShape, Parse[] childParses)
{
foreach (Parse childParse in childParses)
{
// if this is not a token node (token node = one of the words of the sentence)
if (childParse.Type != MaximumEntropyParser.TokenNode)
{
ShapeBase childShape = currentShape.AddChild(childParse.Type);
if (childParse.IsPosTag)
{
childShape.ShapeColor = Color.DarkGoldenrod;
}
else
{
childShape.ShapeColor = Color.SteelBlue;
}
AddChildNodes(childShape, childParse.GetChildren());
childShape.Expand();
}
else
{
Span parseSpan = childParse.Span;
string token = childParse.Text.Substring(parseSpan.Start, (parseSpan.End) - (parseSpan.Start));
ShapeBase childShape = currentShape.AddChild(token);
childShape.ShapeColor = Color.Ivory;
}
}
}
private void ShowParse()
{
if (txtInput.Text.Length == 0)
{
return;
}
//prepare the UI
txtInput.Enabled = false;
btnParse.Enabled = false;
this.Cursor = Cursors.WaitCursor;
lithiumControl.NewDiagram();
//do the parsing
if (mParser == null)
{
mParser = new EnglishTreebankParser(mModelPath, true, false);
}
mParse = mParser.DoParse(txtInput.Text);
if (mParse.Type == MaximumEntropyParser.TopNode)
{
mParse = mParse.GetChildren()[0];
}
//display the parse result
ShapeBase root = this.lithiumControl.Root;
root.Text = mParse.Type;
root.Visible = true;
AddChildNodes(root, mParse.GetChildren());
root.Expand();
this.lithiumControl.DrawTree();
//restore the UI
this.Cursor = Cursors.Default;
txtInput.Enabled = true;
btnParse.Enabled = true;
}
/// <summary>
/// Makes a simple demo diagram (not scientifically correct)
/// </summary>
private void MakeExample()
{
this.lithiumControl.Root.Text = "Ecosystem";
ShapeBase root = this.lithiumControl.Root;
ShapeBase ert = root.AddChild("Earth");
ShapeBase com = root.AddChild("Community");
ShapeBase pop = com.AddChild("Population");
ShapeBase org = com.AddChild("Organism");
ShapeBase bac = com.AddChild("Bacteria");
ShapeBase vir = com.AddChild("Virus");
com.Expand();
ShapeBase euk = bac.AddChild("Eukaryotes");
ShapeBase arch = bac.AddChild("Archea");
ShapeBase pro = euk.AddChild("Protista");
ShapeBase fla = pro.AddChild("Flagellates");
ShapeBase amo = pro.AddChild("Amoeba");
ShapeBase alg = pro.AddChild("Algae");
ShapeBase par = pro.AddChild("Parasites");
ShapeBase anim = pop.AddChild("Animals");
ShapeBase pla = pop.AddChild("Plants");
ShapeBase ins = pop.AddChild("Insects");
ShapeBase ant = ins.AddChild("Ants");
ShapeBase mus = pop.AddChild("Mushrooms");
//re-order and center a bit to please the eyes
root.Move(new Point(20 - root.X, Convert.ToInt32(this.lithiumControl.Height / 2) - root.Y));
bac.Collapse(true);
//as well as some coloring
this.mnuColorLevels_Click(null, EventArgs.Empty);
}
