private void Initialize(SyntaxTree tree)
{
m_children = new List<Connector>();
m_traces = new List<Trace>();
m_decoration = new Decoration(DecorationMode.None, DecorationShape.Rectangle);
m_displaytype = NodeDisplayType.Normal;
/*m_label = new RichText("",Dummy.TextAndColorToRtf("",m_tree.m_options.labelfont));
m_lexical = new RichText("", Dummy.TextAndColorToRtf("", m_tree.m_options.lexicalfont));*/
m_label = new RichText("", "{\\rtf }");
m_lexical = new RichText("", "{\\rtf }");
}
public static SyntaxTree FromBracketing(String text)
{
SyntaxTree st = new SyntaxTree();
Node current = null;
StringBuilder sb = null;
int mode = 0;
char openBracket;
char closeBracket;
if (text.Length > 0 && text[0] == '(')
{
openBracket = '(';
closeBracket = ')';
}
else
{
openBracket = '[';
closeBracket = ']';
}
for (int i = 0; i < text.Length; i++)
{
switch (mode)
{
case 0:
if (text[i] == openBracket)
{
mode = 1;
if (current == null)
{
current = new Node(st);
st.Root = current;
}
else
{
Node newnode = current.AddChild();
current = newnode;
}
sb = new StringBuilder();
}
else
throw new TreeException("Bracketing syntax error: expected open bracket");
break;
case 1:
if (text[i] == ' ' || text[i] == openBracket || text[i] == closeBracket)
{
if (sb != null)
{
SetNodeLabelSimple(current, sb.ToString());
sb = null;
}
if (text[i] == ' ')
{
mode = 2;
sb = new StringBuilder();
}
if (text[i] == closeBracket)
{
current = current.GetParent();
if (current == null)
mode = 4;
}
if (text[i] == openBracket)
{
mode = 0;
i--;
}
}
else
if (sb != null)
sb.Append(text[i]);
break;
case 2:
if (text[i] == closeBracket || text[i] == openBracket)
{
if (sb != null)
{
String n = sb.ToString().Trim();
if (n != String.Empty)
SetNodeLexicalSimple(current, n);
sb = null;
}
if (text[i] == closeBracket)
{
current = current.GetParent();
if (current == null)
mode = 4;
}
if (text[i] == openBracket)
{
mode = 0;
i--;
}
}
else
if (sb != null)
sb.Append(text[i]);
break;
case 4:
throw new TreeException("Bracketing syntax error: Unexpected garbage at end");
}
}
if (current != null)
throw new TreeException("Bracketing sytnax error: premature termination of string");
return st;
}
public Node(Node parent)
{
this.m_parent = parent;
this.m_tree = parent.m_tree;
Initialize(this.m_tree);
}
public void SetBranchTree(SyntaxTree tree)
{
m_tree = tree;
foreach (Connector connector in m_children)
connector.Child.SetBranchTree(tree);
}
public Node(SyntaxTree tree)
{
this.m_tree = tree;
this.m_parent = null;
Initialize(tree);
}
public static SyntaxTree GetDefaultTree()
{
SyntaxTree ret = new SyntaxTree();//!!
//ret.Root.SetLabelRtfAndText(Dummy.TextAndColorToRtf("S",ret.m_options.labelfont),"S");
return ret;
}
public SyntaxTreeViewer()
: base()
{
//SetStyle(ControlStyles.AllPaintingInWmPaint, true);
//SetStyle(ControlStyles.UserPaint, true);
//SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
InitializeComponent();
InitDummyComponent();
InitMenus();
undo = new UndoManager(this);
ResizeRedraw = true;
m_mousemode = MouseMode.None;
zoom = 1.0f;
m_syntax = new SyntaxTree();
if (m_syntax != null)
{
UpdateTreeData();
FireStructureChanged();
}
}
internal void SetCurrentTree(SyntaxTree t, bool clearUndo)
{
if (clearUndo)
undo.Clear();
m_syntax = t;
m_mousemode = MouseMode.None;
ReleaseRequestForElem();
ReleaseGDIResources();
UpdateEverything(false);
}
public void SetCurrentTree(SyntaxTree t)
{
SetCurrentTree(t, true);
}