protected virtual bool EnsureCurAddToExists(out bool created)
{
created = false;
if (overlay.ParseTree == null)
return false;
// find tikzpicture
Parser.Tikz_Picture tpict = overlay.ParseTree.GetTikzPicture();
if (tpict == null)
{
if (overlay.AllowEditing)
{
// add a new tikzpicture
Tikz_Picture tp = new Tikz_Picture();
tp.starttag = "\\begin{tikzpicture}";
tp.AddChild(new Tikz_Something("\r\n"));
tp.endtag = "\\end{tikzpicture}";
//overlay.BeginUpdate();
overlay.ParseTree.AddChild(tp);
tp.UpdateText();
//overlay.EndUpdate();
}
else
return false;
}
if (curAddTo == null || !(curAddTo is Parser.Tikz_Path))
{
created = AddNewCurAddTo();
}
return true;
}
protected bool EnsureParseTreeExists()
{
// Try to create a new ParseTree
if (overlay.ParseTree == null)
{
// TODO
return false;
//TryCreateNew(this, out lret);
if (overlay.AllowEditing)
{
// create a new parsetree
Tikz_ParseTree t = new Tikz_ParseTree();
Tikz_Picture tp = new Tikz_Picture();
tp.starttag = "\\begin{tikzpicture}";
tp.AddChild(new Tikz_Something("\r\n"));
tp.endtag = "\\end{tikzpicture}";
overlay.BeginUpdate();
// overlay.ParseTree = t;
t.AddChild(tp);
tp.UpdateText();
overlay.EndUpdate();
return true;
}
else
{
GlobalUI.UI.ShowMessageBox("Parse tree could not be created. Please correct all parser errors in the code and try again.", "Function not available", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return false;
}
}
else return true;
}
static bool FillItem(TikzContainerParseItem item, CommonTree t, CommonTokenStream tokens)
{
int curToken = t.TokenStartIndex;
if (item is Tikz_ParseTree)
curToken = 0; // for root, start at the beginning
if (t.Children == null)
return false;
foreach (CommonTree childt in t.Children)
{
addSomething(item, tokens, curToken, childt.TokenStartIndex - 1);
switch (childt.Type)
{
case simpletikzParser.IM_PICTURE:
Tikz_Picture tp = new Tikz_Picture();
FillItem(tp, childt, tokens);
item.AddChild(tp);
break;
case simpletikzParser.IM_STARTTAG:
item.starttag = getTokensString(tokens, childt.TokenStartIndex, childt.TokenStopIndex);
break;
case simpletikzParser.IM_ENDTAG:
item.endtag = getTokensString(tokens, childt.TokenStartIndex, childt.TokenStopIndex);
break;
case simpletikzParser.IM_PATH:
Tikz_Path tpath = new Tikz_Path();
FillItem(tpath, childt, tokens);
item.AddChild(tpath);
break;
case simpletikzParser.IM_SCOPE:
Tikz_Scope tscope = new Tikz_Scope();
FillItem(tscope, childt, tokens);
item.AddChild(tscope);
break;
case simpletikzParser.IM_COORD:
Tikz_Coord tc = Tikz_Coord.FromCommonTree(childt, tokens);
tc.text = getTokensString(tokens, childt);
item.AddChild(tc);
break;
case simpletikzParser.IM_ARC:
Tikz_Arc ta = Tikz_Arc.FromCommonTree(childt, tokens);
ta.text = getTokensString(tokens, childt);
item.AddChild(ta);
break;
case simpletikzParser.IM_NODE:
Tikz_Node tn = Tikz_Node.FromCommonTree(childt, tokens);
tn.text = getTokensString(tokens, childt);
item.AddChild(tn);
break;
case simpletikzParser.IM_OPTION_KV:
case simpletikzParser.IM_OPTION_STYLE:
Tikz_Option topt = Tikz_Option.FromCommonTree(childt, tokens);
if (topt == null) break;
//topt.text = getTokensString(tokens, childt);
String s = getTokensString(tokens, childt);
topt.text = s;
item.AddChild(topt);
break;
case simpletikzParser.IM_OPTIONS:
//Tikz_Options to = Tikz_Options.FromCommonTree(childt);
Tikz_Options to = new Tikz_Options();
FillItem(to, childt, tokens);
item.AddChild(to);
//to.text = getTokensString(tokens, childt);
//item.AddChild(tn);
if (item.options == null)
{
// determine whether option belongs to the item (e.g. \draw [this belongs to draw] blabla [thisnot])
// i.e., the scope of the options is the whole item's body
// this is hacky
if (item.Children.Count == 1 ||
(item.Children.Count == 2 && (item.Children[0] is Tikz_Something)
&& item.Children[0].ToString().Trim() == ""))
{
item.options = to;
}
}
break;
case simpletikzParser.IM_TIKZSET:
Tikz_Options to2 = new Tikz_Options();
FillItem(to2, childt, tokens);
item.AddChild(to2);
break;
case simpletikzParser.IM_STYLE:
Tikz_Option topt2 = Tikz_Option.FromCommonTree(childt, tokens);
//FillItem(to2, childt, tokens);
topt2.text = getTokensString(tokens, childt);
item.AddChild(topt2);
break;
case simpletikzParser.IM_CONTROLS:
Tikz_Controls tcontrols = new Tikz_Controls();
FillItem(tcontrols, childt, tokens);
item.AddChild(tcontrols);
break;
case simpletikzParser.IM_SIZE:
Tikz_Size tsize = Tikz_Size.FromCommonTree(childt, tokens);
tsize.text = getTokensString(tokens, childt);
item.AddChild(tsize);
//Tikz_Size tsize = new Tikz_Size();
//item.AddChild(tsize);
break;
//case simpletikzParser.ID:
//case simpletikzParser.IM_STRING:
//case simpletikzParser.COMMAND:
//case simpletikzParser.T__57:
// break;
case simpletikzParser.IM_TIKZEDT_CMD:
Tikz_EdtCommand cmd = new Tikz_EdtCommand(getTokensString(tokens, childt));
item.AddChild(cmd);
break;
case simpletikzParser.IM_DONTCARE:
Tikz_Something st = new Tikz_Something(getTokensString(tokens, childt));
item.AddChild(st);
break;
default:
// getting here is an error
throw new Exception(" childt.Type not handled! " + childt.Type.ToString() + " (\"" + getTokensString(tokens, childt) + "\")");
//break;
}
curToken = childt.TokenStopIndex + 1;
}
if (t.TokenStartIndex >= 0) // rule out empty code
addSomething(item, tokens, curToken, t.TokenStopIndex);
return true;
}