public override void OnLeftMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
if (!EnsureParseTreeExists())
return;
Point prast = overlay.Rasterizer.RasterizePixel(p);
p = overlay.Rasterizer.RasterizePixelToTikz(p);
if (ContinueWithBigImage(p) == false)
return;
overlay.BeginUpdate();
overlay.SetCorrectRaster(overlay.CurEditing, true);
//Point p = new Point(e.GetPosition(canvas1).X, Height - e.GetPosition(canvas1).Y);
// find next tikzpicture and add
bool lcreated;
if (EnsureCurAddToExists(out lcreated))
{
{
// there are three states: (i) new path -> add coordinate
// (ii) add controlpoints
// (iii) 2 cps's added -> add bezier segment
if (CPCount == 2)
{
// add controls
Tikz_Controls tcont = new Tikz_Controls();
tcont.starttag = " .. controls ";
tcont.endtag = " ..";
Parser.Tikz_Coord tc1 = new Parser.Tikz_Coord(), tc2 = new Parser.Tikz_Coord(); // control points
tc1.type = tc2.type = overlay.UsePolarCoordinates ? Parser.Tikz_CoordType.Polar : Parser.Tikz_CoordType.Cartesian;
tcont.AddChild(tc1);
tcont.AddChild(new Tikz_Something(" and "));
tcont.AddChild(tc2);
curAddTo.AddChild(tcont);
// the endpoint
Parser.Tikz_Coord tcend = new Parser.Tikz_Coord();
tcend.type = overlay.UsePolarCoordinates ? Parser.Tikz_CoordType.Polar : Parser.Tikz_CoordType.Cartesian;
curAddTo.AddChild(new Tikz_Something(" "));
curAddTo.AddChild(tcend);
// do it here since the coordinate calculation needs the parents' coord. transform, and the second added point
tcend.SetAbsPos(p);
tc1.SetAbsPos(CP1);
tc2.SetAbsPos(CP2);
tcont.UpdateText();
tcend.UpdateText();
// draw the added objects in the overlay
// overlay.AddToDisplayTree(tcend);
// overlay.AddToDisplayTree(tcont);
CPCount = 0;
Preview_CP1.Visible = Preview_CP2.Visible = false;
}
else if (lcreated)
{
// add starting point
// create new coordinate
Parser.Tikz_Coord tc = new Parser.Tikz_Coord();
tc.type = overlay.UsePolarCoordinates ? Parser.Tikz_CoordType.Polar : Parser.Tikz_CoordType.Cartesian;
curAddTo.AddChild(tc);
// do it here since the coordinate calculation needs the parents' coord. transform
tc.SetAbsPos(new Point(p.X, p.Y)); //hack
curAddTo.UpdateText();
// draw the added object in the overlay
// overlay.AddToDisplayTree(tc);
CPCount = 0;
} else
{
// remember control points
if (CPCount == 0)
{
CP1 = p;
Preview_CP1.SetCenter(prast.X, prast.Y);
////Canvas.SetLeft(Preview_CP1, prast.X - Preview_CP1.Width / 2);
////Canvas.SetBottom(Preview_CP1, prast.Y - Preview_CP1.Height / 2);
////if (!overlay.canvas.Children.Contains(Preview_CP1))
//// overlay.canvas.Children.Add(Preview_CP1);
////Preview_CP1.Visibility = Visibility.Visible;
Preview_CP1.Visible = true;
}
else if (CPCount == 1)
{
CP2 = p;
Preview_CP2.SetCenter(prast.X, prast.Y);
////Canvas.SetLeft(Preview_CP2, prast.X - Preview_CP2.Width / 2);
////Canvas.SetBottom(Preview_CP2, prast.Y - Preview_CP2.Height / 2);
////if (!overlay.canvas.Children.Contains(Preview_CP2))
//// overlay.canvas.Children.Add(Preview_CP2);
////Preview_CP2.Visibility = Visibility.Visible;
Preview_CP2.Visible = true;
}
CPCount++;
}
}
}
overlay.EndUpdate();
}
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;
}