public override void OnRightMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
//base.OnRightMouseButtonDown(item, p, e);
// if a node is selected, unselect it
if (curSel != null)
{
curSel = null;
e.Handled = true; // we don't want anything else to happen (contextmenu opening etc)
}
}
void on_PositionChanged(OverlayNode sender)
{
if (Origin1 != null)
{
View.SetOrigin1(Origin1.View.GetLeft(), pol.Height - Origin1.View.GetBottom(), pol.Height);
}
if (Origin2 != null)
{
View.SetOrigin2(Origin2.View.GetLeft(), pol.Height - Origin2.View.GetBottom(), pol.Height);
}
}
public void BindToOrigin()
{
// find the correct node (s)
OverlayNode on1 = null, on2 = null;
if (tikzitem.parent is Tikz_Controls) //lineToOrigin1 == null && lineToOrigin2 == null &&
{
Tikz_Controls pa = tikzitem.parent as Tikz_Controls;
foreach (OverlayShape o in pol.GetAllDescendants(null))
{
if (o is OverlayNode)
{
if ((o as OverlayNode).tikzitem == pa.CoordBefore)
{
on1 = o as OverlayNode;
}
else if ((o as OverlayNode).tikzitem == pa.CoordAfter)
{
on2 = o as OverlayNode;
}
}
}
if (pa.FirstCP == tikzitem && on1 != null) // bind to first
{
//lineToOrigin1 = new Line() { Stroke = Brushes.Gray, StrokeDashArray = new DoubleCollection(new double[] { 4, 4 }) };
//Canvas.SetZIndex(lineToOrigin1, -1);
Origin1 = on1;
on_PositionChanged(on1);
//pol.canvas.Children.Add(lineToOrigin1);
//lineToOrigin1.Visibility = Visibility.Visible;
on1.PositionChanged += new PositionChangedHandler(on_PositionChanged);
}
if (pa.LastCP == tikzitem && on2 != null) // bind to second
{
//lineToOrigin2 = new Line() { Stroke = Brushes.Gray, StrokeDashArray = new DoubleCollection(new double[] { 4, 4 }) };
//Canvas.SetZIndex(lineToOrigin2, -1);
Origin2 = on2;
on_PositionChanged(on2);
//pol.canvas.Children.Add(lineToOrigin2);
//lineToOrigin2.Visibility = Visibility.Visible;
on2.PositionChanged += new PositionChangedHandler(on_PositionChanged);
}
}
}
void on_PositionChanged(OverlayNode sender)
{
if (Origin1 != null)
View.SetOrigin1(Origin1.View.GetLeft(), pol.Height - Origin1.View.GetBottom(), pol.Height);
if (Origin2 != null)
View.SetOrigin2(Origin2.View.GetLeft(), pol.Height - Origin2.View.GetBottom(), pol.Height);
}
/// <summary>
/// Finds the correct VMs that correspond to the endpoints of the Bezier segment in the
/// provided List of known OverlayShapes.
///
/// </summary>
/// <param name="AllOverlayShapes"></param>
public void BindToOrigin(IEnumerable<OverlayShapeVM> AllOverlayShapes)
{
// find the correct node (s)
OverlayNode on1 = null, on2 = null;
if (tikzitem.parent is Tikz_Controls) //lineToOrigin1 == null && lineToOrigin2 == null &&
{
Tikz_Controls pa = tikzitem.parent as Tikz_Controls;
foreach (var o in AllOverlayShapes.OfType < OverlayNode>())
{
if (o.tikzitem == pa.CoordBefore)
on1 = o;
else if (o.tikzitem == pa.CoordAfter)
on2 = o;
}
if (pa.FirstCP == tikzitem && on1 != null) // bind to first
{
//lineToOrigin1 = new Line() { Stroke = Brushes.Gray, StrokeDashArray = new DoubleCollection(new double[] { 4, 4 }) };
//Canvas.SetZIndex(lineToOrigin1, -1);
Origin1 = on1;
//on_PositionChanged(on1);
//pol.canvas.Children.Add(lineToOrigin1);
//lineToOrigin1.Visibility = Visibility.Visible;
//on1.PositionChanged += new PositionChangedHandler(on_PositionChanged);
}
if (pa.LastCP == tikzitem && on2 != null) // bind to second
{
//lineToOrigin2 = new Line() { Stroke = Brushes.Gray, StrokeDashArray = new DoubleCollection(new double[] { 4, 4 }) };
//Canvas.SetZIndex(lineToOrigin2, -1);
Origin2 = on2;
//on_PositionChanged(on2);
//pol.canvas.Children.Add(lineToOrigin2);
//lineToOrigin2.Visibility = Visibility.Visible;
//on2.PositionChanged += new PositionChangedHandler(on_PositionChanged);
}
}
}
/// <summary>
/// Draws the TikzParseItem tpi, if it is drawn, or its children, if they can be drawn,
/// or grandchildren etc..., and adds the drawn items to bag.
/// </summary>
/// <param name="tpi"></param>
/// <param name="bag"></param>
public void DrawObject(TikzParseItem tpi, List <OverlayShape> bag)
{
//BBGatherer bbg = new BBGatherer();
if (bag == null)
{
bag = new List <OverlayShape>(); // dummy, it is not used
}
if (tpi is Tikz_Scope)
{
OverlayScope os = new OverlayScope(ShapeFactory.NewScopeView());
os.pol = this;
os.tikzitem = tpi as Tikz_Scope;
foreach (TikzParseItem t in (tpi as TikzContainerParseItem).Children)
{
DrawObject(t, os.children);
}
// don't draw scopes with no drawable children
// (we don't know where to render them)
if (os.children.Count > 0)
{
bag.Add(os);
os.AdjustPosition(Resolution);
////canvas1.Children.Add(os);
}
}
else if (tpi is TikzContainerParseItem)
{
foreach (TikzParseItem t in (tpi as TikzContainerParseItem).Children)
{
DrawObject(t, bag);
}
}
if (tpi is Tikz_XYItem)
{
if ((tpi as Tikz_XYItem).HasEditableCoordinate())
{
OverlayNode el;
if (tpi.parent is Tikz_Controls)
{
el = new OverlayControlPoint(ShapeFactory.NewCPView()); // control points for Bezier curves
}
else
{
el = new OverlayNode(ShapeFactory.NewNodeView());
}
el.pol = this;
el.tikzitem = tpi as Tikz_XYItem;
//Ellipse el = new Ellipse();
//el.Stroke = Brushes.Red;
el.AdjustPosition(Resolution);
// add tooltip
Tikz_Node nref = TikzParseTreeHelper.GetReferenceableNode(tpi as Tikz_XYItem, ParseTree.GetTikzPicture());
if (nref != null && nref.name != "")
{
el.View.SetToolTip(nref.name);
}
////canvas1.Children.Add(el);
bag.Add(el);
//bbg.Add(new Rect(Canvas.GetLeft(el), Canvas.GetTop(el), el.Width, el.Height));
}
}
else if (tpi is Tikz_Path)
{
//could this be a possibility to show edges and provide backward search?
//there are many possibility for draw commands. here we
/* string simpleEdge_RegexString = @"[ \t\s]*\\draw.*\((?<start>.*)\).*\((?<end>.*)\).*";
* Regex BB_Regex = new Regex(simpleEdge_RegexString);
* Match m = BB_Regex.Match(tpi.ToString());
* if (m.Success == true)
* {
* //we just found a LaTex draw cmd, e.g.: \draw[default_edge] (v91) to (v99);
*
* //get both nodes
* Tikz_Node StartNode = tpi.parent.GetNodeByName(m.Groups[1].Value);
* Tikz_Node EndNode = tpi.parent.GetNodeByName(m.Groups[2].Value);
*
* if (StartNode != null && EndNode != null)
* {
* //and determine the position in between both nodes
* Point start, end;
* if (StartNode.GetAbsPos()
* double x = (StartNode.GetAbsPos().X + EndNode.GetAbsPos().X) / 2;
* double y = (StartNode.GetAbsPos().Y + EndNode.GetAbsPos().Y) / 2;
*
* //draw an arrow at this pos.
* //(new Point(x, y));
* //and when clicked, jump to AvalonEdit at position tpi.StartPosition
* }
*
* } */
}
}
public override void OnRightMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
//base.OnRightMouseButtonDown(item, p, e);
// if a node is selected, unselect it
if (curSel != null)
{
curSel = null;
e.Handled = true; // we don't want anything else to happen (contextmenu opening etc)
}
}
public override void OnLeftMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
if (!(item is OverlayNode))
{
curSel = null;
return;
}
OverlayNode n = item as OverlayNode;
// make sure a referenceable item is selected... otherwise we cannot add an edge
if (!IsReferenceable(item))
{
GlobalUI.UI.AddStatusLine(this, "Only items that are referenceable (=can be given names) can be connected with the edge tool.");
return;
}
if (curSel == null)
{
curSel = n;
return;
}
// make sure both nodes involved are nodes
/* if (!(curSel.tikzitem is Tikz_Node) || !(n.tikzitem is Tikz_Node))
{
String which = ""; String verb = "is";
if (!(curSel.tikzitem is Tikz_Node) && !(n.tikzitem is Tikz_Node))
{ which = "Both"; verb = "are"; }
else if (!(curSel.tikzitem is Tikz_Node))
which = "The first";
else if (!(n.tikzitem is Tikz_Node))
which = "The second";
MainWindow.AddStatusLine(which + " of the selected coordinates " + verb + " not a node (i.e. not defined with \\node but rather with \\draw or \\path)", true);
curSel = null;
return; // hack
} */
//the return from above must not interfere with BeginModify()
overlay.BeginUpdate();
// add an edge curSel to n
//bool lcreated;
//if (EnsureCurAddToExists(out lcreated))
//always create new \draw command. otherwise it can happen that the \draw-command
//is above the \node-definition which causes an error while compiling the latex code.
if (AddNewCurAddTo())
{
// make sure both nodes involved have names
Parser.Tikz_Node t1 = MakeReferenceableNode(curSel.tikzitem),
t2 = MakeReferenceableNode(n.tikzitem);
Parser.Tikz_Coord tc1 = new Parser.Tikz_Coord();
tc1.type = Parser.Tikz_CoordType.Named;
Parser.Tikz_Coord tc2 = new Parser.Tikz_Coord();
tc2.type = Parser.Tikz_CoordType.Named;
curAddTo.AddChild(new Parser.Tikz_Something(" "));
curAddTo.AddChild(tc1);
if (t1 == t2)
curAddTo.AddChild(new Parser.Tikz_Something(" edge[loop, looseness=20] "));
else
curAddTo.AddChild(new Parser.Tikz_Something(" edge "));
curAddTo.AddChild(tc2);
//tpict.AddChild(tp);
// make sure both nodes have names
/* Tikz_Picture tpict = overlay.ParseTree.GetTikzPicture();
if (t1.name == "")
{
t1.SetName(tpict.GetUniqueName());
t1.UpdateText();
}
if (t2.name == "")
{
t2.SetName(tpict.GetUniqueName());
t2.UpdateText();
}
*/
tc1.nameref = t1.name;
tc2.nameref = t2.name;
//tc1.UpdateText();
curAddTo.UpdateText();
//tpict.UpdateText();
// txtCode_TextChanged
//RedrawObjects();
//if (OnModified != null)
// OnModified.Invoke();
//edge was drawn. release currently selected node.
curSel = null;
//will neither want to path tool to start from this last select nodes.
curAddTo = null;
}
//forgetting to call EndModify causes weird "No undo group should be open at this point"-message.
overlay.EndUpdate();
}
public override void OnDeactivate()
{
base.OnDeactivate();
curSel = null;
}
IEnumerable<OverlayShapeVM> CreateOverlayShapesFromItem(TikzParseItem tpi)
{
var ret = new List<OverlayShapeVM>();
if (tpi is Tikz_Scope)
{
OverlayScope os = new OverlayScope();
//os.pol = this;
os.tikzitem = tpi as Tikz_Scope;
// add child shapes
os.children.AddRange( (tpi as TikzContainerParseItem).Children.SelectMany( child => CreateOverlayShapesFromItem(child) ) );
//foreach (TikzParseItem t in (tpi as TikzContainerParseItem).Children)
// DrawObject(t, os.children);
// don't draw scopes with no drawable children
// (we don't know where to render them)
if (os.children.Count > 0)
{
ret.Add(os);
os.AdjustPosition(TikzToScreen);
}
}
else if (tpi is TikzContainerParseItem)
{
ret.AddRange( (tpi as TikzContainerParseItem).Children.SelectMany( child => CreateOverlayShapesFromItem(child) ) );
}
else if (tpi is Tikz_XYItem)
{
if ((tpi as Tikz_XYItem).HasEditableCoordinate())
{
OverlayNode el;
if (tpi.parent is Tikz_Controls)
el = new OverlayControlPoint(); // control points for Bezier curves
else
el = new OverlayNode();
//el.pol = this;
el.tikzitem = tpi as Tikz_XYItem;
el.AdjustPosition(TikzToScreen);
// add tooltip
if (ParseTree != null)
{
Tikz_Node nref = TikzParseTreeHelper.GetReferenceableNode(tpi as Tikz_XYItem, ParseTree.GetTikzPicture());
if (nref != null && !String.IsNullOrWhiteSpace(nref.name))
{
el.ToolTip = nref.name;
}
}
////canvas1.Children.Add(el);
ret.Add(el);
//bbg.Add(new Rect(Canvas.GetLeft(el), Canvas.GetTop(el), el.Width, el.Height));
}
}
else if (tpi is Tikz_Path)
{
}
return ret;
}
/// <summary>
/// Draws the TikzParseItem tpi, if it is drawn, or its children, if they can be drawn,
/// or grandchildren etc..., and adds the drawn items to bag.
/// </summary>
/// <param name="tpi"></param>
/// <param name="bag"></param>
public void DrawObject(TikzParseItem tpi, List<OverlayShape> bag)
{
//BBGatherer bbg = new BBGatherer();
if (bag == null)
bag = new List<OverlayShape>(); // dummy, it is not used
if (tpi is Tikz_Scope)
{
OverlayScope os = new OverlayScope(ShapeFactory.NewScopeView());
os.pol = this;
os.tikzitem = tpi as Tikz_Scope;
foreach (TikzParseItem t in (tpi as TikzContainerParseItem).Children)
DrawObject(t, os.children);
// don't draw scopes with no drawable children
// (we don't know where to render them)
if (os.children.Count > 0)
{
bag.Add(os);
os.AdjustPosition(Resolution);
////canvas1.Children.Add(os);
}
}
else if (tpi is TikzContainerParseItem)
{
foreach (TikzParseItem t in (tpi as TikzContainerParseItem).Children)
DrawObject(t, bag);
}
if (tpi is Tikz_XYItem)
{
if ((tpi as Tikz_XYItem).HasEditableCoordinate())
{
OverlayNode el;
if (tpi.parent is Tikz_Controls)
el = new OverlayControlPoint(ShapeFactory.NewCPView()); // control points for Bezier curves
else
el = new OverlayNode(ShapeFactory.NewNodeView());
el.pol = this;
el.tikzitem = tpi as Tikz_XYItem;
//Ellipse el = new Ellipse();
//el.Stroke = Brushes.Red;
el.AdjustPosition(Resolution);
// add tooltip
Tikz_Node nref = TikzParseTreeHelper.GetReferenceableNode(tpi as Tikz_XYItem, ParseTree.GetTikzPicture());
if (nref != null && nref.name != "")
{
el.View.SetToolTip(nref.name);
}
////canvas1.Children.Add(el);
bag.Add(el);
//bbg.Add(new Rect(Canvas.GetLeft(el), Canvas.GetTop(el), el.Width, el.Height));
}
}
else if (tpi is Tikz_Path)
{
//could this be a possibility to show edges and provide backward search?
//there are many possibility for draw commands. here we
/* string simpleEdge_RegexString = @"[ \t\s]*\\draw.*\((?<start>.*)\).*\((?<end>.*)\).*";
Regex BB_Regex = new Regex(simpleEdge_RegexString);
Match m = BB_Regex.Match(tpi.ToString());
if (m.Success == true)
{
//we just found a LaTex draw cmd, e.g.: \draw[default_edge] (v91) to (v99);
//get both nodes
Tikz_Node StartNode = tpi.parent.GetNodeByName(m.Groups[1].Value);
Tikz_Node EndNode = tpi.parent.GetNodeByName(m.Groups[2].Value);
if (StartNode != null && EndNode != null)
{
//and determine the position in between both nodes
Point start, end;
if (StartNode.GetAbsPos()
double x = (StartNode.GetAbsPos().X + EndNode.GetAbsPos().X) / 2;
double y = (StartNode.GetAbsPos().Y + EndNode.GetAbsPos().Y) / 2;
//draw an arrow at this pos.
//(new Point(x, y));
//and when clicked, jump to AvalonEdit at position tpi.StartPosition
}
} */
}
}
IEnumerable <OverlayShapeVM> CreateOverlayShapesFromItem(TikzParseItem tpi)
{
var ret = new List <OverlayShapeVM>();
if (tpi is Tikz_Scope)
{
OverlayScope os = new OverlayScope();
//os.pol = this;
os.tikzitem = tpi as Tikz_Scope;
// add child shapes
os.children.AddRange((tpi as TikzContainerParseItem).Children.SelectMany(child => CreateOverlayShapesFromItem(child)));
//foreach (TikzParseItem t in (tpi as TikzContainerParseItem).Children)
// DrawObject(t, os.children);
// don't draw scopes with no drawable children
// (we don't know where to render them)
if (os.children.Count > 0)
{
ret.Add(os);
os.AdjustPosition(TikzToScreen);
}
}
else if (tpi is TikzContainerParseItem)
{
ret.AddRange((tpi as TikzContainerParseItem).Children.SelectMany(child => CreateOverlayShapesFromItem(child)));
}
else if (tpi is Tikz_XYItem)
{
if ((tpi as Tikz_XYItem).HasEditableCoordinate())
{
OverlayNode el;
if (tpi.parent is Tikz_Controls)
{
el = new OverlayControlPoint(); // control points for Bezier curves
}
else
{
el = new OverlayNode();
}
//el.pol = this;
el.tikzitem = tpi as Tikz_XYItem;
el.AdjustPosition(TikzToScreen);
// add tooltip
if (ParseTree != null)
{
Tikz_Node nref = TikzParseTreeHelper.GetReferenceableNode(tpi as Tikz_XYItem, ParseTree.GetTikzPicture());
if (nref != null && !String.IsNullOrWhiteSpace(nref.name))
{
el.ToolTip = nref.name;
}
}
////canvas1.Children.Add(el);
ret.Add(el);
//bbg.Add(new Rect(Canvas.GetLeft(el), Canvas.GetTop(el), el.Width, el.Height));
}
}
else if (tpi is Tikz_Path)
{
}
return(ret);
}
OverlayNodeView NewNodeView(OverlayNode on)
{
OverlayNodeView v = new OverlayNodeView(on);
canvas1.Children.Add(v);
return v;
}
public override void OnLeftMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
if (!(item is OverlayNode))
{
curSel = null;
return;
}
OverlayNode n = item as OverlayNode;
// make sure a referenceable item is selected... otherwise we cannot add an edge
if (!IsReferenceable(item))
{
GlobalUI.UI.AddStatusLine(this, "Only items that are referenceable (=can be given names) can be connected with the edge tool.");
return;
}
if (curSel == null)
{
curSel = n;
return;
}
// make sure both nodes involved are nodes
/* if (!(curSel.tikzitem is Tikz_Node) || !(n.tikzitem is Tikz_Node))
* {
* String which = ""; String verb = "is";
* if (!(curSel.tikzitem is Tikz_Node) && !(n.tikzitem is Tikz_Node))
* { which = "Both"; verb = "are"; }
* else if (!(curSel.tikzitem is Tikz_Node))
* which = "The first";
* else if (!(n.tikzitem is Tikz_Node))
* which = "The second";
* MainWindow.AddStatusLine(which + " of the selected coordinates " + verb + " not a node (i.e. not defined with \\node but rather with \\draw or \\path)", true);
* curSel = null;
* return; // hack
* } */
//the return from above must not interfere with BeginModify()
overlay.BeginUpdate();
// add an edge curSel to n
//bool lcreated;
//if (EnsureCurAddToExists(out lcreated))
//always create new \draw command. otherwise it can happen that the \draw-command
//is above the \node-definition which causes an error while compiling the latex code.
if (AddNewCurAddTo())
{
// make sure both nodes involved have names
Parser.Tikz_Node t1 = MakeReferenceableNode(curSel.tikzitem),
t2 = MakeReferenceableNode(n.tikzitem);
Parser.Tikz_Coord tc1 = new Parser.Tikz_Coord();
tc1.type = Parser.Tikz_CoordType.Named;
Parser.Tikz_Coord tc2 = new Parser.Tikz_Coord();
tc2.type = Parser.Tikz_CoordType.Named;
curAddTo.AddChild(new Parser.Tikz_Something(" "));
curAddTo.AddChild(tc1);
if (t1 == t2)
{
curAddTo.AddChild(new Parser.Tikz_Something(" edge[loop, looseness=20] "));
}
else
{
curAddTo.AddChild(new Parser.Tikz_Something(" edge "));
}
curAddTo.AddChild(tc2);
//tpict.AddChild(tp);
// make sure both nodes have names
/* Tikz_Picture tpict = overlay.ParseTree.GetTikzPicture();
* if (t1.name == "")
* {
* t1.SetName(tpict.GetUniqueName());
* t1.UpdateText();
* }
* if (t2.name == "")
* {
* t2.SetName(tpict.GetUniqueName());
* t2.UpdateText();
* }
*/
tc1.nameref = t1.name;
tc2.nameref = t2.name;
//tc1.UpdateText();
curAddTo.UpdateText();
//tpict.UpdateText();
// txtCode_TextChanged
//RedrawObjects();
//if (OnModified != null)
// OnModified.Invoke();
//edge was drawn. release currently selected node.
curSel = null;
//will neither want to path tool to start from this last select nodes.
curAddTo = null;
}
//forgetting to call EndModify causes weird "No undo group should be open at this point"-message.
overlay.EndUpdate();
}
public override void OnDeactivate()
{
base.OnDeactivate();
curSel = null;
}
