Show seam line feature.

src/app/puzzle/scene/vpgraphicspiece.cpp

@@ -368,6 +368,8 @@ void VPGraphicsPiece::PaintPiece(QPainter *painter)
     }
 
     // initialises the seam line
+    if (not piece->IsHideMainPath() || not piece->IsSeamAllowance())
+    {
         QVector<QPointF> seamLinePoints = piece->GetMappedContourPoints();
         if(!seamLinePoints.isEmpty())
         {
@@ -385,8 +387,11 @@ void VPGraphicsPiece::PaintPiece(QPainter *painter)
                 painter->restore();
             }
         }
+    }
 
     // initiliases the cutting line
+    if (piece->IsSeamAllowance() && not piece->IsSeamAllowanceBuiltIn())
+    {
         QVector<QPointF> cuttingLinepoints = piece->GetMappedSeamAllowancePoints();
         if(!cuttingLinepoints.isEmpty())
         {
@@ -404,6 +409,7 @@ void VPGraphicsPiece::PaintPiece(QPainter *painter)
                 painter->restore();
             }
         }
+    }
 
     // initialises the grainline
     if(piece->IsGrainlineEnabled())

src/app/puzzle/scene/vpmaingraphicsview.cpp

@@ -756,5 +756,7 @@ void VPMainGraphicsView::on_PieceSheetChanged(const VPPiecePtr &piece)
         scene()->addItem(graphicsPiece);
     }
 
+    m_rotationControls->on_UpdateControls();
+
     VMainGraphicsView::NewSceneRect(scene(), this);
 }

src/app/puzzle/undocommands/vpundomovepieceonsheet.cpp

@@ -111,6 +111,11 @@ void VPUndoMovePieceOnSheet::redo()
     {
         piece->SetSheet(sourceSheet);
 
+        if (sourceSheet.isNull())
+        {
+            piece->SetSelected(false);
+        }
+
         if (m_followGrainline)
         {
             VPTransformationOrigon origin;

src/app/puzzle/vpmainwindow.cpp

@@ -515,8 +515,10 @@ void VPMainWindow::InitPropertyTabCurrentPiece()
             VPPiecePtr selectedPiece = selectedPieces.first();
             if (not selectedPiece.isNull())
             {
-//                selectedPiece->SetShowSeamline(checked);
+                selectedPiece->SetHideMainPath(not checked);
-//                LayoutWasSaved(false);
+                LayoutWasSaved(false);
+                // nothing changed, but will force redraw
+                emit m_layout->PieceTransformationChanged(selectedPiece);
             }
         }
     });
@@ -929,7 +931,7 @@ void VPMainWindow::SetPropertyTabCurrentPieceData()
         SetPlainTextEditValue(ui->plainTextEditCurrentPieceUUID, selectedPiece->GetUUID().toString());
         SetLineEditValue(ui->lineEditCurrentPieceGradationId, selectedPiece->GetGradationId());
 
-//        SetCheckBoxValue(ui->checkBoxCurrentPieceShowSeamline, selectedPiece->GetShowSeamLine());
+        SetCheckBoxValue(ui->checkBoxCurrentPieceShowSeamline, not selectedPiece->IsHideMainPath());
         SetCheckBoxValue(ui->checkBoxCurrentPieceMirrorPiece, selectedPiece->IsMirror());
 
         if (not ui->checkBoxRelativeTranslation->isChecked())

src/app/puzzle/xml/vplayoutfilereader.cpp

@@ -440,9 +440,7 @@ void VPLayoutFileReader::ReadPiece(const VPPiecePtr &piece)
 
     piece->SetName(ReadAttributeEmptyString(attribs, ML::AttrGradationLabel));
     piece->SetCopyNumber(static_cast<quint16>(ReadAttributeUInt(attribs, ML::AttrCopyNumber, QChar('1'))));
-
+    piece->SetHideMainPath(not ReadAttributeBool(attribs, ML::AttrShowSeamline, trueStr));
-//    bool showSeamline = ReadAttributeBool(attribs, ML::AttrShowSeamline, trueStr);
-//    piece->SetShowSeamLine(showSeamline);
 
     bool pieceMirrored = ReadAttributeBool(attribs, ML::AttrMirrored, falseStr);
     piece->SetMirror(pieceMirrored);

src/app/puzzle/xml/vplayoutfilewriter.cpp

@@ -251,6 +251,7 @@ void VPLayoutFileWriter::WritePiece(const VPPiecePtr &piece)
     SetAttributeOrRemoveIf<QString>(ML::AttrGradationLabel, piece->GetGradationId(),
                                     [](const QString &label){return label.isEmpty();});
     SetAttribute(ML::AttrCopyNumber, piece->CopyNumber());
+    SetAttributeOrRemoveIf<bool>(ML::AttrShowSeamline, not piece->IsHideMainPath(), [](bool show){return show;});
 
     writeStartElement(ML::TagSeamLine);
     writeCharacters(PathToString(piece->GetContourPoints()));

src/libs/ifc/schema/layout/v0.1.0.xsd

@@ -186,6 +186,7 @@
                   <xs:attribute type="Transformation" name="transform"/>
                   <xs:attribute type="xs:string" name="gradationLabel"/>
                   <xs:attribute type="xs:unsignedInt" name="copyNumber"/>
+                  <xs:attribute type="xs:boolean" name="showSeamline"/>  
                 </xs:complexType>
               </xs:element>
             </xs:sequence>
@@ -326,6 +327,9 @@
                               <xs:attribute type="xs:string" name="name"/>
                               <xs:attribute type="xs:boolean" name="mirrored"/>
                               <xs:attribute type="Transformation" name="transform"/>
+                              <xs:attribute type="xs:string" name="gradationLabel"/>
+                              <xs:attribute type="xs:unsignedInt" name="copyNumber"/>
+                              <xs:attribute type="xs:boolean" name="showSeamline"/>   
                             </xs:complexType>
                           </xs:element>
                         </xs:sequence>