From b3f3f03cc30af348d2a19187d16b89cac5d16a7c Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <kroluku@gmail.com>
Date: Tue, 29 Nov 2016 14:58:00 +0200
Subject: [PATCH] Added custom increment and decrement methods for tool
 VToolPiecePath.

--HG--
branch : feature
---
 .../tools/nodeDetails/vtoolpiecepath.cpp      | 69 +++++++++++++++++++
 .../vtools/tools/nodeDetails/vtoolpiecepath.h |  6 ++
 2 files changed, 75 insertions(+)

diff --git a/src/libs/vtools/tools/nodeDetails/vtoolpiecepath.cpp b/src/libs/vtools/tools/nodeDetails/vtoolpiecepath.cpp
index d4c54609a..48c804129 100644
--- a/src/libs/vtools/tools/nodeDetails/vtoolpiecepath.cpp
+++ b/src/libs/vtools/tools/nodeDetails/vtoolpiecepath.cpp
@@ -98,6 +98,55 @@ QString VToolPiecePath::getTagName() const
     return VAbstractPattern::TagPath;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolPiecePath::incrementReferens()
+{
+    ++_referens;
+    if (_referens == 1)
+    {
+        if (idTool != NULL_ID)
+        {
+            doc->IncrementReferens(idTool);
+        }
+        else
+        {
+            IncrementNodes(VAbstractTool::data.GetPiecePath(id));
+        }
+        ShowNode();
+        QDomElement domElement = doc->elementById(id);
+        if (domElement.isElement())
+        {
+            doc->SetParametrUsage(domElement, AttrInUse, NodeUsage::InUse);
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolPiecePath::decrementReferens()
+{
+    if (_referens > 0)
+    {
+        --_referens;
+    }
+    if (_referens == 0)
+    {
+        if (idTool != NULL_ID)
+        {
+            doc->DecrementReferens(idTool);
+        }
+        else
+        {
+            DecrementNodes(VAbstractTool::data.GetPiecePath(id));
+        }
+        HideNode();
+        QDomElement domElement = doc->elementById(id);
+        if (domElement.isElement())
+        {
+            doc->SetParametrUsage(domElement, AttrInUse, NodeUsage::NotInUse);
+        }
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VToolPiecePath::AddNode(VAbstractPattern *doc, QDomElement &domElement, const VPieceNode &node)
 {
@@ -241,3 +290,23 @@ void VToolPiecePath::RefreshGeometry()
         this->setPath(p);
     }
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolPiecePath::IncrementNodes(const VPiecePath &path) const
+{
+    for (int i = 0; i < path.CountNodes(); ++i)
+    {
+        const QSharedPointer<VGObject> node = VAbstractTool::data.GetGObject(path.at(i).GetId());
+        doc->IncrementReferens(node->getIdTool());
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolPiecePath::DecrementNodes(const VPiecePath &path) const
+{
+    for (int i = 0; i < path.CountNodes(); ++i)
+    {
+        const QSharedPointer<VGObject> node = VAbstractTool::data.GetGObject(path.at(i).GetId());
+        doc->DecrementReferens(node->getIdTool());
+    }
+}
diff --git a/src/libs/vtools/tools/nodeDetails/vtoolpiecepath.h b/src/libs/vtools/tools/nodeDetails/vtoolpiecepath.h
index 18f4e236d..edc8e2273 100644
--- a/src/libs/vtools/tools/nodeDetails/vtoolpiecepath.h
+++ b/src/libs/vtools/tools/nodeDetails/vtoolpiecepath.h
@@ -50,6 +50,9 @@ public:
     enum { Type = UserType + static_cast<int>(Tool::PiecePath)};
     virtual QString getTagName() const Q_DECL_OVERRIDE;
 
+    virtual void incrementReferens() Q_DECL_OVERRIDE;
+    virtual void decrementReferens() Q_DECL_OVERRIDE;
+
     static void AddNode(VAbstractPattern *doc, QDomElement &domElement, const VPieceNode &node);
     static void AddNodes(VAbstractPattern *doc, QDomElement &domElement, const VPiecePath &path);
     static void AddAttributes(VAbstractPattern *doc, QDomElement &domElement, quint32 id, const VPiecePath &path);
@@ -72,6 +75,9 @@ private:
                    QGraphicsItem * parent = nullptr );
 
     void RefreshGeometry();
+
+    void IncrementNodes(const VPiecePath &path) const;
+    void DecrementNodes(const VPiecePath &path) const;
 };
 
 #endif // VTOOLPIECEPATH_H