Fix for the issue #2753 : error when dump/load script

[modules/shaper.git] / src / ModuleBase / ModuleBase_ITreeNode.h

diff --git a/src/ModuleBase/ModuleBase_ITreeNode.h b/src/ModuleBase/ModuleBase_ITreeNode.h
index 4ae92e32f798e290785a80a39055f913deaa3102..33b8d8a6450dcf922a08a571b33d391971a36f77 100644 (file)
--- a/src/ModuleBase/ModuleBase_ITreeNode.h
+++ b/src/ModuleBase/ModuleBase_ITreeNode.h
@@ -40,6 +40,13 @@ typedef QList<ModuleBase_ITreeNode*> QTreeNodesList;
 class ModuleBase_ITreeNode
 {
 public:
+  enum VisibilityState {
+    NoneState,
+    Visible,
+    SemiVisible,
+    Hidden
+  };
+
   /// Default constructor
   ModuleBase_ITreeNode(ModuleBase_ITreeNode* theParent = 0) : myParent(theParent) {}
 
@@ -51,7 +58,9 @@ public:
   virtual QVariant data(int theColumn, int theRole) const { return QVariant(); }
 
   /// Returns properties flag of the item
-  virtual Qt::ItemFlags flags(int theColumn) const { return Qt::ItemIsSelectable | Qt::ItemIsEnabled; }
+  virtual Qt::ItemFlags flags(int theColumn) const {
+    return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
+  }
 
   /// Returns parent node of the current node
   ModuleBase_ITreeNode* parent() const { return myParent; }
@@ -114,7 +123,9 @@ public:
   /// Process creation of objects.
   /// \param theObjects a list of created objects
   /// \return a list of nodes which corresponds to the created objects
-  virtual QTreeNodesList objectCreated(const QObjectPtrList& theObjects) { return QTreeNodesList(); }
+  virtual QTreeNodesList objectCreated(const QObjectPtrList& theObjects) {
+    return QTreeNodesList();
+  }
 
   /// Process deletion of objects.
   /// \param theDoc a document where objects were deleted
@@ -152,6 +163,9 @@ public:
     return 0;
   }
 
+  /// Returns visibilitystate of the node in viewer 3d
+  virtual VisibilityState visibilityState() const { return NoneState; }
+
 protected:
 
   /// deletes all children nodes (called in destructor.)
@@ -163,6 +177,40 @@ protected:
     }
   }
 
+  void sortChildren() {
+    if (myChildren.size() > 1) {
+      int i = 0;
+      ModuleBase_ITreeNode* aNode = 0;
+      ObjectPtr aObject;
+      int aIdx;
+      int aCount = 0;
+      int aSize = myChildren.size();
+      int aMaxCount = aSize * aSize;
+      int aShift = 0;
+      while (i < aSize) {
+        aCount++;
+        // To avoid unlimited cycling
+        if (aCount > aMaxCount)
+          break;
+
+        aNode = myChildren.at(i);
+        aObject = aNode->object();
+        if (aObject.get()) {
+          aIdx = aObject->document()->index(aObject, true) + aShift;
+          if (aIdx != i) {
+            myChildren.removeAll(aNode);
+            myChildren.insert(aIdx, aNode);
+            i = 0;
+            continue;
+          }
+        }
+        else
+          aShift++;
+        i++;
+      }
+    }
+  }
+
   ModuleBase_ITreeNode* myParent; //!< Parent of the node
   QTreeNodesList myChildren; //!< Children of the node
 };