+ fixes #0001380: Allow to set user-defined names for constraints

src/Mod/Sketcher/App/ConstraintPy.xml

@@ -18,16 +18,21 @@
     </Documentation>
     <Attribute Name="First" ReadOnly="false">
       <Documentation>
-        <UserDocu>First geometry index the Constraint referse to</UserDocu>
+        <UserDocu>First geometry index the Constraint refers to</UserDocu>
       </Documentation>
       <Parameter Name="First" Type="Int"/>
     </Attribute>
     <Attribute Name="Second" ReadOnly="false">
       <Documentation>
-        <UserDocu>Second geometry index the Constraint referse to</UserDocu>
+        <UserDocu>Second geometry index the Constraint refers to</UserDocu>
       </Documentation>
       <Parameter Name="Second" Type="Int"/>
     </Attribute>
-
+    <Attribute Name="Name" ReadOnly="false">
+      <Documentation>
+        <UserDocu>Name of the constraint</UserDocu>
+      </Documentation>
+      <Parameter Name="Name" Type="String"/>
+    </Attribute>
   </PythonExport>
 </GenerateModel>

src/Mod/Sketcher/App/ConstraintPyImp.cpp

@@ -361,6 +361,16 @@ void  ConstraintPy::setSecond(Py::Int arg)
     this->getConstraintPtr()->Second = arg;
 }
 
+Py::String ConstraintPy::getName(void) const
+{
+    return Py::String(this->getConstraintPtr()->Name);
+}
+
+void  ConstraintPy::setName(Py::String arg)
+{
+    this->getConstraintPtr()->Name = arg;
+}
+
 PyObject *ConstraintPy::getCustomAttributes(const char* /*attr*/) const
 {
     return 0;

src/Mod/Sketcher/App/PropertyConstraintList.cpp

@@ -75,6 +75,18 @@ int PropertyConstraintList::getSize(void) const
     return static_cast<int>(_lValueList.size());
 }
 
+void PropertyConstraintList::set1Value(const int idx, const Constraint* lValue)
+{
+    if (lValue) {
+        aboutToSetValue();
+        Constraint* oldVal = _lValueList[idx];
+        Constraint* newVal = lValue->clone();
+        _lValueList[idx] = newVal;
+        delete oldVal;
+        hasSetValue();
+    }
+}
+
 void PropertyConstraintList::setValue(const Constraint* lValue)
 {
     if (lValue) {

src/Mod/Sketcher/App/PropertyConstraintList.h

@@ -63,6 +63,7 @@ public:
 
     /** Sets the property
      */
+    void set1Value(const int idx, const Constraint*);
     void setValue(const Constraint*);
     void setValues(const std::vector<Constraint*>&);
 

src/Mod/Sketcher/App/SketchObjectPy.xml

@@ -48,6 +48,11 @@
         <UserDocu>delete a constraint from the sketch</UserDocu>
       </Documentation>
     </Methode>
+    <Methode Name="renameConstraint">
+      <Documentation>
+        <UserDocu>Rename a constraint of the sketch</UserDocu>
+      </Documentation>
+    </Methode>
     <Methode Name="addExternal">
       <Documentation>
         <UserDocu>add a link to an external geometry to use it in a constraint</UserDocu>

src/Mod/Sketcher/App/SketchObjectPyImp.cpp

@@ -147,6 +147,28 @@ PyObject* SketchObjectPy::delConstraint(PyObject *args)
     Py_Return;
 }
 
+PyObject* SketchObjectPy::renameConstraint(PyObject *args)
+{
+    int Index;
+    char* Name;
+    if (!PyArg_ParseTuple(args, "is", &Index, &Name))
+        return 0;
+
+    if (this->getSketchObjectPtr()->Constraints.getSize() <= Index) {
+        std::stringstream str;
+        str << "Not able to rename a constraint with the given index: " << Index;
+        PyErr_SetString(PyExc_IndexError, str.str().c_str());
+        return 0;
+    }
+
+    Constraint* copy = this->getSketchObjectPtr()->Constraints[Index]->clone();
+    copy->Name = Name;
+    this->getSketchObjectPtr()->Constraints.set1Value(Index, copy);
+    delete copy;
+
+    Py_Return;
+}
+
 PyObject* SketchObjectPy::addExternal(PyObject *args)
 {
     char *ObjectName;

src/Mod/Sketcher/Gui/TaskSketcherConstrains.cpp

@@ -73,7 +73,7 @@ TaskSketcherConstrains::TaskSketcherConstrains(ViewProviderSketch *sketchView)
     ui = new Ui_TaskSketcherConstrains();
     ui->setupUi(proxy);
     ui->listWidgetConstraints->setSelectionMode(QAbstractItemView::ExtendedSelection);
-    //ui->listWidgetConstraints->setEditTriggers(QListWidget::EditKeyPressed);
+    ui->listWidgetConstraints->setEditTriggers(QListWidget::EditKeyPressed);
     //QMetaObject::connectSlotsByName(this);
 
     // connecting the needed signals
@@ -89,10 +89,6 @@ TaskSketcherConstrains::TaskSketcherConstrains(ViewProviderSketch *sketchView)
         ui->listWidgetConstraints, SIGNAL(itemActivated(QListWidgetItem *)),
         this                     , SLOT  (on_listWidgetConstraints_itemActivated(QListWidgetItem *))
        );
-    QObject::connect(
-        ui->listWidgetConstraints, SIGNAL(itemDoubleClicked(QListWidgetItem *)),
-        this                     , SLOT  (on_listWidgetConstraints_itemActivated(QListWidgetItem *))
-       );
     QObject::connect(
         ui->listWidgetConstraints, SIGNAL(itemChanged(QListWidgetItem *)),
         this                     , SLOT  (on_listWidgetConstraints_itemChanged(QListWidgetItem *))