From 9c63c4f794416a249ea0136ae8bf247a59565944 Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <kroluku@gmail.com>
Date: Wed, 6 Apr 2016 12:36:33 +0300
Subject: [PATCH] The method SetGroupName.

--HG--
branch : feature
---
 src/libs/ifc/xml/vabstractpattern.cpp     | 32 +++++++++++++++++++++++
 src/libs/ifc/xml/vabstractpattern.h       |  1 +
 src/libs/vtools/undocommands/addgroup.cpp |  6 +++++
 3 files changed, 39 insertions(+)

diff --git a/src/libs/ifc/xml/vabstractpattern.cpp b/src/libs/ifc/xml/vabstractpattern.cpp
index c532ce063..d723c0365 100644
--- a/src/libs/ifc/xml/vabstractpattern.cpp
+++ b/src/libs/ifc/xml/vabstractpattern.cpp
@@ -1494,3 +1494,35 @@ QDomElement VAbstractPattern::CreateGroup(quint32 id, const QString &name, const
 
     return group;
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractPattern::SetGroupName(quint32 id, const QString &name)
+{
+    QDomElement groups = CreateGroups();
+    if (not groups.isNull())
+    {
+        QDomElement group = elementById(id);
+        if (group.isElement())
+        {
+            group.setAttribute(AttrName, name);
+            modified = true;
+            emit patternChanged(false);
+        }
+        else
+        {
+            if (groups.childNodes().isEmpty())
+            {
+                QDomNode parent = groups.parentNode();
+                parent.removeChild(groups);
+            }
+
+            qDebug("Can't get group by id = %u.", id);
+            return;
+        }
+    }
+    else
+    {
+        qDebug("Can't get tag Groups.");
+        return;
+    }
+}
diff --git a/src/libs/ifc/xml/vabstractpattern.h b/src/libs/ifc/xml/vabstractpattern.h
index 77ada5d8a..90e8c1b3c 100644
--- a/src/libs/ifc/xml/vabstractpattern.h
+++ b/src/libs/ifc/xml/vabstractpattern.h
@@ -118,6 +118,7 @@ public:
 
     QDomElement    CreateGroups();
     QDomElement    CreateGroup(quint32 id, const QString &name, const QMap<quint32, quint32> &groupData);
+    void           SetGroupName(quint32 id, const QString &name);
 
     static const QString TagPattern;
     static const QString TagCalculation;
diff --git a/src/libs/vtools/undocommands/addgroup.cpp b/src/libs/vtools/undocommands/addgroup.cpp
index b4b86ef90..2a5bdf65b 100644
--- a/src/libs/vtools/undocommands/addgroup.cpp
+++ b/src/libs/vtools/undocommands/addgroup.cpp
@@ -67,6 +67,12 @@ void AddGroup::undo()
         }
         else
         {
+            if (groups.childNodes().isEmpty())
+            {
+                QDomNode parent = groups.parentNode();
+                parent.removeChild(groups);
+            }
+
             qCDebug(vUndo, "Can't get group by id = %u.", nodeId);
             return;
         }