- TLM editor DeleteConenction API

Author: alash325

OMEdit/OMEditGUI/Editors/TLMEditor.cpp

@@ -109,6 +109,20 @@ QDomElement TLMEditor::getSubModelsElement()
   return QDomElement();
 }
 
+/*!
+ * \brief TLMEditor::getConnectionsElement
+ * Returns the Connections element tag.
+ * \return
+ */
+QDomElement TLMEditor::getConnectionsElement()
+{
+  QDomNodeList connections = mXmlDocument.elementsByTagName("Connections");
+  if (connections.size() > 0) {
+    return connections.at(0).toElement();
+  }
+  return QDomElement();
+}
+
 /*!
  * \brief TLMEditor::getSubModels
  * Returns the list of SubModel tags.
@@ -269,6 +283,32 @@ bool TLMEditor::deleteSubModel(QString name)
   return false;
 }
 
+/*!
+ * \brief TLMEditor::deleteConnection
+ * Delets a connection.
+ * \param name
+ * \return
+ */
+bool TLMEditor::deleteConnection(QString startSubModelName, QString endSubModelName)
+{
+  QDomNodeList connectionList = mXmlDocument.elementsByTagName("Connection");
+  for (int i = 0 ; i < connectionList.size() ; i++) {
+    QDomElement connection = connectionList.at(i).toElement();
+    QString startName = StringHandler::getSubStringBeforeDots(connection.attribute("From"));
+    QString endName = StringHandler::getSubStringBeforeDots(connection.attribute("To"));
+    if (startName.compare(startSubModelName) == 0 && endName.compare(endSubModelName) == 0 ) {
+      QDomElement connections = getConnectionsElement();
+      if (!connections.isNull()) {
+        connections.removeChild(connection);
+        mpPlainTextEdit->setPlainText(mXmlDocument.toString());
+        return true;
+      }
+      break;
+    }
+  }
+  return false;
+}
+
 //! @class TLMHighlighter
 //! @brief A syntax highlighter for TLMEditor.
 

OMEdit/OMEditGUI/Editors/TLMEditor.h

@@ -51,13 +51,15 @@ class TLMEditor : public BaseEditor
   void setPlainText(const QString &text);
   QDomElement getSubModelsElement();
   QDomNodeList getSubModels();
+  QDomElement getConnectionsElement();
   QDomNodeList getConnections();
   bool addSubModel(QString name, QString exactStep, QString modelFile, QString startCommand, QString visible, QString origin, QString extent,
                    QString rotation);
   void createAnnotationElement(QDomElement subModel, QString visible, QString origin, QString extent, QString rotation);
   void updateSubModelPlacementAnnotation(QString name, QString visible, QString origin, QString extent, QString rotation);
   void addInterfacesData(QDomElement interfaces);
   bool deleteSubModel(QString name);
+  bool deleteConnection(QString startComponentName, QString endComponentName );
 private:
   bool mForceSetPlainText;
   bool mTextChanged;

OMEdit/OMEditGUI/Modeling/ModelWidgetContainer.cpp

@@ -696,39 +696,10 @@ void GraphicsView::createConnection(QString startComponentName, QString endCompo
 void GraphicsView::deleteConnection(QString startComponentName, QString endComponentName)
 {
   MainWindow *pMainWindow = mpModelWidget->getModelWidgetContainer()->getMainWindow();
-
   if(mpModelWidget->getLibraryTreeNode()->getLibraryType()== LibraryTreeNode::TLM)
   {
-    QDomDocument doc;
-    doc.setContent(pMainWindow->getModelWidgetContainer()->getCurrentModelWidget()->getEditor()->getPlainTextEdit()->toPlainText());
-    // Get the "Root" element
-    QDomElement docElem = doc.documentElement();
-    // remove the connection annotations from TLM editor
-    QDomElement connections = docElem.firstChildElement();
-    // remove the connection  from TLM editor
-    while (!connections.isNull())
-    {
-      if(connections.tagName() == "Connections")
-      {
-        QDomElement connection = connections.firstChildElement();
-        while (!connection.isNull()&& connection.tagName() == "Connection" )
-        {
-          QString startName = StringHandler::getSubStringBeforeDots(connection.attribute("From"));
-          QString endName = StringHandler::getSubStringBeforeDots(connection.attribute("To"));
-          if(startName == startComponentName && endName == endComponentName)
-          {
-            connections.removeChild(connection);
-            break;
-          }
-          connection = connection.nextSiblingElement();
-        }
-        break;
-      }
-      connections = connections.nextSiblingElement();
-    }
-
-    QString metaModelText = doc.toString();
-    pMainWindow->getModelWidgetContainer()->getCurrentModelWidget()->getEditor()->getPlainTextEdit()->setPlainText(metaModelText);
+    TLMEditor *pTLMEditor = dynamic_cast<TLMEditor*>(mpModelWidget->getEditor());
+    pTLMEditor->deleteConnection(startComponentName, endComponentName);
   }
   else
     pMainWindow->getOMCProxy()->deleteConnection(startComponentName, endComponentName, mpModelWidget->getLibraryTreeNode()->getNameStructure());