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[blast.git] / Parameters.cpp
index 848ef7fd09e16e28e9a2483c9c0a4208a18f847c..60d7971c07e228dc849b2f7875f652b77a0dc696 100644 (file)
@@ -9,6 +9,7 @@
 #include "GroupScene.h"\r
 #include "GroupItem.h"\r
 #include "BoxItem.h"\r
+#include "SourceItem.h"\r
 #include "InterfaceItem.h"\r
 #include "ConnectionItem.h"\r
 \r
 #include "Exception.h"\r
 #include "BlocksToConfigureWidget.h"\r
 \r
+#include "BlockParameterGeneric.h"\r
+\r
+#include "DelayInputModifier.h"\r
+\r
 Parameters::Parameters() {\r
   categoryTree = NULL;\r
   arrowWidth = 5;\r
@@ -41,10 +46,12 @@ Parameters::Parameters() {
 \r
   unsaveModif = false;\r
   isRstClkShown = false;\r
-\r
-  projectPath = QDir::currentPath();\r
   \r
   validityExtension = "_enb";\r
+\r
+  projectPath = "";\r
+  projectName = "";\r
+  projectFile = "";\r
 }\r
 \r
 Parameters::~Parameters() {\r
@@ -62,8 +69,8 @@ void Parameters::clear() {
   refPathes.clear();\r
 }\r
 \r
-Graph* Parameters::createGraph() {\r
-  graph = new Graph();\r
+Graph* Parameters::createGraph(bool createTopGroupIfaces) {\r
+  graph = new Graph(createTopGroupIfaces);\r
   return graph;\r
 }\r
 \r
@@ -76,10 +83,60 @@ ReferenceBlock* Parameters::getReferenceBlock(int idCategory, int idBlock) {
   BlockCategory* blockCat = categoryTree->searchCategory(idCategory);\r
 \r
   if (blockCat == NULL) return NULL;\r
-  ReferenceBlock* ref = blockCat->getBlock(idBlock);\r
+  ReferenceBlock* ref = blockCat->getBlockById(idBlock);\r
   return ref;\r
 }\r
 \r
+ReferenceBlock* Parameters::getHiddenReferenceBlock(QString blockName) {\r
+\r
+  BlockCategory* blockCat = categoryTree->searchCategory(100);\r
+  if (blockCat == NULL) return NULL;\r
+  ReferenceBlock* ref = blockCat->getBlockByName(blockName);\r
+  return ref;\r
+}\r
+\r
+void Parameters::createDelayBlock() {\r
+  delayRef = new ReferenceBlock("no.xml");\r
+  delayRef->addCategory(100);\r
+  delayRef->setName("delay");\r
+\r
+  BlockCategory* cat = categoryTree->searchCategory(100);\r
+  cat->blocks.append(delayRef);\r
+\r
+  AbstractInterface* interIn = new ReferenceInterface(delayRef,"data_in",AbstractInterface::Input, AbstractInterface::Data, "expression","$in_width");\r
+  delayRef->addInterface(interIn);\r
+  AbstractInterface* interInCtl = new ReferenceInterface(delayRef,"data_in_enb",AbstractInterface::Input, AbstractInterface::Control, "boolean","1");\r
+  delayRef->addInterface(interInCtl);\r
+  interInCtl->setAssociatedIface(interIn);\r
+  AbstractInterface* interOut = new ReferenceInterface(delayRef,"data_out",AbstractInterface::Output, AbstractInterface::Data, "expression","$in_width");\r
+  delayRef->addInterface(interOut);\r
+  AbstractInterface* interOutCtl = new ReferenceInterface(delayRef,"data_out_enb",AbstractInterface::Output, AbstractInterface::Control, "boolean","1");\r
+  delayRef->addInterface(interOutCtl);\r
+  interOutCtl->setAssociatedIface(interOut);\r
+  BlockParameter* param1 = new BlockParameterGeneric(delayRef,"in_width","natural","8");\r
+  BlockParameter* param2 = new BlockParameterGeneric(delayRef,"dly_length","natural","1");\r
+  delayRef->addParameter(param1);\r
+  delayRef->addParameter(param2);\r
+  delayImpl = new BlockImplementation("no.xml");\r
+  delayImpl->setDelta("1");\r
+  QHash<QString,QString> consPattern;\r
+  consPattern.insert("data_in_enb","1");\r
+  delayImpl->setConsumptionPattern(consPattern);\r
+  QHash<QString,QString> prodPattern;\r
+  prodPattern.insert("data_out_enb","O{$dly_length}1");\r
+  delayImpl->setProductionPattern(prodPattern);\r
+  delayImpl->setProductionCounter("1");\r
+  delayRef->addImplementation(delayImpl);\r
+  delayImpl->setReference(delayRef);\r
+  if (! delayImpl->checkPatterns()) {\r
+    cout << "Delay block creation: failure" << endl;\r
+  }\r
+  else {\r
+    cout << "Delay block creation: success" << endl;\r
+  }\r
+\r
+}\r
+\r
 \r
 \r
 void Parameters::validateXmlFile(const QString& xmlFileName, const QString& xsdFileName, XmlFileType fileType) throw(Exception) {\r
@@ -190,6 +247,16 @@ GroupWidget *Parameters::loadProject(QDomElement root) throw(Exception) {
   GroupBlock *groupBlock = NULL;\r
 \r
   GroupWidget* topGroup = NULL;\r
+\r
+  QString path = root.attribute("project_path","none");\r
+  if (path != "none") {\r
+    QDir dir(path);\r
+    if (dir.exists()) {\r
+      projectPath = path;\r
+\r
+    }\r
+    cout << "project path set to " << qPrintable(projectPath) << endl;\r
+  }\r
   /**********************************************************\r
    1 : getting scene and creating associated group widgets\r
   ***********************************************************/\r
@@ -205,7 +272,7 @@ GroupWidget *Parameters::loadProject(QDomElement root) throw(Exception) {
     if(!ok) throw(Exception(PROJECTFILE_CORRUPTED));\r
 \r
     if (idUpperScene == -1) {\r
-      topGroup = dispatcher->createTopScene();\r
+      topGroup = dispatcher->createTopScene(Dispatcher::Load);\r
       topScene->setId(idScene);\r
       groupItem = topScene->getGroupItem();      \r
       cout << "top group added to scene n°" << idScene << endl;\r
@@ -213,7 +280,7 @@ GroupWidget *Parameters::loadProject(QDomElement root) throw(Exception) {
     else {\r
       cout << "trying to create scene n°" << idScene << " with upper scene n°" <<idUpperScene << endl;\r
       GroupScene* upperScene = searchSceneById(idUpperScene, topScene);\r
-      groupWidget = dispatcher->addNewEmptyGroup(upperScene,false);\r
+      groupWidget = dispatcher->addNewEmptyGroup(Dispatcher::Load, upperScene,false);\r
       groupWidget->getScene()->setId(idScene);\r
       groupItem = groupWidget->getScene()->getGroupItem();      \r
     }\r
@@ -232,9 +299,10 @@ GroupWidget *Parameters::loadProject(QDomElement root) throw(Exception) {
     if (idUpperScene != -1) {\r
       groupWidget->setWindowTitle(groupBlock->getName());\r
       groupWidget->show();\r
+      cout << qPrintable(groupItem->getRefBlock()->getName()) << " has upper box item in " << qPrintable(groupItem->getParentItem()->getScene()->getGroupItem()->getRefBlock()->getName()) << endl;\r
     }    \r
   }\r
-  dispatcher->setSceneCounter(maxIdScene+1);\r
+  dispatcher->setSceneCounter(Dispatcher::Load, maxIdScene+1);\r
   cout << "groupItems loaded and windows created succefully!" << endl;\r
 \r
   /**********************************************************\r
@@ -249,7 +317,29 @@ GroupWidget *Parameters::loadProject(QDomElement root) throw(Exception) {
     GroupScene *currentScene = searchSceneById(idScene,topScene);\r
 \r
     if(currentScene == NULL) throw(Exception(PROJECTFILE_CORRUPTED));\r
-\r
+    /**********************************************************\r
+     2.1 : getting sources if it is top scene\r
+    ***********************************************************/\r
+    if (currentScene->isTopScene()) {\r
+      QDomNodeList sourceNodes = currentSceneNode.elementsByTagName("source_item");\r
+      cout << "top scene has " << sourceNodes.length() << " sources" << endl;\r
+      for(int j=0; j<sourceNodes.length(); j++) {\r
+        QDomElement currentSBNode = sourceNodes.at(j).toElement();      \r
+        SourceItem* sourceItem = new SourceItem(dispatcher,this);\r
+        try {\r
+          sourceItem->load(currentSBNode);\r
+        }\r
+        catch(Exception err) {\r
+          throw(err);\r
+        }\r
+        cout << "source item has been read, add it to the scene" << endl;\r
+        // add the block to the GroupScene\r
+        currentScene->addSourceItem(sourceItem);\r
+      } \r
+    }\r
+    /**********************************************************\r
+     2.2 : getting functional blocks\r
+    ***********************************************************/\r
     QDomNodeList functionalBlockNodes = currentSceneNode.elementsByTagName("bi_functional");\r
 \r
     for(int j=0; j<functionalBlockNodes.length(); j++) {\r
@@ -306,7 +396,7 @@ GroupWidget *Parameters::loadProject(QDomElement root) throw(Exception) {
       // get the GroupItem already created and set at phase 1\r
       GroupItem *insideGroup = searchGroupItemById(idGroup, topScene);\r
       BoxItem* upperItem = NULL;\r
-      if(insideGroup == NULL) cout << "group null" << endl;\r
+      if(insideGroup == NULL) cout << "group null" << endl;      \r
       // now search within the scene which BoxItem has a childItem that is = to insideGroup\r
       QList<BoxItem *> lst = currentScene->getBoxItems();\r
       foreach(BoxItem* item, lst) {\r
@@ -342,10 +432,10 @@ GroupWidget *Parameters::loadProject(QDomElement root) throw(Exception) {
         double position = currentInterfaceNode.attribute("position","none").toDouble(&ok);\r
         if(!ok) throw(Exception(PROJECTFILE_CORRUPTED));\r
 \r
-        ConnectedInterface *refInter = insideGroup->searchInterfaceByName(refName)->refInter;\r
+        ConnectedInterface *refInter = insideGroup->searchInterfaceItemByName(refName)->refInter;\r
         InterfaceItem *ifaceItem = new InterfaceItem(position, orientation, refInter, upperItem, this);\r
         ifaceItem->setId(id);\r
-        upperItem->addInterface(ifaceItem);\r
+        upperItem->addInterfaceItem(ifaceItem);\r
       }\r
     }\r
   }\r
@@ -367,13 +457,47 @@ GroupWidget *Parameters::loadProject(QDomElement root) throw(Exception) {
     InterfaceItem *iface2 = searchInterfaceItemById(to,topScene);\r
 \r
     if(iface1 != NULL && iface2 != NULL){\r
-      dispatcher->createConnection(iface1,iface2);\r
+      dispatcher->createConnection(Dispatcher::Load, iface1,iface2);\r
     } else {\r
       cout << "interfaces not found, connect canceled!" << endl;\r
     }\r
   }\r
   cout << "connections loaded and created succefully!" << endl;\r
 \r
+  QDomNodeList modifierNodes = root.elementsByTagName("modifier");\r
+\r
+  for(int i=0; i<modifierNodes.length(); i++){\r
+    QDomElement currentModifierNode = modifierNodes.at(i).toElement();\r
+\r
+    int id = currentModifierNode.attribute("id","none").toInt(&ok);\r
+    if(!ok) throw(Exception(PROJECTFILE_CORRUPTED));\r
+\r
+    QString typeStr = currentModifierNode.attribute("type","none");\r
+    if(!ok) throw(Exception(PROJECTFILE_CORRUPTED));\r
+    QString paramsStr = currentModifierNode.attribute("params","none");\r
+    if(!ok) throw(Exception(PROJECTFILE_CORRUPTED));\r
+\r
+    /* NB: just adding delays for now. To be cont'd */\r
+    InterfaceItem *iface = searchInterfaceItemById(id,topScene);\r
+\r
+    if ((iface == NULL ) || (iface->refInter == NULL) || (iface->refInter->getAssociatedIface() == NULL)) {\r
+      cout << "modified interface not found, modifiers setup canceled!" << endl;\r
+    }\r
+    else {\r
+      ConnectedInterface* connIface = AI_TO_CON(iface->refInter->getAssociatedIface());\r
+\r
+      AbstractInputModifier* mod = NULL;\r
+      if (typeStr == "delay") {\r
+        int delay = paramsStr.toInt(&ok);\r
+        if(!ok) throw(Exception(PROJECTFILE_CORRUPTED));\r
+        mod = new DelayInputModifier(connIface, delay);\r
+        connIface->setInputModifier(mod);\r
+      }\r
+    }\r
+  }\r
+\r
+  cout << "modifiers loaded and created succefully!" << endl;\r
+\r
   return topGroup;\r
 }\r
 \r
@@ -450,10 +574,27 @@ void Parameters::loadBlastConfiguration(QString confFile) throw(Exception) {
     implPathes.append(path);\r
     cout << "impl path : " << qPrintable(path) << endl << endl;\r
   }\r
+\r
+  QDomElement eltSource = eltImpl.nextSiblingElement("sources");\r
+  nbPathesStr = eltSource.attribute("nb","none");\r
+  nbPathes = nbPathesStr.toInt(&ok);\r
+  QDomNodeList listSourceDir = eltSource.elementsByTagName("source_lib");\r
+  if ((!ok) || (nbPathes != listSourceDir.size())) throw(Exception(CONFIGFILE_CORRUPTED));\r
+\r
+  for(int i=0;i<listSourceDir.size();i++) {\r
+    QDomNode nodeSourceDir = listSourceDir.at(i);\r
+    QDomElement eltSourceDir = nodeSourceDir.toElement();\r
+    if (eltSourceDir.isNull()) throw(Exception(CONFIGFILE_CORRUPTED));\r
+    QString path = eltSourceDir.attribute("path","none");\r
+    if (path == "none") throw(Exception(CONFIGFILE_CORRUPTED));\r
+    sourcePathes.append(path);\r
+    cout << "core path : " << qPrintable(path) << endl << endl;\r
+  }\r
+\r
   // getting elt = the element <defaults>\r
   // for each child element, initialize the associated attributes of Parameters\r
 \r
-  QDomElement eltDefaults = eltImpl.nextSiblingElement("defaults");\r
+  QDomElement eltDefaults = eltSource.nextSiblingElement("defaults");\r
 \r
   QDomElement eltBlocks = eltDefaults.firstChildElement("blocks");\r
   QString attributeStr = eltBlocks.attribute("width", "none");\r
@@ -515,7 +656,7 @@ void Parameters::loadReferencesFromXml() throw(Exception) {
       QString line = in.readLine();\r
       line = in.readLine();\r
 \r
-      if (!line.contains("<block>")) {\r
+      if (!line.contains("<block")) {\r
         blockXML.close();\r
         continue;\r
       }\r
@@ -683,6 +824,28 @@ void Parameters::loadImplementationsFromXml() throw(Exception) {
       QString refXml = implRoot.attribute("ref_name","none");\r
       QString refMd5 = implRoot.attribute("ref_md5","none");\r
       BlockImplementation* impl = new BlockImplementation(fileName,refXml,refMd5);\r
+\r
+      QDomNodeList archNode = implRoot.elementsByTagName("architecture");\r
+\r
+      if (archNode.isEmpty()) {\r
+        cout << "impl has no architecture" << endl;\r
+        return;\r
+      }\r
+      QDomElement archElt = archNode.at(0).toElement();\r
+      QString compList = archElt.attribute("comp_list","none");\r
+      if (compList != "none") {\r
+        QStringList compos = compList.split(",");\r
+        foreach(QString s, compos) {\r
+          impl->addResource(s);\r
+        }\r
+      }\r
+\r
+      try {\r
+        impl->loadPatterns(implRoot);\r
+      }\r
+      catch(int err) {\r
+        throw(err);\r
+      }\r
       availableImplementations.append(impl);\r
 \r
       ReferenceBlock* ref = NULL;\r
@@ -694,9 +857,12 @@ void Parameters::loadImplementationsFromXml() throw(Exception) {
       }\r
       if (ref == NULL) {\r
         cout << "Cannot find a reference block for impl :" << qPrintable(fileName) << endl;\r
-      }\r
-      ref->addImplementation(impl);\r
-      impl->setReference(ref);\r
+      }      \r
+      else {          \r
+        ref->addImplementation(impl);\r
+        impl->setReference(ref);\r
+        if (! impl->checkPatterns()) throw(Exception(IMPLFILE_CORRUPTED));\r
+      }      \r
       cout << "OK" << endl;\r
     }\r
   }\r
@@ -741,8 +907,11 @@ void Parameters::loadImplementationsFromLib() throw(Exception) {
     if (ref == NULL) {\r
       cout << "Cannot find a reference block for impl :" << qPrintable(impl->getXmlFile()) << endl;\r
     }\r
-    ref->addImplementation(impl);\r
-    impl->setReference(ref);\r
+    else {          \r
+      ref->addImplementation(impl);\r
+      impl->setReference(ref);\r
+      if (! impl->checkPatterns()) throw(Exception(IMPLFILE_CORRUPTED));\r
+    }\r
   }\r
   libFile.close();\r
 }\r
@@ -772,6 +941,74 @@ void Parameters::saveImplementationsToLib() throw(Exception) {
   libFile.close();\r
 \r
 }\r
+\r
+\r
+void Parameters::loadSources() throw(Exception) {\r
+\r
+  for(int i=0;i<sourcePathes.size();i++) {\r
+    cout << "analyzing " << qPrintable(sourcePathes.at(i)) << endl;\r
+    QDir dir(sourcePathes.at(i));\r
+    QStringList filter;\r
+    filter << "*.vhd" << "*.ngc";\r
+    dir.setNameFilters(filter);\r
+    QStringList list = dir.entryList();\r
+    for(int j=0;j<list.size();j++) {\r
+      QString fileName = dir.absolutePath();\r
+      fileName.append("/"+list.at(j));\r
+\r
+      if (list.at(j).endsWith(".ngc")) {\r
+        QString netName = list.at(j);\r
+        netName.truncate(list.at(j).size() -4);\r
+        cout << "found netlist " << qPrintable(netName) << endl;\r
+        availableResources.append(new ExternalResource(netName,fileName,ExternalResource::Netlist));\r
+      }\r
+      else {\r
+        cout << "parsing " << qPrintable(fileName) << " ... ";\r
+        QFile srcXML(fileName);\r
+        if (!srcXML.open(QIODevice::ReadOnly)) {\r
+          throw(Exception(IMPLFILE_NOACCESS));\r
+        }\r
+        QTextStream in(&srcXML);\r
+\r
+        QString line = in.readLine();\r
+        while (!line.isNull()) {\r
+          if (line.contains("package", Qt::CaseInsensitive)) {\r
+            QRegularExpression rxPack("^package (.+) is$",QRegularExpression::CaseInsensitiveOption);\r
+            QRegularExpressionMatch matchPack = rxPack.match(line);\r
+            if (matchPack.hasMatch()) {\r
+              QString packName = matchPack.captured(1);\r
+              cout << "found package " << qPrintable(packName) << endl;\r
+              availableResources.append(new ExternalResource(packName,fileName,ExternalResource::Package));\r
+            }\r
+          }\r
+          else if (line.contains("entity", Qt::CaseInsensitive)) {\r
+            QRegularExpression rxEnt("^entity (.+) is$",QRegularExpression::CaseInsensitiveOption);\r
+            QRegularExpressionMatch matchEnt = rxEnt.match(line);\r
+            if (matchEnt.hasMatch()) {\r
+              QString entityName = matchEnt.captured(1);\r
+              cout << "found entity " << qPrintable(entityName) << endl;\r
+              availableResources.append(new ExternalResource(entityName,fileName,ExternalResource::Code));\r
+            }\r
+          }\r
+          line = in.readLine();\r
+        }\r
+        srcXML.close();\r
+        cout << "OK" << endl;\r
+      }\r
+    }\r
+  }\r
+}\r
+\r
+QList<ExternalResource *> Parameters::searchResourceByName(const QString& name) {\r
+  QList<ExternalResource*> listRes;\r
+  foreach(ExternalResource* s, availableResources) {\r
+    if (s->getName() == name) {\r
+      listRes.append(s);\r
+    }\r
+  }\r
+  return listRes;\r
+}\r
+\r
 void Parameters::addAvailableBlock(ReferenceBlock *block) {\r
   availableBlocks.append(block);\r
   foreach (int id,block->getCategories()) {\r
@@ -933,6 +1170,35 @@ void Parameters::save(QString confFile) {
     }\r
 \r
     writer.writeEndElement();    //</connections>\r
+\r
+    QList<InterfaceItem *> lstIfaceItem;\r
+    // search for modifiers\r
+    foreach(ConnectionItem* item, allConnections) {\r
+      InterfaceItem* fromIfaceItem = item->getFromInterfaceItem();\r
+      AbstractInputModifier* mod = fromIfaceItem->refInter->getInputModifier();\r
+      if (mod != NULL) {\r
+        if (!lstIfaceItem.contains(fromIfaceItem)) lstIfaceItem.append(fromIfaceItem);\r
+      }\r
+      InterfaceItem* toIfaceItem = item->getToInterfaceItem();\r
+      mod = toIfaceItem->refInter->getInputModifier();\r
+      if (mod != NULL) {\r
+        if (!lstIfaceItem.contains(toIfaceItem)) lstIfaceItem.append(toIfaceItem);\r
+      }\r
+    }\r
+    // write input modifiers\r
+    writer.writeStartElement("modifiers");\r
+    foreach(InterfaceItem* item, lstIfaceItem) {\r
+      AbstractInputModifier* mod = item->refInter->getInputModifier();\r
+      if (mod != NULL) {\r
+        writer.writeStartElement("modifier");\r
+        writer.writeAttribute("id", QString::number(item->getId()));\r
+        writer.writeAttribute("type",mod->getTypeStr());\r
+        writer.writeAttribute("params", mod->getParametersStr());\r
+        writer.writeEndElement();\r
+      }\r
+    }\r
+\r
+    writer.writeEndElement();    //</modifiers>\r
     writer.writeEndElement();      //</blast_project\r
 \r
     writer.writeEndDocument();\r
@@ -949,8 +1215,13 @@ void Parameters::setArrowPathes() {
   _inArrow.lineTo(arrowLineLength+arrowWidth,-arrowHeight/2);\r
   _inArrow.lineTo(arrowLineLength+arrowWidth,arrowHeight/2);\r
   _inArrow.lineTo(arrowLineLength,0);\r
-  _inArrow.closeSubpath();\r
-  inArrow = _inArrow;\r
+  //_inArrow.closeSubpath();\r
+  dataArrowIn = _inArrow;\r
+\r
+  QPainterPath _inArrowC;\r
+  _inArrowC.lineTo(arrowLineLength,0);\r
+  _inArrowC.addEllipse(arrowLineLength,-arrowHeight/2,arrowHeight-1,arrowHeight-1);\r
+  clkrstArrow = _inArrowC;\r
 \r
   QPainterPath _outArrow;\r
   _outArrow.lineTo(arrowLineLength,0);\r
@@ -958,8 +1229,8 @@ void Parameters::setArrowPathes() {
   _outArrow.lineTo(arrowLineLength+arrowWidth,0);\r
   _outArrow.lineTo(arrowLineLength,arrowHeight/2);\r
   _outArrow.lineTo(arrowLineLength,0);\r
-  _outArrow.closeSubpath();\r
-  outArrow = _outArrow;\r
+  //_outArrow.closeSubpath();\r
+  dataArrowOut = _outArrow;\r
 \r
 }\r
 \r
@@ -1003,6 +1274,27 @@ BoxItem* Parameters::searchBlockItemById(int id, GroupScene *scene) {
   return NULL;\r
 }\r
 \r
+BoxItem* Parameters::searchFunctionalBlock(AbstractBlock* block) {\r
+\r
+  return searchFunctionalBlockRecur(block,topScene);\r
+}\r
+\r
+BoxItem* Parameters::searchFunctionalBlockRecur(AbstractBlock* block, GroupScene* scene) {\r
+\r
+  foreach(BoxItem *item, scene->getBoxItems()){\r
+    if(item->getRefBlock() == block) {\r
+      return item;\r
+    }\r
+  }\r
+\r
+  BoxItem* item = NULL;\r
+  foreach(GroupScene *s, scene->getChildrenScene()) {\r
+    item = searchFunctionalBlockRecur(block,s);\r
+    if (item != NULL) return item;\r
+  }\r
+  return NULL;\r
+}\r
+\r
 InterfaceItem* Parameters::searchInterfaceItemById(int id, GroupScene* scene) {\r
 \r
   foreach(InterfaceItem *item, scene->getGroupItem()->getInterfaces()){\r
@@ -1010,6 +1302,15 @@ InterfaceItem* Parameters::searchInterfaceItemById(int id, GroupScene* scene) {
       return item;\r
     }\r
   }\r
+  if (scene->isTopScene()) {\r
+    foreach(SourceItem *block, scene->getSourceItems()){\r
+      foreach(InterfaceItem *item, block->getInterfaces()){\r
+        if(item->getId() == id){\r
+          return item;\r
+        }\r
+      }\r
+    } \r
+  }\r
   foreach(BoxItem *block, scene->getBoxItems()){\r
     foreach(InterfaceItem *item, block->getInterfaces()){\r
       if(item->getId() == id){\r
@@ -1024,3 +1325,10 @@ InterfaceItem* Parameters::searchInterfaceItemById(int id, GroupScene* scene) {
   }\r
   return NULL;\r
 }\r
+\r
+QString Parameters::normalizeName(const QString &name) {\r
+  QString s = name;\r
+  s.replace(QRegularExpression("[^a-zA-Z0-9_]"),"_");\r
+  s.replace(QRegularExpression("[_]+"),"_");\r
+  return s;\r
+}\r