clkconvert OP compute done

[blast.git] / ConnectionItem.cpp

diff --git a/ConnectionItem.cpp b/ConnectionItem.cpp
index 5dcd338dc47b60392dc7520fb7287e6ac44a3c14..61af6c83e1a893d96477f245bd413acd4c29ab43 100644 (file)
--- a/ConnectionItem.cpp
+++ b/ConnectionItem.cpp
@@ -9,24 +9,30 @@
 
 //int ConnectionItem::counter = 0;
 
-ConnectionItem::ConnectionItem(InterfaceItem* _iface1,
-                               InterfaceItem* _iface2,
+ConnectionItem::ConnectionItem(InterfaceItem* _fromInterfaceItem,
+                               InterfaceItem* _toInterfaceItem,
                                Dispatcher* _dispatcher,
                                Parameters* _params) : QGraphicsItem() {
 
 
   dispatcher = _dispatcher;
   params = _params;
+  fromInterfaceItem = _fromInterfaceItem;
+  toInterfaceItem = _toInterfaceItem;
+
+  /* NOTE: originally, the following was testing the correct order
+   * to connect the 2 interfaces. Presently, the order is predetermined
+   * when testing the AbstractInterface objets that must be connected.
 
   ConnectedInterface* ref1 = _iface1->refInter;
   ConnectedInterface* ref2 = _iface2->refInter;
-  /* ref. note in .h
+   ref. note in .h
      case 1 : ref1 is group interface, and ref2 block interface of a block within the group
      case 2 : the opposite of case 1
      case 3 : ref1 and ref2 are block interface of blocks that are both within the same parent group.
-     case 4 : ref1 is source interface and ref2 interface of top group
+     case 4 : ref1 is stimuli interface and ref2 interface of top group
      case 5 : the opposite of case 4
-   */
+
   if (ref1->getOwner() == ref2->getOwner()->getParent()) {
 
     if (ref1->getDirection() == AbstractInterface::Input) {
@@ -73,14 +79,16 @@ ConnectionItem::ConnectionItem(InterfaceItem* _iface1,
       fromInterfaceItem = _iface1;
     }
   }
-  else if ((ref1->getOwner()->isSourceBlock()) && (ref2->getOwner()->isTopGroupBlock())) {    
-    fromInterfaceItem = _iface1;    
+  else if ((ref1->getOwner()->isStimuliBlock()) && (ref2->getOwner()->isTopGroupBlock())) {    
+    fromInterfaceItem = _iface1;
     toInterfaceItem = _iface2;
   }
-  else if ((ref2->getOwner()->isSourceBlock()) && (ref1->getOwner()->isTopGroupBlock())) {    
-    fromInterfaceItem = _iface2;    
+  else if ((ref2->getOwner()->isStimuliBlock()) && (ref1->getOwner()->isTopGroupBlock())) {    
+    fromInterfaceItem = _iface2;
     toInterfaceItem = _iface1;
   }
+
+  */
   // adding this to interface items
   fromInterfaceItem->addConnectionItem(this);
   toInterfaceItem->addConnectionItem(this);
@@ -876,18 +884,22 @@ void ConnectionItem::contextMenuEvent(QGraphicsSceneContextMenuEvent * event) {
   /* have to check if the connection can be removed.
      If the from or to InterfaceItem is owned by a group item, and this item
      is both connected to and from, thus it is impossible to remove this connection
+     because there would be a  group interface alone and not connected and this situation is not allowed.
+
+     Nevertheless, there are 2 exceptions :
+        - a from group interface is connected to more than one input interface
+        - the connection is between a source block outside the top group and the top group
    */
   bool canRemove = true;
-  InterfaceItem* groupIfaceItem = NULL;
+
   if (fromInterfaceItem->getOwner()->isGroupItem()) {
-    groupIfaceItem = fromInterfaceItem;
-  }
-  else if (toInterfaceItem->getOwner()->isGroupItem()) {
-    groupIfaceItem = toInterfaceItem;
+    ConnectedInterface* ref = fromInterfaceItem->refInter;
+    if ((ref->isConnectedFrom()) && (ref->getConnectedTo().length() == 1)) {
+      canRemove = false;
+    }
   }
-
-  if (groupIfaceItem != NULL) {
-    ConnectedInterface* ref = groupIfaceItem->refInter;
+  else if ((toInterfaceItem->getOwner()->isGroupItem()) && (! toInterfaceItem->getOwner()->getRefBlock()->isTopGroupBlock())) {
+    ConnectedInterface* ref = toInterfaceItem->refInter;
     if ((ref->isConnectedFrom()) && (ref->isConnectedTo())) {
       canRemove = false;
     }
@@ -902,7 +914,7 @@ void ConnectionItem::contextMenuEvent(QGraphicsSceneContextMenuEvent * event) {
     QAction * selectedAction= menu.exec(event->screenPos());
 
     if(selectedAction == removeAction){
-      dispatcher->removeConnection(this);
+      dispatcher->removeConnection(Dispatcher::Design, this);
     }
   }
 }