Bug 1201 - Add possibility to read out PLC run-state

- automatically print runstate info in silecs-diagnostic-gui

silecs-diagnostic-cpp/src/silecs-diagnostic/diagnostictoolmainview.cpp

@@ -251,7 +251,10 @@ void diagnosticToolMainView::on_connectButton_clicked()
 		Utils::displayPLCInformation(plc,ui->InformationMessage);
 
 		//highlight PLC background in green
-		ui->treeWidget->currentItem()->setBackgroundColor(0,Qt::green);
+		currentItem->setBackgroundColor(0,Qt::green);
+
+		//show the run-state of the PLC
+		mysilecs->updatePLCRunState(currentItem);
 
 		// Increment number of connected PLC
 		mysilecs->counterConnectedPLC++;
@@ -284,6 +287,9 @@ void diagnosticToolMainView::on_disconnectButton_clicked()
         // Cast the linked object PLC type
         Silecs::PLC* plc = (Silecs::PLC*)(currentItem->getLinkedObject());
 
+        //update the runstate
+		mysilecs->updatePLCRunState(currentItem);
+
         // Disconnect
         plc->disconnect();
 

silecs-diagnostic-cpp/src/silecs-diagnostic/silecsmodule.cpp

@@ -79,6 +79,39 @@ void silecsModule::enableDebugLog()
 	debugLoggingEnabled_ = true;
 }
 
+void silecsModule::updatePLCRunState(Item *plcItem)
+{
+	int index = 1;
+	try
+	{
+		Silecs::PLC* plc = (Silecs::PLC*)(plcItem->getLinkedObject());
+		if( !plc->isConnected() )
+		{
+			plcItem->setText(index,"");
+			plcItem->setBackgroundColor(index,Qt::white);
+		}
+		if( plc->isRunning() )
+		{
+			plcItem->setText(index,"running");
+			plcItem->setBackgroundColor(index,Qt::green);
+		}
+		else
+		{
+			plcItem->setText(index,"stopped");
+			plcItem->setBackgroundColor(index,Qt::yellow);
+		}
+	}
+	catch(const Silecs::SilecsException& ex2)
+	{
+		plcItem->setText(index,"state unknown");
+		plcItem->setBackgroundColor(index,Qt::red);
+		std::string message = "Failed to obtain plc run-state: ";
+		message +=  ex2.what();
+		Utils::logError(messageConsole_,message);
+	}
+
+}
+
 Item *silecsModule::generateTree(string className, string deployFile)
 {
     Item *root = NULL;
@@ -912,6 +945,7 @@ void silecsModule::updateClusterItem(Item *Cluster,bool updateInputBufferOnly)
 
 void silecsModule::updatePLCItem(Item *PLCItem,bool updateInputBufferOnly)
 {
+	updatePLCRunState(PLCItem);
 	Silecs::PLC* plc = (Silecs::PLC*)(PLCItem->getLinkedObject());
 	Utils::logInfo(messageConsole_,std::string("updating controller: '") + plc->getName() + "'");
     int numberOfdevice = PLCItem->childCount();

silecs-diagnostic-cpp/src/silecs-diagnostic/silecsmodule.h

@@ -68,6 +68,8 @@ public:
       */
     ~silecsModule();
 
+    void updatePLCRunState(Item *plcItem);
+
     /**
       *Generate the empty entire tree
       */