GUI fix: model errors (and jumping to that tab) work better with running experiments.

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@4922 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/userinterface/model/GUIMultiModel.java

@@ -129,6 +129,11 @@ public class GUIMultiModel extends GUIPlugin implements PrismSettingsListener
 		return popup;
 	}
 
+	public boolean getComputing()
+	{
+		return computing;
+	}
+	
 	public void doEnables()
 	{
 		// do nothing if not initialised yet

prism/src/userinterface/model/GUIMultiModelHandler.java

@@ -849,6 +849,7 @@ public class GUIMultiModelHandler extends JPanel implements PrismModelListener
 		{
 			public void run()
 			{
+				editor.modelParseSuccessful();
 				updateBuiltModelDisplay();
 				theModel.doEnables();
 				theModel.notifyEventListeners(new GUIModelEvent(GUIModelEvent.MODEL_BUILT, lastMFConstants));
@@ -889,8 +890,11 @@ public class GUIMultiModelHandler extends JPanel implements PrismModelListener
 			{
 				if (lastBuildError != null && lastBuildError instanceof PrismLangException) {
 					editor.modelParseFailed((PrismLangException) lastBuildError, false);
+					// Bring model tab to front, but only if not busy e.g. with experiment
+					if (!theModel.getComputing()) {
 						theModel.tabToFront();
 					}
+				}
 				updateBuiltModelDisplay();
 				theModel.doEnables();
 				theModel.notifyEventListeners(new GUIModelEvent(GUIModelEvent.MODEL_BUILD_FAILED));