added test cases

changed IndistintWindow to IndistinctInformation, because we'll be using dialogs instead of seperate windows
added Countdownlatch for synchronziation
Bug fixes for the ScriptTree

rt-key/src/main/java/edu/kit/iti/formal/psdbg/interpreter/KeYProofFacade.java

@@ -8,11 +8,11 @@ import de.uka.ilkd.key.java.Services;
 import de.uka.ilkd.key.proof.Goal;
 import de.uka.ilkd.key.proof.Proof;
 import de.uka.ilkd.key.proof.init.ProofInputException;
-import de.uka.ilkd.key.proof.init.ProofOblInput;
 import de.uka.ilkd.key.proof.io.ProblemLoaderException;
 import de.uka.ilkd.key.speclang.Contract;
 import edu.kit.iti.formal.psdbg.interpreter.data.GoalNode;
 import edu.kit.iti.formal.psdbg.interpreter.data.KeyData;
+import edu.kit.iti.formal.psdbg.interpreter.funchdl.TacletAppSelectionDialogService;
 import javafx.beans.binding.BooleanBinding;
 import javafx.beans.property.SimpleBooleanProperty;
 import javafx.beans.property.SimpleObjectProperty;

rt-key/src/main/java/edu/kit/iti/formal/psdbg/interpreter/KeyInterpreter.java

@@ -3,16 +3,12 @@ package edu.kit.iti.formal.psdbg.interpreter;
 import com.google.common.collect.BiMap;
 import com.google.common.collect.ImmutableBiMap;
 import de.uka.ilkd.key.api.VariableAssignments;
-import de.uka.ilkd.key.java.Services;
-import de.uka.ilkd.key.logic.Term;
-import de.uka.ilkd.key.logic.TermBuilder;
-import de.uka.ilkd.key.parser.ParserException;
 import de.uka.ilkd.key.proof.Node;
 import de.uka.ilkd.key.proof.Proof;
 import edu.kit.iti.formal.psdbg.interpreter.data.*;
 import edu.kit.iti.formal.psdbg.interpreter.exceptions.InvalidTypeException;
 import edu.kit.iti.formal.psdbg.interpreter.funchdl.CommandLookup;
-import edu.kit.iti.formal.psdbg.interpreter.matcher.KeYMatcher;
+import edu.kit.iti.formal.psdbg.interpreter.funchdl.TacletAppSelectionDialogService;
 import edu.kit.iti.formal.psdbg.parser.Visitor;
 import edu.kit.iti.formal.psdbg.parser.ast.*;
 import edu.kit.iti.formal.psdbg.parser.data.Value;
@@ -22,7 +18,6 @@ import edu.kit.iti.formal.psdbg.parser.types.TypeFacade;
 import lombok.Getter;
 import lombok.Setter;
 
-import java.util.Collections;
 import java.util.List;
 import java.util.function.Function;
 

rt-key/src/main/java/edu/kit/iti/formal/psdbg/interpreter/funchdl/RuleCommandHandler.java

@@ -17,17 +17,14 @@ import de.uka.ilkd.key.proof.Proof;
 import de.uka.ilkd.key.proof.RuleAppIndex;
 import de.uka.ilkd.key.proof.SVInstantiationException;
 import de.uka.ilkd.key.proof.rulefilter.TacletFilter;
-import de.uka.ilkd.key.rule.IfFormulaInstantiation;
 import de.uka.ilkd.key.rule.Rule;
 import de.uka.ilkd.key.rule.Taclet;
 import de.uka.ilkd.key.rule.TacletApp;
 import de.uka.ilkd.key.rule.inst.InstantiationEntry;
-import de.uka.ilkd.key.rule.inst.SVInstantiations;
 import edu.kit.iti.formal.psdbg.RuleCommandHelper;
 import edu.kit.iti.formal.psdbg.ValueInjector;
-import edu.kit.iti.formal.psdbg.interpreter.IndistinctWindow;
+import edu.kit.iti.formal.psdbg.interpreter.IndistinctInformation;
 import edu.kit.iti.formal.psdbg.interpreter.Interpreter;
-import edu.kit.iti.formal.psdbg.interpreter.TacletAppSelectionDialogService;
 import edu.kit.iti.formal.psdbg.interpreter.data.GoalNode;
 import edu.kit.iti.formal.psdbg.interpreter.data.KeyData;
 import edu.kit.iti.formal.psdbg.interpreter.data.State;
@@ -35,36 +32,20 @@ import edu.kit.iti.formal.psdbg.interpreter.data.VariableAssignment;
 import edu.kit.iti.formal.psdbg.interpreter.exceptions.ScriptCommandNotApplicableException;
 import edu.kit.iti.formal.psdbg.interpreter.exceptions.VariableNotDeclaredException;
 import edu.kit.iti.formal.psdbg.interpreter.exceptions.VariableNotDefinedException;
-import edu.kit.iti.formal.psdbg.parser.Facade;
 import edu.kit.iti.formal.psdbg.parser.ast.*;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
-import javafx.event.ActionEvent;
-import javafx.event.EventHandler;
-import javafx.geometry.Pos;
-import javafx.scene.Scene;
-import javafx.scene.control.Button;
-import javafx.scene.control.ListView;
-import javafx.scene.control.TextField;
-import javafx.scene.layout.VBox;
-import javafx.stage.Modality;
-import javafx.stage.Stage;
-import javafx.stage.StageStyle;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 import lombok.Setter;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.key_project.util.collection.DefaultImmutableMap;
 import org.key_project.util.collection.ImmutableList;
-import org.key_project.util.collection.ImmutableMap;
 import org.key_project.util.collection.ImmutableMapEntry;
 
 import java.io.IOException;
-import java.math.BigInteger;
 import java.util.*;
-import java.util.concurrent.BrokenBarrierException;
-import java.util.concurrent.CyclicBarrier;
+import java.util.concurrent.CountDownLatch;
 
 /**
  * @author Alexander Weigl
@@ -194,20 +175,19 @@ public class RuleCommandHandler implements CommandHandler<KeyData> {
                 int linenr = call.getStartPosition().getLineNumber();
                 completed_matchingapps.forEach(k -> obsMatchApps.add(tacletAppIntoString(k, kd.getGoal(), linenr)));
 
-                //open window here
-                CyclicBarrier cyclicBarrier = new CyclicBarrier(2, tacletAppSelectionDialogService.getRunnable());
-                IndistinctWindow indistinctWindow = new IndistinctWindow(obsMatchApps);
+                CountDownLatch countDownLatch = new CountDownLatch(1);
 
-                tacletAppSelectionDialogService.setCyclicBarrier(cyclicBarrier);
-                tacletAppSelectionDialogService.setPane(indistinctWindow);
+                //open window here
+                tacletAppSelectionDialogService.makeRunnable();
+                tacletAppSelectionDialogService.setCountDownLatch(countDownLatch);
+                IndistinctInformation indistinctInformation = new IndistinctInformation(obsMatchApps);
+                tacletAppSelectionDialogService.setErrorInformation(indistinctInformation);
                 tacletAppSelectionDialogService.showDialog();
 
                 try {
-                    cyclicBarrier.await();
-                } catch (InterruptedException ex) {
-
-                } catch (BrokenBarrierException ex) {
-
+                    countDownLatch.await();
+                } catch (InterruptedException e1) {
+                    e1.printStackTrace();
                 }
 
                 TacletApp chosenApp = completed_matchingapps.get(tacletAppSelectionDialogService.getUserIndexInput());

rt-key/src/main/java/edu/kit/iti/formal/psdbg/interpreter/funchdl/TacletAppSelectionDialogService.java

+package edu.kit.iti.formal.psdbg.interpreter.funchdl;
+
+import edu.kit.iti.formal.psdbg.interpreter.ErrorInformation;
+import edu.kit.iti.formal.psdbg.interpreter.IndistinctInformation;
+import javafx.application.Platform;
+
+import javafx.scene.control.ChoiceDialog;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.concurrent.*;
+
+public abstract class TacletAppSelectionDialogService {
+
+    @Setter
+    ErrorInformation errorInformation;
+
+    @Setter
+    CountDownLatch countDownLatch;
+
+    @Getter
+    int userIndexInput;
+
+    @Getter
+    private Runnable runnable;
+
+    public void showDialog() {
+        Platform.runLater(runnable);
+    }
+
+
+    public void makeRunnable() {
+        runnable = new Runnable() {
+            @Override
+            public void run() {
+
+                if (errorInformation instanceof IndistinctInformation) {
+                    List tacletApps = ((IndistinctInformation) errorInformation).getMatchApps();
+                    ChoiceDialog<String> dialog = new ChoiceDialog<>(tacletApps.get(0), tacletApps);
+                    dialog.setTitle("Indistinct taclet application:");
+                    dialog.setHeaderText("Choose a taclet application:");
+                    dialog.setContentText("Possible taclet applications:");
+
+                    // Traditional way to get the response value.
+                    Optional<String> result = dialog.showAndWait();
+                    result.ifPresent(tacletApp -> {
+                        userIndexInput = tacletApps.indexOf(tacletApp);
+                        countDownLatch.countDown();
+
+                    });
+
+                }
+            }
+        };
+    }
+
+
+}

rt/src/main/java/edu/kit/iti/formal/psdbg/interpreter/ErrorInformation.java

+package edu.kit.iti.formal.psdbg.interpreter;
+
+/**
+ * Interface for classes that model information for completing a taclet application
+ */
+public interface ErrorInformation {
+
+}

rt/src/main/java/edu/kit/iti/formal/psdbg/interpreter/IndistinctInformation.java

+package edu.kit.iti.formal.psdbg.interpreter;
+
+import javafx.collections.ObservableList;
+import lombok.Getter;
+
+/**
+ * Contains information
+ */
+public class IndistinctInformation implements ErrorInformation {
+
+    @Getter
+    ObservableList<String> matchApps;
+
+    public IndistinctInformation(ObservableList<String> matchApps) {
+        this.matchApps = matchApps;
+    }
+}

rt/src/main/java/edu/kit/iti/formal/psdbg/interpreter/IndistinctWindow.java

-package edu.kit.iti.formal.psdbg.interpreter;
-
-import javafx.collections.ObservableList;
-import javafx.event.EventHandler;
-import javafx.fxml.FXMLLoader;
-import javafx.geometry.Orientation;
-import javafx.scene.control.Button;
-import javafx.scene.control.ListView;
-import javafx.scene.control.ScrollPane;
-import javafx.scene.control.TextField;
-import javafx.scene.input.MouseEvent;
-import javafx.scene.layout.BorderPane;
-import javafx.scene.layout.FlowPane;
-import javafx.scene.layout.HBox;
-import javafx.scene.layout.VBox;
-import javafx.scene.text.Text;
-import lombok.Getter;
-
-import java.util.List;
-
-public class IndistinctWindow extends VBox {
-
-    @Getter
-    int indexOfSelected = -1;
-
-    public Button accept;
-
-    public IndistinctWindow(ObservableList<String> matchApps) {
-
-        this.setPrefWidth(700);
-        //Center
-
-        ListView<String> listView = new ListView<String>(matchApps);
-        this.getChildren().add(listView);
-
-        //Bottom
-        accept = new Button();
-        accept.setText("Accept");
-        this.getChildren().add(accept);
-        listView.setOnMouseClicked(new EventHandler<MouseEvent>() {
-
-            @Override
-            public void handle(MouseEvent event) {
-                indexOfSelected = listView.getSelectionModel().getSelectedIndex();
-
-            }
-        });
-
-
-    }
-}

rt/src/main/java/edu/kit/iti/formal/psdbg/interpreter/TacletAppSelectionDialogService.java

-package edu.kit.iti.formal.psdbg.interpreter;
-
-import javafx.application.Platform;
-import javafx.concurrent.Service;
-import javafx.concurrent.Task;
-import javafx.event.EventHandler;
-import javafx.fxml.FXML;
-import javafx.fxml.FXMLLoader;
-import javafx.scene.Scene;
-import javafx.scene.control.Button;
-import javafx.scene.control.Dialog;
-import javafx.scene.input.MouseEvent;
-import javafx.scene.layout.BorderPane;
-import javafx.scene.layout.Pane;
-import javafx.stage.Stage;
-import lombok.Getter;
-import lombok.Setter;
-
-import java.util.List;
-import java.util.Optional;
-import java.util.concurrent.*;
-
-public abstract class TacletAppSelectionDialogService {
-
-    @Setter
-    IndistinctWindow pane;
-
-    @Getter
-    int userIndexInput;
-
-    private Runnable runnable;
-
-    @Setter
-    private CyclicBarrier cyclicBarrier;
-
-    public void showDialog() {
-        runnable = getRunnable();
-        Platform.runLater(runnable);
-    }
-
-    public Runnable getRunnable() {
-        return () -> {
-            if (pane != null) {
-                Dialog<Object> stage = new Dialog<>();
-                stage.setTitle("TacletAppSelectionDialog");
-                //Scene scene = new Scene(pane);
-                stage.getDialogPane().setContent(pane);
-                Optional<Object> app = stage.showAndWait();
-                try {
-                    stage.close();
-                    cyclicBarrier.await();
-                } catch (InterruptedException | BrokenBarrierException ignored) {
-                }
-            }
-        };
-
-    }
-
-    private void getIndex() {
-        userIndexInput = ((IndistinctWindow) pane).getIndexOfSelected();
-    }
-
-
-}

ui/src/main/java/edu/kit/iti/formal/psdbg/gui/controller/DebuggerMain.java

@@ -20,7 +20,6 @@ import edu.kit.iti.formal.psdbg.examples.Examples;
 import edu.kit.iti.formal.psdbg.fmt.DefaultFormatter;
 import edu.kit.iti.formal.psdbg.gui.ProofScriptDebugger;
 import edu.kit.iti.formal.psdbg.gui.controls.*;
-import edu.kit.iti.formal.psdbg.gui.controls.ScriptTree.AbstractTreeNode;
 import edu.kit.iti.formal.psdbg.gui.graph.Graph;
 import edu.kit.iti.formal.psdbg.gui.graph.GraphView;
 import edu.kit.iti.formal.psdbg.gui.model.DebuggerMainModel;
@@ -30,20 +29,21 @@ import edu.kit.iti.formal.psdbg.gui.model.MainScriptIdentifier;
 import edu.kit.iti.formal.psdbg.interpreter.InterpreterBuilder;
 import edu.kit.iti.formal.psdbg.interpreter.KeYProofFacade;
 import edu.kit.iti.formal.psdbg.interpreter.KeyInterpreter;
-import edu.kit.iti.formal.psdbg.interpreter.TacletAppSelectionDialogService;
+import edu.kit.iti.formal.psdbg.interpreter.funchdl.TacletAppSelectionDialogService;
 import edu.kit.iti.formal.psdbg.interpreter.data.GoalNode;
 import edu.kit.iti.formal.psdbg.interpreter.data.KeyData;
 import edu.kit.iti.formal.psdbg.interpreter.data.SavePoint;
 import edu.kit.iti.formal.psdbg.interpreter.data.State;
 import edu.kit.iti.formal.psdbg.interpreter.dbg.*;
 import edu.kit.iti.formal.psdbg.parser.ASTDiff;
-import edu.kit.iti.formal.psdbg.parser.Facade;
 import edu.kit.iti.formal.psdbg.parser.ast.ASTNode;
 import edu.kit.iti.formal.psdbg.parser.ast.ProofScript;
 import edu.kit.iti.formal.psdbg.storage.KeyPersistentFacade;
 import javafx.application.Platform;
 import javafx.beans.InvalidationListener;
 import javafx.beans.binding.BooleanBinding;
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.concurrent.Service;
@@ -417,6 +417,12 @@ public class DebuggerMain implements Initializable {
         scriptExecutionController = new ScriptExecutionController(this);
         renewThreadStateTimer();
 
+        model.statePointerProperty().addListener(new ChangeListener<PTreeNode<KeyData>>() {
+            @Override
+            public void changed(ObservableValue<? extends PTreeNode<KeyData>> observable, PTreeNode<KeyData> oldValue, PTreeNode<KeyData> newValue) {
+                refreshScriptTreeView();
+            }
+        });
         savePointController = new SavePointController(this);
 
         viewSettings = new ViewSettings(this);
@@ -1380,16 +1386,6 @@ public class DebuggerMain implements Initializable {
         }
     }
 
-    @FXML
-    public void showUserInteractionW(ActionEvent actionEvent) {
-        Stage stage = new Stage();
-        stage.setTitle("Userinteraction");
-        Scene scene = new Scene(new UserinteractionWindow());
-        stage.setScene(scene);
-
-        stage.show();
-    }
-
     @FXML
     public void showViewSettings(ActionEvent actionEvent) {
         Stage stage = new Stage();

ui/src/main/java/edu/kit/iti/formal/psdbg/gui/controller/InteractiveModeController.java

@@ -547,13 +547,7 @@ public class InteractiveModeController {
         } catch (Exception e) {
             if (e.getClass().equals(ScriptException.class)) {
                 if (e.getMessage().equals("Not a unique \\assumes instantiation")) {
-                    //TODO: open UserinteractionWindow
 
-                    //TODO: apply completed TacletApp
-
-                    //TODO: insert into script
-
-                }
                 System.out.println("e.getMessage() = " + e.getMessage());
                 throw new ScriptCommandNotApplicableException(e, c, map);
 

ui/src/main/java/edu/kit/iti/formal/psdbg/gui/controls/ScriptTreeGraph.java

@@ -12,18 +12,10 @@ import edu.kit.iti.formal.psdbg.interpreter.data.State;
 import edu.kit.iti.formal.psdbg.interpreter.dbg.PTreeNode;
 import edu.kit.iti.formal.psdbg.parser.DefaultASTVisitor;
 import edu.kit.iti.formal.psdbg.parser.ast.*;
-import javafx.beans.property.MapProperty;
-import javafx.beans.property.SimpleMapProperty;
-import javafx.collections.FXCollections;
-import javafx.scene.control.TreeCell;
-import javafx.scene.control.TreeItem;
-import javafx.scene.control.TreeView;
-import javafx.scene.control.cell.TextFieldTreeCell;
-import javafx.util.StringConverter;
+
 import lombok.Getter;
 import lombok.Setter;
 
-import javax.annotation.Nullable;
 import java.util.*;
 
 
@@ -142,7 +134,7 @@ public class ScriptTreeGraph {
                 }
                 List<AbstractTreeNode> subchild = new ArrayList<>();
                 subchild.add(atn);
-                //TODO: Hack for double foreach-end recognition
+
                 if(atn.getParent() == childlist.get(0).getParent()) return;
                 childlist.get(0).setChildren(subchild);
                 }
@@ -171,8 +163,14 @@ public class ScriptTreeGraph {
      */
     private void computeList () {
             while (currentNode != null) {
+                // already executed by interpreter
+                if (currentNode.getStateAfterStmt() != null) {
                     sortedList.add(currentNode);
                     currentNode = currentNode.getNextPtreeNode(currentNode);
+                } else { // not executed by interpreter yet
+                    break;
+                }
+
             }
         }
 
@@ -198,57 +196,6 @@ public class ScriptTreeGraph {
             mapping.size();
         }
 
-        /*
-    public TreeItem<AbstractTreeNode> toView () {
-        TreeItem<AbstractTreeNode> treeItem;
-        if(rootNode == null) {
-            treeItem = new TreeItem<>(new AbstractTreeNode(null));
-            DummyGoalNode dummy = new DummyGoalNode(null, false);
-            treeItem.getChildren().add(new TreeItem<>(dummy));
-            return treeItem;
-        }
-            treeItem = new TreeItem<>(new AbstractTreeNode(null));
-
-
-            List<AbstractTreeNode> children = mapping.get(rootNode.getNode()).getChildren();
-            if (children == null) return treeItem;
-            treeItem.getChildren().add(new TreeItem<>(mapping.get(rootNode.getNode())));
-
-            while (children.size() == 1) {
-                treeItem.getChildren().add(new TreeItem<>(children.get(0)));
-                children = children.get(0).getChildren();
-                if(children == null) return treeItem;
-            }
-
-            if (children.size() != 0) {
-                children.forEach(k -> treeItem.getChildren().add(rekursiveToView(k)));
-            }
-
-            return treeItem;
-        }
-
-        private TreeItem<AbstractTreeNode> rekursiveToView (AbstractTreeNode current){
-            TreeItem<AbstractTreeNode> treeItem = new TreeItem<>(current); //
-
-            List<AbstractTreeNode> children = current.getChildren();
-
-
-            while (children != null && children.size() == 1) {
-                if(children.get(0) == null) return treeItem;
-                    treeItem.getChildren().add(new TreeItem<>(children.get(0)));
-                children = children.get(0).getChildren();
-            }
-            if (children == null) {
-                return treeItem;
-            }
-
-            if (children.size() != 0) {
-                children.forEach(k -> treeItem.getChildren().add(rekursiveToView(k)));
-            }
-            return treeItem;
-        }
-        */
-
         private class ScriptVisitor extends DefaultASTVisitor<Void> {
 
             @Override
@@ -259,6 +206,7 @@ public class ScriptTreeGraph {
                 Node callnode = nextPtreeNode.getStateBeforeStmt().getSelectedGoalNode().getData().getNode();
                 ScriptTreeNode sn = new ScriptTreeNode(callnode, nextPtreeNode, nextPtreeNode.getStatement().getStartPosition().getLineNumber());
                 //check if statement was applicable
+
                 if (nextPtreeNode.getStateAfterStmt().getGoals().equals(nextPtreeNode.getStateBeforeStmt().getGoals())) {
                     sn.setSucc(false);
                 }
@@ -279,7 +227,7 @@ public class ScriptTreeGraph {
                         addPlaceholder(sn, sn.getNode());
                         break;
                     case 1:
-                       // putIntoMapping(children.get(0).getData().getNode(), null);
+
                         putIntoFront(children.get(0).getData().getNode());
                         addPlaceholder(sn, children.get(0).getData().getNode());
                         break;
@@ -344,8 +292,6 @@ public class ScriptTreeGraph {
             @Override
             public Void visit(DefaultCaseStatement caseStatement) {
                 PTreeNode<KeyData> nextintoptn = nextPtreeNode.getStepInto();
-
-                //TODO: QS throws a Nullpointer at same point, eventhough cript has no Defaultstatement
                 ScriptTreeNode match = new ScriptTreeNode(nextPtreeNode.getStepInto().getStateBeforeStmt().getSelectedGoalNode().getData().getNode(),nextPtreeNode,  nextPtreeNode.getStatement().getStartPosition().getLineNumber());
                 match.setMatchEx(true);
                 match.setSucc(true);
@@ -634,11 +580,14 @@ public class ScriptTreeGraph {
         return -1;
     }
 
-
+    /**
+     * Replace all placeholders with Dummygoals and count number of open and closed goals for statistics
+     * Count number of oben
+     */
     private void addGoals() {
         //No script has been executed yet
         if (rootNode instanceof DummyGoalNode) {
-            //fill statitics
+            //fill statistics
             if (rootNode.getNode().isClosed()) {
                 closedGoals++;
             } else {

ui/src/main/java/edu/kit/iti/formal/psdbg/gui/controls/ScriptTreeView.java

@@ -104,15 +104,23 @@ public class ScriptTreeView extends BorderPane {
 
         TreeItem<AbstractTreeNode> treeItem = new TreeItem<>(new AbstractTreeNode(null));
         rootNode = stg.getRootNode();
+        mapping = stg.getMapping();
 
         if (rootNode instanceof DummyGoalNode) {
             treeItem.getChildren().add(new TreeItem<>(rootNode));
             this.setTree(treeItem);
             return;
         }
-        mapping = stg.getMapping();
+
+        // first scriptcommand not executed yet
+        if (mapping.get(rootNode.getNode()) == null) {
+            treeItem.getChildren().add(new TreeItem<>(new DummyGoalNode(rootNode.getNode(), rootNode.getNode().isClosed())));
+            this.setTree(treeItem);
+            return;
+        }
 
         List<AbstractTreeNode> children = mapping.get(rootNode.getNode()).getChildren();
+
         if (children == null) {
             this.setTree(treeItem);
             return;

ui/src/main/java/edu/kit/iti/formal/psdbg/gui/controls/UserinteractionWindow.java

-package edu.kit.iti.formal.psdbg.gui.controls;
-
-import javafx.fxml.FXML;
-import javafx.scene.control.Button;
-import javafx.scene.control.TextArea;
-import javafx.scene.layout.BorderPane;
-
-public class UserinteractionWindow extends BorderPane {
-
-    @FXML
-    Button cancelButton;
-
-    @FXML
-    Button applyButton;
-
-    @FXML
-    TextArea tacletDescription;
-
-    public UserinteractionWindow() {
-        Utils.createWithFXML(this);
-
-    }
-}

ui/src/main/java/edu/kit/iti/formal/psdbg/gui/controls/VariableAssignmentWindow.java

@@ -65,7 +65,6 @@ public class VariableAssignmentWindow extends BorderPane {
 
     public VariableAssignmentWindow(InspectionModel inspectionModel) {
 
-        //TODO: reduce size of constructor
         Utils.createWithFXML(this);
 
         this.inspectionModel = inspectionModel;
@@ -165,6 +164,13 @@ public class VariableAssignmentWindow extends BorderPane {
             }
         });
 
+        watches_tableView.setRowFactory(tv -> new TableRow<VariableModel>() {
+            @Override
+            protected void updateItem(VariableModel vm, boolean empty) {
+                setStyle("-fx-background-color: white;");
+            }
+        });
+
         inspectionModel.currentInterpreterGoalProperty().addListener(new ChangeListener<GoalNode<KeyData>>() {
             @Override
             public void changed(ObservableValue<? extends GoalNode<KeyData>> observable, GoalNode<KeyData> oldValue, GoalNode<KeyData> newValue) {
@@ -239,23 +245,31 @@ public class VariableAssignmentWindow extends BorderPane {
         matchexp = match_variables.getText();
         if (matchexp.equals("")) return;
         Value value;
+        VariableModel vm;
         try {
             value = evaluator.eval(Facade.parseExpression(matchexp));
 
-            VariableModel vm = new VariableModel(matchexp,
+            vm = new VariableModel(matchexp,
                     value.getType().toString(),
                     value.getData().toString());
 
+
+        } catch (Exception e) {
+
+            System.out.println("No evaluable expression");
+
+            vm = new VariableModel(matchexp,
+                    "NOT DEFINED",
+                    "NOT DEFINED");
+
+        }
+
         watchesModel.add(vm);
         watches_tableView.refresh();
 
         //focus on tab
         SingleSelectionModel<Tab> selectionModel = tabPane.getSelectionModel();
         selectionModel.select(watchesTab);
-
-        } catch (Exception e) {
-            System.out.println("No evaluable expression");
-        }
     }
 
     /**

ui/src/main/resources/edu/kit/iti/formal/psdbg/examples/applyEq/script.kps

+// for testing the IndistinctWindow
 script mock_interaction() {
     impRight;
     andLeft;