line highlighting preparation

src/main/java/edu/kit/formal/gui/controls/ScriptArea.java

@@ -12,10 +12,14 @@ import javafx.beans.property.SimpleObjectProperty;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.collections.ObservableSet;
+import javafx.event.ActionEvent;
 import javafx.geometry.Insets;
 import javafx.geometry.Point2D;
 import javafx.scene.Node;
+import javafx.scene.control.ContextMenu;
 import javafx.scene.control.Label;
+import javafx.scene.control.MenuItem;
+import javafx.scene.input.MouseEvent;
 import javafx.scene.layout.Background;
 import javafx.scene.layout.BackgroundFill;
 import javafx.scene.layout.HBox;
@@ -26,29 +30,43 @@ import javafx.scene.text.Font;
 import javafx.scene.text.FontPosture;
 import org.antlr.v4.runtime.CharStreams;
 import org.antlr.v4.runtime.Token;
+import org.fxmisc.richtext.CharacterHit;
 import org.fxmisc.richtext.CodeArea;
 import org.fxmisc.richtext.MouseOverTextEvent;
+import org.fxmisc.richtext.model.NavigationActions;
+import org.fxmisc.richtext.model.Paragraph;
+import org.fxmisc.richtext.model.StyledText;
 import org.reactfx.collection.LiveList;
 import org.reactfx.value.Val;
 
 import java.time.Duration;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.function.IntFunction;
 
 /**
- * ScriptArea is the textarea on the left side of the GUI. It displays the script code and allows highlighting of lines and setting of breakpoints
+ * ScriptArea is the textarea on the left side of the GUI.
+ * It displays the script code and allows highlighting of lines and setting of breakpoints
+ *
  */
 public class ScriptArea extends CodeArea {
+    /**
+     * Lines to highlight?
+     */
     private ObservableSet<Integer> markedLines = FXCollections.observableSet();
     private GutterFactory gutter;
     private ANTLR4LexerHighlighter highlighter;
     private ListProperty<LintProblem> problems = new SimpleListProperty<>(FXCollections.observableArrayList());
-
+    private SimpleObjectProperty<CharacterHit> currentMouseOver = new SimpleObjectProperty<>();
 
     public ScriptArea() {
         init();
     }
 
+    public void setCurrentMouseOver(CharacterHit i) {
+        currentMouseOver.set(i);
+    }
+
     private void init() {
         this.setWrapText(true);
         gutter = new GutterFactory();
@@ -77,6 +95,21 @@ public class ScriptArea extends CodeArea {
                 }).subscribe(s -> setStyleSpans(0, s));*/
         getStyleClass().add("script-area");
         installPopup();
+
+
+        this.addEventHandler(MouseEvent.MOUSE_PRESSED, (MouseEvent e) -> {
+            CharacterHit hit = this.hit(e.getX(), e.getY());
+            currentMouseOver.set(this.hit(e.getX(), e.getY()));
+            int characterPosition = hit.getInsertionIndex();
+            //System.out.println("characterPosition = " + characterPosition);
+            // move the caret to that character's position
+            this.moveTo(characterPosition, NavigationActions.SelectionPolicy.CLEAR);
+
+        });
+
+        ScriptAreaContextMenu cm = new ScriptAreaContextMenu(currentMouseOver);
+        this.setContextMenu(cm);
+
     }
 
     private void installPopup() {
@@ -152,6 +185,25 @@ public class ScriptArea extends CodeArea {
         }
     }
 
+    /**
+     * Highlight line given by the characterindex
+     *
+     * @param chrIdx
+     */
+    public void highlightLine(int chrIdx) {
+        //calculate line number from characterindex
+        int lineNumber = this.offsetToPosition(chrIdx, Bias.Forward).getMajor();
+        Paragraph<Collection<String>, StyledText<Collection<String>>, Collection<String>> paragraph = this.getParagraph(lineNumber);
+        //calculate start and endposition
+        int startPos = getAbsolutePosition(this.offsetToPosition(chrIdx, Bias.Forward).getMajor(), 0);
+        int length = paragraph.length();
+        //highlight line
+
+        this.setStyle(startPos, startPos + length, Collections.singleton("line-highlight-postmortem"));
+
+    }
+
+
     public class GutterFactory implements IntFunction<Node> {
         private final Background defaultBackground =
                 new Background(new BackgroundFill(Color.web("#ddd"), null, null));
@@ -232,4 +284,33 @@ public class ScriptArea extends CodeArea {
         }
 
     }
+
+
+    private class ScriptAreaContextMenu extends ContextMenu {
+        MenuItem showPostmortemTab = new MenuItem("Show this State");
+        //MenuItem showPostmortemTab = new MenuItem("Show this State");
+
+        SimpleObjectProperty<CharacterHit> currentIdx = new SimpleObjectProperty<>();
+
+        public ScriptAreaContextMenu(SimpleObjectProperty<CharacterHit> currentMouseOver) {
+            super();
+            this.addEventHandler(ActionEvent.ACTION, e -> {
+                ScriptAreaContextMenu cm = (ScriptAreaContextMenu) e.getSource();
+                ScriptArea area = (ScriptArea) cm.getOwnerNode();
+                int chrIdx = currentIdx.get().getCharacterIndex().orElse(0);
+                if (chrIdx != 0) {
+                    area.highlightLine(chrIdx);
+                }
+            });
+
+            currentIdx.bind(currentMouseOver);
+            showPostmortemTab.addEventHandler(ActionEvent.ACTION, e -> {
+                System.out.println(currentIdx.get());
+            });
+            this.getItems().add(showPostmortemTab);
+
+        }
+
+
+    }
 }
\ No newline at end of file

src/main/java/edu/kit/formal/gui/controls/ScriptAreaTab.java

@@ -24,9 +24,8 @@ public class ScriptAreaTab extends Tab {
         try {
             loader.load();
         } catch (IOException e) {
-            e.printStackTrace();
-        }
 
+        }
     }
 
     public ScriptArea getScriptArea() {

src/main/java/edu/kit/formal/gui/model/RootModel.java

@@ -35,10 +35,6 @@ public class RootModel {
      */
     private final SimpleObjectProperty<File> keYFile = new SimpleObjectProperty<>();
 
-    /**
-     * Property: current loaded script string
-     */
-    //private ObservableValue<String> currentScript;
 
     /**
      * ListProperty: list of goal nodes in the current state (depending on interpreter state)
@@ -50,8 +46,14 @@ public class RootModel {
      */
     private final SimpleObjectProperty<GoalNode<KeyData>> currentSelectedGoalNode = new SimpleObjectProperty<>();
 
+    /**
+     * Loaded contracts
+     */
     private final SimpleListProperty<Contract> loadedContracts = new SimpleListProperty<>(FXCollections.observableArrayList());
 
+    /**
+     * Chosen contract for problem
+     */
     private final SimpleObjectProperty<Contract> chosenContract = new SimpleObjectProperty<>();
 
     public RootModel() {

src/main/resources/edu/kit/formal/gui/debugger-ui.less

@@ -79,6 +79,10 @@
     -rtfx-background-color: @magenta;
     -fx-underline: true;
   }
+
+  .line-highlight-postmortem{
+    -rtfx-background-color: @blue;
+  }
 }
 
 /**********************************************************************************************************************/