First Commit (Fobi)

control/EditTabMitController.java

@@ -0,0 +1,262 @@
+package control;
+
+import imp.*;
+import graph.*;
+
+import javafx.fxml.*;
+import javafx.scene.control.*;
+import javafx.event.*;
+import javafx.scene.input.MouseEvent;
+import javafx.scene.layout.*;
+import javafx.scene.Node;
+import javafx.scene.text.*;
+import javafx.geometry.Pos;
+import javafx.stage.*;          // Dateiöffnen / Speichern-Dialog
+import java.io.File;  
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+
+import java.util.List;
+import javafx.collections.ObservableList;
+import java.util.Optional;
+
+/**
+ * Die Klasse EditTabMitController stellt einen Tab inclusive ihres Controllers
+ * zur Editierung eines Graphs dar.
+ *
+ * @author Thomas Schaller
+ * @version v6.7 (9.12.2020)
+ */
+
+
+public class EditTabMitController extends TabMitController {
+
+
+    public EditTabMitController(Graph graph, GraphOptions options) {
+        this.graph = graph;
+        this.options = options;
+
+    }
+
+    @FXML
+    private CheckBox cbGerichtet;
+
+    @FXML
+    private CheckBox cbGewichtet;
+
+    @FXML
+    private RadioButton rLeer;
+
+    @FXML
+    private ToggleGroup tgKnoten;
+
+    @FXML
+    private RadioButton rNummer;
+
+    @FXML
+    private RadioButton rWert;
+
+    @FXML
+    private CheckBox cbInfotext;
+
+    @FXML
+    private Label lBildname;
+
+    @FXML
+    private RadioButton rbMatrix;
+
+    @FXML
+    private ToggleGroup tgMatrixListe;
+
+    @FXML
+    private RadioButton rbListe;
+
+    @FXML
+    private Slider sGroesse;
+
+    private FileChooser dateidialog;
+
+    public void initialize() {
+
+        dateidialog = new FileChooser();
+        dateidialog.setInitialDirectory(new File("images"));
+
+        options.showEdgeWeights = graph.isGewichtet();
+        options.bildAnzeigen = true;
+        options.showVertexInfo = true;
+
+        viewer.setGraph(graph,options);
+        viewer.setEditable();
+
+        cbGerichtet.setSelected(graph.isGerichtet());
+        cbGewichtet.setSelected(graph.isGewichtet());
+        cbInfotext.setSelected(options.showVertexInfo);
+
+        tgKnoten.selectToggle(rLeer);
+        if(options.showVertexValue) { tgKnoten.selectToggle(rWert); }
+        if(options.showVertexText) { tgKnoten.selectToggle(rNummer); }
+
+        cbGerichtet.selectedProperty().addListener((cb, oldValue, newValue) -> setGerichtet(newValue));
+        cbGewichtet.selectedProperty().addListener((cb, oldValue, newValue) -> setGewichtet(newValue));
+        cbInfotext.selectedProperty().addListener((cb, oldValue, newValue) -> setInfotext(newValue));
+        tgKnoten.selectedToggleProperty().addListener((tg, oldValue, newValue) -> setKnotenTyp(newValue));
+        if(options.saveAsMatrix) 
+            tgMatrixListe.selectToggle(rbMatrix);
+        else
+            tgMatrixListe.selectToggle(rbListe);
+
+        tgMatrixListe.selectedToggleProperty().addListener((tg, oldValue, newValue) -> options.saveAsMatrix = (newValue == rbMatrix));
+        lBildname.setText(options.bildDatei);
+        super.initialize();
+
+        // this.setOnSelectionChanged(e -> {if(!this.isSelected()) this.getTabPane().getTabs().remove(this);});
+        sGroesse.valueProperty().addListener((s,oldValue,newValue) -> sGroesseAendern(newValue));    
+
+    }
+
+    void sGroesseAendern(Number size) {
+        options.vertexSize = size.intValue();
+        update();
+    }
+
+    void setGerichtet(boolean gerichtet) {
+        graph.setGerichtet(gerichtet);
+        update();
+    }
+
+    void setGewichtet(boolean gewichtet) {
+        graph.setGewichtet(gewichtet);
+        options.showEdgeWeights = gewichtet;
+        update();
+    }
+
+    void setInfotext(boolean anzeigen) {
+        options.showVertexInfo = anzeigen;
+        update();
+    }    
+
+    void setKnotenTyp(Toggle t) {
+        if(t == rWert) { options.showVertexValue = true; options.showVertexText = false;}
+        if(t == rNummer) { options.showVertexValue = false; options.showVertexText = true;}
+        if(t == rLeer) { options.showVertexValue = false; options.showVertexText = false;}
+
+        update();
+    }
+
+    @FXML
+    void bBildLaden(ActionEvent event) {
+        String workingDir = System.getProperty("user.dir");
+        File file = dateidialog.showOpenDialog(null);
+        if (file != null) {
+            try{
+                Files.copy( file.toPath(), (new File(workingDir+"\\images\\"+file.getName())).toPath(), StandardCopyOption.REPLACE_EXISTING);
+                options.bildDatei = file.getName();
+                lBildname.setText(options.bildDatei);
+                update();
+            } catch( Exception e) {
+                System.out.println("Fehler beim Kopieren des Bildes");
+            }
+        }
+    }
+
+    @FXML
+    void bBildLoeschen(ActionEvent event) {
+        options.bildDatei = "";
+        lBildname.setText(options.bildDatei);
+        update();
+    }
+
+    @FXML
+    void bDistanzenBestimmen(ActionEvent event) {
+        for(Kante k: graph.getAlleKanten()) {
+            Knoten s = k.getStart();
+            Knoten z = k.getZiel();
+            k.setGewicht(Math.round(Math.sqrt((s.getX()-z.getX())*(s.getX()-z.getX())+
+                        (s.getY()-z.getY())*(s.getY()-z.getY()))));
+        }
+        update();
+    }
+
+    @FXML
+    void graphClicked(MouseEvent event) { // MousePressed-Event
+
+        viewer.mouseClicked(event);
+        viewer.mouseDown(event);
+        if((viewer.getSelectedKnoten() != null || viewer.getSelectedKante() != null) && event.isSecondaryButtonDown()) { // Contextmenu
+            ContextMenu contextMenu = new ContextMenu();
+            MenuItem item1 = new MenuItem("Löschen");
+            item1.setOnAction(e -> this.mLoesche());
+            MenuItem item2 = new MenuItem("Gewicht ändern...");
+            item2.setOnAction(e -> this.mWertAendern());
+            MenuItem item3 = new MenuItem("Infotext ändern...");
+            item3.setOnAction(e -> this.mInfotextAendern());
+
+            // Add MenuItem to ContextMenu
+            contextMenu.getItems().clear();
+            contextMenu.getItems().add(item1);
+
+            if(viewer.getSelectedKante()!=null && graph.isGewichtet())
+                contextMenu.getItems().add(item2);
+            if (viewer.getSelectedKnoten() != null)    
+                contextMenu.getItems().add( item3 );
+
+            contextMenu.show(viewer, event.getScreenX(), event.getScreenY());
+        }
+    }
+
+    public void mLoesche() {
+        if(viewer.getSelectedKnoten() != null) {
+            graph.entferneKnoten(viewer.getSelectedKnoten());
+            update();
+        }
+        if(viewer.getSelectedKante() != null) {
+            graph.entferneKante(viewer.getSelectedKante());
+            update();
+        }
+    }
+
+    public void mWertAendern() {
+        Knoten k = viewer.getSelectedKnoten();
+        Kante ka = viewer.getSelectedKante();
+        if(k != null || ka !=null) {
+            double v;
+            if(k != null) v = k.getDoubleWert(); 
+            else v = ka.getGewicht();
+            TextInputDialog dialog = new TextInputDialog(""+v);
+            dialog.setHeaderText(null);
+            dialog.setTitle("Wert ändern");
+            dialog.setContentText("Bitte geben Sie den neuen Wert ein:");
+
+            Optional<String> result = dialog.showAndWait();
+            if (result.isPresent()){
+                try{
+                    v = Double.parseDouble(result.get());
+                    if(k != null) k.setWert(v);          
+                    else ka.setGewicht(v);
+                    update();
+                } catch (Exception e) {
+                    System.out.println("Keine Zahl eingegeben");
+                }
+            }
+        }
+    }
+
+    public void mInfotextAendern() {
+        Knoten k = viewer.getSelectedKnoten();
+        if(k != null ) {
+            TextInputDialog dialog = new TextInputDialog(k.getInfotext());
+            dialog.setHeaderText(null);
+            dialog.setTitle("Infotext ändern");
+            dialog.setContentText("Bitte geben Sie den Infotext ein:");
+
+            Optional<String> result = dialog.showAndWait();
+            if (result.isPresent()){
+                String t = result.get();
+                t.replaceAll(",","");
+                k.setInfotext(t);          
+                update();
+            }
+        }
+    }
+
+}