tmf/org.lttng.scope.tmf2.views.ui/src/org/lttng/scope/tmf2/views/ui/jfx/examples/ArrowExample.java

   1 package org.lttng.scope.tmf2.views.ui.jfx.examples;
   2
   3 import org.eclipse.jdt.annotation.Nullable;
   4 import org.lttng.scope.tmf2.views.ui.jfx.Arrow;
   5
   6 import javafx.application.Application;
   7 import javafx.scene.Scene;
   8 import javafx.scene.layout.Pane;
   9 import javafx.scene.paint.Color;
  10 import javafx.stage.Stage;
  11
  12 public class ArrowExample extends Application {
  13
  14     public static void main(String[] args) {
  15         launch(args);
  16     }
  17
  18     @Override
  19     public void start(@Nullable Stage primaryStage) throws Exception {
  20         if (primaryStage == null) {
  21             return;
  22         }
  23
  24         Pane root = new Pane();
  25         Arrow arrow = new Arrow();
  26         arrow.setStroke(Color.GREEN);
  27         root.getChildren().add(arrow);
  28
  29         root.setOnMouseClicked(evt -> {
  30             switch (evt.getButton()) {
  31             case PRIMARY:
  32                 // set pos of end with arrow head
  33                 arrow.setEndX(evt.getX());
  34                 arrow.setEndY(evt.getY());
  35                 break;
  36             case SECONDARY:
  37                 // set pos of end without arrow head
  38                 arrow.setStartX(evt.getX());
  39                 arrow.setStartY(evt.getY());
  40                 break;
  41             case MIDDLE:
  42             case NONE:
  43             default:
  44                 break;
  45             }
  46         });
  47
  48         Scene scene = new Scene(root, 400, 400);
  49
  50         primaryStage.setScene(scene);
  51         primaryStage.show();
  52     }
  53
  54 }