Basic: how to move left/right areas within the track?

Similar Questions

• XY LineChart move left/right

  In the code below that line can be moved (dragged) left / right side of the left mouse click and drag
  

  import javafx.application.Application; 
  import javafx.beans.property.SimpleDoubleProperty; 
  import javafx.event.EventHandler;  
  import javafx.scene.chart.NumberAxis; 
  import javafx.scene.chart.XYChart; 
  import javafx.stage.Stage; 
  import javafx.scene.Scene; 
  import javafx.scene.chart.LineChart; 
  import javafx.scene.input.MouseEvent; 
  import javafx.scene.layout.BorderPane; 
  
  public class XYMove extends Application {
  
  BorderPane pane; 
  XYChart.Series series1 = new XYChart.Series(); 
  
  SimpleDoubleProperty rectinitX = new SimpleDoubleProperty(); 
  SimpleDoubleProperty rectX = new SimpleDoubleProperty(); 
  SimpleDoubleProperty rectY = new SimpleDoubleProperty(); 
  
  @Override 
  public void start(Stage stage) { 
  
  final NumberAxis xAxis = new NumberAxis(4, 16, 1); 
  final NumberAxis yAxis = new NumberAxis(0.53000, 0.53910, 0.0005); 
  
  xAxis.setAnimated(false);
  yAxis.setAnimated(false);
  
  yAxis.setTickLabelFormatter(new NumberAxis.DefaultFormatter(yAxis) { 
  
      @Override 
      public String toString(Number object) { 
          return String.format("%7.5f", object); 
      } 
  }); 
  
  final LineChart<Number, Number> lineChart = new LineChart<Number, Number>(xAxis, yAxis); 
  
  lineChart.setCreateSymbols(false); 
  lineChart.setAlternativeRowFillVisible(false); 
  lineChart.setAnimated(false); 
  lineChart.setLegendVisible(false);
  
  series1.getData().add(new XYChart.Data(1, 0.53185)); 
  series1.getData().add(new XYChart.Data(2, 0.532235)); 
  series1.getData().add(new XYChart.Data(3, 0.53234)); 
  series1.getData().add(new XYChart.Data(4, 0.538765)); 
  series1.getData().add(new XYChart.Data(5, 0.53442)); 
  series1.getData().add(new XYChart.Data(6, 0.534658)); 
  series1.getData().add(new XYChart.Data(7, 0.53023)); 
  series1.getData().add(new XYChart.Data(8, 0.53001)); 
  series1.getData().add(new XYChart.Data(9, 0.53589)); 
  series1.getData().add(new XYChart.Data(10, 0.53476));
  series1.getData().add(new XYChart.Data(11, 0.53023)); 
  series1.getData().add(new XYChart.Data(12, 0.53001)); 
  series1.getData().add(new XYChart.Data(13, 0.53589)); 
  series1.getData().add(new XYChart.Data(14, 0.53476)); 
  
  pane = new BorderPane(); 
  pane.setCenter(lineChart); 
  Scene scene = new Scene(pane, 800, 600); 
  lineChart.getData().addAll(series1); 
  
  stage.setScene(scene);         
  
  scene.setOnMouseClicked(mouseHandler); 
  scene.setOnMouseDragged(mouseHandler); 
  scene.setOnMouseEntered(mouseHandler); 
  scene.setOnMouseExited(mouseHandler); 
  scene.setOnMouseMoved(mouseHandler); 
  scene.setOnMousePressed(mouseHandler); 
  scene.setOnMouseReleased(mouseHandler); 
  stage.show();
  } 
  
  EventHandler<MouseEvent> mouseHandler = new EventHandler<MouseEvent>() { 
  
  @Override 
  public void handle(MouseEvent mouseEvent) { 
  
      if (mouseEvent.getEventType() == MouseEvent.MOUSE_PRESSED) {             
          rectinitX.set(mouseEvent.getX()); 
      } 
      else if (mouseEvent.getEventType() == MouseEvent.MOUSE_DRAGGED || mouseEvent.getEventType() == MouseEvent.MOUSE_MOVED) { 
          LineChart<Number, Number> lineChart = (LineChart<Number, Number>) pane.getCenter(); 
          NumberAxis xAxis = (NumberAxis) lineChart.getXAxis(); 
  
          double Tgap = xAxis.getWidth()/(xAxis.getUpperBound() - xAxis.getLowerBound()); 
          double newXlower=xAxis.getLowerBound(), newXupper=xAxis.getUpperBound();             
          double Delta=0.3;
          
          if(mouseEvent.getEventType() == MouseEvent.MOUSE_DRAGGED){
          if(rectinitX.get() < mouseEvent.getX()){    
              newXlower=xAxis.getLowerBound()-Delta;
              newXupper=xAxis.getUpperBound()-Delta;
          }
      else if(rectinitX.get() > mouseEvent.getX()){    
              newXlower=xAxis.getLowerBound()+Delta;
              newXupper=xAxis.getUpperBound()+Delta;
          }    
          xAxis.setLowerBound( newXlower ); 
          xAxis.setUpperBound( newXupper );                        
          }                                        
          rectinitX.set(mouseEvent.getX());                                 
       } 
    } 
  }; 
      public static void main(String[] args) {
          launch(args);
      }
  }

  My question is: how to modify this code so to stop this movement left / right when the X value is == 0 (no need to strengthen negative X values) and X == end value for NumberAxis? (in this case is 16).
  

  final NumberAxis xAxis = new NumberAxis(4, 16, 1);

  Thank you all

  Just change to this part:

   if (rectinitX.get() < mouseEvent.getX() && newXlower >= 0) {
        newXlower = xAxis.getLowerBound() - Delta;
        newXupper = xAxis.getUpperBound() - Delta;
   } else if (rectinitX.get() > mouseEvent.getX() && newXupper <= 16) {
        newXlower = xAxis.getLowerBound() + Delta;
        newXupper = xAxis.getUpperBound() + Delta;
  }
  

  I just added: * & newXlower > = 0 * and * & newXupper<=>

  Published by: 981077 on January 14, 2013 06:47

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  http://img20.imageshack.us/img20/6264/questionk.PNG
  
  the scale of the axis left and right are not the same.
  
  How to configure?
  
  Thank you very much!

  Hello

  Try this
  Chart, Goto Advanced properties-> check the line sync and the axis of the bar
  This will make the two scale of identical values.

  Thank you
  Vino

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  Published by: jmart on 22 August 2012 23:58

  I did it by adding a 'master' component to the stage

  mainScene = new scene (masterPane, 430, 430);

  The master component is just a container that contains all the content but will resize the window resize event and therefore will always have the right width and height.

  masterPane = new Pane();
  masterPane.getChildren () .add (root);

  Due to that you can resize your content based on

  Double screenWidth = masterPane.getWidth ();
  Double screenHeight = masterPane.getHeight ();

  Here is an example. You can zoom (scrollwheel), pan (click and drag) and Center + scale on the screen (middle button) (only if the content is a square, there is a bug if the content is greater than the width, which I had no time to eliminate now but you get the point)

  import javafx.animation.Animation;
  import javafx.animation.ParallelTransition;
  import javafx.animation.ParallelTransitionBuilder;
  import javafx.animation.RotateTransition;
  import javafx.animation.RotateTransitionBuilder;
  import javafx.animation.ScaleTransition;
  import javafx.animation.ScaleTransitionBuilder;
  import javafx.animation.Timeline;
  import javafx.animation.TranslateTransition;
  import javafx.animation.TranslateTransitionBuilder;
  import javafx.application.Application;
  import javafx.event.EventHandler;
  import javafx.geometry.Point2D;
  import javafx.scene.Group;
  import javafx.scene.Scene;
  import javafx.scene.input.MouseButton;
  import javafx.scene.input.MouseEvent;
  import javafx.scene.input.ScrollEvent;
  import javafx.scene.layout.Pane;
  import javafx.scene.paint.Color;
  import javafx.scene.shape.Rectangle;
  import javafx.stage.Stage;
  import javafx.util.Duration;
  
  public class Test extends Application
  {
      Stage primStage;
      Scene mainScene;
      Group root;
      Pane masterPane;
      Point2D dragAnchor;
      double initX;
      double initY;
  
      public static void main(String[] args)
      {
          launch(args);
      }
  
      @Override
      public void init()
      {
          root = new Group();
  
          final Pane pane = new Pane();
          pane.setStyle("-fx-background-color: #CCFF99");
  
          pane.setOnScroll(new EventHandler()
          {
              @Override
              public void handle(ScrollEvent se)
              {
                  if(se.getDeltaY() > 0)
                  {
                      pane.setScaleX(pane.getScaleX() + pane.getScaleX()/15);
                      pane.setScaleY(pane.getScaleY() + pane.getScaleY()/15);
                  }
                  else
                  {
                      pane.setScaleX(pane.getScaleX() - pane.getScaleX()/15);
                      pane.setScaleY(pane.getScaleY() - pane.getScaleY()/15);
                  }
              }
          });
  
          pane.setOnMousePressed(new EventHandler()
          {
              public void handle(MouseEvent me)
              {
                  initX = pane.getTranslateX();
                  initY = pane.getTranslateY();
                  dragAnchor = new Point2D(me.getSceneX(), me.getSceneY());
              }
          });
  
          pane.setOnMouseDragged(new EventHandler()
          {
              public void handle(MouseEvent me) {
                  double dragX = me.getSceneX() - dragAnchor.getX();
                  double dragY = me.getSceneY() - dragAnchor.getY();
                  //calculate new position of the pane
                  double newXPosition = initX + dragX;
                  double newYPosition = initY + dragY;
                  //if new position do not exceeds borders of the rectangle, translate to this position
                  pane.setTranslateX(newXPosition);
                  pane.setTranslateY(newYPosition);
  
              }
          });
  
          int x = 0;
          int y = -40;
          for(int i = 0; i < 5; i++)
          {
              y = y + 40;
              for (int j = 0; j < 5; j++)
              {
                  final Rectangle rect = new Rectangle(x, y, 30 , 30);
                  final RotateTransition rotateTransition = RotateTransitionBuilder.create()
                          .node(rect)
                          .duration(Duration.seconds(4))
                          .fromAngle(0)
                          .toAngle(720)
                          .cycleCount(Timeline.INDEFINITE)
                          .autoReverse(true)
                          .build();
                  rect.setOnMouseClicked(new EventHandler()
                  {
                      public void handle(MouseEvent me)
                      {
                          if(rotateTransition.getStatus().equals(Animation.Status.RUNNING))
                          {
                              rotateTransition.setToAngle(0);
                              rotateTransition.stop();
                              rect.setFill(Color.BLACK);
                              rect.setScaleX(1.0);
                              rect.setScaleY(1.0);
                          }
                          else
                          {
                              rect.setFill(Color.AQUAMARINE);
                              rect.setScaleX(2.0);
                              rect.setScaleY(2.0);
                              rotateTransition.play();
                          }
  
                      }
                  });
  
                  pane.getChildren().add(rect);
                  x = x + 40;
  
              }
              x = 0;
  
          }
  
          pane.autosize();
          pane.setPrefSize(pane.getWidth(), pane.getHeight());
          pane.setMaxSize(pane.getWidth(), pane.getHeight());
          root.getChildren().add(pane);
  
          masterPane = new Pane();
          masterPane.getChildren().add(root);
          masterPane.setStyle("-fx-background-color: #AABBCC");
          masterPane.setOnMousePressed(new EventHandler()
          {
             public void handle(MouseEvent me)
             {
                 System.out.println(me.getButton());
                 if((MouseButton.MIDDLE).equals(me.getButton()))
                 {
                     double screenWidth  = masterPane.getWidth();
                     double screenHeight = masterPane.getHeight();
                     double scaleXIs     = pane.getScaleX();
                     double scaleYIs     = pane.getScaleY();
                     double paneWidth    = pane.getWidth()  * scaleXIs;
                     double paneHeight   = pane.getHeight() * scaleYIs;
  
                     double screenScale  = (screenWidth < screenHeight) ? screenWidth : screenHeight;
                     int    screenSide   = (screenWidth < screenHeight) ? 0 : 1;                 
  
                     double scaleFactor = 0.0;
                     if(screenSide == 1)
                     {
                         scaleFactor = screenScale / paneWidth;
                     }
                     else
                     {
                         scaleFactor = screenScale / paneHeight;
                     }
  
                     double scaleXTo = scaleXIs * scaleFactor;
                     double scaleYTo = scaleYIs * scaleFactor;
  
                     double moveToX  = (screenWidth /2) - (pane.getWidth()  / 2);
                     double moveToY  = (screenHeight/2) - (pane.getHeight() / 2);
                     TranslateTransition transTrans = TranslateTransitionBuilder.create()
                         .duration(Duration.seconds(2))
                         .toX(moveToX)
                         .toY(moveToY)
                         .build();
                     ScaleTransition scaleTrans = ScaleTransitionBuilder.create()
                         .duration(Duration.seconds(2))
                         .toX(scaleXTo)
                         .toY(scaleYTo)
                         .build();
                     ParallelTransition parallelTransition = ParallelTransitionBuilder.create()
                        .node(pane)
                        .children(transTrans,scaleTrans)
                        .build();
                     parallelTransition.play();
                 }
             }
          });
  
      }
      public void start(Stage primaryStage)
      {
          primStage = primaryStage;
          mainScene = new Scene(masterPane, 430, 430);
          primaryStage.setScene(mainScene);
          primaryStage.show();
      }
  }
  

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