Example usage for javafx.scene.input Dragboard hasString

Introduction

In this page you can find the example usage for javafx.scene.input Dragboard hasString.

Prototype

public final boolean hasString() 

Source Link

Document

Gets whether a plain text String (DataFormat.PLAIN_TEXT) has been registered on this Clipboard.

Usage

From source file:eu.over9000.skadi.ui.MainWindow.java

@Override
public void start(final Stage stage) throws Exception {
    this.stage = stage;

    this.detailPane = new ChannelDetailPane(this);

    this.bp = new BorderPane();
    this.sp = new SplitPane();
    this.sb = new StatusBar();

    this.setupTable();
    this.setupToolbar(stage);

    this.sp.getItems().add(this.table);

    this.bp.setTop(this.tb);
    this.bp.setCenter(this.sp);
    this.bp.setBottom(this.sb);

    final Scene scene = new Scene(this.bp, 1280, 720);
    scene.getStylesheets().add(this.getClass().getResource("/styles/copyable-label.css").toExternalForm());
    scene.setOnDragOver(event -> {//w  w w  .j a  v  a 2 s  .  co m
        final Dragboard d = event.getDragboard();
        if (d.hasUrl() || d.hasString()) {
            event.acceptTransferModes(TransferMode.COPY);
        } else {
            event.consume();
        }
    });
    scene.setOnDragDropped(event -> {
        final Dragboard d = event.getDragboard();
        boolean success = false;
        if (d.hasUrl()) {
            final String user = StringUtil.extractUsernameFromURL(d.getUrl());
            if (user != null) {
                success = this.channelHandler.addChannel(user, this.sb);
            } else {
                this.sb.setText("dragged url is no twitch stream");
            }
        } else if (d.hasString()) {
            success = this.channelHandler.addChannel(d.getString(), this.sb);
        }
        event.setDropCompleted(success);
        event.consume();

    });

    stage.setTitle("Skadi");
    stage.getIcons().add(new Image(this.getClass().getResourceAsStream("/icons/skadi.png")));
    stage.setScene(scene);
    stage.show();

    stage.iconifiedProperty().addListener((obs, oldV, newV) -> {
        if (this.currentState.isMinimizeToTray()) {
            if (newV) {
                stage.hide();
            }
        }
    });
    stage.setOnCloseRequest(event -> Platform.exit());

    this.bindColumnWidths();

}

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From source file:Main.java

@Override
public void start(Stage primaryStage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 250);
    root.getChildren().addAll(source, target);

    source.setOnDragDetected(new EventHandler<MouseEvent>() {
        public void handle(MouseEvent event) {
            /* drag was detected, start a drag-and-drop gesture*/
            /* allow any transfer mode */
            Dragboard db = source.startDragAndDrop(TransferMode.ANY);

            /* Put a string on a dragboard */
            ClipboardContent content = new ClipboardContent();
            content.putString(source.getText());
            db.setContent(content);//  www .  j  ava  2  s  .  c o  m

            event.consume();
        }
    });
    target.setOnDragOver(new EventHandler<DragEvent>() {
        public void handle(DragEvent event) {
            /* data is dragged over the target */
            /* accept it only if it is not dragged from the same node 
             * and if it has a string data */
            if (event.getGestureSource() != target && event.getDragboard().hasString()) {
                /* allow for moving */
                event.acceptTransferModes(TransferMode.MOVE);
            }

            event.consume();
        }
    });
    target.setOnDragEntered(new EventHandler<DragEvent>() {
        public void handle(DragEvent event) {
            /* the drag-and-drop gesture entered the target */
            /* show to the user that it is an actual gesture target */
            if (event.getGestureSource() != target && event.getDragboard().hasString()) {
                target.setFill(Color.GREEN);
            }

            event.consume();
        }
    });
    target.setOnDragExited(new EventHandler<DragEvent>() {
        public void handle(DragEvent event) {
            /* mouse moved away, remove the graphical cues */
            target.setFill(Color.BLACK);

            event.consume();
        }
    });
    target.setOnDragDropped(new EventHandler<DragEvent>() {
        public void handle(DragEvent event) {
            /* data dropped */
            /* if there is a string data on dragboard, read it and use it */
            Dragboard db = event.getDragboard();
            boolean success = false;
            if (db.hasString()) {
                target.setText(db.getString());
                success = true;
            }
            /* let the source know whether the string was successfully 
             * transferred and used */
            event.setDropCompleted(success);

            event.consume();
        }
    });
    source.setOnDragDone(new EventHandler<DragEvent>() {
        public void handle(DragEvent event) {
            /* the drag and drop gesture ended */
            /* if the data was successfully moved, clear it */
            if (event.getTransferMode() == TransferMode.MOVE) {
                source.setText("");
            }
            event.consume();
        }
    });

    primaryStage.setScene(scene);
    primaryStage.show();
}

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From source file:Main.java

@Override
public void start(Stage stage) {
    stage.setTitle("Hello Drag And Drop");

    Group root = new Group();
    Scene scene = new Scene(root, 400, 200);
    scene.setFill(Color.LIGHTGREEN);

    final Text source = new Text(50, 100, "DRAG ME");
    source.setScaleX(2.0);//from w  w w .  jav  a  2 s.  co m
    source.setScaleY(2.0);

    final Text target = new Text(250, 100, "DROP HERE");
    target.setScaleX(2.0);
    target.setScaleY(2.0);

    source.setOnDragDetected(new EventHandler<MouseEvent>() {
        public void handle(MouseEvent event) {
            /* drag was detected, start drag-and-drop gesture*/
            System.out.println("onDragDetected");

            /* allow any transfer mode */
            Dragboard db = source.startDragAndDrop(TransferMode.ANY);

            /* put a string on dragboard */
            ClipboardContent content = new ClipboardContent();
            content.putString(source.getText());
            db.setContent(content);

            event.consume();
        }
    });

    target.setOnDragOver(new EventHandler<DragEvent>() {
        public void handle(DragEvent event) {
            /* data is dragged over the target */
            System.out.println("onDragOver");

            /* accept it only if it is  not dragged from the same node 
             * and if it has a string data */
            if (event.getGestureSource() != target && event.getDragboard().hasString()) {
                /* allow for both copying and moving, whatever user chooses */
                event.acceptTransferModes(TransferMode.COPY_OR_MOVE);
            }

            event.consume();
        }
    });

    target.setOnDragEntered(new EventHandler<DragEvent>() {
        public void handle(DragEvent event) {
            /* the drag-and-drop gesture entered the target */
            System.out.println("onDragEntered");
            /* show to the user that it is an actual gesture target */
            if (event.getGestureSource() != target && event.getDragboard().hasString()) {
                target.setFill(Color.GREEN);
            }

            event.consume();
        }
    });

    target.setOnDragExited(new EventHandler<DragEvent>() {
        public void handle(DragEvent event) {
            /* mouse moved away, remove the graphical cues */
            target.setFill(Color.BLACK);

            event.consume();
        }
    });

    target.setOnDragDropped(new EventHandler<DragEvent>() {
        public void handle(DragEvent event) {
            /* data dropped */
            System.out.println("onDragDropped");
            /* if there is a string data on dragboard, read it and use it */
            Dragboard db = event.getDragboard();
            boolean success = false;
            if (db.hasString()) {
                target.setText(db.getString());
                success = true;
            }
            /* let the source know whether the string was successfully 
             * transferred and used */
            event.setDropCompleted(success);

            event.consume();
        }
    });

    source.setOnDragDone(new EventHandler<DragEvent>() {
        public void handle(DragEvent event) {
            /* the drag-and-drop gesture ended */
            System.out.println("onDragDone");
            /* if the data was successfully moved, clear it */
            if (event.getTransferMode() == TransferMode.MOVE) {
                source.setText("");
            }

            event.consume();
        }
    });

    root.getChildren().add(source);
    root.getChildren().add(target);
    stage.setScene(scene);
    stage.show();
}

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