package javafx.draganddrop; import java.io.File; import java.util.ArrayList; import java.util.EnumSet; import java.util.HashMap; import java.util.HashSet; import java.util.LinkedList; import java.util.List; import java.util.Map; import java.util.Set; import javafx.application.Application; import javafx.beans.value.ChangeListener; import javafx.beans.value.ObservableValue; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.factory.ControlsFactory; import javafx.factory.NodeFactory; import javafx.factory.Panes; import javafx.factory.Shapes; import javafx.geometry.Orientation; import javafx.scene.Node; import javafx.scene.Parent; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.control.ButtonBuilder; import javafx.scene.control.CheckBox; import javafx.scene.control.ChoiceBox; import javafx.scene.control.Label; import javafx.scene.control.Separator; import javafx.scene.control.TextField; import javafx.scene.image.Image; import javafx.scene.image.ImageViewBuilder; import javafx.scene.input.Clipboard; import javafx.scene.input.ClipboardContent; import javafx.scene.input.DataFormat; import javafx.scene.input.DragEvent; import javafx.scene.input.Dragboard; import javafx.scene.input.MouseEvent; import javafx.scene.input.TransferMode; import javafx.scene.layout.HBox; import javafx.scene.layout.Pane; import javafx.scene.layout.StackPane; import javafx.scene.layout.VBox; import javafx.scene.text.Text; import javafx.stage.Stage; import javafx.util.Pair; public class DragDropWithControls extends Application { final public static String PARAMETER_ONLY_SOURCE_STAGE = "onlySource"; final public static String PARAMETER_ONLY_TARGET_STAGE = "onlyTarget"; final static String TITLE_TARGET_STAGE = "Target"; final static String TITLE_SOURCE_STAGE = "Source"; final static String ID_NODE_CHOOSER = "nodeChooser"; final static String ID_DRAG_SOURCE = "from"; final static String ID_DRAG_TARGET = "to"; final static String ID_TO_CLIPBOARD_BUTTON = "toClipboardButton"; final static String ID_FROM_CLIPBOARD_BUTTON = "fromClipboardButton"; final static String ID_PLAIN_TEXT = "PLAIN_TEXT"; final static String ID_HTML = "HTML"; final static String ID_IMAGE = "IMAGE"; final static String ID_RTF = "RTF"; final static String ID_URL = "URL"; final static String ID_FILES = "Files"; final static String ID_CUSTOM_BYTES = "Custom (bytes)"; final static String ID_CUSTOM_STRING = "Custom (string)"; final static String ID_RECEIVED_IMAGE = "ReceivedImage"; final static String ID_SRC_IMAGE = "SrcImage"; final static DataFormat DF_CUSTOM_BYTES = new DataFormat("dndwithcontrols.custom.bytes"); final static DataFormat DF_CUSTOM_STRING = new DataFormat("dndwithcontrols.custom.string"); final static String CONTENT_PLAIN_TEXT = "Hello!!!"; final static String CONTENT_URL = "http://www.oracle.com"; final static Image CONTENT_IMAGE = new Image(DragDropWithControls.class.getResource("JavaFX.png").toExternalForm()); final static String CONTENT_HTML = "" + "" + "" + "Hello!" + ""; final static String CONTENT_RTF = "{\\rtf1\\ansi\\uc1{\\colortbl;\\red255\\green0\\blue0;}\\uc1\\b\\i FRED\\par rtf\\par text}"; final static String CONTENT_CUSTOM_STRING = "Hello Custom String!"; final static List CONTENT_FILES = new LinkedList(); final static byte[] CONTENT_CUSTOM_BYTES = new byte[]{1, 2, 3, 4}; final static Map receivedContent = new HashMap(); final static Map> dataFormatToCheckBoxID = new HashMap>(10); static { dataFormatToCheckBoxID.put(DataFormat.PLAIN_TEXT, new Pair(ID_PLAIN_TEXT, CONTENT_PLAIN_TEXT)); dataFormatToCheckBoxID.put(DataFormat.HTML, new Pair(ID_HTML, CONTENT_HTML)); dataFormatToCheckBoxID.put(DataFormat.RTF, new Pair(ID_RTF, CONTENT_RTF)); dataFormatToCheckBoxID.put(DataFormat.URL, new Pair(ID_URL, CONTENT_URL)); dataFormatToCheckBoxID.put(DataFormat.IMAGE, new Pair(ID_IMAGE, CONTENT_IMAGE)); dataFormatToCheckBoxID.put(DataFormat.FILES, new Pair(ID_FILES, CONTENT_FILES)); dataFormatToCheckBoxID.put(DF_CUSTOM_BYTES, new Pair(ID_CUSTOM_BYTES, CONTENT_CUSTOM_BYTES)); dataFormatToCheckBoxID.put(DF_CUSTOM_STRING, new Pair(ID_CUSTOM_STRING, CONTENT_CUSTOM_STRING)); } Pane sourceControlPane = new StackPane() { { setStyle("-fx-border-color:green;-fx-border-width: 2px;"); } }; Pane targetControlPane = new StackPane() { { setStyle("-fx-border-color:red;-fx-border-width: 2px;"); } }; Pane transferedContentPane = new VBox(); Set sourceModes = EnumSet.noneOf(TransferMode.class); Set targetModes = EnumSet.noneOf(TransferMode.class); Set sourceFormats = new HashSet(); Set targetFormats = new HashSet(); static List eventList = new ArrayList(); Text log = new Text(); List messages = new LinkedList(); @Override public void start(final Stage stage) { List parameters = getParameters().getRaw(); if (parameters.size() > 1 && parameters.get(1).equals(PARAMETER_ONLY_SOURCE_STAGE)) { prepareSourceStage(stage); } else if (parameters.size() > 1 && parameters.get(1).equals(PARAMETER_ONLY_TARGET_STAGE)) { prepareTargetStage(stage); } else { prepareSourceStage(stage); Stage stageTarget = new Stage(); prepareTargetStage(stageTarget); stageTarget.setX(stage.getX() + stage.getWidth() / 2); stage.setX(stage.getX() - stage.getWidth() / 2); } } private void prepareTargetStage(Stage stageTarget) { stageTarget.setTitle(TITLE_TARGET_STAGE); stageTarget.setScene(new Scene(createRightPane(), 700, 700)); stageTarget.show(); } private void prepareSourceStage(final Stage stage) { stage.setTitle(TITLE_SOURCE_STAGE); stage.setScene(new Scene(createLeftPane(), 600, 700)); stage.show(); } private Parent createLeftPane() { VBox box = new VBox(10); HBox hbox = new HBox(10); VBox lbox = new VBox(10); lbox.getChildren().add(sourceControlPane); lbox.getChildren().add(new Separator()); lbox.getChildren().add(new Text("Source control type:")); lbox.getChildren().add(createControlCombo(sourceControlPane, true)); lbox.getChildren().add(new Text("Source transfer modes:")); lbox.getChildren().add(createTMSelect(sourceModes)); VBox rbox = new VBox(10); rbox.getChildren().add(new Text("Data formats:")); rbox.getChildren().add(createFormatSelect(sourceFormats)); rbox.getChildren().add(ButtonBuilder.create().text("Put to clipboard").id(ID_TO_CLIPBOARD_BUTTON).onAction(new EventHandler() { public void handle(ActionEvent t) { Clipboard.getSystemClipboard().setContent(prepareClipboardContent()); } }).build()); hbox.getChildren().add(lbox); hbox.getChildren().add(new Separator(Orientation.VERTICAL)); hbox.getChildren().add(rbox); final Text fileHdr = new Text("Files to drag (0):"); final TextField tb = new TextField("Put full path here"); final Button add = new Button("Add"); add.setOnAction(new EventHandler() { @Override public void handle(ActionEvent event) { File f = new File(tb.getText()); if (f.exists()) { CONTENT_FILES.add(f); tb.setText(""); fileHdr.setText("Files to drag (" + CONTENT_FILES.size() + ")"); log("Added file " + f.getPath()); } else { log("File doesn't exist: " + f.getPath()); } } }); final Button clear = new Button("Clear"); clear.setOnAction(new EventHandler() { @Override public void handle(ActionEvent event) { CONTENT_FILES.clear(); fileHdr.setText("Files to drag (0)"); log("File list cleared"); } }); HBox btns = new HBox(); btns.getChildren().add(add); btns.getChildren().add(clear); box.getChildren().add(hbox); box.getChildren().add(new Separator()); box.getChildren().add(fileHdr); box.getChildren().add(tb); box.getChildren().add(btns); box.getChildren().add(new Text("Image: ")); box.getChildren().add(ImageViewBuilder.create().image(CONTENT_IMAGE).id(ID_SRC_IMAGE).build()); box.getChildren().add(log); if (getParameters().getRaw().size() > 0) { box.setStyle("-fx-background-color: " + getParameters().getRaw().get(0) + ";"); } return box; } private Parent createRightPane() { HBox hbox = new HBox(10); VBox lbox = new VBox(10); lbox.getChildren().add(targetControlPane); lbox.getChildren().add(new Separator()); lbox.getChildren().add(new Text("Target control type:")); lbox.getChildren().add(createControlCombo(targetControlPane, false)); lbox.getChildren().add(new Text("Target transfer modes:")); lbox.getChildren().add(createTMSelect(targetModes)); VBox rbox = new VBox(10); rbox.getChildren().add(new Text("Data formats:")); rbox.getChildren().add(createFormatSelect(targetFormats)); rbox.getChildren().add(ButtonBuilder.create().text("paste from clipboard").id(ID_FROM_CLIPBOARD_BUTTON).onAction(new EventHandler() { public void handle(ActionEvent t) { getDataFromClipboard(Clipboard.getSystemClipboard()); } }).build()); VBox content = new VBox(10); content.getChildren().add(new Text("Transfered content:")); content.getChildren().add(transferedContentPane); hbox.getChildren().add(lbox); hbox.getChildren().add(new Separator(Orientation.VERTICAL)); hbox.getChildren().add(rbox); hbox.getChildren().add(new Separator(Orientation.VERTICAL)); hbox.getChildren().add(content); if (getParameters().getRaw().size() > 0) { hbox.setStyle("-fx-background-color: " + getParameters().getRaw().get(0) + ";"); } return hbox; } private Node createControlCombo(final Pane sourceControlPane, final boolean source) { ChoiceBox cb = new ChoiceBox(); cb.setId(ID_NODE_CHOOSER); cb.getItems().addAll(ControlsFactory.values()); cb.getItems().addAll(Shapes.values()); cb.getItems().addAll(Panes.values()); cb.getSelectionModel().selectedItemProperty().addListener(new ChangeListener() { @Override public void changed(ObservableValue ov, NodeFactory t, NodeFactory t1) { Node ctrl = null; ctrl = t1.createNode(); if (source) { ctrl.setId(ID_DRAG_SOURCE); } else { ctrl.setId(ID_DRAG_TARGET); } eventList.clear(); sourceControlPane.getChildren().clear(); sourceControlPane.getChildren().add(ctrl); final Node control = ctrl; if (source) { control.setOnDragDetected(new EventHandler() { @Override public void handle(MouseEvent event) { eventList.add(DragEvents.DRAG_DETECTED); Dragboard db = control.startDragAndDrop( sourceModes.toArray(new TransferMode[sourceModes.size()])); if (db == null) { log("Cannot start drag and drop."); return; } db.setContent(prepareClipboardContent()); event.consume(); } }); control.setOnDragDone(new EventHandler() { @Override public void handle(DragEvent event) { eventList.add(DragEvents.DRAG_DONE); log("Transfer done: " + event.getTransferMode()); log(""); } }); } else { control.setOnDragEntered(new EventHandler() { public void handle(DragEvent t) { eventList.add(DragEvents.DRAG_ENTER); } }); control.setOnDragOver(new EventHandler() { @Override public void handle(DragEvent event) { eventList.add(DragEvents.DRAG_OVER); Dragboard db = event.getDragboard(); for (DataFormat df : targetFormats) { if (db.hasContent(df)) { event.acceptTransferModes( targetModes.toArray(new TransferMode[targetModes.size()])); return; } } } }); control.setOnDragDropped(new EventHandler() { @Override public void handle(DragEvent event) { eventList.add(DragEvents.DRAG_DROPPED); Dragboard db = event.getDragboard(); boolean gotData = getDataFromClipboard(db); event.setDropCompleted(gotData); } }); } } }); cb.getSelectionModel().select(0); return cb; } private ClipboardContent prepareClipboardContent() { ClipboardContent content = new ClipboardContent(); if (sourceFormats.contains(DataFormat.PLAIN_TEXT)) { log("Source is putting string on dragboard"); content.putString(CONTENT_PLAIN_TEXT); } if (sourceFormats.contains(DataFormat.URL)) { log("Source is putting URL on dragboard"); content.putUrl(CONTENT_URL); } if (sourceFormats.contains(DataFormat.IMAGE)) { log("Source is putting image on dragboard"); content.putImage(CONTENT_IMAGE); } if (sourceFormats.contains(DataFormat.HTML)) { log("Source is putting HTML on dragboard"); content.putHtml(CONTENT_HTML); } if (sourceFormats.contains(DataFormat.RTF)) { log("Source is putting RTF on dragboard"); content.putRtf(CONTENT_RTF); } if (sourceFormats.contains(DF_CUSTOM_BYTES)) { log("Source is putting custom four bytes on dragboard"); content.put(DF_CUSTOM_BYTES, CONTENT_CUSTOM_BYTES); } if (sourceFormats.contains(DF_CUSTOM_STRING)) { log("Source is putting custom four bytes on dragboard"); content.put(DF_CUSTOM_STRING, CONTENT_CUSTOM_STRING); } if (sourceFormats.contains(DataFormat.FILES)) { log("Source is putting two files on dragboard"); content.putFiles(CONTENT_FILES); } return content; } private boolean getDataFromClipboard(Clipboard cb) { boolean gotData = false; receivedContent.clear(); transferedContentPane.getChildren().clear(); if (targetFormats.contains(DataFormat.PLAIN_TEXT) && cb.hasString()) { receivedContent.put(DataFormat.PLAIN_TEXT, cb.getString()); transferedContentPane.getChildren().addAll(new WrappedLabel("String: " + cb.getString())); log("Dropped string: " + cb.getString()); gotData = true; } if (targetFormats.contains(DataFormat.HTML) && cb.hasHtml()) { receivedContent.put(DataFormat.HTML, cb.getHtml()); transferedContentPane.getChildren().addAll(new WrappedLabel("Html: " + cb.getHtml())); log("Dropped HTML: " + cb.getHtml()); gotData = true; } if (targetFormats.contains(DataFormat.RTF) && cb.hasRtf()) { receivedContent.put(DataFormat.RTF, cb.getRtf()); transferedContentPane.getChildren().addAll(new WrappedLabel("Rtf: " + cb.getRtf())); log("Dropped RTF: " + cb.getRtf()); gotData = true; } if (targetFormats.contains(DataFormat.URL) && cb.hasUrl()) { receivedContent.put(DataFormat.URL, cb.getUrl()); transferedContentPane.getChildren().addAll(new WrappedLabel("Url: " + cb.getUrl())); log("Dropped URL: " + cb.getUrl()); gotData = true; } if (targetFormats.contains(DataFormat.IMAGE) && cb.hasImage()) { receivedContent.put(DataFormat.IMAGE, cb.getImage()); transferedContentPane.getChildren().addAll(ImageViewBuilder.create().image(cb.getImage()).id(ID_RECEIVED_IMAGE).build()); log("Dropped image: " + cb.getImage()); gotData = true; } if (targetFormats.contains(DataFormat.FILES) && cb.hasFiles()) { log("Dropped files:"); receivedContent.put(DataFormat.FILES, cb.getFiles()); transferedContentPane.getChildren().addAll(new WrappedLabel("Files: ")); for (File f : cb.getFiles()) { transferedContentPane.getChildren().addAll(new Label("File: " + f) { { setWrapText(true); } }); log(" " + f.getPath()); } transferedContentPane.getChildren().addAll(new Separator()); gotData = true; } if (targetFormats.contains(DF_CUSTOM_BYTES) && cb.hasContent(DF_CUSTOM_BYTES)) { byte[] b = (byte[]) cb.getContent(DF_CUSTOM_BYTES); receivedContent.put(DF_CUSTOM_BYTES, b); transferedContentPane.getChildren().addAll(new WrappedLabel("bytes: " + b[0] + ", " + b[1] + ", " + b[2] + ", " + b[3])); log("Dropped custom bytes: " + b[0] + ", " + b[1] + ", " + b[2] + ", " + b[3]); gotData = true; } if (targetFormats.contains(DF_CUSTOM_STRING) && cb.hasContent(DF_CUSTOM_STRING)) { receivedContent.put(DF_CUSTOM_STRING, cb.getContent(DF_CUSTOM_STRING)); String s = (String) cb.getContent(DF_CUSTOM_STRING); transferedContentPane.getChildren().addAll(new WrappedLabel("customString: " + s)); log("Dropped custom string: " + s); gotData = true; } return gotData; } private Node createTMSelect(final Set tms) { VBox box = new VBox(); for (final TransferMode tm : TransferMode.values()) { CheckBox cb = new CheckBox(tm.toString()); cb.selectedProperty().addListener(new ChangeListener() { @Override public void changed(ObservableValue ov, Boolean t, Boolean t1) { if (t1) { tms.add(tm); } else { tms.remove(tm); } } }); if (tm == TransferMode.COPY) { cb.selectedProperty().set(true); } box.getChildren().add(cb); } return box; } private Node createFormatSelect(final Set dataFormats) { VBox box = new VBox(); for (final Map.Entry> df : dataFormatToCheckBoxID.entrySet()) { CheckBox cb = new CheckBox(df.getValue().getKey()); cb.selectedProperty().addListener(new ChangeListener() { @Override public void changed(ObservableValue ov, Boolean t, Boolean t1) { if (t1) { dataFormats.add(df.getKey()); } else { dataFormats.remove(df.getKey()); } } }); box.getChildren().add(cb); } ((CheckBox) box.getChildren().get(0)).selectedProperty().set(true); return box; } private void log(String text) { System.out.println(text); messages.add(text); if (messages.size() > 15) { messages.remove(0); } StringBuilder sb = new StringBuilder(); for (String msg : messages) { sb.append(msg).append("\n"); } log.setText(sb.toString()); } public static void main(String[] args) { launch(null); //Utils.launch(DragDropWithControls.class, args); } private static class WrappedLabel extends VBox { public WrappedLabel(String string) { getChildren().add(new Label(string) { { setWrapText(true); } }); getChildren().add(new Separator()); } } }