[JavaFX.2.0：Introduction.by.Example] 源代码.zip

package javafx2introbyexample.chapter3.recipe3_05; import java.io.File; import java.net.URI; import java.net.URISyntaxException; import javafx.animation.Interpolator; import javafx.animation.TranslateTransition; import javafx.animation.TranslateTransitionBuilder; import javafx.application.Application; import javafx.application.Platform; import javafx.beans.value.ChangeListener; import javafx.beans.value.ObservableValue; import javafx.event.EventHandler; import javafx.geometry.Point2D; import javafx.scene.Group; import javafx.scene.Node; import javafx.scene.Scene; import javafx.scene.control.Slider; import javafx.scene.control.SliderBuilder; import javafx.scene.effect.DropShadow; import javafx.scene.effect.DropShadowBuilder; 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.VBox; import javafx.scene.media.Media; import javafx.scene.media.MediaErrorEvent; import javafx.scene.media.MediaMarkerEvent; import javafx.scene.media.MediaPlayer; import javafx.scene.media.MediaPlayerBuilder; import javafx.scene.media.MediaView; import javafx.scene.media.MediaViewBuilder; import javafx.scene.paint.Color; import javafx.scene.shape.Arc; import javafx.scene.shape.ArcBuilder; import javafx.scene.shape.ArcType; import javafx.scene.shape.Circle; import javafx.scene.shape.CircleBuilder; import javafx.scene.shape.Line; import javafx.scene.shape.LineBuilder; import javafx.scene.shape.Rectangle; import javafx.scene.shape.RectangleBuilder; import javafx.scene.text.Font; import javafx.scene.text.FontWeight; import javafx.scene.text.Text; import javafx.scene.text.TextBuilder; import javafx.stage.Stage; import javafx.stage.StageStyle; import javafx.stage.WindowEvent; import javafx.util.Duration; /** * Synchronize Animation and Media * @author cdea */ public class SynchAnimationAndMedia extends Application { private MediaPlayer mediaPlayer; private MediaView mediaView; private Point2D anchorPt; private Point2D previousLocation; private Slider progressSlider; private ChangeListener<Duration> progressListener; private boolean paused = false; private Node pauseMessage; private Text closedCaption; /** * @param args the command line arguments */ public static void main(String[] args) { Application.launch(args); } @Override public void start(final Stage primaryStage) { primaryStage.setTitle("Chapter 3-5 Synchronize Animation and Media"); primaryStage.centerOnScreen(); primaryStage.initStyle(StageStyle.TRANSPARENT); final Group root = new Group(); final Scene scene = new Scene(root, 540, 300, Color.rgb(0, 0, 0, 0)); // rounded rectangle with slightly transparent Node applicationArea = createBackground(scene); root.getChildren().add(applicationArea); // allow the user to drag window on the desktop attachMouseEvents(scene, primaryStage); // allows the user to see the progress of the video playing progressSlider = createSlider(scene); root.getChildren().add(progressSlider); // Dragging over surface scene.setOnDragOver(new EventHandler<DragEvent>() { @Override public void handle(DragEvent event) { Dragboard db = event.getDragboard(); if (db.hasFiles() || db.hasUrl() || db.hasString()) { event.acceptTransferModes(TransferMode.COPY); if (mediaPlayer != null) { mediaPlayer.stop(); } } else { event.consume(); } } }); // update slider as video is progressing (later removal) progressListener = new ChangeListener<Duration>() { public void changed(ObservableValue<? extends Duration> observable, Duration oldValue, Duration newValue) { progressSlider.setValue(newValue.toSeconds()); } }; // toggle the message pause on the video pauseMessage = createPauseMessage("Pause"); pauseMessage.setOpacity(0); root.getChildren().add(pauseMessage); final VBox messageArea = createClosedCaptionArea(scene); root.getChildren().add(messageArea); final TranslateTransition animateTheEnd = createTheEnd(scene); root.getChildren().add(animateTheEnd.getNode()); // Dropping over surface scene.setOnDragDropped(new EventHandler<DragEvent>() { @Override public void handle(DragEvent event) { Dragboard db = event.getDragboard(); boolean success = false; URI resourceUrlOrFile = null; // dragged from web browser address line? if (db.hasContent(DataFormat.URL)) { try { resourceUrlOrFile = new URI(db.getUrl().toString()); } catch (URISyntaxException ex) { ex.printStackTrace(); } } else if (db.hasFiles()) { // dragged from the file system String filePath = null; for (File file:db.getFiles()) { filePath = file.getAbsolutePath(); } resourceUrlOrFile = new File(filePath).toURI(); success = true; } // load media Media media = new Media(resourceUrlOrFile.toString()); // stop previous media player and clean up if (mediaPlayer != null) { mediaPlayer.stop(); mediaPlayer.currentTimeProperty().removeListener(progressListener); mediaPlayer.setOnPaused(null); mediaPlayer.setOnPlaying(null); mediaPlayer.setOnReady(null); mediaPlayer.setOnEndOfMedia(null); } // create a new media player mediaPlayer = MediaPlayerBuilder.create() .media(media) .build(); // as the media is playing move the slider for progress mediaPlayer.currentTimeProperty().addListener(progressListener); // when paused event display pause message mediaPlayer.setOnPaused(new Runnable() { @Override public void run() { pauseMessage.setOpacity(.90); } }); // when playing make pause text invisible mediaPlayer.setOnPlaying(new Runnable() { @Override public void run() { animateTheEnd.stop(); animateTheEnd.getNode().setTranslateY(scene.getHeight() + 40); animateTheEnd.getNode().setOpacity(0); pauseMessage.setOpacity(0); } }); // play video when ready status mediaPlayer.setOnReady(new Runnable() { @Override public void run() { progressSlider.setValue(1); progressSlider.setMax(mediaPlayer.getMedia().getDuration().toMillis()/1000); mediaPlayer.play(); } }); // Lazy init media viewer if (mediaView == null) { mediaView = MediaViewBuilder.cr