annotationcontrols.java

world wind java sdk 源码

        public void detach()
        {
            super.detach();

            // Stop any threads or timers the controller may be actively running.
            SlideShowAnnotationController controller = (SlideShowAnnotationController) this.getController();
            if (controller != null)
            {
                this.stopController(controller);
            }
        }

        @SuppressWarnings({"StringEquality"})
        protected void stopController(SlideShowAnnotationController controller)
        {
            String state = controller.getState();
            if (state == AVKey.PLAY)
            {
                controller.stopSlideShow();
            }

            controller.stopRetrievalTasks();
        }
    }

    public static IconLayer createIconLayer()
    {
        IconLayer layer = new IconLayer();
        layer.setPickEnabled(true);

        WWIcon icon = createIcon(AUDIO,
            Position.fromDegrees(37.304051, -121.872734, 0),
            "Welcome to Java Sound", URL_AUDIO_WELCOME);
        layer.addIcon(icon);

        icon = createIcon(AUDIO,
            Position.fromDegrees(28.533513, -81.375789, 0),
            "Music from the Java Sound demo", URL_AUDIO_MUSIC);
        layer.addIcon(icon);

        icon = createIcon(AUDIO,
            Position.fromDegrees(-10, -76, 0),
            "Peru<br/><i><font color=\"#808080\">\"Take a step back in time...\"</font></i>", URL_AUDIO_PERU);
        layer.addIcon(icon);

        Iterable sources = java.util.Arrays.asList(URL_IMAGE_01, URL_IMAGE_02, URL_IMAGE_03, URL_IMAGE_04);
        icon = createIcon(IMAGES,
            Position.fromDegrees(45.304051, -121.872734, 0),
            "", sources);
        layer.addIcon(icon);

        sources = java.util.Arrays.asList(URL_IMAGE_05);
        icon = createIcon(IMAGES,
            Position.fromDegrees(-12, -70, 0),
            "", sources);
        layer.addIcon(icon);

        return layer;
    }

    public static WWIcon createIcon(Object type, Position position, String title, Object data)
    {
        if (position == null)
        {
            String message = Logging.getMessage("nullValue.PositionIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        if (title == null)
        {
            String message = Logging.getMessage("nullValue.StringIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        if (data == null)
        {
            String message = Logging.getMessage("nullValue.DataSetIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        String iconPath = (type == AUDIO) ? ICON_AUDIO : ICON_IMAGES;

        UserFacingIcon icon = new UserFacingIcon(iconPath, position);
        icon.setSize(new java.awt.Dimension(64, 64));
        icon.setValue(AVKey.DATA_TYPE, type);
        icon.setValue(AVKey.TITLE, title);
        icon.setValue(AVKey.URL, data);
        return icon;
    }

    @SuppressWarnings({"StringEquality"})
    public static ContentAnnotation createContentAnnotation(AppFrame appFrame, Position position, AVList params)
    {
        if (appFrame == null)
        {
            String message = "AppFrameIsNull";
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        if (position == null)
        {
            String message = Logging.getMessage("nullValue.PositionIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        if (params == null)
        {
            String message = Logging.getMessage("nullValue.ParamsIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        String type = params.getStringValue(AVKey.DATA_TYPE);
        String title = params.getStringValue(AVKey.TITLE);
        Object source = params.getValue(AVKey.URL);

        if (type == AUDIO)
        {
            return createAudioAnnotation(appFrame, position, title, source);
        }
        else if (type == IMAGES)
        {
            return createImageAnnotation(appFrame, position, title, (Iterable) source);
        }

        return null;
    }

    public static ContentAnnotation createAudioAnnotation(AppFrame appFrame, Position position, String title,
        Object source)
    {
        if (appFrame == null)
        {
            String message = "AppFrameIsNull";
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        if (position == null)
        {
            String message = Logging.getMessage("nullValue.PositionIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        if (title == null)
        {
            String message = Logging.getMessage("nullValue.StringIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        if (source == null)
        {
            String message = Logging.getMessage("nullValue.SourceIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        AudioPlayerAnnotation annotation = new AudioPlayerAnnotation(position);
        annotation.setAlwaysOnTop(true);
        annotation.getTitleLabel().setText(title);

        AudioPlayerAnnotationController controller = new AudioPlayerAnnotationController(appFrame.getWwd(), annotation);

        return new AudioContentAnnotation(appFrame, annotation, controller, source);
    }

    @SuppressWarnings({"TypeParameterExplicitlyExtendsObject"})
    public static ContentAnnotation createImageAnnotation(AppFrame appFrame, Position position, String title,
        Iterable sources)
    {
        if (appFrame == null)
        {
            String message = "AppFrameIsNull";
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        if (position == null)
        {
            String message = Logging.getMessage("nullValue.PositionIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        if (title == null)
        {
            String message = Logging.getMessage("nullValue.StringIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        if (sources == null)
        {
            String message = Logging.getMessage("nullValue.IterableIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        SlideShowAnnotation annotation = new SlideShowAnnotation(position);
        annotation.setAlwaysOnTop(true);
        annotation.getTitleLabel().setText(title);

        java.util.List<Object> imageSources = new java.util.ArrayList<Object>();
        for (Object source : sources)
        {
            java.net.URL url = urlFromPath(source.toString());
            if (url != null)
            {
                imageSources.add(url);
            }
            else
            {
                imageSources.add(source);
            }
        }

        SlideShowAnnotationController controller = new SlideShowAnnotationController(appFrame.getWwd(), annotation, 
            imageSources);

        return new ImageContentAnnotation(appFrame, annotation, controller);
    }

    public static Clip openAudioURL(java.net.URL url) throws Exception
    {
        if (url == null)
        {
            String message = Logging.getMessage("nullValue.URLIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        Clip clip = null;

        AudioInputStream ais = null;
        try
        {
            ais = AudioSystem.getAudioInputStream(url);
            AudioFormat format = ais.getFormat();

            /**
             * Code taken from Java Sound demo at
             * http://java.sun.com/products/java-media/sound/samples/JavaSoundDemo
             *
             * we can't yet open the device for ALAW/ULAW playback,
             * convert ALAW/ULAW to PCM
             */
            if ((format.getEncoding() == AudioFormat.Encoding.ULAW) ||
                (format.getEncoding() == AudioFormat.Encoding.ALAW))
            {
                AudioFormat tmp = new AudioFormat(
                    AudioFormat.Encoding.PCM_SIGNED,
                    format.getSampleRate(),
                    format.getSampleSizeInBits() * 2,
                    format.getChannels(),
                    format.getFrameSize() * 2,
                    format.getFrameRate(),
                    true);
                ais = AudioSystem.getAudioInputStream(tmp, ais);
                format = tmp;
            }

            DataLine.Info info = new DataLine.Info(
                Clip.class, 
                ais.getFormat(),
                ((int) ais.getFrameLength() * format.getFrameSize()));

            clip = (Clip) AudioSystem.getLine(info);
            clip.open(ais);
        }
        finally
        {
            if (ais != null)
            {
                ais.close();
            }
        }

        return clip;
    }

    public static java.net.URL urlFromPath(String urlString)
    {
        try
        {
            return new java.net.URL(urlString);
        }
        catch (Exception e)
        {
            return null;
        }
    }

    public static String createErrorTitle(String path)
    {
        if (path == null)
        {
            String message = Logging.getMessage("nullValue.PathIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        StringBuilder sb = new StringBuilder();
        sb.append("Cannot open the resource at <i>").append(path).append("</i>");
        return sb.toString();
    }

    public static String createTitle(Iterable sources)
    {
        if (sources == null)
        {
            String message = Logging.getMessage("nullValue.IterableIsNull");
            Logging.logger().severe(message);
            throw new IllegalArgumentException(message);
        }

        StringBuilder sb = new StringBuilder();

        java.util.Iterator iter = sources.iterator();
        while (iter.hasNext())
        {
            Object o = iter.next();

            sb.append(o);

            if (iter.hasNext())
            {
                sb.append(", ");
            }
        }

        return sb.toString();
    }

    public static void main(String[] args)
    {
        ApplicationTemplate.start("World Wind Annotation Controls", AppFrame.class);
    }
}