source: trunk/src/org/expeditee/gio/javafx/JavaFXClipboardManager.java@ 1097

package org.expeditee.gio.javafx;

import java.util.Set;

import org.expeditee.core.BlockingRunnable;
import org.expeditee.gio.ClipboardManager;
import org.expeditee.gio.EcosystemManager;

import javafx.scene.input.Clipboard;
import javafx.scene.input.ClipboardContent;
import javafx.scene.input.DataFormat;

public class JavaFXClipboardManager extends ClipboardManager {
        
        /** Data format for identifying Expeditee-specific data on the clipboard. */
        private static final DataFormat expediteeDataFormat = new DataFormat("expediteeDataFormat");
        
        /** Singleton instance. */
        private static JavaFXClipboardManager _instance;
        
        /** Singleton instantiator. */
        public static JavaFXClipboardManager getInstance()
        {
                if (_instance == null) _instance = new JavaFXClipboardManager();
                
                return _instance;
        }
        
        private Clipboard _clipboard;
        
        private JavaFXClipboardManager()
        {
                // Get a reference to the system clipboard
                EcosystemManager.getMiscManager().runOnGIOThread(new BlockingRunnable() {
                        @Override
                        public void execute()
                        {
                                _clipboard = Clipboard.getSystemClipboard();
                        }
                });
        }

        @Override
        public void set(ClipboardData data)
        {
                // Leave the clipboard unchanged if data is null
                if (data == null) return;
                
                // Fill out the data for the clipboard
                ClipboardContent content = new ClipboardContent();
                if (data.data != null) content.put(expediteeDataFormat, data.data);
                if (data.imageRepresentation != null) {
                        javafx.scene.image.Image jfxImage = JavaFXMiscManager.getIfUsingJavaFXImageManager().getInternalImage(data.imageRepresentation);
                        content.putImage(jfxImage);
                }
                if (data.stringRepresentation != null) content.putString(data.stringRepresentation);
                
                // Set the clipboard contents
                _clipboard.setContent(content);
                
        }

        @Override
        public ClipboardData get()
        {
                // Create an empty data structure for returning the gathered data
                ClipboardData ret = new ClipboardData();
                
                // See which data formats are available for receipt
                Set<DataFormat> availableFormats = _clipboard.getContentTypes();
                
                // Fill out the return structure
                if (availableFormats.contains(expediteeDataFormat)) ret.data = _clipboard.getContent(expediteeDataFormat);
                if (availableFormats.contains(DataFormat.IMAGE)) {
                        javafx.scene.image.Image jfxImage = _clipboard.getImage();
                        ret.imageRepresentation = JavaFXMiscManager.getIfUsingJavaFXImageManager().createImage(jfxImage);
                }
                if (availableFormats.contains(DataFormat.PLAIN_TEXT)) ret.stringRepresentation = _clipboard.getString();
                
                // Return it
                return ret;
        }

}