Examples with DataFlavor java.awt.datatransfer.DataFlavor used on opensource projects

Example 21 with DataFlavor

use of java.awt.datatransfer.DataFlavor in project jdk8u_jdk by JetBrains.

the class SunDragSourceContextPeer method startDrag.

/**
     * initiate a DnD operation ...
     */
public void startDrag(DragSourceContext dsc, Cursor c, Image di, Point p) throws InvalidDnDOperationException {
    /* Fix for 4354044: don't initiate a drag if event sequence provided by
         * DragGestureRecognizer is empty */
    if (getTrigger().getTriggerEvent() == null) {
        throw new InvalidDnDOperationException("DragGestureEvent has a null trigger");
    }
    dragSourceContext = dsc;
    cursor = c;
    sourceActions = getDragSourceContext().getSourceActions();
    dragImage = di;
    dragImageOffset = p;
    Transferable transferable = getDragSourceContext().getTransferable();
    SortedMap<Long, DataFlavor> formatMap = DataTransferer.getInstance().getFormatsForTransferable(transferable, DataTransferer.adaptFlavorMap(getTrigger().getDragSource().getFlavorMap()));
    long[] formats = DataTransferer.getInstance().keysToLongArray(formatMap);
    startDrag(transferable, formats, formatMap);
    /*
         * Fix for 4613903.
         * Filter out all mouse events that are currently on the event queue.
         */
    discardingMouseEvents = true;
    EventQueue.invokeLater(new Runnable() {

        public void run() {
            discardingMouseEvents = false;
        }
    });
}

Example 22 with DataFlavor

use of java.awt.datatransfer.DataFlavor in project jdk8u_jdk by JetBrains.

the class XDataTransferer method getPlatformMappingsForNative.

/*
     * The XDnD protocol prescribes that the Atoms used as targets for data
     * transfer should have string names that represent the corresponding MIME
     * types.
     * To meet this requirement we check if the passed native format constitutes
     * a valid MIME and return a list of flavors to which the data in this MIME
     * type can be translated by the Data Transfer subsystem.
     */
public LinkedHashSet<DataFlavor> getPlatformMappingsForNative(String nat) {
    LinkedHashSet<DataFlavor> flavors = new LinkedHashSet<>();
    if (nat == null) {
        return flavors;
    }
    DataFlavor df = null;
    try {
        df = new DataFlavor(nat);
    } catch (Exception e) {
        // The string doesn't constitute a valid MIME type.
        return flavors;
    }
    DataFlavor value = df;
    final String primaryType = df.getPrimaryType();
    final String baseType = primaryType + "/" + df.getSubType();
    // See SystemFlavorMap.getFlavorsForNative() for details.
    if ("image".equals(primaryType)) {
        Iterator readers = ImageIO.getImageReadersByMIMEType(baseType);
        if (readers.hasNext()) {
            flavors.add(DataFlavor.imageFlavor);
        }
    }
    flavors.add(value);
    return flavors;
}

Example 23 with DataFlavor

use of java.awt.datatransfer.DataFlavor in project jdk8u_jdk by JetBrains.

the class WClipboard method setContentsNative.

@Override
protected void setContentsNative(Transferable contents) {
    // Don't use delayed Clipboard rendering for the Transferable's data.
    // If we did that, we would call Transferable.getTransferData on
    // the Toolkit thread, which is a security hole.
    //
    // Get all of the target formats into which the Transferable can be
    // translated. Then, for each format, translate the data and post
    // it to the Clipboard.
    Map<Long, DataFlavor> formatMap = WDataTransferer.getInstance().getFormatsForTransferable(contents, getDefaultFlavorTable());
    openClipboard(this);
    try {
        for (Long format : formatMap.keySet()) {
            DataFlavor flavor = formatMap.get(format);
            try {
                byte[] bytes = WDataTransferer.getInstance().translateTransferable(contents, flavor, format);
                publishClipboardData(format, bytes);
            } catch (IOException e) {
                // May remove this if-check when 5078787 is fixed.
                if (!(flavor.isMimeTypeEqual(DataFlavor.javaJVMLocalObjectMimeType) && e instanceof java.io.NotSerializableException)) {
                    e.printStackTrace();
                }
            }
        }
    } finally {
        closeClipboard();
    }
}

Example 24 with DataFlavor

use of java.awt.datatransfer.DataFlavor in project jabref by JabRef.

the class FileListEditorTransferHandler method importData.

@Override
public boolean importData(JComponent comp, Transferable t) {
    try {
        List<Path> files = new ArrayList<>();
        // This flavor is used for dragged file links in Windows:
        if (t.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
            @SuppressWarnings("unchecked") List<Path> transferedFiles = (List<Path>) t.getTransferData(DataFlavor.javaFileListFlavor);
            files.addAll(transferedFiles);
        }
        if (t.isDataFlavorSupported(urlFlavor)) {
            URL dropLink = (URL) t.getTransferData(urlFlavor);
            LOGGER.debug("URL: " + dropLink);
        }
        // under Gnome. The data consists of the file paths, one file per line:
        if (t.isDataFlavorSupported(stringFlavor)) {
            String dropStr = (String) t.getTransferData(stringFlavor);
            files.addAll(EntryTableTransferHandler.getFilesFromDraggedFilesString(dropStr));
        }
        SwingUtilities.invokeLater(() -> {
            for (Path file : files) {
                // Find the file's extension, if any:
                String name = file.toAbsolutePath().toString();
                FileHelper.getFileExtension(name).ifPresent(extension -> ExternalFileTypes.getInstance().getExternalFileTypeByExt(extension).ifPresent(fileType -> {
                    if (droppedFileHandler == null) {
                        droppedFileHandler = new DroppedFileHandler(frame, frame.getCurrentBasePanel());
                    }
                    droppedFileHandler.handleDroppedfile(name, fileType, entryContainer.getEntry());
                }));
            }
        });
        if (!files.isEmpty()) {
            // Found some files, return
            return true;
        }
    } catch (IOException ioe) {
        LOGGER.warn("Failed to read dropped data. ", ioe);
    } catch (UnsupportedFlavorException | ClassCastException ufe) {
        LOGGER.warn("Drop type error. ", ufe);
    }
    // all supported flavors failed
    StringBuilder logMessage = new StringBuilder("Cannot transfer input:");
    DataFlavor[] inflavs = t.getTransferDataFlavors();
    for (DataFlavor inflav : inflavs) {
        logMessage.append(' ').append(inflav);
    }
    LOGGER.warn(logMessage.toString());
    return false;
}

Example 25 with DataFlavor

use of java.awt.datatransfer.DataFlavor in project beast-mcmc by beast-dev.

the class FileDrop method isDragOk.

// end dropListener
/** Determine if the dragged data is a file list. */
private boolean isDragOk(final java.io.PrintStream out, final java.awt.dnd.DropTargetDragEvent evt) {
    boolean ok = false;
    // Get data flavors being dragged
    java.awt.datatransfer.DataFlavor[] flavors = evt.getCurrentDataFlavors();
    // See if any of the flavors are a file list
    int i = 0;
    while (!ok && i < flavors.length) {
        // BEGIN 2007-09-12 Nathan Blomquist -- Linux (KDE/Gnome) support added.
        // Is the flavor a file list?
        final DataFlavor curFlavor = flavors[i];
        if (curFlavor.equals(java.awt.datatransfer.DataFlavor.javaFileListFlavor) || curFlavor.isRepresentationClassReader()) {
            ok = true;
        }
        // END 2007-09-12 Nathan Blomquist -- Linux (KDE/Gnome) support added.
        i++;
    }
    // If logging is enabled, show data flavors
    if (out != null) {
        if (flavors.length == 0)
            log(out, "FileDrop: no data flavors.");
        for (i = 0; i < flavors.length; i++) log(out, flavors[i].toString());
    }
    return ok;
}