Example usage for java.awt.datatransfer Transferable getTransferData

List of usage examples for java.awt.datatransfer Transferable getTransferData

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Introduction

In this page you can find the example usage for java.awt.datatransfer Transferable getTransferData.

Prototype

public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException;

Source Link

Document

Returns an object which represents the data to be transferred.

Usage

From source file:Samples.Advanced.GraphEditorDemo.java

/**
* Get the String residing on the clipboard.
*
* @return any text found on the Clipboard; if none found, return an
* empty String.//www  . ja va2  s .  c om
*/
public String getClipboardContents() {
    String result = "";
    Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
    //odd: the Object param of getContents is not currently used
    Transferable contents = clipboard.getContents(null);
    boolean hasTransferableText = (contents != null) && contents.isDataFlavorSupported(DataFlavor.stringFlavor);
    if (hasTransferableText) {
        try {
            result = (String) contents.getTransferData(DataFlavor.stringFlavor);
        } catch (UnsupportedFlavorException ex) {
            //highly unlikely since we are using a standard DataFlavor
            System.out.println(ex);
            ex.printStackTrace();
        } catch (IOException ex) {
            System.out.println(ex);
            ex.printStackTrace();
        }
    }
    return result;
}

From source file:org.apache.openmeetings.screenshare.job.RemoteJob.java

public String getClipboardText() {
    try {//from ww w .j a  v a 2  s  . co m
        // get the system clipboard
        Clipboard systemClipboard = getDefaultToolkit().getSystemClipboard();
        // get the contents on the clipboard in a transferable object
        Transferable clipboardContents = systemClipboard.getContents(null);
        // check if clipboard is empty
        if (clipboardContents == null) {
            // Clipboard is empty!!!
        } else if (clipboardContents.isDataFlavorSupported(stringFlavor)) {
            // see if DataFlavor of DataFlavor.stringFlavor is supported
            // return text content
            String returnText = (String) clipboardContents.getTransferData(stringFlavor);
            return returnText;
        }
    } catch (Exception e) {
        log.error("Unexpected exception while getting clipboard text", e);
    }
    return "";
}

From source file:DragListDemo.java

public boolean importData(JComponent c, Transferable t) {
    JList target = null;/*from  w w  w  . java 2  s .  c o  m*/
    ArrayList alist = null;
    if (!canImport(c, t.getTransferDataFlavors())) {
        return false;
    }
    try {
        target = (JList) c;
        if (hasLocalArrayListFlavor(t.getTransferDataFlavors())) {
            alist = (ArrayList) t.getTransferData(localArrayListFlavor);
        } else if (hasSerialArrayListFlavor(t.getTransferDataFlavors())) {
            alist = (ArrayList) t.getTransferData(serialArrayListFlavor);
        } else {
            return false;
        }
    } catch (UnsupportedFlavorException ufe) {
        System.out.println("importData: unsupported data flavor");
        return false;
    } catch (IOException ioe) {
        System.out.println("importData: I/O exception");
        return false;
    }

    //At this point we use the same code to retrieve the data
    //locally or serially.

    //We'll drop at the current selected index.
    int index = target.getSelectedIndex();

    //Prevent the user from dropping data back on itself.
    //For example, if the user is moving items #4,#5,#6 and #7 and
    //attempts to insert the items after item #5, this would
    //be problematic when removing the original items.
    //This is interpreted as dropping the same data on itself
    //and has no effect.
    if (source.equals(target)) {
        if (indices != null && index >= indices[0] - 1 && index <= indices[indices.length - 1]) {
            indices = null;
            return true;
        }
    }

    DefaultListModel listModel = (DefaultListModel) target.getModel();
    int max = listModel.getSize();
    if (index < 0) {
        index = max;
    } else {
        index++;
        if (index > max) {
            index = max;
        }
    }
    addIndex = index;
    addCount = alist.size();
    for (int i = 0; i < alist.size(); i++) {
        listModel.add(index++, alist.get(i));
    }
    return true;
}

From source file:org.orbisgis.sif.components.fstree.TreeNodeFolder.java

/**
 * Create a file from a Reader instance in this folder
 * @param tf Transferable instance//from  w  w w.  j  av  a 2 s  .c  om
 * @param flavor DataFlavor
 * @return If the file has been created
 */
private boolean importReader(Transferable tf, DataFlavor flavor) {
    try {
        // From this transferable, a file can be created
        Object transferData = tf.getTransferData(flavor);
        if (!(transferData instanceof Reader)) {
            return false;
        }
        BufferedReader br = new BufferedReader((Reader) transferData);
        File fileName;
        if (transferData instanceof TransferableFileContent) {
            // The filename is given by the drag source
            fileName = new File(getFilePath(), ((TransferableFileContent) transferData).getFileNameHint());
        } else {
            // The filename must be given by the user
            String contentFileName = JOptionPane.showInputDialog(UIFactory.getMainFrame(),
                    I18N.tr("Enter the folder name"), I18N.tr("Folder"));
            if (contentFileName != null) {
                fileName = new File(getFilePath(), contentFileName);
            } else {
                return false;
            }
        }
        // If the file exists found a new one
        fileName = getUniqueFileName(fileName);
        FileWriter writer = new FileWriter(fileName);
        String res = br.readLine();
        while (res != null) {
            writer.write(res + "\n");
            res = br.readLine();
        }
        writer.close();
        return true;
    } catch (UnsupportedFlavorException ex) {
        LOGGER.error(ex.getLocalizedMessage(), ex);
        return false;
    } catch (IOException ex) {
        LOGGER.error(ex.getLocalizedMessage(), ex);
        return false;
    }
}

From source file:net.sf.jabref.gui.UrlDragDrop.java

@Override
public void drop(DropTargetDropEvent dtde) {
    Transferable tsf = dtde.getTransferable();
    dtde.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
    //try with an URL
    DataFlavor dtURL = null;/*from w  ww  . j  av a2  s .c o  m*/
    try {
        dtURL = new DataFlavor("application/x-java-url; class=java.net.URL");
    } catch (ClassNotFoundException e) {
        LOGGER.warn("Could not find DropTargetDropEvent class.", e);
    }
    try {
        URL url = (URL) tsf.getTransferData(dtURL);
        JOptionChoice res = (JOptionChoice) JOptionPane.showInputDialog(editor, "",
                Localization.lang("Select action"), JOptionPane.QUESTION_MESSAGE, null,
                new JOptionChoice[] { new JOptionChoice(Localization.lang("Insert URL"), 0),
                        new JOptionChoice(Localization.lang("Download file"), 1) },
                new JOptionChoice(Localization.lang("Insert URL"), 0));
        if (res != null) {
            switch (res.getId()) {
            //insert URL
            case 0:
                feditor.setText(url.toString());
                editor.updateField(feditor);
                break;
            //download file
            case 1:
                try {
                    //auto filename:
                    File file = new File(new File(Globals.prefs.get("pdfDirectory")),
                            editor.getEntry().getCiteKey() + ".pdf");
                    frame.output(Localization.lang("Downloading..."));
                    MonitoredURLDownload.buildMonitoredDownload(editor, url).downloadToFile(file);
                    frame.output(Localization.lang("Download completed"));
                    feditor.setText(file.toURI().toURL().toString());
                    editor.updateField(feditor);

                } catch (IOException ioex) {
                    LOGGER.error("Error while downloading file.", ioex);
                    JOptionPane.showMessageDialog(editor, Localization.lang("File download"),
                            Localization.lang("Error while downloading file:" + ioex.getMessage()),
                            JOptionPane.ERROR_MESSAGE);
                }
                break;
            default:
                LOGGER.warn("Unknown selection (should not happen)");
                break;
            }
        }
        return;
    } catch (UnsupportedFlavorException nfe) {
        // not an URL then...
        LOGGER.warn("Could not parse URL.", nfe);
    } catch (IOException ioex) {
        LOGGER.warn("Could not perform drag and drop.", ioex);
    }

    try {
        //try with a File List
        @SuppressWarnings("unchecked")
        List<File> filelist = (List<File>) tsf.getTransferData(DataFlavor.javaFileListFlavor);
        if (filelist.size() > 1) {
            JOptionPane.showMessageDialog(editor, Localization.lang("Only one item is supported"),
                    Localization.lang("Drag and Drop Error"), JOptionPane.ERROR_MESSAGE);
            return;
        }
        File fl = filelist.get(0);
        feditor.setText(fl.toURI().toURL().toString());
        editor.updateField(feditor);

    } catch (UnsupportedFlavorException nfe) {
        JOptionPane.showMessageDialog(editor, Localization.lang("Operation not supported"),
                Localization.lang("Drag and Drop Error"), JOptionPane.ERROR_MESSAGE);
        LOGGER.warn("Could not perform drag and drop.", nfe);
    } catch (IOException ioex) {
        LOGGER.warn("Could not perform drag and drop.", ioex);
    }

}

From source file:com.mirth.connect.client.ui.TemplatePanel.java

public void drop(DropTargetDropEvent dtde) {
    try {/*from  w  w  w . j  a v a2  s  . c  o m*/
        Transferable tr = dtde.getTransferable();

        if (tr.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
            dtde.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
            File file = ((List<File>) tr.getTransferData(DataFlavor.javaFileListFlavor)).get(0);

            String dataType = PlatformUI.MIRTH_FRAME.displayNameToDataType.get(getDataType());
            DataTypeClientPlugin dataTypePlugin = LoadedExtensions.getInstance().getDataTypePlugins()
                    .get(dataType);
            if (dataTypePlugin.isBinary()) {
                byte[] content = FileUtils.readFileToByteArray(file);

                // The plugin should decide how to convert the byte array to string
                pasteBox.setText(dataTypePlugin.getTemplateString(content));
            } else {
                pasteBox.setText(FileUtils.readFileToString(file, UIConstants.CHARSET));
            }

            parent.modified = true;
        }
    } catch (Exception e) {
        dtde.rejectDrop();
    }
}

From source file:com.mirth.connect.client.ui.TemplatePanel.java

public void dragEnter(DropTargetDragEvent dtde) {
    try {/*from www .jav  a 2s  . com*/
        Transferable tr = dtde.getTransferable();

        if (tr.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
            dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE);
            List<File> fileList = (List<File>) tr.getTransferData(DataFlavor.javaFileListFlavor);
            Iterator<File> iterator = fileList.iterator();

            while (iterator.hasNext()) {
                iterator.next();
            }
        } else {
            dtde.rejectDrag();
        }
    } catch (Exception e) {
        dtde.rejectDrag();
    }
}

From source file:DropTest.java

public void drop(DropTargetDropEvent dtde) {
    try {//w  ww. ja v  a2  s .  c  o m
        // Ok, get the dropped object and try to figure out what it is
        Transferable tr = dtde.getTransferable();
        DataFlavor[] flavors = tr.getTransferDataFlavors();
        for (int i = 0; i < flavors.length; i++) {
            System.out.println("Possible flavor: " + flavors[i].getMimeType());
            // Check for file lists specifically
            if (flavors[i].isFlavorJavaFileListType()) {
                // Great! Accept copy drops...
                dtde.acceptDrop(DnDConstants.ACTION_COPY);
                ta.setText("Successful file list drop.\n\n");

                // And add the list of file names to our text area
                java.util.List list = (java.util.List) tr.getTransferData(flavors[i]);
                for (int j = 0; j < list.size(); j++) {
                    ta.append(list.get(j) + "\n");
                }

                // If we made it this far, everything worked.
                dtde.dropComplete(true);
                return;
            }
        }
        // Hmm, the user must not have dropped a file list
        System.out.println("Drop failed: " + dtde);
        dtde.rejectDrop();
    } catch (Exception e) {
        e.printStackTrace();
        dtde.rejectDrop();
    }
}

From source file:de.mycrobase.jcloudapp.Main.java

@SuppressWarnings("unchecked")
public boolean doUploadClipboard() {
    Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard();
    Transferable t = cb.getContents(null);

    if (t.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
        try {//from   w w w  . j  a  va  2 s .  c o  m
            List<File> data = (List<File>) t.getTransferData(DataFlavor.javaFileListFlavor);
            uploadFilesFromClipboard(data);
        } catch (UnsupportedFlavorException ex) {
        } catch (IOException ex) {
        }
        return true;
    } else if (t.isDataFlavorSupported(DataFlavor.imageFlavor)) {
        try {
            Image data = (Image) t.getTransferData(DataFlavor.imageFlavor);
            BufferedImage bi = (BufferedImage) data;
            uploadImageFromClipboard(bi);
        } catch (UnsupportedFlavorException ex) {
        } catch (IOException ex) {
        }
        return true;
    } else if (t.isDataFlavorSupported(DataFlavor.stringFlavor)) {
        try {
            String data = (String) t.getTransferData(DataFlavor.stringFlavor);
            if (isValidURL(data)) {
                createBookmarkFromClipboard(data);
            } else {
                uploadStringFromClipboard(data);
            }
        } catch (UnsupportedFlavorException ex) {
        } catch (IOException ex) {
        }
        return true;
    }
    return false;
}

From source file:com.projity.pm.graphic.spreadsheet.common.transfer.NodeListTransferHandler.java

public boolean importData(JComponent c, Transferable t) {
    SpreadSheet spreadSheet = getSpreadSheet(c);
    if (spreadSheet == null)
        return false;
    DataFlavor flavor = getFlavor(t.getTransferDataFlavors());
    if (flavor != null) {
        try {/*from w w w  . j a  v  a 2s.c om*/
            NodeModel model = ((CommonSpreadSheetModel) spreadSheet.getModel()).getCache().getModel();
            Object data = t.getTransferData(flavor);
            if (data == null)
                return false;
            List nodes = null;
            if (data instanceof ArrayList) {
                nodes = (List) data;

                for (Iterator i = nodes.iterator(); i.hasNext();) {
                    Node node = (Node) i.next();
                    transformSubprojectBranches(node, model.getDataFactory(), new Predicate() {
                        public boolean evaluate(Object arg0) {
                            Node parent = (Node) arg0;
                            //change implementation
                            NormalTask task = new NormalTask();
                            Task source = ((Task) parent.getImpl());
                            source.cloneTo(task);
                            //task.setDuration(source.getActualDuration());
                            parent.setImpl(task);
                            return true;
                        }
                    });
                }

                SpreadSheet.SpreadSheetAction a = getNodeListPasteAction().getSpreadSheetAction();
                a.execute(nodes);
            } else if (data instanceof String) {
                //                    ArrayList fields=spreadSheet.getSelectedFields();
                //                    if (fields==null){
                //                       fields=spreadSheet.getSelectableFields(); //The whole line is selected
                //                       nodes=NodeListTransferable.stringToNodeList((String)data,spreadSheet,fields,model.getDataFactory());
                //                    }else{
                //                       NodeListTransferable.pasteString((String)data,spreadSheet);
                //                    }
                NodeListTransferable.pasteString((String) data, spreadSheet);
            } else
                return false;

            return true;
        } catch (UnsupportedFlavorException ufe) {
        } catch (IOException ioe) {
        }
    }
    return false;
}