/**
* This method causes a transfer to a component from a clipboard or a DND drop operation. The
* Transferable represents the data to be imported into the component.
*
* @param comp The component to receive the transfer. This argument is provided to enable sharing
* of TransferHandlers by multiple components.
* @param t The data to import
* @return <code>true</code> iff the data was inserted into the component.
*/
public boolean importData(JComponent comp, Transferable t) {
JTextComponent c = (JTextComponent) comp;
withinSameComponent = c == exportComp;
// if we are importing to the same component that we exported from
// then don't actually do anything if the drop location is inside
// the drag location and set shouldRemove to false so that exportDone
// knows not to remove any data
if (withinSameComponent && c.getCaretPosition() >= p0 && c.getCaretPosition() <= p1) {
shouldRemove = false;
return true;
}
boolean imported = false;
DataFlavor importFlavor = getImportFlavor(t.getTransferDataFlavors(), c);
if (importFlavor != null) {
try {
InputContext ic = c.getInputContext();
if (ic != null) ic.endComposition();
Reader r = importFlavor.getReaderForText(t);
handleReaderImport(r, c);
imported = true;
} catch (UnsupportedFlavorException ufe) {
ufe.printStackTrace();
} catch (BadLocationException ble) {
ble.printStackTrace();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
return imported;
}
public boolean isDataFlavorSupported(DataFlavor flavor) {
if (!flavor.equals(data_flavor[0]) && !flavor.equals(extra_flavor)) {
return false;
}
return true;
}
@Override
public void dragOver(DropTargetDragEvent arg) {
try {
currentFlavor = null;
for (DataFlavor resultFlavor : arg.getCurrentDataFlavors()) {
for (DataFlavor supportedflavour : supportedDataFlavors) {
if (resultFlavor.equals(supportedflavour)) {
currentFlavor = supportedflavour;
}
}
}
Point p = arg.getLocation();
TreePath path = tree.getPathForLocation(p.x, p.y);
boolean isnull = path == null ? true : false;
if (!isnull && currentFlavor != null) {
arg.acceptDrag(1);
} else {
arg.rejectDrag();
}
} catch (Exception e) {
arg.rejectDrag();
}
}
/**
* Returns an object which represents the data to be transferred. The class of the object returned
* is defined by the representation class of the flavor.
*
* @param flavor the requested flavor for the data
* @exception IOException if the data is no longer available in the requested flavor.
* @exception UnsupportedFlavorException if the requested data flavor is not supported.
* @see DataFlavor#getRepresentationClass
*/
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
Object result = null;
if (flavor.equals(flavors[0])) {
StringBuffer buffer = new StringBuffer();
if (this.types != null) {
for (int i = 0; i < this.types.size(); i++) {
SibType current = this.types.get(i);
if (i > 0) {
buffer.append(", ");
}
if (current == null) {
buffer.append("null");
} else {
buffer.append(current.toString());
}
}
}
result = buffer.toString();
} else if (flavor.equals(flavors[1])) {
result = this.types;
}
if (result == null) {
throw new UnsupportedFlavorException(flavor);
}
return result;
}
@Override
public boolean isDataFlavorSupported(DataFlavor flavor) {
for (DataFlavor flv : flavors) {
if (flv.equals(flavor)) return true;
}
return false;
}
/* 判断该Transfer是否支持flavor数据类型的传送 */
public boolean isDataFlavorSupported(DataFlavor flavor) {
boolean b = false;
b |= flavor.equals(flavors[FILE]);
b |= flavor.equals(flavors[STRING]);
b |= flavor.equals(flavors[PLAIN]);
return (b);
}
@Nullable
public Object getTransferData(DataFlavor flavor)
throws UnsupportedFlavorException, IOException {
if (ourDataFlavor.equals(flavor)) {
return myDataProxy;
} else if (DataFlavor.stringFlavor.equals(flavor)) {
return getDataAsText();
} else if (DataFlavor.javaFileListFlavor.equals(flavor)) {
return getDataAsFileList();
} else if (flavor.equals(LinuxDragAndDropSupport.uriListFlavor)) {
final List<File> files = getDataAsFileList();
if (files != null) {
return LinuxDragAndDropSupport.toUriList(files);
}
} else if (flavor.equals(LinuxDragAndDropSupport.gnomeFileListFlavor)) {
final List<File> files = getDataAsFileList();
if (files != null) {
final String string =
(myDataProxy.isCopied() ? "copy\n" : "cut\n")
+ LinuxDragAndDropSupport.toUriList(files);
return new ByteArrayInputStream(string.getBytes(CharsetToolkit.UTF8_CHARSET));
}
} else if (flavor.equals(LinuxDragAndDropSupport.kdeCutMarkFlavor)
&& !myDataProxy.isCopied()) {
return new ByteArrayInputStream("1".getBytes());
}
return null;
}
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException {
if (flavor.equals(jexDataFlavor)) {
Logs.log("Transfering typename", 1, this);
return tn;
} else if (flavor.equals(DataFlavor.stringFlavor)) {
// This is where we should get the directories of the selected object in the selected entries.
TreeSet<JEXEntry> entries = JEXStatics.jexManager.getSelectedEntries();
String CompleteObjectDirList = ""; // a lsv list of each file within a JEXData object
for (JEXEntry e : entries) {
// Get the object with matching type name
JEXData d = e.getData(tn);
// Put together the absolute path of the object's database directory
String dirPath =
FileUtility.getFileParent(
JEXWriter.getDatabaseFolder() + File.separator + d.getDetachedRelativePath());
// Compile a single string with dir1 + File.pathSeparator + dir2 + File.separator ... that
// includes every file in the directory (including subfolders)
File[] files = new File(dirPath).listFiles();
LSVList pathList = (LSVList) FileUtility.getAllAbsoluteFilePaths(files, new LSVList());
CompleteObjectDirList += pathList.toString() + "\n";
}
Logs.log("Transfering string value " + tn.toString(), 1, this);
String result = CompleteObjectDirList; // Change what we return...
return result;
} else {
throw new UnsupportedFlavorException(flavor);
}
}
@SuppressWarnings("unchecked")
@Override
public void drop(DropTargetDropEvent dtde) {
for (DataFlavor dataFlover : dtde.getCurrentDataFlavors()) {
if (dataFlover.isFlavorJavaFileListType()) {
try {
dtde.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
for (File file :
(List<File>) dtde.getTransferable().getTransferData(DataFlavor.javaFileListFlavor)) {
if (file.isFile() && file.canRead()) {
fileText.setText(file.getCanonicalPath());
break;
}
}
dtde.getDropTargetContext().dropComplete(true);
} catch (UnsupportedFlavorException e1) {
//
} catch (IOException e2) {
//
}
}
}
}
public boolean isAcceptable(Transferable transferable, Point point) {
int row = getPropertiesTable().rowAtPoint(point);
if (row >= 0) {
int column = getPropertiesTable().columnAtPoint(point);
if (column != 1) {
return false;
}
if (!getPropertiesTable().isCellEditable(row, column)) {
return false;
}
} else if (!(getHolder() instanceof MutableTestPropertyHolder)) {
return false;
}
DataFlavor[] flavors = transferable.getTransferDataFlavors();
for (int i = 0; i < flavors.length; i++) {
DataFlavor flavor = flavors[i];
if (flavor.isMimeTypeEqual(DataFlavor.javaJVMLocalObjectMimeType)) {
try {
Object modelItem = transferable.getTransferData(flavor);
if (modelItem instanceof PropertyModelItem
&& ((PropertyModelItem) modelItem).getProperty().getModelItem()
!= getHolder().getModelItem()) {
return PropertyExpansionUtils.canExpandProperty(
getHolder().getModelItem(), ((PropertyModelItem) modelItem).getProperty());
}
} catch (Exception ex) {
SoapUI.logError(ex);
}
}
}
return false;
}
/** 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++;
} // end while: through flavors
// 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());
} // end if: logging enabled
return ok;
} // end isDragOk
/**
* Returns <code>true</code> if this data flavor is supported.
*
* @param flavor The data flavor.
* @return Whether this data flavor is supported.
*/
public boolean isDataFlavorSupported(DataFlavor flavor) {
for (DataFlavor myFlavor : supportedFlavors) {
if (myFlavor.equals(flavor)) {
return true;
}
}
return false;
}
public boolean canPaste() {
Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
for (DataFlavor df : clipboard.getAvailableDataFlavors()) {
if (df.equals(PrimitiveIdTransferable.PRIMITIVE_ID_LIST_FLAVOR)) return true;
}
// FIXME: check whether there are selected objects in the JOSM copy/paste buffer
return false;
}
public static void main(String[] args) {
Comparator<DataFlavor> comparator = DataFlavorUtil.getDataFlavorComparator();
DataFlavor flavor1 = DataFlavor.imageFlavor;
DataFlavor flavor2 = DataFlavor.selectionHtmlFlavor;
if (comparator.compare(flavor1, flavor2) == 0) {
throw new RuntimeException(
flavor1.getMimeType() + " and " + flavor2.getMimeType() + " should not be equal");
}
}
@Override
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
if (flavor.equals(selectionFlavor)) {
return selection;
}
if (flavor.equals(PointTransferable.pointFlavor)) {
return startPoint;
}
throw new UnsupportedFlavorException(flavor);
}
/**
* Returns <tt>true</tt> if <var>flavor</var> is one of the supported flavors. Flavors are
* supported using the <code>equals(...)</code> method.
*
* @param flavor The data flavor to check
* @return Whether or not the flavor is supported
* @since 1.1
*/
public boolean isDataFlavorSupported(java.awt.datatransfer.DataFlavor flavor) {
// Native object
if (flavor.equals(DATA_FLAVOR)) return true;
// String
if (flavor.equals(java.awt.datatransfer.DataFlavor.stringFlavor)) return true;
// We can't do anything else
return false;
} // end isDataFlavorSupported
@Override
public boolean isDataFlavorSupported(DataFlavor flavor) {
for (DataFlavor df : supportedFlavors) {
if (df.equals(flavor)) {
return true;
}
}
return false;
}
/**
* Returns the <code>Transferable</code>'s data in the requested <code>DataFlavor</code> if
* possible. If the desired flavor is <code>DataFlavor.stringFlavor</code>, or an equivalent
* flavor, the <code>String</code> representing the selection is returned. If the desired flavor
* is <code>DataFlavor.plainTextFlavor</code>, or an equivalent flavor, a <code>Reader</code> is
* returned. <b>Note:</b> The behavior of this method for <code>DataFlavor.plainTextFlavor</code>
* and equivalent <code>DataFlavor</code>s is inconsistent with the definition of <code>
* DataFlavor.plainTextFlavor</code>.
*
* @param flavor the requested flavor for the data
* @return the data in the requested flavor, as outlined above
* @throws UnsupportedFlavorException if the requested data flavor is not equivalent to either
* <code>DataFlavor.stringFlavor</code> or <code>DataFlavor.plainTextFlavor</code>
* @throws IOException if an IOException occurs while retrieving the data. By default,
* StringSelection never throws this exception, but a subclass may.
* @throws NullPointerException if flavor is <code>null</code>
* @see java.io.Reader
*/
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
// JCK Test StringSelection0007: if 'flavor' is null, throw NPE
if (flavor.equals(flavors[STRING])) {
return (Object) data;
} else if (flavor.equals(flavors[PLAIN_TEXT])) {
return new StringReader(data == null ? "" : data);
} else {
throw new UnsupportedFlavorException(flavor);
}
}
@Override
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
if (objectFlavor.equals(flavor)) {
return items;
} else if (textFlavor.equals(flavor)) {
return toString();
} else {
throw new UnsupportedFlavorException(flavor);
}
}
/**
* Returns <tt>true</tt> if <var>flavor</var> is one of the supported flavors. Flavors are
* supported using the <code>equals(...)</code> method.
*
* @param flavor The data flavor to check
* @return Whether or not the flavor is supported
* @since 1.1
*/
@Override
public boolean isDataFlavorSupported(DataFlavor flavor) {
// Native object
if (flavor.equals(DATA_FLAVOR)) return true;
// String
if (flavor.equals(DataFlavor.stringFlavor)) return true;
// We can't do anything else
return false;
} // end isDataFlavorSupported
@Override
public void dragEnter(DropTargetDragEvent dtde) {
for (DataFlavor df : dtde.getCurrentDataFlavors()) {
Class<?> repClass = df.getDefaultRepresentationClass();
boolean canDrop = InputStream.class.isAssignableFrom(repClass);
if (canDrop) {
dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE);
return;
}
}
}
public Object getTransferData(DataFlavor flavor)
throws UnsupportedFlavorException, IOException {
if (f == null) throw new IOException();
if (flavor.equals(DataFlavor.javaFileListFlavor)) {
final List coll = new ArrayList(1);
coll.add(f);
return coll;
} else if (flavor.equals(DataFlavor.stringFlavor)) {
return f.getAbsolutePath();
}
throw new UnsupportedFlavorException(flavor);
}
/**
* Returns the data encapsulated in this {@link TransferableObject}. If the {@link Fetcher}
* constructor was used, then this is when the {@link Fetcher#getObject getObject()} method will
* be called. If the requested data flavor is not supported, then the {@link Fetcher#getObject
* getObject()} method will not be called.
*
* @param flavor The data flavor for the data to return
* @return The dropped data
* @since 1.1
*/
public Object getTransferData(java.awt.datatransfer.DataFlavor flavor)
throws java.awt.datatransfer.UnsupportedFlavorException, java.io.IOException {
// Native object
if (flavor.equals(DATA_FLAVOR)) return fetcher == null ? data : fetcher.getObject();
// String
if (flavor.equals(java.awt.datatransfer.DataFlavor.stringFlavor))
return fetcher == null ? data.toString() : fetcher.getObject().toString();
// We can't do anything else
throw new java.awt.datatransfer.UnsupportedFlavorException(flavor);
} // end getTransferData
/**
* @param flavor
* @param supportedFlavors
* @return
*/
public static boolean isFlavorSupported(DataFlavor flavor, DataFlavor[] supportedFlavors) {
for (int i = 0; i < supportedFlavors.length; i++) {
if (supportedFlavors[i].getPrimaryType().equals(flavor.getPrimaryType())
&& supportedFlavors[i].getSubType().equals(flavor.getSubType())
&& flavor
.getRepresentationClass()
.isAssignableFrom(supportedFlavors[i].getRepresentationClass())) {
return true;
}
}
return false;
}
/**
* returns whether the given flavor is a color flavor
*
* @param flavor a flavor
* @return whether the given flavor is a color flavor
*/
public boolean isColorDataFlavor(DataFlavor flavor) {
boolean isColorDataFlavor = false;
if (flavor != null) {
isColorDataFlavor =
(flavor.isMimeTypeEqual(colorFlavor) || flavor.isMimeTypeEqual(w3cSVGColorFlavor));
}
return isColorDataFlavor;
}
public Object getTransferData(java.awt.datatransfer.DataFlavor flavor)
throws java.awt.datatransfer.UnsupportedFlavorException, java.io.IOException {
if (flavor.equals(objectArrayPropertyItemFlavor)) {
return objectArrayPropertyItem;
} else if (flavor.equals(java.awt.datatransfer.DataFlavor.stringFlavor)) {
return objectArrayPropertyItem.getObjectArrayProperty()
+ "["
+ objectArrayPropertyItem.getIndex()
+ "]";
} else {
throw new java.awt.datatransfer.UnsupportedFlavorException(flavor);
}
}
/**
* This method is called to query whether the transfer can be imported.
*
* <p>Will return true for urls, strings, javaFileLists
*
* @override
*/
public boolean canImport(JComponent comp, DataFlavor[] transferFlavors) {
// accept this if any input flavor matches any of our supported flavors
for (int i = 0; i < transferFlavors.length; i++) {
DataFlavor inflav = transferFlavors[i];
if (inflav.match(urlFlavor)
|| inflav.match(stringFlavor)
|| inflav.match(DataFlavor.javaFileListFlavor)) return true;
}
// nope, never heard of this type
return false;
}
/**
* Returns <code>true</code> if the component can import this data flavor.
*
* @param comp The component to import data.
* @param flavors An array of data flavors.
*/
@Override
public boolean canImport(JComponent comp, DataFlavor[] flavors) {
if (flavors == null) {
return false;
} else {
for (DataFlavor flavor : flavors) {
if (flavor.equals(buildQueueFlavor)) {
return true;
}
}
return false;
}
}
/**
* This method has the same behavior as {@link #equals(Object)}. The only difference being that it
* takes a {@code DataFlavor} instance as a parameter.
*
* @param that the <code>DataFlavor</code> to compare with <code>this</code>
* @return <code>true</code> if <code>that</code> is equivalent to this <code>DataFlavor</code>;
* <code>false</code> otherwise
* @see #selectBestTextFlavor
*/
public boolean equals(DataFlavor that) {
if (that == null) {
return false;
}
if (this == that) {
return true;
}
if (representationClass == null) {
if (that.getRepresentationClass() != null) {
return false;
}
} else {
if (!representationClass.equals(that.getRepresentationClass())) {
return false;
}
}
if (mimeType == null) {
if (that.mimeType != null) {
return false;
}
} else {
if (!mimeType.match(that.mimeType)) {
return false;
}
if ("text".equals(getPrimaryType())
&& DataTransferer.doesSubtypeSupportCharset(this)
&& representationClass != null
&& !(isRepresentationClassReader()
|| String.class.equals(representationClass)
|| isRepresentationClassCharBuffer()
|| DataTransferer.charArrayClass.equals(representationClass))) {
String thisCharset = DataTransferer.canonicalName(getParameter("charset"));
String thatCharset = DataTransferer.canonicalName(that.getParameter("charset"));
if (thisCharset == null) {
if (thatCharset != null) {
return false;
}
} else {
if (!thisCharset.equals(thatCharset)) {
return false;
}
}
}
}
return true;
}
@Override
public boolean canImport(TransferSupport support) {
if (support.isDrop() && !mDropEnabled) return false;
if (support.getComponent() == mTextArea && mTextHandler.canImport(support)) return true;
for (DataFlavor flavor : support.getDataFlavors()) {
if (flavor.isFlavorJavaFileListType()) {
return true;
}
}
return false;
}
