| Methods Summary |
|---|
| public void | TransferHandler()
|
| public boolean | canImport(javax.swing.JComponent dest, java.awt.datatransfer.DataFlavor[] flavors)
// you bet we can!
return true;
|
| public void | exportDone(javax.swing.JComponent source, java.awt.datatransfer.Transferable data, int action)
// Just let us know when it occurs...
System.err.println("Export Done.");
|
| public boolean | importData(javax.swing.JComponent src, java.awt.datatransfer.Transferable transferable)
// Ok, here's the tricky part...
println("Receiving data from " + src);
println("Transferable object is: " + transferable);
println("Valid data flavors: ");
DataFlavor[] flavors = transferable.getTransferDataFlavors();
DataFlavor listFlavor = null;
DataFlavor objectFlavor = null;
DataFlavor readerFlavor = null;
int lastFlavor = flavors.length - 1;
// Check the flavors and see if we find one we like.
// If we do, save it.
for (int f = 0; f <= lastFlavor; f++) {
println(" " + flavors[f]);
if (flavors[f].isFlavorJavaFileListType()) {
listFlavor = flavors[f];
}
if (flavors[f].isFlavorSerializedObjectType()) {
objectFlavor = flavors[f];
}
if (flavors[f].isRepresentationClassReader()) {
readerFlavor = flavors[f];
}
}
// Ok, now try to display the content of the drop.
try {
DataFlavor bestTextFlavor = DataFlavor.selectBestTextFlavor(flavors);
BufferedReader br = null;
String line = null;
if (bestTextFlavor != null) {
println("Best text flavor: " + bestTextFlavor.getMimeType());
println("Content:");
Reader r = bestTextFlavor.getReaderForText(transferable);
br = new BufferedReader(r);
line = br.readLine();
while (line != null) {
println(line);
line = br.readLine();
}
br.close();
}
else if (listFlavor != null) {
java.util.List list = (java.util.List)transferable.getTransferData(listFlavor);
println(list);
}
else if (objectFlavor != null) {
println("Data is a java object:\n" + transferable.getTransferData(objectFlavor));
}
else if (readerFlavor != null) {
println("Data is an InputStream:");
br = new BufferedReader((Reader)transferable.getTransferData(readerFlavor));
line = br.readLine();
while (line != null) {
println(line);
}
br.close();
}
else {
// Don't know this flavor type yet...
println("No text representation to show.");
}
println("\n\n");
}
catch (Exception e) {
println("Caught exception decoding transfer:");
println(e);
return false;
}
return true;
|
| public static void | main(java.lang.String[] args)
JFrame frame = new JFrame("Debugging Drop Zone");
frame.setSize(500,300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JTextArea jta = new JTextArea();
frame.getContentPane().add(new JScrollPane(jta));
UberHandler uh = new UberHandler();
uh.setOutput(jta);
jta.setTransferHandler(uh);
frame.setVisible(true);
|
| protected void | print(java.lang.Object o)
print(o.toString());
|
| protected void | print(java.lang.String s)
if (output != null) {
output.append(s);
}
else {
System.out.println(s);
}
|
| protected void | println()
println("");
|
| protected void | println(java.lang.Object o)
println(o.toString());
|
| protected void | println(java.lang.String s)
if (output != null) {
output.append(s);
output.append("\n");
}
else {
System.out.println(s);
}
|
| public void | setOutput(javax.swing.JTextArea jta)
output = jta;
|
