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Code Issues Releases Wiki Activity

Refactor File DnD (and assume that "java.io.IOException: Owner failed to convert data" is normal during the DnD process and can be ignored)

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This commit is contained in:
Reinhard Pointner 2019-02-17 19:07:32 +07:00
parent 5cec6f5162
commit d3d78cb09c
2 changed files with 24 additions and 11 deletions
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32
source/net/filebot/ui/transfer/FileTransferable.java
View File

@ -8,6 +8,7 @@ import static net.filebot.util.FileUtilities.*;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.dnd.InvalidDnDOperationException;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
@ -88,6 +89,22 @@ public class FileTransferable implements Transferable {
return isFileListFlavor(flavor);
}
public static <T> T getTransferData(Transferable tr, DataFlavor flavor, Class<T> type) throws IOException, UnsupportedFlavorException {
Object transferData;
try {
transferData = tr.getTransferData(flavor);
} catch (IOException e) {
// java.io.IOException: Owner failed to convert data
throw new InvalidDnDOperationException(e.getMessage());
}
if (transferData != null && type.isInstance(transferData)) {
return type.cast(transferData);
}
return null;
}
public static List<File> getFilesFromTransferable(Transferable tr) throws IOException, UnsupportedFlavorException {
// On Linux, if a file is dragged from a smb share to into a java application (e.g. Ubuntu Files to FileBot)
// the application/x-java-file-list transfer data will be an empty list
@ -96,10 +113,7 @@ public class FileTransferable implements Transferable {
if (useGVFS()) {
if (tr.isDataFlavorSupported(FileTransferable.uriListFlavor)) {
// file URI list flavor (Linux)
Readable transferData = (Readable) tr.getTransferData(FileTransferable.uriListFlavor);
try (Scanner scanner = new Scanner(transferData)) {
try (Scanner scanner = new Scanner(getTransferData(tr, FileTransferable.uriListFlavor, Readable.class))) {
List<File> files = new ArrayList<File>();
while (scanner.hasNextLine()) {
@ -131,18 +145,16 @@ public class FileTransferable implements Transferable {
// Windows / Mac and default handling
if (tr.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
// file list flavor
Object transferable = tr.getTransferData(DataFlavor.javaFileListFlavor);
if (transferable instanceof List) {
List<File> files = (List<File>) transferable;
List<File> files = getTransferData(tr, DataFlavor.javaFileListFlavor, List.class);
if (files != null) {
// Windows Explorer DnD / Selection Order is broken and will probably never be fixed,
// so we provide an override for users that want to enforce alphanumeric sort order of files dragged in
if (forceSortOrder) {
return files.stream().sorted(HUMAN_NAME_ORDER).collect(toList());
} else {
return files;
}
return files;
}
// on some platforms transferable data will not be available until the drop has been accepted

3
source/net/filebot/ui/transfer/TransferablePolicy.java
View File

@ -27,9 +27,10 @@ public abstract class TransferablePolicy {
// *after* the drop has been accepted, but canImport is called before that
// just assume that the transferable will be accepted, accept will be called in importData again anyway
debug.log(Level.FINEST, e, e::getMessage);
return true;
} catch (Exception e) {
debug.log(Level.FINEST, e, e::getMessage);
debug.log(Level.WARNING, e, e::getMessage);
return false;
}
}