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1 | import java.awt.datatransfer.*; |
2 | import java.awt.dnd.*; |
3 | |
4 | // onDrop: voidfunc(L<File>), but may also return false |
5 | static <A extends JComponent> A jHandleMultiFileDrop(A c, final O onDrop) {
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6 | new DropTarget(c, new DropTargetAdapter {
|
7 | public void drop(DropTargetDropEvent e) {
|
8 | pcall {
|
9 | Transferable tr = e.getTransferable(); |
10 | DataFlavor[] flavors = tr.getTransferDataFlavors(); |
11 | for (DataFlavor flavor : flavors) {
|
12 | if (flavor.isFlavorJavaFileListType()) {
|
13 | e.acceptDrop(e.getDropAction()); |
14 | L<File> files = cast tr.getTransferData(flavor); |
15 | if (nempty(files) && !isFalse(callF(onDrop, files))) |
16 | e.dropComplete(true); |
17 | ret; |
18 | } |
19 | } |
20 | } |
21 | e.rejectDrop(); |
22 | } |
23 | }); |
24 | ret c; |
25 | } |
26 | |
27 | static <A extends JComponent> A jHandleMultiFileDrop(O onDrop, A c) {
|
28 | ret jHandleMultiFileDrop(c, onDrop); |
29 | } |
Began life as a copy of #1006021
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| Snippet ID: | #1024629 |
| Snippet name: | jHandleMultiFileDrop - makes any JComponent accept multiple file drops (drag&drop) |
| Eternal ID of this version: | #1024629/3 |
| Text MD5: | d803fb9a36ac5dd4bff45847aad7f47e |
| Transpilation MD5: | 3f9d2c87f403bdeedf451ed13205f927 |
| Author: | stefan |
| Category: | javax / gui |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2019-08-21 12:38:53 |
| Source code size: | 932 bytes / 29 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 123 / 196 |
| Version history: | 2 change(s) |
| Referenced in: | [show references] |