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1 | import javax.swing.undo.UndoManager; |
2 | |
3 | static <A extends JTextComponent> A jenableUndoRedo(A textcomp) {
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4 | swing {
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5 | new UndoManager undo; |
6 | vm_generalWeakSet("Undo Managers").add(undo);
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7 | setMeta(textcomp, "UndoManager", undo); |
8 | textcomp.getDocument().addUndoableEditListener(new UndoableEditListener() {
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9 | public void undoableEditHappened(UndoableEditEvent evt) {
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10 | undo.addEdit(evt.getEdit()); |
11 | } |
12 | }); |
13 | |
14 | textcomp.getActionMap().put("Undo", abstractAction("Undo", r {
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15 | if (undo.canUndo()) undo.undo() |
16 | })); |
17 | textcomp.getActionMap().put("Redo", abstractAction("Redo", r {
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18 | if (undo.canRedo()) undo.redo() |
19 | })); |
20 | textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");
|
21 | textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");
|
22 | } |
23 | ret textcomp; |
24 | } |
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| Snippet ID: | #1007755 |
| Snippet name: | jenableUndoRedo - enable Ctrl+Z undo and Ctrl+Y redo for JTextComponent |
| Eternal ID of this version: | #1007755/13 |
| Text MD5: | 877662b272e22f95f14d1e24481b41ba |
| Transpilation MD5: | 706ad25f8c16fdefad6b3f49282eede6 |
| Author: | stefan |
| Category: | javax / gui |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-04-04 00:37:45 |
| Source code size: | 862 bytes / 24 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 468 / 555 |
| Version history: | 12 change(s) |
| Referenced in: | [show references] |