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1 | static class PopupMenuHelper extends MouseAdapter {
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2 | JPopupMenu menu; |
3 | Point point; |
4 | |
5 | /** override me */ |
6 | swappable void fillMenu() {
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7 | } |
8 | |
9 | public void mousePressed(MouseEvent e) {
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10 | displayMenu(e); |
11 | } |
12 | |
13 | public void mouseReleased(MouseEvent e) {
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14 | displayMenu(e); |
15 | } |
16 | |
17 | private void displayMenu(MouseEvent e) {
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18 | boolean popupTrigger = e.isPopupTrigger(); |
19 | if (popupTrigger) {
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20 | JPopupMenu menu = new JPopupMenu(); |
21 | int count = menu.getComponentCount(); |
22 | this.menu = menu; |
23 | this.point = e.getPoint(); |
24 | fillMenu(); |
25 | this.menu = null; |
26 | if (menu.getComponentCount() != count) |
27 | menu.show(e.getComponent(), e.getX(), e.getY()); |
28 | } |
29 | } |
30 | |
31 | public void install(JComponent component) {
|
32 | component.addMouseListener(this); |
33 | } |
34 | } |
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| Snippet ID: | #1000839 |
| Snippet name: | PopupMenuHelper |
| Eternal ID of this version: | #1000839/2 |
| Text MD5: | 57785762592ba949f9f1c922abc65e0e |
| Transpilation MD5: | 6a4e2489a9fee90cc0ee7bee430a383e |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-01-25 20:20:44 |
| Source code size: | 817 bytes / 34 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 729 / 2939 |
| Version history: | 1 change(s) |
| Referenced in: | [show references] |