1 | sclass AutoComboBox2 extends JComboBox<Object> {
|
2 | F1<S, Collection<S>> entryMaker; |
3 | |
4 | *() { this(null); }
|
5 | |
6 | *(F1<S, Collection<S>> *entryMaker) {
|
7 | setSelectedIndex(-1); |
8 | setEditable(true); |
9 | JTextField text = cast this.getEditor().getEditorComponent(); |
10 | text.setFocusable(true); |
11 | |
12 | text.addKeyListener(new KeyAdapter {
|
13 | public void /*keyPressed*/keyReleased(KeyEvent key) {
|
14 | if (key.getKeyCode() == KeyEvent.VK_ENTER) ret; |
15 | |
16 | if (key.getKeyCode() == KeyEvent.VK_ESCAPE) { hidePopup(); ret; }
|
17 | |
18 | if (key.getKeyCode() == KeyEvent.VK_TAB /*&& key.getModifiers() == 0*/) {
|
19 | _print("Have tab event (modifiers=" + key.getModifiers() + ")");
|
20 | if ((key.getModifiers() & ActionEvent.SHIFT_MASK) == 0 && isPopupVisible()) {
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21 | setSelectedIndex(0); // accept item |
22 | hidePopup(); |
23 | } else // standard tab behavior |
24 | swing_standardTabBehavior(key); |
25 | |
26 | ret; |
27 | } |
28 | |
29 | JTextField tf = cast getEditor().getEditorComponent(); |
30 | if (tf.getCaretPosition() != l(tf.getText())) ret; |
31 | String text = tf.getText(); |
32 | |
33 | Vector list = new Vector(getSuggestions(text)); |
34 | if (nempty(list)) {
|
35 | setModel(new DefaultComboBoxModel(list)); |
36 | setSelectedIndex(-1); |
37 | tf.setText(text); // necessary? |
38 | showPopup(); |
39 | } else |
40 | hidePopup(); |
41 | } |
42 | }); |
43 | |
44 | text.setFocusTraversalKeysEnabled(false); |
45 | } |
46 | |
47 | Collection<S> getSuggestions(S text) {
|
48 | ret callF(entryMaker, text); |
49 | } |
50 | } |
Began life as a copy of #1007529
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| Snippet ID: | #1012958 |
| Snippet name: | AutoComboBox2 - with flexible entry maker |
| Eternal ID of this version: | #1012958/8 |
| Text MD5: | 84e69f874882bde08014c5592b6a2edd |
| Author: | stefan |
| Category: | javax / gui |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2017-12-18 22:11:56 |
| Source code size: | 1635 bytes / 50 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 363 / 946 |
| Version history: | 7 change(s) |
| Referenced in: | [show references] |