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1 | sclass JGallery_v2 {
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2 | JPanel panel = jpanel(new VScrollingWrapLayout); |
3 | |
4 | settable new ThumbnailCache thumbnailCache; |
5 | |
6 | event adaptingButton(JThumbnailButton btn); |
7 | event fileClicked(File imageFile); |
8 | |
9 | void add(File imageFile) {
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10 | if (imageFile == null) ret; |
11 | addComponent(panel, makeButton(imageFile)); |
12 | } |
13 | |
14 | JThumbnailButton makeButton(File imageFile) {
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15 | var btn = new JThumbnailButton(thumbnailCache, imageFile); |
16 | onClick(btn, rThread { fileClicked(btn.imageFile()) });
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17 | adaptingButton(btn); |
18 | ret btn; |
19 | } |
20 | |
21 | void setImageFiles(Cl<File> imageFiles) {
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22 | removeAllButtons(); |
23 | addAll(imageFiles); |
24 | } |
25 | |
26 | void addAll(Iterable<File> imageFiles) {
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27 | fOr (f : imageFiles) add(f); |
28 | } |
29 | |
30 | L<JThumbnailButton> buttons() {
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31 | ret childrenOfType(panel, JThumbnailButton); |
32 | } |
33 | |
34 | void removeAllButtons {
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35 | removeAllComponents(panel); |
36 | } |
37 | |
38 | JThumbnailButton findButton(File imageFile) {
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39 | if (imageFile == null) null; |
40 | ret first(buttons(), btn -> eq(btn.imageFile, imageFile)); |
41 | } |
42 | |
43 | cachedVisual |
44 | jscroll_vertical(panel); |
45 | |
46 | void unselectAll() swing {
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47 | for (btn : buttons()) |
48 | btn.setSelected(false); |
49 | } |
50 | |
51 | JThumbnailButton selectFile(File imageFile) swing {
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52 | unselectAll(); |
53 | var btn = findButton(imageFile); |
54 | if (btn != null) {
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55 | btn.setSelected(true); |
56 | scrollIntoView(btn); |
57 | } |
58 | ret btn; |
59 | } |
60 | } |
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| Snippet ID: | #1035950 |
| Snippet name: | JGallery_v2 |
| Eternal ID of this version: | #1035950/14 |
| Text MD5: | 983336933abb444300e7ff7a96b42845 |
| Transpilation MD5: | 2c27bcc97e8dbe90a9614bd320e94b5a |
| Author: | stefan |
| Category: | javax / io |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-08-17 19:48:34 |
| Source code size: | 1445 bytes / 60 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 161 / 279 |
| Version history: | 13 change(s) |
| Referenced in: | [show references] |