1 | static JTextPane verticallyCenterTextPane(final JTextPane tp) {
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2 | swing {
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3 | tp.setEditorKit(new MyEditorKit); // TODO: rename classes |
4 | } |
5 | ret tp; |
6 | } |
7 | |
8 | sclass MyEditorKit extends StyledEditorKit {
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9 | public ViewFactory getViewFactory() {
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10 | return new StyledViewFactory(); |
11 | } |
12 | |
13 | static class StyledViewFactory implements ViewFactory {
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14 | public View create(Element elem) {
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15 | String kind = elem.getName(); |
16 | if (kind != null) {
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17 | if (kind.equals(AbstractDocument.ContentElementName)) {
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18 | |
19 | return new LabelView(elem); |
20 | } else if (kind.equals(AbstractDocument.ParagraphElementName)) {
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21 | return new ParagraphView(elem); |
22 | } else if (kind.equals(AbstractDocument.SectionElementName)) {
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23 | |
24 | return new CenteredBoxView(elem, View.Y_AXIS); |
25 | } else if (kind.equals(StyleConstants.ComponentElementName)) {
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26 | return new ComponentView(elem); |
27 | } else if (kind.equals(StyleConstants.IconElementName)) {
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28 | |
29 | return new IconView(elem); |
30 | } |
31 | } |
32 | |
33 | return new LabelView(elem); |
34 | } |
35 | } |
36 | } |
37 | |
38 | sclass CenteredBoxView extends BoxView {
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39 | public CenteredBoxView(Element elem, int axis) {
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40 | super(elem,axis); |
41 | } |
42 | protected void layoutMajorAxis(int targetSpan, int axis, int[] offsets, int[] spans) {
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43 | super.layoutMajorAxis(targetSpan,axis,offsets,spans); |
44 | int textBlockHeight = 0; |
45 | int offset = 0; |
46 | |
47 | for (int i = 0; i < spans.length; i++) {
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48 | |
49 | textBlockHeight = spans[i]; |
50 | } |
51 | offset = (targetSpan - textBlockHeight) / 2; |
52 | for (int i = 0; i < offsets.length; i++) {
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53 | offsets[i] += offset; |
54 | } |
55 | } |
56 | } |
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| Snippet ID: | #1010263 |
| Snippet name: | verticallyCenterTextPane [quite complicated, seems to work, but breaks horizontal center, better use jFullCenter] |
| Eternal ID of this version: | #1010263/5 |
| Text MD5: | d1628f370288f659047495564921c0b2 |
| Author: | stefan |
| Category: | javax / gui |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2017-09-07 19:42:28 |
| Source code size: | 1861 bytes / 56 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 335 / 409 |
| Version history: | 4 change(s) |
| Referenced in: | [show references] |