1 package org.argeo.cms.ui.widgets;
2
3 import javax.jcr.Node;
4 import javax.jcr.RepositoryException;
5
6 import org.apache.commons.logging.Log;
7 import org.apache.commons.logging.LogFactory;
8 import org.argeo.cms.ui.util.CmsUiUtils;
9 import org.eclipse.swt.graphics.Point;
10 import org.eclipse.swt.widgets.Composite;
11 import org.eclipse.swt.widgets.Control;
12 import org.eclipse.swt.widgets.Label;
13 import org.eclipse.swt.widgets.Text;
14
15
16 public abstract class EditableImage extends StyledControl {
17 private static final long serialVersionUID = -5689145523114022890L;
18 private final static Log log = LogFactory.getLog(EditableImage.class);
19
20 private Point preferredImageSize;
21 private Boolean loaded = false;
22
23 public EditableImage(Composite parent, int swtStyle) {
24 super(parent, swtStyle);
25 }
26
27 public EditableImage(Composite parent, int swtStyle,
28 Point preferredImageSize) {
29 super(parent, swtStyle);
30 this.preferredImageSize = preferredImageSize;
31 }
32
33 public EditableImage(Composite parent, int style, Node node,
34 boolean cacheImmediately, Point preferredImageSize)
35 throws RepositoryException {
36 super(parent, style, node, cacheImmediately);
37 this.preferredImageSize = preferredImageSize;
38 }
39
40 @Override
41 protected void setContainerLayoutData(Composite composite) {
42
43 }
44
45 @Override
46 protected void setControlLayoutData(Control control) {
47
48 }
49
50
51 protected String createImgTag() throws RepositoryException {
52 return CmsUiUtils.noImg(preferredImageSize != null ? preferredImageSize
53 : getSize());
54 }
55
56 protected Label createLabel(Composite box, String style) {
57 Label lbl = new Label(box, getStyle());
58
59 CmsUiUtils.markup(lbl);
60 CmsUiUtils.style(lbl, style);
61 if (mouseListener != null)
62 lbl.addMouseListener(mouseListener);
63 load(lbl);
64 return lbl;
65 }
66
67
68 protected synchronized Boolean load(Control control) {
69 String imgTag;
70 try {
71 imgTag = createImgTag();
72 } catch (Exception e) {
73
74 log.error("Cannot retrieve image", e);
75 imgTag = CmsUiUtils.noImg(preferredImageSize);
76 loaded = false;
77 }
78
79 if (imgTag == null) {
80 loaded = false;
81 imgTag = CmsUiUtils.noImg(preferredImageSize);
82 } else
83 loaded = true;
84 if (control != null) {
85 ((Label) control).setText(imgTag);
86 control.setSize(preferredImageSize != null ? preferredImageSize
87 : getSize());
88 } else {
89 loaded = false;
90 }
91 getParent().layout();
92 return loaded;
93 }
94
95 public void setPreferredSize(Point size) {
96 this.preferredImageSize = size;
97 if (!loaded) {
98 load((Label) getControl());
99 }
100 }
101
102 protected Text createText(Composite box, String style) {
103 Text text = new Text(box, getStyle());
104 CmsUiUtils.style(text, style);
105 return text;
106 }
107
108 public Point getPreferredImageSize() {
109 return preferredImageSize;
110 }
111
112 }