blob: 8f697d16480bc9cb17c40465609dad374f5bde11 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.common.ui.internal.guiutils;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
/**
* A general purpose class for displying an image in a composite. There is no
* eclipse tool for doing this other than CLabl which is bulkly.
*
* This was original written by Karl Reti.
*
* @author mengbo
*/
public class ImageContainer extends Composite {
private Image _image = null;
private boolean _bCleanupImage;
/**
* @param parent
*/
public ImageContainer(Composite parent) {
super(parent, SWT.NONE);// SWT.NO_BACKGROUND );//|
// SWT.NO_REDRAW_RESIZE);
setBackground(ColorConstants.white);
// paint the image
addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
if (_image != null) {
e.gc.drawImage(_image, 0, 0);
}
}
});
addControlListener(new ControlAdapter() {
public void controlResized(ControlEvent e) {
setSize(_image.getBounds().width, _image.getBounds().height);
}
});
// tidy up
addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
if (_bCleanupImage && _image != null && !_image.isDisposed()) {
_image.dispose();
}
}
});
}
/**
* @return Returns the image.
*/
public Image getImage() {
return _image;
}
/**
* @return should the image be disposed of on cleanup. Set false if the
* image is cached.
*/
public boolean isCleanupImage() {
return _bCleanupImage;
}
/**
* @param image
* The image to set.
*/
public void setImage(Image image) {
setImage(image, false);
}
/**
* @param image
* The image to set.
* @param bCleanupImage
*/
public void setImage(Image image, boolean bCleanupImage) {
_image = image;
_bCleanupImage = bCleanupImage;
setSize(image.getBounds().width, image.getBounds().height);
}
}
|
