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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.snippets;
/*
* Browser example snippet: bring up a browser
*
* For a list of all SWT example snippets see
* http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
*/
import org.eclipse.swt.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.browser.*;
public class Snippet128 {
public static void main(String [] args) {
Display display = new Display();
final Shell shell = new Shell(display);
GridLayout gridLayout = new GridLayout();
gridLayout.numColumns = 3;
shell.setLayout(gridLayout);
ToolBar toolbar = new ToolBar(shell, SWT.NONE);
ToolItem itemBack = new ToolItem(toolbar, SWT.PUSH);
itemBack.setText("Back");
ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
itemForward.setText("Forward");
ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
itemStop.setText("Stop");
ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
itemRefresh.setText("Refresh");
ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
itemGo.setText("Go");
GridData data = new GridData();
data.horizontalSpan = 3;
toolbar.setLayoutData(data);
Label labelAddress = new Label(shell, SWT.NONE);
labelAddress.setText("Address");
final Text location = new Text(shell, SWT.BORDER);
data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.horizontalSpan = 2;
data.grabExcessHorizontalSpace = true;
location.setLayoutData(data);
final Browser browser = new Browser(shell, SWT.NONE);
data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.verticalAlignment = GridData.FILL;
data.horizontalSpan = 3;
data.grabExcessHorizontalSpace = true;
data.grabExcessVerticalSpace = true;
browser.setLayoutData(data);
final Label status = new Label(shell, SWT.NONE);
data = new GridData(GridData.FILL_HORIZONTAL);
data.horizontalSpan = 2;
status.setLayoutData(data);
final ProgressBar progressBar = new ProgressBar(shell, SWT.NONE);
data = new GridData();
data.horizontalAlignment = GridData.END;
progressBar.setLayoutData(data);
/* event handling */
Listener listener = new Listener() {
public void handleEvent(Event event) {
ToolItem item = (ToolItem)event.widget;
String string = item.getText();
if (string.equals("Back")) browser.back();
else if (string.equals("Forward")) browser.forward();
else if (string.equals("Stop")) browser.stop();
else if (string.equals("Refresh")) browser.refresh();
else if (string.equals("Go")) browser.setUrl(location.getText());
}
};
browser.addProgressListener(new ProgressListener() {
public void changed(ProgressEvent event) {
if (event.total == 0) return;
int ratio = event.current * 100 / event.total;
progressBar.setSelection(ratio);
}
public void completed(ProgressEvent event) {
progressBar.setSelection(0);
}
});
browser.addStatusTextListener(new StatusTextListener() {
public void changed(StatusTextEvent event) {
status.setText(event.text);
}
});
browser.addLocationListener(new LocationListener() {
public void changed(LocationEvent event) {
if (event.top) location.setText(event.location);
}
public void changing(LocationEvent event) {
}
});
itemBack.addListener(SWT.Selection, listener);
itemForward.addListener(SWT.Selection, listener);
itemStop.addListener(SWT.Selection, listener);
itemRefresh.addListener(SWT.Selection, listener);
itemGo.addListener(SWT.Selection, listener);
location.addListener(SWT.DefaultSelection, new Listener() {
public void handleEvent(Event e) {
browser.setUrl(location.getText());
}
});
shell.open();
browser.setUrl("http://eclipse.org");
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
|
