Query the DOM element value
/*
* Browser example snippet: query DOM node value
*
* 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.SWT;
import
org.eclipse.swt.browser.Browser;
import
org.eclipse.swt.browser.ProgressEvent;
import
org.eclipse.swt.browser.ProgressListener;
import
org.eclipse.swt.browser.StatusTextEvent;
import
org.eclipse.swt.browser.StatusTextListener;
import
org.eclipse.swt.layout.FillLayout;
import
org.eclipse.swt.widgets.Display;
import
org.eclipse.swt.widgets.Shell;public class
Snippet160
{
public static
void
main
(
String
[]
args
) {
final
String
html
=
";
Display display =
new
Display
()
;
final
Shell shell =
new
Shell
(
display
)
;
shell.setLayout
(
new
FillLayout
())
;
final
Browser browser =
new
Browser
(
shell, SWT.NONE
)
;
browser.addStatusTextListener
(
new
StatusTextListener
() {
public
void
changed
(
StatusTextEvent event
) {
browser.setData
(
"query"
, event.text
)
;
}
})
;
browser.addProgressListener
(
new
ProgressListener
() {
public
void
changed
(
ProgressEvent event
) {
}
public
void
completed
(
ProgressEvent event
) {
/*
* Use JavaScript to query the desired node content through the
* Document Object Model
*
* Assign result to the window property status to pass the
* result to the StatusTextListener This trick is required since
* <code>execute</code> does not return the <code>String</code>
* directly.
*/
boolean
result = browser
.execute
(
"window.status=document.getElementById('myid').childNodes[0].nodeValue;"
)
;
if
(
!result
) {
/*
* Script may fail or may not be supported on certain
* platforms.
*/
System.out.println
(
"Script was not executed."
)
;
return
;
}
String value =
(
String
)
browser.getData
(
"query"
)
;
System.out.println
(
"Node value: "
+ value
)
;
}
})
;
/* Load an HTML document */
browser.setText
(
html
)
;
shell.open
()
;
while
(
!shell.isDisposed
()) {
if
(
!display.readAndDispatch
())
display.sleep
()
;
}
display.dispose
()
;
}
}