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| Re: Jface Viewer in Java Project?? [message #80253 is a reply to message #79642] |
Thu, 23 June 2005 18:37  |
Eclipse User |
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Thanks for the quick response. I did not convey my question properly. I am
trying to get a TreeViewer to work with an object tree that I retrieve via
Hibernate, but am stymied at a much earlier point. I have a Junit test that
sets up a shell, and then displays a label widget in a shell; after that, I
try to test a viewer, but it fails:
public class TestWidgets extends TestCase {
Display display = null;
Shell shell = null;
Label label = null;
protected void setUp() throws Exception {
super.setUp();
display = new Display();
shell = new Shell(display);
}
public void testLabelWidget() {
label = new Label (shell, SWT.CENTER);
label.setText("Hello world");
label.setBounds(shell.getClientArea());
shell.open();
while (!shell.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep (); }
display.dispose ();
}
NOTE - I CAN INSERT A SERIES OF LABEL WIDGET TESTS HERE, WITH DIFFERENT
NAMES, AND THEY ALL WORK IN SEQUENCE AS I CLOSE EACH SWT SHELL. THE NEXT
TEST FAILS, HOWEVER:
public void testListWidget(){
ListViewer viewer = new ListViewer(shell);
//ERROR OCCURS HERE
//viewer.setContentProvider(new TrialTreeContentProvider());
//viewer.setLabelProvider(new TrialTreeLabelProvider());
shell.open();
while (!shell.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
display.dispose ();
}
}
BUT I get an error here, fired at the ListViewer viewer = new
ListViewer(shell):
java.lang.NoClassDefFoundError: org/eclipse/core/runtime/ISafeRunnable
at edu.utah.cdmcc.test.TestWidgets.testListWidget(TestWidgets.j ava:48)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39
)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl
..java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
junit.framework.TestCase.runTest(TestCase.java:154)
at
junit.framework.TestCase.runBare(TestCase.java:127)
at
junit.framework.TestResult$1.protect(TestResult.java:106)
at
junit.framework.TestResult.runProtected(TestResult.java:124)
at
junit.framework.TestResult.run(TestResult.java:109)
at
junit.framework.TestCase.run(TestCase.java:118)
at
junit.framework.TestSuite.runTest(TestSuite.java:208)
at
junit.framework.TestSuite.run(TestSuite.java:203)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTe sts(RemoteTestRu
nner.java:478)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(R emoteTestRunner.
java:344)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main( RemoteTestRunner
..java:196)
On 6/22/05 5:51 AM, in article d9bjck$25a$1@news.eclipse.org, "Bertin"
<BertinK@tiscali.nl> wrote:
> maybe you found out yourself, there is also a part two
>
> http://www-106.ibm.com/developerworks/opensource/library/os- ecgui2/
>
> and a part three
>
> http://www-106.ibm.com/developerworks/opensource/library/os- ecgui3/
>
>
> "Jeff Myers" <myersj@gmail.com> wrote in message
> news:d97ahi$cl1$1@news.eclipse.org...
>> J. Michael,
>>
>> See: http://www-106.ibm.com/developerworks/opensource/library/os- ecgui1/
>> And: https://bugs.eclipse.org/bugs/show_bug.cgi?id=49497
>>
>> Hope this helps,
>> - Jeff
>>
>>
>> J. Michael Dean wrote:
>>> Is there a tutorial concerning Jface viewers, such as a TreeViewer, NOT
>>> in a
>>> plugin? Or is this impossible? Thank you.
>>>
>
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