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Code Issues Wiki Activity

[183176] Fix "widget is disposed" during Platform shutdown

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This commit is contained in:
Martin Oberhuber 2007-09-12 21:32:19 +00:00
parent 2b22909214
commit d29d26279d
2 changed files with 41 additions and 19 deletions
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1
rse/plugins/org.eclipse.rse.ui/.options Normal file
View file

@ -0,0 +1 @@
org.eclipse.rse.ui/debug = true

59
rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/internal/ui/view/SystemView.java
View file

@ -40,6 +40,7 @@
* Kevin Doyle (IBM) - [198576] Renaming a folder directly under a Filter doesn't update children * Kevin Doyle (IBM) - [198576] Renaming a folder directly under a Filter doesn't update children
* Kevin Doyle (IBM) - [196582] Deprecated getRemoteObjectIdentifier * Kevin Doyle (IBM) - [196582] Deprecated getRemoteObjectIdentifier
* Martin Oberhuber (Wind River) - [198650] Fix assertion when restoring workbench state * Martin Oberhuber (Wind River) - [198650] Fix assertion when restoring workbench state
* Martin Oberhuber (Wind River) - [183176] Fix "widget is disposed" during Platform shutdown
********************************************************************************/ ********************************************************************************/
package org.eclipse.rse.internal.ui.view; package org.eclipse.rse.internal.ui.view;
@ -55,6 +56,7 @@ import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job; import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.ActionContributionItem; import org.eclipse.jface.action.ActionContributionItem;
@ -1153,12 +1155,11 @@ public class SystemView extends SafeTreeViewer
* Convenience method for returning the shell of this viewer. * Convenience method for returning the shell of this viewer.
*/ */
public Shell getShell() { public Shell getShell() {
////getShell() can lead to "widget is disposed" errors, but avoiding them here does not really help //getShell() can lead to "widget is disposed" errors, but avoiding them here does not really help
//if (!getTree().isDisposed()) { if (!getTree().isDisposed()) {
// return getTree().getShell(); return getTree().getShell();
//} }
//return shell; return shell;
return getTree().getShell();
} }
/** /**
@ -1620,22 +1621,38 @@ public class SystemView extends SafeTreeViewer
* Called when something changes in the model * Called when something changes in the model
*/ */
public void systemResourceChanged(ISystemResourceChangeEvent event) { public void systemResourceChanged(ISystemResourceChangeEvent event) {
ResourceChangedJob job = new ResourceChangedJob(event, this); if (!getControl().isDisposed()) {
job.setPriority(Job.INTERACTIVE); ResourceChangedJob job = new ResourceChangedJob(event, this);
//job.setUser(true); job.setPriority(Job.INTERACTIVE);
job.schedule(); //job.setUser(true);
/* job.schedule();
Display display = Display.getCurrent(); /*
try { Display display = Display.getCurrent();
while (job.getResult() == null) { try {
while (display != null && display.readAndDispatch()) { while (job.getResult() == null) {
//Process everything on event queue while (display != null && display.readAndDispatch()) {
//Process everything on event queue
}
if (job.getResult() == null) Thread.sleep(200);
} }
if (job.getResult() == null) Thread.sleep(200); } catch (InterruptedException e) {
}
*/
} else {
trace("resource changed while shutting down"); //$NON-NLS-1$
}
}
public void trace(String str) {
String id = RSEUIPlugin.getDefault().getBundle().getSymbolicName();
String val = Platform.getDebugOption(id + "/debug"); //$NON-NLS-1$
if ("true".equals(val)) { //$NON-NLS-1$
try {
throw new IllegalStateException(str);
} catch(IllegalStateException e) {
e.printStackTrace();
} }
} catch (InterruptedException e) {
} }
*/
} }
/** /**
@ -1657,6 +1674,10 @@ public class SystemView extends SafeTreeViewer
} }
public IStatus runInUIThread(IProgressMonitor monitor) { public IStatus runInUIThread(IProgressMonitor monitor) {
if (getControl().isDisposed()) {
trace("SystemView: refresh after disposed"); //$NON-NLS-1$
return Status.CANCEL_STATUS;
}
int type = _event.getType(); int type = _event.getType();
Object src = _event.getSource(); Object src = _event.getSource();
Object parent = _event.getParent(); Object parent = _event.getParent();