Fixed #21 - IllegalStateException when closing SCViewer

This commit is contained in:
Brita Keller 2019-12-18 17:16:20 +01:00
parent 7b2db09585
commit c7c1f97b0c
1 changed files with 8 additions and 3 deletions

View File

@ -60,6 +60,7 @@ import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
@ -373,9 +374,13 @@ public class DesignBrowser {
waveformViewerPart.addDisposeListener( new DisposeListener() {
@Override
public void widgetDisposed(DisposeEvent e) {
// reset tree- and tableviewer
resetTreeViewer();
}
Control control = treeViewer.getControl();
// check if widget is already disposed (f.ex. because of workbench closing)
if (control == null || control.isDisposed()) { //if so: do nothing
}else { //reset tree- and tableviewer
resetTreeViewer();
}
}
} );
}
this.waveformViewerPart=waveformViewerPart;