Bug 108102 [Viewers] Project expands in wrong working set
I am using "Show->Working Sets" in the package explorer. Some of the working sets contain the same project: Working Set-1: - Project-A - Project-B - Project-C Working Set-2: - Project-B - Project-C - Project-D If I now double-click "Working Set-1.Project-B" "Project-B" in working set "Working Set-2" will be expanded. If the working set "Working Set-2" itself is not expanded it will seem as if nothing happens, but after expanding "Working Set-2" one can see the changed state of the project. Double-clicking "Working Set-2.Project-B" works as expected.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
} else {
            
            removeAll = true;
            addDummy = needsPlus;
            
            setExpanded(item, false);
        }
        if (removeAll) {
            
            Item[] items = getItems(item);
            for (int i = 0; i < items.length; i++) {
                if (items[i].getData() != null) {
					disassociate(items[i]);
				}
                items[i].dispose();
            }
        }
        if (addDummy) {
			newItem(item, SWT.NULL, -1); 
		}
    }
    /**
     * Gets the expanded elements that are visible to the user. An expanded
     * element is only visible if the parent is expanded.
     * 
     * @return the visible expanded elements
     * @since 2.0
     */
    public Object[] getVisibleExpandedElements() {
        ArrayList v = new ArrayList();