Bug 73769 [Dialogs] Open Resource dialog has OK enabled when entry invalid
3.0.1 RC2 - Ctrl+Shift+R - type: WorkbenchWino (note the missing d) and hit Enter - the dialog is dismissed with no action Should disable OK if there is no match.
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/ResourceListSelectionDialog.java
}
        }
        final ArrayList resources = new ArrayList();
        BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {
            public void run() {
                getMatchingResources(resources);
                IResource resourcesArray[] = new IResource[resources.size()];
                resources.toArray(resourcesArray);
                initDescriptors(resourcesArray);
            }
        });
        updateGatherThread.firstMatch = 0;
        updateGatherThread.lastMatch = descriptorsSize - 1;
        updateGatherThread.start();
    }
    /**
     * Return an image for a resource descriptor.
     * 
     * @param desc resource descriptor to return image for
     * @return an image for a resource descriptor.
     */
    private Image getImage(ResourceDescriptor desc) {
        IResource r = (IResource) desc.resources.get(0);
        return labelProvider.getImage(r);
    }
    /**
     * Use a binary search to get the last match for the patternString.
     * This method assumes the patternString does not contain any '?' 
     * characters and that it contains only one '*' character at the end
     * of the string.