Bug 88863 [Preferences] PreferencesLinkArea should be API
We need to make the preferences link area API.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/IDEWorkspacePreferencePage.java
long oldSaveInterval = description.getSnapshotInterval() / 60000;
        long newSaveInterval = new Long(saveInterval.getStringValue())
                .longValue();
        if (oldSaveInterval != newSaveInterval) {
            try {
                description.setSnapshotInterval(newSaveInterval * 60000);
                ResourcesPlugin.getWorkspace().setDescription(description);
                store.firePropertyChangeEvent(
                        IDEInternalPreferences.SAVE_INTERVAL, new Integer(
                                (int) oldSaveInterval), new Integer(
                                (int) newSaveInterval));
            } catch (CoreException e) {
                IDEWorkbenchPlugin.log(
                        "Error changing save interval preference", e 
                                .getStatus());
            }
        }
        
        Preferences preferences = ResourcesPlugin.getPlugin()
                .getPluginPreferences();
        boolean autoRefresh = autoRefreshButton.getSelection();
        preferences.setValue(ResourcesPlugin.PREF_AUTO_REFRESH, autoRefresh);
        
        return super.performOk();
    }
}