org.eclipse.ui.preferences.IWorkingCopyManager#getWorkingCopy ( )源码实例Demo

public static void addChangeListener(IScopeContext context, IWorkingCopyManager manager, 
                                     String qualifier, IPreferenceChangeListener listener) 
{
    IEclipsePreferences node= context.getNode(qualifier);
    if (manager != null) {
        node =  manager.getWorkingCopy(node);
    }
    node.addPreferenceChangeListener(listener);
}
 

public static void removeChangeListener(IScopeContext context, IWorkingCopyManager manager, 
                                        String qualifier, IPreferenceChangeListener listener) 
{
    IEclipsePreferences node= context.getNode(qualifier);
    if (manager != null) {
        node =  manager.getWorkingCopy(node);
    }
    node.removePreferenceChangeListener(listener);
}
 

private IEclipsePreferences getNode(IScopeContext context, IWorkingCopyManager manager) {
    IEclipsePreferences node= context.getNode(fQualifier);
    if (manager != null) {
        return manager.getWorkingCopy(node);
    }
    return node;
}
 

private IEclipsePreferences getNode(IScopeContext context, IWorkingCopyManager manager) {
	IEclipsePreferences node = context.getNode(fQualifier);
	if (manager != null) {
		return manager.getWorkingCopy(node);
	}
	return node;
}
 

private IEclipsePreferences getNode(IScopeContext context, IWorkingCopyManager manager)
{
	IEclipsePreferences node = context.getNode(fQualifier);
	if (manager != null)
	{
		return manager.getWorkingCopy(node);
	}
	return node;
}
 

private IEclipsePreferences getNode(IScopeContext context, IWorkingCopyManager manager) {
	IEclipsePreferences node= context.getNode(fQualifier);
	if (manager != null) {
		return manager.getWorkingCopy(node);
	}
	return node;
}