src/main/java/org/efaps/ui/wicket/models/objects/UIWizardObject.java
public void insertBefore(final IWizardElement _element)
    {
        int i = 0;
        for (final IWizardElement uiObject : this.elements) {
            if (uiObject == this.current) {
                this.elements.add(i, _element);
                break;
            }
            i++;
        }
    }
public void insertBefore(final IWizardElement _element)
    {
        int i = 0;
        for (final IWizardElement uiObject : this.elements) {
            if (uiObject == this.current) {
                this.elements.add(i, _element);
                break;
            }
            i++;
        }
    }
Insert a UIObject before the current one.

@param _element Object to insert