TreeLayoutUtil.java 文件源码

public static void setTreeNodesPositionAnnotation(List<View> viewElements) {
    if (viewElements != null) {
        for (int index = 0; index < viewElements.size(); index++) {
            final View view = viewElements.get(index);
            EAnnotation xmiIdAnnotation = view
                    .getEAnnotation(TREE_LAYOUT_ANNOTATION);
            if (xmiIdAnnotation == null) {
                xmiIdAnnotation = EcoreFactory.eINSTANCE
                        .createEAnnotation();
                xmiIdAnnotation.setSource(TREE_LAYOUT_ANNOTATION);
            }
            xmiIdAnnotation.getDetails().put(TREE_NODE_POSITION,
                    Integer.toString(index));
            xmiIdAnnotation.setEModelElement(view);
        }
    }
}