XStudio/TreeStateSaver.xcsm at master · ixlang/XStudio · GitHub

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//xlang Source, Name:TreeStateSaver.xcsm
//Date: Tue Nov 16:38:29 2019

class TreeStateSaver{

    public static JsonNode saveState(@NotNilptr QTreeWidget tree, long parent){
        JsonArray jsonitem = new JsonArray();

        long [] items;

        if (parent == 0){
            items = tree.getTopItems();
        }else{
            items = tree.getItemChildren(parent);
        }

        if (items != nilptr){
            for (int i = 0; i < items.length; i++){
                JsonObject item = new JsonObject();
                item.put("label", tree.getItemText(items[i], 0));
                item.put("value", tree.getItemText(items[i], 2));
                bool isExp = tree.isItemExpand(items[i]);
                item.put("exp",isExp);
                if (isExp){
                    item.put("child", saveState(tree, items[i]));
                }
                jsonitem.put(item);
            }
        }
        return jsonitem;
    }


};