// pipeline-app 首页 TabPanel 动态 tab 支持
// 由 HTML shell 自动加载（configuredServer.get_js_files 收集 wwwroot 下 .js）
(function(){
    if (typeof bricks === 'undefined' || !bricks.TabPanel) return;
    if (bricks.TabPanel.prototype._dyn_patched) return;
    bricks.TabPanel.prototype._dyn_patched = true;

    // 动态打开 tab：已存在则切换，不存在则新增
    bricks.TabPanel.prototype.open_tab = async function(desc){
        if (this.content_buffer.hasOwnProperty(desc.name)){
            if (desc.name !== this.cur_tab_name){
                this.cur_tab_name = desc.name;
                this.switch_content(this.content_buffer[desc.name]);
                if (this.toolbar && this.toolbar.click) this.toolbar.click(desc.name);
            }
            return;
        }
        desc.content = desc.content || {"widgettype":"urlwidget","options":{"url":desc.url}};
        this.opts.items.push(desc);
        if (this.add_tab) this.add_tab(desc);
        var w = await bricks.widgetBuild(desc.content, this, {});
        if (!w) return;
        this.content_buffer[desc.name] = w;
        this.cur_tab_name = desc.name;
        this.switch_content(w);
    };

    // 修复 show_tabcontent 的 bug（cur_tab_name 赋值用了未定义变量 name）
    bricks.TabPanel.prototype.show_tabcontent = async function(event){
        var tdesc = event.params;
        if (tdesc.name === this.cur_tab_name) return;
        var items = this.opts.items;
        for (var i=0;i<items.length;i++){
            if (tdesc.name === items[i].name){
                var w = this.content_buffer[tdesc.name];
                if (!w){
                    var c = items[i].content || {"widgettype":"urlwidget","options":{"url":items[i].url}};
                    w = await bricks.widgetBuild(c, this, {});
                    if (w) this.content_buffer[tdesc.name] = w;
                }
                if (w){ this.cur_tab_name = tdesc.name; this.switch_content(w); }
                return;
            }
        }
    };
})();