Laya 实现带有子菜单的List之母项子项通用

Laya 实现带有子菜单的List之母项子项通用

@ixenos 2020-11-02 12:20:53

气死我了，上才艺

        private function listCateToggle(index:int):void{
            var dat:* = lui.listCate.getItem(index);
            if(dat){
                var allArr:Array = lui.listCate.array;
                if(dat["open"]){
                    dat["open"] = false;
                    var clearBuffer:Array = [];
                    for (var k:int = 0; k < allArr.length; k++) {
                        var aDat:* = allArr[k];
                        if(aDat["open_parent"]==dat){
                            clearBuffer.push(aDat);
                        }
                    }
                    allArr.splice(index+1,clearBuffer.length);
                    lui.listCate.array = allArr;
                }else{
                    var lo:StageChapterSettingLO = dat;
                    if(lo){
                        var sloArr:Array = StageData.ins.getChapterStageLOs(lo.id);
                        if(sloArr && sloArr.length>0){
                            //数据处理，将其三等分成二维数组
                            var dvide:int = Math.ceil(sloArr.length/3);
                            var fragsArr:Array = [];
                            for (var i:int = 0; i < dvide; i++) {
                                var frags:Array = [];
                                for (var j:int = i*3; j < i*3+3; j++) {
                                    if(sloArr[j]){
                                        frags.push(sloArr[j]);
                                    }
                                }
                                frags["open_parent"] = dat;
                                fragsArr[i] = frags;
                            }
                            
                            dat["open"] = true;
                            var param:Array = [index+1,0].concat(fragsArr);
                            allArr.splice.apply(allArr, param);
                            lui.listCate.array = allArr;
                        }
                    }
                }
            }
        }

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