idioms/idiom/temp/programming/packer-driver/targets/preview/chunks/08/08ba4751e7c5800eec3c9b3663921ed7b92e974b.js

System.register(["__unresolved_0", "cc", "__unresolved_1"], function (_export, _context) {
  "use strict";

  var _reporterNs, _cclegacy, __checkObsolete__, __checkObsoleteInNamespace__, Node, Component, instantiate, v3, v2, size, Tween, tween, UITransform, sys, UIRenderer, RenderAlternative, ShowNode, ItemCell, LoopList, _crd;

  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

  function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

  /**
   * 获取节点的边缘
   * @param cell 
   * @param needArr 顺序是上 下 左 右
   */
  function getNodeBorder(cell, needArr) {
    var borderData = {};
    var wpos = cell.node.worldPosition.clone(); //显示区域上边缘

    if (needArr[0]) {
      borderData.topSide = wpos.y + cell.uiTrans.height * (1 - cell.uiTrans.anchorY);
    } //显示区域下边缘


    if (needArr[1]) {
      borderData.bottomSide = wpos.y - cell.uiTrans.height * cell.uiTrans.anchorY;
    } //显示区域左边缘


    if (needArr[2]) {
      borderData.leftSide = wpos.x - cell.uiTrans.width * cell.uiTrans.anchorX;
    } //显示区域右边缘


    if (needArr[3]) {
      borderData.rightSide = wpos.x + cell.uiTrans.width * (1 - cell.uiTrans.anchorX);
    }

    borderData.size = size(cell.uiTrans.width, cell.uiTrans.height);
    return borderData;
  }

  function _reportPossibleCrUseOfRenderAlternative(extras) {
    _reporterNs.report("RenderAlternative", "./RenderAlternative", _context.meta, extras);
  }

  _export({
    ShowNode: void 0,
    ItemCell: void 0,
    default: void 0
  });

  return {
    setters: [function (_unresolved_) {
      _reporterNs = _unresolved_;
    }, function (_cc) {
      _cclegacy = _cc.cclegacy;
      __checkObsolete__ = _cc.__checkObsolete__;
      __checkObsoleteInNamespace__ = _cc.__checkObsoleteInNamespace__;
      Node = _cc.Node;
      Component = _cc.Component;
      instantiate = _cc.instantiate;
      v3 = _cc.v3;
      v2 = _cc.v2;
      size = _cc.size;
      Tween = _cc.Tween;
      tween = _cc.tween;
      UITransform = _cc.UITransform;
      sys = _cc.sys;
      UIRenderer = _cc.UIRenderer;
    }, function (_unresolved_2) {
      RenderAlternative = _unresolved_2.default;
    }],
    execute: function () {
      _crd = true;

      _cclegacy._RF.push({}, "eb0f0XLY1pHG4T0p8KqFdV/", "LoopList", undefined);

      __checkObsolete__(['Node', 'Component', 'Vec2', 'Size', 'Prefab', 'instantiate', 'v3', 'ScrollView', 'v2', 'size', 'Tween', 'tween', 'UITransform', 'Vec3', 'sys', 'UIRenderer']);

      /**边缘 */
      _export("ShowNode", ShowNode = class ShowNode extends Component {
        constructor() {
          super(...arguments);
          this.hasInit = false;

          /**渲染分层开启的挂载节点 */
          this.renderLayer = void 0;

          /**上级的cell */
          this.cell = void 0;

          /**数据 */
          this.data = void 0;
        }

        /**初始化 */
        init(cell, data, renderLayer) {
          this.cell = cell;
          this.data = data;

          if (this.renderLayer != renderLayer) {
            this.renderLayer = renderLayer;
            renderLayer && this.initRenders();
          }

          this.initShow();
        }
        /**初始化操作 */


        initShow() {}
        /**被回收，应该做一些释放的操作 */


        onRecircle() {}
        /**
         * 在特定时间内进行大小变化
         * @param targetSize 
         * @param time 
         */


        resize(targetSize, time) {
          if (time === void 0) {
            time = 0.3;
          }

          this.cell.resize(targetSize, time);
        }
        /**
         * 处理分层代理渲染
         */


        initRenders() {
          if (!this.hasInit && this.renderLayer) {
            var propMap = new WeakMap();
            var keys = Object.keys(this);

            for (var i = 0, len = keys.length; i < len; ++i) {
              var value = this[keys[i]];
              var alternative = null;

              if (value instanceof Node) {
                alternative = value.getComponent(_crd && RenderAlternative === void 0 ? (_reportPossibleCrUseOfRenderAlternative({
                  error: Error()
                }), RenderAlternative) : RenderAlternative);

                if (alternative) {
                  alternative.init(this.renderLayer);
                }
              } else if (value instanceof UIRenderer) {
                alternative = value.getComponent(_crd && RenderAlternative === void 0 ? (_reportPossibleCrUseOfRenderAlternative({
                  error: Error()
                }), RenderAlternative) : RenderAlternative);

                if (alternative) {
                  this[keys[i]] = alternative.init(this.renderLayer);
                }
              }

              alternative && propMap.set(alternative, true);
            }

            this.dealChilrenAlternative(this.node, propMap, 0, 0);
            this.hasInit = true;
          }
        }
        /**
         * 处理子节点代理
         * @param node 
         * @param propMap 记录脚本已经处理过的属性代理
         * @param parentSindex 父节点的所在的顺序
         * @param depth 深度
         */


        dealChilrenAlternative(node, propMap, parentSindex, depth) {
          for (var i = 0, len = node.children.length; i < len; i++) {
            var _children$getComponen;

            var children = node.children[i];
            var alternative = (_children$getComponen = children.getComponent(UIRenderer)) == null ? void 0 : _children$getComponen.getComponent(_crd && RenderAlternative === void 0 ? (_reportPossibleCrUseOfRenderAlternative({
              error: Error()
            }), RenderAlternative) : RenderAlternative);
            var sIndex = parentSindex + i * Math.pow(0.1, depth);

            if (alternative) {
              if (!propMap.has(alternative) || !propMap.get(alternative)) {
                alternative.init(this.renderLayer);
              }

              alternative.sIndex = sIndex;
            }

            this.dealChilrenAlternative(children, propMap, sIndex, depth + 1);
          }
        }

      });

      _export("ItemCell", ItemCell = class ItemCell {
        /**
         * 构造函数
         * @param node 
         * @param looplist 
         */
        constructor(node, looplist) {
          /**持有cell的list */
          this.looplist = null;

          /**大小处理 */
          this.uiTrans = null;

          /**位置节点 */
          this.node = null;

          /**显示节点 */
          this.showNode = null;

          /**数据下标 */
          this.dataIndex = null;

          /**cell下标 */
          this.cellIndex = null;

          /**尺寸 */
          this.size = null;

          /**数据 */
          this.data = null;
          this.node = node;
          this.looplist = looplist;
        }
        /**
         * 初始化
         * @param node 节点
         * @param data 数据
         * @param size 大小
         * @param dataIndex 数据下标
         * @param cellIndex 节点下标
         * @param looplist 挂载的列表
         */


        init(data, size, dataIndex, cellIndex) {
          Tween.stopAllByTarget(this.node);
          this.cellIndex = cellIndex;
          this.dataIndex = dataIndex;
          !this.uiTrans && (this.uiTrans = this.node.getComponent(UITransform));
          this.uiTrans.width = size.width;
          this.uiTrans.height = size.height;
          this.data = data;
          this.size = size;
        }
        /**
         * 重置大小
         * @param newSize 
         * @param time 
         */


        resize(newSize, time) {
          var nodeSides = getNodeBorder(this, [true, true, true, true]);
          var changeSize = size(newSize.width - this.size.width, newSize.height - this.size.height);
          this.size = newSize;
          this.looplist.dealChangeSize(this, nodeSides, changeSize, time).then(() => {
            this.uiTrans.width = newSize.width;
            this.uiTrans.height = newSize.height;
            this.looplist.updateNodes();
          });
        }
        /**
         * 
         * 更新节点显示
         * @param isShow 是否显示
         * @param prefab 需要显示的节点的预制件（也可以是节点，或者预制件url,生成方式自由改动）
         * @param cacheNode 对象池中的显示节点
         * @param renderLayer 分层节点
         */


        updateShow(isShow, prefab, cacheNode, renderLayer) {
          if (isShow) {
            //当前没有显示节点
            if (!this.showNode) {
              //如果是临时对象池还有节点则重用
              if (cacheNode) {
                this.showNode = cacheNode;
              } else {
                //否则使用传入的预制件进行生成
                this.showNode = instantiate(prefab).getComponent(ShowNode);
              }

              this.showNode.node.setParent(this.node);
              this.showNode.node.position = v3();
              this.updateShowNode(renderLayer);
            }
          }
        }
        /**
         * 更新showNode节点显示
         * @param renderLayer 
         */


        updateShowNode(renderLayer) {
          //当前有显示节点
          if (this.showNode) {
            this.showNode.init(this, this.data, renderLayer);
          }
        }
        /**是否有显示节点 */


        get hasNoNode() {
          return !this.showNode;
        }
        /**回收显示节点 */


        recircle() {
          if (this.showNode) {
            var node = this.showNode;
            this.showNode.cell = null;
            this.showNode.onRecircle();
            this.showNode.node.removeFromParent();
            this.showNode = null;
            return node;
          }
        }

        destroy() {
          this.node.destroy();
          this.node = null;
          this.uiTrans = null;
          this.looplist = null;
        }
        /**
         * 失去显示节点
         * @returns 
         */


        lostShowNode() {
          if (this.showNode) {
            var node = this.showNode;
            this.showNode.cell = null;
            this.showNode.node.removeFromParent();
            this.showNode = null;
            return node;
          }
        }
        /**
         * 获取显示节点
         * @param showNode 
         */


        getShowNode(showNode) {
          this.showNode = showNode;
          showNode.node.setParent(this.node);
          this.showNode.cell = this;
        }

      });
      /**
       * 目前列表注意事项
       * 1.开启cellMaxNum后不能一行多列或者一列多行，只能单行或者单列
       */


      _export("default", LoopList = class LoopList {
        constructor() {
          /**分层节点（只有在showNode中挂载了RenderAlternative才能起作用） */
          this.renderLayer = null;

          /**滚动组件 */
          this.scrollView = null;

          /**cell节点最大数量 */
          this.cellMaxNum = null;

          /**当前起点 */
          this.curStartIndex = null;

          /**容器的ui控件 */
          this.contentUiTrans = null;

          /**数据 */
          this.datas = [];

          /**item节点们 */
          this.itemCells = [];

          /**预制件 */
          this.prefab = null;

          /**显示节点的池子 */
          this.showNodePool = [];

          /**边缘数据 */
          this.viewSides = {};

          /**上一帧滚动容器的坐标 */
          this.lastPos = null;

          /**刷新显示的间隔次数 */
          this.updateInv = 0;

          /**循环切换的最后一次时间 */
          this.lastChange = 0;

          /**通用尺寸 */
          this.size = null;

          /**通用锚点 */
          this.anchor = null;
        }

        static ins(listName) {
          if (!this.insMap.has(listName)) {
            this.insMap.set(listName, new LoopList());
          }

          return this.insMap.get(listName);
        }

        /**
         * 更新边界
         */
        updateBorder() {
          this.contentUiTrans = this.scrollView.content.getComponent(UITransform);
          var view = this.scrollView.view;
          view.anchorX = this.contentUiTrans.anchorX;
          view.anchorY = this.contentUiTrans.anchorY; //修改锚点之后下一帧世界坐标才会更新，没办法只能等一帧了

          return new Promise((resolve, reject) => {
            requestAnimationFrame(() => {
              var wpos = view.node.worldPosition.clone(); //显示区域左边缘

              var leftSide = wpos.x - view.width * view.anchorX; //显示区域右边缘

              var rightSide = wpos.x + view.width * (1 - view.anchorX); //显示区域下边缘

              var bottomSide = wpos.y - view.height * view.anchorY; //显示区域上边缘

              var topSide = wpos.y + view.height * (1 - view.anchorY);
              this.viewSides = {
                leftSide,
                rightSide,
                bottomSide,
                topSide,
                size: size(view.width, view.height)
              };
              this.contentUiTrans.node.setPosition(v3(0, 0));
              resolve();
            });
          });
        }
        /**
         * 初始化滚动列表* 
         * @param scrollView 
         * @param renderLayer 渲染分层的父节点，如果传入则可以配合showNode上的renderAlternative来进行渲染分层
         * @param cellMaxNum cell节点的最大数量,设置成null则不启用，启用的话，要设置成（可视窗刚好能显示的最大数量*2）+2，假设最多能看到10个节点，那么设置成22
         */


        init(scrollView, renderLayer, cellMaxNum) {
          var _this = this;

          return _asyncToGenerator(function* () {
            cellMaxNum && (_this.cellMaxNum = cellMaxNum);
            renderLayer && (_this.renderLayer = renderLayer);
            _this.scrollView = scrollView;
            yield _this.updateBorder();

            _this.scrollView.node.on("scrolling", _this.scrollingListener, _this);
          })();
        }
        /**滚动监听 */


        scrollingListener() {
          this.updateInv--;

          if (this.updateInv <= 0) {
            this.updateInv = 2;
            var showCells = this.updateNodes();

            if (!this.cellMaxNum) {
              return;
            }

            if (!this.lastPos) {
              this.lastPos = this.scrollView.content.position.clone();
            } else {
              var offset = this.scrollView.content.position.clone().subtract(this.lastPos);
              this.lastPos = this.scrollView.content.position.clone();
              var now = sys.now();

              if (!this.lastChange || now - this.lastChange > 1) {
                this.lastChange = now;
                this.dealLoopList(offset, showCells);
              }
            }
          }
        }
        /**
         * 初始化
         * @param data 数据组
         * @param prefab 预制件
         * @param size 通用尺寸
         * @param anchor cell的锚点
         */


        initData(data, prefab, size, anchor) {
          if (anchor === void 0) {
            anchor = v2(0.5, 0.5);
          }

          this.datas = data;
          this.size = size;
          this.anchor = anchor;
          this.prefab = prefab;
          var len = this.cellMaxNum ? this.cellMaxNum : data.length;

          for (var i = 0; i < len; ++i) {
            var _data = this.datas[this.curStartIndex + i];
            var cellSize = _data.size ? _data.size : size;
            var itemCell = this.itemCells[i];

            if (!itemCell) {
              var node = new Node('LoopListCell');
              var uiTrans = node.addComponent(UITransform);
              itemCell = this.itemCells[i] = new ItemCell(node, this);
              uiTrans.setAnchorPoint(anchor);
              node.setParent(this.scrollView.content);
            }

            itemCell.init(_data, cellSize, this.curStartIndex + i, i);
          }

          for (var _i = data.length, _len = this.itemCells.length; _i < _len; ++_i) {
            this.recircleShowNode(this.itemCells[_i].recircle());

            this.itemCells[_i].destroy();

            this.itemCells[_i] = null;
          }

          requestAnimationFrame(() => {
            this.updateNodes();
          });
        }
        /**
         * 压入新的数据
         * @param datas 
         */


        pushDatas(datas) {
          var length = this.datas.length;

          for (var i = 0, len = datas.length; i < len; ++i) {
            var data = datas[i];
            this.datas.push(data);
            var index = length + i;
            this.addNodeFromIndex(index);
          }
        }
        /**
         * 插入新的数据
         * @param data 
         * @param insertIndex 
         */


        insertData(data, insertIndex) {
          if (this.datas.length >= insertIndex) {
            this.datas.splice(insertIndex, 0, data);
            this.addNodeFromIndex(insertIndex);
          } else {
            this.pushDatas([data]);
          }
        }
        /**
         * 移除对应数据
         * @param removeIndex 
         */


        removeData(removeIndex) {
          if (this.datas.length >= removeIndex) {
            this.datas.splice(removeIndex, 1);

            if (this.cellMaxNum) {
              var cellIndex = removeIndex - this.curStartIndex; //在使用范围内

              if (cellIndex >= 0 && cellIndex < this.cellMaxNum) {
                var itemCell = this.itemCells[cellIndex];
                var nodeSides = getNodeBorder(itemCell, [true, true, true, true]);
                var changeSize = size(-itemCell.size.width, -itemCell.size.height);
                itemCell.size = size(0, 0);
                this.dealChangeSize(itemCell, nodeSides, changeSize).then(() => {
                  //更新数据
                  for (var i = cellIndex; i < this.cellMaxNum; i++) {
                    var curDataIndex = this.curStartIndex + i;
                    var curData = this.datas[curDataIndex];
                    var curCellSize = curData.size ? curData.size : this.size;
                    this.itemCells[i].init(curData, curCellSize, curDataIndex, i);
                    this.itemCells[i].updateShowNode(this.renderLayer);
                  }
                });
              }
            } else {
              var _itemCell = this.itemCells.splice(removeIndex, 1)[0];

              var _nodeSides = getNodeBorder(_itemCell, [true, true, true, true]);

              var _changeSize = size(-_itemCell.size.width, -_itemCell.size.height);

              _itemCell.size = size(0, 0);
              this.dealChangeSize(_itemCell, _nodeSides, _changeSize).then(() => {
                this.recircleShowNode(_itemCell.recircle());

                _itemCell.node.destroy();
              });
            }
          }
        }
        /**
         * 从某个数据开始更新
         * @param dataIndex 
         */


        addNodeFromIndex(dataIndex) {
          var _this2 = this;

          return _asyncToGenerator(function* () {
            var data = _this2.datas[dataIndex];
            var cellSize = data.size ? data.size : _this2.size; //是否开启cell循环

            if (_this2.cellMaxNum) {
              var cellIndex = dataIndex - _this2.curStartIndex; //在使用范围内

              if (cellIndex >= 0 && cellIndex < _this2.cellMaxNum) {
                //更新数据
                for (var i = cellIndex; i < _this2.cellMaxNum; i++) {
                  var curDataIndex = _this2.curStartIndex + i;
                  var curData = _this2.datas[curDataIndex];
                  var curCellSize = curData.size ? curData.size : _this2.size;

                  _this2.itemCells[i].init(curData, curCellSize, curDataIndex, i);

                  _this2.itemCells[i].updateShowNode(_this2.renderLayer);
                } //获取当前的位置


                var nodeSides = null;
                var itemCell = _this2.itemCells[cellIndex];

                if (itemCell) {
                  nodeSides = getNodeBorder(itemCell, [true, true, true, true]);
                  itemCell.uiTrans.width = 0;
                  itemCell.uiTrans.height = 0;

                  _this2.dealChangeSize(itemCell, nodeSides, cellSize).then(() => {
                    itemCell.uiTrans.width = cellSize.width;
                    itemCell.uiTrans.height = cellSize.height;
                  });
                }
              }
            } else {
              //获取当前的位置
              var _nodeSides2 = null;

              if (_this2.itemCells[dataIndex]) {
                _nodeSides2 = getNodeBorder(_this2.itemCells[dataIndex], [true, true, true, true]);
              }

              var node = new Node('LoopListCell');
              var uiTrans = node.addComponent(UITransform);
              uiTrans.setAnchorPoint(_this2.anchor);
              node.setParent(_this2.scrollView.content);
              node.setSiblingIndex(dataIndex);

              var _itemCell2 = new ItemCell(node, _this2);

              _this2.itemCells.splice(dataIndex, 0, _itemCell2);

              _itemCell2.init(data, cellSize, dataIndex, dataIndex);

              if (!_nodeSides2) {
                yield new Promise((resolve, reject) => {
                  requestAnimationFrame(() => {
                    _nodeSides2 = getNodeBorder(_itemCell2, [true, true, true, true]);
                    resolve();
                  });
                });
              }

              if (_nodeSides2) {
                _itemCell2.uiTrans.width = 0;
                _itemCell2.uiTrans.height = 0;

                _this2.dealChangeSize(_itemCell2, _nodeSides2, cellSize).then(() => {
                  _itemCell2.uiTrans.width = cellSize.width;
                  _itemCell2.uiTrans.height = cellSize.height;
                });
              }

              _this2.dealItemShow(_itemCell2);
            }
          })();
        }
        /**
         * 处理列表的循环利用
         * @param offset 
         * @param dataIndexs 
         */


        dealLoopList(offset, showCells) {
          var startCell = showCells[0];
          var endCell = showCells[showCells.length - 1];

          if (this.scrollView.vertical) {
            /**内容上移 */
            if (offset.y > 0) {
              //已经到达最后倒数第二个节点并且还有数据
              if (this.scrollView.content.position.y >= -this.itemCells[this.itemCells.length - 2].node.position.y - this.viewSides.size.height && endCell.dataIndex < this.datas.length - 2) {
                //显示开始数据下标(这里-1是想要顶部留一个itemcell做缓冲)
                var showStart = startCell.dataIndex - 1; //剩余可展示的数据量 

                var leave = this.datas.length - showStart; //计算应该从那个位置开始重新赋值，因为如果直接移动到最上方，数据量不够覆盖所有的cell

                var cellStartIndex = Math.max(0, this.itemCells.length - leave); //计算第一个cell的数据下标

                this.curStartIndex = showStart - cellStartIndex;
                var cellTop = getNodeBorder(this.itemCells[startCell.cellIndex], [true]).topSide;
                var contentHeight = 0;
                var targetY = 0;
                var jumpFirst = true;
                var showIndex = 0;

                for (var i = 0, len = this.itemCells.length; i < len; ++i) {
                  if (i >= cellStartIndex) {
                    //将当前已经显示的showNode节点直接重新设置到移动后的节点上
                    if (showIndex < showCells.length && !jumpFirst) {
                      if (showIndex == 0) {
                        targetY = contentHeight;
                      }

                      var showNode = showCells[showIndex].lostShowNode();
                      showIndex++;
                      this.itemCells[i].getShowNode(showNode);
                    }

                    jumpFirst = false;
                  }

                  var dataIndex = this.curStartIndex + i;
                  var data = this.datas[dataIndex];
                  var cellSize = data.size ? data.size : this.size;
                  contentHeight += cellSize.height;
                  this.itemCells[i].init(data, cellSize, dataIndex, i);
                } //将content的位置移动到最上方并对齐移动前的状态


                var posY = targetY + (cellTop - this.viewSides.topSide);
                this.scrollView.content.setPosition(v3(this.scrollView.content.position.x, posY));
                this.scrollView.scrollToOffset(v2(0, posY + endCell.size.height), 1);
                this.lastPos = null;
              }
            } //内容下移
            else if (offset.y < 0) {
              //已经到达第二个节点并且还有数据
              if (this.scrollView.content.position.y < -this.itemCells[2].node.position.y && startCell.dataIndex > 2) {
                //展示的最后一个数据下表，+1是为了在底部预留一部分空间
                var showEndIndex = endCell.dataIndex + 1; //计算应该从那个位置开始重新赋值，因为如果直接移动到最下方，数据量不够覆盖所有的cell

                var cellEndIndex = Math.min(this.itemCells.length - 2, showEndIndex - 1); //计算第一个cell的数据下标

                this.curStartIndex = Math.max(showEndIndex - (this.itemCells.length - 1), 0); //将content的位置移动到最下方并对齐移动前的状态

                var _cellTop = getNodeBorder(this.itemCells[Math.max(startCell.cellIndex - 1, 0)], [true]).topSide;
                var _contentHeight = 0;

                var _showIndex = showCells.length - 1;

                for (var _i2 = this.itemCells.length - 1; _i2 >= 0; --_i2) {
                  if (_i2 <= cellEndIndex) {
                    //将当前已经显示的showNode节点直接重新设置到移动后的节点上
                    if (_showIndex >= 0) {
                      var _showNode = showCells[_showIndex].lostShowNode();

                      _showIndex--;

                      this.itemCells[_i2].getShowNode(_showNode);
                    } else {
                      _showIndex--;
                    }
                  }

                  var _dataIndex = this.curStartIndex + _i2;

                  var _data2 = this.datas[_dataIndex];

                  var _cellSize = _data2.size ? _data2.size : this.size;

                  if (_showIndex < -1) {
                    _contentHeight += _cellSize.height;
                  }

                  this.itemCells[_i2].init(_data2, _cellSize, _dataIndex, _i2);
                } //将content的位置移动到最下方并对齐移动前的状态


                var _posY = _contentHeight + (_cellTop - this.viewSides.topSide);

                this.scrollView.content.setPosition(v3(this.scrollView.content.position.x, _posY));
                this.scrollView.scrollToOffset(v2(0, _posY - startCell.size.height), 1);
                this.lastPos = null;
              }
            }
          } else if (this.scrollView.horizontal) {
            if (offset.x < 0) {
              //已经到达最后倒数第二个节点并且还有数据
              if (this.scrollView.content.position.x <= -(this.itemCells[this.itemCells.length - 2].node.position.x - this.viewSides.size.width) && endCell.dataIndex < this.datas.length - 2) {
                //显示开始数据下标(这里-1是想要左侧留一个itemcell做缓冲)
                var _showStart = startCell.dataIndex - 1; //剩余可展示的数据量 


                var _leave = this.datas.length - _showStart; //计算应该从那个位置开始重新赋值，因为如果直接移动到最左侧，数据量不够覆盖所有的cell


                var _cellStartIndex = Math.max(0, this.itemCells.length - _leave); //计算第一个cell的数据下标


                this.curStartIndex = _showStart - _cellStartIndex;
                var cellLeft = getNodeBorder(this.itemCells[startCell.cellIndex], [false, false, true]).leftSide;
                var contentWidth = 0;
                var targetX = 0;
                var _jumpFirst = true;
                var _showIndex2 = 0;

                for (var _i3 = 0, _len2 = this.itemCells.length; _i3 < _len2; ++_i3) {
                  if (_i3 >= _cellStartIndex) {
                    //将当前已经显示的showNode节点直接重新设置到移动后的节点上
                    if (_showIndex2 < showCells.length && !_jumpFirst) {
                      if (_showIndex2 == 0) {
                        targetX = contentWidth;
                      }

                      var _showNode2 = showCells[_showIndex2].lostShowNode();

                      _showIndex2++;

                      this.itemCells[_i3].getShowNode(_showNode2);
                    }

                    _jumpFirst = false;
                  }

                  var _dataIndex2 = this.curStartIndex + _i3;

                  var _data3 = this.datas[_dataIndex2];

                  var _cellSize2 = _data3.size ? _data3.size : this.size;

                  contentWidth += _cellSize2.width;

                  this.itemCells[_i3].init(_data3, _cellSize2, _dataIndex2, _i3);
                } //将content的位置移动到最左侧并对齐移动前的状态


                var posX = cellLeft - this.viewSides.leftSide - targetX;
                this.scrollView.content.setPosition(v3(posX, this.scrollView.content.position.y));
                this.scrollView.scrollToOffset(v2(-(posX - endCell.size.width), 0), 1);
                this.lastPos = null;
              }
            } else if (offset.x > 0) {
              //已经到达第二个节点并且还有数据
              if (this.scrollView.content.position.x > -this.itemCells[2].node.position.x && startCell.dataIndex > 2) {
                //展示的最后一个数据下表，+1是为了在右侧预留一部分空间
                var _showEndIndex = endCell.dataIndex + 1; //计算应该从那个位置开始重新赋值，因为如果直接移动到最右侧，数据量不够覆盖所有的cell


                var _cellEndIndex = Math.min(this.itemCells.length - 2, _showEndIndex - 1); //计算第一个cell的数据下标


                this.curStartIndex = Math.max(_showEndIndex - (this.itemCells.length - 1), 0); //将content的位置移动到最右侧并对齐移动前的状态

                var _cellLeft = getNodeBorder(this.itemCells[Math.max(startCell.cellIndex - 1, 0)], [false, false, true]).leftSide;
                var _contentWidth = 0;

                var _showIndex3 = showCells.length - 1;

                for (var _i4 = this.itemCells.length - 1; _i4 >= 0; --_i4) {
                  if (_i4 <= _cellEndIndex) {
                    //将当前已经显示的showNode节点直接重新设置到移动后的节点上
                    if (_showIndex3 >= 0) {
                      var _showNode3 = showCells[_showIndex3].lostShowNode();

                      _showIndex3--;

                      this.itemCells[_i4].getShowNode(_showNode3);
                    } else {
                      _showIndex3--;
                    }
                  }

                  var _dataIndex3 = this.curStartIndex + _i4;

                  var _data4 = this.datas[_dataIndex3];

                  var _cellSize3 = _data4.size ? _data4.size : this.size;

                  if (_showIndex3 < -1) {
                    _contentWidth += _cellSize3.width;
                  }

                  this.itemCells[_i4].init(_data4, _cellSize3, _dataIndex3, _i4);
                } //将content的位置移动到最右侧并对齐移动前的状态


                var _posX = _cellLeft - this.viewSides.leftSide - _contentWidth;

                this.scrollView.content.setPosition(v3(_posX, this.scrollView.content.position.y));
                this.scrollView.scrollToOffset(v2(-(_posX + startCell.size.width), 0), 1);
                this.lastPos = null;
              }
            }
          }
        }
        /**更新节点的显示 */


        updateNodes() {
          var showCells = [];

          for (var i = 0, len = this.itemCells.length; i < len; ++i) {
            var itemCell = this.itemCells[i];
            var isShow = this.dealItemShow(itemCell);

            if (isShow) {
              showCells.push(itemCell);
            }
          }

          return showCells;
        }
        /**
         * 处理cell的显示隐藏
         * @param itemCell 
         */


        dealItemShow(itemCell) {
          if (itemCell) {
            var isShow = this.checkInView(itemCell);

            if (isShow) {
              itemCell.hasNoNode && itemCell.updateShow(isShow, this.prefab, this.showNodePool.length > 0 ? this.showNodePool.pop() : null, this.renderLayer);
            } else {
              !itemCell.hasNoNode && this.recircleShowNode(itemCell.recircle());
            }

            return isShow;
          }
        }
        /**
         * 检查是否在屏幕内
         * @param node 
         * @returns 
         */


        checkInView(itemCell) {
          var nodeSides = getNodeBorder(itemCell, [true, true, true, true]); //节点右侧边缘在屏幕左侧外面或者节点左边缘在屏幕右侧外面 则不在显示区域

          var horizontalOutside = nodeSides.rightSide < this.viewSides.leftSide || nodeSides.leftSide > this.viewSides.rightSide;
          var verticalOutside = false;

          if (!horizontalOutside) {
            //节点上边缘在屏幕下方外面或者节点下边缘在屏幕上方外面 则不在显示区域
            verticalOutside = nodeSides.topSide < this.viewSides.bottomSide || nodeSides.bottomSide > this.viewSides.topSide;
          }

          return !horizontalOutside && !verticalOutside;
        }
        /**
         * 处理变化的大小
         * @param cell 
         * @param nodeSides 
         * @param changeSize 
         */


        dealChangeSize(cell, nodeSides, changeSize, time) {
          var _this3 = this;

          return _asyncToGenerator(function* () {
            if (time === void 0) {
              time = 0.3;
            }

            var topToBottomFulfill = _this3.contentUiTrans.anchorY == 1 && nodeSides.bottomSide >= _this3.viewSides.topSide;
            var bottomToTopFulfill = _this3.contentUiTrans.anchorY == 0 && nodeSides.topSide <= _this3.viewSides.bottomSide;

            if (topToBottomFulfill || bottomToTopFulfill) {
              if (topToBottomFulfill) {
                _this3.scrollView.content.position.add(v3(0, changeSize.height));
              } else {
                _this3.scrollView.content.position.subtract(v3(0, changeSize.height));
              }
            }

            var leftToRightFulfill = _this3.contentUiTrans.anchorX == 0 && nodeSides.rightSide <= _this3.viewSides.leftSide;
            var RightToLeftFulfill = _this3.contentUiTrans.anchorX == 1 && nodeSides.leftSide >= _this3.viewSides.rightSide;

            if (leftToRightFulfill || RightToLeftFulfill) {
              if (RightToLeftFulfill) {
                _this3.scrollView.content.position.add(v3(changeSize.width, 0));
              } else {
                _this3.scrollView.content.position.subtract(v3(changeSize.width, 0));
              }
            }

            if (!(topToBottomFulfill || bottomToTopFulfill || leftToRightFulfill || RightToLeftFulfill)) {
              Tween.stopAllByTarget(cell.node);
              yield new Promise((resolve, reject) => {
                tween(cell.uiTrans).to(time, {
                  width: cell.size.width,
                  height: cell.size.height
                }).call(() => {
                  resolve();
                }).start();
              });
            }

            _this3.updateNodes();

            return true;
          })();
        }
        /**
         * 回收显示节点
         * @param node 
         */


        recircleShowNode(node) {
          node && this.showNodePool.push(node);
        }
        /**
         * 释放当前列表
         */


        freeList() {
          this.scrollView.node.off("scrolling", this.scrollingListener);

          for (var i = 0, len = this.itemCells.length; i < len; ++i) {
            this.recircleShowNode(this.itemCells[i].recircle());
            this.itemCells[i].destroy();
          }

          this.itemCells = [];

          for (var index = 0, _len3 = this.showNodePool.length; index < _len3; ++index) {
            this.showNodePool[index].destroy();
          }

          this.showNodePool = [];
          this.renderLayer = null;
          this.scrollView = null;
          this.prefab = null;
        }

      });

      LoopList.insMap = new Map();

      _cclegacy._RF.pop();

      _crd = false;
    }
  };
});
//# sourceMappingURL=08ba4751e7c5800eec3c9b3663921ed7b92e974b.js.map