essa-platform / es-ng-antd

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build/Pagination/Pagination.js 7.72 KB
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  import template from "./Pagination.html";
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  import style from "antd/lib/pagination/style/index.css";
  angular.module("esNgAntd").directive("esPagination", function (esNgAntd) {
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      return {
          controllerAs: "esPagination",
          restrict: "E",
          transclude: true,
          replace: true,
          scope: {
              defaultCurrent: "@",
              current: "@",
              total: "@",
              defaultPageSize: "@",
              pageSize: "@",
              onChange: "&",
              onShowSizeChange: "&",
              showQuickJumper: "@",
              showSizeChanger: "@",
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              size: "@",
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              showTotal: "&",
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          },
          template: template,
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          controller: function ($scope, $element, $attrs) {
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              this.getContext = function () {
                  return $scope;
              };
  
              $scope.state = {
                  total: null,
                  current: null,
                  pageSize: null,
                  pageNum: null,
                  pageNumList: null,
              };
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              $scope.watch = {
                  total: function (newVal, oldVal) {
                      if (newVal && oldVal) {
                          $scope.state.total = Number(newVal);
                          $scope.state.pageNum = $scope.getPageNum();
                          $scope.state.pageNumList = $scope.getPageNumList();
                      }
                  },
              };
  
              for (const key in $scope.watch) {
                  $scope.$watch(key, $scope.watch[key], true);
              }
  
              $scope.handleShowTotal = function () {
                  return $scope.showTotal({
                      total: $scope.state.total,
                  });
              };
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              $scope.getItemLinkClassName = function (value) {
                  if (typeof value === "number") {
                      return (
                          "ant-pagination-item" +
                          ($scope.state.current === value
                              ? " ant-pagination-item-active"
                              : "")
                      );
                  } else {
                      return "ant-pagination-jump-next ant-pagination-jump-next-custom-icon";
                  }
              };
  
              $scope.getPageNumList = function () {
                  let pageNumList = [$scope.state.current];
                  let pageNum = $scope.getPageNum();
  
                  if (pageNum <= 7 || $scope.state.current - 1 < 4) {
                      for (let i = $scope.state.current - 1; i > 0; i--) {
                          pageNumList.unshift(i);
                      }
                  } else {
                      let len =
                          $scope.state.current - 1 > 2
                              ? 2
                              : $scope.state.current - 1;
  
                      for (let i = 1; i <= len; i++) {
                          pageNumList.unshift($scope.state.current - i);
                      }
  
                      if ($scope.state.current - 2 > 2) {
                          pageNumList.unshift("prev");
                          pageNumList.unshift(1);
                      }
                  }
  
                  if (pageNum <= 7 || pageNum - $scope.state.current < 4) {
                      for (let i = $scope.state.current + 1; i <= pageNum; i++) {
                          pageNumList.push(i);
                      }
                  } else {
                      let limit =
                          3 - $scope.state.current > 0
                              ? 2 + (3 - $scope.state.current)
                              : 2;
                      let len =
                          pageNum - $scope.state.current > limit
                              ? limit
                              : pageNum - $scope.state.current;
  
                      for (let i = 1; i <= len; i++) {
                          pageNumList.push($scope.state.current + i);
                      }
  
                      if (pageNum - $scope.state.current > 2) {
                          pageNumList.push("next");
                          pageNumList.push(pageNum);
                      }
                  }
  
                  return pageNumList;
              };
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              $scope.getPageNum = function () {
                  return (
                      Math.ceil(
                          $scope.state.total /
                              ($scope.pageSize || $scope.defaultPageSize || 10)
                      ) || 1
                  );
              };
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              $scope.getPopupContainer = function () {
                  return $element[0].querySelector(".ant-pagination-options");
              };
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              $scope.handleNext = function () {
                  if ($scope.state.current === $scope.state.pageNum) {
                      return false;
                  }
  
                  $scope.handleClick(++$scope.state.current);
              };
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              $scope.handlePrev = function () {
                  if ($scope.state.current === 1) {
                      return false;
                  }
  
                  $scope.handleClick(--$scope.state.current);
              };
  
              $scope.handleClick = function (value) {
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                  if (value === "next") {
                      value = $scope.state.current + 5;
                  }
  
                  if (value === "prev") {
                      value = $scope.state.current - 5;
                  }
  
                  $scope.setCurrent($scope.getCurrent(value)); // 更新回调
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                  $scope.onChange({
                      page: $scope.state.current,
                      pageSize: $scope.state.pageSize,
                  });
              };
  
              $scope.handleChange = function () {
                  let current = $scope.state.current;
  
                  if ($scope.state.current > $scope.state.pageNum) {
                      current = $scope.state.pageNum;
                  } else if ($scope.state.current < 1) {
                      current = 1;
                  }
  
                  $scope.onChange({
                      page: current,
                      pageSize: $scope.state.pageSize,
                  });
              };
  
              $scope.handleSelectChange = function (value) {
                  $scope.state.current = 1;
                  $scope.state.pageSize = parseInt(value);
                  $scope.handleChange();
              };
  
              $scope.getCurrent = function (number) {
                  if (number > $scope.state.pageNum) {
                      return $scope.state.pageNum;
                  }
  
                  if (number < 1) {
                      return 1;
                  }
  
                  return parseInt(number);
              };
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              $scope.setCurrent = function (value) {
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                  if (!value) {
                      return;
                  }
  
                  $scope.state.current = $scope.getCurrent(value);
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                  $scope.state.pageNumList = $scope.getPageNumList();
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                  $scope.handleChange();
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              };
  
              $scope.handleBlur = function (event) {
                  $scope.setCurrent(event.target.value);
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                  event.target.value = null;
              };
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              $scope.onKeyPress = function (event) {
                  if (event.keyCode === 13 || event.keyCode === 32) {
                      $scope.setCurrent(event.target.value);
                      event.target.value = null;
                  }
              };
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          },
          link: function ($scope, $element, $attrs, $controllers, $transclude) {
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              esNgAntd.createStyle("ant-pagination", style);
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              $scope.state.total = Number($scope.total || 0);
              $scope.state.current = Number(
                  $scope.current || $scope.defaultCurrent || 1
              );
              $scope.state.pageSize =
                  $scope.pageSize || $scope.defaultPageSize || 10;
              $scope.state.pageNum = $scope.getPageNum();
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              $scope.state.pageNumList = $scope.getPageNumList();
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          },
      };
  });