ivue-material-plus/dist/unplugin-vue-components/lib/components/ivue-table/table-layout-observer.js

A high quality UI components Library with Vue.js

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var vue = require('vue');
var error = require('../../utils/error.js');

function useLayoutObserver(root) {
  const vm = vue.getCurrentInstance();
  const tableLayout = vue.computed(() => {
    const layout = root.layout;
    if (!layout) {
      error.throwError("ivue-table", "Can not find table layout");
    }
    return layout;
  });
  const handleColumnsChange = (layout) => {
    var _a;
    const cols = ((_a = root.vnode.el) == null ? void 0 : _a.querySelectorAll("colgroup > col")) || [];
    if (!cols.length) {
      return;
    }
    const flattenColumns = layout.getFlattenColumns();
    const columnsMap = {};
    flattenColumns.forEach((column) => {
      columnsMap[column.id] = column;
    });
    for (let i = 0, j = cols.length; i < j; i++) {
      const col = cols[i];
      const name = col.getAttribute("name");
      const column = columnsMap[name];
      if (column) {
        col.setAttribute("width", column.columnWidth || column.width);
      }
    }
  };
  const handleScrollableWidthChange = (layout) => {
    var _a, _b;
    const cols = ((_a = root.vnode.el) == null ? void 0 : _a.querySelectorAll("colgroup > col[name=gutter]")) || [];
    for (let i = 0, j = cols.length; i < j; i++) {
      const col = cols[i];
      col.setAttribute(
        "width",
        layout.scrollY.value ? layout.gutterWidth : "0"
      );
    }
    const ths = ((_b = root.vnode.el) == null ? void 0 : _b.querySelectorAll("th.gutter")) || [];
    for (let i = 0, j = ths.length; i < j; i++) {
      const th = ths[i];
      th.style.width = layout.scrollY.value ? `${layout.gutterWidth}px` : "0";
      th.style.display = layout.scrollY.value ? "" : "none";
    }
  };
  vue.onBeforeMount(() => {
    tableLayout.value.addObserver(vm);
  });
  vue.onUnmounted(() => {
    tableLayout.value.removeObserver(vm);
  });
  vue.onMounted(() => {
    handleColumnsChange(tableLayout.value);
    handleScrollableWidthChange(tableLayout.value);
  });
  vue.onUpdated(() => {
    handleColumnsChange(tableLayout.value);
    handleScrollableWidthChange(tableLayout.value);
  });
  return {
    handleColumnsChange,
    handleScrollableWidthChange
  };
}

exports["default"] = useLayoutObserver;
//# sourceMappingURL=table-layout-observer.js.map