ivue-material-plus
Version:
A high quality UI components Library with Vue.js
72 lines (69 loc) • 2.3 kB
JavaScript
import { getCurrentInstance, computed, onBeforeMount, onUnmounted, onMounted, onUpdated } from 'vue';
import { throwError } from '../../utils/error.mjs';
function useLayoutObserver(root) {
const vm = getCurrentInstance();
const tableLayout = computed(() => {
const layout = root.layout;
if (!layout) {
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";
}
};
onBeforeMount(() => {
tableLayout.value.addObserver(vm);
});
onUnmounted(() => {
tableLayout.value.removeObserver(vm);
});
onMounted(() => {
handleColumnsChange(tableLayout.value);
handleScrollableWidthChange(tableLayout.value);
});
onUpdated(() => {
handleColumnsChange(tableLayout.value);
handleScrollableWidthChange(tableLayout.value);
});
return {
handleColumnsChange,
handleScrollableWidthChange
};
}
export { useLayoutObserver as default };
//# sourceMappingURL=table-layout-observer.mjs.map