Files
smart-table/lib/core/fixed.js
2020-02-05 11:12:40 +08:00

82 lines
2.9 KiB
JavaScript

import {
cloneNode,
appendChild,
appendChildren,
createElement,
querySelectorAll
} from './node-ops';
import {
getIntByAttr,
createTableWrapper,
} from './utils';
export default function(vm, theadModel, tbodyModel) {
let rootMinWidth = 320;
const { fixedLeft, fixedRight } = vm.props;
//左边有固定列
if (fixedLeft.thead.length > 0) {
rootMinWidth = rootMinWidth > fixedLeft.width ? rootMinWidth : fixedLeft.width;
const headerWrapper = createHeaderWrapper(vm, theadModel, fixedLeft);
const bodyWrapper = createBodyWrapper(vm, tbodyModel, fixedLeft, 'left');
appendChild(vm.$root, createContainer(vm, headerWrapper, bodyWrapper, fixedLeft, 'stb_fixed', 'left'));
vm.$fixedLeft = bodyWrapper;
}
//右边有固定列
if (fixedRight.thead.length > 0) {
rootMinWidth = rootMinWidth + fixedRight.width;
const headerWrapper = createHeaderWrapper(vm, theadModel, fixedRight);
const bodyWrapper = createBodyWrapper(vm, tbodyModel, fixedRight, 'right');
appendChild(vm.$root, createContainer(vm, headerWrapper, bodyWrapper, fixedRight, 'stb_fixed-right', 'right'));
vm.$fixedRight = bodyWrapper;
if (vm.scrollY) {
let rightPatch = createElement("div", "stb_fixed-right-patch");
rightPatch.style.width = vm.gutterWidth + "px";
rightPatch.style.height = vm.size.theadHeight + "px";
appendChild(vm.$root, rightPatch)
}
}
vm.$root.style.minWidth = rootMinWidth + "px";
}
function createHeaderWrapper(vm, model, meta) {
let thead = cloneNode(model, true);
querySelectorAll(thead, "tr:first-child>th").forEach((column, index) => {
if (meta.thead.indexOf("field-" + index) === -1) {
column.classList.add('is-hidden')
}
})
return createTableWrapper("stb_fixed-header-wrapper", vm, "header", thead);
}
function createBodyWrapper(vm, model, meta, type) {
let tbody = cloneNode(model, true);
let rows = querySelectorAll(tbody, "tr");
rows.forEach(row => {
let offsetX = -1;
querySelectorAll(row, "td").forEach((column, index) => {
if (type === 'left') {
offsetX = index
} else {
offsetX += getIntByAttr(column, "colspan", 1);
}
if (meta.tbody.indexOf("field-" + offsetX) === -1) {
column.classList.add('is-hidden')
}
})
})
let bodyWrapper = createTableWrapper("stb_fixed-body-wrapper", vm, "body", tbody);
bodyWrapper.style.top = vm.size.theadHeight + "px";
bodyWrapper.style.height = (vm.size.tbodyWrapperHeight - (vm.scrollX ? vm.gutterWidth : 0)) + "px";
return bodyWrapper
}
function createContainer(vm, thead, tbody, meta, className, type) {
let fixedContainer = createElement("div", className);
type === 'right' && (fixedContainer.style.right = (vm.scrollY ? vm.gutterWidth : 0) + "px");
appendChildren(fixedContainer, [thead, tbody]);
fixedContainer.style.width = meta.width + "px";
fixedContainer.style.height = (vm.size.rootHeight - (vm.scrollX ? vm.gutterWidth : 0)) + "px";
return fixedContainer
}