element-plus
Version:
A Component Library for Vue 3
205 lines (200 loc) • 6.68 kB
JavaScript
;
Object.defineProperty(exports, '__esModule', { value: true });
var vue = require('vue');
var lodashUnified = require('lodash-unified');
var util = require('./util.js');
var shared = require('@vue/shared');
var core = require('@vueuse/core');
var types = require('../../../utils/types.js');
class TableLayout {
constructor(options) {
this.observers = [];
this.table = null;
this.store = null;
this.columns = [];
this.fit = true;
this.showHeader = true;
this.height = vue.ref(null);
this.scrollX = vue.ref(false);
this.scrollY = vue.ref(false);
this.bodyWidth = vue.ref(null);
this.fixedWidth = vue.ref(null);
this.rightFixedWidth = vue.ref(null);
this.gutterWidth = 0;
for (const name in options) {
if (shared.hasOwn(options, name)) {
if (vue.isRef(this[name])) {
this[name].value = options[name];
} else {
this[name] = options[name];
}
}
}
if (!this.table) {
throw new Error("Table is required for Table Layout");
}
if (!this.store) {
throw new Error("Store is required for Table Layout");
}
}
updateScrollY() {
const height = this.height.value;
if (lodashUnified.isNull(height))
return false;
const scrollBarRef = this.table.refs.scrollBarRef;
if (this.table.vnode.el && (scrollBarRef == null ? void 0 : scrollBarRef.wrapRef)) {
let scrollY = true;
const prevScrollY = this.scrollY.value;
scrollY = scrollBarRef.wrapRef.scrollHeight > scrollBarRef.wrapRef.clientHeight;
this.scrollY.value = scrollY;
return prevScrollY !== scrollY;
}
return false;
}
setHeight(value, prop = "height") {
if (!core.isClient)
return;
const el = this.table.vnode.el;
value = util.parseHeight(value);
this.height.value = Number(value);
if (!el && (value || value === 0))
return vue.nextTick(() => this.setHeight(value, prop));
if (types.isNumber(value)) {
el.style[prop] = `${value}px`;
this.updateElsHeight();
} else if (shared.isString(value)) {
el.style[prop] = value;
this.updateElsHeight();
}
}
setMaxHeight(value) {
this.setHeight(value, "max-height");
}
getFlattenColumns() {
const flattenColumns = [];
const columns = this.table.store.states.columns.value;
columns.forEach((column) => {
if (column.isColumnGroup) {
flattenColumns.push.apply(flattenColumns, column.columns);
} else {
flattenColumns.push(column);
}
});
return flattenColumns;
}
updateElsHeight() {
this.updateScrollY();
this.notifyObservers("scrollable");
}
headerDisplayNone(elm) {
if (!elm)
return true;
let headerChild = elm;
while (headerChild.tagName !== "DIV") {
if (getComputedStyle(headerChild).display === "none") {
return true;
}
headerChild = headerChild.parentElement;
}
return false;
}
updateColumnsWidth() {
if (!core.isClient)
return;
const fit = this.fit;
const bodyWidth = this.table.vnode.el.clientWidth;
let bodyMinWidth = 0;
const flattenColumns = this.getFlattenColumns();
const flexColumns = flattenColumns.filter((column) => !types.isNumber(column.width));
flattenColumns.forEach((column) => {
if (types.isNumber(column.width) && column.realWidth)
column.realWidth = null;
});
if (flexColumns.length > 0 && fit) {
flattenColumns.forEach((column) => {
bodyMinWidth += Number(column.width || column.minWidth || 80);
});
if (bodyMinWidth <= bodyWidth) {
this.scrollX.value = false;
const totalFlexWidth = bodyWidth - bodyMinWidth;
if (flexColumns.length === 1) {
flexColumns[0].realWidth = Number(flexColumns[0].minWidth || 80) + totalFlexWidth;
} else {
const allColumnsWidth = flexColumns.reduce((prev, column) => prev + Number(column.minWidth || 80), 0);
const flexWidthPerPixel = totalFlexWidth / allColumnsWidth;
let noneFirstWidth = 0;
flexColumns.forEach((column, index) => {
if (index === 0)
return;
const flexWidth = Math.floor(Number(column.minWidth || 80) * flexWidthPerPixel);
noneFirstWidth += flexWidth;
column.realWidth = Number(column.minWidth || 80) + flexWidth;
});
flexColumns[0].realWidth = Number(flexColumns[0].minWidth || 80) + totalFlexWidth - noneFirstWidth;
}
} else {
this.scrollX.value = true;
flexColumns.forEach((column) => {
column.realWidth = Number(column.minWidth);
});
}
this.bodyWidth.value = Math.max(bodyMinWidth, bodyWidth);
this.table.state.resizeState.value.width = this.bodyWidth.value;
} else {
flattenColumns.forEach((column) => {
if (!column.width && !column.minWidth) {
column.realWidth = 80;
} else {
column.realWidth = Number(column.width || column.minWidth);
}
bodyMinWidth += column.realWidth;
});
this.scrollX.value = bodyMinWidth > bodyWidth;
this.bodyWidth.value = bodyMinWidth;
}
const fixedColumns = this.store.states.fixedColumns.value;
if (fixedColumns.length > 0) {
let fixedWidth = 0;
fixedColumns.forEach((column) => {
fixedWidth += Number(column.realWidth || column.width);
});
this.fixedWidth.value = fixedWidth;
}
const rightFixedColumns = this.store.states.rightFixedColumns.value;
if (rightFixedColumns.length > 0) {
let rightFixedWidth = 0;
rightFixedColumns.forEach((column) => {
rightFixedWidth += Number(column.realWidth || column.width);
});
this.rightFixedWidth.value = rightFixedWidth;
}
this.notifyObservers("columns");
}
addObserver(observer) {
this.observers.push(observer);
}
removeObserver(observer) {
const index = this.observers.indexOf(observer);
if (index !== -1) {
this.observers.splice(index, 1);
}
}
notifyObservers(event) {
const observers = this.observers;
observers.forEach((observer) => {
var _a, _b;
switch (event) {
case "columns":
(_a = observer.state) == null ? void 0 : _a.onColumnsChange(this);
break;
case "scrollable":
(_b = observer.state) == null ? void 0 : _b.onScrollableChange(this);
break;
default:
throw new Error(`Table Layout don't have event ${event}.`);
}
});
}
}
exports["default"] = TableLayout;
//# sourceMappingURL=table-layout.js.map