111 lines
3.3 KiB
Plaintext
111 lines
3.3 KiB
Plaintext
import Vue from 'vue';
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import loadingVue from './loading.vue';
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import { addClass, removeClass, getStyle } from 'element-ui/src/utils/dom';
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import { PopupManager } from 'element-ui/src/utils/popup';
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import afterLeave from 'element-ui/src/utils/after-leave';
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import merge from 'element-ui/src/utils/merge';
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const LoadingConstructor = Vue.extend(loadingVue);
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const defaults = {
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text: '拼命加载中',
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spinner: 'el-icon-loading',
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background: 'rgb(0, 0, 0, .3)',
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fullscreen: true,
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body: false,
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lock: false,
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customClass: ''
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};
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let fullscreenLoading;
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LoadingConstructor.prototype.originalPosition = '';
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LoadingConstructor.prototype.originalOverflow = '';
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LoadingConstructor.prototype.close = function() {
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if (this.fullscreen) {
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fullscreenLoading = undefined;
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}
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afterLeave(this, _ => {
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const target = this.fullscreen || this.body
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? document.body
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: this.target;
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removeClass(target, 'el-loading-parent--relative');
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removeClass(target, 'el-loading-parent--hidden');
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if (this.$el && this.$el.parentNode) {
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this.$el.parentNode.removeChild(this.$el);
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}
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this.$destroy();
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}, 300);
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this.visible = false;
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};
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const addStyle = (options, parent, instance) => {
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let maskStyle = {};
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if (options.fullscreen) {
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instance.originalPosition = getStyle(document.body, 'position');
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instance.originalOverflow = getStyle(document.body, 'overflow');
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maskStyle.zIndex = PopupManager.nextZIndex();
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} else if (options.body) {
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instance.originalPosition = getStyle(document.body, 'position');
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['top', 'left'].forEach(property => {
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let scroll = property === 'top' ? 'scrollTop' : 'scrollLeft';
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maskStyle[property] = options.target.getBoundingClientRect()[property] +
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document.body[scroll] +
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document.documentElement[scroll] +
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'px';
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});
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['height', 'width'].forEach(property => {
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maskStyle[property] = options.target.getBoundingClientRect()[property] + 'px';
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});
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} else {
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instance.originalPosition = getStyle(parent, 'position');
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}
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Object.keys(maskStyle).forEach(property => {
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instance.$el.style[property] = maskStyle[property];
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});
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};
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const Loading = (options = {}) => {
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if (Vue.prototype.$isServer) return;
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options = merge({}, defaults, {text: '拼命加载中',
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spinner: 'el-icon-loading',
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background: 'rgb(0, 0, 0, .3)',});
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if (typeof options.target === 'string') {
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options.target = document.querySelector(options.target);
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}
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options.target = options.target || document.body;
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if (options.target !== document.body) {
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options.fullscreen = false;
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} else {
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options.body = true;
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}
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if (options.fullscreen && fullscreenLoading) {
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return fullscreenLoading;
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}
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let parent = options.body ? document.body : options.target;
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let instance = new LoadingConstructor({
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el: document.createElement('div'),
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data: options
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});
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addStyle(options, parent, instance);
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if (instance.originalPosition !== 'absolute' && instance.originalPosition !== 'fixed') {
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addClass(parent, 'el-loading-parent--relative');
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}
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if (options.fullscreen && options.lock) {
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addClass(parent, 'el-loading-parent--hidden');
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}
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parent.appendChild(instance.$el);
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Vue.nextTick(() => {
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instance.visible = true;
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});
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if (options.fullscreen) {
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fullscreenLoading = instance;
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}
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return instance;
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};
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export default Loading;
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